82 Mr. W. L. Distant on Homoptera. 



legs pale brownisli ocliraceous ; central disks of face and 

 clypeus very pale ocliraceous ; tegmina with the costal area, 

 the veins to cerium, and the posterior margin of clavus 

 castaneous brown, the corium greyish, claval area very pale 

 ochraceous, the margin of tegmen beyond apex of clavus 

 piceous brown ; wings hyaline ; vertex about as long as 

 breadth between eyes, obliquely narrowed to apex, discally 

 flattened and almost smooth, depressed before ocelli, the 

 lateral margins obscurely wrinkled, ocelli near eyes ; face 

 centrally, broadly, longitudinally flattened, a little foveately 

 depressed, a more distinct central basal foveation, lateral 

 areas transversely striate; pronotum about as long as vertex, 

 rugulose, the anterior margin more rugose, the anterior 

 margins very narrowly black, posterior margin strongly 

 sinuate before scutellum ; tegmina with the costal area 

 granulose, the claval area thickly wrinkled and finely grauu- 

 lose, corium very finely granulose, its dark veins very 

 prominent. 



Long., excl. tegm., 16 mm. : exp. tegm. 32 mm. 



Hab. Costa Rica ; Cervantes, Atl. slopes and San Jose 

 [P. Biolley, Coll. Dist.). Panama; Chiriqui (Brit. Mus.). 



Diestostemma ptolycu, sp. n. 



Vertex pale ochraceous, its base more or less testaceous 

 brown ; pronotum testaceous brown, its basal margin pale 

 ochraceous ; scutellum greyish, with testaceous-brown spots 

 on disk and basal margin; head beneath, sternum, and 

 legs stramineous, the abdomen beneath more greyish ; 

 tegmina greyish white, posterior claval and tegmina! mar- 

 gins (narrowly) and an undulating subcostal line before 

 middle chocolate-brown ; vertex about as long as breadth 

 between eyes, obliquely narrowed to apex, which is sub- 

 conically rounded, a little flattened and depressed before 

 ocelli, the lateral margins obscurely wrinkled; face centrally, 

 longitudinally, broadly flattened and depressed, distinctly 

 roundly foveate at centre of base, lateral areas strongly 

 transversely striate ; clypeus with a subcentral transverse 

 impression ; pronotum about as long as the vertex, rugulose, 

 the anterior margin more rugose, posterior margin strongly 

 sinuate before scutellum ; tegmina very finely wrinkled and 

 punctate. 



Long., incl. tegm., 18 mm. 



Hab. South Brazil ; Theresopolis (Brit. Mus.). 



