The Honey Bee and Climate Change with Dr. Gloria DeGrandi-Hoffman (406)
How is a changing climate reshaping the way honey bee colonies grow, forage, and survive winter? Dr. Gloria DeGrandi-Hoffman returns to Beekeeping Today Podcast to discuss her new book, The Honey Bee and Climate Change, and what nearly four decades of honey bee research have taught her about the connections among climate, nutrition, Varroa, and colony survival.
Gloria explains how unusually warm fall and winter weather can keep bees flying later in the year, changing colony age structure while extending opportunities for Varroa mites to move among colonies. At the same time, heat and drought can alter flowering periods and reduce both the quantity and nutritional quality of pollen and nectar available to bees.
The conversation explores the annual nutritional cycle of the colony, the differences between summer and winter bees, and why fall pollen can be so important for successful overwintering. Gloria also discusses research into cold-storage overwintering as one possible response to increasingly unpredictable fall conditions.
Finally, Jeff, Becky, and Gloria look at what beekeepers can do now: improve access to diverse forage, monitor and control Varroa carefully, consider mite-resistant stock, and recognize that yesterday's reliable management calendar may not always fit tomorrow's conditions.
Websites from the episode and others we recommend:
- Gloria's book on Climate Change and Honey Bees at Amazon: https://amzn.to/3Vuipui
- Honey Bee Health Coalition: https://honeybeehealthcoalition.org
- Project Apis m. (PAm): https://www.projectapism.org
- The National Honey Board: https://honey.com
- Honey Bee Obscura Podcast: https://honeybeeobscura.com
Copyright © 2026 by Growing Planet Media, LLC
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Betterbee is the presenting sponsor of Beekeeping Today Podcast. Betterbee’s mission is to support every beekeeper with excellent customer service, continued education and quality equipment. From their colorful and informative catalog to their support of beekeeper educational activities, including this podcast series, Betterbee truly is Beekeepers Serving Beekeepers. See for yourself at www.betterbee.com
This episode is brought to you by Global Patties! Global offers a variety of standard and custom patties. Visit them today at http://globalpatties.com and let them know you appreciate them sponsoring this episode!
As a beekeeper, you want products that benefit you and your bees. When you choose Premier Bee Products, you choose hive components that are healthier for bees and more productive for you. Because we believe that in beekeeping, details make all the difference. Premier Bee Products: Better for bees. Better for beekeepers. Use promo code PODCAST for 10% off your next online order.
Thanks to Strong Microbials for their support of Beekeeping Today Podcast. Find out more about their line of probiotics in our Season 3, Episode 12 episode and from their website: https://www.strongmicrobials.com
HiveIQ is revolutionizing the way beekeepers manage their colonies with innovative, insulated hive systems designed for maximum colony health and efficiency. Their hives maintain stable temperatures year-round, reduce stress on the bees, and are built to last using durable, lightweight materials. Whether you’re managing two hives or two hundred, HiveIQ’s smart design helps your bees thrive while saving you time and effort. Learn more at HiveIQ.com.

We’d like to thank Vita Bee Health for supporting the podcast. Vita provides proven tools for controlling Varroa—from Apistan and Apiguard to the new VarroxSan extended-release oxalic acid strips—helping beekeepers keep stronger, healthier colonies.
Thanks for Northern Bee Books for their support. Northern Bee Books is the publisher of bee books available worldwide from their website or from Amazon and bookstores everywhere. They are also the publishers of The Beekeepers Quarterly and Natural Bee Husbandry.

Thanks to Bee Culture, the Magazine of American Beekeeping, for their support of Honey Bee Obscura. Available in print and digital at www.beeculture.com
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We hope you enjoy this podcast and welcome your questions and comments in the show notes of this episode or: questions@beekeepingtodaypodcast.com
Thank you for listening!
Podcast music: Be Strong by Young Presidents; Epilogue by Musicalman; Faraday by BeGun; Walking in Paris by Studio Le Bus; A Fresh New Start by Pete Morse; Wedding Day by Boomer; Christmas Avenue by Immersive Music; Red Jack Blues by Daniel Hart; Bolero de la Fontero by Rimsky Music; Perfect Sky by Graceful Movement; I'm Not Running Away This Time by Max Brodie; Original guitar background instrumental by Jeff Ott.
Beekeeping Today Podcast is an audio production of Growing Planet Media, LLC
** As an Amazon Associate, we may earn a commission from qualifying purchases
Copyright © 2026 by Growing Planet Media, LLC

00:00:00.640 --> 00:00:04.720
Hi, this is John and Corey Rose from Columbus, Ohio.
00:00:04.720 --> 00:00:06.160
Welcome to the Beekeeping Podcast.
00:00:06.320 --> 00:00:06.720
Beekeeping
00:00:06.880 --> 00:00:07.920
Today podcast.
00:00:07.920 --> 00:00:08.080
What
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she
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said.
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Welcome to Beekeeping Today podcast presented by Better
00:00:12.860 --> 00:00:13.420
Bee, your
00:00:13.580 --> 00:00:16.939
source for beekeeping news, information, and entertainment.
00:00:16.939 --> 00:00:18.140
I'm Jeff Ott.
00:00:18.140 --> 00:00:19.660
And I'm Becky Masterman.
00:00:19.660 --> 00:00:23.580
Today's episode is brought to you by the bee nutrition superheroes at Global.
00:00:24.020 --> 00:00:32.099
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Picture this: strong colonies, booming brood, and honey flowing like a sweet river.
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Head over to www.
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globalpatties.
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com and give your bees the nutrition they deserve.
00:00:53.780 --> 00:00:55.300
Hey, a quick shout out to Better
00:00:55.460 --> 00:00:57.060
Bee and all of our sponsors
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whose support allows us to bring you this podcast each week without resorting to a fee-based subscription.
00:01:03.380 --> 00:01:06.100
We don't want that and we know you don't either.
00:01:06.100 --> 00:01:08.580
Be sure to check out all of our content on the website.
00:01:08.939 --> 00:01:09.579
website.
00:01:09.579 --> 00:01:20.619
There, you can read up on all of our guests, read our blog on the various aspects and observations about beekeeping, search for, download, and listen to over 300 past episodes, read episode
00:01:20.860 --> 00:01:23.659
transcripts, leave comments and feedback on each episode.
00:01:24.340 --> 00:01:27.619
and check on podcast specials from our sponsors.
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You can find it all at www.
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beekeepingtoday.
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com.
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Thank you, John and Corey, for that wonderful opening from the North American Honey Bee Expo.
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John
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Corey from Columbus, Ohio.
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That's a nice area, Becky.
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It is lovely.
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I did some
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of
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my
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research for my graduate school.
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work
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at the Ohio State University.
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So
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I was at the Rotten
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Bueller
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B
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lab
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way back
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in the Wayback Machine.
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But it was lovely then.
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Was it still a B
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lab
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then?
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It was 100% a bee lab
00:02:01.380 --> 00:02:01.860
then.
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Jim has
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said it's no longer dedicated to bees.
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It still has the name, but it's not dedicated to bees.
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Yeah, yeah.
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Oh, for sure it was a bee lab
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then.
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It had a bee Lab
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professor and
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graduate students and postdocs.
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It was it was very functional.
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It's teaming with bee people.
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Teaming with Bees and bee people.
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So
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wonderful.
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Yes
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I can't believe we're sitting in October.
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It seems like we were just, well, John and Corey are sitting there in January.
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We're sitting here in October.
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This year is
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zooming by.
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It is zooming by.
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The honey's pulled.
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It's being bottled
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as we speak, right?
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Yeah.
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Yeah.
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And we're planning for next year already.
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How was your honey production this year?
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Well honey production was great.
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Bees were great.
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I don't have a final number on
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anything.
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But
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I have a lot of honey, so
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it's
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it
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surpassed the year before, which is good.
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I can't really say
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on
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recorded lines how much honey I have, but I do have a lot.
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I'm in no danger of running out of honey.
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There are
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I'm not quite going to barrels yet, but boy do I have buckets.
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And
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Boy am I ready to go to space.
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How's your kitchen looking these days?
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Oh, luckily we have a shed for them.
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Oh very good.
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And I've got the lovely
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I love
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I've got the lovely bucket or the
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the honey incubator from Hillco.
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This is not a paid segment, but it's so nice to be able to let my buckets crystallize and then to be able to liquefy them using that incubator.
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How long have you found that it takes to liquefy
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semi-granular honey
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or
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It's a few days.
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So yeah, I think I'm not I'm not running it hot enough to get super fast
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results, but
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It's just lovely.
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It's uh
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it's part of my
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kitchen
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and so I'm able to
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to bottle I use
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to have to be really careful about bottling
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like gallon jugs or three pound jugs.
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And so now I can do that and if they start to granulate, I just
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I can put them in there
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and
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set
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it and not forget it, but just let it do its job.
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I think I might use it more than my stove.
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I don't know what that means.
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Well it's
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certain times of the year perhaps.
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I started
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long ago, years ago, I used to use the band heaters on the five gallon
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Buckets.
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And I found out that you can melt buckets with those bands.
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So it's
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sugar.
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So just
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not a good luck.
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Use them with caution.
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I like how precise the incubator is.
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I just it and the sizing of the fact that a bucket fits in that.
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When I saw that I knew that it was on my wish
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list
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and
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I'm not regretting that purchase one bit.
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Very good.
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John at Hilco, we'll be sending you a bill for that advertisement.
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I paid full price
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too.
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No.
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But that's the thing, is
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like there are things out there, Jeff, that you buy and they just
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they're life changers as far as how much
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I mean, I have a we could do a whole episode I think
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on them
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But it's just there are
00:05:01.440 --> 00:05:03.920
there are just pieces of equipment that just make
00:05:04.080 --> 00:05:05.200
beekeeping
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a little bit more
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manageable when you're when you're doing uh multiple tasks
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and
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you need
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I don't know.
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I
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I just I yeah, I can name a few hey, I think that's gonna be my next B
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Culture article, so we can't talk about it.
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'Cause I just
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I just thought of like five things in my head of things that I love.
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So I bet I could get five more.
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Anyway.
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You can read ahead.
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In a couple months, Becky's next issue
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in Bee Culture magazine, which is a fantastic magazine that you write for.
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Oh, isn't it perfect?
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Because it's going to be
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oh this is
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this is all working out perfectly for my
00:05:37.340 --> 00:05:38.460
for my writing career.
00:05:39.260 --> 00:05:40.940
A sneak peek to future
00:05:41.180 --> 00:05:42.540
future articles.
00:05:42.540 --> 00:05:45.020
Well speaking of warmth and heat
00:05:45.260 --> 00:05:46.300
and honey
00:05:46.820 --> 00:05:51.380
That leads us right to today's question from a listener for our Hive
00:05:51.540 --> 00:05:52.100
IQ
00:05:52.660 --> 00:05:53.140
tool
00:05:53.380 --> 00:05:53.700
question
00:05:53.860 --> 00:05:55.060
of the week.
00:05:55.060 --> 00:05:55.700
It is John
00:05:55.940 --> 00:05:56.740
Jensen.
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So thank you, John, for the question.
00:05:58.940 --> 00:05:59.100
John
00:05:59.260 --> 00:05:59.900
's a newer
00:06:00.060 --> 00:06:01.820
beekeeper, or he says
00:06:01.980 --> 00:06:04.780
fairly new, that could mean a lot of things, right?
00:06:04.780 --> 00:06:04.940
But
00:06:05.100 --> 00:06:05.420
newer
00:06:05.580 --> 00:06:11.100
beekeeper and he was wondering if we knew anything about the Varroa mite treatment that's called a B
00:06:11.420 --> 00:06:11.980
sauna
00:06:12.420 --> 00:06:15.060
And or if we could point him to anything.
00:06:15.060 --> 00:06:17.540
Oh, John, I'm gonna lecture.
00:06:17.540 --> 00:06:17.620
It
00:06:17.780 --> 00:06:19.140
I'll keep it brief.
00:06:19.460 --> 00:06:19.860
Maybe
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Jeff, you're nicer than I am.
00:06:21.780 --> 00:06:25.540
Maybe do you want to start this one out and then I'll just follow with a stern
00:06:26.120 --> 00:06:27.080
recommendation.
00:06:27.400 --> 00:06:31.720
If you've listened to the show enough, you know I like technology and I like gadgets.
