Mr. F. Walker on undescribed Species of Homoptera. 317 



Female. Piceous. Thorax punctured, keeled, with two thick 

 ascending, slightly inclined forward, and curved and diverging horns, 

 which are thickly and rudely reticulated towards the tips, where they 

 are armed with a spine on the outer side ; hind part of the thorax 

 forming a spine which extends to the tips of the fore wings and a little 

 beyond the abdomen. Pectus whitish on each side. Wings cinereous 

 hyaline ; veins piceous. Length of the body 3£ lines ; of the wings 8 

 lines. 



Moreton Bay. 



It is most nearly allied to 0. indicans. 



•xyrhachis ponderifer. Fosm. Picea ; thoracis cornu erectum, 

 crassum, apice dilatatum, bispinosiun ; spina postica longa arcuata basi 

 gibba flavoque fasciata; tibiae apice tarsique pallida; alas cinereo- 

 hyalinae ; anticae basi costaque fusco punctatis. 



Female. Piceous. Thorax punctured, forming an erect thick horn 

 whose summit is much dilated hindward and on each side, where it 

 emits an acute horizontal spine, whose tip is tawny ; hind part gibbous 

 in front, ending in a long curved spine which has a pale-yellow band 

 at its base. Tarsi and tips of the tibiae pale. Wings cinereous hyaline. 

 Fore wings brown, and punctured at the base and along the costa. 

 Length of the body 2 lines ; of the wings 5 lines. 



Moreton Bay. 



This species has most resemblance to 0. rudis. 



Genus Hoplophora, Germar. 



Hoplophera cicadoides. Fcem. Nigra, brevis, lata, crassa, pubescens ; 

 caput brevissimum, fronte transversa trigona rugulosa ; thorax pallide 

 flavus, punctatus, subcarinatus, lituris duabus anticis punctisque duo- 

 bus posticis nigris ; scutellum nigro vittatum, basi convexum ; pectus 

 flavo bimaculatum; abdomen flavo bifasciatum; tibiae tarsique flava, 

 apice nigra ; alae hyalinae, venis nigris. 



Female. Black, short, broad, stout, pubescent. Head very short, 

 as broad as the thorax; front rugulose, transverse, triangular. Eyes 

 very prominent. Thorax pale yellow, transverse, minutely punctured, 

 with a slight middle ridge, with an angular black mark on each side in 

 front, and with a black point on each side hindward ; scutellum elon- 

 gate conical, slightly truncated, with a black stripe which does not 

 extend to the tip, and with a convex protuberance at the base. Pectus 

 with a pale-yellow spot on each side in front. Abdomen with a pale- 

 yellow band at the base. Legs pale yellow ; femora and tips of the 

 tibiae and of the tarsi black. Wings hyaline, extending somewhat 

 beyond the abdomen ; veins black, stout. Length of the body 3£ lines ; 

 of the wings 7 lines. 

 Rio Janeiro. 



