690 



Index 



Scepsis fulvicollis, 411 



Sciara, 325 



Schistocerca americana, 

 *i39, 141 ; emarginata, 

 *I4O 



Schizura, 395 



Sclerite, *5 



Scolytidae, S c o 1 y t u s 

 ( GKo'AvTTTeiv, scolypten, 

 to' strip [bark]), 294,297 



Scorpion-flies, 55, 223, 236 



Screw-worm fly, 344 



Scudderia furcata, *i$2 ; 

 pistillata, *i52 



Scutelleridae, Scutellera 

 (scutum, a small shield), 

 195, 207 



Scutellum (dorsal trian- 

 gular piece at the base 

 of and between elytra or 

 fore wings) 



Scydmsenidse, Scydmaenus 

 ( aKv6/j,aivof, scydmcenus, 

 angry-looking, sad-col- 

 ored), 265 



Seed-gall, jumping, 472 



Segment, 5 



Self-pollination, 564 



Scnilia camelis, *i6g 



Sense of hearing, 29; of 

 sight, 30; of smell, 27; 

 of taste, 26; organs, 24; 

 tactile, 26 



Senses, special, 24 



Scpedon fascipennis, *350 



Sericostomatidae, Sericos- 

 toma (ar/piK6f, sericus, 

 silken ; or6fj,a, s t o m a , 

 mouth), 244, 245 



Sermyle, 133 



Serosa, 38 



Scrphus dilatus, 200; sp., 



*200 



Serrate, *250 



Serricornia (serra, a saw ; 

 cornu, horn), 251, 265; 

 key to families of, 265 



Scsia pictipes, *392 ; 

 tipuliformis, 390 



Sesiidse, Sesia (am, ses, a 

 moth), 368, 388 



Setting-board with butter- 

 flies properly spread, 

 *6s8 ; cross-section of, 

 showing construction, 

 *638 ; how to make, 638 



Seventeen-year Cicada, 

 166, 167 



Shad-flies, 65 

 Sheep-louse, *2I9 

 Sheep-tick, 351, *352 

 Shield-backed bugs, 195, 



214; grasshopper, *I55 

 Shore-bug, 195, *202 

 Short - beaked mosquito, 



*30Q ; pupa and larva of, 



* 3 09 



Short-winged cricket, *is8 

 Short-winged locust, *I40, 



*i4i, 142 

 Sialidse, Sialis (oiaXiq, 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, *42Q 

 Silkworm-moths, 369; 



mating reflexes of, 640 

 Si Ip ha americana, 261; 



lapponica, 261; novebo- 



racensis, *26i, 262 

 Silphidas, Silpha (aik&n, 



silphe, a beetle), 258, 261 

 S ilv an u s surinamensis, 



stages of, *262 

 Silver-spots, 456 

 Silver-spotted skipper, 442 

 Silvius pollinosus, 329 

 Simplecta sp., venation of 



wings of, *32i 

 Simuliidae, S i m u 1 i u m 



(simulare, imitate), 304, 



3U 



Simulium sp., *3i2; head 

 of larva, showing mouth- 

 parts, *3i4; larva and 

 pupae, *3i2; mouth- 

 parts, *3 1 3 ; mouth- 

 parts of larva, *3i3; 

 venation of wing, *3i2 



Sinoxylon basilare, 272 



Siphonaptera (ofyuv, si- 

 phon, tube ; aKTepof, ap- 

 terus, wingless), 56, 353 ; 

 key to families of, 355 



Siricicoidea (see Siri- 

 cidse), 464 



Siricidae, Sirex (creipr/v, si- 

 ren, a siren, wasp), 463, 

 466 



Sisyra umbrata, stages of, 



*229 



Sitaris humeralis, life-his- 

 tory of, 291 



Sitrodrepa panicea, 271 



Slum cicuta folium, 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 



Smynthuridse, Sminthurus 

 (ofiivdoe, sminthus, 

 mouse; ovpd, 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, *I59, 

 160 



Social wasp, Hymenoptera 

 parasites of, *48o 



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, *i5i, 

 152, 155, *iS7, !S9; file 

 of cricket, *I57; organ 

 of the Cicadidae, *i67 



Southern grain -plant- 

 louse, *I72 



Span-worms, 395 



Species, 56 



