130 



K 10I louse — Continued. 



Grass, xviii. 53, 57, 59, 68. 85-93. 



See Grass Root-louse. 

 Woolly Grass, xviii. 53, 104-106. 

 description of, xviii, 105-106. 

 Root Mealy Bug, xxi, 159.161. 

 -rot. xvii, XII; xxii, 99, 103. 



appearance oi, in winter, xxii, 104. 

 description of, xxii, 100, 111. 

 measures for extermination of. xxii, 



112. 

 trees subject to attack by, xxii. 111. 

 W'eli-worm. xiv, 6. 12-17: Misc. Ess., 

 87. 

 artificial remedies for. xiv, 16. 

 description of. xiv, 14-16; Misc. 



Ess.. 12-13. 

 distribution of. in Illinois, xiv, 16; 



Misc. Ess., 11. 

 habits of. and injury to Corn by, 



xiv. 13: Misc. Ess., 10-11. 

 life historv of, xiv, 16; Misc. Ess., 



11. 12. 

 natural enemies of, xiv, 14, 16; Misc. 

 Ess., 13. 

 nr sod, web-worms, xvi. IX; xviii. 4, 

 6: xxiii. 36-44. 149-155. 230. See 

 under Sod web-worms. 

 Root-worm beetles, xxiii. 187-189. 227. 

 Colaspis. xxii, 145-149; xxiii, 104-106, 



228. See also Colaspis brunnea. 

 Corn, xiii, 9. 55; xiv. 5. See also 



under Corn Root-worm. 

 Xorthern Corn. See Northern Corn 



Root-worm. 

 Southern Corn. See Southern Corn 



Root-worm. 

 Strawberry. See Colaspis brunnea. 

 Root-worms, corn, xviii. 4, 5, 52. 53. 

 strawberry, xiii. 61. 62, 144, 150-177. 

 See under Strawberry. 

 rosa, Crocota. xxiii, 71. 



Eubaphe. xxiii. 71, 230. 

 Rosacea?, xv, 46. 

 as food plants of Leaf-crumpler, xv, 

 69. 

 rosaceana, Caccecia, xiii, 61, 94, 95; xiv, 



74, 97, 109. 

 rosa?. Aulacaspis, xxii, 120. 

 Selandria, xiii, 61, 76. 

 Siphonophora. xiii. 101 ; xviii, 56. 

 Typhlocyba. xxi. 78. 

 Rose, xxi. 3. 

 as food plant of Apple Tischeria. xv. 47. 

 of Horned Spanworm, xiii, 79. 

 of Oblique-banded Leaf-roller, 



xiii, 94. 

 of Rose-chafer, xxiii, 184. 

 of Yellow-headed Cutworm, 



xxiii, 21. 

 of Zebra-caterpillar, xxiii, 171. 



Rose — Continued. 



-beetle, Fuller's, appearance of, in hot- 

 houses, xvii. XIII. 

 -bushes flamed with gasoline blast- 

 lamp, xxiv, 52. 

 -chafer, xxiii, 184. 227. 

 Cymatophora crepuscularia collected 



from, xiv, 72. 

 infested by Beet Aphis, xxi, 159. 

 by Common Red Spider, xxi, 59. 

 bv San Jose Scale, xx, 1. 11; xxi, 



13. 

 by Typhlocyba rosa?, xxi, 78. 

 injured by Pyrrhia umbra, xiv. 89, 90. 

 by Red-banded Leaf-roller, xiv, 21 ; 

 xxiii. 175. 

 leaves cut up by Leaf-cutting Ant, 

 xxiii, 160. 

 eaten by Rhynchites bicolor, xvi. 75. 

 by Strawberry Crown-girdler. xxiii, 

 " 193. 

 or Raspberrv, Scale, xxii, 113, 120— 

 121." 

 eggs of, xxii. 121. 

 general description of, xxii, 120. 

 measures against, xxii. 121. 

 plants infested by, xxii, 120. 

 winter stage of. xxii. 113. 121. 

 petals as food of adult Southern Corn 



Root-worm, xviii, 148. 

 -slug as strawberry insect, xiii. 61. 76. 

 Wild, as breeding plant of Lesser 

 Apple Leaf-roller, xv, 81. 

 Roses eaten by Plum-curculio, xvii, 21. 

 roseticola. Tischeria. xv. 46, 47. 

 Rosin-weed, as food of Rhynchites hir- 

 tus, xvi. 75. 

 flowers as food of Black Blister-beetle, 

 xxi. 141. 

 rostratum. Solanum. xxi. 161. 

 Rotation of Corn and Oats for Corn 

 Root-aphis, xviii. 80: xxiv. 20-24,28. 

 of crops as preventive of insect injury 

 to beets, xxi, 52. 53. 

 as protection against Black Peach 

 Aphis, xxii. 110. 

 against crown-gall, xxii. 111. 

 asainst Peach-tree Borer, xxii, 

 124. 

 for bill-bugs, xxiii. 12. 

 for Chinch-bug, xv. 96. 102: xvi. 



6. 

 for Corn Plant-louse, xiii, 50, 54. 

 for Corn Root-aphis, xvii. 69; 



xviii, 58. 75. 

 for Corn Root-worm. Misc. Ess., 



10. 21); xv. 4, 5. 6; xxiii. 16. 

 for cutworms, stalk-borers, and 



weli-worms, xxiii, 11. 

 for Xorthern Corn Root-worm, 

 xviii, 162. 



