99 



Leaf-beetles, xxi, 112-128; xxiii, 186- 

 187. 

 as enemies of the Beet, xxi, 112, 113, 



114. 

 character of injuries by, xxi, 113. 

 general description of, xxi, 113. 

 insecticides for and preventive meas- 

 • ures against, xxi, 113. 

 life history of. xxi, 114. 

 Leaf-bug, Dusky, xxi, 92; xxiii, 199.233. 

 feeding on Corn pollen, xxiii, 202. 

 Four-lined, xxiii, 200-201, 233. 

 Green, xxi, 87, 90. 

 Leaf-bugs, general description of, and 

 conspicuous differences in species 

 of, xxi, 87. 

 leaf-folders, leaf-hoppers, leaf-miners, 

 and leaf-rollers, characterization of 

 injuries to beets by. xxi, 56. 

 life history of, xxi, 87. 

 Leaf-chafers, xxiii, 183, 184-186. 



injurious to Corn, xxiii, 12. 

 Leaf-crumpler, xv, 65-74. 



appearance and injury of, briefly 



characterized, xv, 65 ; xxii, 130. 

 description of, xv. 67, 71-72. 

 distribution of, xv, 72. 

 food plants of, xv, 66, 67, 69, 73. 

 hibernation of, xxii, 129. 

 injuries by, xv, 65, 66, 67, 68, 70. 

 introduction of, into new localities, 



xv. 73. 

 larval case and habits of, described, 



xv. 65. 68, 69. 

 life history of. xv. 6\ 73; xxii, 130. 

 literature of. xv. 65-71. 

 parasites of, xv, 68, 69, 70, 73. 

 Rascal, xv, 59. 67. 

 recognition of, at different seasons, 



xxii. 130. 

 remedies for and protective meas- 

 ures against, xv, 74; xxii, 131. 

 trees infested by, and injury done, 

 xxii, 130. 

 Leaf-eating beetles, xxi, 136, 137. 



caterpillars, exposed, species of. which 

 feed upon the Beet. xxi. 145-158. 

 Leaf-folder or Leaf-roller, Lesser Ap- 

 ple, xiii, 183. See under Apple, Leaf- 

 roller or Leaf-folder. 

 Leaf-footed plant-bugs, xxiii, 197, 233. 

 Leaf-hopper, Apple, xxiii, 121. 

 Green, Apple, xiii, 181-182. 



injury to Currant and Goose- 

 berry by, xiv, 117. 

 Three-banded, injury to White Elm 

 by, xiv, 115. 

 Leaf-hoppers, Misc. Ess., 116; xxiii, 

 • 204-206, 233. 



Lea f-hoppers— (/(•// tinned. 

 character of injury to beets by, xxi, 

 56, 62-63. 

 to Corn by, xxiii, 7. 

 common, xxiii, 121-123. 

 contagion experiment with, xix, 77. 

 device for destruction of, xxi, 64. 

 eggs of, xxi, 63. 

 enemies of, xxi, 63. 

 grain, xiv, 67-69. 



grape-vine, general description and 

 life history of, xxi, 79. 

 on beets, xxi, 67, 79. 

 infesting the Beet, xxi, 50, 64-79. 

 injury by, to young Corn, xiv, 22. 

 life history of, xxi, 63. 

 mistaken for young grasshoppers, xv, 



43. 

 parasites of, xxi, 63. 

 Leaf-miner, Blackberry, xiv, 87. 

 Corn, Misc. Ess., 92; xxiii. 164, 226. 

 general description of different 

 stages of, xxiii, 164. 

 tineid, injuries by, xxiii, 176. 

 Leaf-miners as beet insects, xxi, 50. 51, 

 59-62. See under Sugar-beet leaf- 

 miners. 

 characterization of injury to Beet by, 

 xxi. 56. 

 Leaf-mining moths, xxiii, 164. 

 Leaf Mite, Grape, xiv, 84-86. 

 Leaf-roller, Common Strawberrv, xiii. 

 61, 87-93. 

 Currant and Gooseberry, description 



of, xiv, 118. 

 European, xiii, 87. 

 Greenhouse, xxi. 105-106. 

 Oblique-banded, as Soft Maple insect, 

 xiv. 109. 

 as strawberry insect, xiii, 61, 94-95. 

 calendar of, xiii. 179. 

 description, food plants, and disease 

 of, and treatment for, xiii, 94, 95. 

 Peach-tree, as strawberry insect, xiii, 

 62, 97. 

 calendar of. xiii, 179. 

 Plain, Strawberry, xiii. 61, 95-96. 



calendar of, xiii, 179. 

 Red-banded, xiv. 20-21 ; Misc. Ess., 

 88; xxiii, 175-176. 

 as cranberry insect, xiv, 20. 

 bred from Corn, xiv, 20. 

 description of adult, xiv, 20, 21. 

 indication of presence of. in Corn, 



xiv, 20. 

 literature and synonymy of, xiv, 20- 



21. 

 range and food plants of, xiv, 21. 

 Sulphur, xiv, 17-20; xxiii, 174-175. 

 description of, xiv, 18. 

 distribution of. xiv, 19. 



