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Bogong moths use a stellar compass for long-distance navigation at night

Capture and care of moths Bogong moths (A. infusa) of both sexes were caught in the wild during their autumn and spring migrations (2019 and 2018) using a LepiLED insect light (www.gunnarbrehm.de), or a vertical beam search light (model GT175, Ammon Luminaire Company), placed in front of a white sheet suspended between two trees. Almost all of the animals were caught near the Mount Selwyn Snowfields (southeast New South Wales, Australia: 35.914° S, 148.444° E; elevation, 1,600 m), which is appr

Topics: fig moth moths sky used

Bogong Moths Are First Bugs Known to Use Stars for Long-Distance Travel

Every spring in the Southern Hemisphere, Bogong moths migrate up to 621 miles (1,000 kilometers) from southeast Australia to spend the summer in cool caves in the Australian Alps. At the beginning of the fall, they fly back to their breeding grounds and die. Each moth undertakes the two-way journey only once in its life—so how does it know where it’s going? A team led by David Dreyer, a visiting research fellow in sensory biology at Lund University, suggests that Bogong moths may use the starry