Who is who? A stinging wasp (Polybia sp., middle) and two harmless day-active moths (both Pseudosphex laticincta) with near-perfect mimicry. Researchers in Germany and England have proposed that the moths evolved such mimicry to avoid not only predators such as birds or amphibians but also to avoid predation via the very wasps they imitate. (Photo credit: Hannes Freitag, Michael Boppré, Ph.D.)