28 



DECIDUOUS FRUIT INSECTS AND INSECTICIDES. 



Table X. — Band records from 21 Bartlett pear trees, Walnut Creek, Cal.. 1909. 



Date of 

 collection. 



Number 



of larvae 



and pupae 



collected. 



Date of 

 collection. 



Number 



of larvae 



and pupae 



collected. 



Date of 

 collection. 



Number 



of larvae 



and pupae 



collected. 



Date of 

 collection. 



Number 



of larvae 



and pupae 



collected. 



June 5 



12 



19 



26 



Julv 3 



10 



24 

 71 

 45 

 85 

 49 

 36 



July 17 



24 



31 



Aug. 7 



14 



21 



22 

 31 

 15 

 50 

 55 

 42 



Aug. 23 



Sept. 5 



12 



19 



26 



Oct. 2 



13 

 26 

 11 

 11 

 3 

 3 



Oct. 9 



Total.. 







592 



170 

 /60 

 /SO 

 140 

 130 

 120 

 I/O 

 fOO 



eo 

 eo 



70 



eo 

 so 



40 



30 



20 



JO 



o 



































































































































































































































































































































































































































































































































































r- 



































r 





















/€ 233 

 UU/S/E" 



7 /4 2/ 2& - 



<? // /a 2s . 



AUG. 



' <9 /S 2 



? 2 



'9 



Fig. 9. — Weekly emergence of codling moths from material collected from 

 banded apple and pear trees at Walnut Creek, Cal., 1909. (Original.) 



Table XI. — Band records from 10 apple trees, Walnut Creek, Cal., 1909. 



Date of 

 collection. 



Number 



of larvae 



and pupa? 



collected. 



Date of 

 collection. - 



Number 



of larvae 



and pupae 



collected. 



Date of 

 collection. 



Number 



of larvae 



and pupa? 



collected. 



Date of 

 collection. 



Number 



of larvae 



and pupae 



collected. 



12 



19 



26 



July 3 



10 



32 



98 



164 



223 



79 



- 63 



July 17 



24 



31 



Aug. 7 



14 



21 



99 

 25 

 56 

 95 

 128 

 125 



Aug. 28 



Sept. 5 



12 



19 



26...... 



Oct.. 3 



60 



65 



43 



2 



3 



6 



Oct. 10 



Total.. 



5 



1,371 



All larvse and pupae collected in making the two band records in 

 1909 were put together each week and kept in jars for the emergence 

 of adults. The maximum emergence came July 8 to 14. The 

 records are given in Table XII. (See also fig. 9.) 



