LIST OF HOMOPTEROUS INSEOCIS. 139 
THELIA CONFIOITA. 
Fulva, robusta ; caput sat magnum; prothorax puncturis optime 
determinatis, antice viv carinatus, postice carinatus et com- 
pressus,, apicem versus peracutum subarcuatus et valde at- 
tenuatus; cornua lateralia plana, suburcuata, peracuta ; 
latera testucea, fulvo univittata; tibie postice subserrate ; 
ale vitree ; antice basi fulve et punctate, apice luride. 
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 tip, 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 tibi# 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. Wailace’s collection. 
THELIA PERFECTA. 
Testacea, longiuscula, sat gracilis ; caput nigro notatum ; protho- 
rax rufescens, punctatus, carinatus, dorso angulatus, nigro 
carinatus ; cornua lateralia lata, brevia, plana, vix acuta ; 
ale antice luride, dimidio basali punctato rufescente ; postica 
subcineree. 
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 beyond 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 34 lines ; of the wings 7 lines. 
«. Napo River, S. America. From Mr, Stevens’ collection, 
