36 



BULLETIN 932, U. S. DEPARTMENT OF AGRICULTURE. 



Table XXI. — Length of feeding period of lance of the seoond brood of the 

 codling moth, stock-jar method, Grand Junction, Colo., 1915 — Continued. 



Date of 



entering 



fruit. 



Num- 

 ber of 

 indi- 

 vidu- 

 als. 



Length of feeding period in specified days. 



39 



40 



41 



42 



43 



41 



45 



46 



47 



4* 



1 



49 



1 



2 



l 

 2 



6 



50 



3 

 1 



1 

 5 



51 

 3 



1 

 1 



1 

 6 



52 



2 

 1 

 1 



1 

 2 



"i 



8 



53 



2 

 2 



1 



1 

 1 



54 



55 



1 



1 



1 

 4 



56 



57 



58 



59 



1 



2 



60 



1 

 3 



4 



61 



2 



3 



5 



62 



1 



1 

 1 



3 



63 



2 



] 



1 

 4 



64 



1 



1 

 1 



3 



65 



66 



1 



67 



July 24 



28 



Aug. 1 



2 



5 



6 



7 



8 



9 



10 



11 



12 



13 



14 



15 



16 



17 



18 



19 



20 



21 



24 



25 



26 



27 



28 



29 



30 



31 



Sept. 1 



2 



3 



4 



5 



6 



7 



8 



9 



10 



12 



67 

 38 

 52 

 62 

 56 

 64 

 51 

 81 

 55 

 57 

 28 

 47 

 49 

 38 

 35 

 44 

 29 

 40 

 39 

 34 

 41 

 21 

 27 

 40 

 29 

 21 

 32 

 24 

 21 

 17 

 12 

 16 

 12 

 8 

 10 

 8 

 3 

 9 

 3 

 1 



2 



"i 



l 



1 

 1 

















2 

 1 





1 

 1 

 1 







1 

 1 









"i 



1 

 1 





1 



1 





















1 

 1 



1 

 1 



1 



1 

 2 



1 



1 

 1 



2 



1 



4 

 3 



3 



1 

 1 

 1 

 1 



"i 



1 



1 



~i 



1 



1 

 1 



7 



2 



"2 

 1 



"i 



"i 



2 

 1 

 2 

 1 



"3 



"i 

 1 



1 

 1 



1 

 1 

 3 

 1 



1 



"l 





1 

 1 

 1 



1 



"2 





3 



1 



1 

 1 

 2 



1 



1 



"l 



"2 

 2 



1 



1 



1 

 1 



2 



"i 



2 



1 

 1 



1 

 1 



1 



2 





2 

 1 



1 



2 





1 



"2 

 3 

 1 



1 

 3 





1 

 1 



2 







1 



1 











1 

 1 



"i 



"2 



2 



1 



2 





1 



1 

 1 







2 

 1 

 1 



"2 



10 



3 



1 

 7 



1 

 1 



2 



1 



1 

 2 







1 

 1 

 1 



1 









1 













1 



1 



1 

 1 













1 





2 



1 



1 













7 



1 



4 



11 



8 



4 



1,939 



29| 22 



16 



15 



12 



12 



12 



6 



17 



Days. 



Average length of feeding period 2S. 69 



Maximum length of feeding period 67 



Minimum length of feeding period ."* 15 



Length of the cocooning period. — The time consumed in construct- 

 ing the cocoon by the transforming larvae of the second brood will be 

 found in Table XXII. As will be noted therein, the average cocoon- 

 ing period for 20 individuals was 9.35 days, the maximum 31 days, 

 and the minimum 3 days. The maximum here reported is the longest 

 cocooning period secured for any larva throughout this and the fol- 

 lowing season. As will be seen from Table XXII, this individual left 

 tlif fruit September 1 and pupated October 2. 



