LIFE HISTORY OF CODLING MOTH IN PECOS VALLEY, N. MEX. 7 



Table IV. — Length of incubation period of eggs of the first brood of the codling moth, 



Boswell, N. Mex., 1912. 





Date of 

 egg depo- 

 sition. 



Date of— 



Duration of— 



Observation No. 



Red 

 ring. 



Black 

 spot. 



Hatch- 

 ing. 



Red 

 ring. 



Black 

 spot. 



Incu- 

 bation. 



1 , 



Apr. 26 

 26 

 26 

 26 



28 

 28 

 28 

 29 

 29 

 29 

 May 2 

 2 



3 

 3 



3 

 4 

 4 

 4 

 4 

 5 

 5 

 6 

 6 

 8 

 8 

 9 

 9 



10 

 10 

 11 

 12 

 12 

 13 

 13 

 15 

 15 

 16 

 16 

 17 

 17 

 18 

 18 

 19 

 20 

 20 

 21 

 21 

 22 

 22 

 23 

 23 

 23 

 27 

 27 

 30 



Apr. 29 



29 



29 



29 



May 3 



3 



3 



3 



3 



3 



6 



6 



7 



7 



7 



10 



10 



10 



10 



12 



12 



12 



12 



14 



14 



15 



15 



16 



16 



18 



18 



18 



19 



19 



18 



18 



19 



19 



20 



20 



21 



21 



. 23 



22 



22 



23 



23 



24 



24 



25 



25 



25 



30 



30 



Juno 2 



May 4 



4 



4 



4 



5 



5 



5 



5 



5 



5 



9 



9 



10 



10 



10 



12 



12 



12 



12 



14 



14 



15 



15 



18 



18 



18 



18 



19 



19 



20 



20 



20 



21 



21 



20 



20 



21 



21 



22 



22 



23 



23 



24 



24 



24 



25 



25 



27 



27 



27 



27 



27 



31 



31 



Juno 4 



May 6 

 7 

 8 

 9 

 7 

 8 

 9 

 7 

 8 

 9 



10 

 12 

 12 

 13 

 14 

 14 

 15 

 16 

 17 

 16 

 17 

 17 

 19 

 19 

 20 

 20 

 21 

 21 



09 



21 

 21 

 22 

 23 

 24 

 22 

 22 

 22 

 23 

 23 

 24 

 24 

 25 

 25 

 25 

 26 

 26 

 27 

 28 

 29 

 29 

 30 

 31 

 Juno 2 

 3 

 6 



Days. 

 5 

 5 

 5 

 5 

 2 

 2 

 2 

 2 

 2 

 2 



3 

 3 

 3 

 3 

 3 

 2 

 2 

 2 

 2 

 2 

 2 

 3 

 3 

 4 

 4 

 3 

 3 

 3 

 3 

 2 

 2 

 2 

 2 

 2 

 2 

 2 

 2 

 2 

 2 

 2 

 2 

 2 

 1 

 2 

 2 

 2 

 2 

 3 

 3 

 2 

 2 

 2 

 1 

 1 

 2 



Days. 

 2 

 3 

 4 

 5 

 2 

 3 

 4 

 2 

 3 

 4 

 1 

 2 

 2 

 3 

 4 

 2 

 3 

 4 

 5 

 2 

 3 

 2 

 4 

 1 

 2 

 2 

 3 

 2 

 3 

 1 

 1 

 2 

 2 

 3 

 2 

 2 

 1 

 2 

 1 

 2 

 1 

 2 

 1 

 1 

 2 

 1 

 2 



1 



2 

 2 

 3 

 4 



2 



3 

 2 



Days. 

 10 



2 



11 



3 



12 



4 



13 



5 



9 



6 



10 



7 .. . 



11 



8 



8 



9 . . 



9 



10 



11 . .... 



10 



8 



12 



10 



13 



9 



14 



10 



15 



11 



16 



10 



17 



11 



18 



12 



19 



13 



20 



11 





12 



22 



11 





13 



24 



11 



25.... 



12 



26 



11 



27 



12 



28 



11 



29 



12 



30 ... 



10 





9 



32 



10 



33 



10 



34.... 



11 



35 



7 



36.... 



7 



37 



6 



38 



7 





6 



40 



7 



41 



6 



42 



7 





6 



44 







6 



46 



5 





6 



48 



6 



49 



7 



50 









7 



52 



8 



53 



6 



M 



7 



55. 



7 









2.47 

 5 



1 



2. 36 



1 



9 05 



.Maximum 











13 



























