ixdex. 249 
Page. 
Plum curculio, natural enemies 139-154 
occurrence of beetles in orchards 120-125 
parasitic enemies 140-152 
percentage of fruit punctured or infested 134-139 
predaceous insect enemies 152-154 
pupa, description 32 
length of stage and time spent in soil, before and after 
pupation 83-87 
time spent in soil 7 
pupae, cultivation for destruction 176-178 
pupal cell, depth 87-88 
remedial measures 155-218 
historical 155-167 
remedies, cultivation for destruction of pupae 176-178 
jarring 1 68-176 
feeding experiments with poisons 185-189 
premiums therefor 167-168 
Ransom chip process 168 
spraying with arsenicals 178-185 
seasonal history 112-134 
spraying scheme for apple orchards 201 
of apple at Anderson, Mo 193-194 
St. Joseph, Mo 198-199 
Siloam Springs, Ark 196 
conclusions 200-201 
early experiments 189-193 
experiments by Bureau of Entomology 193-200 
in Virginia 197-198 
western New York and northwestern 
Pennsylvania 195 
peaches with arsenicals. . .» 202-215 
plums and cherries 215-218 
synonymy 13-14 
time for transformation from e^ to adult 110-112 
oi appearance of beetles in spring 112-120 
spent in fruit, egg and larval stages combined 65-73 
transformations in ground, effect of soil conditions thereon 8S-92 
food plant of plum curculio * 33 
gouger. See Anthonomus Scutellaria.) 
moth, so-called. (See Enormonia prunivo 
order of preference in oviposition by plum curculio 
weevil, common name for plum curculio 14 
Plums, cultivated, variation in susceptibility to plum curculio 34-36 
I' - - also Arsenicals, etc 
ainst plum curculio, feeding experiments 185,188 
Porrjni conotracheli. (See Thertilochu* conotrocheli.) 
Potato-stalk weevil. (See Trichobaris trinotata.) 
Premiums for remedies for plum curculio ]< 
Prunus americana, food plant of plum curculio 
angtutifolia, food plant of plum curculio 
do in, xtan. food plant of plum curculio 36 
hortulana, food plant of plum curculio 36 
simonii, apparently not injured by plum curculio 35 
