P. G. Nemkov
To the synonymy of Nysson tridens Gersataecker, 1867 (Hymenoptera, Crabronidae, Bembicinae).
Year: 2002, Number: 118, Pages: 36-36
A new synonym is established: Nysson tridens Gersataecker, 1867 = Nysson fraterculus Gussakovskij, 1933, syn. n.