84 BULLETIN 429\, U. S. DEPARTMENT OF AGRICULTURE. 



bands July 13. The greatest number of second-brood larvse 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, 



J one: JULY /AUGUST SEPrCMBCR \ 



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Fig. 13. — Curve shomng occurrence of codling-moth larvae under bands on apple trees, Lincoln, N. 



Mex., 1913. (Original.) 



undoubtedly was influential in producing a uniform number of larvss 

 from which no reliable maximum number could be determined. 



Table LXI. — Codling-moth larvsefrom hands and emergence of moths, Lincoln, N. Mex., 



1913. 



[LarvsB 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. 



1 



May 20 

 23 

 26 

 29 

 Jime 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 









2 









3 









4 









5 









6 









7 









8 









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 

 7 

 2 

 3 



5 



10 



6 



17 



10 



17 



6 



9 



5 



2 



8 



10 



14 



39 



10 



11. 



12 



13 . 



14 



1.5 



16 



17 



18 



19 



20 



21 



22 



23 



24 



25. . .. . 



26 



27. 



28 



29... . 





Record No. 



30 

 31 

 32 

 33 



34 

 35 

 36 

 37 

 38 

 39 

 40 

 41 

 42 

 43 

 44 

 45 

 46 

 47 

 48 

 49 

 50 

 51 

 52 

 53 

 54 

 55 

 56 

 57 

 58 



Date of 

 collection. 



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 



Num- 

 ber of 

 larvae. 



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 



Emer- 

 gence of 

 moths. 



Num- 

 ber of 

 winter- 

 ing lar- 

 vae. 



49 



74 



110 



150 



132 



166 



93 



89 



87 



71 



56 



89 



78 



50 



34 



20 



28 



30 



26 



32 



40 



29 



12 



7 



23 



1 



6 



14 



15 



