Synuchus impunctatus (Say, 1823)

Bousquet, Yves, 2012, Catalogue of Geadephaga (Coleoptera, Adephaga) of America, north of Mexico, ZooKeys 245, pp. 1-1722 : 728-729

Synuchus impunctatus (Say, 1823)

Feronia impunctata Say, 1823a: 45. Type locality: "Tyngs[boro] [Middlesex County], Mass[achusetts]" (neotype label). Neotype (♂), designated by Lindroth and Freitag (1969: 346), in MCZ [# 33023]. Note. "Germantown [Pennsylvania]" was the area originally cited by Say (1823a: 43).

Pristodactyla americana Dejean, 1828: 83. Type locality: «Amérique septentrionale" (original citation). Holotype [by monotypy] (♂) in MHNP (Lindroth 1955b: 18). Synonymy established by LeConte (1846b: 217), confirmed by Lindroth (1955b: 18).

Pristonychus americanus LeConte, 1844: 52 [secondary homonym of Pristonychus americanus (Dejean, 1828)]. Type locality: «Georgia» (original citation). Syntype(s) location unknown. Synonymy established by Lindroth (1956b: 521, as Pristodactyla corvina ). Note. There is no specimen in LeConte’s collection under the name Calathus impunctatus with an orange disc (= southern states which included Georgia). The specimen with the type label is labeled "[pink disc] / Type 5733 / [blank white square label] / P. corvinusLec. Priston. amer. Lec. var. praec. [handwritten] / impunctatus 11 [handwritten]."

Pristodactyla corvina LeConte, 1846b: 217. Replacement name for Pristodactyla americana (LeConte, 1844).

Pristodactyla impunctata convexa Casey, 1913: 160. Type locality: "Lake Champlain, New York" (original citation). Lectotype (♀), designated by Lindroth (1975: 125), in USNM [# 47560]. Synonymy established by Lindroth (1954b: 137).

Distribution.

This species ranges from Newfoundland (Lindroth 1955a: 115-116) to southwestern British Columbia (Lindroth 1966: 551), south to western Washington (Hatch 1953: 132), northern Idaho (Hatten et al. 2011: 325), eastern Kansas (Cook and Holt 2006: 2313), and northern Georgia (Fattig 1949: 32). The record from southwestern Colorado (Wickham 1902: 238) needs confirmation.

Records.

FRA: PM CAN: AB, BC, MB, NB, NF, NS (CBI), ON, PE, QC, SK USA: CT, DC, DE, GA, IA, ID, IL, IN, KS, KY, MA, MD, ME, MI, MN, MO, ND, NE, NH, NJ, NY, OH, PA, RI, SD, VA, VT, WA, WI, WV [CO]