Tiger beetles may weaponize ultrasound against bats
The insects mimic the noises of toxic moths. It may be a defense against hungry bats
A Williston's tiger beetle (Cicindela willistoni) takes flight in the laboratory, tethered in place. When bats are near, some of its nocturnal relatives create ultrasonic clicks as the hindwings strike the hard, shell-like forewings.
Geena Hill/University of Florida