625 



Thyatira batis, T. derasa, 386 



Thyniaridae, 392 



Thynnides, 96 



Thyreophoridae, 504 



Thyrididae, 370, 404 



Thyridopteryx ephemerae/ormis, 394 



Thysanoptera, 526 f. 



Tiger-beetles, 201 f. 



Tiger-moths, 409 



Tillus elongatus, 253, 254: 



Tinaegeriidae, 370, 387 



Tinea, 305 ; T. pellionella, 429, 430 ; T. 



vastella, 430 ; T. vivipara, 430 

 Tineidae, 340, 370, 394, 427, 428 

 Tineodidae, 423 

 Tineola biselliella, 430 

 Tingidae, 549 

 Tipida brobdignagia, 475 

 Tipulidae, 471 f.; T. Brevipalpi, 472, 473 ; 



T. Longipalpi, 472, 475 

 Tipulinae, 475 

 Tiresias serra, 241 

 Titanus giganteus, 287 

 Tithorea, 346 

 Tomicides, 295 

 Tuiiiiii/iiiithus sublaevis, 161 

 Tongue, 309 



Tortoise-shell butterflies, 352 

 Tortricidae, 340, 395, 427, 432 

 Tortricina, 395 

 Tn.i:nrrhina, 472 

 Tn.i-ntrypana, 506 

 Trechus, 205 

 Trichiini, 200 

 Trichocera, 473 

 Trichodes alvearius, T. ammios, T. apiarius, 



254 



Trkhophaga tapetzella, 430 

 Trichoptera, 306, 425 

 Trichopterygidae, 227 

 Trictiopteryx fascicularis, 227 

 Tricliroism, 351 

 Trichterwickler, 294 

 Trichura, 389, 390 

 Trictenotomidae, 275 

 Triecphora, 543 

 Trigona, 53, 61 ; T. carbonaria, 63 ; T. 



crassipes, 65 ; T. mosquito, 62 

 Trimera, 23S, 544 

 Trimeria, 89 

 Trineura aterrima, 494 

 Triodites mus, 489 

 Trioza rhamni, 580 

 Tripluiena, 415 

 Triphleps, 530 

 Tritoma bipustulata, 236 

 Triungulin, 262, 268, 270, 271, 272, 299, 



300 



Troehalopoda, 543, 544 

 Trochanter, 307 ; divided, 123 

 TrochHium, 387 

 Trogini, 195 



VOL. VI 



Trogositidae, 232, 235 



Trogosita mauritanica, 232 



Tromoptera, 457 



Troj)hi see Mouth -parts 



Trox, stridulation, 195 



Truffle-beetle, 222 



Trumpeter bumble-bee, 58 



Trypnnaeus, 230 



Trypanidae, 395 



Trypetidae, 504, 506 



Trypoxylonides, 118 



Trypoxylon, 118; T. albitarse, 118; T. 



ftgulus, 119 

 Tse-tse fly, 512, 513 

 Tubulifera, 1 f. 

 Tubulifera (Thrips), 531 

 Tulip-tree, tubes on, 578 

 Turkey-gnats, 477 

 Turnip-flea, 278 

 Tusser, or Tussore, silk, 374 

 Tympanoterpes gigas, 572 

 Typhlatta, 179, 180 

 Typklopone, 178, 179, 180 



Ugimyia sericariae, 507 



Ulidiidae, 504 



Ulopa, 578 



Uncus, 314 



Urania rhipheus, 419 



Uraniidae, 368, 419 



Uric acid pigments, 357 



Urodon, 278 



Uzel, on Thysanoptera, 527 



Vanessa, 352 ; larva, 354 see also 

 Pyrameis and Araschnia 



Vanessula, 356 



Vapourer-moths, 407 



Variation, of Anomma burmeisteri, 179 ; 

 of Bombus, 58 ; of larvae, 336 ; of 

 Sphecodes, 23 ; of male and worker 

 ants, 160 ; of workers and females, 

 162 ; due to parasites, 26 ; of larva 

 and imago, 408 ; generic, 401 ; local, 

 398 ; in nervuration, 414 ; and dimor- 

 phism in Geometrid-larvae, 412 ; of 

 mandibles of Lucanidae, 193 ; iu colour 

 of Psyllidae, 579 ; trichroism of hind 

 wings, 351 ; in size of Breuthidae, 297 ; 

 of time and form in Cicada, 570 ; in 

 wings, 540 ; as to winged or wingless, 

 531 ; change in, 414 ; seasonal, 335 



Vasa deferentia, 321 



Veils, 493 



Veins see nervures 



VeliM currens, 552 



Velleius dilatatus, 227 



Verhoeff, on Agenia, 106 ; on Halictus, 

 25 ; on Siphonophora, 239 ; on Stelis 

 minuta, 29 ; on terminal segments of 

 beetles, 186 



Vermileo degeeri, 481 



9 ? 



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