72 Mr. W. L. Distant on Homoptera. 



A ban a, 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 scutellurn, convex, ante- 

 riorly narrowed, lateral margins oblique, anterior margin 

 convexly rounded, posterior margin concavely sinuate; 

 scutellurn 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 gigasj Fowl., belongs to this genus. 



Abuna dives. 

 Aulacizes dices, "Walk. List Horn. iii. p. 791 (lb-^lj. 



Vertex ochraceous, basal margin angularly widened on 

 each side and thus enclosing the ocelli, black or bluish 

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

 times shaded with bluish on anterior margiual area, a broad 

 transverse ochraceous fascia crossing middle, sometimes 

 centrally interrupted ; scutellurn piceous ; abdomen above 

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

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

 side of mesosternum, and the segmental margins bluish black 

 or castaneous ; legs castaneous, anterior and intermediate 

 femora beneath more or less flavescent ; tegmina castaneous, 

 the veins margined with 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. 



Hub. Colombia; Cali (Brit. Mus.). Ecuador; Cachabe 

 and Paramba {Rosenberg, Brit. Mus.). 



Considerable confusion has attached to this species ; 

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

 it as a synonym of T. cazridescens, Eabr., and giveu the 

 habitat as " N. Hollander" He has also figured (t. xxi 



