338 CATALOGUE OF 



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

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

 lellum thinly punctured, with a semicircular ochraceous band near the 

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

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

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

 tibiae furrowed, red al the base. Fore wings with an elongated pale luieous 

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



It agrees in general structure with S. pardaliSf 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 that has been named Ai-ocera, 



80. Str.vchia frontalis. 



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

 et thorax tcete rufa ; caput strigis quatuor fasciaque postica abbre- 

 viata purpureis ; rostrum pallide flavum, basi rufum ; antenna nigra, 

 gracillima, corporis dimidio longiores, arliculo \o rufo, 2o flavo ; 

 thorax anlice Jlavo varius, maculis duabus purpureis magnis sub- 

 quadratis ; scutelluni apice teslaceo pallida marginatum; pectus 

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

 purpureijfemoribus 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 coxa; ; first joint red. AntennsE black, very 

 slender, a little more than half the length of tlie 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 purjile 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 wilh pale testaceous at its 

 tip, its hind part wilh a very slight keel. Pectus, conuexivum and under 

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

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

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

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

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

 the tip ; tibiae furrowed. Length of the body 7^ lines. 



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



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



Var. (3. — Thorax more completely pale ye'low in front; the purple 

 spots very small or quite v/anting. 



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



