The Ganadjian Horticulturist. 



3^f 



A SCALE INSECT ON OUR PLUM TREES. 



AST June the writer found a new and peculiar scale insect 

 on his plum trees. Soon after in the Garden and Forest 

 there appeared the following illustrated article, by Prof.' 

 Beach, of Geneva, which evidently refers to the same 

 insect. Our readers should be on their guard against it, 

 for it is evidently invading the best plum orchards of the 

 Niagara peninsula. 



Prof. Beach says : — A scale insect which has hitherto 

 been considered a comparatively rare species has recently attracted attention by 

 its attacks on plum-trees in New York State. One man from Niagara County 



Fig. 692. — Branch of Plum Infested with Scale, Lecanium Cerasifex, 



