LIST OF HOMOPTEROUS IN'SEUTS. 139 



Thelia CONFICITA. 



Falva, rohusta ; caput sat magnum ; prothorax puncturis optime 

 determinatis^ antice vix carinatus, postice carinatus et com- 

 pressus^ apicem versus peracutum subarcuatwi et valde at- 

 tenuatus ; cornua lateraiia plana, subarcuata, peraciUa ; 

 latera testacea, fuho wiivitlata ; tibia posticce subserratce ; 

 alee vitrece ; anticce basi falvce et punctata, apice luridce. 



Tawny, stout. Head rather large. Prothorax very strongly 

 punctured, nearly vertical and hardly keeled in front, keeled and 

 compressed hindward, much attenuated and slightly curved towards 

 the lip, which is very acute, and extends somewhat beyond the ab- 

 domen; horns moderately long, horizontal, very acute and slightly 

 curved backward ; an oblique tawny stripe on each side, which 

 is testaceous. Abdomen testaceous. Hind tibiae minutely serrated. 

 Wings vitreous. Fore wings tawny and punctured at the base, 

 somewhat lurid towards the tips; veins tawny, very stout. Length 

 of the body 3 lines ; of the wings 6 lines. 



a. Rio Negro. From Mr. Wallace's collection. 



Thelia perfecta. 



Testacea, longiuscula, sat gracilis ; caput nigro notatum ; protho- 

 rax rufescens, punctatus, carinatus, dorso angulatus, nigra 

 carinatus ; cornua lateraiia lata, brevii, plana, vix acuta ; 

 alee anticce luridce, dimidio basali punctata rufescente ; posticcB 

 subcinerecs. 



Testaceous, rather long and slender. Head with some black 

 marks. Prothorax reddish, very roughly punctured, oblique from 

 the head to the angle of the keel, and very oblique from the angle 

 to the tip, which extends some distance beyund the abdomen ; 

 lateral horns broad, short, horizontal and directly diverging, hardly 

 acute ; keel black, forming a slightly obtuse angle ; ridges along 

 each side strongly marked. Fore wings lurid, reddish and punc- 

 tured for nearly half the length from the base. Hind wings grayish. 

 Length of the body 3^ lines ; of the wings 7 lines. 



a. Napo River, S. America. From Mr. Stevens' collection. 



