CODLING MOTH IN COLORADO. 



57 



Table XXXVII. — Length of cocooning period, transforming codling moth larvae 

 of the first brood, Grand Junction, Colo., 1916. 



Larvae 

 left fruit. 



Num- 

 ber of 

 indi- 

 vidu- 

 als. 



Length of cocooning period in specified days, being the time from 

 leaving the fruit to the time of pupation. 



Aver- 

 age 

 days. 



Maxi- 

 mum 

 days. 



Mini- 

 mum 

 days. 



2 



3 



4 



5 



6 



7 



8 



9 



10 



11 



12 



13 



14 



15 



16 



17 



1 

 1 



2 



IS 



1 



1 



1 

 1 



1 



19 



27 



30 



June 20 



21 



22 



24 



25 



26 



27 



28 



29 



30 



July 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 



27 



Total.. 



1 



1 



2 



6 



14 



19 



30 



40 



34 



35 



47 



52 



51 



43 



35 



37 



51 



21 



29 



26 



21 



28 



33 



25 



19 



13 



14 



10 



8 



6 



2 



2 



2 



1 



1 



2 









1 



1 

 1 

 1 

 5 

 6 

 7 



10 



11 



9 



13 



5 



15 ' 



13 



12 



17 



6 



3 



4 



10 



9 



11 



7 



6 



4 



2 



.... 



1 

 1 

 1 



"2 



5 

 9 

 4 

 4 

 4 

 1 



10 

 5 

 4 

 6 

 6 

 1 

 3 

 5 



y 



2 

 7 

 4 

 1 



1 





2 

 1 













1 

 1 



1 



1 



5.00 

 4.00 

 4.00 

 4.00 

 4.14 

 5.58 

 4.97 

 5.83 

 6.21 

 5.43 

 5.81 

 5.44 

 5.45 

 5.47 

 5.43 

 5.70 

 5.75 

 5.67 

 5.97 

 5.19 

 6.14 

 5.04 

 5.00 

 6.52 

 6.58 

 5.31 

 4.00 

 5.90 

 4.63 

 7.00 

 6.00 

 4.50 

 5.00 

 5.00 

 5.00 

 5.00 



5 



4 



5 



5 



7 



17 



10 



30 



17 



10 



18 



18 



13 



16 



12 



13 



13 



13 



19 



13 



13 



9 



18 

 16 

 27 

 8 

 8 

 19 

 8 

 18 

 7 

 5 

 7 

 5 

 5 

 6 



5 

 4 

 3 

 3 

 3 

 3 

 4 

 4 

 4 

 4 

 3 

 3 

 3 

 3 

 4 

 2 

 4 

 4 

 3 

 3 

 4 

 3 

 4 

 4 

 4 

 3 

 2 

 3 

 4 

 4 

 5 

 4 

 3 

 5 

 5 

 4 







1 



"4" 



10 



7 

 11 

 17 

 10 

 13 

 23 

 24 

 23 

 15 

 12 



8 

 19 



9 

 13 

 12 



4 

 11 

 18 



5 



7 



4 



6 



3 



6 



3 





1 



1 

 2 

 2 

 4 



2 

 5 

 4 

 3 



3" 



6 

 1 

 3 

 2 

 1 

 2 

 2 

 1 

 2 

 2 



"i" 





1 



1 

 1 



1 

 1 







1 



1 



i" 



1 



1 

 1 



4 







1 



"2 

 2 

 2 



1 

 2 

 3 



"3" 



1 

 2 

 1 

 1 







1 

 1 







1 

 4 

 1 

 3 







1 



1 



1 



... 1 









"2" 



i" 

 2 



1 

 "i" 



T 



2 



1 

 2 

 1 



1 



y 

 1 



1 



2 



1 

 1 



1 



1 

 1 



1 



2 









2 

 2 





1 



1 

 1 

 1 



2 

 1 



1 



1 

 1 



1 



1 





1 

















"i" 



1 

 4 

 3 





3 

 1 



1 















2 



2 



1 





1 



1 



1 











1 





1 





1 

 1 



1 













1 









761 



2 



35 



300 



195 J89 



i 



45 



21 



is 



11 



11 



10 



6 



2 



2 



1 



1 



5.53 



30 



2 



Pup^ of the First Bkood. 



Time of pupation. — The larvae of the first brood reared in the 

 insectary began to 

 pupate on June 25 and 

 at this time 3 indi- 

 viduals transformed. 

 The rate of pupation 

 gradually increased 

 until it reached its 

 maximum on July 7, 

 "when 50 individuals 

 pupated, as will be 

 seen by reference to 

 Table XXXVIII and 

 figure 22. The last 

 larva of this brood 

 transformed to the 

 pupal stage August 11 



Fig. 22. — Time of pupation of first brood of the codling 

 moth, Grand Junction, Colo., 1916. 



In all a total of 766 pupae was recorded. 



