CODLING MOTH IN COLORADO. 



21 



and nontransforming) according to the stock- jar method (see p. 8) 

 is given in Table IX. As will be observed, the length of the feeding 

 period averaged 21.64 days, maximum 35 days, minimum 12 days. 



Length of the feeding period, hagged-fruit method. — In Table X 

 will be found the results of the observations of the feeding period of 

 242 larva? of the first brood (both transforming and nontransform- 

 ing) by means of the bagged-fruit method (see p. 8). The average 

 period of feeding was 22.77 days, maximum 35 days, minimum 15 

 days. 



Table IX. — Length of feeding period of larvw of the first brood of the codling 

 moth, stock-jar method, Grand Junction, Colo., 1915. 



Date of 



entering 



fruit. 



Num- 

 ber of 

 indi- 

 vid- 

 uals. 



Length of feeding period in specified days. 



12 



13 



14 



15 



16 



17 



18 



19 



20 



21 



22 



23 



24 



25 



26 



27 

 1 



28 



29 



30 



31 



32 



33 



34 



35 



May 27 



29 



30 



June 5 



6 



7 



8 



9 



10 



11 



12 



13 



14 



15 



16 



17 



18 



19 



20 



21 



22 



23 



24 



25 



26 



27 



28 



29 



30 



July 1 



2 



3 



4 



5 



6 



7 



8 



9 



10 



11 



12 



13 



1 



2 

 1 

 5 

 16 

 3 

 4 



19 



39 



6 



9 



27 



59 



41 



52 



68 



50 



25 



29 



18 



23 



24 



13 



24 



24 



34 



15 



10 



12 



18 



13 



2 



8 



9 



6 



17 



14 



3 



3 



2 



1 

























2 































1 











































1 



6 



1 

 1 



3 



1 







































1 



4 

 2 



"4 



1 



6 

 .... 



4 

 6 

 3 

 5 

 7 

 6 

 3 

 5 

 4 

 3 

 1 



1 



2 













































1 



























2 

 3 

 3 

 5 

 1 

 2 

 2 

 3 

 2 

 9 

 7 

 8 



"i 



"3 



4 

 2 

 5 

 1 

 4 

 3 

 2 



2 































1 



2 



.... 



1 



5 

 5 

 4 

 8 



7 





1 

 1 

 2 





































1 

 1 



6 

 7 

 1 

 2 

 2 

 11 

 4 

 6 

 9 

 9 

 4 

 5 

 1 



"2 



4 

 7 

 2 



"3" 



3 

 6 

 4 

 10 

 9 

 2 













1 



i" 













3 



4 



2 



1 

 1 





















1 



4 

 4 

 5 



"3" 



6 



5 



1 

 1 

 3 

 2 

 7 

 9 

 3 

 2 

 5 

 1 

 2 

 2 



"4" 



"T 

 1 



1 

 2 

 1 



2 

 2 

 2 



"2 



"2 



2 



.... 



2 

 1 







i" 



i' 



i~ 



i" 



l 



1 

 5 

 2 

 1 

 2 

 1 



1 



11 



1 



1 



1 



2 

 1 

 4 

 6 

 2 

 4 



"2" 



.... 



.... 



5 

 1 

 1 

 5 



"4" 



T 



i" 





i" 



1 

 1 



i" 

 i" 



i" 















2 



3" 

 2 



r 



2" 



2 









2 



1 

 1 

 2 

 2 

 2 

 2 

 3 

 .... 



5 

 2 



1 



"2 

 1 

 2 



.... 



1 

 1 



1 



"2' 

 2 



"i" 





1 



l 













1 



1 



4 



2 



"5' 

 "5" 



1 

 5 

 5 

 2 



"4' 

 4 



.... 



.... 



5 



1 

 2 

 1 

 2 

 1 















i" 







2 



.... 



2 

 1 

 2 

 2 



3' 



1 



i" 



5 



"2 

 1 

 1 

 1 



4 

 2 

 3 

 2 

 1 

 3 



.... 



2 



3 



.... 



1 



1 

 4 

 1 

 2 

 1 



"2 

 1 

 1 

 2 









1 







1 







4 

 3 



6 

 1 

 1 

 1 

 1 

 1 

 .... 



1 



1 



2 

















1 













4 











































2 

 2 

 1 

 2 

 2 



2 







1 

 .... 



"2 

 1 



.... 



1 

 3 



1 

























2 





















































i' 

 1 



3 



3 

 3 





1 





1 



"3" 



2 



... 









1 

















1 





1 





1 





























2 

































1 

 69 







































l 



i 



7 



25 



44 



89 



83 



94 



73 



68 



57 



34 



32 



27 



13 



12 



8 



6 



5 



5 



2 



2 



758 



l 



Days. 



Average length of feeding period 21. 64 



Maximum length of feeding period 35 



Minimum length of feeding periodo= . „ = 12 



