Alabama argillacea, the cotton leafworm or cotton worm, is a moth of the family Erebidae. It is native to the New World, but has been extirpated from the United States and Canada, having not been recorded since 1998. In the Neotropics, it can be found from Mexico to northern Argentina. The larva is considered a pest of cotton. They feed on the leaves, twigs, and buds.

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