CODLING MOTH IX SANTA CLARA VALLEY. 149 



Table XXXIV. — Spring brood of moths. Time during the day when moths emerged. 





Number emerging before— 



Total 



Date. 







emer- 











9 a. m. 



11 a. m. 1 p. m. 



4 p. m. 



gence. 



Apr. 26... 



2 











2 



Apr. 28... 







1 3 



3 



7 



Apr. 29... 



1 



11 12 







24 



Mayl.... 



2 



3 











May 2.... 







12 5 



1 



IS 



May 3. . . . 



1 



4 1 







6 



May 4. . . . 







6 4 







10 



May 6. . . . 







ti 







6 



May 8. . . . 



1 



2 







3 



May 9 



1 



1 2 



o 



4 



May 10. . . 



1 



3 2 



o 



6 



May 11... 



13 3 







6 



Mav 12. . . 



1 



1 



1 



May 15. . . 

 Total. . 







! 1 







1 



9 



44 42 



5 



100 



Period of oviposition. ^-Although moths were placed in an opposi- 

 tion cage with apples as soon as they emerged, no eggs were observed 

 until June 1. After that time there was no difficulty in obtaining 

 eggs. In the field eggs occurred early in April. Xo eggs could be 

 obtained from single pairs of spring-brood moths, and thus no data 

 were obtained as to the number of eggs a single female could deposit. 

 In April and May, 1911, the mean temperature was considerably 

 below normal and possibly this fact may account for the moths 

 refusing to oviposit on the apples. From June 2 to 9 maximum 

 oviposition took place. 



Longevity of spring brood of moths. — Records were kept relative 

 to the length of life of 40 moths winch were placed in two jars and 

 which were fed on grape juice and brown sugar. The results of these 

 observations are given in Table XXXV and the summary of the 

 results in Table XXXVI. 



Table XXXV. — Spring brood of moths. 1911. Length of life of the moths. 



Cage A. 



Cage B. 



Number 



of 

 moths. 



Date of— 



Days. 



Number 

 of 



moths. 



Date of— 



Days. 



I 



Emer " i Death, 

 gence. i 



Emer- 

 gence. 



Death. 



2 

 1 



3 



1 

 1 

 1 

 1 

 1 

 4 

 1 

 2 

 2 

 3 



Apr. 29.... 



do 



do 



do 



do 



do 



.....do 



Mayl 



May 2 



May 3 



May 4 



May 5 



May 7 



May 8 



2 

 3 

 4 

 5 

 6 

 8 

 9 

 10 

 13 



15 

 17 



18 



1 

 2 

 I 

 3 

 4 

 5 

 1 



May 3 



do 



do 



do 



do 



do 



do 



May 4 



May 5 



May 7 



May 10. . . . 

 May 12. . . . 

 May 13. . . . 

 May 14.... 



1 

 2 

 4 



9 

 10 

 11 



do j May 12 



do ] May 13 



do May 14 



do Mayl6.... 



do May 17 



17 



44 



23 







124 



