CODLING MOTH IX SANTA CLARA VALLEY. 141 



Table XXVI. — Larvae of second brood. Period of feeding of larvae in rearing cages. 





Date of— 







Date of— 





No. of 





Days 

 of 







Days 





No. of 





of 



larva. 



| 

 Hatch- Leaving 



feed- 



larva. 



Hatch- 



Leaving 



feed- 





ing. 



fruit. 



ing. 





ing. 



fruit. 



ing. 



1 



July 20 



Aug. 29 



40 



43 



Aug. 20 



Sept. 20 



31 



2 



July 21 



...do 



39 



44 



...do 



Sept. 25 



36 



3 



...do 



...do 



39 



45 



...do 



Sept, 24 



35 



4 



...do 



Sept. 11 



52 



46 



...do 



Sept, 29 



40 



5 



-..do 



Sept. 13 



54 



47 



...do 



Sept. 28 



39 



6 



...do 



Aug. 30 



40 



48 



...do 



Sept, 23 



34 



7 



...do 



Aug. 31 



41 



49 



Aug. 21 



Oct. 7 



48 



8 



...do 



...do 



41 



50 



Aug. 22 



Oct. 18 



57 



9 



...do 



Sept. 2 



43 



51 



...do 



Sept. 25 



34 



10 



...do 



Aug. 31 



41 



52 



...do 



Sept. 29 



38 



11 



July 26 



Sept. 17 



53 



53 



Aug. 23 



Sept. 28 



36 



12 



July 29 



Sept. 5 



38 



54 



...do 



Sept. 30 



38 



13 



July 31 



Sept. 28 



59 



55 



...do 



Sept. 26 



34 



14 



Aug. 10 



Sept. 15 



36 



56 



...do 



Oct. 6 



44 



15 



...do.".... Sept. 21 



42 



57 



Aug. 24 



Sept. 26 



35 



16 



Aug. 11 



Sept. 15 



35 



58 



...do 



Sept. 25 



34 



17 



Aug. 12 



Sept, 20 



39 



59 



...do 



Oct. 12 



49 



18 



Aug. 11 



Sept. 10 



30 



60 



...do 



Oct. 15 



52 



19 



Aug. 12 



Sept. 13 



32 



61 



Aug. 25 



Oct. 10 



46 



20 



Aug. 13 



Sept. 26 



44 



62 



...do 



Oct. 7 



43 



21 



Aug. 14 j Sept, 13 



30 



63 



...do 



Oct. 6 



42 



22 



Aug. 15 : Sept, 17 



33 



64 



Aug. 27 



Sept. 27 



31 



23 



Aug. 14 1 Sept, 15 



32 



65 



.do... . 



Oct. 6 



40 



24 



Aug. 15 1 Sept. 25 



41 



66 



Aug. 30 



Oct. 7 



38 



25 



...do Sept. 28 



44 



67 



...do 



Sept. 29 



30 



26 



Aug. 14 



Sept. 21 



38 



68 



...do 



Oct. 16 



47 



27 



Aug. 15 



Sept, 19 



35 



69 



...do 



Oct. 7 



38 



28 



...do 



Sept, 18 



34 



70 



...do 



Oct. 21 



52 



29 



Aug. 16 



Sept. 30 



45 



71- 



Sept, 1 



Oct. 9 



38 



30 



...do 



Sept. 19 



34 



72 



Oct. 13 



42 



31 



...do 



...do 



34 



73 



Sept! "2 



Oct. 16 



44^, 



32 



Aug. 17 



Oct. 1 



45 



74 



Oct. 18 



46 



33 



...do 



Sept. 25 



39 



75 



Sept.' 3 



Oct. 19 



46 



34 



Aug. 1$ 



Sept, 30 



43 



76 



Sept. 4 



...do 



45 



35 



Aug. 17 



Sept. 24 



38 



77 



Oct. 5 



31 



36 



Aug. 18 



Sept, 27 



40 



78 



Sept. 7 



Oct. 19 



42 



37 



...do 



Sept. 22 



35 



79 



Sept. 10 



Oct. 18 



38 



38 



...do.^.. 



Sept. 24 



37 



80 



Sept. 12 



Oct, 22 



40 



39 



Aug. 20 



Oct. 5 



48 



81 



Sept, 16 



Oct. 21 



35 



40 



...do 



Sept, 26 



37 



82 



Sept. 17 



Oct. 24 



37 



41 



...do 



Sept. 30 



41 



83 



Sept. 25 



Nov. 4 



40 



42 



...do 



Oct. 3 



44 











Table XXVII. — Feeding period of larvae, of the second brood. Summary of Table 



rvse oj 

 XXVI. 



Observations. 



Feeding 

 periods. 





40 

 59 

 30 



Maximum 



Minimum 



The feeding periods of the larvae under observation ranged from 

 30 to 59 days, with an average of 40 days. It will be seen by com- 

 paring the records of the first-brood larvae with these that practically 

 no difference existed between the length of the feeding periods of the 

 first and the second-brood larvae. 



Time of leaving the fruit for winter. — The earliest second-brood lar- 

 vae to leave the fruit in the cages to hibernate did so on August 29, 

 but were probably one or two weeks earlier in the field. The last 

 larvae in the cages to leave the fruit did so on November 4, which is 



