Blennidus pachycerus group sensu novo
Diagnosis. Twelve species distributed in central Peru (Depts. Ancash, Junin, Pasco, Lima, Huancavelica), distinguished by male mesotibiae preapically swollen and the very similar morphology of aedeagus:
B. (Agraphoderus) anxius (Tschitschérine, 1898) B. (Agraphoderus) curtatus (Straneo, 1993)
B. (Agraphoderus) euphaenops (Tschitschérine, 1898) B. (Agraphoderus) fitzcarraldi Giachino & Allegro, 2011 B. (Agraphoderus) mateui (Straneo, 1993)
B. (Agraphoderus) nigritulus (Straneo, 1993)
B. (Agraphoderus) pachycerus (Tschitschérine, 1897) B. (Agraphoderus) phaenogonus (Tschitschérine, 1898) B. (Agraphoderus) rectangulus (Straneo, 1993)
B. (Agraphoderus) tardus (Tschitschérine, 1898) B. (Agraphoderus) unistria (Straneo, 1993)
B. (Agraphoderus) vereshaginae (Straneo, 1993)