Blennidus orbicollis group sensu Allegro & Giachino (2011b)

Diagnosis. Four species distributed in northern Peru (Dept. Cajamarca) distinguished by compact, short-oval habitus, hind angles of pronotum rounded or widely obtuse and, primarily, very distinctive morphology of aedeagus (unknown in B. crassus, which matches the other external characters):

B. (Agraphoderus) crassus (Straneo, 1993)

B. (Agraphoderus) orbicollis (Straneo, 1993)

B. (Agraphoderus) pinguis Allegro & Giachino, 2011 B. (Agraphoderus) pseudolaevis Allegro & Giachino, 2011