00:06:31.720 --> 00:06:35.639
I'm always on the bleeding edge of things, but I would say
00:06:36.220 --> 00:06:36.460
that
00:06:36.780 --> 00:06:37.419
until
00:06:37.740 --> 00:06:38.380
there is
00:06:39.020 --> 00:06:39.340
more
00:06:39.979 --> 00:06:42.540
research into the use of the
00:06:42.780 --> 00:06:45.180
heating devices as claimed by the B
00:06:45.419 --> 00:06:47.180
sauna, then I would
00:06:47.360 --> 00:06:48.880
You know, use it at your own risk
00:06:49.120 --> 00:06:50.480
and I would be hesitant.
00:06:50.480 --> 00:06:52.240
I'd put my money into something else
00:06:52.400 --> 00:06:53.040
before I'd
00:06:53.200 --> 00:06:54.400
put money into that.
00:06:54.400 --> 00:06:54.800
Okay, well
00:06:55.040 --> 00:06:57.600
maybe I don't have to be the heavy on this one, really, Jeff.
00:06:57.600 --> 00:06:58.400
No, I'm kidding.
00:06:58.400 --> 00:06:59.520
Please go.
00:06:59.940 --> 00:07:00.340
Uh we
00:07:00.580 --> 00:07:03.460
really do point to the Honey Bee Health Coalition for
00:07:03.620 --> 00:07:04.660
for Varroa
00:07:05.140 --> 00:07:07.300
guidance for treatments.
00:07:07.300 --> 00:07:10.340
I think the concern is you don't want to hurt your bees.
00:07:10.340 --> 00:07:10.660
And
00:07:10.760 --> 00:07:13.640
And there are two things that could impact your bees.
00:07:13.640 --> 00:07:13.720
You
00:07:13.880 --> 00:07:17.480
if there's not a peer reviewed study on a technique, even though I
00:07:17.720 --> 00:07:18.360
understand
00:07:18.840 --> 00:07:22.760
heating of the bees is something that beekeepers have been working on for quite a long time.
00:07:22.760 --> 00:07:25.080
I know that at the University of Minnesota they were working on it.
00:07:25.080 --> 00:07:25.320
They did
00:07:25.480 --> 00:07:27.160
to get the Varroa down.
00:07:27.060 --> 00:07:28.340
They didn't quite get there.
00:07:28.340 --> 00:07:35.780
I'm worried about it hurting the bees or hurting the bees because you're putting a mitigation method out there that isn't effective.
00:07:35.780 --> 00:07:36.340
And so
00:07:36.500 --> 00:07:38.419
I just think we need to be careful.
00:07:38.419 --> 00:07:40.099
Sometimes we don't understand.
00:07:40.099 --> 00:07:41.379
Remember our conversation with
00:07:41.620 --> 00:07:43.300
our USDA team and
00:07:43.460 --> 00:07:44.020
Tucson
00:07:44.180 --> 00:07:45.060
where they were talking about
00:07:45.220 --> 00:07:47.940
the impacts of nutrition, you could follow it two down
00:07:48.099 --> 00:07:49.220
two months down the road.
00:07:49.220 --> 00:07:51.300
You have to or you have to go back two months to
00:07:51.460 --> 00:07:51.699
to
00:07:51.940 --> 00:07:54.900
understand what impact nutrition had on the colony.
00:07:54.900 --> 00:07:57.940
Same thing for some of these treatments, is that the reason why
00:07:57.760 --> 00:08:02.240
or an actual study is really nice that follows a colony longitudinally
00:08:02.400 --> 00:08:04.320
to see what the impact is, is because
00:08:04.560 --> 00:08:05.840
it could impact
00:08:06.060 --> 00:08:10.060
a physiology of the nurse bees and you could end up with
00:08:10.380 --> 00:08:15.419
worker bees who might not be as robust as you need in order to get through a winter.
00:08:15.419 --> 00:08:16.620
I don't know that's true
00:08:16.780 --> 00:08:18.060
and but that's part of the problem
00:08:18.220 --> 00:08:19.979
is that if you don't know that
00:08:19.940 --> 00:08:23.300
that it's a hundred percent safe, not just right away, but long
00:08:23.460 --> 00:08:24.020
term.
00:08:24.020 --> 00:08:24.420
I
00:08:24.660 --> 00:08:24.980
I think
00:08:25.140 --> 00:08:26.900
exercising caution is a good idea.
00:08:26.900 --> 00:08:28.260
And when you say longitudinal
00:08:28.420 --> 00:08:29.620
study, what does that mean?
00:08:29.620 --> 00:08:31.060
Over a period of time?
00:08:30.760 --> 00:08:32.760
So you're going over a period of time.
00:08:32.760 --> 00:08:34.760
So a lot of a lot of studies will
00:08:35.080 --> 00:08:35.640
look at
00:08:36.120 --> 00:08:36.680
colonies
00:08:36.840 --> 00:08:37.800
and you
00:08:38.039 --> 00:08:38.840
you might
00:08:39.279 --> 00:08:39.519
look
00:08:39.760 --> 00:08:43.680
at a treatment but then follow it for a while and f and
00:08:44.000 --> 00:08:44.320
see
00:08:44.480 --> 00:08:45.040
what the long
00:08:45.200 --> 00:08:47.200
term impacts were of that treatment.
00:08:47.200 --> 00:08:48.959
And one last thing I'd say about this
00:08:49.200 --> 00:08:52.000
is that the time it takes to treat a colony
00:08:52.259 --> 00:08:53.940
If you had multiple colonies, it
00:08:54.100 --> 00:08:54.339
just
00:08:54.500 --> 00:08:54.819
time
00:08:54.980 --> 00:08:55.940
prohibited.
00:08:55.940 --> 00:08:56.660
It's just
00:08:57.139 --> 00:08:58.660
it'd take too long to do a c
00:08:58.980 --> 00:09:00.100
a yard of bees, uh
00:09:00.259 --> 00:09:01.459
heating them up like that.
00:09:01.459 --> 00:09:01.779
So
00:09:01.959 --> 00:09:03.720
And I'm just gonna say one more thing.
00:09:03.720 --> 00:09:05.000
If there's a study out there
00:09:05.160 --> 00:09:07.640
or they're going to do a study, fantastic.
00:09:07.640 --> 00:09:10.200
We need more ways to mitigate mite levels.
00:09:10.200 --> 00:09:10.519
So
00:09:10.500 --> 00:09:12.580
So I'm all for it being effective
00:09:12.740 --> 00:09:15.700
and maybe they're right now looking at a SAR
00:09:15.860 --> 00:09:17.860
grant for funding to study it, but
00:09:18.020 --> 00:09:19.380
so I'm all about
00:09:19.720 --> 00:09:24.920
looking at those methods because we need fewer chemicals in the colony too, but it's a little confusing
00:09:25.080 --> 00:09:26.360
to know what to do.
00:09:26.440 --> 00:09:27.960
Thank you, John, for that question.
00:09:27.960 --> 00:09:30.760
Sorry we didn't have a glowing answer and sorry, B
00:09:30.920 --> 00:09:31.160
sauna
00:09:31.400 --> 00:09:32.760
folks, for the non
00:09:33.040 --> 00:09:34.880
supporting answer, but um
00:09:35.040 --> 00:09:40.320
you know, I think it's important to realize the limitations of some new things that come out in the market.
00:09:40.320 --> 00:09:41.519
And thanks for trying
00:09:41.680 --> 00:09:46.320
and I'm hoping that there's some good data coming out soon
00:09:46.459 --> 00:09:50.700
But get on to the Honey Bee Health Coalition's Varroa Management Guide
00:09:50.860 --> 00:09:57.899
if you want to look at the different kinds of controls out there and then their efficacy levels.
00:09:57.740 --> 00:09:58.780
I probably have
00:09:58.940 --> 00:10:02.220
Honey Bee Health Coalition tattooed on my forehead because I t
00:10:02.380 --> 00:10:03.900
I refer to it all the time.
00:10:03.900 --> 00:10:08.220
The nutrition guide, the Varroa Management Guide, I feel like we really are.
00:10:08.040 --> 00:10:08.680
We're really
00:10:08.839 --> 00:10:09.640
we're repping
00:10:09.800 --> 00:10:10.279
them.
00:10:10.920 --> 00:10:11.959
Well, we're fortunate that there
00:10:12.120 --> 00:10:13.480
that work is out there and available
00:10:13.640 --> 00:10:14.839
freely available.
00:10:14.839 --> 00:10:15.320
So uh
00:10:15.480 --> 00:10:15.800
folks
00:10:15.959 --> 00:10:16.200
and
00:10:16.280 --> 00:10:17.720
Honey Bee Health Coalition.
00:10:17.720 --> 00:10:20.440
Speaking of research, and you mentioned Tucson
00:10:20.600 --> 00:10:22.120
a couple weeks ago we had the Tucson
00:10:22.280 --> 00:10:23.080
lab on.
00:10:23.080 --> 00:10:26.920
We have the former research director for the Tucson
00:10:27.160 --> 00:10:27.560
lab.
00:10:27.740 --> 00:10:29.340
Up next is a guest, Dr.
00:10:29.340 --> 00:10:30.220
Gloria de Grande
00:10:30.380 --> 00:10:31.180
Hoffman.
00:10:31.180 --> 00:10:35.180
We're going to talk about her new book, Climate Change and honey bees
00:10:36.580 --> 00:10:36.899
For
00:10:37.140 --> 00:10:48.339
more than 45 years, Betterbee has proudly supported beekeepers by offering high-quality, innovative products, providing outstanding customer service.
00:10:48.339 --> 00:10:50.260
Many of our staff are beekeepers themselves.
00:10:50.459 --> 00:10:51.899
themselves, and
00:10:52.060 --> 00:10:55.820
sharing education to help beekeepers succeed.
00:10:55.820 --> 00:10:58.620
Based in Greenwich, New York, Better
00:10:58.779 --> 00:11:02.540
Bee serves beekeepers all across the United States.
00:11:02.540 --> 00:11:05.019
Whether you're just getting started or
00:11:05.540 --> 00:11:10.580
a seasoned pro, Betterbee has the products and experience to help you
00:11:10.899 --> 00:11:11.940
and your bees
00:11:12.100 --> 00:11:13.220
succeed.
00:11:13.220 --> 00:11:15.060
Visit betterbee.
00:11:15.060 --> 00:11:15.380
com
00:11:15.700 --> 00:11:17.779
or call 1-800
00:11:17.940 --> 00:11:20.180
-632-336.
00:11:25.260 --> 00:11:26.779
Hey everybody, welcome back.
00:11:26.779 --> 00:11:31.100
Sitting around this great big virtual beekeeping today podcast table.
00:11:31.100 --> 00:11:31.740
We have
00:11:31.900 --> 00:11:32.300
Dr.
00:11:32.300 --> 00:11:32.540
Gloria
00:11:32.700 --> 00:11:35.180
DeGrandi-Hoffman in Tucson, Arizona.
00:11:35.180 --> 00:11:36.140
Becky's in St.
00:11:36.140 --> 00:11:36.940
Paul, Minnesota.
00:11:36.940 --> 00:11:38.460
I'm here in Olympia.
00:11:38.460 --> 00:11:41.500
Gloria, welcome back to the podcast.
00:11:41.500 --> 00:11:43.900
Thank you for asking me to come back.
00:11:43.839 --> 00:11:44.880
Oh, you have
00:11:45.199 --> 00:11:47.440
so much great information to share.
00:11:47.440 --> 00:11:48.639
So we are delighted.
00:11:48.639 --> 00:11:49.600
Hopefully this you'll
00:11:49.759 --> 00:11:52.560
it well we won't have such a big gap in between visits this
00:11:53.020 --> 00:11:54.460
Between this time and the next.
00:11:54.780 --> 00:11:58.620
Yeah, last time you were on it was back in September of 2021.
00:11:58.620 --> 00:11:59.100
We're just
00:11:59.260 --> 00:12:00.620
were we still in COVID then?
00:12:00.620 --> 00:12:01.020
I don't know.
00:12:01.020 --> 00:12:01.980
The things were really just
00:12:02.140 --> 00:12:03.500
everything was all over the place.
00:12:03.500 --> 00:12:05.180
You were still at the bee Lab.
00:12:05.339 --> 00:12:05.740
Tucson
00:12:05.899 --> 00:12:06.540
Bee Lab.
00:12:06.540 --> 00:12:13.100
For our listeners who don't know you and don't recognize your name, can you tell us a little bit about yourself and how you got started with bees
00:12:13.259 --> 00:12:13.579
and
00:12:13.740 --> 00:12:15.660
what led you to today?
00:12:15.440 --> 00:12:16.560
All in two minutes.
00:12:16.880 --> 00:12:17.200
I was gonna
00:12:17.440 --> 00:12:17.600
cover
00:12:18.560 --> 00:12:20.960
I'll give you the elevator talk of my life.
00:12:20.960 --> 00:12:22.880
That's not a problem.
