269 
Of the males, 39.6 per cent., and of the females, 35.3 per cent. trans- 
formed, 60.4 per cent. of the males and 64.7 per cent. of the females 
hibernated. Altogether, 37.3 per cent. of those collected transformed 
and 62.7 per cent. hibernated. Undoubtedly a much larger per cent. 
hibernated than the above figures indicate, since the collections do not 
include all the hibernating larve that left the fruit late in the season, 
after collections had ceased. It is probably true that three fourths or 
more of the larve which develop during a given season hibernate. This 
being the case it is very evident that if a very large per cent. of them 
did not perish during the winter, the first generation in the spring would 
be much larger than it usually is. 
A daily record of the band collections, life-history observations, and 
+ climatic conditions at Olney in 1916 have been brought together in Table 
33 for ready reference. 
SUMMARY OF THE SEASONAL History, 1916 
From the foregoing data and an occasional reference to original 
notes we can summarize quite accurately the seasonal history of the 
codling-moth for 1916 (Table 34). 
Chart 2 gives a graphic representation of the seasonal history of the 
codling-moth in 1916, the daily temperatures above 50 degrees F., and 
the monthly rainfall. 
The number of pupations observed daily are shown in the top sec- 
tion of the chart, the number of moths emerging daily in the second 
section from the top, the number of eggs deposited in the third, the 
number of larve hatched in the fourth, and the number of larve leaving 
the fruit in the fifth. The daily temperatuzes above 50 degrees F. are 
shown in the bottom section, beneath which is given the rainfall for 
each month. 
The order of events in the seasonal history is indicated by the num- 
bers from 1 to 12 in the chart. 
Thus: 1 indicates the first brood of pupze 
2; © adults 
3 ce “ ce “ “ eggs 
4 a eat “— ““larve hatching and leaving 
the fruit 
5 i “second “ “ pup 
6 a3 “oe “e oe iss adults 
7 ce “ o iad “e eggs 
8 7 aes “““larve hatching and leaving 
the fruit 
OR aa Sethirds “ pup 
10 s re “i “ adults 
11 of ase es “ eggs 
12 < ee < “Jarve hatching and leaving 
the fruit. 
