If you've ever seen small, cone-shaped pits in fine soil or sand, you've likely found an antlion trap. These pit-building insect larvae hide beneath the surface, waiting to ambush ants and other small ...

An antlion (Euroleon nostras) waits in its sand pit for prey insects that fall or run into the funnel. Normally you can only see its sickle-like pincers sticking out of the sand. The larvae of ...