Parasitic Flies

An evolutionary bug battle is under way in a Mexican coffee field, with an ant chasing away a beetle competing for the same real estate. University of Michigan image.

Predatory Beetles ‘Eavesdrop’ On Ants’ Chemical ‘Conversations’

Predatory beetles can detect the unique alarm signal released by ants that are under attack by parasitic flies, and the beetles use those overheard conversations to guide their search for safe egg-laying sites on coffee bushes.

WWJ Newsradio 950–08/14/2012