Jassidce of Illinois. 23 



median impression. From tliis two lines extend back over the 

 posterior portion. Beneath unicolorous yellowish green. Legs 

 yellowish green with spurs at tip of tibias, and tarsal joints 

 brown or black. Elytra dark bluish green with two broad red 

 stripes separated by a blue line; tips and the costa near the 

 tip, spotted brown. Wings dusky brown, veins deep brown. 



Abdomen. Beneath yellowish green. 



Not rare in southern Illinois in the middle and latter part 

 of the summer. 



T. coccinea Forst. 



Cicada coccinea Forst., Nov. Species Insect., p. 96. 

 Tettigonia 4- vittata Say, Journ. Acad. Phila., Vol. VI., p. .312, 3. 

 Proconia 4- vittata Fitch, Cat. Ins. N. Y. State Cabinet, p. 55. 

 Diedrocephala coccinea Uhler, List Hemip. West of Miss. R., p. 91. 



Green lineate with red. Head with black anterior border, 

 but unmarked above. 



Length 10 mm. 



Head. Above orange, eyes green, front margin promi- 

 nently marked with a black band. The usual narrow black 

 line running inwards from the genx is present. Beneath uni- 

 form yellowish green, lateral edges of eyes dark. 



Thorax. Pronotum green, marked with a transverse red 

 line near the front margin, from which project backwards and 

 outwards a pair of heavier curved lines. A yellow sear on the 

 anterior corners. Scutellum deep orange, apical spines lighter. 

 Beneath green, pleurites margined with a deep black stripe 

 above, which is the continuation of that on the margin of the 

 head. Legs yellowish, spurs on tips of tibae, and tarsal joints, 

 brown. Elytra bluish green, with two longitudinal stripes red, 

 the outer one being the wider and having a green central por- 

 tion; tips black. Wings nearly black. 



Abdomen red above, yellowish green beneath. 



Common throughout the State. It has the same general 

 appearance as T. versuta but is quite distinct. 