00:12:22.880 --> 00:12:23.120
I w
00:12:23.280 --> 00:12:24.800
I was uh born in
00:12:25.200 --> 00:12:25.440
uh
00:12:25.600 --> 00:12:25.760
uh
00:12:25.920 --> 00:12:28.640
outside of Harrisburg, Pennsylvania
00:12:28.560 --> 00:12:31.680
So I'm an East Coast transplant out here to the west.
00:12:31.680 --> 00:12:33.360
Like everyone in my family
00:12:33.520 --> 00:12:35.520
and actually, you know, my husband's as well.
00:12:35.520 --> 00:12:36.160
We're all Penn
00:12:36.280 --> 00:12:36.760
Penn Stater.
00:12:36.760 --> 00:12:37.720
So I went to Penn State
00:12:37.880 --> 00:12:40.520
and majored in biology and you know even as a
00:12:40.680 --> 00:12:41.240
as a you know
00:12:41.400 --> 00:12:43.560
little kid, I li I really liked insects.
00:12:43.560 --> 00:12:45.640
My parents moved when I was little
00:12:45.800 --> 00:12:46.280
to uh
00:12:46.440 --> 00:12:47.800
out of the city
00:12:47.660 --> 00:12:51.740
and into the suburbs that were actually farm area back in those days.
00:12:51.740 --> 00:12:54.060
And they were breaking them up and building subdivisions.
00:12:54.060 --> 00:12:54.220
This is
00:12:54.380 --> 00:12:55.420
in the sixties, you know.
00:12:55.500 --> 00:12:56.460
A lot of that was going on
00:12:56.800 --> 00:12:56.959
So
00:12:57.120 --> 00:12:59.680
there are fields everywhere and insects everywhere
00:12:59.920 --> 00:13:02.640
and uh I like to be outdoors and uh you know
00:13:02.880 --> 00:13:03.120
love
00:13:03.279 --> 00:13:04.959
the insects, watching them.
00:13:04.959 --> 00:13:07.760
So I went to Penn State, majored in biology
00:13:07.920 --> 00:13:08.480
and then
00:13:08.920 --> 00:13:12.360
got a master's there in entomology, got a PhD
00:13:12.600 --> 00:13:13.160
in um
00:13:13.399 --> 00:13:15.880
entomology from Michigan State afterwards.
00:13:15.880 --> 00:13:16.279
And so
00:13:16.600 --> 00:13:19.880
very fortunate to, you know, be educated at land
00:13:20.040 --> 00:13:21.720
grant universities, pioneer land
00:13:21.880 --> 00:13:23.079
grant universities.
00:13:23.079 --> 00:13:23.480
Uh
00:13:23.459 --> 00:13:23.540
which
00:13:23.700 --> 00:13:26.899
matched my, you know, passion for agriculture and
00:13:27.060 --> 00:13:27.380
got
00:13:27.540 --> 00:13:32.180
great education at both places, had tremendous advisors, uh Claire Collison
00:13:32.420 --> 00:13:35.459
over at Penn State and uh Roger Hooping Gardner
00:13:35.620 --> 00:13:37.220
at Michigan State
00:13:37.040 --> 00:13:37.279
So
00:13:37.519 --> 00:13:38.160
from uh
00:13:38.399 --> 00:13:39.040
there, uh
00:13:39.200 --> 00:13:42.959
when I went, you know, back to get my masters and PhD and everything
00:13:43.120 --> 00:13:44.800
I got interested in honey bees
00:13:44.759 --> 00:13:45.800
and just, you know, have
00:13:45.959 --> 00:13:46.040
have
00:13:46.199 --> 00:13:47.639
never lost my fascination.
00:13:47.639 --> 00:13:48.920
I love all insects.
00:13:48.920 --> 00:13:50.839
I think all of them are fascinating.
00:13:50.839 --> 00:13:54.519
But honey bees are just, you know, amazing and so
00:13:54.700 --> 00:13:55.180
And it would
00:13:55.340 --> 00:13:57.660
and it enabled me to fuse also another interest
00:13:57.820 --> 00:13:59.260
I have in mathematics.
00:13:59.260 --> 00:14:00.220
I like uh
00:14:00.540 --> 00:14:01.020
to uh
00:14:01.180 --> 00:14:03.100
build mathematical models
00:14:03.040 --> 00:14:03.839
to explain things.
00:14:04.000 --> 00:14:06.880
Uh I'm not a reductionist, I'm kinda holistic.
00:14:06.880 --> 00:14:10.080
I want to see the whole system and figure out how it works.
00:14:10.080 --> 00:14:10.640
And so
00:14:10.839 --> 00:14:13.800
Bees and colonies really lend themselves to that.
00:14:13.800 --> 00:14:14.120
You can
00:14:14.360 --> 00:14:16.839
you know you can do a lot of fun math with them.
00:14:16.839 --> 00:14:19.560
So anyway, I got this job over at the Tucson
00:14:19.800 --> 00:14:20.360
Bee Lab
00:14:20.740 --> 00:14:22.740
Which was a dream job for me
00:14:22.900 --> 00:14:26.500
and spent my entire career there, thirty-nine years, at the Tucson
00:14:26.660 --> 00:14:27.300
B Lap.
00:14:27.300 --> 00:14:27.460
Loved
00:14:27.700 --> 00:14:28.420
loved it.
00:14:28.420 --> 00:14:30.100
Absolutely loved being a you know, a
00:14:30.340 --> 00:14:31.140
public servant
00:14:31.300 --> 00:14:31.940
and
00:14:32.140 --> 00:14:39.820
federal employee and working with the beekeeping community, agricultural community, and some of the best scientists on the planet
00:14:39.759 --> 00:14:43.199
Especially working with bees at ARS labs.
00:14:43.360 --> 00:14:45.759
We've definitely enjoyed the staff at the B
00:14:45.920 --> 00:14:46.160
Lab
00:14:46.399 --> 00:14:47.440
this year with Dr.
00:14:47.440 --> 00:14:47.920
Vanessa
00:14:48.160 --> 00:14:48.399
Colby
00:14:48.560 --> 00:14:50.399
Harris and Mark and Kirk.
00:14:50.399 --> 00:14:51.759
We've done a full B
00:14:52.000 --> 00:14:52.160
lab
00:14:55.620 --> 00:14:56.900
As we should.
00:14:57.380 --> 00:14:59.140
It's been a long time since you've been on.
00:14:59.140 --> 00:14:59.460
It's been
00:14:59.700 --> 00:15:00.260
several years.
00:15:01.460 --> 00:15:01.940
But what
00:15:02.440 --> 00:15:06.280
Brought me to your attention was the announcement that you have a new book coming out.
00:15:06.280 --> 00:15:08.280
And I said, Well, gee many Christmas we have.
00:15:08.280 --> 00:15:10.280
It's been so long since we've talked to Gloria
00:15:10.259 --> 00:15:11.779
It's a good excuse to have you back.
00:15:11.779 --> 00:15:14.740
So tell us a little bit about the book you wrote.
00:15:14.740 --> 00:15:15.220
It's titled
00:15:15.380 --> 00:15:17.540
The honey bee and Climate Change.
00:15:17.540 --> 00:15:20.420
And that's such a intriguing title.
00:15:20.420 --> 00:15:20.660
So
00:15:20.819 --> 00:15:22.740
why did you choose that?
00:15:22.560 --> 00:15:25.360
Towards the end of my time at the uh Tucson
00:15:25.520 --> 00:15:27.520
bee lab, I became increasingly
00:15:27.680 --> 00:15:30.320
alarmed at how climate change was
00:15:31.020 --> 00:15:31.180
really
00:15:31.420 --> 00:15:32.300
undermining the suc
00:15:32.460 --> 00:15:36.540
success of beekeepers and the survival of colonies.
00:15:36.540 --> 00:15:38.940
The more I looked into it, the more
00:15:39.100 --> 00:15:40.620
I could see that this
00:15:41.260 --> 00:15:44.540
was affecting every aspect of beekeep
00:15:44.800 --> 00:15:45.040
and
00:15:45.280 --> 00:15:47.840
some directly, some indirectly.
00:15:47.840 --> 00:15:48.480
And uh
00:15:48.640 --> 00:15:48.960
the
00:15:49.200 --> 00:15:49.440
my
00:15:49.680 --> 00:15:52.400
you know, awakening started one uh
00:15:52.560 --> 00:15:54.000
winter day when uh
00:15:54.160 --> 00:15:59.200
actually it was Christmas and I was talking to my sister who lives in Pennsylvania
00:15:59.420 --> 00:16:01.980
You know, she said, Oh, I'm sitting out here on the porch.
00:16:01.980 --> 00:16:04.060
It's beautiful outside here today.
00:16:04.060 --> 00:16:05.660
This was Christmas Day.
00:16:05.660 --> 00:16:06.220
And
00:16:06.459 --> 00:16:08.459
she and her husband live on a farm.
00:16:08.459 --> 00:16:09.899
They have bees.
00:16:09.899 --> 00:16:10.540
And so
00:16:11.000 --> 00:16:11.800
I said, really?
00:16:11.800 --> 00:16:12.360
I said, well how
00:16:12.520 --> 00:16:13.320
how are your bees?
00:16:13.320 --> 00:16:17.560
You know, oh they're right up here on the porch with me, you know, drinking water and such.
00:16:17.560 --> 00:16:18.520
And it was like, oh
00:16:18.680 --> 00:16:20.120
man, they shouldn't be on the porch
00:16:20.459 --> 00:16:22.220
Celebrating Christmas with you.
00:16:22.220 --> 00:16:22.459
Uh
00:16:22.860 --> 00:16:23.820
opening presentation.
00:16:25.899 --> 00:16:26.940
Anyhow.
00:16:30.779 --> 00:16:32.940
And it you know, I mean
00:16:33.040 --> 00:16:33.279
So
00:16:33.440 --> 00:16:34.080
what I
00:16:34.399 --> 00:16:34.720
did
00:16:34.959 --> 00:16:40.160
is, you know, I build models, I build population dynamic models, honey bee colonies, and such like that.
00:16:40.160 --> 00:16:40.800
And I thought
00:16:41.040 --> 00:16:43.440
Gee, I wonder what these temperatures do to colony
00:16:43.680 --> 00:16:47.360
population dynamics when you have, you know, winter days like this.
00:16:47.360 --> 00:16:55.760
So I pulled up the model and I, you know, put in some weather that uh where it was like it was in Pennsylvania and then ran it out.
00:16:55.040 --> 00:16:55.200
into
00:16:55.360 --> 00:16:55.920
the spring.
00:16:55.920 --> 00:16:56.080
You know
00:16:56.240 --> 00:16:59.040
where I had bees flying in December and everything.
00:16:59.040 --> 00:17:04.400
And those colonies, when they went through spring dwindling, they crashed.
00:17:04.419 --> 00:17:08.419
And it was like, oh my God, you know, and I went back and did some other things with it.
00:17:08.419 --> 00:17:08.900
And it was,
00:17:09.059 --> 00:17:11.539
it didn't matter if they had mites, if they had
00:17:12.360 --> 00:17:13.240
Fed well, uh
00:17:13.480 --> 00:17:14.679
just that flying
00:17:14.839 --> 00:17:19.399
and that change in the age structure that foraging causes
00:17:19.799 --> 00:17:19.880
it
00:17:20.039 --> 00:17:20.199
yet
00:17:20.360 --> 00:17:21.480
going into winter
00:17:21.639 --> 00:17:23.639
was enough to crash a colony
00:17:24.360 --> 00:17:29.320
So I thought, well, you know, and at that time too, I was also working on Varroa
00:17:29.720 --> 00:17:36.760
and looking at, you know, migration of Varroa into colonies, which was occurring a lot in the fall.
00:17:36.540 --> 00:17:37.980
I thought if we have these Morm
00:17:38.140 --> 00:17:40.540
Falls, that extends the time that
00:17:40.780 --> 00:17:44.060
Varroa can be migrating into these colonies.
00:17:44.060 --> 00:17:44.380
And
00:17:45.460 --> 00:17:48.020
infesting them before they go into winter.
00:17:48.020 --> 00:17:49.860
So there's two things going on here.
00:17:49.860 --> 00:17:52.980
There's corrupting the age structure of a colony
00:17:53.140 --> 00:17:57.140
because bees are flying longer, and then also infesting them with Varroa.
00:17:57.140 --> 00:17:57.860
No wonder we can't
00:17:58.020 --> 00:17:59.780
overwinter colonies.
00:17:59.720 --> 00:18:03.880
I've cited that paper so many times when talking to beekeepers.
