SUBFAMILY VII. — RHYPAROCHROMIN^E. 415 



thickened toward apex, fourth usually with basal third pale 

 ringed ; pronotum obtusely constricted in front of middle, sides 

 sinuate opposite the constriction, their margins carinate and 

 slightly reflexed ; scutellum flat, elongate-triangular, without 

 carina; elytra elongate, usually macropterous, sides subparallel, 

 corium covering the abdomen ; commissure of clavus as long as 

 scutellum ; membrane slightly surpassing tip of abdomen ; 

 front femora elongate, not strongly swollen, armed beneath 

 with a single row of short, slender, preapical spines. Six 

 of the seven known North American species occur in the east- 

 ern states. 



KEY TO EASTERN SPECIES OP OZOPHORA. 



a. Femora without erect hair-like setae; inner apical angle of corium 

 with a small but prominent pale spot; general color not dark 

 chestnut-brown. 

 b. Basal third of last joint of antenna? dull white; corium with a 

 dark cross-bar (often interrupted) behind middle; femora with- 

 out brown dots. 

 c. Upper surface glabrous or nearly so; hind lobe of pronotum paler 

 than front one; cross-bar of corium chestnut-or reddish-brown, 

 usually interrupted. 

 d. Lateral margins of corium straight and parallel ; hind lobe of 

 pronotum not distinctly longer than front one. 

 e. Pronotum wider at base than long, not strongly constricted 

 near middle, its lateral carina? distinct throughout; trans- 

 verse convexity on front lobe of pronotum not interrupted 

 at middle. 361. picturata. 



ee. Pronotum not wider at base than long, strongly constricted 

 near middle, its lateral carina? very obtuse, evident only on 

 basal half; transverse convexity on front lobe interrupted at 

 middle. 362. reperta. 



dd. Lateral margins of corium evidently concavely sinuate; hind lobe 

 of pronotum distinctly longer than front one. 363. concava. 

 cc. Upper surface thinly but distinctly pubescent; hind lobe of prono- 

 tum in great part concolorous with front one; cross-bar of 

 corium dark fuscous, not interrupted. 364. burmeisteri. 



bb. Last joint of antennae wholly fuscous; corium without dark cross- 

 bar; femora minutely dotted with brown. 365. pallescens. 

 aa. Femora furnished with numerous erect hair-like setae; inner apical 

 angle of corium without pale spot; general color dark chestnut- 

 brown. 366. trinotata. 



361 (571). Ozophora picturata Uhler, 1871, 102. 



Elongate-oval. General color above dull straw-yellow; head, front 

 lobe of pronotum and disk of scutellum usually blackish or dark brown; 

 hind lobe of pronotum often with four vague dark stripes ; corium with 

 an elongate spot opposite apex of scutellum, a more or less interrupted 



