RHYPAROCHROMID^E. 169 



brown, the side margins narrowly reflexed. Scutellum black, finely 

 punctured. Elytra ; Clavus and Corium finely punctured in rows, cin- 

 namon- or rust-brown, dull ; Corium on the inner side generally of a 

 darker shade ; the broad anterior margin clear, unpunctured ; Mem- 

 brane light brown ; nerves concolorous ; the inner margin fuscous ; 

 inner basal angle ochreous. Legs brown-red ; ihiglis ; 1st pair beneath 

 somewhat flattened, almost channeled; the anterior edge with a 

 row of small teeth, and one large one beyond the middle ; tiUce with 

 fine, distant hairs ; tarsi hairy beneath, the last of the 3rd joint 

 piceous. 



Abdomen above, shining pitchy-black, the centre and sides light 

 brown ; Connexivum pitchy-black, hindwardly more or less cinnamon- 

 brown. Underside shining, pitchy-black, finely punctured. 



Length, 3| lines. 



Common in autumn and spring, on Scotch fir (Pinus sylvestris), 

 and larch (P. larix), and in winter under the bark. 



Genus 2. PLOCIOMERUS, Say. 



(Amer. Ent. 18.) 

 Long- oval. 



Head long, convex, 5-sided, a little narrowed behind the eyes ; 

 antenniferous processes short and stout, produced before and be- 

 low the eyes ; Face long, triangular ; central lobe long, convex, the 

 end obtuse ; side lobes much shorter than the central one, the end 

 acute. Antennae long, slender ; 1st and 4th joints thicker than the 

 2nd and 3rd ; 1st not so long as the head, but \ its length projects 

 beyond the end of the face ; 2nd and 3rd a little thickened at the 

 apex ; 2nd not quite double the length of the 1st ; 3rd shorter than 

 the 2nd ; 4th as long as the 2nd, long-fusiform. Eyes large, round, 

 prominent, but somewhat flattened. Ocelli large, rather more dis- 

 tant from each other than from the eyes. Rostrum reaching almost 

 to the 2nd pair of coxae. 



Thorax. Pronotum as long as its greatest breadth, greatly 

 constricted in the middle, where there is a deep, narrow, trans- 

 verse depression, as it were dividing the disk into 2 parts. The fore 

 portion much narrower than the hinder, very convex ; sides immar- 

 ginate, rounded ; anterior margin with a distinct collar, wider at the 



