9Q 



FOREST ENTOMOLOGY. 



Scolytus pruni (Eatz.) 



At first sight this species very much resembles the preceding, but 

 it is smaller, and the sculpturing of the elytra is very much finer. 

 The thorax is shining black, and the elytra ferruginous. Antennae 

 and legs brown. Length 3| to 4|- mm. 



This species is generally considered as exclusively belonging to the 

 orchard, and living in plum, pear, or apple. Eichhoff, however, says 

 that it has been found in hawthorn, mountain ash, and elm. 



Several years ago I found in Cheshire very fine markings in a 



Fig. 87. Markings of Scolytus pruui 

 in branch of apple. 



Fig. SS. Markings of Scolytus 

 multistriatus in bark of elm. 



strong limb of wild cherry, which was doing duty as a fencing-post 

 in a farmer's hedge, and I have since concluded that in all probability 

 they were the markings of this species. 



Eig. 87 is from a photograph of markings on branch of apple 

 found in Gloucestershire. 1 



Scolytus multistriatus (Marsh). 



Thorax black, shining, somewhat longer than broad ; elytra pitchy- 

 red ; antennae and legs light -brown; elytra with close and finely 



1 Commander Walker has seen an apple-tree apparently killed by this species 

 at Wolvercot, near Oxford. 



