50 



"v^dth a portion of the body attached to the bark or twigs. 



Both these diseases were noticed during 1912 in the Gatineau Valley, 

 Quebec, but relatively few caterpillars were affecte'd. 



Egg Masses of Orchard and^ForesfTent^Caterpillar. 



ARTIFICIAL METHODS OF CONTROL. 



The control of these insects on wide areas of forest lands is not at 

 present to be considered. The following directions apply to the protection 

 of shade trees, orchards, paries and wood lots. 



The Apple Tree and the Forest! Tent-Cateipillars. 



