306 Mr. F. Walker on unclescribed Species of Homoptera. 



a slight rim and with a middle ridge ; front flat, a little longer than 

 broad, slightly convex and with a middle ridge towards the vertex. 

 Antennae long, linear, terminating in a long slender bristle. Prothorax 

 more than twee as broad as long, arched and vitreous in front, extend- 

 ing over part of the vertex, slightly concave behind. Mesothorax flat, 

 with three slight ridges, fonning a short spine hindward. Abdomen 

 elongate conical, about half the length of the fore wing. Legs rather 

 slender ; femora and tibia} flattened, ridged ; fore femora and fore tibiae 

 dilated. Wings vitreous. Fore wings with the transverse veinlets 

 forming two upright parallel lines ; discal areolets very long ; costal 

 areolet extremely long, with two approximate oblique veinlets at its tip. 



This genus may be distinguished from Dichoptera by the structui'e 

 of the legs, wherein it has some affinity to Poiocera obliqua ; and the 

 latter shovild form a new genus. 



Hesticus pictus (PI. XV. f. 5). 3Ias. Eufescens ; caput pallide viride, 

 verticis disco luteo, fronte supra nigra lateribus albis, facie supra Isete 

 rufa ; abdomen vittis duabus nigris viridi ex parte marginatis ; pedes 

 autici laste rufi, tibiis uigro marginatis ; posteriores pallidi ; aliB anticae 

 vitreae, nitentes, fusco aut nigro-fusco semimarginatae, stigmate fusco 

 elongate, venis fulvis, venulis transversis nigi-is nebulosis. 



Male. Reddish. Vertex pale green, mostly luteous in the disk; 

 front pale green, black towards the vertex, white on each side ; face 

 bright red towards the base. Abdomen with two black stripes, partly 

 green on each side. Posterior legs pale ; fore legs bright red ; fore 

 tibiae bordered with black. Fore wings vitreous, shining, brown or 

 blackish brown along the exterior border and along the apical half of 

 the interior border ; stigma bro^vn, elongated ; veins tawny ; transverse 

 veinlets black, clouded. Length of the body 4:^ lines ; of the wings 

 15 lines. 



Rio Janeiro. 



Genus Dictyophoea, Germar. 



DiCT YOPnoBA SAUBOPSis. Mus. Fulva ; caput attenuatum, quadi-angu- 

 latum valde productum, subtus rufescenti-ochraceum tricarinatum ; 

 prothorax carinatus ; mesothorax bicarinatus ; alae cinereo-hyalinae, 

 venis nigris basi fidvis, venulis ti'ansversis incrassatis ; anticae stigmate 

 elongate nigro. 



Male. Tawny. Head forming a long quadrilateral, slightly taper- 

 ing cone, which has a rim on each side above and beneath ; underside 

 reddish ochraceous, with three additional pale ridges. Prothorax 

 arched, more than four times as broad as long, with a middle ridge. 

 Mesothorax with two ridges. Wings cinereous hyaline ; veins black, 

 pale tawny towards the base ; transverse veinlets incrassated. Fore 

 wings with an elongated black stigma. Length of the body 5 lines ; 

 of the wings 10 lines. 



Dacca. 



