Isoplastus, Horn, 1880

Peck, Stewart B. & Newton, Alfred F., 2017, An Annotated Catalog of the Leiodidae (Coleoptera) of the Nearctic Region (Continental North America North of Mexico), The Coleopterists Bulletin 71 (2), pp. 211-258 : 239

Genus ISOPLASTUS Horn, 1880

Isoplastus Horn, 1880: 295 . Type species: Isoplastus fossor Horn, 1880 (by monotypy). Revision: Peck and Cook (2013b). Distribution. E Nearctic, Mexico, Dominican

Republic (3–4 species).

I. floridanus Peck and Cook, 2013b: 8 . Holotype male in CMNC. Type locality: Archbold Biological Station , Lake Placid , Highlands County, Florida. North American distribution: USA: FL (peninsular Florida only).

I. fossor Horn, 1880: 295 ; Brown 1937a: 174; Daffner 1989: 302; Peck and Cook 2013b: 7. Lectotype male in MCZC (designated by Daffner 1989: 302). Type locality: District of Columbia. North American distribution: Canada: ON, QC. USA: AL, AR, AZ, DC, FL, GA, IN, KY, LA, MI, MS, NC, OK, SC, TX, VA. Extra-limital distribution: Mexico?

= I. uncus Wheeler, 1977b: 77 ; Daffner 1989: 302 (synonymy). Holotype male in MCZC. Type locality: Fortin de las Flores, Veracruz, Mexico. Note. The question of synonymy needs re-

examination (Peck and Cook 2013b).