Pterostichus similis Mannerheim, 1852

Bousquet, Yves, 2012, Catalogue of Geadephaga (Coleoptera, Adephaga) of America, north of Mexico, ZooKeys 245, pp. 1-1722 : 549

Pterostichus similis Mannerheim, 1852

Pterostichus similis Mannerheim, 1852: 296. Type locality: "insula St. Georgii [Pribilof Islands, Alaska]" (original citation). Lectotype (♂), designated by Ball (1966a: 53), in ZMH.

Cryobius quadricollis Mannerheim, 1853: 133. Type locality: "insula St. Georgii [Pribilof Islands, Alaska]" (original citation). Holotype [by monotypy] probably in ZILR. Synonymy established by LeConte (1873a: 310).

Distribution.

This species is found from eastern Siberia to the Dempster Highway in Yukon Territory (UASM), including several islands of the Bering Sea [see Ball 1963: Fig. 4].

Records.

CAN: YT USA: AK - Holarctic

Note.

Matthews (1974b: 1365) remarked that some specimens of this species have anomalous male genitalia. He interpreted this condition as either Pterostichus similis "is dimorphic in certain genital characters" or that it "includes two species" as currently defined.