THE PECAN LEAF CASE-BEARER. 



13 



As is shown in Table VI, the average length of the pupa stage dur- 

 ing 1913 was 19.89 days, the maximum 23, and the minimum 17. 



Table VII shows the length of the pupa stage for 45 individuals for 

 the season of 1914. 



Table VII. — Length of pupa stage of the pecan leaf case-bearer at Monticello, Fla., 



during 1914- 



Number 

 of indi- 

 viduals. 



Date of— 



Days as 

 pupa. 



Number 

 of indi- 

 viduals. 



Date of— 



Days as 

 pupa. 



Pupa- 

 tion. 



Emer- 

 gence. 



Pupa- 

 tion. 



Emer- 

 gence. 



2 



1 



1 



1 



1 



1 



1 



1 



1 



1 



2 



1 . 



1 



1 



2 



2 



2 



1 



1 



1914. 

 May 5 

 May 10 

 May 11 



...do.... 

 May 12 



...do 



May 13 



...do 



May 14 

 May 15 



...do 



...do.... 

 May 16 



...do 



May 18 



...do 



...do.... 

 May 19 

 May 22 



1914. 

 May 25 

 May 30 



...do.... 

 May 29 

 May 31 

 June 1 

 May 31 

 June 1 

 June 2 



...do.... 

 ..do... 



...do 



...do.... 

 June 4 



...do 



June 5 

 June 6 

 June 8 

 June 10 



20 

 20 

 19 

 18 

 19 

 20 

 18 

 19 

 19 

 17 

 18 

 17 

 18 

 19 

 17 

 18 

 19 

 20 

 19 



1 

 2 

 3 

 3 

 1 

 1 

 1 

 2 

 1 

 1 

 2 

 1 

 2 



1914. 

 May 23 



...do 



May 25 



...do 



...do.... 



...do.... 



...do.... 

 May 26 



...do.... 

 May 27 

 May 28 

 May 29 

 June 9 



1914. 

 June 8 

 June 9 

 June 10 

 June 11 

 June 12 

 June 13 

 June 11 

 June 12 

 June 13 

 ...do.... 

 June 15 

 ...do.... 

 June 26 



16 

 17 

 16 

 17 

 18 

 19 

 16 

 17 

 18 

 17 

 18 

 17 

 17 



Average 

 Maximu 

 Minimui 





17.66 



20. 



16. 









During 1914 the average length of the pupa stage was determined 

 to be 17.66 days, the maximum being 20 and the minimum 16. 



Table VIII shows the length of the pupa stage for 109 individuals 

 for the season of 1915. 



Table VIII. — Length of the pupa stage of the pecan leaf case-bearer at Monticello, Fla., 



during 1915. 





Date of— 







Date of— 





Number 

 of indi- 





Days as 



Number 

 of indi- 





Days as 











viduals. 



Pupa- 



Emer- 





viduals. 



Pupa- 



Emer- 







tion. 



gence. 







tion. 



gence. 







1915. 



1915. 







1915. 



1915. 





3 



May 5 



May 22 



17 



1 



May 25 



June 11 



17 



3 



...do.... 



May 23 



18 



1 



...do.... 



June 12 



18 



1 



May 6 



May 22 



16 



2 



May 28 



June 16 



19 



1 



...do.... 



May 23 



17 



1 



May 29 



...do 



18 



2 



...do.... 



May 24 



18 



1 



May 31 



...do.... 



16 



4 



May 7 



...do.... 



17 



1 



...do.... 



June 18 



18 



3 



...do.... 



May 25 



18 



5 



June 1 



...do.... 



17 



1 



May 8 



...do.... 



17 



3 



June 2 



...do.... 



16 



1 



May 9 



...do.... 



16 



12 



...do.... 



June 19 



17 



1 



...do.... 



May 27 



18 



3 



...do.... 



June 20 



18 



1 



May 13 



May 30 



17 



4 



June 3 



June 19 



16 



1 



May 19 



June 5 



17 



8 



...do.... 



June 20 



17 



5 



May 20 



June 6 



17 



7 



...do 



June 21 



18 



2 



...do.... 



June 7 



18 



1 



June 13 



July 1 



18 



2 



May 21 



...do.... 



17 



2 



June 14 



June 30 



16 



1 



...do.... 



June 8 



18 



2 



...do.... 



July 1 



17 



1 



May 22 



June 9 



18 



2 



...do 



July 3 



19 



2 



May 23 



June 8 



16 



5 



June 16 



...do.... 



17 



2 



...do.... 



June 9 



17 



1 



June 17 



...do.... 



16 



1 



...do.... 



June 10 



18 











1 



May 24 



June 9 



16 









5 

 2 

 1 



...do.... 

 ...do.... 

 May 25 



June 10 

 June 11 

 June 10 



17 

 18 

 16 



Average 

 Maximu 

 Minimu 





17.15 



19. 

 16. 









