174 RHYUcnopnOEA. [Otiorrliynclius. 



the application of soot and lime to the roots, ami watering with ammoniacal liquor 

 and common agricultural salt. 



O. picipes chiefly attacks raspberries and sometimes does a great 

 deal of damage ; beating the trees after dark with trays smeared with 

 tar has been found of great service in checking their ravages. 



O. tenelricosus does not apparently do much damage in Britain, 

 but has been recorded as attacking the buds, shoots, young leaves, &c., of 

 apricots, nectarines, peaches, plums, &c. } and the -roots of raspberries, 

 currants, gooseberries and strawberries ; the latter plant is also some- 

 times injured by 0. sulcatus. Seventeen species have been usually 

 regarded as British, but O. ambiguus is scarcely distinct from 0. ruyi- 

 frons, and 0. ebeninus is" somewhat doubtful. 



I. Anterior femora without a trace of a tooth on their 



under side, 

 i. Elytra without raised setae. 



1. Elytra with pubescence absent or very slight, at 

 most arranged in very small tufts, and not obscur- 

 ing the general ground colour. 



A. Anterior tibiso much compressed, with a dis- 

 tinct keel on their outer side ; elytra more or 

 less dilated at sides and somewh.it abruptly 

 acuminate towards apex O. ATBOAPTERUS, Da Q. 



13. Anterior tibiae not compressed, or at all events 

 only slightly compressed towards apex, and 

 without distinct keel on their outer side. 



a. Thorax very coarsely granulated through- 

 out . . . O. MAURTJS, Gyll. 



b. Thorax punctured on disc, or finely granu- 



late or shagreened. 



a*. Size much smaller (6-7 mm.) ; fore- 

 head broader and more arched . . . O. BLANDUS, Qyll. 



(monticola, Walt.) 



b*. Size much larger (10-13 mm.) ; fore- 

 head narrower and less arched, 

 at- Legs ferruginous ; femora normally 

 dilated ; male with the anal ventral 



segment longitudinally striate. 

 sij. Antennae with joints of fuuiculus 

 longer ; female longer, with elytra 

 less acuminate at apex and more 



obsoletely punctured O. TENEBRICOSUS, Herbst. 



b. Antenna with joints of funiculus 

 shorter ; female shorter, with elytra 

 more acuminate at apex and more 



plainly punctured O. FUSCIPES, Walt. 



(hcematopus, Schon.(?) ) 

 bf. Legs black ; femora much dilated 

 on their under side ; male with the 

 anal ventral segment punctured or at 



most scratched 0. MORTO, F. 



(v. eleninus, Schon.). 



2. Elytra very closely covered with filiform greyish 

 scales, which completely cover the upper sur- 

 face 0. BAtrcu.s, F. 



