84 



BULLETIN 429, U. S. DEPARTMENT OF AGRICULTURE. 



bands July 13. The greatest number of second-brood larvae occurred 

 August 30, 48 days later, and the very probable overlapping of this 

 brood with larvae of the partial third brood, coupled with a decreas- 

 ing amount of available fruit during the late summer and early fall, 



JUNE JULY AUGUST SEPTEMBER 



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Fig. 13. — Curve showing occurrence of codlin|-moth larvae under bands on apple trees, Lincoln, N. 



Mex., 1913. (Original.) 



undoubtedly was influential in producing a uniform number of larvae 

 from which no reliable maximum number could be determined. 



Table LXI. — Codling-moth larvae from bands and emergence of moths, Lincoln, N. Mex., 



1913. 



[Larvae collected by Mr. E. A. Engstrom.] 



Record No 



Date of 

 collection. 



Num- 

 ber of 

 larvae. 



Emer- 

 gence of 

 moths. 



Num- 

 ber of 

 winter- 

 ing lar- 

 vae. 



Record No. 



Date of 

 collection. 



Num- 

 ber of 

 larvae. 



Emer- 

 gence of 

 moths. 



Num- 

 ber of 

 winter- 

 ing lar- 

 vae. 



1 



May 20 

 23 

 26 

 29 



June 1 

 4 

 7 

 10 

 13 

 16 

 19 

 22 

 25 

 28 



July 1 



4 



7 



10 



13 



16 



19 



22 



25 



28 



31 



Aug. 3 



6 



9 



12 









30 



Aug. 15 



18 



21 



24 



27 



30 



Sept. 2 



5 



8 



11 



14 



17 



20 



23 



26 



29 



Oct. 2 



5 



8 



11 



14 



17 



20 



23 



26 



29 



Nov. 1 



4 



7 



84 

 100 

 134 

 156 

 134 

 167 

 93 

 89 

 88 

 71 

 56 

 89 

 78 

 50 

 34 

 20 

 28 

 30 

 26 

 32 

 40 

 29 

 12 

 7 

 23 

 1 

 6 

 14 

 15 



35 



26 

 21 



6 



2 



1 



Y 



49 



2 









31 



74 



3 









32 



110 



4.. 









33 



150 



5 









34 



132 



6 









35 



166 



7. 









36 



93 



8 . 









37 



89 



9.. 



7 

 25 

 35 

 20 

 20 

 17 

 14 

 36 

 56 

 46 

 67 

 60 

 41 

 37 

 32 

 17 

 10 

 17 

 30 

 25 

 61 



6 

 18 

 29 

 13 

 18 

 14 

 14 

 31 

 42 

 40 

 50 

 50 

 24 

 31 

 23 

 12 

 8 

 9 

 20 

 11 

 22 



1 



7 

 6 



2 

 3 



38 



87 



10 



39 



71 



11... 



40 



56 



12 



41 



89 



13 . 



42 



78 



14 



43..... 



50 



15 



44 



34 



16 



5 

 10 

 6 

 17 

 10 

 17 

 6 

 9 

 5 

 2 

 8 

 10 

 14 

 39 



45 : 



20 



17 



46 



28 



18... 



47 



30 



19 



48 



26 



20 



49 



32 



21. 



50 



40 



22 



51 



29 



23 



52 



12 



24 



53 



7 



25 



54 



23 



26 



55 



1 



27 



56 



6 



28 . 



57 



14 



29. 



58 



15 









