LIST OF HOMOPTEROUS INSECTS. 



Ptyelus TENEBRIFER. 



Fiiscus, tomentosus, suhtiis niger ; caput et thorax anticus trans- 

 verse sicbimpressa ; pedes nigri ; alee anticce apices versus 

 suhobscuriores ; posticce nigricantes. 



Brown, tomentose, black beneath. Head and fore part of the 

 prothorax slightly impressed transversely. Legs black. Fore wings 

 slightly darker towards the tips. Hind wings blackish. Length of 

 the body 4 lines ; of the wings 10 lines. 



a. Sarawak, Borneo. From Mr. Wallace's collection. 



Ptyelus subnigricans. 



Nigricante-piceus ; caput linea antica transversa interrupta tes- 

 iacea ; abdomen ex parte coxaque posticce testacea ; femora 

 postica basi ant vitla testaceis ; alee antica apud discum 

 exteriorem subluridce, posticce nigricante-vitrete. 



Resembles P. reticulatus, but with the head less prominent. 

 Blackish piceous. Head with an interrupted transverse testaceous 

 line in front. Abdomen partly dull testaceous. Hind coxae dull 

 testaceous. Hind femora testaceous towards the base, or with a 

 testaceous stripe. Fore wings slightly lurid in the exterior part of 

 the disk. Hind wings blackish vitreous. Length of the body 

 5 lines ; of the wings 14 lines, 

 a, 6. New Hebrides? From Mr. Macgillivray's collection; Voyage 



of H.M.S. Herald. 



Ptyelus dolosus. 



Nigricans ; caput et prothorax vittis iribus indistinctis testaceis ; 

 genua testacea; femora postica et tibice posticce testacea^ apice 

 nigra; alee anticce apud costam exteriorem luridcc ; posticce 

 cinereo-vitrece. 



Resembles P. obscurus, but with the head more conical in 

 front. Blackish, Head and prothorax with three indistinct dull 

 testaceous stripes. Knees testaceous. Hind femora and hind tibia? 

 testaceous, with black tips. Fore wings lurid along the exterior 

 part of the costa. Hind wings viireous-gray. Length of the body 

 3 lines ; of the wings 7i lines. 



a. Port Natal. From M. Gueinzius' collection. 



