The eastern tent caterpillar (Malacosoma americanum) is a species of moth in the family Lasiocampidae, the snout moths. It is univoltine, producing one generation per year. It is a tent caterpillar, a social species that forms communal nests in the branches of trees. It is sometimes confused with the gypsy moth and the fall webworm, and may be erroneously referred to as a bagworm, which is the common name applied to unrelated caterpillars in the family...
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