Male crickets in Hawaii softened their chirps once parasitic flies started hunting them. Now, it seems, the flies are homing in on the new tunes.

Research from St. Olaf College and the University of Denver, published in Current Biology, found that a parasitic fly in Hawaii has evolved to eavesdrop on the mating calls of Pacific field crickets.

And cluster flies are parasitic on earthworms. So, if you have a lot of grass around you, you may have cluster flies trying ...

Research from St. Olaf College and the University of Denver, published in Current Biology, found that a parasitic fly in Hawaii has evolved to eavesdrop on the mating calls of Pacific field crickets.