Catalogue of Geadephaga (Coleoptera, Adephaga) of America, north of Mexico Author Bousquet, Yves Agriculture and Agri-Food Canada, Central Experimental Farm, Ottawa, Ontario, Canada bousquety1@yahoo.com text ZooKeys 2012 2012-11-28 245 1 1722 http://dx.doi.org/10.3897/zookeys.245.3416 journal article http://dx.doi.org/10.3897/zookeys.245.3416 1313-2970-245-1 FFFF52503A0AFF882450FFB66D45FF8E 578462 Agonum mutatum (Gemminger and Harold, 1868) Platynus atratus LeConte, 1850: 205 [secondary homonym of Platynus atratus (Duftschmid, 1812)]. Type locality: Lake Superior (inferred from title of the paper), cited from the "northern shore of Lake Superior" by LeConte (1854b: 49), herein restricted to Marquette, Marquette County, Michigan (see Hubbard and Schwarz 1878: 628, as Platynus mutatus ). Two syntypes in MCZ [# 5762]. Platynus mutatus Gemminger and Harold, 1868a: 374. Replacement name for Platynus atratus LeConte, 1850. Distribution. This species is found from Newfoundland (Lindroth 1955a: 124) to British Columbia, north to east-central Alaska (Lindroth 1966: 601), south to west-central Washington (Lindroth 1966: 601), northwestern Montana (Russell 1968: 64), central Indiana (Downie 1957: 116; Schrock 1985: 343), and eastern South Carolina (Kirk 1969: 11; Ciegler 2000: 112). Records. CAN : AB, BC, LB, MB, NB, NF, NS (CBI), NT, ON, PE, QC, SK USA : AK, CT, DE, IA, IN, MA, ME, MI, MN, MT, NC, NH, NJ, NY, OH, PA, RI, SC, VT, WA, WI, WV