149 



Tree-crickets, xxiii, 145, 215-222, 227. 



See also Climbing crickets. 

 Treehoppers, xxi, 80. 

 Tree-sparrow as enemy of Leaf-crum- 



pler, xv, 67. 

 Trees and shrubs as breeding places of 

 Flatas, xxiii, 203. 

 injury to, by June- or May-beetles, 



xxi, 165 ; xxiv, 166. 

 leaves of, devoured by Western 

 Army-Cutworm, xxi, 102. 

 cultivated, injured by outbreak of 

 Sphragisticus nebulosus. Geocoris 

 bullatus, and Nysius angustatus, 

 xxi, 94. 

 eggs of cutworms on, xxi, 100. 

 fruit-, infested by Leptoglossus, xxiii, 



197. 

 infested by Pigweed Bug, xxi, 85. 

 injured by Diabrotica tenella, xxiii, 

 188. 

 by red spiders, xxiii, 223. 

 by tree-crickets, xxiii, 216. 

 leaves of. as food of Saddle-back Cat- 

 erpillar, xxiii, 173. 

 young, as food of woolly bears, 

 xxiii, 73. 

 roots of, injured by White-grubs, xvii, 

 41 ; xviii, 109. 

 triangularis, Disonycha, xxi. 114, 115. 

 tricarinata. Delphax, xxi, 167. 



Stobera. xxi, 65. 67; xxiii, 204. 

 tricincta, Typhlocyba, xiv, 115. 

 tricosa, Agrotis, xxiii, 26. 

 tridentata, Artemisia, xxi. 76 



Saperda, xiv, 112. 

 tridentatus. Aphonus, xxiii, 184. 

 triferana, Cacoecia, xiv, 20. 



Eulia, xxiii, 175. 

 triferanus, Lophoderus, xiv, 20; xxiii, 



175. 

 trifida. Ambrosia, xiv, 74; xxi, 161. 

 trifoliata, Ptelea, xxi, 78. 

 trifolii. Cecidomyia, Misc. Ess., 15 ; xv, 3. 

 Coccus, xiv. 73. 

 Macrosiphum, xxiii, 208. 

 Mamestra, xxi, 51, 146, 151. 

 Trimerotropis latifasciata, xxi, 132. 

 Trioza diospyri abundant on Persim- 

 mon, xiv, 99. 

 infesting Pear, xiv, 100. 

 pyrifoliae, xiv, 98-100. See Jumping 

 Pear-louse, Yellow. 

 Triphleps insidiosus, xiii, 105; xxi, 86; 

 xxiii, 202. 233. 

 as enemy of Clover-seed Midge, 

 Misc. Ess., 16; xv, 4. 

 Tripsacum dactyloides infested by Larg- 

 er Corn-Stalk-borer, xxiii, 92. 

 tripunctata, Oberea, xxiv, 127. 



trisectus, Crambus, xxiii, 39, 40, 41, 42, 



43, 153, 154. 

 tristis, Anasa, xix, 72; xxi, 97. 

 Chrysomitris, xiv, 10b. 

 Colaspis, xiii, 62, 86, 158, 159. 

 Lachnosterna, xvii, 36, 37, 41, 47, 51; 

 xviii, 113, 116, 117, 140, 144; xxiv, 

 137, 138, 139, 140, 141. 143, 144, 152. 

 Nodonota, xix, 81. 

 tritici, Cecidomyia, xiv, 50. 

 Euthrips, xxiii, 136. 

 Isosoma, xiii, 17, 30; xiv, 6. 34, 35, 36. 

 Thrips, xvi, IX; xvii, XIII. 

 Triticum repens, Hessian Fly flaxseeds 



in, xvii, 61. 

 Trogositidse, xxiii, 180, 182. 

 Trombidium locustarum, xv, 40, 43. 

 Trouvelot, L., xv, 78. 

 Trumpet-creeper, Cottony Maple Scale 



on, xxiv, 103. 

 Trumpet Mine of the Apple, xv, 47. 

 Tucker, Edward, xxiv, 60. 

 Tulasne, L., xix, 20; xx, 22. 

 Tulip-tree as food plant of May-beetles, 



xxiv, 143. 

 tulipifera. Liriodendron, xix, 195. 

 Tumblebug, xxiii, 183. 

 Turf web-worms, xxiii, 10. See Sod 



web-worms. 

 Turkeys as enemies of corn bill-bugs, 

 xvi, 71. 

 White-grubs eaten by, xviii, 124. 

 Turner, J. B., xix, 194. 

 Turnip as food plant of Agallia san- 

 guinolenta, xxi, 70. 

 of Bristly Cutworm, xxiii, 35. 

 of Cabbage Plusia, xxi, 152. 

 of Dark-sided Cutworm, xxiii, 



33. 

 of Dingy Cutworm, xxiii, 27. 

 of False Chinch-bug, xiii, 104. 

 of Garden Mamestra, xxi, 151. 

 of Prodenia ornithogalli eudi- 



opta, xxiii, 80. 

 of Seed-corn Maggot, xxiii, 70. 

 of Tarnished Plant-bug, xiv, 80. 

 of Western Green Stink-bug, 



xxi, 97; xxiii, 116. 

 of Zebra-caterpillar, xxi, 153. 

 destroyed by Cabbage Flea-beetle, xxi, 

 123. 

 by Imported Garden Web-worm, 



xxi. 111. 

 by Pale-striped Flea-beetle, xxiii, 



108. 

 or injured by Grass-worm, xiv, 62; 

 xxiii, 82. 

 infested by wire worms, xviii, 30. 

 injured by False Chinch-bug, xxi, 96. 

 by Phyllotreta decipiens, xxi, 123. 



