Wasps and bumble bees heat up, fly faster with protein-rich food

Thursday, July 10, 2008 - 18:56 in Earth & Climate

Megan Eckles lures yellowjacket wasps with protein-rich bait. Good pollen makes bees hot, biologists at UC San Diego have found. Wasps warm up too when they find protein-rich meat, a separate experiment has shown.

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