The insects flying in circles around your porch light aren’t captivated by the light. Instead, they may have lost track of which way is up, high-speed infrared camera data suggest.
Moths and other insects naturally turn their backs toward light. But when insects turn their backs on artificial light sources, their sense of direction seems to go topsy-turvy, researchers report January 30 in Nature Communications. The insects may lose track of where the ground is, leaving them flying in circles or diving toward the ground.
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