INDEX 



Figures in bold-faced type refer to pages bearing illustrations. 



Aaron, S. F., 935 



Abediis, 367 



A calks, 88 



Acalyptratffi, 786, 853 



Acanthadisis , 304 



Acanthocephala femorata, 390 



Acanthomyops, 890 



Acanthostichus, 942 



Accessory cells, 574 



Accessory circulatory organs, 122 



Accessory glands, 162 



Accessory veins, 68 



Acerentomid^, 26 



Acerentomon doderoi, 25 



Acetabula, 52 



Achorutes armatus, 228; A. nivicola, 



228; A. maritima, 229; A. socialis, 



228 

 Acidalia enucleata, wings of, 667 

 Acidaliinae, 663, 666 

 Acilius, 483 

 Ackerman, A. J., 981 

 Acoloithus falsarius, wings of, 604 

 Acone eyes, 141 

 Acorn-moth, 628 

 Acrida turrita, 134 

 Acrididaj, 252 

 Acroceridse, 786, 789, 837 

 Acrolophidae, 581, 589, 611 

 Acrolophus, 611; A. arcanellus, 611; 



A. mortipennellus, 611; A. popean- 



ellus, 611 

 Acronycta, 689 

 Acroschismus bruesi, 547 

 Acrydiinse, 253, 259 

 Acrydium arenosum obscurum, 260; A. 



granulatum, 260 

 Aculese, 573 

 Abdomen, 75; appendages of the, 76; 



segments of the, 75 

 Adalia bipunctata, 512 

 Adaptive ocelli, 135, 136 

 Adela, 598 

 Adelges, 429; A. abietis, 432; A. abietis, 



gall of, 432; A. green-winged, 432; 



A. pine-bark, 432; A. pine-leaf, 431; 



A . pinicorticis, 432 ; A . pinifolix, 43 1 , 



gall of, 432; A. wings of, 414, 428 

 Adelginas, 429 

 Adelinse, 598 

 Adelocephala bicolor, 717 

 Adelung, N. von., 150 

 Adephaga, 468, 469, 476 

 Adipose tissue, 123 



Adirondack black-fly, 824 



Adoneta spintdoides, wings of, 608 



Adventitious veins, 70 



Aedes, 806, 809; A. sgypti, 809; A. 



calopus, 809 

 Mgevndad, 582, 584 

 jEolothrips fasciatus, 344; A. nasturtii, 



342 

 ^olothripidae, 344 

 jEohis dorsalis, 500 

 Mschna cyanea, hind-intestine and part 



of tracheal system of naiad of, 319 

 .iS^schnidae, 320 



Agamic forms of aphids, 415, 416 

 Agaoninae, 931 

 Agaristidas, 583, 587, 697 

 Agdistis adactyla, 653 

 Aglais milberti, 755 

 Agriliis ruficoUis, 503 

 Agrion, 324 

 Agrionidae, 324 

 Agrionidis, true, 324 

 Agromyzidas, 786, 792, 861 

 Agrothereutes exlrematis, 918 

 Agrotinx, 695 

 A gratis c-nigrum, 696 

 Ailanthus web worm, 632 

 Ailanthus-worm, 727 

 Air-sacs, 118 

 Akers, Elizabeth, 78 

 Alabama argillacea, 686, 687 

 Alar frenum, 783 

 Alaus oculatus, 501 

 Alcidamea producta, 983 

 Alder blight, 421 

 Alder-fiies, 285 



Aldrich, J. M., 830, 844, 860, 864, 870 

 Aleiirochiton forbesii, 437, 440 

 Aleyrodes, 439 

 Aleyrodidce, 177, 400, 437 

 Aleyrodid, an, 437 

 Aleiirodothrips fasciapennis, 346 

 Alimentary canal, 107 

 Alitrunk, 49 

 AllecuUdse, 474, 512 

 Alsophila pometaria, 664, 665 

 Alternation of generations, 923 

 Alveolus, 32 

 Alula or alulet, 776 

 Alypia langlonii, 698; A. octomaculata, 



697 ; larva, 698 

 Alula, the, 60 

 Alulet, 60 

 Ambient vein, 74 



1011 



