32 DECIDUOUS FRUIT INSECTS AND INSECTICIDES. 



SEASONAL-HISTORY STUDIES OF 1911. 



The results of the 1911 life-history studies of the codling moth are 

 in many respects similar to those obtained during the previous year. 



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The main difference is that found in the time of transformation and 

 date of appearance of the different stages, winch is ascribed to the 

 prevalence of a very unusually high temperature during the spring 



