Protarcys Klapalek 1912

Key to females of species of Protarcys (female of P. erberi (Zwick, 1980) unknown) 1. Subgenital plate lacks the apical notch (Fig. 3A)...................................................... P. caudata - Subgenital plate has an apical notch....................................................................... 2 2. Subgenital plate apically has a deep and V-shaped notch (fig.7b in Chen 2019)........................... P. wanglanga - Subgenital plate apically has a shallow incision............................................................. 3 3. Subgenital plate is short, apically with a broad incision....................................................... 4 - Subgenital plate is long, apically with a small and subtriangular incision (Fig. 3B).......................... P. lutescens 4. Lateral lobes of the subgenital plate nipple-like (fig. 5b in Zhang et al. 2024)................................. P. cheni - Lateral lobes of the subgenital plate are wide, triangular (fig. 13E in Kimmins 1947)......................... P. uncata