41 



Apple as food plant — Continued. 



of Red-banded Leaf -roller, xiv, 



21 : xxiii, 175. 

 of Smeared Dagger, xiii, 82. 

 of Zebra-caterpillar, xxi. 153. 

 -Might, xxii, 99, 101, 124. See Pear- 

 blight, 

 blossoms eaten by Apple Leaf-roller, 



xiv, 97. 

 buds and leaves eaten by Dark-sided 

 Cutworm, xxiii. 33. 

 by W-marked Cutworm, xxiii, 

 "31. 

 California wash used on, xxii, 55. 

 Caterpillar, flacberie of, xix, 22. 

 Cicadula 6-notata on. xxi, 77, 

 crown-gall of, xxii. 111. 

 Datana contracta collected from, xiv, 



95. 

 Empoasca flavescens and E. flaves- 

 cens var. birefci on, xxi, 78, 79. 

 obtusa bred on, xxi, 78. 

 grafts injured by False Chinch-bug. 



xxi, 96. 

 infested by Cottonv Maple Scale, xxiv, 

 103. 

 by Stalk-borer, xxiii, 46. 

 by Tussock-moth, xxii, 102, 136. 

 by Walnut Scale, xxii. 115. 

 injured by Apple Leaf-skeletonizer, 

 xiv. 7." 97 : xv. 58. 59. 60, 61. 

 by Cigar-Case-bearer, xxi, 146. 

 by Codling-moth, Misc. Ess., 9, 26. 

 by Empoasca mali, xxi, 78. 

 by flea-beetles, xiv, 98. 

 by Fruit Bark-beetle, xvii. 3, 4. 

 by Grape-vine Colaspis, xxii, 145, 



148; xxiii. 106. 

 by Green Apple Leaf-hopper. Misc. 



"Ess., 10. 

 by Ithycerus noveboracensis. xv, 5. 

 by kerosene emulsion, xxii, 48. 

 by Leaf-crumpler, xv, 66, 67, 74; 



xxii, 130 

 by ^Lesser Apple Leaf-roller, or 

 Leaf-folder, xiv. 7; Misc. Ess., 

 10; xv, 75, 76. 77. 78. 81, 84. 

 by Mealy Flata. xxi, 84. 

 bv Oblique-banded Leaf-roller, xiii, 

 "94. 

 by Prionus grubs, xviii, 146. 

 by Smartweed Caterpillar, xxiii, 170. 

 by Tarnished Plant-bug, xiii, 116, 



123. 

 by Tent-caterpillar, xxii, 135. 

 insects injurious to, xiii, 181-183. 

 Leaf-aphis, alternate food plants of, 

 xviii, 57; xxii, 128. 

 character of injury by, xxii, 128. 

 eggs of, xxii, 128. 

 generations of, xxii, 128. 



Apple Leaf -aphis — Continued. 



insecticide measures against, xxii, 



129. 

 on two species of. xxii, 127-129. 

 Leaf-crumpler, recognition of, in win- 

 ter, xxii, 101, 103. 

 trees infested by. xxii, 101. 

 (See also Leaf-crumpler.) 

 Leaf-hopper, xv, 66, 67; xxiii, 121. 

 See also Leaf-hopper, Green Apple. 

 Green, xiii, 181-182: Misc. Ess., 10, 

 24; xxiii, 123. 

 injury to Currant and Gooseber- 

 ry by, xiv, 117. 

 life history and food plants of, 

 and measures against, Misc. 

 Ess., 24. 

 nomenclature of. Misc. Ess., 23, 

 24. 

 Leaf-roller feeding on apple blossoms, 

 xiv. 97. 

 or Leaf-folder. Lesser, xiii, 183; 

 xiv. 7; xv. 58, 75-85. 

 appearance and injury of, char- 

 acterized, xv, 75. 

 description of. xv, 82-83. 

 dimorphism of, xv. 77, 78, 79- 



81, 84. 

 distribution of. xv, 83. 

 habits of, xv, 76, 78. 

 life history of, xv. 76, 77. 80, 



83-84. 

 literature and nomenclature of. 



xv, 75-82. 

 methods of protection against. 

 xiv. 98; Misc. Ess., 10; xv, 

 81, 85. 

 parasites and hemipterous ene- 

 my of, xiii, 183; xv, 84. 

 rank of, as an apple insect, xv. 



75. 

 serious injury by. Misc. Ess., 10. 

 Leaf-skeletonizer, xiv, 7, 97 : xv. 58- 

 64. 

 appearance of and injury by, xv, 58. 

 description of, xv, 61. 

 distribution of, xv, 62. 

 injuries by. xv, 58. 59, 60, 61, 63. 

 life history of, 60, 63. 

 literature of. xv, 59-61. 

 methods of protection against and 



remedies for, xiv. 98 ; xv, 64. 

 parasites of, xv, 60, 64. 

 Leaf-tyer, Green Apple- xv, 77, 78. 



See Apple Leaf-roller, Lesser. 

 leaves eaten by Garden Web-worm, 

 xxiii. 90. 

 Gypsy-moth bred on, xxiii, 89. 

 mined by Apple Ornix, xv, 52, 53, 

 57. 



