CODLING MOTH IN SANTA CLARA VALLEY. 



117 



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



Table III. 



FIRST HKoOl) 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 



13 IS 21 24 27 30 



August 



20 -.1 2t 



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. 



