Dicheirotrichus Jacquelin du Val, 1855

Bousquet, Yves, 2012, Catalogue of Geadephaga (Coleoptera, Adephaga) of America, north of Mexico, ZooKeys 245, pp. 1-1722 : 677

Genus Dicheirotrichus Jacquelin du Val, 1855

Dicheirotrichus Jacquelin du Val, 1855: 35, 65. Type species: Harpalus obsoletus Dejean, 1829 by original designation. Etymology (original). From the Greek dis (twice), cheiros (hand), and trichos (hair) [masculine].

Dichirotrichus Gemminger and Harold, 1868a: 262. Unjustified emendation of Dicheirotrichus Jacquelin du Val, 1855.

Diversity.

Forty-six species (Lorenz 2005: 358) in the Nearctic (two Holarctic species) and Palaearctic (46 species) Regions arrayed in five subgenera: Cardiostenus Tschitschérine (four Palaearctic species), Dicheirotrichus s.str. (nine Palaearctic species), Oreoxenus (one Holarctic species), Pelagophilus Tschitschérine (one west Palaearctic species), and Trichocellus (31 species).

Identification.

Lindroth (1968: 874-877) covered both species found in North America under the generic name Trichocellus .