Copiphorini, Karny, 1912

Sri-In, Chalida & Yang, Jeng-Tze, 2019, The Notched-frons Katydids of Taiwan (Orthoptera: Tettigoniidae: Conocephalinae: Copiphorini): redescriptions and keys for identification, Zootaxa 4648 (1), pp. 63-91 : 65-66

Key to species of Copiphorini from Taiwan

1. Body relatively slender; hind femur nearly 3 times longer than mid femur; male cerci cylindrical, last segment with a process perpendicular to the segment and bending inwardly towards midline............................................. 2

- Body more robust; hind femur nearly 2 times longer than mid femur; male cerci broad and flattened................... 4

2. Fastigium longer with, conical rounded apex; notch opened.................................................... 3

- Fastigium short, with obtusely blunted apex; notch closed............................ Ruspolia lineosa (Walker 1869)

3. Median length of fastigium 2 times longer than width; basal process strongly produce; antennal socket as wide as antennal scape......................................................... Euconocephalus pallidus ( Redtenbacher, 1891)

- Median length of fastigium as long as width; basal process slightly produce; antennal socket wider than antennal scape 2 times............................................................ Euconocephalus nasutus (Thunberg, 1815)

4. Body relatively small; notch closed without basal process; frontal fastigium without ventral carina............................................................................................. Xestophrys horvathi Bolivar 1905

- Body relatively large; notch opened with basal process strongly produced; frontal fastigium with ventral carina........... 5

5. Fastigium short and apex pointed downwards; apical process of notch absent; ovipositor straight........................................................................................ Pseudorhynchus gigas Redtenbacher 1891

- Fastigium long and apex pointed upwards; apical process present; ovipositor curve......................................................................................... Pyrgocorypha formosana Matsumura & Shiraki 1908