24 Illinois State Laboratory of Natural History. 



Section II. 

 Elytra with several rows'of irregular cellis at the tip. 



T. mollipes Say. (PI. TIL, Figs. 19-23.) 



Tettigonia mollipes Say, Journ. Acad. Phila., Vol. VI., p. 312, 4. 

 Aulacizes mollipes Fitch, Cat. Ins. N, Y. State Cabinet, p. 56. 

 Diedrocephala mollipes Uhler, List Hemip. AVest of Miss. R., p. 92. 



Bright green, head acutely conical. 



Length 12 mm. 



Head. Above light yellowish "green, marked with very 

 narrow black lines: one line in a median shallow groove; a 

 double-curved one on either side, extending from behind the 

 ocelli inwards and forwards, nearly touching the median line; 

 another on either side in the broad conspicuous groove sepa- 

 rating the vertex from the reflexed portion of the front; and, 

 tinally, the usual bent one, extending inwards from the gena. 

 Below, the face is brown, darkest near the upper and lateral 

 margins. The striations of the front are darker, and the dark 

 lines thus formed extend back on the cheeks. 



Thorax. Pronotum green, anterior and lateral margins 

 concolorous with the head. Scutellum light green, transverse 

 impression small, a white median longitudinal line being gen- 

 erally present. Beneath brownish green, the lateral edges of 

 the pleurites with a black line which is the continuation of the 

 darkened border of the head. Legs greenish, with spurs on fem- 

 ora, tibiae, and tarsi brown or black. Elytra green unicolor- 

 ous. Wings hyaline. 



Ahdomrn. Above black; sides yellow; beneath green. 



Our most common species, and widely distributed. The 

 females^differ greatly from the males in the length of the head. 



T. noveboracensls Fitch. 



Aulacizes novehuracensis Fitch, Cat. Ins. X. Y. State Cabinet, p. 50. 



(jrreen; form, size, and general appearance of T. mollipes., 

 but with four^conspicuous black spots on the front margin. 



Lengthil2Jmm. 



/fwf/^shorter than^in T. iHol/iprs. Above yellowish green, 

 marked with black as follows: a largeblack^spot'on* the front 

 margin on either side of the ti]); another on tlie^ gena^ above. 



