LIST OF HOMOPTEROUS INSECTS. 163 



Black, stout. Protborax roughly punctured, hardly keeled 

 in front ; lateral horns short, conical, acute, horizontal, directly 

 diverging ; hind part attenuated, keeled, very slightly curved, acute 

 at the tip, hardly extending beyond the lip of the abdomen ; a tes- 

 taceous tomenlose dot on each side at the base ; pectus v?ith 

 testaceous tomentum on each side. Tibice and tarsi ferruginous. 

 Wings cinereous-vitreous ; veins ferruginous. Fore wings piceous 

 and punctured at the base. Length of the body 3 lines ; of the 

 wings 6 lines. 



a. Tasmania. 



Centrotds trifoliaceus. 



Niger, validus ; protkorax subpuJicfatua, carinatus, lineis elevatis 

 fulvis, cornubus lateralibus latissimis trigonis subascendenti- 

 biis, apice acutis poslico vix arcuatis ; cornu posticum altis- 

 simum, valde convexum, cpice acutum ; abdomen cornu 

 posticum superans ; alee antic(B fusca, macula basali litura- 

 que discali testaceis^ maculis duabus marginalibus vitreis ; 

 posticce subcinerecE. 



Black, stout. Prolhorax minutely punctured, distinctly 

 keeled iu front; ridges tawny ; lateral horns- very broad, triangular, 

 diverging, slightly ascending, acute at the tips, hardly curved back- 

 ward ; hind horn compressed, keeled, very deep and convex, acute 

 at the tip, not extending to the tip of the abdomen. Fore wings 

 brown, with a testaceous spot near the base, a testaceous mark 

 in the disk, and two vitreous spots on the exterior border. Wings 

 lawny. Hind wings grayish. Length of the body 3 lines ; of the 

 wings 6 lines. 



a. North China. From Mr. Fortune's collection. 



CeNTROTUS ACER. 



Niger, subpunctalus, valde pubescens ; prothorax cornubus laterali- 

 bus longis lunceolatis acutis oblique ascendentibus ; cornu 

 posticum attenuatum, acutum, rectum, abdomen non superans ; 

 femora apice, tibia; tarsique ferruginea ; alee cinereo-vitrece ; 

 anticce basi nigra punctata, venis ferrugineis. 



Black, minutely punctured, very pubescent. Prothorax hardly 

 keeled in front ; lateral horns long, lanceolate, acute, diverging, 

 obliquely ascending ; hind horn attenuated, acute, quite straight, 



