54 



DECIDUOUS FRUIT TNSECTS AND INSECTICIDES. 



Table LV. — Life cycle of the first generation of the codling moth, as observed by rearing 

 at Douglas, 'Mich., in 1911 — Continued. 



No. 

 of ob- 

 serva- 

 tion. 



Date of— 



Days for — 



28 



29 



30 



31 



i 31' 



133 



1 34 



135 



36 



37 



38 



39 



40 



41 



42 



'43 



1 44 



145 



46 



47 



48 



lit 



150 



151 



152 



153 



154 



55 



5(1 



57 



158 



159 



1 (10 



61 



62 



(13 



(14 



65 



66 



67 



68 



69 



170 



1 71 



1 72 



73 



74 



75 



deposi- 

 tion. 



June 11 

 ...do.... 

 ...do.... 

 ...do.... 

 ...do.... 

 ...do.... 

 ...do.... 

 ...do.... 

 ...do.... 



June 12 

 ...do.... 

 ...do...-. 

 ...do.... 

 ...do.... 

 ...do.... 

 ...do.... 

 ...do.... 

 ...do.... 

 ...do.... 



June 13 

 ...do.... 

 ...do.... 

 ...do..... 



Juno 14 



..do..... 

 ...do 



..do 



..do 



June 15 



..do 



..do 



June 16 



..do 



..do 



.Tunc 18 



..do 



..do 



..do 



..do 



June 19 

 June 20 



..do 



..do 



..do 



..do 



..do 



June 26 

 June 27 

 ...do 



Tlateh- 

 ing. 



June 20 



...do 



...do 



...do 



...do 



...do. 



...do 



...do.... 

 ...do.... 

 June 21 

 ...do.... 

 ...do.... 



...do 



...do.... 

 ...do.... 

 ...do.... 

 ...do.... 

 ..do.... 

 ...do.... 

 June 22 

 ..do.... 

 ..do.... 

 ..do.... 

 ..do.... 

 ..do.... 

 ..do.... 

 ..do.... 

 ..do.... 

 June 23 

 ..do.... 

 ..do.... 

 ..do.... 

 ..do.... 

 ..do.... 

 June 24 

 ..do.... 

 ..do.... 

 ..do.... 

 ..do.... 

 June 26 

 June 27 



..do 



..do.... 



..do 



..do 



..do 



July 3 

 Julv 4 

 ..do 



Larva 

 leaving 

 the fruit 



July 7 



..do 



Julv 9 

 July 13 



..do 



July 7 

 Julv 9 

 ..do.... 

 Julv 13 

 Julv 6 

 July 8 

 July 10 

 ..do.... 

 ..do.... 

 July 11 



..do 



July 9 

 July 15 



July 11 

 ..do.... 

 Julv 12 

 ..do.... 

 July 10 

 Julv 11 



..do 



July 21 



July 9 

 July 12 

 July 18 

 Julv 12 



..do 



Julv 13 

 July 12 

 July 17 

 Julv 18 

 Julv 20 

 Julv 23 

 Julv 15 

 Julv 12 

 Julv 24 



Julv 14 



..do 



July 20 

 July 2S 



..do 



..do 



Pupa- 

 tion. 



July 12 

 ...do.... 



July 13 

 July 18 

 Julv 20 

 July 12 

 Julv 13 

 Julv 12 

 July 19 

 July 9 

 July 14 

 July 1(1 

 July 15 

 Julv 10 

 ..do.... 

 Julv 15 

 ..do.... 



Emer- 

 gence of 

 moth. 



July 20 



July 18 



..do 



July 21 



Julv 15 



July 16 



July 17 



July 29 



July 14 



Julv 18 



Julv 26 



Julv 17 



July 19 



July 18 



July 27 



July 30 



..do 



July 28 



Julv 29 



Julv 26 



Julv 20 



July 29 



Ails.'. 4 



Julv 21 



Julv 23 



Julv 29 



Aug. 3 



..do 



Aug. 6 



Julv 29 

 July 30 

 Aug. 4 

 Aug. 5 

 July 28 

 Julv 31 

 July 28 

 Aug. 4 

 July 22 

 July 31 

 Aug. 1 

 July 31 

 Aug. 2 

 Aug. 9 

 July 31 



...do..... 

 Aug. 8 



2 July 31 

 Aug. 4 

 ..do..... 

 Aug. 3 

 Aug. 5 

 July 31 

 Aug. 1 



..do 



Aug. 10 

 Aug. 1 

 July 30 



Aug. 10 



Aug. 9 



Aug. 10 



Aug. 9 



Aug. 5 



Aug. 10 



Aug. 18 



Aug. 5 



Aug. 6 



Aug. 1(1 



-Vim. 15 



..do 



Aug. 19 



Hatch- 

 ing. 



Feed- 

 ing. 



Making 



of 

 cocoon. 



Pupal 

 period. 



Total 



life 

 cvcle. 



Bagged fruit; average feeding, 20.9 daj - 



2 Pupated in fruit; average feeding, 21.4 days. 



Table LVI. — Length of the life cycle of the first generation: summary of Table LV. 



