526 



FAMILY VII. TETTIGONIIDJE. THE KATYDIDS. 



lessly until approached to withiu about eight feet, then ceasing 

 abruptly they would fly into the darkness with a swift powerful 

 zigzagging flight. In alert swiftness this species and N. velox 

 are distinctive." 



Aside from the black margined under surface of the fastigium 

 this insect is an exact replica of a small ~N. robust us crepitans. 

 the form of the cones being identical. That species is said to some- 

 times have the fastigium ''very briefly and narrowly darkened 

 ven trad." I would consider caudcllianus to be only a form of 

 crepitans were it not for the difference in song as noted by Davis 

 and B, & H. 



240. NEOCONOCEPHALUS PALUSTBIS (Blatchley), 1893c, 89. Marsh Cone- 

 head. 



Males small for the genus, form rather slender; females larger, more 

 robust and with abdomen distinctly enlarged. General color of females 

 usually a bright grass green; of males more often brown varying in shade; 

 fastigium of green form tipped with dull yellow, which extends half way 

 clown the sides; labrum and apical segments of all the palpi rose red 

 tinged with violet; antennae and apical third of ovipositor reddish-brown; 

 tarsi somewhat infuscated. Fastigium short, stout, apical third feebly 

 narrowed, tip bluntly rounded (Fig. 169, i) ; under surface with a low 

 obtuse carina, the usual basal tooth represented by a small blunt tubercle. 

 Pronotum with lateral carinae feebly divergent, hind margin very broadly 

 rounded; lateral lobes longer than deep, their lower margin oblique, its 



\ 



Fig. 176. a, Female. X l -3> b, head of same from above. (Original.) 



hind angle obtuse; humeral sinus very shallow. Tegmina very slender, 

 tapering but little to the narrowly rounded tips. Stridulating field of 

 male small, broad, basal three-fourths of Stridulating vein coarse, apical 

 fourth very weak (Fig. 170, e.) Fore and middle femora usually with 1 3 

 short, stout spines on apical third of lower outer carina. Hind legs short, 

 tibiae but little more than half as long as closed tegmina; femora with 3 9 

 spines on each of the lower carinee. Ovipositor slightly shorter than hind 

 tibiae, broadest at a point about two-thirds the distance from base, thence 

 tapering regularly to a sharp apex. Length of body, $ , 24 26, 5 , 27 

 35; of fastigium, $, 2.33, 5, 2.64; of pronotum, $, 6.38, $, 5.6 

 8.7; of tegmina, $, 2834, 9, 2945; of hind femora, $, 1619, 5, 16 

 25; of ovipositor, 1621 mm. t'Fig. 176.) 



Vigo Co., Ind., Oct. 24, type female (W. 8. B.} ; Alexandria, 



