.VXD OTIIKR INJIRTOL'S INSFXTS OF KJO/ AM) KjoS. 



95 



strong, soapy solution which contained Paris green, or better, with 

 arsenate of lead, since the latter is more lasting. The latter could be 

 used very strong, six or eight pounds to fifty gallons of water, with 

 perfect safety.' A second spraying four weeks after the first would be 

 useful. This would serve, in a measure, to protect the trees. What- 

 ever treatment were resorted to, the individual grower would have to 

 decide which was the most practicable for his individual needs. Where 

 the price of trees warrants, or their numbers make it possible, the bisul- 

 phide treatment could be given, as advised under the preceding insect. 



THE LOCUST BORER. 



CxUciic robiiiiac Forst. 



Fig. 39. Young Locust tree injured by TiOcust Borer and later broken by tlie wincL 

 After J. S. Houser, Ohio Bui. 194. 



