INSECT PESTS 



227 



for the woolly aphis, the kerosene should be applied with 

 a nozzle that gives a fine spray, and only on bright days. 

 The Tent Caterpillar {CUsiocampa Americana) 

 (Figure 118) — This pest is so familiar to almost every- 

 one in its larval state as to need no description. The 



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Fig. 118— The Tent Caterpillar 



a b, nest and larvae: c, eggs; </, cocoon 



various stages of its growth are shown, above, including 

 eggs, nest and cocoon. Its eggs are laid during the 

 latter part of the summer in clusters of 200 to 300 

 around small twigs at the ends of the branches, often 

 on those of the wild cherry, peach and some other 

 trees. Here they remain until the following spring, 



