404 



FOREST ENTOMOLOGY. 



Name of tree or 

 shrub affected. 



Beech 



ii 



Birch 



Bird-Cherry 



ii 

 Blackthorn 



u 

 Box 



Bramble 



Name of insect. 



Orchestes fagi 

 Rhopalomesites Tardyi 



Cryphalus fagi 



Cryptoeoccus fagi . 



Phyllaphis fagi 



Hormomyia piliger 



ii fagi . 



Eriophyes rudis 

 Deporaiis betulce . 

 Strophosomus capitatus 

 1 Pidvinaria vitis . 

 Callipterus betidarius 



Trypodendron domesti- 

 cum. 



Hyponomeuta evony- 

 mellus. 



Aphis padi . 



Otiorrhynchus picipes . 



Monochetus sulcatus 

 Psylla bxixi . 



Lasioptera rubi 



Nature of injuries. 



Larvae injure the foliage . 



Larvae eat timber of par- 

 tially decayed trees. 



Female beetle makes bur- 

 rows in small branches. 



White scaly covering on 

 bark. 



The insects cover them- 

 selves with a white 

 cottony secretion, gen- 

 erally on the under 

 side of leaves. 



Produces small hairy galls 

 on upper surface of 

 leaves. 



Produces smooth galls on 

 upper surface of leaves. 



Causes swollen abortive 

 buds. 



Female beetle cuts and 

 rolls up the leaves. 



Beetle eats foliage of 

 young trees. 



Large brown scales, with 

 attached white ovisac. 



Insects may be found on 

 trees, more especially 

 in a coppice, through- 

 out the summer 

 months. 



Female beetle burrows 

 into sapwood cowards 

 centre of tree. Larva? 

 make short " ladder " 

 galleries. 



Larva? often defoliate trees 

 and protect themselves 

 by a web. 



Aphides often kill ter- 

 minal shoots. 



Larva feeds on roots ; 

 beetle eats bark of 

 young stems. 



Causes leaf rolling . 



Insects cause leaves to 

 bend inwards. 



Produces hard rough ex- 

 crescences on stems. 



1 Also on hawthorn, hazel, willow, alder, &c. 



