34 



DECIDUOUS FKUIT INSECTS AND INSECTICIDES. 



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

 stem. Plat I, sprayed three times, Concord, Cal., 1909. 





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 



23 



5 



8 



14 



4 



19 



11 



8 



19 



15 



8 

 2 

 5 

 6 

 1 

 7 

 3 

 2 

 6 

 5 



15 

 3 

 3 



8 



3 



12 



8 



6 



13 



10 



39 

 .34 

 24 

 43 

 20 

 21 

 22 

 17 

 19 

 14 



15 



8 

 7 

 6 

 6 

 9 

 8 

 11 

 6 

 3 



24 

 26 

 17 

 37 

 14 

 12 

 14 

 6 



13 

 11 



62 

 39 

 32 

 57 

 24 

 40 

 33 

 25 

 38 

 29 



23 



10 

 12 

 12 



7 

 16 

 11 

 13 

 12 



8 



39 

 29 

 20 

 45 

 17 

 24 

 22 

 12 

 26 

 21 



37.10 

 25.64 

 37.50 

 21.05 

 29.16 

 40.00 

 33.33 

 52.00 

 31.57 

 27.58 



62.90 



2 



74.36 



3 



62.50 



4 



78.95 



5 



70.84 



6 



60.00 



7 



66.67 



8 



48.00 



9 



68.43 



10 



72.42 







Total, trees 

 1-10 



126 



45 



81 



253 



79 



174 



379 



124 



255 



32.72 



67.28 



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

 stem. Plat II, unsprayed, Concord, Cal., 1909. 





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. 



W'orms 

 entered 



at 

 calyx. 



Worms 



entered 



at side 



and 



stem. 



Worms 

 entered 



at 

 calyx. 



Worms 

 entered 



at side 

 and 



stem. 



1 



311 



327 

 248 

 213 

 262 

 230 

 201 

 242 

 242 

 295 



231 



244 

 200 

 172 

 200 

 180 

 172 

 194 

 163 

 236 



80 

 83 

 48 

 41 

 62 

 50 

 29 

 48 

 79 

 59 



833 

 551 

 425 

 350 

 459 

 560 

 596 

 395 

 460 

 408 



635 

 418 

 318 

 238 

 335 

 402 

 444 

 258 

 292 

 287 



198 

 133 

 107 

 112 

 124 

 158 

 152 

 137 

 168 

 121 



1,144 



878 

 673 

 563 

 721 

 790 

 797 

 637 

 702 

 703 



866 

 662 

 518 

 410 



278 

 216 

 155 

 153 



75.69 

 75.40 

 76.96 

 72.82 

 74.20 

 73.67 

 77.29 

 70.95 

 64.81 

 74.39 



24.31 



2 



24.61 



3 



23.00 



4 



27.14 



5 



535 186 



25.88 



6 



582 

 610 

 452 

 455 

 523 



208 

 181 

 185 

 247 

 180 



26.30 



7 



22.73 



8 



29.01 



9 



35.15 



10 



25.69 







Total, trees 

 1-10 



2,571 



1,992 



579 



5,037 



3,627 



1.410 



7,608 



5,619 



1,989 



73.86 



26.14 



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

 stem. Plat III, sprayed twice, Concord, Cal., 1909. • 





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 



43 

 62 

 21 

 50 

 62 

 54 

 22 

 35 

 37 

 31 



19 

 36 

 11 

 29 

 36 

 27 

 11 

 23 

 21 

 19 



24 



26 



10, 



21 



26 



27 



11 



12 



16 



12 



140 

 175 



95 

 145 

 209 

 130 



95 

 111 

 105 

 109 



92 

 103 

 49 

 96 

 152 

 93 

 77 

 71 

 72 

 72 



48 

 72 

 46 

 49 

 57 

 37 

 18 

 40 

 33 

 37 



183 

 237 

 116 

 195 

 271 

 184 

 117 

 146 

 142 

 140 



Ill 



139 



60 



125 



188 



120 



88 



94 



93 



91 



72 

 98 

 56 

 70 

 83 

 64 

 29 

 52 

 49 

 49 



60.66 

 58.65 

 51.72 

 64.10 

 69.37 

 65.21 

 75.21 

 64.38 

 65.42 

 65.00 



39.34 



2 



41.35 



3 



48.28 



4 



35.90 



5 



30.63 



6 



34.79 



7 



24.79 



8 



35.62 



9 



34.58 



10 



35.00 







Total, 

 trees 1- 

 10 



417 



232 



185 



1,314 



877 



437 



1,731 



1,109 



622 



63.97 



36.03 



