Katydids of Costa Rica / Vol. 1, Systematics and bioacoustics of the cone-head katydids (Orthoptera: Tettigoniidae: Conocephalinae sensu lato). Author Piotr Naskrecki text 2000 The Orthopterists Society at the Academy of Natural Sciences of Philadelphia, Philadelphia, PA book 10.5281/zenodo.270035 647046fe-0ee5-401d-b4f8-aea0355fde7f 270035

TABLE 10. Key for identification of Costa Rican species of Pyrgocorypha

Species	Fastigium	Ovipositor	Stridulatory file	Coloration
rogersi	4 times as long as eye, black ventrally (Fig. 14 B)	longer than hind femur, slightly downcurved	2.9 mm, 70 teeth	pronotum and head usually with dark, wide stripe dorsally
hamata	1.5 times as long as eye, light (Fig. 15 B)	shorter than hind femur, bent upwards	3.8 mm, 95 teeth	pronotum and head at most slightly darker dorsally