Keratodellitha, JOUAULT, MARÉCHAL, WANG & PERRICHOT, 2021

Jouault, Corentin, Maréchal, Arthur, Condamine, Fabien L., Wang, Bo, Nel, André, Legendre, Frédéric & Perrichot, Vincent, 2022, Including fossils in phylogeny: a glimpse into the evolution of the superfamily Evanioidea (Hymenoptera: Apocrita) under tip-dating and the fossilized birth-death process, Zoological Journal of the Linnean Society 194, pp. 1396-1423 : 1412

KEY TO SPECIES OF KERATODELLITHA

The three species of Keratodellitha can be distinguished mainly by the characters given in the key below.

1. Scape short (about twice as long as pedicel); fore wing with Rs+M longer than 2Rs; hind wing with five hamuli; metasoma cylindrical............................................................................................................................ 2

Scape long (more than three times as long as pedicel); fore wing with Rs+M as long as 2Rs; hind wing with six hamuli; metasoma rounded................................................................................. Keratodellitha basilisci

2. Fore wing with third and second submarginal cells similar in length, second discal cell about twice as long as wide ............................................................................................................................. Keratodellitha kirin

Fore wing with third submarginal cell longer than second one, second discal cell conspicuously longer than wide (three times)......................................................................................................... Keratodellitha anubis