Plochionus (Menidius), Chaudoir, 1872

Bousquet, Yves, 2012, Catalogue of Geadephaga (Coleoptera, Adephaga) of America, north of Mexico, ZooKeys 245, pp. 1-1722 : 826

Subgenus Menidius Chaudoir, 1872

Menidius Chaudoir, 1872b: 170. Type species: Plochionus timidus Haldeman, 1843 designated by Lindroth (1969a: 1066). Etymology (original). From the Greek mene (moon) and eidos (form), alluding to the semicircular (i.e., half-moon) shape of the pronotum (" thorax ... fere semicircularis ") of the adult [masculine].

Diversity.

Fourteen species in the temperate, subtropical, and tropical areas of the Nearctic (four species, all of them extending into the West Indies or Mexico) and Neotropical Regions.