Leptotrachelus Latreille, 1829

Bousquet, Yves, 2012, Catalogue of Geadephaga (Coleoptera, Adephaga) of America, north of Mexico, ZooKeys 245, pp. 1-1722 : 789

Genus Leptotrachelus Latreille, 1829

Leptotrachelus Latreille, 1829: 371. Type species: Odacantha dorsalis Fabricius, 1801 by monotypy. Etymology. From Greek leptos (thin, slender) and trachelos (neck, by extension pronotum), alluding to the narrow pronotum (" où cette partie du corps [pronotum] est à peu près cylindrique ") of the adult [masculine].

Spheracra Say, 1830a: 133. Type species: Odacantha dorsalis Fabricius, 1801 by monotypy.

Diversity.

Thirty-four species (Lorenz 2005: 393) in the temperate, subtropical, and tropical areas of the Nearctic (three species) and Neotropical (32 species) Regions.

Identification.

Bousquet (1997b: 336) commented on the structural differences between Leptotrachelus dorsalis and Leptotrachelus pallidulus . The third species ( Leptotrachelus depressus ) is known only from the holotype which is very similar to members of Leptotrachelus pallidulus and may eventually prove to be conspecific with them.