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 Scaphinotus ridingsii monongahelae Leng, 1917 Scaphinotus ridingsii monongahelae Leng, 1917: 36. Type locality: "Uniontown [Fayette County], P[ennsylvani]a" (original citation). Holotype (♂) in CAS [# 4373]. Irichroa tenuiceps Casey, 1920: 172. Type locality: "Uniontown [Fayette County], Pennsylvania" (original citation). Four syntypes in USNM [# 46010]. Synonymy established by Lapouge (1933: 690). Distribution. This subspecies is known from the Appalachian Plateau in southwestern Pennsylvania and the Allegheny Mountains in West Virginia (Barr 1969: 75), western Virginia (CMNH), and northwestern Maryland (Bailey et al. 1994: 320). Records. USA : MD, PA, VA, WV