Invasive asexual midges may upset Antarctica’s delicate moss banks

The flightless insects’ waste may alter a nutrient-sparse world

a photo of a flightless midge

ANTARCTIC ALIEN  An all-female species of flightless midge (one shown) invaded an Antarctic island, binging on debris as no natives do. The intruder might shake up an old mossy world.

Roger Key

Some of the scariest poop in Antarctica comes from an all-female invader species about the size of an ant.