312 Mr. F. Walker on undescn'bed Sjyecits of Homoptera. 



punctisque pliirimia marginalibus distinctis pallidis, margine ex parte 

 fuscescente, macula costali exteriore elongata albida ; postica) nigricanti- 

 cinereae. 



Male. Testaceous. Front with two black dots. Thorax with a 

 blackish mark on each side. Legs paler than the body. Fore wings 

 with a few indistinct pale points in the disk, and with more numerous 

 and distinct pale points along the border, which is partly brownish ; 

 costa convex towards the base, with a large elongate whitish spot 

 towards the tip; interior border with two black points towards the 

 tip. Hind wings blackish cinereous ; veins black. Length of the body 

 2 \ lines ; of the wings 7 lines. 



Moreton Bay. 



Genus Ricania, Gennar. 



Ricania chrysopoides. Mas. Viridis ; vertex rufescens ; frons cari- 

 nata ; thoracis discus rufescenti-fuscus ; abdomen nigro late vittatum ; 

 alse hyalinae, venis nigris ; anticse stigmate fusco. 



Male. Green. Head short, a little narrower than the thorax ; vertex 

 reddish, transverse quadrate ; front quadrate, longer than broad, with 

 a rim on each side and a middle keel. Disk of the thorax reddish 

 brown. Abdomen with a broad black stripe. Wings hyaline ; veins 

 black. Fore wings with numerous transverse veinlets, some of which 

 form a regular submarginal line ; eleven regular parallel slightly oblique 

 costal veinlets between the base and the stigma, which is brown. 

 Length of the body 1\ lines ; of the wings 9 lines. 

 Sydney. 



*l Genus Colobesthes, Amyot et Serville. 



Colobesthes exalt ata. 31as. Alba : caput conicum, subascendens ; 

 frons obliqua, submarginata, tricarinata ; aloe antica? apice subrotun- 

 datse, costa subconvexa apicem versus subconcava, margine exteriore 

 recto non obliquo, angulo interiore acuto valde producto. 



Male. White. Head conical above, slightly ascending ; front oblique, 

 a little longer than broad, with three slight ridges, and with a slight 

 rim on each side. Fore wings broad ; costa and exterior border form- 

 ing a slightly rounded right angle ; costa very slightly convex from the 

 base to beyond the middle, very slightly concave from thence towards 

 the tip ; exterior border quite straight, not oblique ; interior angle acute, 

 very much produced ; veins ramifying ; transverse veinlets very numer- 

 ous, except towards the exterior border, where the areolets are very 

 long; costal transverse veinlets regular, parallel, slightly oblique. 

 Length of the body 4 lines ; of the wings 10 lines. 

 Coupang, Timor. 



Genus Pceciloptera, Latreille. 



/ ° Pceciloptera bipunctata. Fcem. Pallide viridis ; caput carina satu- 

 rate viridi, fioutis margine faciem versus dilatato ; mesothorax carinis 



