72 Mr. W. L. Distant on Homoptera. 



Abana, gen. nov. 



Vertex as long as breadth between eyes, anteriorly nar- 

 rowed, apically obtusely rounded, centrally longitudinally 

 depressed ; face long, globose, the base angularly produced, 

 centrally, broadly, longitudinally flattened, the lateral areas 

 transversely striate ; clypeus centrally angularly elevated ; 

 pronotum nearly twice as long as scutellum, convex, ante- 

 riorly narrowed, lateral margins oblique, anterior margin 

 convexly rounded, posterior margin concavely sinuate; 

 scutellum posteriorly acute; tegmina not longer than abdo- 

 men, in female not covering the anal appendage ; anterior 

 tibiae sulcate. 



Allied to Stictoscarta, but differing by the angularly pro- 

 duced vertex, the more elongate face, longly produced anal 

 appendage in female, &c. 



Type, A. dives, Walk. 



Amblydisca giyus^ l^'owl., belongs to this genus. 



Ahana dives. 



Aulacizes dives, Walk. List Horn. iii. p. 791 (1851). 



Vertex ochraceous, basal margin angularly widened on 

 each side and thus enclosing the ocelli, black or bluish 

 Idack ; pronotum dark castaneous, more piceous, and some- 

 times shaded with bluish on anterior marginal area, a broad 

 transverse ochraceous fascia crossing middle, sometimes 

 centrally interrupted ; scutellum piceous ; abdomen above 

 dark indigo-blue ; body beneath ochraceous; apical area of 

 face, cheeks, clypeus, disk and a sublateral fascia on each 

 side of mesosternnm, and the segmental margins bluish black 

 or castaneous ; legs castaneous, anterior and intermediate 

 femora beneath more or less flavescent j tegmina castaneous, 

 the veins margined Avitli minute greyish speckles ; wings 

 fuscous brown, the veins darker, sometimes distinctly paler 

 on basal area. 



Structural characters as in generic diagnosis. 



Var. a. — Pronotum uniformly castaneous, the transverse 

 pale fascia absent. 



Long., excl. tegm., 16 mm.; exp. tegm. 33 mm. 



Hab. Colombia; Call (Brit. Mus.). Ecuador; Cachabe 

 and Paramba {Rosenberg, Brit. Mus.). 



Considerable confusion has attached to this species ; 

 Signoret (Ann. Soc. Ent. Er. (3) i. p. 672, 1853) has placed 

 it as a synonym of T. candescens, Eabr., and given the 

 habitat as " N. Hollande." lie has also hgured (t. xxi. 



