lo6 Mr. W. L. Distant on neio 



Imbahura typica, sp. u. 



? . Body and legs ocliraceous ; pronotum slightly darker, 

 with the fissures narrow but distinct ; abdomen above darker 

 on apical area {ijuery : stain ?) ; face and clypeus distinctly 

 centrally longitudinally ridged ; apex of rostrum black ; 

 tarsi more or less castaneous ; tegmina and wings hyaline^ 

 the first very lightly and obscurely tinged with pale bronzy 

 on anterior half, basal veins, costal membrane, and post- 

 costal area ocliraceous, remaining venation piceous, a short 

 basal piceous streak at lower base of tegmina. 



Long., excl. tegm., $ 9^ mm. ; exp. tegm. 30 mm. 



Hab. N.W. Ecuador; Rio Durango, 350 feet (Brit. Mus.). 



DuRANGONA, gen, nov. 



Head about as long as breadth between eyes, which are 

 large, prominent, and distinctly produced beyond the ante- 

 rior angles of the prouotum, front somewhat triangularly 

 produced, almost as long as broad at base, its lateral margins 

 and those of vertex discontinuous, vertex a little longer than 

 front, ocelli between eyes, the two posteiior at basal margin 

 of head ; pronotum scarcely longer than head, its lateral 

 margins somewhat straight but narrowed at anterior angles, 

 its posterior angles distinctly laterally produced ; mesonotum 

 (including cruciform elevation) a little longer than pro- 

 notum ; abdomen somewhat strongly dilated in male, 

 centrally arched and cariuate above, distinctly longer than 

 space between apex of head and base of cruciform elevation ; 

 tympana entirely exposed ; opercula in male short, not quite 

 covering the cavity, their apical margins rounded, their inner 

 angles widely separated ; rostrum about reaching the inter- 

 mediate coxae ; anterior femora with three long spines 

 beneath ; tegmina and wings hyaline, tegmina with eight, 

 wings with five apical areas ; basal cell to tegmina not twice 

 as long as broad. 



Allied to Conibosa, Dist., from which it principally differs 

 by the large and prominent eyes, the different position of the 

 ocelli, shorter head, &c. 



Durangona tigrina, sp. n. 



Head pale ochraceous, margins of front darker excepting a 

 pale apical spot, margins of the ocelli pale castaneous brown; 

 pro- and mesonota brownish ochraceous, both with a pale 

 central longitudinal fascia, the cruciform elevation pale, 



