INDEX 



623 



Sericteria, 325 

 Seroot-fly, 482 

 S.-rricornia, 189, 213, 255 

 Sesia, 387 ; S. scoliaeformis, 321 

 Sesiidae, 386, 388, 370 (for Syntomidae), 



389 



Setae, 534 f. ; aerostatic, 408 

 Setinu, 410 



Srvriiteen-year Cicada, 569 

 Sex, differences, 92, 95 ; production of, 



32, 67 ; in larva, 325 

 Sexuparous, 586 

 Sharp, on classification of Dytiscidae, 213 n. 

 Sheep, bot-fly, 517 ; -tick, 518 

 Shield, 592 

 Shoulder, -lappets, 312 ; -tufts, 312 ; of 



wing, 319, 316 

 Siayona, 206 

 Siculodidae, 423 

 Siebold, von, on Strepsiptera, 301 



Sir/ara minutissima, 568 



Sight, of Pompilus, 104 



Silk-glands, 325 



Silkworm, 375 ; affected by parasitic fly, 

 507, 508 ; Madagascar-, 405 



Silpha, 221 ; Siljjha atrata, S. laevigata, 

 S. lapponica, 222 ; S. obscura, 222 ; S. 

 opaca, S. tJwracica, 222 



Silphidae, 221 f., 252, 256 



Sima, 168 ; S. leviceps, stridulating organ, 

 169 ; S. rwfmiiyra, 169 



Simnliidae, 477 



Simulium colmnbaczense, 477 



Sinodendron cylindricmn, 194 



Siphon, 563, 581, 589 



Siphonaptera, 522 f. 



Siphonophora, 239 



Siplninculata, 600 



Kitaris, 33 ; S. humeralis, 272 



Sitodrepa, 247 



Skippers, 363 



Slave-making ant, 149, 150, 163 



Sloth, 430 



Slug-worms, 402 



Smallest Insect, 228 



Smerinthini, 380 



Smerinthus populi, 309, 381 



Smith, F., on Mellinus arvensis, 123 



Snails, enemies of, 205, 222, 510 ; parasite 

 of, 495 



Social, bees, 35 ; wasps, 78, 84 



fc'ociales, 20, 53 f. 



Snlmnim dulcamara, beetle on, 232 



Soldiers, 132 



Snldit-r-ant, 150 



liu, 395, 430 

 , nopsisfugax, 137 



Solitary wasps see Fossores and Eunie- 

 nidae 



Song, of Cicada, 572 



Kin-unit!, 232 



Sound-organs, 448 ; of Ayeronia, 354 ; of 



Hecatesia, 371 ; of Cicada, 573, 574 

 see also stridulating organs 

 Sound-production, 155, 156 ; by Aegocera, 

 411 ; by Arctiidae, 410 ; by Sphingidat, 

 382 see also Stridulation 

 Spalacopsiui, 288 

 Spatula, 459 



Spencer, Herbert, on "VVeismaun, 143 

 Spercheus emaryinatus, 218, 219 

 Spermatheca, 320, 321 

 Spermophila, 506 

 Sphaeridiides, 219 

 Sphaeriidae, 227 

 Sphaerites, 223 

 Sphaeritides, 229 

 Sphaerius acaroides, 227 

 Sphaerocarides, 279 

 Sph.ec ia, 387 

 Sphecius speciosiis, 123 

 Sphecodes, 21, 22 ; S. yibbus, 23, 23 ; A 



rttbicundus, 22 ; S. subquadratus, 23 

 Sphegidae, 93, 107 f. 

 Spliegides, 107 f. 



Sphex coendeus, 110 ; S. Jiavijwnnis, 108 ; 

 S. lobatus, 110; S. maxillosus, 108 



Sphindidae. 245 



Sphingidae, 309, 315, 316, 368, 380 f. 



Sphinx ligustri, 380 



Spider parasite, 490 



Spilosoma, 408 



Spinneret, 324, 325, 403, 417 



Spirachtha, 227 



Spiracles, 188, 191 ; of Diptera, 449 f. ; 

 of Hippoboscidae, 519 ; of Lepidoptera, 

 313, 314 ; of Lipara, 451 ; of Xepa, 

 564 ; of Thrips, 528 



Spondyliaspis, 581 



Spondylidae, 288 



Springing plant-lice, 579 



Spuler, on nervures, 317 n. 



Squama, 448 



Squeakers, 209 



Staetherinia, 401 



Stag-beetles, 193 



Stalk, 317, 319 



Staphylinidae, 223, 224 f. 



Staudiuger, Schatz and Eober, on butter- 

 flies, 343 n. 



Stauronotus maroccanus, 489 



Stauropus fayi, 385 



Stel'is minuta, 29 ; S. nasuta, 30, 43 ; & 

 signata, 30 



Stelocyttares, 81 



Stenamma ivestwoodi, 159 



Stenojateryx hirnndinis, 519 



Stephostethus, 240 



Sternorhyncha, 544 



Sterrhopteryx, 394 



Stethopathidae, 496 



Stigmata see Spiracles 



Stigmatomma, ISO 



Stigmus pendtdus, 128 



