32 



BULLETIN 252, U. S. DEPARTMENT OF AGRICULTURE. 



Table XXVI. — Disposition by moths of spring brood in rearing cages. Winihrop, Me., 



1914. 



Cage. 



Num- 

 ber of 

 moths. 



Sex. 



Date of— 



Number of days — 



9 



d" 



Emer- 

 gence. 



First 



oviposi- 



tion. 



Last 

 oviposi- 

 tion. 



Before 

 oviposi- 

 tion. 



Dura- 

 tion of 

 oviposi- 

 tion. 



From 

 emer- 

 gence to 

 end of 

 oviposi- 

 tion. 



il 

 2 



13 



14 



15 



6 

 7 

 8 

 9 

 10 

 11 



112 



13 

 14 

 15 



U6 



17 



{ i 



3 



( i 

 i i 



10 



13 



17 

 28 

 14 



{' I 



12 



9 



f 8 



3 



\ 6 



1 



I 2 



12 



} 2 



l 



!■ 



• 



6 

 3 

 7 

 6 

 13 



} » 



4 

 5 



! : 



7 



1 

 2 



10 



{K It I}*™ * 



June 21 June 24 

 fJune 22 1 



June 26 

 July 1 



July 11 



July 18 



July 16 



July 14 



July 20 

 ...do 



July 30 

 ...do 



July 25 



July 16 



July 20 



July 25 

 Aug. 3 



Aug. 5 



July 30 









3 



8 



11 



j une n - 

 I June 25 J 

 [June 26 1 

 13 -IJune 27 ll-Julv 4 









5 



6 

 7 

 6 

 11 

 15 

 7 



6 



3 



5 



11 

 5 



[June 28 

 /June 30 

 \July 1 

 July 3 

 July 4 

 July 5 

 July 6 

 July 7 

 July 8 

 /July 9 

 \July 10 

 July 11 

 July 12 

 July 14 

 fJuly 15 

 July 16 

 Uuly 17 

 July 18 

 [July 19 

 July 13 



VJul y 5 



July 8 

 July 11 

 July 8 



...do 



July 9 

 July 11 



Wly ■ 14 



...do.... 

 July 15 

 July 17 



ljuly 18 



July 15 







5 



3 

 2 

 2 

 3 



10 

 13 

 23 

 22 

 15 



11 

 16 

 15 

 24 

 23 

 17 



3 

 3 

 3 



11 



18 



9 

 13 

 20 



2 



16 



17 





hs 88 



Average . 

 Maximur 

 Minimun 





3.272 



7 

 2 



13. 636 

 23 



7 



16 

 24 

 9 





)ths 120 







hs . . . 208 





Total number of eggs 



..:: 2.907 











i Not used in the averages. 



Number of eggs per female.- — As recorded in Table XXVI, 120 female 

 moths confined in cages with male moths deposited a total of 2,907 

 eggs. From these data the average number of eggs per female was 

 found to be 24.225. 



Length of life of moths. — In Table XXVII will be found the length 

 of the life of 72 male and 66 female moths of the spring brood. The 

 average life of the male moth was 13.708 days; of the female, 13.621 

 days. The maximum life of the male moth was 32 days; of the fe- 

 male, 28 days. The minimum life of the male moth was 2 days; of 



the female, 1 day. 



