Mr. F. Walker on undescrihed Species of Homoptera. 313 



tribus saturate viridibus ; aloe anticaa linea flava nigro punctata semi- 

 . marginata?, apice rotuudata?, costa basi couvexa, litura apud marginem 

 interiorein e piuictis tribus uigi-is, angido interiore producto acuto. 



Female. Pale green. Head and prothorax witli a brighter-green 

 ridged stripe. Head conical, acute ; its length a little less than half 

 its breadth ; front much longer than broad, ha\dng on each side a rim 

 which is dilated towards the face, and attenuated towards the vertex. 

 Prothorax slightly concave beliind, very convex in front, more than 

 twice as broad as long. Mesothorax with three brighter-green ridges. 

 Legs whitish green. Fore ^\^ngs broad ; costa and exterior border 

 fomiuig a roimded right angle ; costa convex, straight along the ex- 

 terior part, where it, like the exterior border and the apical part of the 

 interior border, is yeUow with black points; exterior border quite 

 straight, not oblique ; interior border tubercidate, except along the 

 apical part, which commences \\ith a cluster of three black points ; 

 interior angle prominent, acute ; veins ramifying ; transverse veinlets 

 very nmnerous ; costal transverse veinlets nearly regidar and parallel 

 from the base to the beginning of the apical part. Length of the body 

 3 lines ; of the wings 10 lines. 



Siam. 



PfECixoPTERA EOSEiciNCTA. Foem. Viridis ; caput et thorax roseo et 

 ochraceo varia ; vertex sidcatus ; frons carinata, submarginata ; meso- 

 thorax planus ; pedes roseo-albidi ; alse anticse nigTo punctatae, apice 

 rotundatfe, roseo semimarginatfe, costa subconvexa basi albida, margine 

 interiore tuberculato vix concavo, angido interiore rotimdato. 



Female. Green. Head and thorax varied with rosy-red and with 

 ochraceous. Head convex in front, frdl thrice as broad as long; 

 vertex with a longitudinal fruTOw; front broader than long, with a 

 longitudinal ridge, and with a slight rim on each side. Prothorax 

 convex in front, more than twice as broad as long. Mesothorax flat. 

 Legs whitish, tinged with rosy. Fore wings moderately broad, with 

 several minute black points; costa and exterior border forming a 

 roimded right angle ; costa slightly convex, whitish towards the base, 

 its apical part and the whole of the exterior and interior borders deep 

 rosy-red ; exterior border straight, not oblique ; interior border tuber- 

 cidate along most of the length, very slightly concave ; interior angle 

 rounded ; veins slightly ramifying ; transverse veinlets numerous ; 

 costal transverse veinlets regidar, parallel, slightly oblique. Length of 

 the body 3 lines ; of the wings 9 lines. 



Moreton Bay. 



PcEcrLOPTEEA EBUBESCENS. Mas. Pallide testacea; caput et thorax 

 riifo punctato ; vertex brevis, carinatus ; frons marginata, tricarinata, 

 nigro punctata; aire auticaj subroseo-albidje, roseo pimctatoe, apice 

 subrotiindataj, costa basi subconvexa, margine exteriore recto nigro, 

 margine interiore lineola nigra basi tubercidato, angido interiore pro- 

 ducto acuto. 



