Melanaspis— 
obscura, 108 
tenebricosa, 108 
Melandrya striata, 125 
Melandryidae, 115, 116, 124 
Melanolestes picipes, 65 
Melanolophia canadaria, 338 
Melanophila—— 
acuminata, 169 
aeneola, 169 
drummondi, 169 
fulvoguttata, 168, 169 
notata, 169 
Melanoplus— 
bivittatus, 58 
bruneri, 58 
differentialis, 58 
femurrubrum, 58 
punctulatus, 58 
sanguinipes, 58 
Melissopus latiferreanus, 373 
Melittomma sericeum, 126 
Meloidae, 32, 120 
Melophagus ovinus, 428 
Melsheimer’s sack bearer, 347 
Membracidae, 34, 36, 70 
membracids, 496 
Menoponidae, 40 
Mesitiopterus kahlii, 57, 484 
Mesoleius tenthredinis, 458, 471 
Messa populifoliella, 457 
Metapalma spectabile, 475 
Metcalfa pruinosa, 68 
Meteorus versicolor, 469 
Micracis— 
meridianus, 253 
suturalis, 253 
swainei, 253 
Micracisella— 
nanula, 253 
opacicollis, 253 
Microbregma emarginatum emargi- 
natum, 133 
Microcentum— 
retinerve, 59 
rhombifolium, 59 
Microwesia misella, 123 
Micrutalis calva, 71 
midges—416 
gall, 417 
gouty pitch, 418 
juniper, 418 
red-pine needle, 418 
millipedes, 4 
Mindarus abietinus, 83 
Minthea rugicollis, 23, 131 
Miridae, 65 
Misogada unicolor, 318 
mites—5, 18, 43 
itch, 8 
maple bladder-gall, 7 
pear leaf blister, 7 
pine bud, 8 
southern red, 6 
spider—6 
carmine, 7 
four-spotted, 7 
Schoene, 7 
mites—Continued 
spider—Continued 
spruce, 6 
Mnemonica auricyonia, 414 
Mollusca, Phylum, 2, 10 
Monarthropalpus buxi, 23, 418 
Monarthrum— 
fasciatum, 267 
mali, 267 
Monellia— 
caryella, 84 
costalis, 84 
microsetosa, 84 
Monelliopsis nigropunctata, 84 
Monocesta coryli, 141 
Monochamus— 
carolinensis, 205 
maculosus, 205 
marmorator, 205 
notatus, 205 
scutellatus, 203 
titillator, 203 
Monoctenus melliceps, 439 
Monodontomerus— 
aerus, 323, 476 
dentipes, 451, 476 
indiscretus, 477 
japonicus, 477 
minor, 477 
montivagus, 477 
Monophylla terminata, 155 
Moodna ostrinella, 359 
Mordellidae, 116, 126 
Mordwilkoja 
vagabunda, 85 
mosquitoes, 415 
moths— 
acorn, 396 
American dagger, 308 
apple fruit, 403 
bagworm, 410 
brown-tail, 24, 325, 480, 431, 469, 
472, 476 
buck, 299 
carpenterworm, 386 
casebearer, 404 
cecropla, 298, 477 
cherry scallop shell, 337 
clearwing, 397 
cottonwood dagger, 308 
crinkled flannel, 350 
cynthia, 297 
dark tussock, 320 
definite-marked tussock, 319 
European pine shoot, 12, 21, 24, 
361, 470, 471, 472, 474, 475, 477, 
478 
eye-spotted bud, 367 
flannel, 348 
geometrid, 334 
giant silkworm, 297 
FY DSYs ice Sal Oe ZA Ae Zo mod, 
Go le23.03 205 450 sre oilers GO), 
472, 474, 475, 476, 483 
hag, 347 
hickory tussock, 304 
hornet, 398 
imperial, 303 
