BULLETIN 189, U. S. DEPAETMENT OF AGEICULTUEE. 



Table II. — Number of larvse of the codling moth taken from the hands and reared at 

 Charlottesville, Va., in the summer of 1912 and the spring of 1913. (See fig. 2.) 



Date of collecting larvcc. 



Number of 



larvse 

 collected. 



Number of 

 dead from 

 handling, 

 cannibal- 

 ism, etc. 



Number of 



moths 



emerging, 



1912. 



Number 



over- 

 wintering. 



Number 

 winter- 

 killed. 



Number of 



moths 



emerging, 



1913. 



Juno 12 . 



12 

 48 

 49 

 26 

 34 

 33 

 26 

 20 

 20 

 34 

 27 

 12 

 20 

 23 

 26 

 27 

 37 

 30 

 45 

 61 

 60 

 52 

 80 

 53 

 32 

 14 

 2 

 2 





12 



34 



38 



18 



21 



23 



17 



17 



19 



22 



15 



4 



5 



1 









17 



14 



11 



8 



11 



10 



9 



2 



1 



12 



11 









22 









26 





:::;:::;::--::■ 



julv 1 



2 



2 





^ 5:::: 





9 









13 



1 





i 



17 







21 









25 



i 



8 

 15 

 21 

 23 

 27 

 26 

 30 

 35 

 54 

 54 

 43 

 60 

 51 

 29 

 10 

 2 

 2 





1 



Aug. 1 



2 



6 







15 



10 



1 

 3 



3 



19 



13 



20 



17 





27 



21 



10 



1 



16 

 15 

 15 

 28 

 13 



10 



25 



15 



29 



10 

 7 

 6 

 9 



20 

 2 



3 



4 





20 



Sept. 2 





26 







41 



10 





43 



14 





5 

 19 

 13 



4 



55 



18 





32 



25 





16 



29 





6 



Oct. 2 





2 



5 







2 













Total 



Percent 



905 

 100 



164 

 18.12 



247 

 27.29 



494 

 54.59 



139 

 15.36 



335 

 39 23 







— as 

 ao 



75 

 70 

 65 



^ 60 



^- 

 ^ SO 



•^ ^5 



o 



35 

 (^ 30 

 Qj 25 

 % 20 



to 



5 













































































































































































































I 























































\ 

















































I 



\ 





\ 















































\ 





\ 





\ 















































\ 























































/ 





















































A 



/ 































\j 



H 



V 







K 











/\ 



\ 



\ 































V 





\ 





/ 



N 



\ 







^ 



J 





























1 













\ 



/ 





\ 





y 



/ 

















































\ 



/ 



































/ 



r/ 



RS 



T BR 



ooo 









/ 







SE 



:c 



ON 



D 



B 



90 



oc 



) 



























































\ 









nil 



nil 



nil 



III! 



nil 



nil 



nil 



nil 



nil 



nil 



mil 



III! 



nil 



nil 



nil 



nil 



inn 



nil 



nil 



nil 



nil 



nil 



nil 



I 



Hll 



nil 





I 



JUNE JULY yAUGUST SEPTEMBER OC't 



r. 



Fig. 



2.— Diagi-am to illustrate band collections of larvte of the codlmg moth at Charlottesville, Va., in 



1912. 



Unfortunately examinations were not begun until June 12, while 

 larvas were doubtless leaving the fruit as early as June 5-6. Codling- 



