Is the Fall Webworm Poisonous?

The worms are about 1 inch long, yellow to greenish, with clumps of hairs all over them. They are fast too. They are not supposed to be able to sting, but some people have claimed to have been stung, usually when squeezing them. So don't worry about them, but don't play with them either.

Are Fall webworms dangerous?

In late summer each year, fall webworms (Hyphantria cunea) become noticeable when they build their highly visible, thick, white webs on the tips of tree branches. Fall webworms are not harmful to otherwise healthy trees, and herbicides are not usually necessary.

What eats fall webworms?

Attract Webworm Predators

Fall webworms and their eggs are often eaten by birds, spiders, assassin bugs, parasitic wasps and beneficial stinkbugs. Attract feathered friends to your yard by placing birdbaths, bird feeders and birdhouses in areas that frequently host webworms.