36 



DECIDUOUS FRUIT INSECTS AND INSECTICIDES. 



Table XXV. — Comparison of number of worms entering pears at calyx, and at side 

 and stem. Plat IV, sprayed May 2 and July 4, being second and third applications 

 as given Plat I, Walnut Creek, Cal., 1910. 





Worms in windfallen 

 fruit. 



Worms in fruit from 

 . trees. 



Total number of — 



Percentage of— 



Tree No. 



Num- 

 ber of 

 worms. 



En- 

 tered 



at 

 calyx. 



En- 

 tered 

 at side 



and 

 stem. 



Num- 

 ber of 

 worms. 



En- 

 tered 



at 

 calyx. 



En- 

 tered 

 at side 



and 

 stem. 



"Worms. 



Worms 

 entered 



at 

 calyx. 



Worms 



entered 



at side 



and 



stem. 



Worms 

 entered 



at 

 calyx. 



Worms 

 entered 

 at side 

 and 

 stem. 



1 



9 



21 

 39 



49 

 35 

 15 

 24 

 26 

 14 

 11 

 13 



10 



32 



39 



26 



10 



20 



17 



8 



9 



6 



11 

 7 



10 

 9 

 5 

 4 

 9 

 6 

 2 

 7 



80 

 78 

 87 

 89 

 21 

 88 

 82 

 52 

 66 

 32 



37 

 40 

 31 

 38 

 13 

 37 

 27 

 26 

 32 

 18 



43 

 38 

 56 

 51 

 8 

 51 

 55 

 26 

 34 

 14 



101 



117 



136 



124 



36 



112 



108 



66 



77 



45 



47 

 72 

 70 

 64 

 23 

 57 

 44 

 34 

 41 

 24 



54 

 45 

 66 

 60 

 13 

 55 

 64 

 32 

 36 

 21 



46.54 

 61.54 

 51.47 

 51.61 

 63.89 

 50.89 

 40.74 

 51.52 

 53.25 

 53.33 



53.46 

 38.46 



3 



48.53 



4 



5 



6 



7 



48.39 

 36.11 

 49.11 

 59.26 



8 



48.48 



9 



10 



46.75 

 46.67 







Total , 

 trees 1- 

 10 



247 



177 



70 



675 



299 



376 



922 



476 



446 



51.63 



48.37 



Table XXVI. — Comparison of number of worms entering pears at calyx, and at side 

 and stem. Plat V, sprayed July 4, being third application as given Plat I, Walnut 

 Creel:, Cal, 1910. 





Worms in windfallen 



fruit. 



Worms in fruit from 

 trees. 



Total number of — 



Percentage of— 



Tree No. 



Num- 

 ber of 

 worms. 



En- 

 tered 



at 

 calyx. 



En- 

 tered 

 at side 



and 



stem. 



Num- 

 ber of 

 worms. 



En- 

 tered 



at 

 calyx. 



En- 

 tered 

 at side 



and 

 stem. 



Worms. 



Worms 

 entered 



at 

 calyx. 



Worms 



entered 



at side 



and 



stem. 



Worms 

 entered 



at 

 calyx. 



Worms 



entered 



at side 



and 



stem. 



1 



2 



78 



132 



80 



84 



116 



108 



218 



82 



83 



41 



74 



120 



74 



76 



104 



96 



197 



75 



74 



37 



4 



12 



6 



8 



12 



12 



21 



7 



9 



4 



89 



112 



59 



56 



116 



94 



198 



83 



89 



58 



68 

 83 

 44 

 48 



102 

 84 



162 

 73 

 71 

 41 



21 

 29 

 15 

 8 

 14 

 10 

 36 

 10 

 18 

 17 



167 

 244 

 139 

 140 

 232 

 202 

 416 

 165 

 172 

 99 



142 



203 

 118 

 124 

 206 

 180 

 359 

 148 

 145 

 78 



25 

 41 

 21 

 16 

 26 

 22 

 57 

 17 

 27 

 21 



85.03 

 83.20 

 84.89 

 88.57 

 88.79 

 89.11 

 86.30 

 89.69 

 84.30 

 78.79 



14.97 

 16.80 



3 



15.11 



4 



5 



11.43 

 11.21 



6 



10.89 





13.70 



8 



10.31 



9 



10 



15.70 

 21.21 











Total , 

 trees 1- 

 10 



1,022 



927 



95 



954 



776 



178 



1,976 



1,703 



273 



86.18 



13.82 



Table XXVII. — Comparison of number of worms entering pears at calyx, and at side 

 and stem. Plat VI, unspr ay ed check, Walnut Creek, Cal., 1910. 





Worms in windfallen 

 fruit. 



Worms in fruit from 



trees. 



Total numbe 



rof— 



Percentage of— 



Tree No. 



Num- 

 ber of 

 worms. 



En- 

 tered 



at 

 calyx. 



En- 

 tered 

 at side 



and 

 stem. 



Num- 

 ber of 

 \\ orms. 



En- 

 tered 



at 

 calyx. 



En- 

 tered 

 at side 



and 

 stem. 



Worms. 



Worms 

 entered 



at 

 calyx. 



Worms 

 entered 



at side 

 and 



stem. 



Worms 

 entered 



at 

 calyx. 



Worms 

 entered 

 at side 

 and 

 stem. 



1 



192 

 119 

 181 

 139 



95 

 119 



58 

 105 

 119 

 118 



181 



106 



165 



123 



86 



106 



54 



89 



104 



105 



11 

 13 

 16 

 16 



9 

 13 



4 

 16 

 15 

 13 



153 

 91 



134 



119 

 84 

 52 

 95 

 97 



134 

 75 



146 

 77 



131 



112 

 78 

 47 

 79 

 91 



130 

 70 



7 

 14 

 3 

 7 

 6 

 5 

 16 

 6 

 4 

 5 



345 



210 

 315 

 258 

 179 

 171 

 153 

 202 

 253 

 193 



327 

 183 

 296 

 235 

 164 

 153 

 133 

 180 

 234 

 175 



18 

 27 

 19 

 23 

 15 

 18 

 20 

 22 

 19 

 18 



94.78 

 87.14 

 93.97 

 91.08 

 91.60 

 89.48 

 86.93 

 89.10 

 92.50 

 90.67 



5.22 



2 



12.86 



3 



6.03 



4 



8.92 



5 



8.40 



6 



10.52 



7 



13.07 



8 



10.90 



9 



7.50 



10 



9.33 







Total, 

 trees 1- 

 10 



1,245 



1,119 



126 



1,034 



961 



73 



2,279 



2,080 



199 



91.27 



8.73 



