30 



BULLETIN 1235, U. S. DEPARTMENT OF AGRICULTURE. 



Number of eggs per female moth. — Table 26 shows that 620 females 

 deposited 13,615 eggs. 



Table 26. — Oviposition by codling moths of the first brood in rearing cages, Yakima, 



Wash., 1920. 







Sex. 



Date of— 



Number of days 





Total 























Ob- 



Num- 

















From 







num- 



ser- 



ber 















Be- 



emer- 





From 



ber of 



ve 

 tion. 



of 

 moths. 



Male. 



Fe- 

 male. 



Emer- 

 gence. 



First 

 oviposi- 

 tion. 



Maxi- 

 mum ovi- 

 position. 



Last ovi- 

 position. 



fore 

 ovi- 

 posi- 

 tion. 



gence 



to 

 maxi- 

 mum 

 ovipo- 

 sition. 



Of 

 ovi- 

 posi- 

 tion. 



emer- 

 gence 

 to last 

 ovipo- 

 sition. 



eggs 

 de- 

 posit- 

 ed. 



1 



38 



10 



28 



July 27 



July 28' 



Aug. 3 



Aug. 13 



1 



7 



17 



17 



1,067 



2 



28 



10 



18 



July 28 



July 29 



Aug. 2 



Aug. 17 



1 



5 



20 



20 



978 



3 



30 



18 



12 



July 29 



July 30 



Aug. 7 



Aug. 13 



1 



9 



15 



15 



868 



4 



19 



10 



9 



July 30 



Aug. 1 



Aug. 5 



Aug. 16 



2 



6 



16 



17 



654 



5 



18 



6 



12 



July 31 



Aug. 2 



Aug. 4 



Aug. 13 



2 



4 



12 



13 



925 



6 



25 



7 



18 



Aug. 1 



...do 



Aug. 3 



Aug. 10 



1 



2 



9 



9 



72 



7 



25 



10 



15 



Aug. 2 



Aug. 3 



...do 



Aug. 13 



1 



1 



11 



11 



217 



8 



51 



16 



35 



Aug. 3 



Aug. 4 



Aug. 6 



Aug. 15 



1 



3 



12 



12 



813 



9 



51 



23 



28 



Aug. 4 



Aug. 5 



...do 



Aug. 20 



1 



2 



16 



16 



639 



10 



51 



23 



28 



Aug. 5 



Aug. 6 



Aug. 7 



Aug. 21 



1 



2 



16 



16 



484 



11 



62 



29 



33 



Aug. 6 



Aug. 7 



Aug. 9 



Aug. 20 



1 



3 



14 



14 



781 



12 



52 



24 



28 



Aug. 7 



Aug. 8 



...do 



Aug. 23 



1 



2 



16 



16 



575 



13 



45 



20 



25 



Aug. 8 



Aug. 9 



Aug. 12 



Aug. 22 



1 



4 



14 



14 



303 



14 



36 



13 



23 



Aug. 9 



Aug. 11 



Aug. 15 



Aug. 23 



2 



6 



13 



14 



407 



15 



27 



13 



14 



Aug. 10 



...do 



Aug. 14 



Aug. 26 



1 



4 



16 



16 



460 



16 



18 



8 



10 



Aug. 11 



Aug. 13 



...do 



Sept. 1 



2 



3 



20 



21 



343 



17 



26 



10 



16 



Aug. 12 



Aug. 14 



Aug. 22 



...do 



2 



10 



19 



20 



49 



18 



55 



24 



31 



Aug. 13 



...do 



Aug. 15 



Aug. 31 



1 



2 



18 



18 



318 



19 



45 



18 



27 



Aug. 14 



Aug. 15 



Aug. 24 



Sept. 1 



1 



10 



18 



18 



360 



20 



57 



22 



35 



Aug. 15 



Aug. 16 



Aug. 22 



Sept. 2 



1 



7 



18 



18 



170 



21 



24 



-12 



12 



Aug. 18 



Aug. 21 



Aug. 23 



Sept. 5 



3 



5 



16 



18 



303 



22 



25 



9 



6 



Aug. 19 



Aug. 22 



...do 



Sept. 8 



3 



4 



18 



20 



"173 



23 



15 



12 



13 



Aug. 20 



...do 



...do.... 



