News ID: 219302
Published: 1254 GMT August 04, 2018

Older bees influence younger bees to fan wings, cool hive

Older bees influence younger bees to fan wings, cool hive
Bee fanning behavior is socially learned and promoted through individual interactions and group dynamics. (PHOTO BY UC-BOULDER)

To keep bee hives cool, honey bees fan their wings to promote circulation. New research suggested the behavior is socially influenced.

Previous research showed groups of bees are more likely to fan their wings. The newest study revealed the individual interactions that promote group behavior, UPI wrote.

Observations showed older, more experienced worker bees encourage younger nurse bees to fan their wings. Scientists found older bees had the greatest influence on younger bees when they were the first to fan in a group.

Researcher Rachael Kaspar said in a news release, "The older workers are definitely influencing the younger nurse bees. I was interested in how different age groups socially interacted, what are the variances between age groups and how are they interacting to have a proper homeostatic response to environmental stressors."

Kaspar is now a professional research assistant in the department of anesthesiology at the University of Colorado's Anschutz Medical Campus. She studied bee fanning behavior while an undergraduate at the University of Colorado, Boulder.

If temperatures inside a beehive rise above 96.8˚F, bee larvae can die. The hive's long-term health depends on fanning behavior.

The research — published in the journal Animal Behavior — offered a reminder that behind group behaviors are myriad individual interactions. These interactions add up to produce a variety of social phenomena.

To understand these interactions, scientists had to keep track of who was who inside the hive. Water soluble paints helped researchers track individual bees.

Scientists claim the dynamic is similar to those that inspire fanning behavior among some of Earth's most intelligent species — elephants, chimpanzees and humans.

"You would think that bees as insects wouldn't have the capability to learn, remember or have these social influences," Kaspar said. "But, in fact, they do. Bees are a great model to use for studying other societies, like us."

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