Pentagonica Schmidt-Goebel , 1846

Bousquet, Yves, 2012, Catalogue of Geadephaga (Coleoptera, Adephaga) of America, north of Mexico, ZooKeys 245, pp. 1-1722 : 785

Genus Pentagonica Schmidt-Goebel, 1846

Rhombodera Reiche, 1842: 313 [junior homonym of Rhombodera Burmeister, 1838]. Type species: Rhombodera virgata Reiche, 1842 (= Lebia trivittata Dejean, 1831) designated by Bousquet and Larochelle (1993: 245). Etymology. From the Greek rhombos (lozenge) and dere (neck, by extension pronotum), alluding to the shape of the pronotum (" thorax sub rhomboideus ") of the adult [feminine].

Pentagonica Schmidt-Göbel, 1846: 47. Type species: Pentagonica ruficollis Schmidt-Göbel, 1846 designated by Andrewes (1938: 137). Synonymy established by Chaudoir (1877: 212). Etymology (original). From the Greek pente (five) and goniakos (angular), not gonichos as originally cited by Schmidt-Göbel, alluding to the shape of the pronotum (" thorax pentagonus ") of the adult [feminine].

Didetus LeConte, 1853c: 377. Type species: Didetus flavipes LeConte, 1853 by monotypy. Synonymy established by LeConte (1861a: 25). Etymology. From the Greek prefix di - (two) and detos (bound) [masculine].

Diversity.

About 85 species in the temperate, subtropical, and tropical areas of the Nearctic (six species, only one endemic), Neotropical (about 25 species), Australian (10 species), Oriental (about 20 species), Palaearctic (11 Asian species), and Afrotropical (25 species) Regions.

Identification.

Lindroth’s (1969a: 1013) key covered all North American known at the time. Two new species have been described subsequently by Bell (1987) and Mateu (1995).