Mr. F. Walker on undescrihed Species 0/ Homoptera, 317 



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

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

 which are thicklj' and rudely reticidated 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 -wangs 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. 



OxYBHACHis PONDERIFER. Foe7n. Picea ; thoracis comu erectum, 

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

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

 hyalina) ; auticse basi costaque fusco punctatis. 



Female. Piceous. Thorax pimctm-ed, forming an erect thick horn 

 whose simamit 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 cmn'ed spine which has a pale-yeUow band 

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

 Fore wings brown, and punctm'ed at the base and along the costa. 

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

 JNIoreton Bay. 



This species has most resemblance to 0. rudis. 



Genus Hoplophora, Germar. 



HoPLOPHERA ciCADOiDES. Fosm. Nigra, brevis, lata, crassa, pubescens ; 

 caput brevissimum, fi-onte transversa trigona rugulosa ; tliorax pallide 

 flavus, punctatus, subcarinatus, litm-is duabus anticis punctisque duo- 

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

 flavo bimaculatum; abdomen flavo bifasciatum ; tibise tarsique flava, 

 apice nigra ; alse hyalinse, 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 pimctured, 

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

 front, and with a black point on each side hindward ; scuteUum 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 

 vdth 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. 



