832 FAMILY XXIX. — MIRID^E. 



ua. Base of vertex with a high carina or ridge extending from eye to 

 eye, this beset with bristles ; pronotum and elytra with numerous 

 erect black bristle-like hairs; color fuscous-brown. 



III. Hadronema, p. 843. 



I. Ilnacora Reuter, 1876, 85. 



Elongate, slender, subparallel species having the head wider 

 across eyes than apex of pronotum, its front nearly vertical; 

 vertex flattened, its base carinate at middle ; cheeks strongly 

 convex; antenna? about two-thirds the length of body, joints 1 

 and 2 of nearly equal thickness, 3 and 4 much more slender; 

 pronotum trapezoidal, without subapical stricture, but with a 

 transverse ridge before the calli ; scutellum flat, triangular, 

 equilateral; mesoscutum concealed; elytra entire, surpassing 

 abdomen. Three species have been recorded from the eastern 

 states. 



KEY TO EASTERN SPECIES OF ILNACORA. 



a. Under surface green or greenish-yellow; head wholly dull yellow. 



893. STALII. 

 act. Under surface in great part or wholly black; head black, or yellow 

 with black lines or stripes. 

 b. Pronotum with a conspicuous round black spot behind each callus; 

 eyes distant from front of pronotum; membrane dark brown. 



894. MALINA. 



bb. Pronotum with at most a small spot of black pubescence behind each 

 callus; eyes almost contiguous with front of pronotum; membrane 

 dusky hyaline, the veins yellow. 895. divisa. 



893 (1184). Ilnacora stalii Reuter, 1876, 86. 



Color a nearly uniform pale green, fading to greenish-yellow, sparse- 

 ly pubescent with inclined whitish hairs and usually with a small spot 

 composed of black scale-like hairs behind each callus, another on base of 

 scutellum and one at inner basal angle of cuneus, these easily abraded 

 and often wanting; membrane pale hyaline with a vague transverse fus- 

 cous bar behind the cells ; legs and under surface greenish-yellow, the 

 tips of beak and tibia? and joint 3 of tarsi fuscous. Joint 1 of antennae 

 slightly longer than width of vertex, pale yellowish with a ring near base 

 and a broader one behind apex, blackish; 2 reddish-brown, usually fus- 

 cous at base and toward apex, three and a half times longer than 1 ; 3 

 and 4 fuscous, united subequal in length to 2, 4 one-half as long as 3. 

 Length, 5.3 — 5.7 mm. 



Marion, Putnam and Crawford counties, Ind., June 19 — Sept. 

 5 ; probably occurs throughout the State. Swept from cockle- 

 bur, ragweed and other herbage, mainly in low, moist places, 

 though sometimes on high wooded ridges. Ranges from New 



