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 Odontium LeConte, 1847 Odontium LeConte, 1847: 452. Type species: Bembidium coxendix Say, 1823 designated by Jeannel (1941b: 542). Etymology. From the Greek odontos (tooth), alluding to the mentum tooth (" mentum dente longissimo, convexo, subobtuso ") of the adult [neuter]. Ocys Gistel, 1848a: xi [junior homonym of Ocys Stephens, 1828]. Type species: Elaphrus striatus Fabricius, 1792 by monotypy. Synonymy established by Bousquet (2002b: 35). Etymology. From the Geek ocys (swift, quick) [masculine]. Cylindrobracteon Netolitzky, 1939: 7, 16. Type species: Bembidion fusiforme Netolitzky, 1914 by original designation. Synonymy established by Maddison (1993: 160). Etymology. From the Greek cylindros (roller, cylinder) and the generic name Bracteon [ q.v .] [neuter]. Diversity . Twenty-three species in the Nearctic (ten species), Neotropical (one species also present in southern Arizona), Palaearctic (12 species), and Oriental (one species, Bembidion subfusum Darlington, in the Philippines) Regions. Identification. Lindroth (1963b: 241-246, as bowditchi and coxendix groups) treated all the species found in North America, Bembidion durangoense under the name Bembidion arizonae . One species, Bembidion paraenulum , was subsequently described.