RHYPAROCHROMID^. 169 



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

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

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

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

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

 inner basal angle ochreous. Z(?y^ brown-red ; tliighs ; 1st pair beneath 

 somewhat flattened, almost channeled ; the anterior edge with a 

 row of small teeth, and one large one beyond the middle ; tihicB 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, Sat/. 



(Amer. Ent. IS.) 

 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. AntenncB 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. Eostrum reaching almost 

 to the 2nd pair of coxsd. 



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 



