Carabus truncaticollis, the blunt-collared worm and slug hunter, is a species of beetle from the family Carabidae found in Russia and the eastern Palearctic realm. In eastern Asia, the species ranges from Siberia south to Mongolia; it is also found in North America in NW Canada, and Alaska. The species is found in mesic tundra environments, such as moist meadows.Lindroth, C. H., 1961: The Ground-Beetles (Carabidae, excl. Cicindelinae) of Canada and Alaska, Part 2, p. 40; Opuscula Entomologica, Supplementum XX.
Subspecies Carabus truncaticollis truncaticollis (USA, Canada, Russia, Mongolia, Alaska) Carabus truncaticollis degeneratus J.R.Sahlberg, 1885 (Russia) Carabus truncaticollis dorogostaiskianus Deuve & Imura, 1992 (Russia) Carabus truncaticollis fleischeri Reitter, 1898 (Russia, Mongolia) Carabus truncaticollis kodaricola Deuve in Deuve & Mourzine, 1998 (Russia) Carabus truncaticollis tungusensis Obydov, 2010 (Russia) Carabus truncaticollis uczugeicus Obydov, 2009 (Russia)
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