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 ...

What causes those conical divots in the soft, dry soil beneath large conifers in the mountains and at the bases of cliffs on the Colorado Plateau? They presented a mystery when I first noticed them, ...

What causes those conical divots in the soft, dry soil beneath large conifers in the mountains and at the bases of cliffs on the Colorado Plateau? They presented a mystery when I first noticed them, ...

Antlions or doodlebugs (Myrmeleon immaculatus) are tiny insect larvae that dig funnel-shaped pits in sandy soil in areas protected from wind and direct rainfall. If you have a sharp eye, you can find ...