Tiger moths, a group of some 11,000 species, have been intriguing candidates because they present a puzzle in battlefield behavior. “There was some tantalizing neurophysiological work.” But to collect behavioral evidence to demonstrate jamming, he said, takes the right moth. “This is warfare … The first counter-adaptation is that the insects developed ears.”īiologists have debated the possibility that moths could also evolve sounds that sabotage bat sonar. Insect-hunting bats and their moth prey have become a classic in the study of evolutionary arms races, Conner says. Conference attendee David Yager of the University of Maryland in College Park says Conner’s experimental paradigm is “very strong, and I do think he has documented jamming by a species of moth.”
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