338 CATALOGUE OF 



than the fifth. Thorax roughly and very thinly punctured; a large ochra- 

 ceous spot on each side including the hind angle, which is rounded. Scu- 

 lellum thinly punctured, with a semicircular ochraceous baud near the 

 hase. Pectus black. Abdomen beneath piceous; hind borders of the seg- 

 ments on each side and connexivum green. Legs stout ; coxae pale luteous ; 

 femora red towards the tips, the red hue most prevalent in the fore femora; 

 libise furrowed, red at the base. Fore wings with an elongated pale luieous 

 spot in the disk ; membrane blackish. Length of the body 4 Hues. 



It agrees in general structure willi S. pardalis, but forms a distinct 

 section in the genus. 

 a. New Guinea. From Mr. Wallace's collection. 



The eight following species belong to one group, which seems to repre- 

 sent the American group thai has been uamed Arocera. 



80. Steachia frontalis. 



Purpurea aut purpureo-nigra, scite punctata, sublus pallide Jlavum ; caput 

 el thorax Icete rufa; caput slrigis qualuor fasciaque postica abbre- 

 viata purpureis ; rostrum pallide flavum, basi rtifum ; antenna nigrcB, 

 gracillimce, corporis dimidio longiores, articulo lo rufo, 2o flavo ; 

 thorax antice jlavo varius, maculis duabus purpureis magnis sub- 

 quadratis ; scutellum apice testaceo pallida viarginalmn ; pectus 

 purpurea decem-maculatum ; venter purpurea sex-fasciatum ; pedes 

 ptirpurei, femoribus pallide Jlavis purpurea fasciatis. 



Purple or purplish black, elliptical, thickly and finely punctured. 

 Head and thorax bright red. Head small, with an abbreviated purple 

 band on the hind border; this baud emits two lanceolate purple streaks 

 in a line with two other purple streaks on the fore part of the head ; 

 lobes of equal length ; sides hardly reflexed. Rostrum pale yellow, 

 extending to the hind coxffi ; first joint red. AutenniS black, very 

 slender, a little more than half the length of the body; first joint 

 red, not extending to the front of the head ; second yellow, very much 

 longer than the third; fourth as long as the second; fifth a little shorter 

 than the fourth. Thorax varied with pale yellow in front; a large sub- 

 quadrate purple spot on each side of the disk; sides slightly reflexed, 

 rounded in front ; hind angles much rounded. Scutellum extending a 

 little beyond the angle of the corium, bordered with pale testaceous at its 

 tip, its hind part with a very slight keel. Pectus, connexivum and under 

 side of abdomen pale yellow. Pectus with five purple spots on each side, 

 two on the prosiernuui, four on the mesosternum and four on the meta- 

 sternum. Abdomen beneath with six purple bands, of which the first, 

 second, third and fourth are interrupted in the middle. Legs rather long; 

 coxffi and femora pale yellow, the latter with an irregular purple baud near 

 the tip ; tibia? furrowed. Length of the body 7^ lines. 



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



b. Batchian. From Mr. Wallace's collection. 



Var. 0. — Tliorax more completely pale yellow in front; the purple 

 spots very small or quite wanting. 



c. d. Kaisaa. Presented by W. W. Saunders, Esq. 



