LIST OF HOMOPTEROUS INSECTS. 189 



A 



U Ptyelus TENEBRIFER. 



Fuscus, tomentosus, subtus niger ; caput et thorax anticus trans- 

 verse subimpressa; pedes nigri ; alee anticce apices versus 

 subobscuriores ; posticce nigricantes. 



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

 prothurax 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. 



O Ptyelus subnigricans. 



Nigricante-piceus ; caput linea aniica transversa interrupta tes- 

 tacea ; abdomen ex parte coxaque posticce testacea ; femora 

 postica basi aut vitta testaceis ; ala antica apud discum 

 exteriorem subluridce, posticce nigricante-vitrete. 



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

 Blackish piceous. Head with an interrupted transverse testaceous 

 line in front. Abdomen partly dull testaceous. Hind coxa? 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, b. New Hebrides? From Mr. Macgillivray's collection. Voyage 



of H.M.S. Herald. 



& Ptyelus dolosus. 



Nigricans ; caput et prothorax vittis tribus indistinctis testaceis ; 

 genua testacea; femora postica et tibice posticce testacea, apice 

 nigra ; alee anticce apud costam exteriorem lurida ; postica 

 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 tibiae 

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

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

 3 lines ; of the wings 7^ lines. 



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



