1026 



AN INTRODUCTION TO ENTOMOLOGY 



Hop-plant borer, 691 



Hop vine deltoid, 685 



Hormaphidinag, 424 



Hormaphis hamamelidis, 425 



Hornets, 958 



Hornet, giant, 960, white-faced, 960 



Horn-fly, 873 



Horn-tails, 891, 896 



Horse-flies, 829 



Horse-guard, 971 



Horseshoe-crabs, 8 



House-fly, 872; larva of the, 202 



Howard, L. O., 807, 872, 930, 948 



Huber, P., 938, 947 



Hiibner, J., 620 



Hiibner's Tentamen, 581 



Human flea, 882 



Humeral, angle, 60; callus, 783; cross- 

 vein, 71; suture, 274; veins, 74 



Humo-backed Flies, 847 



Hungerford, H. B., 361. 364, 365 



Hutchison, R. H., 873 



Huxley, T. H., 40 



Hvblcea puera, 655 



Hyblaeidae, 583, 586, 655 



Hybrid purple, 758 



Hydrometra, 373; H. australis, 373; H. 

 ■martini, 373; H. ivileyi, 373 



Hydrometridae, 356, 357, 373 



HydrophiUdje, 471, 473, 485 



Hydrophilus, 486, egg sac of, 170; em- 

 bryo of, 75; maxilla of, 44; H. 

 obtusatus, 486 



Hydropsyche, 562 ; net of, 562 



Hydropsychidae, 560, 562 



Hydroptilidae, 559, 560, 561 



Hydrous, 485; H. triangularis, 485 



Hylaeidae, 890 



Hylaus, 890 



Hylastinus obscurus, 542 



Hylemyia antiqua, 864; H. brassicae, 

 863 ; H. rubivora, 864 



Hymenoptera, 213, 214, 216, 217, 884 



Hymenopterous wing, typical, 885 



Hypatus bachmanni, 766, 767 



Hypeninae, 685 



Hypena huniuli, 685 



Hyperaeschra stragula, wings of, 674 



Hypermallus villosus, 528 



Hypermetamorphosis, 191 



Hyphantria cunea, 702 ; H. textor, 702 



Hypocera incrassata, 848 



Hypoderma bovis, 867; H. lineatum, 

 867, 868 



Hypodcrmal structures, 95; glands, 98 



Hypodermis, 29 



Hyponomeutidse, 631 



Hypopharynx, 47, 400 



Hypopleura, 783 



Hypoprepia fucosa, 705; i7. miniata,704 



Hypoptinae, 603 



Hypopygium, 75 

 Hyporhagus, 514 

 Hypothetical tracheation of a wing of 



the primitive nymph, 63 

 Hypothetical type of the primitive 



wing- venation, 62 

 Hypsopygia cos talis, 649 

 Hyptia, 933 

 Hyslop, J. A., 501 



Ibaliinae, 922 



Icerya, 449; /. purchasi, 449, 512 

 Ichneumon-flies, 915, 917 

 Ichneumonidae, 890, 906, 913, 915, 



917 

 Idiogastra, 890, 891, 903 

 mice unifasciata, 705 

 Imaginal disc, 195, 205 

 Imago, 191 



Imperforate intestines, 108 

 Imperial-moth, 717 

 Incisalia niphon, 770, 753 

 Incisurae, 447 



Incomplete matamorphosis, 178 

 Incurvariidae, 582, 589, 590, 598 

 Incurvariinae, 598 

 Indian-meal moth, 651 

 Inner margin of wing, 60 

 Inocellia, 289 

 Inquilines, 924 

 Insects, 26 

 Instars, 172 

 Integricioita, 880, 881 

 Intercalary veins, 69 

 Interfrontalia, 780 

 Intermediate organ, 152 

 Internal anatomy, 94 

 Internal organs, the transformations of 



the, 204 

 Internal skeleton, 95 ; sources of the, 95 

 Intersegmental plates, 40 

 Intima, 109, 117 



Invaginations of the body-wall, 95 

 lo-moth, 722 

 Iphiclides marcellus, 743 

 Iridomyrmex humilis, 945 

 Isabella tiger-moth, 702 

 Ischnocera, 337 

 Ischnopsyllidae, 881 

 I schnopsyllus , 878 

 Isia isabella, 702 

 Isley, D., 953 

 Isogenus sp., wings of, 329 

 Isometopidae, 356, 359, 374 

 Isometopus pnlchellus, 375 

 Isoptera, 212, 214, 216, 218, 273 

 Isosoma, 930 

 Ithobalus, 741 



Ithycerus noveboracensis, 537 

 Ilhytrichia confusa, 562 

 ItonididcB, 813 



