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 Bembidion hesperium Fall, 1910 Bembidium hesperium Fall, 1910: 95 (as hesperum ). Type locality: "Vancouver Island [British Columbia]" (original citation), herein restricted to Duncan (CNC). Holotype (♂) in MCZ [# 23862]. Note. The name Bembidion hesperium has been credited to Casey (1918: 9) by some authors on the basis that Casey proposed a replacement name for Bembidium hesperum Fall, 1910, supposedly a junior primary homonym of Bembidion hesperus Crotch, 1867. In fact, Casey (1918) emended Fall's name to Bembidion hesperium since the name Bembidion hesperum is an incorrect latinization for Bembidion hesperium (adjective) or Bembidion hesperus (noun in apposition). Casey's emendation is currently in prevailing usage and so deemed to be a justified emendation (ICZN 1999: Article 33.2.3.1). Bembidion binarium Casey, 1918: 9. Type locality: "California" (original citation). Lectotype (♂), designated by Lindroth (1975: 115), in USNM [# 36796]. Synonymy established by Lindroth (1962: 8). Distribution. This western species ranges from southeastern British Columbia to Vancouver Island, south to east-central California [see Maddison 1993: Fig. 269]. Records. CAN : BC (VCI) USA : CA, OR, WA