IOWA ACADEMY OF SCIENCES. 51 



B. Head and pronotum with definite longitudinal stripes. 



occatoria Say . '^ 



BB. Head and pronotum with transverse bauds parallel 

 with margin, or none. 



C. The outer branch of the first sector forking to 



form an anteapical cell. Pronotum with transverse 



bands parallel to the margins. 



D. Green, vertex blunt, alternate transverse 



bands of light and dark on pronotum and 



vertex. 



E. Elytra green, the nervures black. 



Length, 5.5—6 mm bifida Say. '-' 



EE. Elytra green, the nervures pale or 



obscure, three white spots before the 



the apex. Length, 4.5 — 5 mm., much 



narrower than above. ^i?ow^/rzVa Sign. ^ 



DD. White, vertex longer, with three black 



spots. Elytra white, the nervures brown. 



tripunctata Fitch . O 



CC. The outer branch of the first sector, with its outer 

 fork running to the margin. Pronotum, without 



marginal bands. Form, short and si out ^ 



hartii ^ 



^ Tettigonia hieroglyphica Say, Plate III. 



^TelfUjonia kieror/lyphica Say. ]our. Acad. Nat. Sc. Phil. VI. p. 313, 1831. 



Rather stout; vertex bluntly conical. General color, reddish or 

 greenish on pronotum and elytra usually mottled, costa and claval 

 suturs often broadly light, the markings on vertex in a complex pat- 

 tern. The broad median band of scutellum light. A black spot on 

 apex of vertex. Face, mottled; sometimes the whole insect is black. 

 Length, 6—7 mm.; width, L5 mm. 



Vertex, slightly conical, bluntly right-angled, the lateral margin 

 in advance of the margin of the eye; over three-fourths the length 

 of the pronotum not quite three-fourths its basal width. Face, as 

 seen from side, rounding back. Elytra, rather broad and compact; 

 five apical and three anteapical cells. 



Genitalia; female segment two and one-half times as Io:3g as the 

 penultimate, slightly narrowing posteriorly; posterior margin tri- 

 angularly produced, the apex produced and rounding, who e seg- 

 ment thin and membranous, strongly curved around the pygofers. 

 Male plates two and one-half times as long as the ullimale seg- 

 ment, long-triangular, their apices acute, margins fringed with soft 

 hairs. 



The following varieties intergrade, but most of the speci- 

 mens will readily fall into one of the following forms: 



•3 Var. hieroglyphica, Say. Plate III, Fig. i. 

 Rad form — Structure as above. Color, a round black spot 

 on the apex of vertex and face surrounded by a broad circular 



