GRAPE-BERRY MOTH IN NORTHERN OHIO. 



29 



Table XXXIII. — Number of transforming and overwintering individuals of the first 

 brood of the grape-berry moth, Sandusky, Ohio, 1918. 





Date 



larvae 



left 



fruit. 



Number of— 



Number of larvae. 



Moths 

 emerged. 



Pupa? 

 hiber- 

 nating. 



Larvae 

 parasi- 

 tized. 



Dead. 



1 



June 30 

 July 7 

 July 9 

 July 10 

 July 11 

 July 12 

 July 13 

 July 14 

 July 15 

 July 16 

 July 17 

 July 18 

 July 19 

 July 20 

 July 21 

 July 22 

 July 23 

 July 24 

 July 25 

 July 26 

 July 27 

 July 28 

 July 29 

 July 30 

 July 31 

 Aug. 1 

 Aug. 2 

 Aug. 3 

 Aug. 4 

 Aug. 5 

 Aug. 6 

 Aug. 7 

 Aug. 8 

 Aug. 9 

 Aug. 10 

 Aug. 11 

 Aug. 12 

 Aug. 13 

 Aug. 14 

 Aug. 15 

 Aug. 16 

 Aug. 17 

 Aug. 18 

 Aug. 19 

 Aug. 20 

 Aug. 21 

 Aug. 22 

 Aug. 23 

 Aug. 24 

 Aug. 25 









1 



1 



1 



5 



3 



3 



5 



6 



5 



7 



7 



11 



23 



13 



17 



19 



31 



29 



6 



9 



19 



13 



15 



7 



2 



11 



5 



15 



7 



16 

 1 

 19 

 32 

 45 

 40 

 18 

 7 



18 

 8 

 4 

 6 

 2 

 6 

 2 

 1 

 1 

 1 

 1 

 1 









5 









4 







1 



4 







1 



5 









10 





1 

 1 

 3 

 • 1 

 3 

 1 



3 



7 





1 



11 





1 



8 







23 





9 



25 





1 



18 





5 



26 







9 



29 







10 



44 





1 

 1 



12 



41 





11 



34 





28 



21 







12 



22 







3 



19 





1 



5 



20 





5 



12 







5 



4 







2 



14 







3 



11 







6 



24 



1 





8 



9 





2 



28 







12 



37 



1 





35 



52 





33 



55 



1 



2 

 2 

 1 

 1 

 3 

 1 

 4 

 1 





22 



67 





20 



48 





6 



27 





8 



12 





4 



29 





8 



13 





4 



11 





3 



8 





1 



3 





1 



6 









5 



3 







1 







3 



2 

 3 

 5 

 7 

 6 

 9 







5 





1 



7 





1 



10 





2 



6 







9 

















Total, 894 



523 



53 



13 











Table XXXIV. — Summary of Table XXXIII, shoiving number and percentage of first 

 brood individuals of the grape-berry moth that transform. 



Observations on — 



Number. 



Per cent. 



Number of larvae 



Number of moths emerged. . . 

 Number of hibernating pupae 

 Number of parasitized larvae. 

 Number of dead individuals. 



894 



100.0 



523 



58.5 



53 



5.9 



13 



1.4 



305 



34.1 



Table XXXIV summarizes the data in Table XXXIII and shows 

 that but 5.9 per -cent of all the recorded larvae hibernated, that 58.5 

 per cent emerged as moths the same season, that 1.4 per cent of the 

 larvse were parasitized when collected, and that 34.1 per cent of all died. 



SECOND BROOD. 



TIME OF COCOONING OF SECOND-BROOD LARVE. 

 Table XXXV presents the cocooning data in detail. 



