Ithynchota from Ruu-enzori. 443 



Rnvveiizori, 5000-6000 feet {Scott Elliot). 

 A strikingly marked species, described from a single and 

 somewhat imperfect specimen. 



HOMOPTERA. 



Fam. Cercopidae. 



Genus Ptyelus. 



Ptyelus, St. Farg-. & Serv. Euc. Mt5th. x. p. 603 (l82o). 



Ptyelus niveus, sp. n. 



Body and legs creamy ochraceous ; pronotum, scutellura, 

 and abdomen above more or less suffused with stramineous ; 

 basal antenniferous tubercle, a longitudinal spot near bases of 

 anterior tibise, anterior and intermediate tarsi, the apical 

 fringe of the posterior tibiae, and the claws of the posterior 

 tarsi black, base of the apical joint of intermediate tarsi 

 creamy ochraceous ; tegmina silvery white, opaque, base of 

 costal margin and a short central discal longitudinal line 

 black, the reticulate veins at the apical area piceous ; vertex 

 centrally half as long as breadth between eyes, a distinct 

 impression enclosing a small lunate space a little before apex ; 

 lace a little centrally longitudinally flattened, laterally trans- 

 versely striate ; pronotum anteriorly convexly rounded, poste- 

 riorly strongly concavely excavate before scutellum, which is 

 longer than bi'oad ; posterior tibise with tw^o spines, the one 

 nearer base shortest and somewhat indistinct. 



Long., excl. tegm., 11 mm. ; exp. tegm. 30 mm. 



E. liuwenzori, 6000-13,000 feet. 



Genus Lepyronia. 

 Lejtyronia, Amy. & Serv. H^m. p. 567 (1843). 



Lepyronia cethiojys, sp. n. 



Pale stramineous ; two central longitudinal fasciae ex- 

 tending through head, pronotum, and scutellum, in the latter 

 occupying the lateral angles, lateral margins of head (not 

 reaching apex), lateral margins of pronotum, basal and inner 

 margins of clavus, basal costal margin of tegmina, a costal 

 spot behind middle, two oblique inner fascia? on apical area, 

 a spot on each basal side of head beneath between the face 

 and eyes, a spot on each side of base of clyj^eus, a longi- 

 tudinal fascia on each side of sternum, and the abdomen 



31* 



