Descrii^tions of New Scoh/tida\ 221 



Xylchorus destruens, sp. n. 



Eloiigatu?, ferrngineiis vel piceus, uitidus, parce setosns, pro- 

 thoracc quadrate, elytris striato-puuctatis, interstitiis uniseviatim 

 subtuberculatis et punctatis, declivitate subretusa. 



Fem. Quam X. ii-allacci minor, subangustior, prothorace dis- 

 tinctius gibboso, ad basin nitidiore, eljtrorura interstitiis rarius 

 tuberculatis et setosis, declivitate distincte impressa et pcstice 

 subexplauata. Long 4"8-5 mm. 



Mas. Brevior, robustior ; prothoracis lateribus et angulis 

 anticis distinctius rotundatis, dorso ante umbonem subdepresso et 

 obsoletius asperate ; elytris profundius striatis, striis juxta 

 suturam irregularibus rugosis, apice magis retuso. 



Long 3'9-4"3 mm. 



Elongate, varying in colour from ferruginous-red to piceous, 

 shining, scantily hairy, the hairs erect. 



Fi:i\rAi.E. Yery similar to that of A', valhicei, smaller and 

 narrower. Front less impressed over the sides of the mouth, the 

 median carina less distinct ; eyes smaller, not encroaching so far 

 on the front. Prothorax just perceptibly longer than broad, the 

 sides less narrowed in front, the apex somewhat flatter, the 

 anterior and posterior angles rounded ; discal elevation not post- 

 median, rather more defined and smoother, the basal half subnitid, 

 with finer scarcely asperate punctures, weak towards the middle. 

 Elytra narrower, the punctures of the striae a little larger and 

 more remote, the interstitial tubeicles and punctures much more 

 remote on the disc, the former feeble on the outer interstices ; 

 declivity impres'sed and very slightly concave towards the tip, 

 very shining. 



Male. Shorter but stouter than the female and more convex. 

 Median elevation of front stronger ; eyes very small, with only 

 4 or 5 ommatidia at their greatest width. Prothorax much more 

 ample, broader than long, the sides' more strongly rounded and 

 gradually incurved in front to the apex, Avhich is transverse in the 

 middle ; discal elevation situate farther back, less defined, surface 

 depi'essed in front from the elevation to the apex but still convex, 

 with finer asperation and an irregular smooth median line, 

 posteriorly longitudinally convex, impressed on either side between 

 the elevation and the hind-angles, more shining. Elytra shorter, 

 but variable in length, narrower than the prothorax, more convex, 

 more strongly punctate-striate, the interstices subconvex ; surface 



