Saini, V. & Dey, D. (2024) First record of subgenus Corynopus Lepeletier and Brullé, 1835 (Genus Rhopalum Stephens, Hymenoptera: Crabronidae: Crabronini) from India: a new species and a key to Asian species of the subgenus. Zootaxa, 5507 (3), 467–477.