SUBFAMILY II. PSEUDOFHYLLIX.E. 495 



tips of the forks usually incurved and mucronate; subgenital plate 

 long, narrow, more or less spear-shaped. Females with ovipositor 

 more than twice as long- as pronotum, sickle-shaped, apex acute, 

 apical third of lower margin very finely serrate; supra-anal plate 

 narrow, twice or more as long as wide, apex rounded or sub- 

 truncate. 



This subfamily is richly represented in the tropical countries 

 of the world, but very poorly so in the United States, where only 

 three genera and half a dozen or so species occur. They are for 

 the most part strictly arboreal, dwelling amidst the foliage of the 

 tallest of trees, but where these are absent they live in the or- 

 chards and shrubbery about small towns and country houses. 



t/ t^ 



Caudell (1906, 32) well describes their habits when he says : "The 

 nights may resound with the song of the males and yet the listener 

 never sees one of the songsters. This is accounted for by the habi- 

 tat of the insect which is in the tallest trees available. The young 

 feed on the leaves and very probably rarely or never leave the 

 shelter of the tree upon which they were born. * * * Consid- 

 erable doubt exists as to whether or not these tree katydids ever 

 fly. I have repeatedly endeavored to persuade specimens to fly 

 and have succeeded in getting them to spread their wings and 

 sail to the ground, alighting with a thud, but no attempt was made 

 by the insects toward actual flight. They probably soar from 

 one tree to another after the manner of the flying squirrel." 



The principal literature treating of our species of Pseudophyl- 

 linae is by Eiley, 1874; Brunner, 1895; Blatchley, 1903; Caudell, 

 1906, and K. & H., 1916. 



KEY TO EASTERX GENERA OF PSEUDOPHYLLINyE. 



a. Disk of pronotum scarcely longer than wide, the lateral lobes sub- 

 quadrate or deeper than long; tegmina broadly ovate; subgenital 

 plate of male with* apex entire. I. PTEROPHYLLA. 



era. Disk of pronotum distinctly longer than wide, the lateral lobes longer 

 than deep; tegmina somewhat narrower, elliptical; subgenital plate 

 of male with apex deeply forked. II. LEA. 



I. PTEROPHYLLA Kirby, 1828, 218. (Gr., "wing" -f- "leaf.") 



Very large green katydids, possessing the characters as above 

 set forth and having the lateral ca rinse of pronotum evident only 

 near the base; front tibiae unarmed above, middle coxa? with a 

 basal tubercle; hind femora with not more than seven spines on 

 the lower outer carina ; supra-anal plate in both sexes entire or 

 sulcate above only on basal fourth ; male with supra-anal plate 

 about as broad as long, forks of cerci strongly divergent, their 