00:18:03.880 --> 00:18:09.080
So just so you know, and I think I've written about it in bee culture, it is such valuable work
00:18:09.320 --> 00:18:09.640
because
00:18:10.120 --> 00:18:10.440
We
00:18:10.760 --> 00:18:11.400
now know
00:18:11.720 --> 00:18:13.240
so much about Varroa
00:18:13.400 --> 00:18:15.240
because of some work that you've done
00:18:15.480 --> 00:18:18.600
on the migration and then also coupling that with
00:18:19.000 --> 00:18:19.640
climate.
00:18:19.640 --> 00:18:19.960
So
00:18:20.419 --> 00:18:21.380
Thank you.
00:18:21.380 --> 00:18:22.740
Thank you so much.
00:18:22.740 --> 00:18:23.700
You're welcome.
00:18:23.700 --> 00:18:24.660
I mean it just was
00:18:24.900 --> 00:18:24.980
well
00:18:25.140 --> 00:18:25.539
what el
00:18:25.780 --> 00:18:27.140
what else is going wrong here
00:18:27.299 --> 00:18:27.700
because of
00:18:28.020 --> 00:18:29.860
climate change?
00:18:29.860 --> 00:18:31.460
And so, you know, I started
00:18:31.860 --> 00:18:35.060
you know, first of all I started reading more about climate change,
00:18:35.220 --> 00:18:36.020
you know, how
00:18:36.260 --> 00:18:36.580
I mean
00:18:36.740 --> 00:18:38.980
that the planet is heating up.
00:18:38.740 --> 00:18:39.140
And it
00:18:39.380 --> 00:18:39.540
is
00:18:39.860 --> 00:18:40.260
causing
00:18:40.500 --> 00:18:44.580
increased frequencies of heat waves and droughts and such and
00:18:44.820 --> 00:18:46.980
just started looking into, you know, work on
00:18:47.140 --> 00:18:52.820
on how this was affecting the nutrients in nectar and pollen, how it's affected flowering.
00:18:52.640 --> 00:18:55.840
Because that landscape in the spring and summer is
00:18:56.080 --> 00:18:58.640
really a foundation for overwintering success.
00:18:58.960 --> 00:19:01.200
You need a lot of nutrients coming into your colony
00:19:01.440 --> 00:19:02.560
so your populations
00:19:02.720 --> 00:19:04.000
can build.
00:19:03.919 --> 00:19:04.240
And
00:19:04.400 --> 00:19:04.559
to
00:19:04.799 --> 00:19:09.280
to do that you need this supply of nectar and pollen that has the full complement
00:19:09.440 --> 00:19:11.039
of nutrients in it.
00:19:11.039 --> 00:19:16.240
And high heat and water stress compromises the nutrients in
00:19:16.559 --> 00:19:18.559
in pollen and nectar.
00:19:18.460 --> 00:19:23.340
it also reduces them in that plants don't flower very well when they're under heat
00:19:23.580 --> 00:19:25.180
and water stress.
00:19:25.180 --> 00:19:26.220
The other, you know
00:19:26.440 --> 00:19:26.600
part
00:19:26.840 --> 00:19:34.519
about it is that colonies not only need to grow and to get into winter, they need to grow big enough to make drones.
00:19:34.679 --> 00:19:35.000
And
00:19:35.159 --> 00:19:41.559
i if colonies are just limping by and not making drones, if a colony replaces its queen and has to open
00:19:41.720 --> 00:19:42.600
mate.
00:19:42.540 --> 00:19:45.180
It's gonna have a hard time doing that.
00:19:45.180 --> 00:19:45.500
So it
00:19:45.660 --> 00:19:46.940
it sort of hits a c
00:19:47.100 --> 00:19:47.900
hits the colonies
00:19:48.060 --> 00:19:49.180
kind of coming and going
00:19:49.580 --> 00:19:53.820
in that you know your colony's limping along and it's not strong enough to make drones
00:19:54.240 --> 00:19:59.840
If it loses its queen and makes a new one, the queen may not mate very well.
00:19:59.840 --> 00:20:04.400
And so putting all these things together, it's like, why aren't we talking about this?
00:20:04.320 --> 00:20:08.320
all the time, every day, and why don't we do something, you know, uh
00:20:08.560 --> 00:20:09.680
about this?
00:20:09.680 --> 00:20:10.640
And so when
00:20:10.800 --> 00:20:14.720
Elsevier approached me and said, you know, would you be interested in writing a book like this?
00:20:14.720 --> 00:20:16.960
I said, you know, can I can I do it on
00:20:17.340 --> 00:20:18.940
honey bees and climate change, they said
00:20:19.100 --> 00:20:20.780
yeah, sure that sounds good and that's
00:20:21.260 --> 00:20:21.980
When you were on
00:20:22.140 --> 00:20:23.580
with Kim and me
00:20:23.980 --> 00:20:25.419
five years ago
00:20:25.160 --> 00:20:30.920
It was the first time I think I heard and perhaps I might have heard it before, but it's the first time it really stuck with me
00:20:31.080 --> 00:20:31.560
that the
00:20:31.720 --> 00:20:35.880
nutritional composition of fall pollen is different from the spring pollen
00:20:36.040 --> 00:20:36.360
because
00:20:36.460 --> 00:20:41.340
We as beekeepers learn pollen is pollen and yes it's part of bee bread, bees need it
00:20:41.500 --> 00:20:41.820
an important
00:20:42.060 --> 00:20:44.220
nutritional component of their diet
00:20:44.240 --> 00:20:53.920
But to actually learn, well, yes, but you might want to store your fall pollen separate from your spring pollen and feed it at that time of year because of the nutritional component
00:20:54.080 --> 00:20:55.040
makeup of that.
00:20:55.200 --> 00:20:55.840
It's like
00:20:55.940 --> 00:20:59.220
I remember that was just a like a lightning bolt moment.
00:20:59.220 --> 00:21:00.740
And how does that
00:21:01.139 --> 00:21:01.860
I mean that
00:21:02.100 --> 00:21:06.019
obviously has to play into what you're saying on if the climate is changing
00:21:06.179 --> 00:21:06.500
as
00:21:06.820 --> 00:21:10.420
different areas experience the climate change differently and things are flowering
00:21:10.580 --> 00:21:11.940
or not flowering.
00:21:11.940 --> 00:21:13.380
Do you have any insight into that?
00:21:13.380 --> 00:21:13.940
I mean it's
00:21:14.260 --> 00:21:14.420
because
00:21:14.580 --> 00:21:14.980
it's so
00:21:15.140 --> 00:21:15.860
regional, right?
00:21:15.860 --> 00:21:17.460
That's so local, what
00:21:17.620 --> 00:21:19.060
may be blooming
00:21:19.500 --> 00:21:20.620
Mid-change.
00:21:20.620 --> 00:21:25.100
What's changing probably the most noticeable is when these fall flowers are blooming.
00:21:25.260 --> 00:21:26.780
They're blooming earlier
00:21:26.880 --> 00:21:27.760
and bees are
00:21:27.920 --> 00:21:29.440
are putting away this
00:21:29.680 --> 00:21:29.920
all
00:21:30.160 --> 00:21:30.640
pollen
00:21:30.800 --> 00:21:34.320
at a time when they're still rearing brood and they're you know
00:21:34.480 --> 00:21:36.000
still foraging.
00:21:36.019 --> 00:21:36.340
So
00:21:37.059 --> 00:21:43.460
they're using that pollen that should be stored in the colony to keep the colony active
00:21:44.100 --> 00:21:46.500
during these warm falls.
00:21:46.519 --> 00:21:46.840
So
00:21:47.000 --> 00:21:49.320
they're not putting away
00:21:49.639 --> 00:21:49.960
the
00:21:50.200 --> 00:21:54.120
pollen and the and the honey that they need to
00:21:54.440 --> 00:21:56.519
to get through the winter.
00:21:56.519 --> 00:21:56.679
That
00:21:56.840 --> 00:21:57.080
that's
00:21:57.480 --> 00:21:59.880
because they're flying too late into the year
00:22:00.120 --> 00:22:03.399
and using those nutrients as fuel.
00:22:03.399 --> 00:22:05.240
That's sort of the first thing.
00:22:05.400 --> 00:22:06.120
The second thing is
00:22:06.280 --> 00:22:06.760
if you get
00:22:06.920 --> 00:22:08.120
these warm, hot
00:22:08.360 --> 00:22:08.680
winter
00:22:08.920 --> 00:22:09.880
or summers like
00:22:10.200 --> 00:22:14.520
we've been getting, that affects the germination and growth of
00:22:14.840 --> 00:22:16.280
fall plants.
00:22:16.300 --> 00:22:18.300
And so the landscapes may
00:22:18.620 --> 00:22:18.860
in
00:22:19.100 --> 00:22:19.580
years
00:22:20.140 --> 00:22:20.700
subsequently
00:22:20.860 --> 00:22:25.180
warm, dry years, may not have large stands of fall flowers.
00:22:25.180 --> 00:22:26.060
And that again
00:22:26.300 --> 00:22:28.780
puts the nutritional stress on a colony
00:22:29.120 --> 00:22:29.280
that
00:22:29.440 --> 00:22:30.720
's trying to
00:22:31.040 --> 00:22:34.640
become as fit as possible to get through the winter.
00:22:34.640 --> 00:22:35.520
You know, and this
00:22:35.680 --> 00:22:37.360
and this is something that's you know
00:22:37.520 --> 00:22:38.320
affecting
00:22:38.560 --> 00:22:40.000
all kinds of animals
00:22:40.320 --> 00:22:41.920
that hibernate
00:22:41.840 --> 00:22:41.919
or
00:22:42.080 --> 00:22:42.320
go into
00:22:42.480 --> 00:22:43.280
diapause
00:22:43.679 --> 00:22:46.720
or, you know, overwinter like honey bees,
00:22:46.960 --> 00:22:48.880
is that the landscapes
00:22:49.200 --> 00:22:49.520
that
00:22:50.080 --> 00:22:50.400
had
00:22:50.640 --> 00:22:51.280
normally
00:22:51.440 --> 00:22:56.480
sustained them, supported those sort of overwintering strategies.
00:22:56.600 --> 00:22:56.760
have
00:22:57.080 --> 00:22:59.480
become less predictable.
00:22:59.480 --> 00:23:03.159
Some years they work great, but other years they don't work so great.
00:23:03.159 --> 00:23:05.720
And those years when they don't work so great
00:23:06.220 --> 00:23:06.380
are
00:23:06.540 --> 00:23:08.300
increasing in frequency.
00:23:08.380 --> 00:23:10.780
Who was your audience when you were writing?
00:23:10.780 --> 00:23:15.660
It seems like something that's going to be taught in college classes, but also
00:23:15.820 --> 00:23:16.780
a beekeeper
00:23:17.020 --> 00:23:20.620
is going to appreciate the information that you shared.
00:23:20.080 --> 00:23:21.840
Yeah, I wrote it for everybody.
00:23:21.840 --> 00:23:26.480
I hope that, you know, it will, you know, help people
00:23:26.800 --> 00:23:31.680
understand, first of all, you know, beekeepers, just what they're up against.
00:23:31.260 --> 00:23:31.419
And
00:23:31.580 --> 00:23:31.740
it's
00:23:31.900 --> 00:23:33.340
not like we have bad beekeepers.
00:23:33.340 --> 00:23:36.780
These beekeepers, you know, have been in many cases
00:23:37.100 --> 00:23:38.700
family operations
00:23:38.860 --> 00:23:39.179
You know,
00:23:39.340 --> 00:23:39.419
a
00:23:39.580 --> 00:23:41.980
and at that's one of the things that's actually I think
00:23:42.220 --> 00:23:45.179
very unique and endearing about the beekeeping industry
00:23:45.419 --> 00:23:50.460
is that these are passed down through generations and there's a history in them.
00:23:50.240 --> 00:23:52.080
And they have been successful
00:23:52.320 --> 00:23:52.960
and now
00:23:53.120 --> 00:23:54.480
they're they can't
00:23:54.640 --> 00:23:54.800
you
00:23:55.200 --> 00:23:55.520
be
00:23:55.840 --> 00:23:57.920
consistently successful
00:23:58.019 --> 00:23:58.340
And
00:23:58.659 --> 00:23:58.899
what
00:23:59.139 --> 00:24:00.899
what's changed is that, you know,
00:24:01.139 --> 00:24:02.100
beekeeping
00:24:02.419 --> 00:24:06.179
the practices and also selection of bees
00:24:06.419 --> 00:24:06.500
were
00:24:06.660 --> 00:24:10.340
made at a time when the when we had greater stability in
00:24:10.500 --> 00:24:12.500
in climate and in environment
00:24:12.660 --> 00:24:13.220
and now
00:24:13.460 --> 00:24:16.660
this generation of beekeepers is facing a different
00:24:17.280 --> 00:24:18.320
situation.
