Dicheirus piceus ( Menetries , 1843)

Bousquet, Yves, 2012, Catalogue of Geadephaga (Coleoptera, Adephaga) of America, north of Mexico, ZooKeys 245, pp. 1-1722 : 656-657

Dicheirus piceus ( Menetries, 1843)

Harpalus piceus Ménétriés, 1843: 61. Type locality: «Californie» (original citation), herein restricted to Blocksburg, Humboldt County (see Noonan 1968: 290). One syntype in ZMH (collection Mannerheim) (Silfverberg 1987: 22).

Dicheirus villosus Motschulsky, 1845b: 344. Type locality: «Californie» (original citation). Holotype [by monotypy] probably in ZMMU (collection Eschscholtz). Synonymy established by Horn (1880d: 177).

Dicheirus irregularis Motschulsky, 1845b: 345. Type locality not stated; «Calif[ornia]» reported by Motschulsky (1869: 14). Holotype [by monotypy] probably in ZMMU (collection Eschscholtz). Synonymy established by Horn (1880d: 177).

Dicheirus paralellus LeConte, 1851: 184. Type locality: "S[an] D[iego] [San Diego County, California]" (lectotype label). Lectotype (♀), designated by Noonan (1968: 291), in MCZ [# 92]. Synonymy established by LeConte (1858a: 29), confirmed by Noonan (1968: 288).

Dicheirus alutaceus Casey, 1914: 200. Type locality: "Valley of Eel River, Humboldt Co[unty], California" (original citation). Lectotype (♀), designated by Lindroth (1975: 142), in USNM [# 47953]. Synonymy established by Noonan (1968: 288).

Dicheirus piceus rupimontis Casey, 1914: 200. Type locality: «Utah» (original citation). One syntype in USNM [# 47955]. Synonymy established by Noonan (1968: 288).

Dicheirus piceus angustulus Casey, 1914: 200. Type locality: "Trinity River and Redwood Creek, Humboldt Co[unty], California" (original citation). Two syntypes in USNM [# 47956]. Synonymy established by Noonan (1968: 288).

Dicheirus australinus Casey, 1914: 201. Type locality: "San Diego and San Clemente Island, California" (original citation). Fifteen syntypes [15 originally cited] in USNM [# 47960]. Synonymy established by Noonan (1968: 288).

Dicheirus australinus insularis Casey, 1914: 201. Type locality: "Guadalupe Island" (original citation). Fifteen syntypes [15 originally cited] in USNM [# 47961]. Synonymy established by Noonan (1968: 288).

Dicheirus decoloratus Casey, 1914: 201. Type locality: «Arizona» (original citation). Holotype [by monotypy] (♂) in USNM [# 47957]. Synonymy established by Noonan (1968: 288).

Dicheirus incidens Casey, 1924: 134. Type locality: "Columbia River [Clatsop County], Oregon" (original citation). Three syntypes [3 originally cited] in USNM [# 47954]. Synonymy established by Hatch (1953: 177), confirmed by Noonan (1968: 288).

Dicheirus facilis Casey, 1924: 135. Type locality: "Columbia River [Clatsop County], Oregon" (original citation). Two syntypes [2 ♀ originally cited] in USNM [# 47959]. Synonymy established by Hatch (1953: 177), confirmed by Noonan (1968: 288).

Dicheirus sodalis Casey, 1924: 135. Type locality: "Wawawai [Whitman County], Washington" (original citation). Holotype [by monotypy] (♀) in USNM [# 47958]. Synonymy established by Hatch (1953: 177), confirmed by Noonan (1968: 289).

Distribution.

This species ranges from Vancouver Island to northwestern Montana (Russell 1968: 67), south to northwestern Utah and the Mexican border in California [see Noonan 1968: Fig. 18]; also recorded from Guadalupe Island in the Pacific (Noonan 1968: 289).

Records.

CAN: BC (VCI) USA: AZ, CA (CHI), ID, MT, OR, UT, WA - Mexico