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 Tachys spadix Casey, 1918 Tachys spadix Casey, 1918: 202. Type locality: "El Paso [El Paso County], Texas" (original citation). Holotype [by monotypy] (♂) in USNM [# 46950]. Tachys laxicollis Casey, 1918: 202. Type locality: "Houston [Harris County], Texas" (original citation). Holotype [by monotypy] (♀) in USNM [# 46951]. Synonymy established by Erwin (1974a: 142). Distribution. This species is known only from east-central and westernmost Texas (Casey 1918: 202). Records. USA : TX