bH- 



350. 

 NECROBIA RUFICOLLIS. 



Order Coleoptera. Fam. Cleridae Lat.^ Lea, 



Type of the Genus, Dermestes ruficollis Fab. 



Necbobia Lat., Oliv. — Corynetes Payk., Fab., Gyl. — Clerus Geo/., 

 DeG., Marsh. — Dermestes Linn., Fab. 



Antenna inserted before the eyes on each side the clypeus, as 

 long as the thorax, pubescent and pilose, 11 -jointed, basal joint 

 rather robust and bent at the base, 2nd small, subglobose, 3rd 

 slender, longer than any of the following, 4 of which are some- 

 what ovate, 8th a little dilated, the remainder forming a com- 

 pressed, distinctly articulated club, 9th and 10th joints cup- 

 shaped, the latter the broadest, terminal joint very large, sub- 

 rhomboidal (6). 



Labruni pocket-shaped, forming 2 short rounded lobes, producing 

 a few long hairs and ciliated at the margin (I). 

 Mandibles subtrigonate, rounded and pilose externally, acute at 

 the apex, one having a narrow, the other a broad triangular 

 tooth beneath the apex, internal margin fleshy and clothed with 

 short pile below the middle (2). 



Maxillae short, forming 2 large lobes, rounded and densely clothed 

 at tlieir extremities with short pubescence, the outer one the 

 largest. Palpi rather long and pilose, 4-jointed, basal joint 

 small, 2nd and 3rd equal, large subovate, 4th considerably 

 longer, fusiform, thin and truncated at the apex (3). 

 Mentum subquadrate. Lip broad slightly emarginate, rounded, 

 densely pilose at the apex. Palpi remote, a little pilose, triarti- 

 culate, basal joint small, 2nd large, obovate truncated obliquely, 

 3rd twice as long, subfusiform, truncated and thin at the apex (4). 

 Head subtrigonate : eyes prominent and globose. Thorax broader, sub- 

 orbicular, rather truncated before, with 2 small angles behind. Scu- 

 tellum small and rounded. Elytra broader than the thorax, oval, 

 truncated at the base. Wings long and ample. Legs rather short, 

 alike : tibiae slender and simple: tarsi all 4-jointcd, dilated and mem- 

 branous at the apex, excepting the terminal joint which is long and 

 slender, basal joint the smallest. Claws slender and acute (5). 



Ruficollis Fab. v. 1. p. 230. 7i. 18. — Curtis's Guide, Gen. 325. n. 2. 

 Shining, pubescent, rufous : antenna3 and eyes dull black : head 

 and thorax coarsely punctured, the former green, the latter vil- 

 lose : elytra greenish blue, excepting at the base, minutely sha- 

 greencd, each bearing 8 rows of punctures : abdomen piceous 

 beneath. 



In the Author's and other Cabinets. 



