THE CODLING MOTH IN MICHIGAN. 



57 



Table LVII. — Length of incubation of the second brood of eggs, and average tempera- 

 ture during incubation, Douglas, Mich., 1911 — Continued. 



No. of 

 obser- 

 vation. 



81 

 82 

 83 

 84 

 85 

 86 

 87 

 88 

 SO 

 90 

 91 

 92 

 93 

 94 

 95 

 96 

 97 

 98 

 99 

 100 

 101 

 102 

 103 

 104 

 105 

 106 

 107 

 108 

 109 



no 



Num- 

 ber of 

 eggs. 



Date of- 



Egg dep- 

 osition. 



A ppear- 

 ance of 

 red ring. 



Aug. 22 

 Aug. 24 

 ..do.... 



Aug. 20 

 Auk. 27 

 ..do. . . . 



Aug. 28 

 ..do... 



..do... 

 ..do... 

 Aug. 30 

 ..do... 

 Aug. 31 

 ..do... 

 Sept. 2 

 Sept. 8 

 ..do.... 

 Sept. 9 

 ..do... 

 ..do... 



Sept. 10 



..do... 



..do... 

 Sept. 11 

 ..do... 

 ..do... 

 ..do... 

 Sept. 12 

 ..do... 



Sept. 13 



..do... 

 ..do... 

 ..do... 

 ..do... 

 Sept. 14 



Sept. 17 

 ..do... 

 ..do... 



Aug. 

 Aug. 

 ...do. 

 Aug. 

 A.ug. 

 do. 



...do. 

 ...do. 



Sept. 

 ...do. 

 Sept. 

 ..do. 



Sept. 



...do. 



Sepl. 

 Sept. 

 ..do. 



s x. 



..do. 

 Sept. 

 ..do. 

 ...do. 

 Sept. 

 ..do. 

 Sept. 

 ..do. 

 ..do. 

 ..do. 



Sepl. 



..do. 



..do. 

 ..do. 

 ..do. 

 ..do. 

 ..do. 



Sept. 



..do. 

 ..do. 



Appear- 

 ance of 

 black 

 spot. 



Hatch- 

 ing. 



Aug. 



.». 



...do. 

 Sept. 

 ...do. 



. S X: 

 .«. 



Sept. 



...do. 



.fS 



Sept. 



Sept. 



...do. 

 Sept. 



Sept. 

 ...do. 



Sept. 

 ...do. 



Sept. 

 ...do. 

 ...do. 



Sept. 

 Sepl. 



...do. 



...do. 

 ...do. 

 ...do. 

 Sept. 

 ...do. 

 ...do. 



Sept. 



Sept. 

 Sept. 



...do. 

 ...do. 



Sept, 2 

 Sept. 4 

 Sept. 5 

 ...do... 

 ..do... 



Sept. li 



..do... 

 Sept. 7 

 Sept. s 



S X:.:' 



Sept. 10 

 ..do... 



Sept. 11 

 Sept. 15 

 Sept. IS 

 Sept. 19 

 ..do... 

 Sept. 20 

 Sepi . 25 

 Sept. 21 

 Sept. 22 

 Sept. 24 

 Sept. 22 

 Sept. 23 

 Sept. 24 

 Sept. 25 

 Sept. 24 

 Sept. 25 

 Sept, 24 

 Sept. 25 

 Sept. 20 

 Sepl. 27 

 Sept, 28 

 Sept, 24 

 Sept. 28 

 Sept. 29 

 Oct. l 

 Oct. 3 



Duration of— 



Red 

 ring. 



Days. 

 3 

 2 

 2 



4 

 4 

 4 

 3 

 3 

 4 

 4 

 3 

 3 

 3 

 3 

 4 

 3 

 3 

 3 

 3 

 3 

 3 

 3 

 3 

 4 

 4 

 5 

 5 

 4 

 4 

 4 

 4 

 4 

 4 

 4 

 3 

 3 



Black 



spot. 



Days. 

 8 

 9 

 9 



Incu- 

 bation. 



Days. 

 11 

 11 

 12 

 in 





 10 



9 

 10 

 11 

 12 



to 

 11 



10 



n 



13 

 10 

 11 

 10 

 11 

 16 

 11 

 12 

 14 

 11 

 12 

 13 

 14 

 12 

 13 

 11 

 12 

 13 

 14 

 15 

 10 

 14 

 12 

 14 

 16 



Average 

 me in 



tempera- 

 ture. 



"F. 



61.81 



61.96 



62.23 



62.95 



62.90 



03.17 



62. 59 



62.41 



62.39 



62. 84 

 63.58 

 63. 27 



63. 77 

 63.60 

 62. 14 

 62. 40 

 62.85 



02.34 



62.06 



61.09 



m. SO 



01.30 

 61.09 

 61.35 

 60.92 

 01 . 03 

 61.11 



00.71 

 00. SI 



61. io 

 61. 27 

 00. 93 

 60. 43 

 60.47 

 61.68 

 00.70 

 59.00 



58. 55 



57. SO 



Table LVIII. — Length of incubation of second-brood eggs laid in rearing cages, Douglas, 

 Mich. ,'1911; summary of Table L VLT. 



