Ateuchus (Lobidion) Génier,2010

Montoya-Molina, Santiago, González-Alvarado, Arturo, Giraldo-Echeverri, Carolina & Vaz-de-Mello, Fernando Z., 2021, Ateuchus fedescobari - a new dung beetle (Coleoptera: Scarabaeinae) species from Colombia, and redescription of the rare A. punctatissimus (Génier, 2010) from Brazil, Journal of Natural History 55 (1 - 2), pp. 115-124 : 117

Ateuchus (Lobidion) Génier,2010

Diagnosis

Body black to copper, oval and elongate. Head subtriangular, genae obtusely angular. Eyes narrow, almost imperceptible in dorsal view. Frontal edge of the head displaying two underdeveloped rounded protuberances in males, females with well-developed horizontal cephalic carina curved anteriorly. Anterior clypeal margin distinct, with wide central emargination in males, females feebly emarginate and upturned. Hypomeral surface with fine microsculpture, glabrous. Mesometasternal suture prominent and feebly curved, joining medial and external margins. Protibiae carinate longitudinally in ventral view; male protibial spur flat and spatulate, females spiniform. Ventrites narrowed medially, sixth ventrite widest and displaying one or two dentiform processes directed posteriorly. Pygidium truncate apically.