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- 

 ser- 

 va- 



tion. 



Num- 

 ber 

 of 

 moths. 



Male. 



Fe- 

 male. 



Emer- 

 gence. 



First 

 oviposi- 

 tion. 



Maxi- 

 mum ovi- 

 position. 



Last ovi- 

 position. 



Be- 

 fore 

 ovi- 

 posi- 

 tion. 



From 

 emer- 

 gence 



to 

 maxi- 

 mum 

 ovipo- 

 sition. 



Of 

 ovi- 

 posi- 

 tion. 



From 

 emer- 

 gence 

 to last 

 oppo- 

 sition. 



num- 

 ber of 

 eggs 



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 



7S1 



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 



IS 



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 



Sept. 17 



4 



7 



19 



22 



31 



29 



19 



3 



6 



Aug. 27 



Sept. 1 



Sept". "Z 



Sept. 15 



5 



7 



15 



19 



162 



30 



11 



6 



5 



Aug. 2S 



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. 2$ 



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 



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 



'.'.Ao'.'.'.'. 



Sept. 6 



Sept. 29 



1 



3 



2fl 



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 



Sept. 16 



Sept. 20 



2 



11 



14 



15 



34 



39 



3 



1 



2 



Sept. 6 



'Sept."l6' 



Sept. 26 



10 



10 



11 



20 



66 



40 



10 



5 



5 



Sept. 7 



Sept. 12 



Sept.'H* 



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 



Averag( 

 Vlaximi 

 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. 



