Synonyms for Malacosoma Disstria (same or very similar meaning)
WordNet sense 1 (larvae of a gregarious North American moth that spins a carpet rather than a tent; serious defoliator of deciduous trees):
forest tent caterpillarWordNet sense 2 (moth whose gregarious larvae spin carpets):
tent-caterpillar mothFrom the ODE community, based on WordNetadd/edit