The Larva That Builds Its Own Trap Door and Springs Like a Jack-in-the-Box
I’ve knelt beside sandy riverbanks and seen nothing but a tidy pinhole in the ground – until the surface suddenly twitched, and a small predator exploded upward like a spring toy. That “nothing” is a larval tiger beetle’s doorway, a living plug that seals a vertical burrow until the right footstep rattles the soil. This ...
