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NSBK Blog

How Bees detect Colony Size by Michael Smith

12/2/2021

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Dr Michael Smith (Auburn Uni. Alabama, USA) started by referring to his now famous IgNobel awarded project to rate the pain caused by bee-stings.
(https://www.theapiarist.org/ouch-that-hurt). He is currently leading the new Smith Bee Lab facility and is seeking students to join his research team (https://smithbeelab.com)
However the focus of this talk was his series of experiments to investigate the way that honeybees regulate the production of drone comb, and how this relates to their assessment of the size of their own colony.

Picture
All organisms, including honey bees, balance the resources and effort dedicated to three primary aims: Survival, Growth & Reproduction. For the honeybee, the latter includes the production of drones and their dispersal for mating activities. A colony will start the necessary drone comb production as one of the first signs of maturity, long before Queen cells start appearing. This activity marks a developmental milestone, but how do bees determine this moment?

After a series of practical field experiments using enlarged display hives, it seems that bees are capable of assessing their own population density; so "squeezed up" bees make more drone comb.

One memorable experiment involved mechanically stroking the bees with slowly rotating tickling sticks. Though Ken Dodd would certainly have approved, the bees remained unaffected. Tickling is not their thing! Also, large, dense colonies produced more drone comb. Michael Smith then remarked that worker bees default to making drone comb when there is no active laying Queen.

It is remarkable that after centuries of beekeeping experience we still need to find good answers to such simple questions about honeybee behaviour.


The recording can still be viewed with passcode: M#^98!xN

https://us02web.zoom.us/rec/share/2vCriVHLi-xiVBFDBt0HCFYhnGAwjU8deRVDyEGiZAlvxn50pi3Ftt5bpFOESOjO.aC2gBs4yrkp9-YBl

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  • Home
  • About Us
  • Latest News
    • Our Blog
    • Social Media Pages
    • Club Newsletters
    • Committee Meeting Minutes
  • Events & Courses
  • Members Section
    • Introduction
    • Apiary Rota
    • Become a Member
    • Membership Renewal
    • Group Purchase Scheme
    • Extractor hire
    • Members Facebook Group
    • Christmas supper
    • Hive Record Card
  • Education & Advice
    • For Beekeepers
    • Children, Youth groups and schools
    • Teachers and Youth group leaders
    • Seasonal Advice
    • LibraryBooks
  • Swarm Collection
  • Contact Us
  • Committee Meeting Minutes