Insects Injurious to the Cherry. 



189 



wrote concerning it, stating that the bark was seriously damaged 

 near the ground of about twenty trees, thirteen years old. It was 

 pointed out that those trees were worst where rough grass was 

 around the base. 



FIG. 140. — PLUM AN1> CIIEIUIV TREE STEM BOIiER 



(Semasia woeberiana). 

 A, adult ( reduced) ; B, larva ; C, larva in wood ; D, larval chamber and frass {x). 



In 1887 I found it damaging wall peach trees at Kingston-on- 

 Thames, where it eventually caused their death. It is recorded by 

 Wilkinson (8) from the vicinity of Edinburgh and at Belfast, he 

 referring to it as attacking the laurel, almond and apple. 



[F. Edcnden. 

 FIG. 147. — PIECE OF CHERPvY BARK (inner side), SHOWING WORKINGS OF 

 THE SEMASIA LARV.E. 



Kollar (3), Kaltenbach (4) and Taschenberg(o) refer to it in 

 Germany. 



The damage is done to apple, plum, cherry, nectarine and peach. 



