CODLING MOTH IN COLORADO. 



35 



the larvae hatched and commenced feeding as late as September 24, 

 none that entered the fruit later than September 12 successfully 

 completed its feeding period. The average length of the feeding 

 period was 28.69 days, the maximum 67 days, and the minimum 15 

 days. 



Table XXI. — Length of feeding period of larvae of the second brood of the, 

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



Date of 



entering 



fruit. 



Num- 

 ber of 

 indi- 

 vidu- 

 als. 



Length of feeding period in specified days. 



15 



L6 



"i 



l 



17 



3 

 1 



5 



18 



1 



1 

 2 

 2 



19 



2 



2 



10 

 7 

 2 

 6 



"2 

 2 

 1 



"i 



4 

 3 

 1 

 2 

 1 



20 



2 

 5 



12 



6 

 1 



"2 

 6 

 2 

 4 

 5 

 3 

 11 

 4 

 5 

 4 

 1 

 2 



21 



'"7 

 5 

 8 

 5 



15 

 3 



"2 

 5 

 7 

 4 



10 

 7 



10 

 1 

 4 

 5 

 2 

 3 

 7 



11 

 2 

 2 

 4 

 1 



22 



s 



5 

 13 



3 

 10 



2 



5 



I 



4 

 4 

 5 

 4 

 5 



11 

 2 

 3 

 1 

 4 



13 

 7 

 3 

 3 

 6 

 2 



23 



2 

 4 



7 

 8 



"""9 

 5 

 7 

 2 

 3 

 6 

 3 

 6 

 5 

 7 

 2 

 4 

 4 

 12 

 5 

 6 

 7 

 6 

 3 

 2 

 3 

 7 



.... 



'"2 

 I 

 1 



24 



""4, 



5 

 4 

 1 

 6 



"2 



5 



"~h 

 5 



5 

 5 



7 



6 

 4 

 7 

 6 

 13 

 16 

 8 

 8 

 1 

 1 

 6 

 1 

 4 

 8 

 2 

 3 

 10 

 5 



25 



2 

 3 

 4 

 3 

 1 

 2 

 1 

 11 

 3 

 7 

 3 

 7 

 3 

 3 

 4 

 7 

 3 

 4 

 7 

 5 

 9 

 3 

 2 

 2 

 2 

 6 

 2 

 4 

 4 

 5 

 7 



"1 



26 



2 

 3 

 3 



7 

 3 

 2 

 1 

 3 

 2 

 4 

 2 

 4 

 5 

 4 

 6 

 6 

 3 

 7 

 7 

 4 

 2 

 2 

 2 



"i 

 3 



7 

 3 



6 

 2 



27 



1 

 2 

 2 

 2 

 1 



"i 

 2 



2S 



1 

 3 

 5 



3 

 3 

 3 

 2 

 2 

 1 



29 



"2 

 2 

 5 

 2 

 5 

 1 



"3 



30 

 1 



31 



32 



33 



3! 



35 



36 



37 



38 



July 19 



20 



21 



22 



23 



24 



25 



26 



27 



28 



29 



30 



31 



Aug. 1 



2 



3 



4 



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 



31 



Sept. 1 



20 

 43 

 81 

 74 

 28 

 67 

 20 

 48 

 44 

 38 

 50 

 39 

 58 







1 



"i 

 "i 













3 



4 

 1 





3 



5 





1 

 1 





1 











2 

 1 

 1 

 2 

 1 



1 

 1 





2 

 1 



.... 







1 



1 

 2 







4 

 2 

 1 



""2 

 1 

















1 

 3 

 1 



2 













1 



'*2 



1 



1 



2 

 2 











2 









4 

 2 

 1 

 2 

 1 

 4 

 2 



8 

 5 

 3 

 4 

 2 

 5 

 3 

 6 

 1 



3 

 1 

 1 

 1 

 3 

 3 

 3 

 2 

 2 

 1 

 5 

 2 

 1 

 2 

 4 

 3 



1 

 1 

 2 

 4 

 3 

 2 

 3 

 3 

 2 



"~2 



"2 



"4 

 3 

 4 

 2 



3 



"6 

 5 



5 



"i 



















2 





1 













3 

 1 

 3 



"2 

 1 

 2 

 2 

 1 

 2 

 4 

 3 



"6 

 1 



1 

 1 



"i 

 2 

 2 

 4 

 1 

 2 

 2 

 1 



1 

 1 

 2 



52 



1 



l 





2 



"2 



1 

 1 







1 





62 - 



2 



1 



52 













37 



56 

 64 

 51 



81 

 55 

 57 

 28 

 47 

 49 

 33 

 35 

 44 

 29 

 40 

 39 

 34 

 41 

 2 

 22 

 21 

 27 

 40 

 29 

 21 

 32 

 24 

 21 

 17 











1 

 2 

 3 

 1 

 2 

 2 

 1 



1 



3 





1 



.... 

 .... 



2 











3 



2 

 1 

 2 



4 



1 

 2 



4 

 1 















"i 



2 

 "i 





l 

















3 



1 

 3 



2 



4 

 2 

 2 



















3 



1 

 3 



"5 













1 







3 



5 

 2 



1 



1 



1 

 2 



3 

 3 



1 

 5 

 1 















1 









1 



4 









1 

 1 

 2 



2 

 3 











1 





2 



2 

 2 



9 



1 



6 

 5 

 2 

 2 

 4 

 9 





2 











1 





1 



2 

 4 



1 

 1 

 2 

 1 



4 



1 



2 

 1 



.... 



1 











1 

 1 



1 



4 











1 -.. 



3 

 2 

 1 

 2 

 2 

 6 



3 

 1 

 3 

 1 



2 

 3 

 2 

 3 



2 

 5 

 1 



"i 



3 

 1 















1 



1 

 3 



1 

 •l6 

















































































1 



1 

 1 

 1 



1 

 1 



1 

 4 

 3 



3 

 2 



4 

 2 

 2 

 2 



\ 



1 



1 

 2 

 4 

 1 

 4 

 3 



"I 



1 



2 

 1 

 3 

 1 

 3 

 3 

 2 

 1 



6 

 2 

 1 



3 



1 



""2 



2 

 2 

 2 

 2 



1 

 2 

















/ 











1 









2 





2 



1 



2 



.... 

















1 



"2 

 2 

 3 

 1 

 2 



"2 



62 



2 

 6 



"i 



5 

 1 

 2 



2 























1 

























1 



"3 

 1 



2 

 1 

 1 



1 

 "2 















































3 



1 

 1 



2 



















































































1 



4 



13 



19 



57 



93 



132 



144 



142 



167 



135 



123 



99 



105 



89 



69 



47 



40 



56 



35 



15 



19 



25 



