CODLING MOTH IN SANTA CLAKA VALLEY. 



153 



Table XL. — First-brood pupae: Length of the pupal period from material collected in 



1911 on banded trees. 



No. of 

 indi- 

 vidual. 



Pupa- 

 tion. 



July 8 

 ...do... 



July 9 



July 10 



July 12 

 ...do... 

 ...do... 

 ...do... 

 ...do... 

 ...do... 

 ...do... 

 ...do... 



July 13 

 ...do... 



July 14 

 ...do... 



July 15 



...do 



...do... 



July 16 

 ...do 



July 17 

 ...do... 



July 18 

 ...do... 

 ...do... 



July 19 

 ...do... 



July 20 

 ...do... 



Emer- 

 gence. 



July 

 ..do. 

 ..do. 

 July 

 ..do. 

 Aug. 

 ..do. 

 ..do. 

 ..do. 

 Aug. 

 Aug. 

 Aug. 

 Aug. 

 Aug. 

 ..do. 

 ..do. 

 ...do. 

 Aug. 

 Aug. 

 Aug. 

 Aug. 

 Aug. 

 Aug. 

 Aug. 

 Aug. 

 Aug. 

 Aug. 

 Aug. 

 Aug. 

 Aug. 



Sex of 

 moth. 



Length 

 of pupal 

 period. 



Days. 

 19 

 19 

 18 

 21 

 19 

 20 

 20 

 20 

 20 

 21 

 22 

 25 

 19 

 21 

 20 

 20 

 19 

 21 

 23 

 21 

 34 

 19 

 21 

 21 

 22 

 22 

 21 

 26 

 22 

 23 



No. of 

 indi- 

 vidual. 



Date of- 



Pupa- Emer- 

 tion. gence. 



Julv 20 

 July 21 



...do 



July 22 

 July 24 

 July 25 



...do.... 

 July 26 



...do 



July 29 

 July 30 



...do 



...do.... 

 July 31 

 Aug. 1 



...do.... 



...do.... 

 Aug. 2 

 Aug. 3 



...do.... 

 Aug. 4 



...do 



...do... 



...do... 

 Aug. 6 

 Aug. 12 

 Aug. 13 

 Aug. 16 

 Aug. 19 



Sex of 



moth. 



Aug. 13 

 Aug. 11 

 Aug. 12 

 Aug. 17 

 Aug. 14 

 Aug. 17 



..do 



Aug. 19 

 Aug. 20 

 Aug. 21 

 Aug. 23 



...do 



Aug. 28 

 Aug. 24 

 Aug. 26 

 Aug. 27 



...do 



Aug 26 

 Aug. 30 

 Sept. 9 

 Aug. 28 

 Aug. 29 



...do 



Aug. 31 

 Sept. 2 

 Sept. 7 

 Sept. 2 

 Sept. 13 



Length 

 of pupal 

 period . 



Days. 

 24 

 21 

 22 

 26 

 21 

 23 

 23 

 24 

 25 

 23 

 24 

 24 

 29 

 24 

 25 

 26 

 26 

 24 

 27 

 37 

 24 

 25 

 25 

 27 

 27 

 26 

 20 

 28 

 25 



The variations in the length of the pupal stage are shown in Table 

 XLI and a summary of Table XL in Table XLII. 



Table XLI. — First-brood pupse: Variations in the length of the pupal period for 59 



individuals. 





Pupae. 



Days. 



Pup 33. 



Days. 



1 



18 



6 



25 



6 



19 







26 



7 



20 



3 



27 



10 



21 



1 



28 



5 



22 



1 



29 







23 



1 



34 



7 



24 



1 



37 



Table XLII. — First-brood pupse: Summary of Table XL. 



Observations. 



Days 

 in the 

 pupal 

 stage. 



Average 23.12 



Maximum 37 



Minimum I 18 



