Deltochilum trisignatum

Silva, Fernando A. B., Louzada, Júlio & Vaz-De-Mello, Fernando, 2015, A revision of the Deltochilum subgenus Aganhyboma Kolbe, 1893 (Coleoptera: Scarabaeidae: Scarabaeinae), Zootaxa 3925 (4), pp. 451-504 : 462

trisignatum complex

Diagnosis. Apex of pygidium rounded; basal third of protibia sharply widened along its inner margin (Fig. 66); middle protibial tooth closer to apical tooth than to basal tooth; apical one-third of metatibia strongly curved inward (Fig. 67).