
Crickets and flies face off in a quiet evolutionary battle
Hawaii’s male crickets can’t hide from their buzzing boogeymen for long. In just a handful of years, cricket-killing parasitic flies have evolved hearing that’s more sensitive to their prey’s new, covert love songs, researchers report February 20 in Current Biology. The nocturnal fly Ormia ochracea lays its eggs on crickets, which hatch into larvae that…