LIFE HISTORY OF CODLING MOTH IIST PECOS VALLEY, N, MEX. 9 



Table VI. — The making of cocoons hy codling-moth larvse of the first brood, Roswell, 



N. Mex., 1912. 



Date of leaving fniit. 



Num- 

 ber 

 of in- 

 divid- 

 uals. 



Length of eocooning period in specified 

 days. being the fime from the leav- 

 ing of fruit to the time of pupation. 



Aver- 

 age 

 days. 



Mini- 

 mum 

 days. 



Maxi- 

 mum 

 days. 



Total 

 days. 





2 



3 



4 



5 



6 



7 



10 



11 



12 





2 

 3 



2 

 1 

 1 



1 

 6 

 5 

 1 



1 



4 

 4 

 3 

 3 



2 











1 



1 







1 



9 



6.3 

 7.5 

 11 

 6 

 6 



4.13 

 6.4 

 6 

 3 

 4 



3.75 

 3.5 

 5 



4.3 

 4.5- 



6 

 3 

 5 

 11 



6 

 6 



4 

 4 

 6 

 3 

 4 

 3 

 2 

 3 

 4 

 4 



12 

 10 

 10 

 11 

 6 

 6 

 5 

 11 

 6 

 3 

 4 

 5 

 6 

 7 

 5 

 5 



IS 



3 





1 









1 

 1 





19 



4 





1 







15 



5 . . 













1 





11 



6 











1 



1 







6 



7 

















9 



8 









1 





] 





25 



9 







9 









1 





32 



10 









1 



6 



11 





1 















3 



12 

















8 



13 



"2 



2 



"i" 



1 



"i' 

 1 













15 



14 



1 











14 



15 











15 



16 









13 



19 







1 













9 























41 



2 



5 



13 



8 



6 



2 



2 



2 



1 



5.24 



2 



12 



215 



THE FIRST BROOD OP PUP^. 



Time of pupation. — The earliest pupation of the first brood recorded 

 occurred June 1 and the latest July 11. (See Table VII.) 



Length of pupal stage. — From a total of 160 individual insects under 

 observation in this connection the results show that the pupal period 

 varied from 9 to 19 days, with an average of 12.11 days. - These 

 figures are given in Table VII. 



Table Yll.— Pupal stage of the first brood of the codling moth, Roswell, N. Mex., 1912. 



Date of pupation. 



Num- 

 ber 

 of in- 

 divid- 

 uals. 



Length of pupal period in specified 

 days, being the time from date of 

 pupation to the emergence of moth. 



Aver- 

 age 

 days. 



Mmi- 

 mum 

 days. 



Maxi- 

 mum 



days. 



Total 

 days. 





9 



10 



11 



12 



13 



14 



15 



16 



19 



June 1 



1 



2 



1 



1 



1 



5 



3 



6 



17 



5 



18 



27 



12 











1 











13 



12 



13 



12 



14 



14.2 



14.6 



13.8 



12.3 



12.4 



12.0 



12.7 



13. 4 



12. 6 



13 



11.5 



11.2 



10. 6 



10. 3 



10.2 



10. f> 



10. -t 



10.2 



10.4 



10 



9 



9 

 11 

 12 

 13 



13 

 12. 

 13 

 12 

 14 

 13 

 14 

 11 

 11 

 12 

 11 

 12 

 12 

 12 

 13 

 11 

 10 

 10 

 10 

 10 

 10 

 10 

 10 

 10 

 10 

 !) 

 '.) 

 11 

 12 

 13 



13 

 12 

 13 

 12 

 14 

 16 

 16 

 19 

 14 

 13 

 14 

 14 

 15 

 13 

 13 

 12 

 12 

 12 

 11 

 11 

 11 

 12 

 11 

 11 

 10 

 



'.) 

 11 



12 

 13 



13 



2 









2 











24 



3 









1 











13 



4 



















12 



6 











1 



3 

 2 



"i' 









14 



9 











1 





1 

 1 





71 



10 











44 



11 









11 

 3 

 6 

 9 



2 

 4 

 2 

 

 16 

 

 3 



83 



12 







209 



13 













62 



11 



.... 







4 

 2 

 1 









228 





' 











344 



10 









3 







161 



17 



5 

 1 



2 

 11 

 8 

 3 

 5 



4 



2 

 I 

 1 

 1 



1 



1 













63 



IS 

















13 



V.) 



















23 



22 



.... 

 1 



1 



4 

 2 

 4 

 2 

 4 

 3 

 3 

 2 













123 



23 













85 



24 













31 



25 















51 



2« 















63 



28 















62 



■j<,i 













41 



July 1 















52 



2 















•'0 



5 

















i| 



8 



















9 



« 



















11 



10 



















12 



II 











,f 









13 























im 



2 



25 



24 



It 



44 



14 



4 



2 



1 



12. U 



9 



19 



1,939 



