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Calosoma sycophanta (Linnaeus). This species is one of only two intentionally introduced carabids in North America that became established on this continent, the other one being Carabus auratus. These species were introduced for the biological control of the gypsy moth, Lymantria dispar, and the browntail moth, Euproctis chrysorrhoea. Since its release in the vicinity of Boston in 1906-1907, Calosoma sycophanta has spread to southern Maine and to West Virginia.
