Fall Web Worms

Identification Fall webworm nests: are composed of silky threads wrapped around the leaves and branches encapsulating the caterpillars. The nests are loosely constructed and messy looking, occurring at the branch tips, and enlarging as food runs out. Large colonies can encapsulate an entire tree in their webbing. The caterpillars feed inside the nest (unlike tent caterpillars) and as such the nest is full of frass … Continue reading Fall Web Worms