Agonum nigriceps LeConte, 1846

Bousquet, Yves, 2012, Catalogue of Geadephaga (Coleoptera, Adephaga) of America, north of Mexico, ZooKeys 245, pp. 1-1722 : 746

Agonum nigriceps LeConte, 1846

Agonum nigriceps LeConte, 1846b: 229. Type locality: "Lacum Superiorem" (original citation), herein restricted to Eagle Harbor, Keweenaw County, Michigan (see LeConte 1854b: 54). One syntype in MCZ [# 5789].

Platynomicrus fragilissimus Casey, 1920: 92. Type locality: "Toronto [Ontario]" (original citation). Lectotype (♂), designated by Lindroth (1975: 127), in USNM [# 47517]. Synonymy established by Lindroth (1954b: 139).

Distribution.

This Holarctic species is known from the Kamchatka Peninsula (Lindroth 1966: 584) and from Alaska (Lindroth 1966: 584) to Newfoundland (Lindroth 1955a: 129), south to northern New Hampshire (Coos County, Donald S. Chandler pers. comm. 2008), southeastern Michigan (Oakland County, UMAA), “Iowa” (Lindroth 1966: 584), east-central South Dakota (Brookings County, MCZ), east-central Colorado (Kiowa County, Foster F. Purrington pers. comm. 2010), “Idaho” (Lindroth 1966: 584), and northern Washington (Okanogan County, UASM). The record from “Pennsylvania” (Bousquet and Larochelle 1993: 255) needs confirmation.

Records.

CAN: AB, BC, MB, NB, NF, NT, ON, PE, QC, SK, YT USA: AK, CO, IA, ID, IL, ME, MI, MN, MT, ND, NH, NY, SD, WA, WI, WY [PA] - Holarctic