Mr. W. L. Distant on Homoptera. 



427 



reaching the posterior coxai, its apex piceous ; opercula well 

 separated at their inner angles, their inner and outer margins 

 oblique, tiieir posterior margins subtruncate and not quite 

 reaching base of abdomen. 



Long., excl. tegm., ^ 16 mm. ; exp. tegm. 59 mm. 



Hah. Mexico (Brit. Mus.) . 



This species is readily recognized by the marginal shadings 

 to the apical areas ot" the teginina &c. 



Rihana Swahi\ sp. n. 



Head dark castaneous ; apical spot to face and a spot behind 

 its lateral margins, lateral margins of vertex, and a spot between 

 ocelli and eyes, all of them ochraceous; pronotum castaneous, 

 anterior margin (narrowly) and lateral and posterior margins 

 ochraceous, a central discal fascia broadened anteriorly and 

 posteriorly (containing a central ochraceous line), on each side 

 of which is a short, discal, longitudinal line, and the incisures 

 dark castaneous ; mesonotum pale castaneous, with two central 

 obconical spots, on each side of which is a much longer sub- 

 angulated spot, black , narrowly margined with pale ochraceous ; 

 cruciformelevation andthe tympanalcoveringspale ochraceous; 



liihttiia Stcalei, Dist. cf . 



abdomen castaneous ; body beneath and legs pale ochraceous, 

 a castaneous spot near intermediate and ])osterior coxaj ; face 

 beneath pale castaneous, space between face and eyes black, 

 containing a transverse ochraceous line ; tegmina and wings 

 hyaline, both ochraceous at base ; tegmina with the costal 

 membrane and about basal half of venation stramineous or 

 pale greenish, costal area and remaining venation fuscous, 

 transverse veins at bases of first to fifth and the seventh 

 apical area and the lower longitudinal margin to seventh 

 somewhat broadly inf uscate ; apical area of basal cell fuscous. 

 Length of head more than half the breadth between eyes, 

 and (including eyes) broader than base of mesonotum ; tyra- 



