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Contact: Lee Siegel
University of Utah

A Moth Warms Up

Caption: These images from an infrared video show a moth's increasing temperature -- turning from purple to red to orange and yellow -- as it shivers to warm up its flight muscles. A University of Utah study found that when naive male moths are exposed to female sex attractant, they start shivering faster to warm up, but then take off prematurely before they can attain maximum flight power.

Credit: Josť Crespo, University of Utah

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