Invasive Species Ctr on X: "We don't know why this species is so social but we know that there are a lot of them. Tent caterpillars are native to North America and
Eastern Tent Caterpillar Moth
Eastern Tent Caterpillar Moth | Missouri Department of Conservation
Eastern Tent Caterpillar Moth Malacosoma americanum (Fabricius, 1793) | Butterflies and Moths of North America
Tent Caterpillar Moths
Tent caterpillar - Wikipedia
Is it Spongy Moth (Lymantria dispar)? – Spongy Moth (Lymantria dispar) in Wisconsin