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Published online by Cambridge University Press: 31 May 2012
Anthocoris dimorphicus n. sp. is described and characters are given to distinguish it from A. musculus (Say). Two species, A. confusus Reut. and nemoralis (F.) are recorded for the first time from North America. A. antevolens White, a common species in western North America, is recorded from Ontario, collected in association with galls of Pemphigini aphids on Populus spp.