Index 
670 
Scepsis fulvicollis, 411 
Sciara, 325 
Schistocerca americana, 
*139, 141; emarginata, 
*140 
Schizura, 395 
Sclerite, *5 
Scolytidae, S c o 1 y t u s 
(gkoXvkteiv, scolypten, 
to strip [bark]), 294, 297 
Scorpion-flies, 55, 223, 236 
Screw-worm fly, 344 
Scudderia furcata, *152; 
pistillata, *152 
Scutelleridae, Scutellera 
(scutum, a small shield), 
195, 207 
Scutellum ( dorsal trian¬ 
gular piece at the base 
of and between elytra or 
fore wings ) 
Scydmaenidae, Scydmaenus 
(auvS/nacvog, scydmcenus, 
angry-looking, sad-col¬ 
ored), 265 
Seed-gall, jumping, 472 
Segment, 5 
Self-pollination, 564 
Senilia camelis, *169 
Sense of hearing, 29; of 
sight, 30; of smell, 27; 
of taste, 26; organs, 24; 
tactile, 26 
Senses, special, 24 
Sepedon fascipennis, *350 
Sericostomatidae, Sericos- 
toma (aijpucdg, sericus, 
silken; ard/ua, stoma, 
mouth), 244, 245 
Sermyle, 133 
Serosa, 38 
Serphus dilatus, 200; sp., 
*200 
Serrate, *250 
Serricornia (serra, a saw; 
cornu, horn), 251, 265; 
key to families of, 265 
Sesia pictipes, *392; 
tipuliformis, 390 
Sesiidae, Sesia (afc, ses, a 
moth), 368, 388 
Setting-board with butter¬ 
flies properly spread, 
*638; cross-section of, 
showing construction, 
*638; how to make, 638 
Seventeen-year Cicada, 
166, 167 
Shad-flies, 65 
Sheep-louse, *219 
Sheep-tick, 351, *352 
Shield-backed bugs, 195, 
214; grasshopper, *155 
Shore-bug, 195, *202 
Short - beaked mosquito, 
*309; pupa and larva of, 
*309 
Short-winged cricket, *158 
Short-winged locust, *140, 
*141, 142 
Sialidae, Sialis (ataXig, si- 
alis a kind of bird), 
key to genera of, 224; 
key to larvae of, 224 
Sialis, 224; infumata, ma¬ 
ture stages of, *225 
Sibine stimulea, 384 
Sight, sense of, 30 
Silkworm dissected, *430; 
mulberry, *428, *429 
Silkworm-moths, 369 
S il p h a americana, 261; 
lapponica, 261; novebo- 
racensis, *261, 262 
Silphidae, Silpha (or 
silphe, a beetle),258, 261 
Silvanus surinamensis, 
stages of, *262 
Silver-spots, 456 
Silver-spotted skipper, 442 
Silvius pollinosus, 329 
Simple eta sp., venation of 
wings of, *321 
Simuliidae, Simulium 
(simulare, imitate), 304, 
313 . 
Simulium sp., *312; head 
of larva of, showing de¬ 
veloping mouth - parts, 
*314; larva and pupae of, 
*312; mouth-parts of, 
*313 ; mouth - parts of 
larva of, *313; venation 
of wing of, *312 
Sinoxylon basilare, 272 
Siphonaptera (olQov, si¬ 
phon, tube; airrepoQ, ap- 
terus, wingless), 56, 353 ; 
key to families of, 355 
Siricicoidea (see Siri- 
cidae), 464 
Siricidae, Sirex (ceipi/v, si¬ 
ren, a siren, wasp), 463, 
466 
Sisyra umbrata, stages of, 
*229 
Sitaris humeralis, life-his¬ 
tory of, 291 
Sitrodrepa panicea, 271 
Sium cicutcefolium, visited 
by insects, 571 
Skipper-butterflies, 442 
Slave ants, 547 
Slave-maker ants, 547; 
shining, 547 
Slaves, 547 
Slug, pear-tree, 466; rose, 
466 
Smell, sense of, 27 
Smelling-pits on antenna 
of carrion-beetle, *27 
Smerinthus geminatus, 
*435, 437; larva of, *436 
Smoky-moths, 369, 386 
Smynthuridae, Sminthurus 
(oy uv&og, sminthus, 
mouse; ovpa, ura, tail), 
63 
Smynthurus aquaticus, 
*58; hortensis, 63 
Snake-doctor, 76 
Snake-feeder, 76 
Snap-dragon, specialization 
of, for insect pollination, 
572; visited by honey¬ 
bees, *563 
Snapping apparatus of 
click-beetle, *267 
Snipe-flies, 327, 330, 332 
Snout-beetles, 294 
Snow-flea, *64 
Snow-white Eugonia, 398 
Snowy tree-cricket, *159, 
160 
Social wasp, Hymenoptera 
parasites of, *480 
Soldier-beetle, 269 
Soldier-bug, banded, 204 
Soldier-flies, 327, 329 
Solenopsis molesta, 544 
Solidago canadensis, vis¬ 
ited by insects, 571 
Song of snowy tree- 
cricket, 160 
Sooty-wings, 442 
Sound-making by Orthop- 
tera, 123, 134, 150, *151, 
152, 155, *157, 159 ; file 
of cricket, *157; organ 
of the Cicadidae, *167 
Southern grain -plant- 
louse, *172 
Span-worms, 395 
Species, 56 
