Index 
March-fly, *326 
Margarodes formicarum, 
190 
Maritime locust, *147 
Marsh-treader, *197, 198 
Marsh-treaders, 194 
Marumba modesta, 437 
Masaridae, M a s a r i s 
(juaaao/xai, masaomce, to 
chew), 498 
Mason-bees, 514 
Mason-wasps, 498 
May-beetles, 275 
May-flies, 53, 65; about 
electric lamp, *66; gills 
of nymph of, 68; life- 
history of, 67 
May-fly, *68; compound 
eye of, *32; nymph of, 
showing tracheal gills, 
*20; section through 
head of male, *69; young- 
nymph of, *67 
Maxillae ( see mouth- 
parts ) 
Meadow-browns, 457 
Meadow grasshopper, 
*T53, *154 
Mealy-winged flies, 166, 
190, *193; respiratory 
system of, *19 
Meat-safe live-cage, *643 
Mecoptera (p-^Kog, mecus, 
length; nrepdv, pterum, 
wing), 223, 235; key to 
genera of, 235 
Media (see venation ) 
Mediterranean flour-moth, 
*377, 379 
Megachile, 514; anthra- 
cina, nest of, *514 
Megachilidae, Megachile 
(p'eyag, megas, great ; 
X^hoQ, chelus, lip), 514 
Megalopyge crispata, 
scales, from wing of, 
*593; opercularis, 383 
Megalopygidae ( p r o b . 
peyag , megas, great; 
nvyrj, pyge, rump), 369, 
383 
Megathyma yuccce, 441 
Megathymidae ( p r o b . 
peyag, megas, great; 
Qvpog, thymus, spirit), 
441 
Megilla maculata, *286; 
vitigera, *286 
Melanactes piceus, 268 
Melanoplus atlanis, 133, 
*137, 141; bivittatus, 
*138, 141; differentials, 
*137,141; femur-rubrum, 
*135, 140; development 
of, *42; nervous system 
of head of, *23; postem- 
bryonic development of, 
*125; spretus, 133, 136 
Melipona, 520 
Melissodes, 515 
Melittia ceto, 391 
Melitcea chalcedon, 457 
Meloe angusticollis, 293 
Meloidae, Meloe (Lin¬ 
naeus,—etym. uncertain), 
288, 289 
Melophagus ovinus, 351, 
*352 
Membracidae, Membracis 
( jue/ufjpaimembrax, a 
kind of cicada), 166, 168 
Membrane of wing ( outer 
half of fore-wing , He- 
teroptera, *196) 
Memythrus polistiformis, 
39i 
Menopon pallidum, *119 
Merisus destructor, *478 
Merope, 236 
Mesochorus agilis, para¬ 
sitizing Xylina sp., *486 
Mesothemis simplicicollis, 
97 
Mesobregma cincta, *147 
Meso-thorax, 7 
Metal-marks, 444 
Metamorphosis, 35; com¬ 
plete, 41 ; complete, of 
blow-fly, *45; complete, 
of honey-bee, *46; com¬ 
plete, of monarch but¬ 
terfly, *44; complete, 
significance of, 51; in¬ 
complete, 41; incom¬ 
plete, of a dragon-fly, 
*83; incomplete, of as¬ 
sassin-bug, *43; incom¬ 
plete, of Melanoplus fe¬ 
mur-rubrum, *125; of 
Hemiptera, 164 
Metapodius f emoratus, 
214 
Meta-thorax, 7 
Meteorus hyphantrice, 
*485; parasitizing Xy¬ 
lina lacticinerea, *487 
663 
Mexican jumping bean- 
moth, 382, *383 
Microcentrum laurifolium, 
*151, 152; retinervis, 152 
Micropterygidae, Microp- 
teryx (pticpog, micrus, 
small; nrepyf, pteryx, 
wing), 368, 370, 371 
Micropteryx sp., venation 
of wing of, *372 
Microdon mutabilis, larva 
of, *340 
Micropyle, 15; of various 
eggs, *37 
Midaidae, Midas (/■ udag, 
midas, a destructive in¬ 
sect in leguminous 
plants), 330 
Midas-flies, 330 
Midge, larva of, *311; 
male, *310; pupa of, 
*3H 
Midges, 304, 310 
Migratory locusts, 133 
Milkweed-bug, 211 
Milkweed-butterfly, ar¬ 
rangement of pharynx, 
oesophagus, etc., in head 
of, *361; cross-section 
of sucking proboscis of, 
*361; part of maxillary 
proboscis of, showing 
arrangement of muscles, 
*361 
Milyas cinctus, 204 
Mimesidae, Mimesa 
(plpjjaig, mimesis, imi¬ 
tation), 502 
Mimicry, 609; of monarch 
butterfly b y viceroy, 
*610; of wasps by moths, 
*608 
Mining-bees, 513 
Mochlonyx culiciformis, 
auditory organ in an¬ 
tenna of, *29 
Mode of pinning beetle, 
*637 
Modest sphinx, 437 
Mole-cricket, long-winged, 
161; northern, 161; Por¬ 
to Rican, *161 
Monarch butterfly, *451; 
complete metamorphosis 
of, *44; development of 
color-pattern in pupal 
wings of, *596; external 
parts of, *6; internal 
