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 26. Key for identification of Costa Rican species of Podacanthophorus

Species	Ventral spines on hind femur	Markings on male pronotum	Fastigium of vertex
alas	the longest spine as long as the smallest width of femur (below knee) (Fig. 34 K)	large, brown, usually heart- shaped spot in metazona (Fig. 34 C)	without dorsal markings (Fig. 34 B-C)
vargasi	the longest spine nearly twice as long as the smallest width of femur (below knee) (Fig. 34 L)	white spot surrounded by brown margin in metazona (Fig. 34 D)	without dorsal markings (Fig. 34 D)
maylinae	the longest spine as long as half the smallest width of femur (below knee) (Fig. 34 M)	small, dark red, V-shaped spot surrounded by thick white margin in metazona (Fig. 34 E)	without dorsal markings (Fig. 34 E)
nelciae	the longest spine as long as the smallest width of femur (below knee) (Fig. 34 N)	male unknown	with black, longitudinal dorsal markings (Fig. 34 F)