46 DESCRIPTION OF LATHROBIUM CARINATUM. 



I. — Description of Latiirobium carinatum,^ an apparently un- 

 described British Coleopterous Insect. By Thos. John Bold. 



[Read at the Field Meeting, held at Alnwick, August 31st, 1854.] 



Family— STAPHYLINID^. 



Lat/irohium. 



L. CARINATUM, Bold. 



Zoologist, p. 4483. — Entomologists' Annual, 1855, p. 91, 

 fig. 6.— Id., Second Edition, 1855, p. 123, fig. 6. 



Deep jet black, very glossy, sparingly clothed with griseous 

 pubescence. 



Head large, fully one-third wider than the thorax, orbicular, 

 depressed, closely and very distinctly punctured, with an impres- 

 sion a little before the vertex in front ; labrum rufous, fringed 

 with golden hair ; mandibles long, curved, prominent, rufous, 

 black on the outer edges, and at the tip; antennae elongate, as long 

 or longer than the head and thorax together, graceful, rufous ; 

 the basal joint with a dusky annulation ; palpi also rufous. 



Thorax narrow, elongate oval, much depressed, coarsely punc- 

 tulated, with a distinctly elevated central carina, which is ex- 

 ceedingly smooth and glossy. 



Scutellum obtusely triangular, punctulated. 



Elytra bright blood- red, black for one-third the length at the 

 base, distinctly punctulate, somewhat wider than the thorax, 

 parallel, depressed ; the suture elevated, \vith a stria on each side. 



Abdomen depressed, strongly margined, very finely punctured, 

 the antepenultimate segment narrowly edged with white, the 

 last sparingly covered by stout black diverging hairs. 



Beneath finely punctured and pubescent, black. 



Legs elongate, black, the trochanters rufo-brunneous ; the 

 apices of the tibia and the tarsi rufous, and covered with aure- 

 ous pubescence. 



* In a paper communicated to the Entomological Society of London, March 5, 1855, 

 Dr. Schaum refers this species to L. angiisticalle, Boisd. and Lacord.,but as I think 

 his opinion is formed on insufficient grounds, I retain the name by which X have 

 designated it.— T. J. B. 



