2 40 LONOICORNIA. [Stmnyalia. 



slightly pubescent, with the scutellum, breast, and elytra black, the 

 latter rather finely punctured and clothed with fuscous pubescence ; 

 thorax transverse, with the disc convex and impressed on each side with 

 a broad fovea ; sometimes the elytra are entirely rufous, and occasionally 

 their humeral margin alone is of this colour ; the female appears to 

 have the base of the antennae and the apex of the tibi;e and tarsi 

 reddish. L. 9-12 mm. 



On flowers; very rare ; Coluey Hatch Wood, Coomhe Wood, Windsor, and Gam- 

 linphay, Cambridge (Stephens) ; Darenth Wood and Birch Wood (S. Stevens) ; there 

 is one specimen without locality in Dr. Power's collection. 



S. armata, Herbst. (elongafa, Be G.; maculafa, Poda.; <$ calcarata, 

 F.. ^snbspinosa,'F,; s.g. Stennra, Dej.). Elongate, clothed with yellow 

 pubescence, black, with the antenna? and legs variegated with yellow, 

 and the elytra light yellow with very variable black markings and 

 fasciae, which sometimes spread over almost the whole surface., and at 

 others leave the greater part of the elytra yellow ; the basal fascia is as 

 a rule composed of two spots on each elytron, and the second is inter- 

 rupted more or less broadly at suture ; head rather long ; thorax longer 

 than broad with a tubercle on each side, rather closely, but distinctly 

 punctured ; elytra more or less narrowed to apex, shallowly and not 

 closely punctured, emarginate and mucronate at apex. L. 11-17 mm. 



Male smaller and more strongly narrowed behind, with the meta- 

 sternum" furnished in middle with two crests of hairs, and the 

 posterior tibiae thickened, strongly sinuate behind middle, with the 

 sinnation crenulate and terminated by a tooth at each extremity. 



Female with the basal segments of the abdomen marked with yellow, 

 and the posterior tibia? slightly curved at apex. 



On flowers, &c. ; common and generally distributed from the Midland counties 

 southwards, but rarer further north ; Cheshire ; Manchester j Northumberland and 

 Durham district ; Scotland, extremely rare, Solway district, the only record being 

 "Little Ross, Kirkcudbrightshire, Mr. J. T. Syme," Murray's Cat. Ireland, 

 Powerscourt near Dublin. 



S. attenuata, L. Elongate, slender, clothed with yellow pubescence, 

 black, with the elytra furnished with four reddish-yellow bands ; 

 antennae partially ferruginous ; thorax elongate with the sides a little 

 dilated in the middle ; elytra strongly narrowed behind ; legs yellow, 

 with the apex of the posterior tibiae and femora, and the tarsi, black, 

 the latter with the third joint elongate, and only pubescent beneath at 

 apex. L. 10-12 mm. 



Male with the abdomen yellow in the middle, and the fifth segment 

 longitudinally impressed, rather strongly emarginate at apex, and pro- 

 duced on each side in a tooth. 



Female with the abdomen black, and the fifth segment impressed and 

 not strongly emargiuate at apex ; in this sex the second and third 

 segments of the abdomen arc occasionally yellow at baso. 



