IIRMIPTERA lIETEnOP^KRA 397 



lobes. Rostrum extending to the hind coxne; tip Mack. Antennae slender, 

 .1 Utile more than half the lengtli of the body ; first joint extending much 

 beyond the front of the head; second longer than the ihird. Thorax 

 mostly smooth in front, with a slender black l)and between the hind 

 angles, which form two black long slender directly diverging spines. 

 Sculellum with a large luteous discal spot, which is slightly bordered with 

 brown and emits a line to the tip, the latter also luteous. Pectoral keel 

 deep. Abdomen beneath slightly keeled : spine extending to the middle 

 coxae. Fore wings with a black irregular interrupted subcostal stripe; 

 membrane pale cinereons. Length of liie body oj lines. 



Very closely allied to A.notala; the spines of the thorax are some- 

 what more slender. 



a. New Guinea. Presented by W. W. Saunders, Esq. 



24. ACANTHOSOJIA DELICATOLA. 



Lutca, elliptica, nigra punctata; caput lo)t(/iusculnm, lubo medio lohos 



laterales paullo siiperante; rostrum se</meutum ventrale 2um allingens; 



anlenncc graciUimce, apice nigrce, corpora breviores ; thorax antice 



subrugulosus, spinis diiabus acutis brevisnimis ; sculellum fuscum, 



liluris duabus basalibiis luteis, apice pallide luteo ; venter carinaius, 



spina brevi ; alee anticce apices versus nigrce, callo subcostali luteo. 



Luteous, elliptical, roughly punctured, testaceous beneath; punctures 



black. Head elongate; the punctures mostly forming two stripes; middle 



lobe extending a little beyond the lateral lobes. Rostrum extending lo 



the hind border of the second ventral segment; tip black. Antennae very 



slender, much more than half the length of the body; first joint ex- 



teuding much beyond the front of the head; second much longer than 



the third; fourth nearly as long as the third; fiftii black except 



at the base, shorter than the fourth. Thorax less thickly punctured 



and slightly rugulose in front; hind angles forming two acute very 



short spines. Scutellum brown, pale luteous towards the tip, with a 



luteous mark on each side at the base. Pectoral keel extending beyond 



the fore coxae, deeper near its lip. Abdomen keeled l)eneath; spine short. 



Legs slender. Fore wings black along the exterior part of the costa; a 



subcostal callus near the tip ; membrane cinereous. Length of the body 



3 lines. 



a. Tondano. Presented by W. W. Saunders, Esq. 



Australia 



25. ACANTHOSOMA LINEA, C. H. 308. 



a. Australia. Presented by Sir J. Richardson. 



26. AcANTHOSOMA PLACIDA. 



Pallide viridi-teslacea, elliptica, dense punctata ; caput longiusculum, lubo 

 medio lobos laterales perpaullo siiperante; antenna riif(S, corporis 

 dimidio non Inngiores : thorax fascia antica glabra abbrevinta, fascia 

 poslica purpureo-rnfa, angulis poslicis obtusis ; venter ovhraccus, 

 spina castas posticus atlingentc ; alee anticce costa vittuque pasticn 

 purpurco-rnjis, membrana limpida. 



