CANKER WORMS 



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use the trap method of control and avoid having them upon the 

 trees at all. The trap method depends for its success upon the fact 

 that the wingless female moth upon emerging from her cocoon in 

 the ground immediately crawls up the trunk of the nearby tree and 

 places her eggs upon the twigs. By trapping the females on their 

 way up into the trees no eggs can be placed near the foliage and 

 the caterpillars hatching from them can do no damage. The traps 

 are made thus: Take No. 16 or No. 14 wire cloth in strips six 

 inches wide, draw and tack the top edge close to the trunk of the 

 tree over a bandage of cloth which is put on first to make the joint 

 tight. The lower edge should flare out about an inch from the tree 

 all around. This trap will need rather frequent cleaning while the 

 moths are active. 



Home and work of the tent caterpillar. 



Tent Caterpillars. Several species of hairy caterpillars called 

 "tent caterpillars," or "web worms," from their spinning covers of 

 cobwe.b-like material, under which they take shelter in large col- 

 onies; but one, at least, of the group does not spin a web, though 



