134 Mr. 0. E. Janson's Notices of 



Tliu only specimens of this well marked species which I have 

 seen, were captured by my brother, Mv. E. M. Janson, in the 

 province of Chontales, JN^icaragua ; its nearest ally appears to 

 me to be C. suhviolacea, G. & P. Coll. Janson. 



/SteiiutciJ'b-ia Scott/', n. sp. Plate I. hg. 7. 



S. nigra, supra opaca, capite nitido, thorace, scutello, elytris- 

 que ol)scure croceis, thorace plaga magna discoidali, scutello 

 marginibus elytrisque maculis quatuor nigris. Long. 14 mm., 

 lat. 7 mm. 



lilack, above (with the exception of the head) opaque, thorax, 

 scutellum and elytra of a dirty sali'ron yellow, the hrst with 

 a large discoidal patch, the second with its margins, and the 

 last with four (two on each) spots black.- 



Head black, shining in front, dull behind, finely and rather 

 sparsely punctate ; clyi)eus dilated anteriorly, its apex rounded 

 and distinctly emarginate, margins reflexed ; lamelhe of antennae 

 rufous at their tips. 



Thorax nearly circular, truncate in front, impunctate, of a 

 sordid saffron yellow, with a large subquadrate black patch 

 (widest at the base, sinuate at the sides and apex) covering 

 nearly the entire disc, sides fringed with coarse yellowish grey 

 hairs. 



SciiteUuni impunctate, of the colour of the thorax, its base 

 broadly its margins narrowly pitchy. 



Elytra coarsely but shallowly and very sparsely punctate, 

 with a slightly raised longitudinal ridge on the disc, separately 

 rounded at the apex, the sutural angle slightly produced, of the 

 colour of the thorax, each with two black spots, one, small, 

 nearly round, near the apex of the scutellum, the other trans- 

 verse quadrate, at about one third from the apex and nearly 

 equidistant from the suture and lateral margin ; epimera black. 



Pijij'uUam large, nearly vertical, pitchy red, transversely stri- 

 gose. 



Beneath black, abdomen tinged posteriorly vpitli red, shining, 

 sparsely arcuate-punctate, clothed with a sparse, yellowish grey 

 pubescence, of which a patch is particularly conspicuous at the 

 side of each segment : mesosternum scarcely produced, its apex 

 truncate ; legs black, shining, punctate and pubescent, anterior 



