LIST OF HOMOPTEROUS INSECTS. 31 



many irregular minute black marks. Hind wings vitreous, with a 

 slight grayish tinge; veins black. Length of the body 5^ lines ; of 

 the wings 16 lines. 



a. Mexico. From M. Salle's collection. 



* PoiOCEUA CEPHALOTES. 



Mas. Picea ; caput testaceum ; frons plana, subrugulosa, mar- 

 gine non elevato ; fades picea, subcarinata ; thorax subtuber- 

 culatus ; pro thorax subcarinatus ; abdomen atrum lituris 

 duabus basalibus rufif, subtus rufum fasciis nigris ; pedes 

 nigri, coxis anterioribus pedibusque posticis rufis ; ala basi 

 viridi slrigatce ; antica? nigra; costa viridi ; postica vitrea 

 nigro marginatce. 



Male. Piceous. Head testaceous ; front flat, slightly rugu- 

 lose, concave in front ; borders not elevated ; face piceous, very 

 slightly keeled. Thorax slightly tuberculate. Pro thorax very 

 slightly keeled. Abdomen deep black, with a red mark on each 

 side at the base; apical segment with two grooves; under side 

 bright red, with a black band on the hind border of each segment. 

 Legs black; anterior coxse red; hind legs mostly red. Wings with 

 green streaks at the base. Fore wings black; costa green. Hind 

 wings vitreous, bordered with black ; veins black ; the fold blackish, 

 its veins whitish towards the base. Length of the body b\ lines ; of 

 the wings 15 lines. 



a. Tapayos. From Mr. Bates' collection. 



PoiOCERA LINE ATA. 



Mas. Testaceo-viridis ; frons plana, sublubercidata, vix cari- 

 nata ; fades subcarinata ; thorax non carinatus ; abdomen 

 nigrum fasciis cganeis, subtus testaceum fasciis viridibus ; 

 alee antica virides, apices versus nigricantes testaceo venosa, 

 linea intermedia arcuata testacea ; posticus atra, strigis basa- 

 libus venisque ex parte cyaneo-viridibus. 



Male. Dull testaceous-green. Front flat, very slightly tuber- 

 culate, concave on each side, hardly concave in front, with an indis- 

 tinct keel, which is occasionally obsolete ; face very slightly keeled. 

 Thorax not keeled. Abdomen black ; hind borders of the segments 

 blue; under side testaceous, its segments bordered with green. 

 Fore wings green, with a testaceous subcostal line, which is curved 



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