| Noun | 1. | Malacosoma disstria - larvae of a gregarious North American moth that spins a web resembling a carpet rather than a tent; serious defoliator of deciduous treestent caterpillar - the larvae of moths that build and live in communal silken webs in orchard and shade trees |
| 2. | Malacosoma disstria - moth whose gregarious larvae spin webs resembling carpetslasiocampid, lasiocampid moth - medium-sized stout-bodied neutral-colored moths with comb-like antennae genus Malacosoma, Malacosoma - tent caterpillars |