INDEX 



abbotti, Lophyrus, 258 

 Abbott's Pine Sawfly, 258 

 Ablerus clisiocampae, 282, 289 

 Acer dasycarpum, 296 

 acericola, Phenacoccus, 298 

 acericola, Pulvinaria, 297 

 acerifolia, Platinus, 314 

 acerni, Synanthedon, 322 

 Acer saccharinum, 298 

 Acer saccharum, 298 

 Adalia bipunctata, 311 

 Agrilus anxius, 326 . . 

 Allan thus, 



See Tree of Heaven 

 albifrons, Symmerista, 253 

 Alder, attacked by : 



Cecropia moth, Samia cecropia, 266 

 Cottony maple scale, Pulvinaria vitis, 296 

 Imperial moth, Basilona imperialis, 266 

 Oak tussock caterpillar, Halisidota mac- 



ulata, 245 

 Poplar and willow borer,Cryptorhynchus 



lapathi, 319 

 Spotted willow leaf beetle, Lina inter- 



rupta, 263 

 White marked tussock moth, Hemero- 



campa leu co stigma, 209 

 Allocota thyridopterigis, 217 

 Alnius glutinosa, 320 

 A. incana, 319 

 A. viridis, 319 

 Alsophila pometaria 222 

 Althea sp., 294 

 Amelancher canadensis, attacked by: 



Willow scurfy scalee, Chionaspis salicis- 



nigrae, 290 



americana, Chionaspis, 290 

 American elm Susceptibility to insect at- 

 tack, 168 



American linden Susceptibility to insect at- 

 tack, 168 



American plane Susceptibility to insect at- 

 tack, 168 

 Amorpha fruticosa, attacked by: 



Locust leaf beetle, Chalepus dorsalis, 233 

 Amagyrus nublipennis, 300 

 Anaphes gracilis, 282, 286 

 Anatis 15-punctata, 311 

 A. ocellata, 299 

 ancylus, Aspidiotus, 283 

 Anisota rubicunda, 252 

 A. senatoria, 249 

 A. virginiensis, 251 

 Ant lions 



See Chrysopa sp. 

 antiopae, Derostenus, 272 

 antiopa, Euvanessa, 271 

 anxius, Agrilus, 326 

 Apateticus xnaculiventris, 221 

 A. placidus, 272 

 A. serieventris, 272 

 Apantales catalpae, 240 

 A. congregatus, 240 

 Aphelinus abnormis, 286 

 A. diaspidis, 284, 286, 295 

 A. fuscipennis, 282, 286, 294 

 A. inytilaspidis, 282, 287, 292 

 Aphididae, 310 

 Aphycus cognatus, 300 

 A. flavus, 298 

 A. hederaceus, 298 

 A. pulvinariae, 297 



Aphycus stomachosus, 300 

 Apple, attacked by: 



Cecropia moth, Samia cecropia 266 



Chalepus nervosa, 236 



Chalepus rubra, 236 



Cottony maple scale, Pulvinaria vitis, 296 



English walnut scale, Aspidiotus juglans- 

 regiae, 284 



Fall cankerworm, Alsophila pometaria, 



Fall web worm, Hyphantria cunea, 215 

 Forest tent- caterpillar, Malacosoma diss- 



tria, 243 

 Maple and oak twig pruner, Elaphidion 



viUosum, 329 

 Maple terrapin scale, Lecanium niero- 



fasciatum, 300 

 Oyster shell bark louse, Lepidosaphes 



ulmi, 286 



Pigeon tremex, Tremex columba 322 

 Putnam scale, Aspidiotus ancylus, 283 

 Red-humped apple worm, Schizura con- 



cinna, 255 

 Spring cankerworm, Paleacrita vernata, 



Variable oak leaf caterpillar, Hetero- 



campa manteo, 248 



Walnut Datana, Datana integerrima, 228 

 Yellow-necked Datana, Datana ministra 



230 



Apricot, attacked by: 



English walnut scale, Aspidiotus juglans- 



regiae. 300 

 White marked tussock moth Hemero- 



campa leucostigma, 209 

 Aralia Japonica, 296 

 Arbor vitae, attacked by: 



Bag or basket worm, Thyridopteryx 



ephemeraeformis, 217 

 Arrhenophogus chionaspidis, 295 

 Arsenate of lead, 215, 218, 221, 226, 229, 

 230, 235, 236, 241, 244, 245, 276, 279, 

 325 

 Arsenate of lead 



Paste, 198, 212 

 Powdered, 198, 212 

 Ash, attacked by: 



Carpenter worm, Prionoxystus robiniae, 



329 

 English walnut scale, Aspidiotus juglans- 



regiae, 284 

 Fall cankerworm, Alsophila pometaria, 



224 

 Forest tent-caterpillar, Malacosoma diss- 



tria, 241 

 Hickory horned- devil, Citheronia regalis, 



264 

 Hickory tussock moth, Halisidota caryae, 



247 



lo moth, Automeris io, 277 

 May or June beetles, Lachnosterna sp.. 



237 

 Oyster shell bark louse, Lepidosaphes 



ulmi, 286 

 Promethia moth, Callosamia promethia, 



269 



Putnam scale, Aspidiotus ancylus, 283 

 Spring cankerworm, Paleacrita vernata, 



224 

 White marked tussock moth, Hemero- 



campa leucostigma, 209 



Note: The figures in heavy black type refer to the principal discussion of the subject. 



(475) 



