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 Subgenus Actedium Motschulsky, 1864 Actedium Motschulsky, 1864: 182. Type species: Bembidium kuesteri Schaum, 1845 designated by Dallas (1866: 426). Etymology. From the Greek acte (seashore, coastal) and the suffix - idion (little), alluding to the habitat where the two small carabid species in the hands of Motschulsky were found (" les especes vivent sur le bord de la mer ") [neuter]. Diversity. Northern Hemisphere, with five species in the Nearctic (one species) and Palaearctic (four European and northern African species, one of them endemic to the Canary Islands) Regions . Identification. Lindroth (1963b: 265) treated the North American species.