528 Mr. W. L. Distant on lloiiioptera. 



striate on lateral areas ; pronotum with the lateral margins 

 obliquely sinuate, the lateral areas foveately depressed ; 

 seutellum more Havescent than ochraceous, the apical area 

 globose. 



Long., excl. tegm., ? 16 mm. ; exp. tegm. 31 mm. 



Hab. Colombia (Brit. Mus.). 



Onega, gen. nov. 



Vertex as long as breadth between eyes, more or less 

 centrally anteriorly foveate, the anterior margin angularly 

 rounded, ocelli almost as far apart from eyes as from each 

 other ; face moderately long, more or less centrally longitu- 

 dinally foveate; clypeus robust, centrally longitudinally 

 ridged ; pronotum a little longer than the vertex, lateral 

 margins oblique, more or less foveateiy depressed on each 

 lateral area ; seutellum broadly subtriangular, its apex 

 globose; legs slender, anterior tibicC cylindrical; tegmina 

 slender, their apices more or less truncate, veins somewhat 

 prominent, claval veins reticulate and very prominent. 



The principal characters of this genus are the foveate 

 vertex and face, the globose apex to the seutellum, and the 

 coarse reticulate venation of the ciavus. 



Type, 0. ave/Ia, Dist. 



Onega avella, sp. n. 



Vertex and pronotum testaceous ; basal marginal area of 

 vertex and anterior marginal area of pronotum palely piceous ; 

 seutellum greyish brown, the apex testaceous ; abdomen 

 above piceous, the segmental margins dull ochraceous ; face, 

 clypeus, legs, and abdomen beneath testaceous ; cheeks, 

 apices of femora, bases and apices of tibise, tarsi, disk of 

 sternum, and central spots to abdomen blackish ; tegmina 

 testaceous, a broad blackish subcostal fascia extending from 

 near base to beyond middle, the apical margin and the poste- 

 rior claval margin both nari'owly of the same colour ; wings 

 very pale fuliginous much mottled with greyish ; vertex as 

 long as breadth between eyes, centrally anteriorly foveate, 

 aiigularly rounded in front ; face longitudinally foveate, 

 finely striate on each lateral area ; seutellum with the apex 

 globose : ciavus with coarse reticulate venation which neither 

 reaches its apex nor posterior margin. 



Long., excl. tegm., 12 mm. ; exp. tegm. 26 mm. 



Hab. Ecuador; Baiza [R. Haensch, Brit. Mus.). 



Onega stella, sp. n. 

 Body above dull purplish red ; vertex with a somewhat 



