CODLING MOTH IN NORTHWESTERN PENNSYLVANIA. 



83 



Table XV.— Larvae of the first brood. Comparison of the feeding periods of transforming 

 and wintering larvx. Summary of Tables XIV and XXII. 



Transforming larvae. 



Wintering larvae. 







Days for 







Days for 



Number 



Days per 



total 



Number 



Days per 



total 



of larvae. 



larva. 



number 

 of larvae. 



of larvae. 



larva. 



number 

 of larvae. 



1 



a 14 



14 



1 



«14 



14 





15 

 16 

 17 





1 

 2 

 1 



a 16 

 17 

 19 



16 

 34 

 19 







2 



34 



1 



18 



18 



1 



21 



21 





19 

 20 

 21 



22 





1 

 3 



10 

 9 



23 

 24 

 25 

 26 



23 



74 



250 



234 











6 



132 



3 



23 



69 



10 



27 



270 



3 



24 



72 



23 



28 



644 



5 



25 



125 



20 



29 



580 



3 



26 



78 



15 



30 



450 



7 



27 



189 



17 



31 



527 



5 



28 



140 



10 



32 



320 



5 



29 



145 



16 



33 



528 



3 



30 



90 



13 



34 



442 



4 



31 



124 



8 



35 



280 



2 



32 



64 



7 



36 



252 



2 



33 



66 



4 



37 



148 





34 

 35 

 36 





5 

 2 

 3 



38 

 39 

 40 



190 

 78 

 120 











1 



37 



37 



2 



42 



82 









2 



1 



43 

 46 



86 

 46 















2 

 1 



47 

 48 



94 

 48 















1 

 1 



50 



55 



50 

 55 















53 





1,397 



192 





5,975 







o Probably from infested, apple. 



Table XVI. — Larvx of the first brood. Comparison of the feeding periods of transforming 

 and wintering larvx. Summary of Table XV. 



Observations. 



Days of feeding of— 



Trans- 

 forming 

 larvae. 



Winter- 

 ing 



larvae. 





26.36 



37 



17 



31.10 



55 



17 





Minimum 





m- et 



