THE CODLING MOTH IX MICHIGAN. 



65 



Table LXVII. Band records of 1911, at Pentwater, Mich.; larva collected by S. •/. 



Taylor. 



Table LXVIII.— Band records of 1911; summaries of Tables LXIII-LXVII. 



The averages for the different observations show that from the 

 total number of larva' only 25.5 per cent transformed and issued as 

 moths in 1911; adult parasites issued in 1911 from 1.8 per cent of 

 the codling-moth larva': 62.8 per cent of the larva' were of the first 

 brood and .17.2 per cent of the second brood ; of the first-brood larvae 

 in per cent transformed and 60 per cent wintered: of both the first 

 and second broods 72.7 per cent of the larva? wintered. 



SUMMARY OF SEASONAL-HISTORY STUDIES OF 1911. 



The prevailing high temperature of the season produced a marked 

 shortening in the time of development of the codling moth. The 

 deviation from the average conditions is only slightly noticeable 

 within the separate stages, but becomes strikingly marked for the 



