Everything Else . A common North American species, also found in Europe, is also called a scorpion fly. It is only two and a half millimeters long.
Wings are vestigial or missing, and it resembles a grasshopper nymph.
A tiny wingless springtail, Achorutes nivicola, also swarms on snow around the world, even in Anatarctica. A springlike mechanism on the abdomen allow it to leap dozens of times its own length. A stonefly that emerges in late winter is also sometimes called a snow flea. New questions are answered on the site every Tuesday and Thursday.