Jassidce of Illinois. 25 



just before the eyes; the usual line from the anterior edge of 

 the gena^, which, however, is soon bent forward, proceeding 

 along the junction of the rellexed portion and the front; and, 

 lastly, a smaller line parallel with the latter on the vertex. Be- 

 neath, the face is yellowish green, and the fower and anterior 

 margins of the gena^ are black. 



Thorax. Pronotum green, anterior and lateral margins 

 concolorous with the head, a median line white. Scutellum 

 light green, transverse impression small, with a white median 

 longitudinal line. Beneath, yellowish green, sometimes with a 

 few black spots on the pleurites. Legs yellow, with terminal 

 spurs of tibiae and tarsal joints] brown. Elytra unicolorous 

 green. Wings hyaline. 



Abdomen. Above black; sides yellow; beneath green. 



Rather rare. From northern Illinois. 



Subgenus II. 



Vertex and frontal margin rounded. Markings on the ver- 

 tex complex. 



T. similis, n. sp. 



Color light yellow, marked all over with fine brown lines 

 and dots. 



Length 7 mm. 



Head. Above yellow, tinted with rosy, and marked witli 

 brown lines as follows: beginning at the base of the head, two 

 parallel lines, close together, extend about half way to the front 

 edge, then, making a regular curve, they pass backward and 

 around the ocelli, making two or three angular bends, and then 

 proceed directly forwards till they touch another pair of 

 black lines bordering the large striated portion of the reflexed 

 front. Eyes black at the^^ends. Tip of the front margin with 

 a single round median black spot. Beneath reddish yellow, 

 with brown lines on the stria? of the front. Cheeks v^ith two 

 reddish sti'ipes extending from the ends of the eyes to the 

 clypeus. 



Thorax. Pronotum irregularly spotted with brown, ex- 

 cept four broad bands of lighter, — one pair almost on the mid- 

 dle of the dorsum, and one pair lateral. Scutellum brownish, 

 with three triangular black patches on the base, the middle one 



