Platynus decentis (Say, 1823)

Bousquet, Yves, 2012, Catalogue of Geadephaga (Coleoptera, Adephaga) of America, north of Mexico, ZooKeys 245, pp. 1-1722 : 774

Platynus decentis (Say, 1823)

Feronia decentis Say, 1823a: 53. Type locality: "Marion [Plymouth County], Mass[achusetts]" (neotype label). Neotype (♀), designated by Lindroth and Freitag (1969: 346), in MCZ [# 33020]. Note. The specific name derives from the Latin adjective decens, - entis (decent, proper). All authors seen, starting with LeConte (1850: 205), have used the spelling decens (nominative singular) until Lindroth (1966: 636) returned to the spelling decentis (genitive singular). Although the ICZN (1999: Article 11.9.1.1) mandates that a Latin adjective is to be proposed in the nominative singular, it could be argued in this case that the adjective is used in a nominal form and so can be formulated in the genitive case (Miguel A. Alonso-Zarazaga pers. comm. 2012).

Anchomenus gagates Dejean, 1828: 107. Type locality: «Amérique septentrionale" (original citation). One syntype in MHNP (Lindroth 1955b: 19). Synonymy established by Dejean (1828: 107), confirmed by Lindroth (1955b: 19).

Anchomenus sinuatus Dejean, 1828: 108. Type locality: «Amérique septentrionale" (original citation), restricted to "Bethel [Oxford County], Maine" by Lindroth (1966: 636). One syntype in MHNP (Lindroth 1955b: 19). Synonymy established by Lindroth (1955b: 118).

Anchomenus depressus Haldeman, 1843b: 299. Type locality: southeastern Pennsylvania (Haldeman 1843a: 296). Syntype(s) presumably lost. Synonymy established, under the name Platynus sinuatus (Dejean), by LeConte (1879b: 54).

Anchomenus coracinus LeConte, 1846b: 220. Type locality: "NovEboraci [= New York]" (original citation). Syntype(s) in MCZ [# 5741]. Synonymy established by LeConte (1854b: 44), confirmed by Lindroth (1966: 636). Note. The specimen in the LeConte collection with the type label is also labeled “S.C.” and is probably not a syntype. Two other specimens in LeConte’s collection have pink labels (e.g., middle states, which included New York) and are probably syntypes.

Anchomenus oblongipennis Casey, 1920: 31. Type locality: "Marquette [Marquette County, Michigan], Lake Superior" (original citation). Lectotype (♀), designated by Lindroth (1975: 130), in USNM [# 47402]. Synonymy established by Lindroth (1966: 636).

Anchomenus turbidus Casey, 1920: 32. Type locality: "Bayfield [Bayfield County, Wisconsin], Lake Superior" (original citation for the lectotype). Lectotype (♂), designated by Lindroth (1975: 130), in USNM [47403]. Synonymy established by Lindroth (1966: 636).

Anchomenus iowanus Casey, 1920: 32. Type locality: "Iowa City [Johnson County], Iowa" (original citation). Lectotype (♀), designated by Lindroth (1975: 130), in USNM [# 47401]. Synonymy established by Lindroth (1966: 636).

Anchomenus aleneanus Casey, 1920: 36. Type locality: "Coeur d’Alene [Kootenai County], Idaho" (original citation). Lectotype (♀), designated by Lindroth (1975: 130), in USNM [# 47407]. Synonymy established by Hatch (1953: 135), confirmed by Lindroth (1966: 636).

Anchomenus pacatus Casey, 1920: 43. Type locality: "Peaceful Valley [Boulder County], Colorado" (original citation). Lectotype (♀), designated by Lindroth (1975: 130), in USNM [# 47416]. Synonymy established by Lindroth (1966: 636).

Anchomenus missourianus Casey, 1924: 81. Type locality: "Westminster [= probably Westminster College in Fulton, Callaway County], Missouri" (original citation). Lectotype (♀), designated by Lindroth (1975: 130), in USNM [# 47399]. Synonymy established by Lindroth (1966: 636).

Anchomenus albertanus Casey, 1924: 81. Type locality: "Edmonton, Alberta" (original citation). Lectotype (♀), designated by Lindroth (1975: 130), in USNM [# 47400]. Synonymy established by Lindroth (1966: 636).

Distribution.

This species ranges from Newfoundland (Lindroth 1955a: 118, as Agonum sinuatum ) to south-central British Columbia (Lindroth 1966: 637), north to the coast of southern Alaska (Lindroth 1969a: 1120), south to western Oregon (Hatch 1953: 135), the Sangre de Cristo Mountains in New Mexico (Fall and Cockerell 1907: 159; Lindroth 1955a: 118), northeastern Kansas (Knaus 1901: 110; Ottawa County, CNC), east-central Alabama (Lee County, CNC), and southern Georgia (Torres and Ruberson 2006: 32). The records from “Louisiana” and “Texas” (Bousquet and Larochelle 1993: 262) need confirmation.

Records.

FRA: PM CAN: AB, BC, LB, MB, NB, NF, NS (CBI), NT, ON, PE, QC, SK USA: AK, AL, AR, CO, CT, DC, DE, GA, IA, ID, IL, IN, KS, KY, MA, MD, ME, MI, MN, MO, MS, MT, NC, ND, NE, NH, NJ, NM, NY, OH, OR, PA, RI, SC, SD, TN, UT, VA, VT, WA, WI, WV, WY [LA, TX]