Sept. 6 



2 



3 



16 



17 



428 



24 



29 



6 



13 



Aug. 21 



Aug. 23 



Sept. 2 



Sept. 4 



2 



12 



13 



14 



29 



25 



12 



17 



15 



Aug. 22 



...do 



Aug. 23 



Sept. 10 



1 



1 



19 



19 



244 



26 



35 



12 



13 



Aug. 23 



Aug. 26 



Aug. 26 



Sept. 8 



3 



3 



14 



16 



176 



27 



21 



9 



12 



Aug. 24 



Aug. 31 



Sept. 2 



Sept. 19 



7 



9 



20 



26 



115 



28 



23 



5 



8 



Aug. 26 



Aug. 30 



...do 



Sept. 17 



4 



7 



19 



22 



31 



29 



19 



3 



6 



Aug. 27 



Sept. 1 



Sept. 3 



Sept. 15 



5 



7 



15 



19 



162 



30 



11 



6 



5 



Aug. 28 



Sept. 2 



Sept. 7 



Sept. 12 



5 



10 



11 



15 



121 



31 



8 



3 



5 



Aug. 29 



Sept. 3 



Sept. 4 



Sept. 7 



5 



6 



5 



9 



17 



32 



6 



1 



5 



Aug. 30 



Sept. 4 



Sept. 16 



Sept. 28 



5 



17 



25 



29 



65 



33 



8 



3 



5 



Aug. 31 



Sept. 3 



Sept. 10 



Sept. 21 



3 



10 



19 



21 



113 



34 



9 



4 



5 



Sept. 1 



Sept. 4 



Sept. 4 

 ...do.... 



Sept. 17 



3 



3 



14 



16 



285 



35 



9 



4 



5 



Sept. 2 



...do.... 



Sept. 18 



2 



2 



15 



16 



5 



36 



14 



4 



10 



Sept. 3 



...do.... 



Sept. 6 



Sept. 29 



1 



3 



26 



26 



179 



37 



17 



10 



7 



Sept. 4 



Sept. 7 



Sept. 10 



Sept. 24 



3 



6 



18 



20 



100 



38 



8 



3 



5 



Sept. 5 



...do.... 



Sept. 16 



Sept. 20 



2 



11 



14 



15 



34 



39 



3 



1 



2 



Sept. 6 



Sept. 16 



...do.... 



Sept. 26 



10 



10 



11 



20 



66 



40 



10 



5 



5 



Sept. 7 



Sept. 12 



Sept. 14 



Sept. 27 



5 



7 



16 



20 



96 



41 



8 



5 



3 



Sept. 8 



Sept. 9 



Sept. 12 



Oct. 1 



1 



4 



23 



23 



246 



42 



8 



3 



5 



Sept. 12 



Sept. 16 



Sept. 18 



Sept. 30 



4 



6 



15 



18 



97 



43 



8 



4 



4 



Sept. 16 



Sept. 30 



Oct. 4 



Oct. 8 



14 



18 



9 



22 



40 



44 



7 



A.verag« 

 tfaximi 

 Minimi! 



1 



6 



Sept. 17 



Sept. 28 



Sept. 28 



Oct. 7 



11 



11 



10 



20 



7 





2.93 



14 



1 



6.07 



18 



1 



15.70 



26 



5 



17.64 



29 



9 





im 











m 





















Number of male moths 456 



Number of female moths 620 



Total number of moths 1, 076 



Total number of eggs 13,615 



Average number of eggs per female moth 21. 96 



Length of life of moths. — Male moths lived an average of 13.87 

 days; females, 13.24 days. These data are given in Table 27. 



