HEMIPTEKA HOMOPTERA OF CEYLON. 167 



tlie thorax is thickly and coarsely but uniformly granulated, 

 without isolated raised points ; the lateral horns are more upright, 

 not passing beyond the head, and the central spine has only one 

 lateral carina on each side. There are two conspicuous white 

 spots in front of the pronotum before the horns, and two more 

 at the base of the scutellum. Tegmina black, the nervures rufo- 

 testaceous at the extremity, and the inner margin broadly hyaline, 

 except at the base and tip. 



Allied to C. granulatus. 



Pundaloya. 



*tCENTBOTUS BUBALUS, sp. U. 



Long. Corp. cum tegm. 6 millim. ; exp. corn. 4 millim. 



Deep black ; horns long and slender, rising upwards and out- 

 wards, and then bent more downward and backward at the tips ; 

 central spine rising obliquely upwards nearly to the level of the 

 lateral horn, and then curved over nearly at a right angle and 

 extending almost to the end of the tegmina, the extremity showing 

 a slight upward tendency. Tegmina yellowish hyaline, with 

 whitish nervures ; costa black at the base for three fourths of its 

 length, and then brown, after an interruption, to the tip ; hind 

 margin more narrowly black for half its length ; a dusky spot on 

 the costa and inner margin before the extremity ; pleura with a 

 white waxy exudation which extends rather broadly over the sides 

 of the pronotum and the base of the scutellum ; legs testaceous 

 (front legs rufo-testaceous), with the tips of the tibiae and tarsi 

 blackish. 



Eesembles C. albovenosus in many respects ; but the form of 

 the spine is very peculiar and characteristic. 



Pundaloya. 



^fCENTEOTUS IMITATOR, sp. U. 



Long. Corp. cum tegm. 5 lin. ; exp. corn. 3 millim. 



Deep black, thickly and rather linely punctured ; pectus with 

 white waxy efHorescence, which extends along the borders of the 

 pronotum and invades the base of the scutellum ; lateral spines 

 moderately long and slender, almost horizontal ; central spine 

 slightly raised at the extremity and gradually curved backwards, 

 as long as the body. Legs rufo-testaceous; coxse black; tarsi 

 inclining to blackish ; hind legs pale testaceous. Tegmina yel- 

 lowish hyaline, with whitish nervures ; costa with a broad black 

 band for three fourths of its length, towards the extremity of 



