First, robber flies track beetles using tiny microbursts of movement.
This article was originally featured on The Conversation. April in the Florida Panhandle. It was hot, humid, and a thunderstorm was lurking. But as a fresh graduate student, I was relieved for the escape from my first brutal Minnesota winter. I was accompanying my adviser, Paloma Gonzalez-Bellido, on a project that would end up dominating my Ph.D. work. Out in the scrubland, my eyes darted at every movement, on the alert for an insect that likes shiny beads.
Laphria tracked the lights with keen interest only when they flashed at the same frequency at which beetles flapped their wings. But even as our initial experiments began confirming the hypothesis, a new puzzle presented itself. How do the flies accurately track their prey? Unique strategy to track and identify Before they give chase, all visual predators, including laphria, need to accurately track their prey’s movements.
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