Chlaenius alternatus Horn, 1871

Bousquet, Yves, 2012, Catalogue of Geadephaga (Coleoptera, Adephaga) of America, north of Mexico, ZooKeys 245, pp. 1-1722 : 623

Chlaenius alternatus Horn, 1871

Chlaenius alternatus G.H. Horn, 1871: 327. Type locality: "Saskatchewan region" (original citation), herein restricted to Meota, Saskatchewan (CNC). Holotype [by monotypy] (♂) in MCZ [# 34534].

Chlaenius albertanus Casey, 1924: 93. Type locality: "Edmonton, Alberta" (original citation). Lectotype (♀), designated by Lindroth (1975: 144), in USNM [# 47716]. Synonymy established by Bell (1960: 134).

Distribution.

This species ranges from Newfoundland (Larson and Langor 1982: 594) to central Alaska (Lindroth 1969a: 993), south to northeastern Washington (Hatch 1953: 162), central Colorado along the Rocky Mountains, western South Dakota (Meade County, Foster F. Purrington pers. comm. 2010), and eastern Minnesota (Bell 1960: 134). The species is unknown east of the Mississippi south of the Canadian border. Fossil remnants of this species, dated between about 16,700 and 25,200 years B.P., have been unearthed in southeastern Iowa (Baker et al. 1986: 96) and southeastern Illinois (Schwert 1992: 78).

Records.

CAN: AB, BC, MB, NB, NF, NS, NT, ON, QC, SK USA: AK, CO, MN, MT, ND, SD, WA, WY