24 



BULLETIN 932, U. S. DEPARTMENT OF AGRICULTURE. 



Table XII. — Time of pupation of transforming larvw of the first brood of the 

 codling moth, (hand Junction, Colo., 1915. 



Date of 

 pupation. 



Num- 

 ber of 

 pupse. 



Date of 

 pupation. 



Num- 

 ber of 

 pupae. 



Date of 

 pupation. 



Num- 

 ber of 

 pupse. 



Dato of 

 pupation. 



Num- 

 ber of 

 pupse. 



Date of 

 pupation. 



Num- 

 ber of 

 pupie. 



June 27 

 30 



Julv 1 

 2 

 3 

 4 

 5 

 6 



1 

 5 



17 

 13 

 13 

 10 

 12 

 26 



July 7 



s 



9 

 10 

 11 

 12 

 13 

 14 



15 

 20 

 16 

 18 

 19 

 16 

 19 

 20 



Julv 15 

 16 

 17 

 18 

 19 

 20 

 21 

 22 



11 

 9 

 15 

 13 

 19 

 18 

 14 

 17 



July 23 

 24 

 25 

 26 

 27 

 28 

 29 

 30 



16 

 5 



19 

 6 

 4 

 9 

 3 

 4 



July 31 



Aug. 1 

 2 

 3 



4 



Total 



2 

 7 

 

 

 1 



432 



Table XIII. — Length of the pupal stage of pupce of the first brood of the cod- 

 ling moth, Grand Junction, Colo., 1915. 



Date of 

 pupa- 

 tion. 



Num- 

 ber of 

 indi- 

 vid- 

 uals. 



Length of the pupal stage in specified days. 



6 



7 



8 



9 



10 



11 



12 



13 



14 



15 



16 



17 



18 



19 



20 



21 



24 



25 



31 



June 27 



30 



July 1 



2 



4 

 5 

 6 



8 

 9 

 10 

 11 

 12 

 13 

 11 

 15 

 16 

 17 

 18 

 19 

 20 

 21 

 22 

 23 

 24 

 25 

 26 

 27 

 28 

 29 

 30 

 31 

 Aug. 1 



1 

 4 



15 



11 



12 



6 



11 



19 



13 



16 



8 



15 



16 



12 



11 



17 



7 



7 



13 



10 



17 



15 



12 



12 



7 



4 



14 



4 



3 



6 



2 



.2 



2 



4 















1 

































...... 



4 

 3 

 5 

 2 

 1 

 6 

 5 

 8 

 5 

 2 

 5 

 4 

 2 

 6 

 10 

 1 

 3 

 3 

 2 

 4 

 4 

 3 

 2 

 2 

 3 

 7 

 .... 



2 































1 



.... 



1 

 2 



"3" 



1 



.... 



3 

 2 

 1 



8 

 3 

 5 

 2 

 1 

 6 

 1 

 6 

 2 

 4 

 3 

 2 

 1 

 2 



3 



"» 



1 



2 

 4 

 1 

 3 

 1 

 2 

 4 

 4 

 5 

 2 

 5 

 1 

 3 

 3 

 4 

 7 

 2 

 3 

 2 

 1 

 1 

 1 

 1 

 1 

 2 































2 





























1 























































1 



1 

























.... 



1 

























1 



























2 

 1 

















































1 





















1 











1 



2 



.... 



1 











:::::: 





1 







1 





















2 



1 

































1 































1 



















1 



"2 

 2 

 3 



2 

 3 

 1 

 1 

 2 



"3" 



2 



























1 













1 

























1 





1 

















2 



"T 

 .... 







1 





2 

















2 

























3 

 1 

























1 



1 



1 















































































1 



1 

 3 



3 



1 

























































1 

































1 





1 



1 



















































1 

 1 

 2 







1 































1 







































1 





1 

















































1 



1 



331 



1 



2 



12 



19 



62 



106 



74 



26 



13 



i 



2 



1 



1 



2 



2 



1 



1 



Days. 



Average length of the pupal stage 1 1. 44 



Maximum length of the pupal stage 31 



Minimum length of the pupal stage 6 



Moths of the First Brood. 



Time of emergence. — The records of the time of emergence of 



moths of the first brood were taken from two sources of material : 



(1) From moths that issued from first-brood larvae reared in the in- 



sectary and (2) from moths that issued from the larvse collected every 



