'1457 



Sycamore, insects injurious to: 

 scale insect : 



black-banded scale, 201-. 

 Sympiezus uroplatae, 328-. 

 Syntomosphyrum esurus. 140^. 

 syringae. Podosesia, sr"*, 104^ 

 Syrphidae. 24-. 

 Syrphus flies. 1/5". 



Tachina fly, re<l-tailcd, 132'. 



Tachina mella, II3''. 138"', 139". 



Tachinidae. 22". 



Tamarack, hickory tussock moth on, 314". 



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



scarlet, zf", \\\'\ 166". 

 Tanagridae, 31^. 

 tarquinius, Feniseca, 196^. 

 Telenomus bifidus, 145^- 



graptae, 161''. 



orgyiae, 138''. 

 Tenebrionidae, 23^-24^. 

 Tent caterpillar, 14'', 19^. 

 Tenthredinidae. 10". 

 Termes flavipes. 5i\ 87^-901. 

 tessellatus. Pemphigus, 173^ \<^f-()(y^. 

 Tetranychus mytilaspidis, 14^. 

 textor. Hyphantria, sec Hyphantria textor. 

 Thalessa, 21^. 



lunator, 63-, 64. 261 5. 

 Theronia fulvescens, 112*- 13^, 138''. 

 Thiodia signatana, 106', \(>%^-6<:f. 

 Thorn, insects injurious to : 



black walnut caterpillar. 305''. 



thorn limb borer, 283^. 

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

 Thorn limb borer, 257^, 2833-84-. 

 IMiornapple, apple borer, round-headed in, 



5I^ 84*. 



Thrasher, brown, 31®. 

 Thrushes, 32^ 237^. 



mocking, 31®. 



wood, 1 11'^. 

 thyridopterigis. Allocota, 138*. 



thyridopterigis. Habrocytus, 140^. 

 thyridopterigis. Hemiteles. 127*. 

 Thyridopteryx ephemeraeformis, 49, 105^. 



I23"-28S. 



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, "f". 



sugar maple, 50*, 65^-67''. 

 Timber worms, 7'*. 

 timidus, Plochionus, 146'. 

 Titmice, 32-. 

 Tits. i9i*. 



blue, 2133. 331^. 



long tailed, 21 3^, 331'. 

 Tomicus. 23". 

 Tomoxia bidentata, 261". 

 Towhee, 27^, 31^ iii". 

 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'', 61^-64. 261^ 

 Trichogramma odontotae, 328-. 

 tridentata, Saperda, sec Saperda tridentata. 

 Tridymus metallicus. 301**. 



salicis, 301". 

 Irifasciata. Spathina, 278*. 

 tritici, Diplosis. 6-. 



trivittatus, Leptocoris. 174-. 2y)'-^f?. 

 Troglodytidae, 32^ 

 Trombidium sp.. ii3''- 

 tulipiferae. Eulecanium. 173''. 208*"- 10". 

 Tuliptree. resistance to insect attack. 47^ 



