100 RHYNCHOrHORA — RCOLYTIDAE. 



female sliort cylindrical, about one quarter longer than 

 togetlier broad. L. male f 1., female 1| 1. Bare. 



X. dispar, Fab. 



J?. Elytra double as long as togetlier broad. 



a. Hinder part of thorax finely and diffusely punctured. 



Pitch-brown or reddish-brown. Thorax longer than 

 broad, front convex and closely granulate ; elytra with 

 punctured striae, interstices with a row of fine punctures, 

 flattened apical declivity with two or three rows of small 

 granules. L. 1 — 1\ 1. Not uncommon. 



X. dryographus, Er. 



J). Hinder part of thorax impunctate. 



Very similar to X. dryogra2Jhus, but slightly smaller; 

 apical declivity of elytra more flattened, with many more 

 distinct and pointed granules, continuing first, third and 

 (partly) fourth striae, with a broad furrow in place of 

 second row. L. 1^ 1. Not common. X. Saxeseni, Eatz. 



Cvi/j^halus. 



A, Body more or less short cylindrical. 



a. Anterior margin of thorax with four small teetli. 



I, Eows of punctures on elytra distinct throughout. 



1, Thorax almost regularly, coarsely granulate in 

 front, punctures of striae on elytra scarcely coarser 

 than those of interstices ; length 1 line. 



Black, shiny ; funiculus of antennae and part of legs 

 lighter. Very similar to C. hmodulus, but elytra throughout 

 their breadth with distinct rows of punctures, the first two 

 of which appear impressed on apical declivity. Bare. 



C. granulatus, Eatz. 



2. Thorax with three concentric rows of granules ; 

 elytra with interstices punctured more finely 

 than striae ; length | line. 



Brown or yellow-brown, dull, with fine hairs ; antennae 

 and legs and usually also elytra lighter. Thorax rounded, 

 with concentric rows of small prominences on front half; 

 elytra with feeble punctured striae. Scarce. C. tiliae, Fab. 



II, Eows of punctures on elytra distinct on outer 

 part only. 



