Vb ME. WALKEE S CATALOGUE OF HOMOPTEEOTJS INSECTS 



Gen. Colsa. 



Corpus subfusiforme. Caput sat magnum, thorace paulld angustius ; vertex 

 depressus ; frons convexa ; facies brevi-conica, lateribus imprcssis. An- 

 tennae brevissimse ; seta brevis. Prothorax brevis, antice angustior. Meso- 

 thorax subpunctatus ; scutellum excavatum. Alee angustse, apice rotun- 

 datse, anticse venulis nonnullis costalibus apicalibus venisque quatuor 

 longitudinalibus, la 2&que furcatis. 



Body subfusiform, shining. Head rather large, a little narrower than the 

 thorax; vertex somewhat depressed; front convex; face short-conical, 

 impressed on each side. Antennse very short ; bristle shorter than the 

 breadth of the head. Prothorax narrower in front, about six times broader 

 than long. Mesothorax minutely punctured ; scutellum with a fusiform 

 depression. Wings narrow, rounded at the tips. Fore wings with four 

 longitudinal veins ; 1st springing from the middle of the costa, emitting 

 a fork towards the tip of the costa, and ending at somewhat behind the 

 tip of the wing ; 2nd forked near the base, springing from near the base of 

 the costa ; the forks connected by a veinlet at half their length ; the fore 

 fork emitting a branch to the 1st vein ; 3rd slender, springing from near 

 the base of the costa, ending on the hind border with a veinlet which con- 

 nects it with the hind fork of the 2nd vein ; 4th springing from very near 

 the base of the costa, and extending obliquely to the hind border ; several 

 oblique veinlets at the tip of the costa. 



58. Colsa cost^esteiga, n. s. Nigra, subtus testacea, prothorace scutello- 

 que testaceis, abdomine testaceo fascia nigra, coxis femoribusque testaceis, 

 alis limpidis, venis nigris crassis, costa nigra, stigmate albido-testaceo. 



Black, testaceous beneath. Prothorax and scutellum testaceous. Abdomen 

 testaceous, with a black band. Legs black ; coxae and femora testaceous. 

 Wings limpid ; veins black, thick ; costa black ; stigma whitish testaceous. 

 Length of the body 2£ lines ; of the wings 6£ lines. 



Malacca. 



Subtrib. Apheophoeldes, Amyot et Serv. 

 Gren. Ptteltjs, St. Farg. et Serv. 



\/ 59. Ptteltjs bipaes, n. s. Testaceus, capite supra thoraceque testaceis, 

 pectore testaceo-bivittato, alis anticis vitta brevi postica fasciaque testaceis, 

 posticis fuscescentibus. 



Black. Head above and thorax testaceous. Pectus with a testaceous stripe 

 along each side. Fore wings with a testaceous stripe which extends along 

 half the length of the hind border from the base, and is united to a testa- 

 ceous band across the middle. Hind wings brownish. Length of the 

 body 4 lines ; of the wings 9 lines. 



Singapore. 



60. Ptyelus immutatus, n. s. Testaceus, capite subtus nigricante, pectore 

 ex parte abdomineque nigris, tibiis apice nigris, alis anticis subpubescen- 

 tibus, posticis cinerascentibus. 



Testaceous. Head blackish beneath and with the usual ridges. Pectus partly 

 black. Abdomen black. Tibige black at the tips. Fore wings minutely 



