SUBFAMILY II. — ASOPINvE. 179 



era. Front femora without spine or tubercle; males (except in Mineus) 

 without pubescent patch on ventrals 4 — 6. 

 e. Cheeks much longer than tylus and meeting in front of it; osteolar 

 canal very short. V. Rhacognathus, p. 189. 



ee. Cheeks not or very slightly longer than tylus; osteolar canal long, 

 curved, tapering. 

 /. Beak reaching middle of second ventral, its second joint more than 

 twice as long as third ; humeri with an oblong subtruncate pro- 

 jection; color blue or green with red markings. 



VI. EUTHYRHYNCHUS, p. 189. 



//. Beak not passing hind coxae, its second joint less than one-half 

 longer than third; humeral projection, if present, acute or 

 spinose. 

 g. Second ventral with a distinct slender median spine projecting 

 forward to or between the hind coxae; color not blue. 

 h. Fourth joint of beak about twice as long as third; side margins 

 of pronotum entire; colors black and orange. 



VII. Mineus, p. 191. 

 hh. Fourth joint of beak subequal to third; side margins of prono- 

 tum crenate or subserrate; color grayish or brownish yellow. 

 /. Larger, length, 14 or more mm. ; cheeks slightly longer than 

 tylus; female genital segment usually with three basal 

 plates. VIII. Apateticus, p. 192. 



ii. Smaller, not over 12 mm.; cheeks equalling tylus; female 

 genital segment with but two basal plates. 



IX. Podisus, p. 195. 

 gg. Second ventral unarmed; color dark metallic blue. 



X. Zicrona, p. 202. 



I. Stiretrus Laporte, 1832, 75. 



Medium sized, oval, convex species having the head porrect, 

 about as broad as long, its apex subtruncate ; cheeks wide, flat, 

 equalling tylus, their tips rounded ; beak slightly surpassing 

 middle coxae, its first, second and fourth joints subequal, third 

 shorter; pronotum about twice as wide as long, its front por- 

 tion but slightly declivent ; side margins sinuate, entire, humeri 

 obtusely angulate, nodulate above ; scutellum as in key ; corium 

 much narrower than scutellum, its apex very oblique and 

 sinuate ; membrane passing abdomen, its veins numerous, 

 simple ; osteolar canal broad, curved, the groove distinct only 

 at base ; second ventral with a prominent median spine, reach- 

 ing almost to middle coxae; front tibiae strongly dilated, con- 

 cave above. Genital plate of male with hind margins semi- 

 circular, trisinuate and with a minute median notch. 



Stal (1870, 22) lists 25 species, mostly from tropical 



