32 



BULLETIN 252, U. S. DEPARTMENT OP AGRICULTURE. 



Table XXVI — Oviposition by moths of spring brood in rearing cages . Winthrop, Me., 



1914. 



Cage. 



Num- 

 ber of 

 moths. 



Sex. 



Date of — 



Number of days — 



? 



. 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. 



U 

 2 



13 



14 



15 



6 

 7 

 8 

 9 

 10 

 11 



112 



13 

 14 

 15 



U6 



17 



{ \ 



3 



( I 

 < i 



12 

 10 

 13 

 17 

 28 

 14 



{ 1 



7 



12 

 9 



f 8 

 3 



1 6 

 1 



( 2 

 12 



} * 



) : 



}■• 



} 2 



6 

 3 



7 

 6 

 13 



} ' 



4 

 5 

 4 



1 9 



7 



1 

 2 



10 



13 



5 



6 

 7 

 6 

 11 

 15 

 7 



6 



3 



7 

 5 



11 



5 



/June 14 



\June 18 



June 21 



fJune 22 



JJune 23 



ljune 24 



(June 25 



[June 26 



-Mime 27 



[June 28 



/June 30 



\July 1 



July 3 



July 4 



July 5 



July 6 



Julv 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 



jjune 25 

 June 24 



[july 1 



[july 4 



}july 5 



July 8 

 July 11 

 July 8 

 ...do.... 

 July 9 

 July 11 



jjuly 14 



...do 



July 15 

 July 17 



Ijuly 18 



July 15 



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 















5 

 7 

 3 

 2 

 2 

 3 



7 

 10 

 13 

 23 

 22 

 15 



11 

 16 

 15 

 24 

 23 

 17 



3 

 3 

 3 



7 

 11 

 13 



9 

 13 

 20 



2 



16 



17 





tis 88 



Average 



Maximui 



Minimun 





3.272 

 7 

 2 



13. 636 

 23 



7 



16 

 24 

 9 





rths 120 







hs 208 





Total 



number 



of eggs 



2,907 





1 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. 



