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American Copper Underwing

This insect, which is one of the commonest moths in the Atlantic Subregion, and ranges westward as far as Colorado, conceals itself under the loose bark of trees during the daytime, and comes forth at night. It sometimes fairly swarms at sugar, and becomes a veritable pest to the collector, who desires rarer things. The caterpillar does a good deal of damage to vegetation. I have recently been annoyed by the ravages inflicted by the larvae in the spring of the year upon the foliage of imported rhododendrons, for which they seem to have a partiality in my garden. They feed freely on a great variety of shrubs and herbaceous plants.