IOWA ACADEMY OF SCIENCES. 67 



larvEe of these forms show quite as much divergance from 

 the general Tettigonia form as do the adults. 



A. Front, as seen from side, straight or concave above, clypeua 



definitely angled. Sides of front with numerous dark arcs. 



B. Vertex long, acute, margins as seen from above straight, 



apex with minute spots or none. Profile of front 



straight. A p^ir of black stripes beneath the eyes in 



line with the margins of the elytra. 



C. Vertex in the female longer than the pronotum, 



distinctly longer than broad. Lines on vertex 



rarely broad. Size small, male segment broad. . . 



mollipes, Say. c? 



CC. Vertex in female slightly shorter than pronotum, 

 distinctly shorter than broad, face deep; lines on 

 vertex broad, distinct. Size large, female 10 mm. 



or over. Male segment long, cylindrical 



angulifera, Walk, 



BB. Vertex shorter, stouter, margins as seen from above 

 slightly rounding, two dark spots on apex and another 

 pair on margin against eye. Profile of front slightly 

 rounding. 



C. Vertex acutely angled, longer than pronotum in 

 the female, the lines distinct, heavy; male vertex 

 with a dark wedge back of the apex and a pair of 

 oblique ovals on the disc. Spots at apex and 



against eye small manitobiana, n. sp. 



CC. Vertex scarcely less than a right angle, eyes much , 

 wider than pronotum, the lines on vertex pale, 



spots at apex and against eye large, black 



novaeboracensis, Fitch. ^ 



AA. Front, as seen from side, slightly rounding. Clypeus round- 

 ing or weakly angled, front and vertex mottled with brown 

 or unmarked, never lined. 



B. Vertex acutely angled, longer or about equalling the 

 pronotum, elytra with few coarse reticulations, 

 C. Vertex very acutely pointed, apex curved upwards, 

 half longer than between ocelli, vertex evenly 



mottled. l..ength of male, 6,5 mm 



floridana, n. sp. ^ 



CC. Vertex moderately acute, the apex blunt, round- 

 ing. No longer than the distance between ocelli, 

 a triangular mark back of apex, Male 5 mm. 



or less gillettei, n . sp. ?D 



BB. Vertex rightangled, shorter than the pronotum. Elytra 



with numerous fine reticulations reticulata, Sign. C^ 



^ Draeculacephala mollipes Say. PI, VII, Fig. 1. 



^ TetHgonia mollipes, Sav. Jour. Acad. Nat. Sc. Phila. VI. , p. 312, 1831. 

 (J Tettigonia inn otata, Walk. Homop. Ill, p. 770,1851. 

 g 2 ettigoniaantica, Walk. Homop. Ill, p. 771,1851. 



