208 Mr. W. L. Distant on IlomoptPia. 



convex, the latter obliquely sinuate^ ajid both ridged, the 

 lateral angles obtusely subprominent, the anterior margin 

 truncate, the posterior margin concavely sinuate before 

 scutellum, which is considerably longer than broad, discally 

 foveately depressed, strongly transversely striate, its apex 

 hmg and attenuate ; rostrum just or almost reaching the 

 posterior coxje; abdomen above centrally raised, the lateral 

 areas deflected on each side, the connexivum broad and 

 distinct ; legs moderately long and robust, the posterior 

 femora strongly longitudinally sulcate beneath, posterior 

 tibiae considerably longer than the femora and with a single 

 long spine beyond the middle, posterior tarsi very long, third 

 joint longest, as long or only a little shorter than fii'st and 

 second together ; tcgmina about or only a little more than 

 twice as long as broad, costal margin arched at base and 

 convexly deflected to apex, which is rounded, and densely, 

 evenly, finely punctate ; wings long and ample, about three- 

 fourths the length of tegmina. 

 Type, M. rivularis, Dist. 



Makonaima rivularis, sp. n. 



Vertex dull reddish, the lateral margins before eyes bright 

 reddish ochraceous; pronotum piceous, the lateral and poste- 

 rior margins and a central longitudinal carination bright 

 reddish ochraceous ; scutellum dark purplish, its apical 

 third bright reddish ochraceous ; body beneath and legs 

 purplish brown, the abdomen darkest; a central longitudinal 

 fascia to face and posterior margin to metasternum bright 

 reddish ochraceous ; tegmina piceous, with small linear red- 

 dish-ochraceous spots, about seven arranged in longitudinal 

 series beneath costal area, — two subapical, two above and 

 beyond clavus, and a longer linear spot near middle of upper 

 claval margin; wings dark fuliginous, their extreme bases 

 carmine-red ; pronotum finely granulose and punctate, cen- 

 trally longitudinally cariuate, the carination not extending to 

 base; scutellum coarsely transversely striate, the disk broadly 

 ovately depressed, the apex longly attenuate ; scutellum 

 ■reaching the posterior coxae; tegmina strongly arched at 

 base. 



Long., excl. tegm., 17-18 mm. ; exp. tegm. 48 mm. 



Hah. Pert; E.<3uador, Cuenca (Brit. Mus ). 



Makonat.va circumduct a, sp. n. 



Piceous; vertex with tlie lateral areas in front of eyes 

 and a spot at apex, pronotum with the lateral and posterior 



