Gymnognathus Schönherr, 1826:37

Perger, Robert & Guerra, Fernando, 2016, The description of a new calyptrate fly mimicking species of the fungus weevil genus Gymnognathus Schönherr 1826 from the southern Bolivian Andes (Coleoptera: Anthribidae: Anthribinae), Zootaxa 4084 (2), pp. 277-284 : 279

Gymnognathus Schönherr, 1826:37 .

Type species: Anthribus ancora Germar, 1824:177 , by orginal designation and monotypy.

Diagnosis (modified from Valentine 1960): RoStrum and poStmentum longitudinally carinate; eyeS entire, finely faceted; tranSverSe pronotal carina antebaSal; elytra produced anteriorly over baSe of pronotum and partially encloSing anterior-lateral margin of Scutellum, reSulting in a Scutellar notch that iS Shaped like an inverted omega.

Species group a (modified from Jordan 1937): Vertex red, derm of pronotum minutely coriaceouS, no reddiSh pubeScence on occiput or pronotum, elytra Striped with grey or brown, and pygidium with white or creamy lateral border or almoSt completely brown.

Comparative material examined (in collection of Natural HiStory MuSeum London). GymnOgnathus BOhlsi Jordan, 1895: holotype female, Paraguay, leg. Dr. BohlS, Karl Jordan Coll. B. M. 1940-109. Male, Paraguay, Villa Rica, Karl Jordan Coll. B. M. 1940-109.