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 neocoerulescens Bousquet, 1993 Bembidium coerulescens Van Dyke, 1926a: 65 [primary homonym of Bembidion andreae coerulescens Dalla Torre, 1877]. Type locality: "Niles Canon , Alameda County, California" (original citation). Holotype (♂) in CAS [# 1818]. Note. Even if it is obvious that infrasubspecific rank was meant when Dalla Torre (1877: 56) proposed his Bembidion andreae coerulescens (see Lindroth 1963b: 271, footnote), the fact that Csiki (1928: 163) and Van Dyke (1949b: 56) treated Dalla Torre's name as a senior homonym makes the name subspecific from the date of its establishment (ICZN 1999: Article 45.6.4.1). Bembidion van dykei Csiki, 1928: 163 [primary homonym of Bembidion vandykei Blaisdell, 1902]. Replacement name for Bembidion coerulescens Van Dyke, 1926. Bembidion umbraticola Van Dyke, 1949b: 56 [primary homonym of Bembidion umbraticola Casey, 1918]. Replacement name for Bembidion coerulescens Van Dyke, 1926. Bembidion neocoerulescens Bousquet [in Bousquet and Larochelle], 1993: 9. Replacement name for Bembidion coerulescens Van Dyke, 1926. Distribution. This species is known yet only from the San Francisco Bay area in California. Records. USA : CA