00:24:18.320 --> 00:24:18.640
So I
00:24:18.880 --> 00:24:18.960
for
00:24:19.200 --> 00:24:21.200
in terms of beekeepers, you know, th
00:24:21.520 --> 00:24:21.600
the
00:24:21.760 --> 00:24:26.000
the book I hope articulates the situation that they are facing
00:24:26.240 --> 00:24:29.440
and the changes that they're going to need to make.
00:24:29.040 --> 00:24:31.040
to try and keep their colonies alive because
00:24:31.200 --> 00:24:33.200
tried and true methods
00:24:33.360 --> 00:24:37.120
aren't going to work so well or so consistently anymore.
00:24:37.120 --> 00:24:37.600
But also
00:24:37.760 --> 00:24:39.040
the public in general
00:24:39.200 --> 00:24:39.920
to you know
00:24:40.080 --> 00:24:41.040
raise their you know
00:24:41.200 --> 00:24:42.480
consciousness about
00:24:43.200 --> 00:24:45.280
Climate change and also about honey bees.
00:24:45.280 --> 00:24:46.400
Everybody likes honey bees.
00:24:46.400 --> 00:24:47.760
Everybody wants to buy honey, but
00:24:48.000 --> 00:24:48.080
need
00:24:48.240 --> 00:24:48.320
to
00:24:48.480 --> 00:24:50.080
know that climate change in
00:24:50.240 --> 00:24:53.840
in addition to its effects on uh you know other animals
00:24:55.200 --> 00:24:56.240
to honey bees
00:24:56.179 --> 00:24:58.820
and pollinators in general.
00:24:58.820 --> 00:25:00.100
And they need to know that.
00:25:00.100 --> 00:25:01.780
I hope policymakers
00:25:01.940 --> 00:25:02.260
too
00:25:02.500 --> 00:25:04.340
that realize that, you know, this
00:25:04.980 --> 00:25:06.900
natural resource that we have
00:25:07.060 --> 00:25:10.340
of honey bees and pollinators that's essential for agriculture
00:25:10.500 --> 00:25:10.660
is
00:25:10.820 --> 00:25:16.660
in peril because of climate change and we need to talk about this and find solutions for this
00:25:16.900 --> 00:25:19.460
sooner rather than later.
00:25:18.919 --> 00:25:21.320
Seems like it's complicated more
00:25:21.640 --> 00:25:25.000
by the fact that we have less habitat now
00:25:25.160 --> 00:25:25.799
too.
00:25:25.799 --> 00:25:29.320
So not only is it changing, there's less of it available
00:25:29.480 --> 00:25:31.080
at the same time it's changing.
00:25:31.080 --> 00:25:31.240
So
00:25:31.400 --> 00:25:32.039
you have this
00:25:32.260 --> 00:25:35.780
That's why the mathematical model probably works because it's so complicated.
00:25:35.780 --> 00:25:36.740
It's not a single
00:25:36.900 --> 00:25:40.500
we're always looking for a single cause and effect, but it's not.
00:25:40.500 --> 00:25:41.460
It's just a
00:25:41.640 --> 00:25:47.480
avalanche of problems facing the industry or facing beekeepers and honey bees and all pollinators, as you point out.
00:25:53.560 --> 00:25:56.280
and predict which way a colony is going
00:25:56.680 --> 00:25:58.120
months before it
00:25:58.440 --> 00:25:58.920
you know
00:25:59.160 --> 00:25:59.880
either
00:26:00.040 --> 00:26:01.160
grows or
00:26:01.320 --> 00:26:03.960
or before it crashes, you know.
00:26:03.960 --> 00:26:06.760
And what you say about, you know, landscapes
00:26:06.740 --> 00:26:07.780
I mean that's I think
00:26:07.940 --> 00:26:11.860
key to our success in helping the beekeeping industry is
00:26:12.020 --> 00:26:13.700
to open more lands and it
00:26:13.940 --> 00:26:16.260
to honey bee colonies and
00:26:16.640 --> 00:26:26.560
you know, places where beekeepers can put their colonies, safe places where they're, you know, not going to be exposed to pesticides and where there's, you know, flowering
00:26:26.800 --> 00:26:27.840
plants.
00:26:27.820 --> 00:26:30.220
that go from spring until the fall
00:26:30.460 --> 00:26:31.260
and uh you know
00:26:31.420 --> 00:26:34.140
have a commitment to preparing those lance
00:26:34.300 --> 00:26:34.700
and they
00:26:34.860 --> 00:26:34.940
say
00:26:35.100 --> 00:26:37.180
opening them up to beekeepers
00:26:37.260 --> 00:26:44.940
Hey, let's take this opportunity to take a quick break and we'll be right back after these words from our sponsors.
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Welcome back, everybody.
00:28:17.160 --> 00:28:18.680
Gloria, part
00:28:19.000 --> 00:28:19.320
of
00:28:19.640 --> 00:28:21.640
what you're talking about is
00:28:22.120 --> 00:28:24.600
potentially a change in how beekeeping
00:28:24.840 --> 00:28:28.040
the beekeeping industry manages colonies across the country
00:28:28.280 --> 00:28:31.640
and specifically commercial beekeepers.
00:28:31.340 --> 00:28:32.620
Have you had conversations
00:28:32.780 --> 00:28:34.940
or do you have insights into how
00:28:35.260 --> 00:28:38.140
the current system might need to shift?
00:28:38.299 --> 00:28:41.580
The area that I that I know the most about is overwintering and
00:28:41.820 --> 00:28:43.660
I've done most of my research in
00:28:43.700 --> 00:28:43.860
My
00:28:44.100 --> 00:28:50.980
my research was focused on how bees prepare for winter, you know, the formation of winter bees, and then
00:28:51.460 --> 00:28:54.580
cold storage of colonies in colonies.
00:28:54.500 --> 00:28:55.460
I arrived
00:28:55.700 --> 00:29:00.660
at the, you know, recommendation that if colonies are
00:29:01.220 --> 00:29:02.100
summering
00:29:02.419 --> 00:29:04.740
in temperate areas, which many of them
00:29:04.900 --> 00:29:04.980
are
00:29:05.140 --> 00:29:05.220
in
00:29:05.460 --> 00:29:07.460
northern Great Plains and you know
00:29:07.620 --> 00:29:08.419
up in uh
00:29:08.580 --> 00:29:09.059
the uh
00:29:09.220 --> 00:29:10.980
eastern part of the country,
00:29:11.140 --> 00:29:13.940
northeastern part of the country, Midwest and such
00:29:14.040 --> 00:29:17.720
That putting those colonies in cold storage for the winter
00:29:18.280 --> 00:29:21.720
is probably a good way of taking them out of an environment
00:29:22.040 --> 00:29:22.920
that seems to be
00:29:23.080 --> 00:29:26.360
growing increasingly dangerous to them, you know, with
00:29:26.600 --> 00:29:31.400
with this with these warm falls and the mites migrating and so forth.
00:29:31.679 --> 00:29:32.000
So
00:29:32.240 --> 00:29:36.960
the first thing that we did was, I mean, is this economically feasible?
00:29:36.960 --> 00:29:37.279
So
00:29:37.600 --> 00:29:38.960
we did uh some
00:29:39.120 --> 00:29:39.840
studies with
00:29:40.000 --> 00:29:40.080
uh
00:29:40.240 --> 00:29:44.480
Beekeeper, the Verhoax uh up in uh North Dakota
00:29:44.460 --> 00:29:47.900
They were kind enough to let us do this study on their colonies
00:29:48.060 --> 00:29:49.900
where we put them in cold storage.
00:29:49.900 --> 00:29:51.980
We took other ones and you know, moved them
00:29:52.140 --> 00:29:52.300
uh
00:29:52.460 --> 00:29:53.020
out to uh
00:29:53.180 --> 00:29:55.660
Texas and overwintered there and
00:29:55.940 --> 00:30:02.820
Anyway, what we found was that yeah, it's economically feasible to put your colonies in cold storage.
00:30:02.820 --> 00:30:09.139
And our later experiments, as we, you know, did some other studies with mites and getting mite
00:30:09.340 --> 00:30:11.740
populations under control, that
00:30:11.900 --> 00:30:12.940
the survival w
00:30:13.179 --> 00:30:17.980
rate of colonies put into cold storage can be quite a bit higher.
00:30:17.840 --> 00:30:18.000
than
00:30:18.240 --> 00:30:19.360
if you leave them out.
00:30:19.360 --> 00:30:20.000
And also
00:30:20.160 --> 00:30:21.360
it's less expensive.
00:30:21.360 --> 00:30:22.960
There's less labor.
00:30:22.960 --> 00:30:26.080
They're not feeding colonies, you know, all winter long.
00:30:26.080 --> 00:30:27.039
Anyway, uh
00:30:27.260 --> 00:30:30.380
Those were the conversations that I had the most with beekeepers.
00:30:30.380 --> 00:30:31.260
And I've I realized
00:30:31.419 --> 00:30:33.580
first of all, it's a it's a big change.
00:30:33.580 --> 00:30:35.260
So, you know, some beekeepers
00:30:35.460 --> 00:30:38.820
who had been used to moving their colonies to California
00:30:38.980 --> 00:30:44.100
for the winter, or maybe down in the southern states, you know, from North Dakota
00:30:44.340 --> 00:30:48.260
and the northern Great Plains down into those areas.
00:30:47.900 --> 00:30:50.780
Maybe they should think about, you know, going west and put
00:30:51.100 --> 00:30:52.940
in, you know, into Idaho and such
00:30:53.100 --> 00:30:53.420
and
00:30:53.740 --> 00:30:56.220
and North Dakota itself.
00:30:56.040 --> 00:30:58.280
and put it in put them in cold storage.
00:30:58.280 --> 00:30:59.720
So this is really a beekeeper's
00:30:59.880 --> 00:31:00.120
choice.
00:31:00.440 --> 00:31:05.400
All I ever did was, you know, and all I still ever do, I just provide information.
00:31:05.240 --> 00:31:12.120
I mean these are really hard decisions for these you know, for the beekeepers who really are, you know, th they're the ones the
00:31:12.280 --> 00:31:16.360
the rubber hits the road with them and th it's their businesses and it
00:31:16.520 --> 00:31:18.200
it's my job
00:31:18.160 --> 00:31:19.840
to give them the best information
00:31:20.000 --> 00:31:23.040
and then, you know, that I've got, share that
00:31:23.280 --> 00:31:25.440
and then let them make decisions.
00:31:25.440 --> 00:31:27.360
I never tell anybody what to do.
00:31:27.360 --> 00:31:29.440
You know how useless that is.
00:31:32.600 --> 00:31:33.720
I love that but
00:31:33.880 --> 00:31:35.400
but it's funny because the
00:31:35.640 --> 00:31:35.880
the
00:31:36.200 --> 00:31:37.160
conversations
00:31:37.320 --> 00:31:38.280
sometimes
00:31:38.440 --> 00:31:38.519
people
00:31:38.679 --> 00:31:40.840
with operations, it's so dire
00:31:41.320 --> 00:31:44.279
because they're being hit so hard with so many threats
00:31:44.440 --> 00:31:46.360
that, you know, sometimes they'll
00:31:46.480 --> 00:31:48.080
You know, they'll be like, Well, what should I do?
00:31:48.080 --> 00:31:50.960
And I'm like, probably not ask me first of all.
00:31:50.960 --> 00:31:53.280
I have eighty colonies, you've got two thousand.
00:31:53.360 --> 00:31:53.520
So
00:31:54.000 --> 00:31:57.520
you know, but at the same time, it makes sense
00:31:57.720 --> 00:32:04.760
to look to the science and to go to the basics, like what do those bees need in order to make it through the winter?
00:32:04.760 --> 00:32:08.280
And a lot of people's guts are saying, they're flying too much.
00:32:08.280 --> 00:32:08.680
They're too
00:32:08.840 --> 00:32:10.200
they're too warm.
00:32:10.220 --> 00:32:11.180
And so
00:32:11.420 --> 00:32:14.060
you kind of bring the science to that to confirm it
00:32:14.220 --> 00:32:18.300
and also to provide additional evidence that it is hel
00:32:18.540 --> 00:32:20.220
healthful for them.
00:32:20.160 --> 00:32:22.240
So for our listeners who are
00:32:22.400 --> 00:32:29.760
new, this might be their first season, what's the difference in nutritional needs for a honey bee in the fall versus the spring versus the winter?
00:32:29.960 --> 00:32:33.400
And the difference between winter and summer bees would be great.
