INJURIOUS INSECTS OF 1903. 



51 



Remedies: For the Root form, remove the earth, three to four 

 inches of soil, about the crown for a distance of two to four feet from 

 the tree and sprinkle in four to six pounds of finely powdered tobacco. 

 Waste tobacco stems, which can be purchased v ry cheaply or obtained 

 for nothing, can be used in place of powdered toliacco. 



A large yellowish-white Gru'i, from 2 to 3 inches long, boring 

 into roots of apple. Tur-- into i large brown beetle, from i to 2 

 inches long. 



PRiorius. 



Fig. 20. — Prionus lacticolUs, Drury. After Riley. 



Remedies: If in large numbers it may be necessary to dig them 

 out to save the tree. 



