678 
Tenodera— 
angustipennis, 96 
sinensis, 96 
Tenthredinidae— 
characteristics, 564 
natural enemies, 
602, 629 
species, 565-583 
Tenthredinoidea, 543-591 
Tentmakers— 
characteristics, 348 
poplar, 396-397 
Tephritidae, 507, 508, 524 
Teredo— 
characteristics, 67-68 
control, 69 
miraflora, 68 
Termites— 
associates of, 160, 215 
characteristics, 85-88 
control, 30-31, 48-47 
damp-wood, 88, 90-91 
dry-wood, 47, 88, 90-91 
keys to, 88-90 
powder-post, 91-92 
species of, 88, 90-93 
subterranean, 92-93 
Tethida cordigera, 581 
Tetracis lorata, 487 
Tetraleurodes mori, 139 
Tetralopha— 
asperatella, 447-448 
militella, 447 
near asperatella, 447 
robustella, 446, 447 
Tetraneura— 
characteristics, 130-131 
graminis, 131 
ulinisaccula, 131 
Tetraneurini, 180-131 
Tetranychidae, 65-66 
Tetranychus telarius, 66 
Tetraopes, 230, 268 
Tetrastichini, 616—617 
Tetrastichus brevistigma, 
27D Olen 
Tetropium cinnamopte- 
rum, 268-269 
Tettigoniidae, 100-102 
Thamnosphecia. See Co- 
nopia. 
Thanasimus— 
dubius, 198, 201 
formicarius, 58, 198-199 
nigriventris, 201 
undulatus, 201 
Thecodiplosis— 
ananassi, 520 
liriodendri, 514 
Thelia bimaculata, 
632 
Therevidae, 525, 534, 
Therioaphis— 
bellus, 129 
liliae, 129 
Theronia fulvescens, 603 
Thrips, 80 
Throscus. 
601, 
631— 
ror 
Dow 
See Triragus. 
INDEX 
Thrypticus, 535 
Thylacites incanus, 
291 
Thymalus 
202, 205 
Thyridopteryx ephemerae- 
formis, 438-439 
Thysanoes— 
berschemiae, 326 
characteristics, 299, 326 
fimbricornis, 326 
lobdelli, 326 
Thysanoptera, 80 
290-— 
marginicollis, 
Thysanura, SO 
Ticks— 
American dog, 64-65 
characteristics, 63, 64, 
79 
sheep, 529 
Tinea, 349 
Tineidae, 349 
Tingidae— 
characteristics, 118, 115 
key to genera, 106 
species, 115-117 
Tinginae, 115-117 
Tiphia— 
inornata, 628 
parasites, 181 
Tiphiidae, 628 
Tipula abdominalis, 525 
Tipulidae, 507, 508 
Tipuloidea, 524-525 
Tolype— 
laricis, 419 
velleda, 41) 
Tomolips quercicola, 293 
Tomostethus multicinctus, 
581, 582 
Tomoxia bidentata, 200, 
22a 22, 
Tortricidae, 348, 349, 476-. 
484, 485 
Tortriz— 
large aspen, 480 
See also Archips. 
Torymidae. See Callimo- 
midae. 
Toumeyella— 
liriodendri, 144, 147 
numismaticum, 144, 210 
pini, 145 
Toxotrypana curvicauda, 
524 
Trachykele lecontei, 196— 
197 
Tragosoma harrisi, 269 
Treehoppers— 
buffalo, 619 
characteristics, 121 
Tremex columba, 588-589 
Tremicinae, 588-589 
Trichiocampus— 
irregularis, 571 
viminalis, 570, 571 
Trichiosoma triangulum, 
564 
Trichogramma— 
minutum, 618 
form pretiosa, 618 
Trichogrammidae, 618 
Trichiotinus, 185 
Trichodesma gibbosa, 226 
Trichosporium — symbioti- 
cum, 11 
Trixagidae, 186 
Triragus constrictor, 186 
Trogidae, 161 
Trombidiidae, 66 
Tropaea luna, 378, 379 
Trypetidae. See Tephriti- 
dae. 
Trypodendron— 
betulae, 339 
bivittatum, 339 
characteristics, 293, 299, 
339 
retusus, 339 
scabricollis, 339 
Trypopitys sericeus, 226 
Tubifera transversus, 540 
Twig girdlers, key to, 231— 
232 
Twig pruner, 245-246 
T'ylonotus— 
bimaculatus, 26, 239, 269 
control, 24, 26 
Tymnes— 
metasternalis, 279 
tricolor, 279 
Typhlocyba, 120, 632 
Uleiota, 211 
Uloma imber bis, 218 
Unaspis euonymi, 149, 150 
Upis ceramboides, 218-220 
Urocerus— 
albicornis, 589 
cressoni, 589 
flavicornis, 589 
Valentinia glandulella, 
461—462 
Vespa crabro, 630-631 
Vespidae, 629-631 
Vespinae, 629-631 - 
Vespoidea, 592, 627-631 
Vespula— 
diabolica, 630 
maculata, 6380 
| Walkingsticks, 94, 97-98 
Wasps— 
characteristics, 591 
families and _ species, 
629-63 
parasitic, 17, 541, 629 
solitary, 629 
wood-boring, 44 
Webworms— 
characteristies, 3848 
fall, 387-888, 389, 531, 
585, 612 
juniper, 460 
pine, 446 
pine, false, 588-584 
sawflies, keys to, 547 