00:32:33.480 --> 00:32:37.640
'Cause we kinda glossed over that, but it that is so critical to the discussion.
00:32:37.720 --> 00:32:40.440
Honey bee colonies have an annual cycle.
00:32:40.440 --> 00:32:41.160
And if we
00:32:41.320 --> 00:32:41.400
l
00:32:41.720 --> 00:32:43.320
start the cycle
00:32:43.340 --> 00:32:43.980
Let's say i
00:32:44.140 --> 00:32:44.700
in um
00:32:44.860 --> 00:32:46.059
late winter when the
00:32:46.299 --> 00:32:49.740
when the bees are just starting to rear brood again.
00:32:49.740 --> 00:32:52.539
I mean they still may be confined in the colony.
00:32:52.880 --> 00:32:58.080
But that queen starts laying again, you know, sometime in late January, early February.
00:32:58.240 --> 00:33:02.160
They're rear and brood, and though all that brood is the replacement.
00:33:02.440 --> 00:33:02.760
to
00:33:02.920 --> 00:33:07.880
the bees that have formed that winter cluster that have overwintered.
00:33:07.880 --> 00:33:10.760
And so the longer that they stay in the colony
00:33:10.960 --> 00:33:11.840
You know, the better
00:33:12.000 --> 00:33:21.040
the more brood they can rear and the more replacements are waiting in the wings when the colony starts to forage again and starts losing these older bees as they forage.
00:33:21.160 --> 00:33:21.400
So
00:33:21.560 --> 00:33:30.760
ideally in the spring, let's say it starts to warm up, you know, March you get some hours of flight every day, April a little more, May a little more.
00:33:30.760 --> 00:33:33.000
These pollens that are coming in
00:33:33.060 --> 00:33:34.420
are usually abundant.
00:33:34.420 --> 00:33:37.140
Spring pollens are you know, a lot of them
00:33:37.460 --> 00:33:41.060
have to do with, you know, fruit trees and blooming shrubs.
00:33:41.060 --> 00:33:43.540
And so there's this abundant pollen
00:33:43.780 --> 00:33:46.580
with nutrients that bees can use to rear
00:33:46.740 --> 00:33:47.700
brood.
00:33:47.540 --> 00:33:47.940
you know, their
00:33:48.100 --> 00:33:57.220
protein and uh lipids uh in them as well as other nutrients, vitamins and such, bees can bring in tremendous amounts of pollen and grow.
00:33:57.060 --> 00:33:57.300
And
00:33:57.460 --> 00:33:59.940
because they're turning that pollen into bees.
00:33:59.940 --> 00:34:00.020
Uh
00:34:00.180 --> 00:34:02.820
so that your population grows, they make
00:34:03.060 --> 00:34:06.660
drones, they can even swarm and you know if you
00:34:06.820 --> 00:34:06.900
if
00:34:07.060 --> 00:34:07.220
you
00:34:16.440 --> 00:34:16.760
I know
00:34:16.919 --> 00:34:20.120
beekeepers try to discourage swarming.
00:34:19.740 --> 00:34:21.820
But you can make splits and
00:34:22.620 --> 00:34:23.820
grow your colonies.
00:34:23.820 --> 00:34:24.139
And
00:34:24.379 --> 00:34:32.060
so those spring and summer pollens, the nutrients that they provide, plus the abundance of them that they provide.
00:34:31.920 --> 00:34:37.200
enable that colony to take off and as it's and as it's growing, i it
00:34:37.360 --> 00:34:38.480
it's
00:34:38.720 --> 00:34:40.320
on a projection
00:34:40.640 --> 00:34:40.960
to
00:34:41.520 --> 00:34:44.400
get large enough to overwinter.
00:34:44.040 --> 00:34:44.840
Okay, so
00:34:45.000 --> 00:34:49.240
you know your chances of overwintering are really set
00:34:49.800 --> 00:34:52.120
in May and June, you know
00:34:52.700 --> 00:34:52.940
So
00:34:53.179 --> 00:34:54.060
anyway, y
00:34:54.220 --> 00:34:58.220
your colony then goes through the summer and you're trying to now maintain that population.
00:34:58.220 --> 00:35:00.060
So you have summer, you know, colon or
00:35:00.220 --> 00:35:01.100
summer pollens
00:35:01.260 --> 00:35:03.340
and ideally they're coming in
00:35:03.500 --> 00:35:03.820
and
00:35:03.880 --> 00:35:04.600
You know, bees are
00:35:04.760 --> 00:35:04.840
can
00:35:05.080 --> 00:35:07.560
continue to grow and then you hit the fall
00:35:07.720 --> 00:35:10.280
and day as days are starting to get shorter.
00:35:10.280 --> 00:35:13.240
Okay, now that brood rearing is going down.
00:35:13.320 --> 00:35:16.920
And the bees are putting away more of the pollen.
00:35:16.920 --> 00:35:17.640
They're putting it
00:35:17.880 --> 00:35:20.840
away in the cells in the colony.
00:35:20.840 --> 00:35:21.160
They're
00:35:21.320 --> 00:35:22.440
they're eating it
00:35:22.680 --> 00:35:24.680
and you know, foraging is
00:35:25.099 --> 00:35:25.660
ideally
00:35:25.900 --> 00:35:27.740
foraging is on the decline too
00:35:27.900 --> 00:35:31.980
because it's getting colder, days are getting shorter, there's less brood.
00:35:31.980 --> 00:35:35.339
Finally, you know, it gets to the point where days are short
00:35:35.500 --> 00:35:38.220
and there's too cold to forage.
00:35:37.600 --> 00:35:37.760
And
00:35:37.920 --> 00:35:40.800
now the bees have this storage of pollen
00:35:41.120 --> 00:35:41.920
that is usually
00:35:42.320 --> 00:35:44.720
lipid-rich because they're using lipids
00:35:45.040 --> 00:35:46.080
at this time of
00:35:46.400 --> 00:35:47.280
year.
00:35:47.059 --> 00:35:54.660
There's a lot more calories in lipids than there are, for example, in you know honey simple sugars and such.
00:35:54.660 --> 00:35:57.779
Although they use those sugars to uh
00:35:58.020 --> 00:35:59.859
warm the hive to you know
00:35:59.940 --> 00:36:00.099
to
00:36:00.260 --> 00:36:00.420
what
00:36:00.579 --> 00:36:00.980
's they
00:36:01.220 --> 00:36:01.700
shiver
00:36:01.940 --> 00:36:02.740
and you know
00:36:02.900 --> 00:36:02.980
are
00:36:03.140 --> 00:36:03.460
thermi
00:36:03.700 --> 00:36:06.099
thermoregulating the colony through their shivering
00:36:06.260 --> 00:36:07.940
they're generating heat
00:36:07.840 --> 00:36:12.320
That occurs from the honey that's in the colony, from the glucose in the honey.
00:36:12.320 --> 00:36:17.440
But the lipids that are in the bees and in the fat body can get broken down into
00:36:17.600 --> 00:36:19.360
into glucose and uh
00:36:19.520 --> 00:36:22.560
and also serve as an energy source.
00:36:22.040 --> 00:36:22.680
a very
00:36:23.000 --> 00:36:25.880
concentrated energy source.
00:36:25.880 --> 00:36:27.640
And so, you know, and then
00:36:27.960 --> 00:36:29.480
winter goes by and
00:36:29.640 --> 00:36:29.880
and
00:36:30.280 --> 00:36:32.920
warming the hive and then we start the cycle again
00:36:33.080 --> 00:36:36.520
where those nutrients that they put away in fall pollens that
00:36:36.580 --> 00:36:39.060
There's protein in them, there's a lot of lipid in them.
00:36:39.060 --> 00:36:43.620
They're using those now to rear that brood again while they're still in the colony.
00:36:43.620 --> 00:36:45.860
And so, you know, bees
00:36:46.020 --> 00:36:48.740
evolved in a landscape and in a time
00:36:49.299 --> 00:36:49.539
where
00:36:49.859 --> 00:36:53.539
that kind of environmental stability existed.
00:36:53.539 --> 00:36:56.579
And they, you know, they matched right up with the environment
00:36:56.819 --> 00:36:57.380
and were
00:36:57.539 --> 00:36:58.420
able in
00:36:58.660 --> 00:37:01.140
more years than not to thrive.
00:37:01.020 --> 00:37:01.339
And
00:37:01.579 --> 00:37:02.220
and now
00:37:02.859 --> 00:37:05.900
the environment's not that stable anymore.
00:37:05.900 --> 00:37:10.859
There's years when it's more difficult to keep colonies alive, that's for sure.
00:37:10.740 --> 00:37:11.540
It's also
00:37:11.700 --> 00:37:13.060
we try to supplement
00:37:13.620 --> 00:37:16.900
our bees with nutrition when they need it, but that foul
00:37:17.140 --> 00:37:18.420
pollen is a very
00:37:19.200 --> 00:37:21.760
there's not a great fix for that.
00:37:21.760 --> 00:37:21.840
We
00:37:22.000 --> 00:37:22.080
it
00:37:22.480 --> 00:37:22.800
because
00:37:23.280 --> 00:37:24.320
my understanding is you
00:37:24.480 --> 00:37:27.600
if you're feeding a pollen substitute, at least in a northern climate
00:37:27.760 --> 00:37:30.720
you could very well start simulating brood, which you're not
00:37:30.880 --> 00:37:32.320
you don't want to do.
00:37:32.320 --> 00:37:32.640
So
00:37:32.800 --> 00:37:33.120
so
00:37:33.360 --> 00:37:40.720
what do you recommend to beekeepers as far as that fall pollen if they think that they don't have enough of it?
00:37:42.040 --> 00:37:42.599
That's really
00:37:42.760 --> 00:37:44.040
that's really hard to
00:37:44.280 --> 00:37:46.119
to pull them through, you know.
00:37:46.359 --> 00:37:47.560
You know, I don't know.
00:37:47.560 --> 00:37:48.760
I mean, you know, you need po
00:37:49.000 --> 00:37:54.040
fall pollen coming in and I don't know if just having some fall pollen coming in
00:37:54.140 --> 00:37:54.619
i is
00:37:54.779 --> 00:37:55.500
is enough.
00:37:55.500 --> 00:37:55.579
I
00:37:55.740 --> 00:37:56.380
I know
00:37:56.619 --> 00:37:59.339
we did a study with supplemental feeding
00:37:59.500 --> 00:37:59.819
where
00:37:59.980 --> 00:38:04.859
we had a group of colonies that just got some natural pollen.
00:38:04.980 --> 00:38:05.300
And
00:38:05.860 --> 00:38:07.940
those colonies did as well
00:38:08.100 --> 00:38:09.380
as colonies that we
00:38:09.780 --> 00:38:12.580
didn't feed pollen supplements to
00:38:12.740 --> 00:38:15.940
and fed real pollen to the whole time.
00:38:15.740 --> 00:38:17.740
So just that little bit of pollen
00:38:17.980 --> 00:38:18.940
made a difference.
00:38:18.940 --> 00:38:22.300
I don't know if that's true with fall pollens, but
00:38:22.460 --> 00:38:23.740
boy, I would hope so, because
00:38:23.900 --> 00:38:24.620
you know it's just
00:38:24.780 --> 00:38:27.980
just having some fall pollen coming in.
00:38:27.820 --> 00:38:29.580
You know, one thing that we did I
00:38:29.740 --> 00:38:34.140
too when we were working with MegaBee, and this may be helpful, was that
00:38:34.460 --> 00:38:40.860
when we fed MegaBee, the bees ate it and stored the pollen that they were bringing in
00:38:40.940 --> 00:38:41.099
So
00:38:41.260 --> 00:38:45.420
whether they would do that with fall pollen, that'd be worth looking into.
00:38:45.420 --> 00:38:46.060
I
00:38:46.380 --> 00:38:47.420
I never did that.
00:38:47.420 --> 00:38:49.020
I don't have any data for it, but I
00:38:49.180 --> 00:38:49.420
but
00:38:49.720 --> 00:38:52.440
It had worked with uh spring and summer.
00:38:52.440 --> 00:38:53.400
Okay, okay.
00:38:53.559 --> 00:38:56.200
I think a lot of the information out there is that a lot of pollen
00:38:56.359 --> 00:38:58.920
supplements aren't being stored, so
00:38:59.260 --> 00:39:02.300
Oh yeah, they th they don't store those.
00:39:02.300 --> 00:39:04.860
They do some good, but there's not a lot of storage.
00:39:04.860 --> 00:39:05.740
Oh that's interesting.
00:39:05.740 --> 00:39:07.420
Thank you for sharing that.
