malacosoma disstria

(noun) larvae of a gregarious North American moth that spins a web resembling a carpet rather than a tent; serious defoliator of deciduous trees. Synonyms: forest tent caterpillar, Malacosoma disstria.

(noun) moth whose gregarious larvae spin webs resembling carpets. Synonyms: tent-caterpillar moth, Malacosoma disstria.