CODLING MOTH IN" SANTA CLABA VALLEY 



117 



Table IV. — Pupse of the first brood. Variations in the pupal period. Summary of 



Table III. 



Number 

 of pupse. 



Days. 



Number 

 of pupse. 



Days. 



Number 

 of pupae. 



Days. 



Number ^ 

 of pupse. Days - 



1 



1 

 3 

 2 

 8 

 34 



13 

 14 

 15 

 16 

 17 

 18 



31 

 39 

 35 

 13 

 6 



19 

 20 

 21 

 22 

 23 



4 

 3 



24 

 25 

 26 

 27 

 28 



1 



29 

 30 

 31 



1 







182 





FIRST BROOD OF MOTHS. 



Time of emergence. — Larvae and pupae were collected from under 

 bands on apple trees on June 21, June 28, July 6, and thereafter 

 twice a week until September 20, when the last collection was made. 

 Figure 27 shows graphically the adult emergence of the first-brood 

 moths from this material and figure 28 the percentage which passed 



July 



August 



September 



Fig. 27. 



-Diagram showing emergence of moths, derived from band-record material collected in 1909. 

 (Original.) 



the winter in the larval stage. They also record the daily emergence 

 of these moths from July 12, 1909, to June 9, 1910. Table V shows 

 the adult emergence for the total number of moths of the first brood, 

 including both those from the general band record and those from the 

 individual pupation records. 