00:39:07.520 --> 00:39:08.880
For the beekeeper
00:39:09.119 --> 00:39:09.760
who is
00:39:10.000 --> 00:39:10.560
perhaps
00:39:10.800 --> 00:39:11.359
doing a
00:39:11.520 --> 00:39:16.000
public speaking or going to the local library and talking about honey bees and
00:39:16.160 --> 00:39:18.560
the discussion about climate change comes up.
00:39:18.640 --> 00:39:22.160
There's gonna be somebody in the audience who will say
00:39:22.400 --> 00:39:29.599
climate change is not what everyone says it is, and it's just the earth doing its earth thing.
00:39:29.720 --> 00:39:30.039
And
00:39:30.200 --> 00:39:35.960
the environments will change, the bees will get used to the new flowers that'll be adapting to that area's
00:39:36.119 --> 00:39:39.559
new growing season and new temperature range.
00:39:40.060 --> 00:39:40.300
So
00:39:40.540 --> 00:39:41.580
everybody calm
00:39:41.900 --> 00:39:42.540
down.
00:39:42.540 --> 00:39:44.700
Is that a viable argument
00:39:44.940 --> 00:39:45.100
and
00:39:45.260 --> 00:39:45.580
or
00:39:45.740 --> 00:39:47.900
how does a beekeeper respond
00:39:48.240 --> 00:39:48.400
To
00:39:48.640 --> 00:39:53.600
that at their local library or their local rotary club where they're having a question
00:39:53.840 --> 00:39:55.040
posed to 'em.
00:39:55.040 --> 00:39:56.080
You know, I think
00:39:55.980 --> 00:39:56.940
When it c when it you know
00:39:57.099 --> 00:39:59.099
comes to climate change, I mean
00:39:59.260 --> 00:39:59.819
clearly not
00:39:59.980 --> 00:40:04.220
not everyone is sold on whether it's actually a thing, you know.
00:40:04.220 --> 00:40:04.539
And
00:40:04.700 --> 00:40:04.940
so
00:40:05.099 --> 00:40:05.260
y
00:40:05.420 --> 00:40:05.740
you know, you
00:40:05.900 --> 00:40:06.140
you need
00:40:06.380 --> 00:40:09.260
you need to look at, you know, the information that
00:40:09.420 --> 00:40:10.859
is available.
00:40:10.660 --> 00:40:15.300
I mean what's clear is that the planet's been warming
00:40:15.620 --> 00:40:16.740
since the you know
00:40:16.980 --> 00:40:18.100
nineteen fifties.
00:40:18.100 --> 00:40:20.660
If we just start with the nineteen fifties.
00:40:20.799 --> 00:40:26.400
The planet has been, you know, temperatures have been increasing at a faster rate
00:40:26.720 --> 00:40:27.039
than
00:40:27.680 --> 00:40:27.920
any
00:40:28.160 --> 00:40:28.799
time that we
00:40:28.960 --> 00:40:31.680
were we've been recording temperatures.
00:40:31.960 --> 00:40:32.279
And
00:40:32.680 --> 00:40:33.000
the
00:40:33.160 --> 00:40:35.079
you know each year as we go by
00:40:35.240 --> 00:40:37.559
seems to be, you know, record breaking
00:40:37.880 --> 00:40:39.240
warm years.
00:40:39.240 --> 00:40:40.440
And if you know look at
00:40:40.760 --> 00:40:43.240
well, you know, why is this happening?
00:40:43.240 --> 00:40:46.359
All you need to look at is ocean temperatures.
00:40:46.460 --> 00:40:48.700
And what the ocean temperatures are
00:40:48.859 --> 00:40:50.539
and how they've been warming, and
00:40:50.700 --> 00:40:54.619
they haven't been warming, we would still have a lot more icebergs out there, right?
00:40:54.740 --> 00:40:56.740
and a lot more uh glacier
00:40:56.980 --> 00:40:57.940
that are you know
00:40:58.100 --> 00:41:00.660
still out there on the uh on the coasts and
00:41:00.820 --> 00:41:04.740
and in the northern part of the Atlantic and the Pacific.
00:41:04.900 --> 00:41:10.820
So, I mean clearly the oceans are warming, and oceans are what drive the whole planet's weather.
00:41:10.820 --> 00:41:15.140
And the warming of the ocean, because you know, water holds a lot of heat.
00:41:15.040 --> 00:41:15.440
And so
00:41:15.600 --> 00:41:19.120
as the atmosphere gets warm, the oceans pull in that
00:41:19.520 --> 00:41:23.520
heat, and the oceans get warm, and that drives our temperatures.
00:41:23.760 --> 00:41:24.079
So
00:41:24.400 --> 00:41:24.560
w
00:41:24.800 --> 00:41:25.599
you know, the
00:41:25.760 --> 00:41:25.920
the
00:41:26.240 --> 00:41:30.800
it's hard to argue against that the planet isn't getting warmer.
00:41:30.800 --> 00:41:32.320
But, you know, okay, the
00:41:32.480 --> 00:41:32.800
the
00:41:32.960 --> 00:41:38.160
you know, bees will adjust and they'll evolve and so forth.
00:41:37.359 --> 00:41:40.320
And you know, that's kind of a hopeful thing to
00:41:40.480 --> 00:41:41.280
to say, and
00:41:41.440 --> 00:41:41.760
and
00:41:42.320 --> 00:41:44.960
one thing is that you know the planet, the weather
00:41:45.200 --> 00:41:48.880
thing is changing faster than these organisms evolve.
00:41:48.660 --> 00:41:51.140
They're not bacteria.
00:41:51.140 --> 00:41:52.580
You know?
00:41:52.580 --> 00:41:55.940
And the other thing is that yeah, they are evolving.
00:41:55.940 --> 00:41:58.420
We're watching selection here.
00:41:58.000 --> 00:41:58.720
And it's called
00:41:58.880 --> 00:41:59.440
60%
00:41:59.600 --> 00:42:01.360
of my colonies died this year.
00:42:01.360 --> 00:42:03.120
And so when you're running a beekeeper
00:42:03.360 --> 00:42:07.120
in operation, you don't want to see that kind of natural selection.
00:42:07.120 --> 00:42:07.760
And yeah,
00:42:08.160 --> 00:42:09.200
in terms of feral
00:42:09.360 --> 00:42:15.120
populations, sure, there'll be selection on them and they'll be moving into the northern areas in it
00:42:15.280 --> 00:42:16.720
in higher elevations.
00:42:16.720 --> 00:42:18.560
So there'll be landscapes
00:42:18.440 --> 00:42:20.839
that we'll really be lacking pollinators because
00:42:21.079 --> 00:42:22.040
be lacking flowering
00:42:22.280 --> 00:42:23.720
plants and you know
00:42:23.880 --> 00:42:25.880
pollinators just can't get established there.
00:42:25.880 --> 00:42:27.400
So there'll be all these shifts
00:42:27.560 --> 00:42:27.800
and
00:42:28.040 --> 00:42:36.760
Things evolving and things selecting, but they may not occur in ways that we really want them to, you know, or hope them to.
00:42:36.660 --> 00:42:39.060
Is there anything a individual beekeeper can do
00:42:39.220 --> 00:42:44.260
along these lines to prepare their themselves and their honey bees or their operations
00:42:44.500 --> 00:42:44.820
for
00:42:45.820 --> 00:42:48.140
the climate change and things that we're experiencing.
00:42:48.540 --> 00:42:52.700
I think that you need to find places to put your colonies
00:42:52.940 --> 00:42:55.660
for the through the spring and the summer.
00:42:55.720 --> 00:43:01.000
especially when they get done pollinating, you know, those spring crops, if you pollinate almonds or, you know, the
00:43:01.160 --> 00:43:01.960
other orchard
00:43:02.119 --> 00:43:07.240
crops, where they can at least get some natural pollen coming in.
00:43:06.940 --> 00:43:11.099
And this is where I believe beekeepers really need help from the public
00:43:11.500 --> 00:43:12.140
and also
00:43:12.619 --> 00:43:12.940
from
00:43:13.420 --> 00:43:19.180
the government having a sustained commitment to its pollinating populations.
00:43:18.940 --> 00:43:21.500
and pollinators as a natural resource
00:43:21.740 --> 00:43:27.260
where these areas become available to beekeepers, they are uh
00:43:27.420 --> 00:43:28.619
supported, they
00:43:29.059 --> 00:43:29.460
you know, are
00:43:29.779 --> 00:43:38.339
are planted into pollinator plantings, that there's just a commitment that we're gonna, you know, do the things that we need to do in public lands and
00:43:38.500 --> 00:43:39.140
in you know
00:43:39.299 --> 00:43:40.339
open areas
00:43:40.579 --> 00:43:41.940
to support pollinator
00:43:42.180 --> 00:43:43.859
populations.
00:43:43.220 --> 00:43:43.460
so
00:43:43.779 --> 00:43:44.420
that all
00:43:44.660 --> 00:43:45.779
pollinators
00:43:46.099 --> 00:43:47.940
have some pollen, natural pollen
00:43:48.099 --> 00:43:49.859
coming in throughout the year.
00:43:49.859 --> 00:43:52.980
Okay, now that's going to build our nutritional base.
00:43:52.840 --> 00:43:53.320
to keep
00:43:53.480 --> 00:43:55.240
pollinators healthy.
00:43:55.240 --> 00:44:02.600
And you know, pollinators, uh honey bees that have natural pollen coming in, have greater resistance to diseases, and
00:44:02.840 --> 00:44:07.240
can grow populations that have a chance of getting them through the winter.
00:44:06.940 --> 00:44:08.460
Then, you know, Varroa
00:44:08.780 --> 00:44:09.500
control.
00:44:09.500 --> 00:44:15.500
And that gets expensive, you know, because you need to be monitoring more often.
00:44:15.440 --> 00:44:17.760
And you need to be rotating miticides
00:44:18.000 --> 00:44:18.880
and there are you know
00:44:19.040 --> 00:44:21.280
mite-resistant lines of bees
00:44:21.599 --> 00:44:21.920
that
00:44:22.160 --> 00:44:22.320
can
00:44:22.480 --> 00:44:23.440
be very effective.
00:44:23.440 --> 00:44:25.119
Put a plug in for the Baton Rouge
00:44:25.280 --> 00:44:25.440
lab
00:44:25.680 --> 00:44:26.240
here.
00:44:25.800 --> 00:44:27.560
They've got great lines of bees.
00:44:27.800 --> 00:44:28.520
The Tucson
00:44:28.760 --> 00:44:28.840
Lab
00:44:29.000 --> 00:44:31.880
is doing an area-wide study with the Baton
00:44:32.040 --> 00:44:32.680
Rouge Lab
00:44:32.840 --> 00:44:34.840
on some of their selections of their
00:44:35.000 --> 00:44:36.920
mite-resistant lines.
00:44:36.660 --> 00:44:38.980
And they really keep mite levels low
00:44:39.140 --> 00:44:40.740
without mites.
00:44:40.980 --> 00:44:43.780
That's terrific, you know?
00:44:43.780 --> 00:44:44.020
So
00:44:44.260 --> 00:44:46.340
keeping the mite levels down
00:44:47.339 --> 00:44:48.780
is key.
00:44:48.780 --> 00:44:50.859
And then how are you going to overwinter?
00:44:50.859 --> 00:44:53.420
And that becomes the beekeeper's choice.
00:44:53.420 --> 00:44:56.300
Whether they want to put them into cold storage.
00:44:56.400 --> 00:45:00.080
Or, you know, they want to take them and leave them in the fields and you know
00:45:00.240 --> 00:45:01.520
take their chances there.
00:45:01.600 --> 00:45:03.520
That's up to the beekeeper.
00:45:03.520 --> 00:45:06.880
But the climate, even under the best of situations.
00:45:07.380 --> 00:45:07.700
can
00:45:07.859 --> 00:45:08.819
can still
00:45:08.980 --> 00:45:12.579
wreak havoc and you know, until you know
00:45:12.819 --> 00:45:15.460
we find places to put bees
00:45:15.619 --> 00:45:16.260
and you know
00:45:16.420 --> 00:45:17.700
have those years
00:45:18.040 --> 00:45:20.440
I'm really concerned about California this year
00:45:20.680 --> 00:45:23.080
with the predictions we're getting about the El Ni��o
00:45:23.240 --> 00:45:26.520
and the amount of rain that's gonna be in California.
00:45:26.520 --> 00:45:28.840
I don't know you can do much about that.
00:45:28.840 --> 00:45:28.920
I
00:45:29.160 --> 00:45:32.600
the ocean is at record temperatures.
00:45:32.599 --> 00:45:35.000
for this time of year, the Pacific.
