14 



BULLETIN" 1235, U. S. DEPARTMENT OP AGRICULTURE. 



Table 10. — Composition by codling moths of the first brood in rearing cages> 



Yakima, Wash., 1919. 







Sex. 



Date of— 



Number of days— 



Total 

























Ob- 

 ser- 

 va- 

 tion. 



Num- 

 ber of 

 moths. 



Male. 



Fe- 

 male. 



Emer- 

 gence. 



First 

 ovipo- 

 sition. 



Maxi- 

 mum 

 ovipo- 

 sition. 



Last 

 ovipo- 

 sition. 



Be- 

 fore 

 ovi- 

 posi- 

 tion. 



From 

 emer- 

 gence 



to 

 maxi- 

 mum 



Of 

 ovi- 

 posi- 

 tion. 



From 

 emer- 

 gence 

 to last 

 ovipo- 



num- 

 ber 

 of 



T 



pos- 

 ited. 























ovipo- 





sition. 

























sition. 









1 



18 



7 



11 



July 



16 



July 18 



July 21 



Aug. 4 



2 



5 



18 



19 



167 



2 



32 



17 



15 



July 



17 



...do 



July 20 



July 26 



1 



3 



9 



9 



196 



3 



21 



10 



11 



July 



18 



July 20 



...do 



Aug. 3 



2 



2 



15 



16 



144 



4 



74 



40 



34 



July 



19 



...do 



...do 



Aug. 7 



1 



1 



19 



19 



923 



5 



25 



10 



15 



July 



20 



July 21 



July 21 



Aug. 3 



1 



1 



14 



14 



406 



6 



58 



25 



33 



July 



21 



July 22 



July 23 



Aug. 9 



1 



2 



19 



19 



481 



7 



46 



23 



23 



July 



22 



July 23 



July 29 



Aug. 5 



1 



7 



14 



14 



237 



8 



20 



11 



9 



July 



23 



July 26 



July 30 



Aug. 3 



3 



7 



9 



11 



108 



9 



23 



14 



9 



July 



24 



...do 



July 29 



Aug. 9 



2 



5 



15 



16 



209 



10 



29 



14 



15 



July 



26 



July 29 



Aug. 1 



Aug. 6 



3 



6 



9 



11 



248 



11 



33 



10 



23 



July 



27 



July 28 



July 29 



Aug. 9 



1 



2 



13 



13 



657 



12 



36 



11 



25 



July 



28 



July 29 



...do 



...do 



1 



1 



12 



12 



720 



13 



36 



11 



25 



July 



29 



July 30 



July 31 



Aug. 11 



1 



2 



13 



13 



930 



14 



50 



27 



23 



July 



30 



July 31 



Aug. 7 



Aug. 19 



1 



8 



20 



20 



667 



15 



30 



15 



15 



July 



31 



Aug. 2 



Aug. 5 



Aug. 18 



2 



5 



17 



18 



291 



16 



19 



10 



9 



Aug. 



1 



...do 



...do.... 



Aug. 10 



1 



4 



9 



9 



376 



17 



27 



16 



11 



Aug. 



2 



Aug. 5 



...do 



Aug. 14 



3 



3 



10 



12 



129 



18 



21 



7 



14 



Aug. 



3 



Aug. 6 



Aug. 6 



Aug. 21 



3 



3 



16 



18 



356 



19 



25 



11 



14 



Aug. 



5 



...do 



Aug. 9 



Aug. 15 



1 



4 



10 



10 



750 



20 



40 



17 



23 



Aug. 



6 



Aug. 7 



Aug. 7 



Aug. 24 



1 



1 



18 



18 



249 



21 



22 



10 



12 



Aug. 



7 



Aug. 8 



Aug. 10 



Aug. 11 



1 



3 



4 



4 



66 



22 



27 



13 



14 



Aug. 



8 



Aug. 9 



Aug. 9 



Aug. 18 



1 



1 



10 



10 



465 



23 



28 



9 



19 



Aug. 



9 



Aug. 12 



Aug. 12 



Sept. 4 



3 



3 



24 



26 



254 



24 



31 



15 



16 



Aug. 



10 



Aug. 11 



Aug. 14 



Aug. 21 



1 



4 



11 



11 



508 



25 



27 



6 



21 



Aug. 



11 



Aug. 14 



Aug. 18 



Aug. 29 



3 



7 



16 



18 



229 



26 



33 



13 



20 



Aug. 



12 



...do.... 



...do 



Aug. 25 



2 



6 



12 



13 



543 



27 



27 



11 



16 



Aug. 



14 



Aug. 15 



Aug. 15 



Aug. 27 



1 



1 



13 



13 



179 



28 



14 



6 



8 



Aug. 



15 



Aug. 17 



Aug. 18 



Aug. 25 



2 



3 



9 



10 



211 



29 



30 



9 



21 



Aug. 



16 



Aug. 18 



Aug. 20 



Sept. 3 



2 



4 



17 



18 



610 



30 



37 



18 



19 



Aug. 



17 



...do 



...do 



Sept. 2 



1 



3 



16 



16 



207 



31 



45 



19 



26 



Aug. 



18 



Aug. 19 



Aug. 21 



Aug. 31 



1 



3 



13 



13 



585 



32 



32 



16 



16 



Aug. 



19 



Aug. 20 



Aug. 20 



Sept. 10 



1 



1 



22 



22 



448 



33 



27 



12 



15 



Aug. 



20 



Aug. 21 



Aug. 23 



Sept. 4 



1 



3 



15 



15 



396 



34 



32 



12 



20 



Aug. 



21 



Aug. 22 



Aug. 25 



Sept. 10 



1 



4 



20 



20 



4S0 



35 



26 



11 



15 



Aug. 



22 



Aug. 23 



Sept. 2 



Sept. 13 



1 



11 



22 



22 



333 



36 



22 



10 



12 



Aug. 



23 



Aug. 24 



Aug. 25 



...do 



1 



2 



21 



21 



315 



37 



21 



8 



13 



Aug. 



24 



Aug. 25 



Aug. 28 



Sept. 10 



1 



4 



17 



17 



190 



38 



21 



12 



9 



Aug. 



25 



Aug. 26 



Aug. 30 



Sept. 13 



1 



5 



19 



19 



2S6 



39 



21 



9 



12 



Aug. 



2G 



Aug. 28 



...do 



2 



4 



17 



18 



320 



40 



16 



5 



11 



Aug. 



2S 



Sept. 1 



Sept. 2 



*Sept'."i6" 



4 



5 



16 



19 



685 



41 



10 



4 



6 



Aug. 



29 



Sept. 7 



Sept. 13 



3 



9 



13 



15 



228 



42 



20 



10 



10 



Aug. 



30 



'Sept.'Y 



Sept. 13 



Sept. 18 



3 



14 



17 



19 



216 



43 



19 



11 



8 



Aug. 



31 



Sept. 1 



Sept. 9 



Sept. 20 



1 



9 



20 



20 



276 





Averag 











1.63 



4.21 



14.95 



15.58 







Siaximi 

 Minimi 



im 









4 

 1 



14 

 1 



24 



4 



26 

 4 





im 

















Number of male moths 555 



Number of female moths 696 



Total number of moths 1 , 251 



Total number of eggs 16, 279 



Average number of eggs per female moths 23. 39 



Number of eggs per female moth. — Table 10 shows that 696 female 

 moths deposited 16,279 eggs, or an average of 23.39 eggs per female. 



Length of life of moths. — Table 11 shows that of 555 male moths 

 and 694 female moths, the males lived slightly longer. 



