'M57 



Sycamore, insects injurious to: 

 scale insect : 



• black-banded scale, 201". 

 Sj-mpiezus uro])latae, 328-. 

 Syntoniosphyruni esurus, 140*. 

 syringae, Podosesia, 51*, 104*. 

 Syrphidae, 24-. 

 Syrphns flies, 175-. 



Tachina tl\, rod-tailed, 132^ 



Tachina nielia, ii3'', 138^. 139^. 



Tachinidae. 22'. 



Tamarack, hickory tussock moth on, 314^ 



Tanagers, 31'', 33^; voracity, 26*. 



scarlet. 2f\ iii", 166^. 

 Tanagridae, 31^. 

 tarquinius. Feniseca, 196^. 

 Telenomus bifidus, 145''. 



graptae, i6i^ 



orgyiae, 138". 

 Tenebrionidae, 23^-24'. 

 Tent caterpillar, 14", 19'. 

 Tenthredinidae, 10^. 

 Ternies flavipes, 51^, 87^-90*. 

 tessellatus. Pemphigus, 173', i95*-96*. 

 Tetranychus mytilaspidis, 14*. 

 textor. Hyphantria. sec Hyphantria textor. 

 Thalessa, 21^. 



lunator, 63', 64, 261^. 

 Theronia fulvescens, II2''-I3\, 138^. 

 Thiodia signatana, 106-, i68'*-69^. 

 Thorn, insects injurious to : 



black walnut caterpillar, 305''. 



thorn limb borer, 283^. 

 Thorn, wild, thorn limb borer in, 257^. 

 Thorn limb borer, 257^, 283^-84*. 

 Thornapple, apple borer, round-headed in, 



5I^ 848. 

 Thrasher, brown, 31*. 

 Thrushes, 32'', 237^. 



mocking, 31*. 



wood. III®, 

 thyridopterigis, Allocota, 138*. 



thyridopterigis, Habrocytus, 140". 

 thyridoiHerigis. Hemiteles, 127*. 

 Thyridopteryx e])lKineraeforniis, 49, 105^ 



123^-28". 

 Thysanura, 15'"'. 

 Tibicen cassinii. 234*. 



septendecim, 173". 23i''-37*. 



tibicen, 174', 237'*-38^. 

 Tiger beetles, 320**. 

 Tiger hickory borer, 256*. 268''-69'. 

 tigrina. Goes, 256*, 268"-69''. 

 Timber, losses caused by insects, 7^. 

 Timber beetles, 7''. 



sugar maple, 50", 65'-67". 

 Timber worms, j*. 

 timidus. Plochionus, 146^. 

 Titmice, 32*. 

 Tits. 191*. 



blue. 213^, 331^. 



long tailed, 213^, 331^. 

 Tomicus, 23°. 

 Tomoxia bidentata, 261^. 

 Towhee, 27^. 31-. in", 

 townsendi. Hemiteles. 140^. 

 Transformations of insects, 13^-20^. 

 Tree creeper. 213^. 

 Tree of Heaven, resistance to insect attack, 



47'- 



Trees, selection and planting, 46^-49 ; re- 

 sistance of certain to insect injury, 46®; 

 massing of, 47"-48°. 



Tremex columba. 50", 54". 6i^'-64. 261'*. 



Trichogramma odontotae. 328-. 



tridentata. Saperda, sec Saperda tridentata. 



Tridymus metallicus, 301^. 

 salicis. 301''. 



trifasciata. Spathina, 278^. 



tritici, Diplosis. 6-. 



trivittatus. Leptocoris, 174", 239^-40^. 



Troglodytidae. ^2^. 



Trombidium sp.. 113®. 



tulipiferae. Eulecanium, 173^, 2o8*'-io®. 



Tuliptree, resistance to insect attack. 47*. 



