Robustagramma triangulatum, Cui and Marshall, 2005

Marshall, Stephen A. & Cui, Yongsheng, 2005, Systematics of Robustagramma, a new genus of New World Sphaeroceridae (Diptera), Zootaxa 1026 (1), pp. 1-122 : 92

Robustagramma triangulatum group

Diagnosis: Dorsocentral bristles in three pairs. Prosternum narrow, bare. Wing pigmented, with two transverse, zigzag, clear bands beyond end of R 2+3; R 2+3 short and straight. Distiphallus with nodes on paired whip­like sclerites.