586 



State Boakd ok Agriculture, &c. 



up raising fruit, for there are many insects more difficult to 

 contend with than this that will surely attack the trees. 

 While if let alone these insects iiicrease very rapidly, they 

 can by a little labor be kept in check. 



Fig. 7. 







TENT CATERPILLAR OF APPLE TREES— CLISIOCAMPA 



AMERICANA, Harris. 



a, larva lull grown, side view ; b, larva full growu, back view ; c^ 



cluster of eggs on a twig ; d, cocoon. 



The eggs (fig. 7, c,) are laid in clusters of trora two to 

 four hundred. This cluster forms a broad band about a twig 

 and is covered with a waterproof varnish. They remain 

 thus during the winter, hatching as soon as the weather 

 becomes warm. As soon as the young larvae come from 



