327. 

 NEMOSOMA ELONGATUM. 



Order Coleoptera. Fam. Bostricidae Lat. 



Type of the Genus, Dermestes elongatus Linn. 



Nemosoma Lat., Gyl., Lea. — Colydium Hel., Herb. — Ips 01. — Der- 

 mestes Linn. 



AntenncB inserted before the eyes near the base of the mandibles, 

 not longer than the head, clavate, slightly pilose, 10-jointed, 

 basal joint longer and more robust than the 6 following, 2nd 

 joint globose, the 5 following slender, gradually increasing in 

 diameter, the remainder very large, the 8th and 9th cup-shaped, 

 but rather eccentric, 10th subovate-globose (6). 

 Labrum pocket-shaped, being emarginated before and ciliated 

 with long bristles (1). 



Mandibles porrected, elongate-trigonate, strongly denticulated 

 on the internal side towards the apex (2). 

 Maxillce terminated by a long lobe densely ciliated. Palpi short, 

 nearly equal, 4-jointed, 3 first joints short, the 2nd and 3rd sub- 

 quadrate, 4th long subfusiform truncate (3). 

 Mentum closely united to the head, anterior margin sinuated. 

 Labium small subquadrate, emarginate and very pilose before. 

 Palpi inserted towards the middle of the lip, triarticulate, 1st 

 and 2nd joints subglobose, 3rd long, externally convex and 

 truncated (4). 

 Head long subovate. Eyes small, lateral. Thorax subcylindrical, as 

 long as, and not broader than the head. Scutellum very minute. 

 Elytra rather longer than the head and thorax, elliptical, cylindrical 

 and rounded at the apex. Wings very ample. Legs alike, very 

 short, posterior rather remote. Thighs thick. Tibiae vnth short 

 spines at the apex. Tarsi all 4-jointed, basal joint a little longer 

 than the 2nd and 3rd ; the 4th as long as the others united, clavate. 

 Claws bent and acute (5). 



Elongatum Linn. Faun. Suec. p.l41.n.409. — Curtis's Guide, Gen.249. 

 Black shining. Antennae and legs pale ferruginous. Head and 

 thorax covered with oval punctures, the former having a channel 

 down the front, deepest towards the clypeus. Elytra ferrugi- 

 nous-ochre from the base nearly to the middle, and a large spot 

 of the same color near the apex; they are indistinctly punctured, 

 forming irregular and faint striae j at the apex near to the suture 

 is a deep channel on each side extending round the apex and 

 forming a thickened margin. 



In the Author s and other Cabinets. 



