96 MR. AVALKEK's CATALOGLE of nOMOPTEEOUS I>'SECT3 



Gen. CoLSA. 



Corpus subfusifornie. Caput sat magnum, tliovace paiillo aiigiistivis ; vertex 

 depressus ; frons convexa ; facies brcvi-conica, lateribus impressis. An- 

 ;fe»»cE brevissimte ; setabrevis. Pro^Aora.r brevis, antice angustioi". Meso- 

 thorax subprnictatus ; scutellum excaratmu. Alee aiigiistse, apice rotun- 

 datae, anticse venulis nomiullis costalibus apicalibus venisque quatuor 

 longitudiiiaKbus, la. 2'ique fm-calis. 



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

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

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

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

 than long. Mesothorax minutely punctui'ed ; scuteUiim with a fusiform 

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

 longitudinal vems ; 1st springing from the middle of the eosta, 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 emittmg 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 ; 4tli springing from very near 

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

 oblique vehilcts at the tip of the costa. 



58. CoLSA cosTiESTEiGA, n. s. Nigra, subtus testacea, prothorace scutello- 

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

 aUs liinpidis, venis nigris crassis, costa nigra, stigraate albido-testaceo. 



Black, testaceous beneath. Prothorax and scuteUiun testaceous. Abdomen 

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

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

 Length of the body 2^ hnes ; of the wings 6^ lines. 



Malacca. 



Subtrib. Aphhophoeides, Amyot et Serv. 

 Gen. Ptteltjs, St. Farg. et Serv. 



59. Pttelus bipaes, n. s. Tesiaceus, 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 tcstaceom 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 luies. 



Singapore. 



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

 ex parte abdomineque nigris, tibiis ajiice nigris, ahs anticis subpubescen- 

 tibus, posticis cinerasceutibus. 



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

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



