Agonum placidum (Say, 1823)

Bousquet, Yves, 2012, Catalogue of Geadephaga (Coleoptera, Adephaga) of America, north of Mexico, ZooKeys 245, pp. 1-1722 : 754-755

Agonum placidum (Say, 1823)

Feronia placida Say, 1823a: 43. Type locality: "Dorchester [Suffolk County], Mass[achusetts]" (neotype label). Neotype (♀), designated by Lindroth and Freitag (1969: 348), in MCZ [# 33012].

Agonum morosum Dejean, 1828: 145. Type locality: «Amérique septentrionale" (original citation). One syntype in MHNP (Lindroth 1955b: 21). Synonymy established by LeConte (1854b: 55), confirmed by Lindroth (1966: 613).

Agonum alcyoneum Chaudoir, 1837b: 24. Type locality: «Mexique» (original citation), restricted to "Amecameca, Mexico state" by Liebherr (1991a: 119). Lectotype (♂), designated by Liebherr (1991a: 119), in MHNP. Synonymy established by Liebherr (1991a: 119).

Anchomenus transpunctatus Bates, 1878a: 593. Type locality: "near the capital, Mexico" (original citation). Syntype(s) probably in BMNH. Synonymy established by Bates (1882a: 94).

Agonum placidum amplior Casey, 1920: 124. Type locality: "Boulder Co[unty], Colorado" (original citation for the lectotype). Lectotype (♀), designated by Lindroth (1975: 128), in USNM [# 47491]. Synonymy established by Lindroth (1966: 613).

Agonum placidum aztecanum Casey, 1920: 124. Type locality: "Amecameca [ México], Mexico" (original citation). Lectotype (♀), designated by Lindroth (1975: 128), in USNM [# 47492]. Synonymy established by Lindroth (1966: 613).

Agonum placidum citatum Casey, 1920: 124. Type locality: "New Hampshire" (original citation). Lectotype (♂), designated by Lindroth (1975: 128), in USNM [# 47494]. Synonymy established by Lindroth (1966: 613).

Agonum rhodeanum Casey, 1924: 84. Type locality: "Rhode Island" (original citation). Lectotype (♂), designated by Lindroth (1975: 128), in USNM [# 47490]. Synonymy established by Lindroth (1966: 613).

Distribution.

This widely distributed species ranges from Newfoundland (Lindroth 1955a: 120; Larson and Langor 1982: 594) to western British Columbia (Lindroth 1966: 614), south to Inyo County in California, the Sierra de Miahuatlán in Oaxaca (Liebherr 1994: 32), and northern Georgia (Fattig 1949: 34).

Records.

CAN: AB, BC, LB, MB, NB, NF, NS (CBI), ON, PE, QC, SK USA: AR, AZ, CA, 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, SD, TN, TX, UT, VA, VT, WA, WI, WV, WY - Mexico