INDEX 



Abbot's bag- worm, 201 



Abedus, 100 



Acalyptrate flies, 315 



A carina, 18 



Achorutes nivicola, 47 



Acilius, 139 



Acorn- weevil, 171 



Acrididae, 56 



Acroceridae, 308 



Acrolophidae, 285 



Acronycta, 239 



Abdomen, 34; appendages of the, 



segments of the, 34 

 Adalia bipunctata, 153 

 Adelges abietis, 118 

 Adelgids, 118 

 Adelocephala bicolor, 240 

 Adephaga, 128, 131, 134 

 Adipose tissue, 36 

 Adirondack black-fly, 304 

 Aedes cegypti, 299 

 i^geriidae, 207 

 &olothrips nasturtii, 89 

 Mollis dor salts, 147 

 ^Eschnidae, 78 



Agamic forms of aphids, 115 

 Agaristidas, 241 

 Agelena navia, 11 

 Agelenidae, 11 

 Aglais milberti, 271 

 Agrilus anxius, 149; A. ruficollis, 149 

 Agrionidas, 79 

 Agriotes mancus, 148 

 Agromyzidae, 318 

 Agrotis ypsilon, 235 

 Ailanthus webworm, 207 

 Ailanthus-worm, 255 

 Alabama argillacea, 237 

 Alans ocidatus, 148 

 Alder blight, 116 

 Aleyrodidag, 118 

 Alimentary canal, 35 

 Alitrunk, 332 

 Alleculidae, 175 

 Allocapnia pygmcea, 81 

 Alsophila pometaria, 223 

 Alternation of generations, 350 

 Alula or alulet, 289, 3 1 5 

 Alypia octomacidata, 241 ; larva, 242 

 Alula, the, 289 

 Ambient vein, 290 

 Amblycheila cylindriformis, 136 

 Ambrosia-beetles, 172, 173 

 Ambrysus, 107 

 Ambush-bugs, 104 

 American sawfly, 341 



34; 



385 



Ammophila, 372 



Ampelceca myron, 221 



Amphibolips conjluens, 351 ; A. inanis, 351 



Amphidasis cognataria, 227 



Amphizoidae, 175 



Ampulicidae, 369, 384 



Anabrus, 53 



Ancea, 276; A.andria, 277; A. morrisonii, 

 276; A. portia, 276 



Anal angle, 32 



Anal lobe, 332 



Anarsia lineatella, 205 



Anasa tristis, 106 



Anatomy, external, 27; internal, 34 



Anchor process, 301 



Ancyloxipha numilor, 261 



Andrena, 376 



Andrenidae, 375 



Andricus erinacei, 350; A. calif ornicus, 352 



Androconia, 280 



Angles of wings, 32 



Angle-wings, the, 270 



Angoumois grain-moth, 205 



Angulifera-moth, 254 



Anisandrns pyri, 175 



Anisolabis maritima, 126 



Anisomorpha buprestoides, 58 



Anisopidae, 295 



Anisoptera, 77 



Anisopus, wing of, 289 



Anisota rnbicunda, 249; A. senatoria, 

 248; A. stigma, 249; A . virginiensis, 248 



Annulata, 1 



Anobhdas, 175 



Anopheles, 298, 299 



Anoplura, 92 



Ant, see Ants 



Antecoxal piece, 129 



Antelope-beetle, 160 



Antennae, 3, 30, 128, 288 



Antenna cleaner, 331 



Antennaria, 270 



Anthicidas, 175 



Anthoboscidas, 384 



Anthocoridae, 102 



Anthocharis genutia, 267 



Anthomyidae, 319 



Anthonomus grandis, 170; A. signatus, 170 



Anthophora, 376 



Anthrenus mnseorum, 150; A. scrophnla- 

 Hce, 150; A. verbasci, 150 



Ant-lion, head and mouth-parts of, larva 

 of, 66 



Ant-lions, 70 



Ants, 329, 357; legionary, 360; harvest- 

 ing, 360; fungus-growing, 361; shed- 