00:45:35.000 --> 00:45:39.480
So, I mean Hawaii is getting hit, you know, already with we've had two
00:45:39.640 --> 00:45:40.680
two hurricanes.
00:45:40.920 --> 00:45:41.240
So
00:45:41.840 --> 00:45:42.880
Like I said, I mean
00:45:43.040 --> 00:45:43.440
we d we
00:45:43.680 --> 00:45:49.520
we need to be talking about climate change and doing things, you know, to help mitigate it
00:45:49.740 --> 00:45:51.660
Not just for us, but
00:45:51.980 --> 00:45:55.500
for, you know, all those folks who are who are following us.
00:45:55.500 --> 00:45:59.980
You know, all our kids and our grandkids and other people's kids and grandkids.
00:45:59.840 --> 00:46:01.680
You know, we need to have that kind of long
00:46:01.840 --> 00:46:02.480
view.
00:46:02.560 --> 00:46:02.960
I think
00:46:03.120 --> 00:46:06.080
one of the problems out there is that Varroa have just
00:46:06.240 --> 00:46:07.520
they've really muddled
00:46:07.680 --> 00:46:08.320
everything
00:46:08.560 --> 00:46:11.760
because beekeepers aren't able to understand
00:46:11.920 --> 00:46:14.080
the impact of different
00:46:14.520 --> 00:46:17.400
weather conditions on their colonies sometimes
00:46:17.560 --> 00:46:17.800
because
00:46:17.960 --> 00:46:19.560
it's very possible that their
00:46:19.800 --> 00:46:21.079
bees are already
00:46:21.320 --> 00:46:21.960
sick
00:46:22.420 --> 00:46:22.660
with
00:46:22.820 --> 00:46:23.300
viruses
00:46:23.620 --> 00:46:25.620
or the mite load is too high.
00:46:25.620 --> 00:46:26.580
And so it's just
00:46:26.820 --> 00:46:31.060
I preached, I think, but I want mite mitigation to be so
00:46:31.440 --> 00:46:37.119
so extreme that they can at least see what their bees are supposed to look like
00:46:37.440 --> 00:46:40.079
before they start trying to
00:46:40.520 --> 00:46:41.720
figure out other
00:46:41.960 --> 00:46:45.720
ways to keep bees and keep bees healthy.
00:46:45.720 --> 00:46:50.040
It is interesting because you're a healthy colony, they can stand
00:46:50.520 --> 00:46:50.839
some
00:46:51.160 --> 00:46:53.320
some kind of other pressure.
00:46:53.320 --> 00:46:54.120
But if you
00:46:54.280 --> 00:46:58.040
if you take that away from them, you know, no wonder our levels of colony
00:46:58.280 --> 00:47:00.760
collapse are so high every year.
00:47:00.760 --> 00:47:01.000
But
00:47:01.160 --> 00:47:05.400
I don't know if you can do that through mathematical modeling or if you can go in a time machine to
00:47:05.560 --> 00:47:06.840
when you started your career
00:47:07.080 --> 00:47:07.400
and
00:47:07.460 --> 00:47:11.540
and see what the impact of these conditions are on the bees.
00:47:11.540 --> 00:47:16.660
But it is hard because it's what we have now, but it's really confusing.
00:47:16.760 --> 00:47:22.600
Yeah, actually a project that I'm working on with some uh colleagues at Arizona State University.
00:47:22.600 --> 00:47:24.600
That's what I'm kind of working out of now
00:47:24.559 --> 00:47:24.640
i
00:47:24.799 --> 00:47:32.480
is looking at exactly those things, you know, the different situations that occur throughout the year and how that affects your chances of a colony either
00:47:32.640 --> 00:47:35.359
growing and doing well and overwintering.
00:47:35.440 --> 00:47:37.760
or being lost over the wintertime.
00:47:37.760 --> 00:47:46.400
And it does lend itself to mathematics, no question about it, because it will capture that series of unfortunate events that
00:47:46.720 --> 00:47:49.599
ultimately cause a colony to die over the winter
00:47:49.760 --> 00:47:50.960
or survive, you know,
00:47:51.440 --> 00:47:52.880
positive events.
00:47:52.880 --> 00:47:53.200
So
00:47:53.359 --> 00:47:55.599
yeah, I mean it can work out that way.
00:47:55.599 --> 00:47:57.760
But what you what you say a hundred percent you know
00:47:57.920 --> 00:47:58.240
agree
00:47:58.480 --> 00:47:58.720
that
00:47:58.960 --> 00:48:00.160
Varroa is
00:48:00.620 --> 00:48:02.300
either makes or breaks
00:48:02.540 --> 00:48:03.420
a colony
00:48:03.580 --> 00:48:05.500
and it's, you know, difficult to
00:48:05.660 --> 00:48:06.300
to control
00:48:06.700 --> 00:48:09.020
and you just have to be on it all the time
00:48:09.180 --> 00:48:09.500
and
00:48:09.480 --> 00:48:15.400
Yeah, I was telling you we did that uh one study where you know we were looking at the economics and we were keeping um
00:48:16.200 --> 00:48:16.599
bees
00:48:16.920 --> 00:48:17.240
from
00:48:17.400 --> 00:48:18.920
uh the minute that uh or
00:48:19.079 --> 00:48:22.760
the time that they split, they made the splits in Texas
00:48:22.840 --> 00:48:23.480
in the spring
00:48:23.640 --> 00:48:24.520
and moved 'em up into
00:48:24.680 --> 00:48:25.880
North Dakota and
00:48:26.200 --> 00:48:27.240
and, you know, with
00:48:27.560 --> 00:48:28.920
transportation costs and
00:48:29.080 --> 00:48:29.880
mice.
00:48:29.880 --> 00:48:31.240
The costs of m a
00:48:31.400 --> 00:48:37.560
miticide application are just like I mean, not just for the material, but for the labor and the transport.
00:48:36.880 --> 00:48:37.520
transportation
00:48:37.760 --> 00:48:37.840
just
00:48:38.000 --> 00:48:38.960
like oh my god
00:48:39.120 --> 00:48:42.720
and you gotta do this you know for how many times a year
00:48:42.960 --> 00:48:43.200
but
00:48:43.360 --> 00:48:43.840
shucks
00:48:44.000 --> 00:48:45.040
if you don't
00:48:45.160 --> 00:48:45.880
And it might
00:48:46.040 --> 00:48:47.560
get away from you.
00:48:47.560 --> 00:48:49.720
Well, okay, now you got that.
00:48:49.800 --> 00:48:53.240
Gloria, thank you so much for sharing all this information, but
00:48:53.400 --> 00:48:54.360
more importantly
00:48:54.840 --> 00:48:56.680
People need to read this book.
00:48:56.680 --> 00:48:57.240
So so
00:48:57.400 --> 00:49:00.440
how do they get a copy of your book?
00:49:00.440 --> 00:49:02.440
They sell it on Amazon.
00:49:03.920 --> 00:49:05.920
Just like we get everything else, right?
00:49:05.920 --> 00:49:07.360
You know, and uh you know
00:49:07.520 --> 00:49:08.560
you can buy uh um
00:49:08.720 --> 00:49:11.600
a hard copy, you can buy an electronic copy of it.
00:49:11.600 --> 00:49:13.120
Yeah, thanks for asking.
00:49:13.120 --> 00:49:13.760
Excellent.
00:49:13.760 --> 00:49:18.480
And we'll make sure there's a link to the book in our show notes.
00:49:18.520 --> 00:49:22.920
I hate to be the bad guy in this, but we're gonna have to bring this to an end.
00:49:22.920 --> 00:49:27.720
Gloria, this is such a broad topic and we could obviously talk about this for a long time.
00:49:27.840 --> 00:49:31.120
I promise you I'm not gonna wait five years to invite you back.
00:49:31.120 --> 00:49:31.600
I'd want
00:49:31.760 --> 00:49:35.360
to explore different areas on this and the honey bee nutrition
00:49:35.359 --> 00:49:37.760
You know, what comes first, a healthy bee or the Varroa
00:49:38.000 --> 00:49:38.079
I
00:49:38.400 --> 00:49:38.560
all
00:49:38.720 --> 00:49:40.079
those discussions I think
00:49:40.240 --> 00:49:40.400
are
00:49:40.560 --> 00:49:41.680
things that we can talk about
00:49:41.839 --> 00:49:44.480
and I would enjoy talking those with you.
00:49:44.480 --> 00:49:48.160
So I hope you accept our invitation next time we invite you back.
00:49:48.160 --> 00:49:48.640
Always.
00:49:48.640 --> 00:49:49.040
Yeah.
00:49:49.040 --> 00:49:50.079
Thank you for asking me.
00:49:50.200 --> 00:49:51.400
I appreciate it.
00:49:51.400 --> 00:49:54.680
Oh, thank you so much.
00:49:54.680 --> 00:49:56.280
I'm glad we invited Gloria
00:49:56.440 --> 00:49:56.839
to the show.
00:49:57.000 --> 00:50:00.119
Climate change, nutrition, varroa.
00:50:00.240 --> 00:50:02.560
honey bees, what a mixture.
00:50:02.560 --> 00:50:05.280
Well, it's thirty-nine year career
00:50:05.920 --> 00:50:07.520
at the USDA
00:50:07.760 --> 00:50:08.080
plus
00:50:08.820 --> 00:50:12.340
to graduate degrees, there's a lot that Gloria
00:50:12.580 --> 00:50:14.020
has to share.
00:50:14.020 --> 00:50:17.300
I mean that perspective and that perspective that spans
00:50:17.460 --> 00:50:20.820
such change in the industry, including climate change
00:50:21.060 --> 00:50:21.940
impacting
00:50:22.120 --> 00:50:22.280
how
00:50:22.520 --> 00:50:23.560
beekeeping
00:50:23.800 --> 00:50:24.760
colonies
00:50:25.080 --> 00:50:25.720
manage
00:50:25.880 --> 00:50:27.400
their resources.
00:50:27.400 --> 00:50:28.760
It's pretty priceless.
00:50:29.080 --> 00:50:29.240
She
00:50:29.480 --> 00:50:34.520
talked about her mathematical model and going back to that and making changes and looking at
00:50:34.740 --> 00:50:38.420
the life of a colony through the year, wouldn't that be a great app?
00:50:38.420 --> 00:50:40.180
Well maybe or maybe not, because
00:50:40.340 --> 00:50:43.700
I always have hope for every colony regardless.
00:50:43.700 --> 00:50:44.020
So
00:50:44.540 --> 00:50:45.180
I don't know.
00:50:45.180 --> 00:50:46.940
I don't I don't think I want that out.
00:50:46.940 --> 00:50:48.460
But I always just smiled with
00:50:48.620 --> 00:50:48.780
d with
00:50:49.020 --> 00:50:49.260
with
00:50:49.420 --> 00:50:49.580
um
00:50:49.820 --> 00:50:53.660
going back and modeling it because I've read these papers before, the modeling papers
00:50:53.820 --> 00:50:54.140
and
00:50:53.900 --> 00:51:00.299
They're so important, but it's a special group of people who have that in their head and can get it out into
00:51:00.619 --> 00:51:01.339
into actual
00:51:01.500 --> 00:51:03.339
applicable work.
00:51:03.580 --> 00:51:07.740
And that about wraps it up for this episode of Beekeeping Today.
00:51:07.740 --> 00:51:12.780
Before we go, be sure to follow us and leave us a 5-star rating on Apple Podcast
00:51:13.020 --> 00:51:15.580
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00:51:26.540 --> 00:51:31.580
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00:51:31.580 --> 00:51:41.100
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00:51:40.840 --> 00:51:44.840
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00:51:44.840 --> 00:51:49.240
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00:51:49.240 --> 00:51:50.600
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00:51:50.600 --> 00:51:52.520
Thanks again, everybody.
Research Scientist/Author
I grew up in Pennsylvania and have had a lifelong fascination with insects. I went to Penn State University and received a B.S. in Biology and later an M.S. in Entomology with Dr. Clarence Collison as my advisor. I went to Michigan State University and received a Ph.D. with Dr. Roger Hoopingarner as my advisor. After graduating from MSU, I joined the USDA Agricultural Research Service at the Carl Hayden Bee Research Center in Tucson, Arizona. I spent 39 years in Federal service at the Tucson Bee Lab first as a Research Scientist and then as Research Leader of the Lab. During that time, I conducted research in crop pollination, Africanized bees, Varroa mites, fungicide effects on colony and queen health, nutrition, and most recently, the effects of climate change on colony survival. Upon retirement, I joined the Faculty at Arizona State University where I continue my research in climate change effects on honey bees and building models to identify the combinations of factors that cause honey bee colonies to decline.
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