Jeffery Pettis

Jeffery Stuart Pettis is an American born biologist and entomologist known for his extensive research on honeybee behavior. He is currently the research leader at the United States Department of Agricultures Beltsville Bee Laboratory . His research has led to significant breakthroughs in understanding and managing CCD, a primary cause of North American bee population decline. He is also known for discovering with Dennis vanEngelsdorp of Pennsylvania State University the ability of bees to detect pesticides and harmful fungi in collected pollen and subsequently quarantine the harmful substances from the rest of the hive. His research has also studied the synergistic effects of Imidacloprid on bees, an insecticide derived from nicotine which has been shown to cause CCD.

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Source: Wikipedia