66o 
Heterocera (erepog, hete- 
r u s , different; nepac, 
ceras, horn), 364 
Heteromera (erepog , h e - 
terus, different; pipos, 
merus, part), 252; key 
to families of, 288 
Heteroptera ( erepog , he- 
terus, different; rtTepov, 
pterum, wing),- 166, 194; 
key to families of, 194 
Hexapoda, 3 
Hibernia tiliaria, *397; 
larva of, *396 
Hilara, 335 
Hippiscus tigrinus, *143; 
tuberculatus, 144; fe¬ 
male of, *142; young of, 
*142 
Hippobosca equina, 351, 
*352 
Hippoboscidae, Hippobosca 
(i7T7ro, hippo, horse ; 
/ 3 ogk. 6 s, b 0 s c us , feed), 
35i 
Hippodamia convergens, 
*286 
Histoblasts of Dipterous 
larvae, *47 
Histogenesis, 49 
Histolysis, 49 
Hives, observation, for 
studying honey-bee, *531, 
*532 
Hoematobia serrata, 342, 
*343 
Hog-louse, *218 
Holcaspis centricola, 471; 
globulus, 472; in a ni s, 
47i 
Holorusia rubiginosa, 
anatomy of larva of, 
*21; degenerating mus¬ 
cle from pupa of, *50; 
development of wing- 
buds of, *48; salivary 
glands, before and after 
degeneration, of larva 
of, *51; salivary gland 
of, *16; stages of, *322 
Homolomyia canicularis, 
345 f , 
Homoptera ([dpog , homus, 
same; nripov, pterum, 
wing), 165; key to fam¬ 
ilies of, 166 
Honey-ant, 545 
Honey-bee, *521; alimen- 
Index 
tary canal of, *529; 
brood-comb with young 
stages, *46; comb, brood 
cells, *523; building 
comb, *527; developing 
muscle in pupa of, *51; 
development of mouth- 
parts, *460; East Indian, 
comb of, *520; first tar¬ 
sal segment of hind legs 
of, *528; gathering pol¬ 
len and nectar, *522; 
head and mouth-parts 
of, *7; honey-making 
by, 528; larva and adult, 
*45; leg of, *521; life- 
history of, 521; mouth- 
parts of, *459; section 
of body of pupa of, 
showing histolysis and 
histogenesis, *49; sec¬ 
tion of ocellus of, *30; 
stages in development of 
nervous system of, *24; 
sting of, 460, *461; 
swarming of, 525; ven¬ 
tral aspect of abdomen 
of worker, *527; visit¬ 
ing A s c 1 e p i a s, *574; 
wax-making by, 526 
Honey-dew of Aleyrodidae, 
192; of aphids, 175, 180; 
of black scales, 187 
Honey-making by honey¬ 
bee, 528 
Hop-merchants, 454 
Horn, caudal, *432 
Hornet, bald-faced, 506; 
nest, single-comb, *508 
Horn-fly, 342, *343 
Horn-tails, 463, 466 
Horse-fly, 327, *328; cor¬ 
neal facets of compound 
eye of, *31; mouth-parts 
of, *329; venation of 
wing of, *328 
Horse-louse, 218 
Horse-stinger, 76 
Horse-tick, 351, *352 
Host, 479 
House-crickets, 157 
House-flea, *354 
House-fly, *341, 342; foot 
of, *341; larva of, *342; 
mouth-parts of, *8, *301; 
nervous system of, *22; 
pupa in puparium of, 
*342 
Hover-flies, 339 
Human flea, 356 
Humming-bird moth, 431 
Humming-birds, cross-pol¬ 
linating flowers, 573 
Hyaliodes vitripenms, 210 
Hydrobatidae, Hydrobates 
(vdup, hydor, water ; 
Parris, bates, one that 
treads), 195, 196 
Hydrocharis obtusatus,26o 
Hydrophilidae, Hydrophi- 
lus (vdup, hydor, water; 
<t>l^os, philus, loving), 
256, 258 
Hydrophilus, development 
of egg of, *38; external 
anatomy of, *247; inter¬ 
nal anatomy of, *248; 
triangularis, *259; trian¬ 
gularis; egg-case of, 
*259; triangularis, larva 
of, *259 
Hydropsychidae, Hydro¬ 
psyche (vdup, hydor, 
water ; ipvxv, psyche, 
butterfly), 244, 245 
Hydropsyche, 243; sca- 
laris, *242 
Hydroptilidae, Hydroptila 
(vdup, hydor, water; 
nri?iov,ptilum, feathers), 
244 , 245 
Hygrotrechus, 196, *197 
Hylotoma berberidis, de¬ 
velopment of egg of, *39 
Hymenoptera (vpvv, hy¬ 
men, membrane; rrrepov, 
pterum, wing), 56, 459; 
aculeate, 490; key to 
groups of, 463; mouth- 
parts of, 460; parasitic, 
476; sting of, 460 
Hyperites, 113 
Hypermetamorphosis, 200; 
of Epicauta vittata, 290 
Hyperparasitism, 482 
Hyphantria cunea, 412 
Hypoderma bovis, 338; 
lineata, 338 
Hypoprepia fuscosa, 409; 
miniata, 409 
Hydroporus, 255 
Icerya purchasi, attacked 
by Australian lady-bird 
beetle, *187; male and 
female of, *186 
