Index 
Triphleps insidiosus, 206 
Tripoxylon albopilosum, 
502; frigidum, 502; ru- 
brocinctum, 502 
Triprocris, 388 
Triungulin, 290 
Trochanter, *247 
Trochilium fraxini, *392 
Tropizaspis sp., *155, 156 
Tropcea luna, 420, *422; 
cocoons of, *423 
Trox, 275 
Trumpet-galls on leaves of 
California white oak, 
*470 
Trypeta longipennis, *349; 
ludens, 350; solidaginis, 
350 
Trypetidse, Trypeta 
( rpvTcavov, trypanum, a 
borer), 350 
Tryxalinse, 136, 142 
Tumble-bugs, 273, 274 
Turkey-gnats, 313 
Turnus butterfly, 449 
Tussock-moth, degenerat¬ 
ing muscle of, *50; de¬ 
veloping mouth-parts of, 
*363; larva of, *405; 
parallel-lined, 405 
Tussock-moths, 370, 404 
Twig-insect, *603 
Two-striped, locust, *138, 
141 
Typhlocyba roses, 170 
Udeopsylla robusta, *154 
Uloma impressa, 289 
Ulula hyalina, *232 
Underground nest of the 
California honey - ant, 
*54 
Underwings, a group of 
red and yellow, *400 
Utetheisa bella, 413 
Valves of dorsal vessel or 
heart, *18 
Vanessa atalanta, 454; 
cardui, 454; caryce, 454; 
kuntera, 454 
Vedalia cardinalis, 186, 
*187, 287 _ 
Veins of wings, 10 
Veliidse, Velia (perhaps 
Velia, a Greek colony in 
Southern Italy), 195, 
198 
Velvet-ants, 497 
Venation, 10; of a cossid, 
*385 ; of dragon-fly wing, 
*89; of a Geometrid, 
*396; of monarch but¬ 
terfly, *11; of social 
wing, *113; of a Pyro- 
morphid, *389; of a 
Tortricid, *380; wing 
o f Anthrax fulviana, 
*333; of wing of bag- 
worm moth, *389; of 
wing of Bibio albipennis, 
*326; of wing of black- 
fly, *312; of wing of 
Chrysophila thoracia, 
*330; of wing of crane- 
fly, *321; of wing of 
dance-fly, *335; of wing 
of Dixa sp., *320; of 
wing of a Dolichopodid, 
*336; of wing of fungus- 
gnat, *325; of wing of 
Hepialus gracilis, *372; 
of wing of horse-fly, 
*328; of wing of Lucilia 
ccesar, *344; of wing of 
Micropteryx sp., *372; 
of wing of monarch 
butterfly, *371; of wing 
of net-winged midge, 
*317; of wing of Odon- 
tomyia, *329; of wing of 
Pyralid moth, *376; of 
wing of robber-fly, *331; 
of wing of Syrphus con- 
tinuax, *339 
Ventral {bellyward) 
Ventral plate, 38 
Vertex, 142 
Vespa, 503, 506; crabro, 
nest of, *504; cuneata, 
506; germanica, 506; 
maculata, 506; sp., *505 
Vespidae, Vespa (vespa, a 
wasp), key to genera of, 
503 
Vespina (see Vespidae), 
463 . 
Vespoidea (see Vespidae), 
464 
Viceroy, 452; butterfly 
mimicking monarch but¬ 
terfly, *610 
Vine-hoppers, *170 
Vine-loving pomace-fly, 349 
Violet-tip butterfly, 454, 
*455 
6 7 3 
Vitelline membrane, 37 
Volucella, 340 
Walking-stick, *131, 132, 
*603 
Walking-sticks, 126; key 
to genera of, 132 
Walnut-moth, regal, 246, 
*427; larva of, *427 
Warble-flies, 338 
Warning colors, 604 
Wasp, development of 
mouth-parts of, *460, 
461; mouth-parts o f , 
*460; mouth-parts of 
larva, *461; mud-dauber, 
nest of, *499 
Wasp-flies, 332, 336 
Wasp-like fly, *336 
Wasps, 56, 490; carpenter, 
nest-tunnels of, *502; 
classification of, 490; 
mason, 498; mimicry of, 
by moths, *608; nest¬ 
building by, 508; potter, 
498; social, 503; social, 
key to genera of, 503; 
solitary, 491; classified 
by habits, 497; habits of, 
492; stinging prey, 495; 
structure of, 491; true, 
463 
Water-beetle, stages in 
development of nervous 
system of, *25 
Water-boatmen, 194, 198, 
*199 
Water-bug, giant, 199, 
*200; western, *200 
Water-creepers, 199 
Water-net, *639 
Water scavenger - beetle, 
259; development of egg 
of, *38; external anat¬ 
omy of, *247 
Water-scorpion, 194, *201; 
eggs of, *201 
Water-skater, ocean, *197 
Water-striders, 195, 196, 
*197; broad-bodied, *197 
Water-tiger, *256 
Wax-making o f honey¬ 
bee, 526 
Wax secreted by aphids, 
175 . 
Webbing clothes-moth, 374 
Web-worm, fall, 412 
West-coast lady, 454 
