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 Leistus Froelich , 1799 Leistus Froelich , 1799: 9. Type species: Leistus testaceus Froelich , 1799 (= Carabus ferrugineus Linnaeus, 1758) designated by Daniel (1903: 171). Diversity. About 40 Palaearctic species of which one is adventive in North America. Identification . Larson (1978: 307-308) discussed the structural differences between the adventive species in North America and the three native species of the subgenus Neoleistus .