63 



Corn as food plant — Continued. 



of Striped Cucumber-beetle, xxi, 



126. 

 of Zebra-caterpillar, xxi, 153. 

 Ataenius cognatus infesting husks and 



roots of, xxiii, 183. 

 bill-bugs. Misc. Ess., 109; xvi, 58-74; 

 xviii, 4, 5. See Sphenophorus 

 spp. and Bill-bugs. corn, 

 in Illinois, xxii, 1-26. 



article on, cited, xxiv, 1. 

 character of injury to, by leaf-hop- 

 pers, xxiii, 7. 

 by plant-lice, xxiii, 7. 

 by wireworms, xvi, 28, 29. 

 Cicadula nigrifrons and C. quadri- 

 lineatus on, xxv, 68, 69. 

 sexnotata on, xxi, 77. 

 classification and grouping of injuries 



to, xviii, 7: xxiii. 225. 

 Curculio, Sculptured, Misc. Ess., 109. 

 Delphax, xxiii, 120-121. 

 Deltocephalus inimicus on, xxi, 74. 

 destroyed bv Western Green Stink- 

 bug, xxi. 97. 99. 

 ears, Euschistus fissilis feeding on, 

 xxiii, 195. 

 fallen, infested by Cremastochilus 



knochii, xxiii. 183. 

 green, fed in by Rusty-Brown Tor- 

 trix, xxiii, 176. 

 eggs of Diedrocephala mollipes on, 



xxi, 72. 

 exposed kernels of, eaten by Common 



Ladybug, xiv, 22. 

 -feeding Syrphus-fly, xxiii. 162-163. 

 field experiments for protection of, 

 against Chinch-bug injury, xxiv, 

 30-58. 

 light-trap for Mav-beetles in, xxiv, 

 147. 

 fields as breeding place of Northern 



Corn Root-worm, xxi, 127. 

 Flea-beetle, xviii, 4: xxi, 118; xxiii, 

 107, 109-110. See also Brassy Flea- 

 beetle, 

 fodder destroyed by Grass-worm, xiv, 



62. 

 Forda occidentalis on. xviii, 95-97. 

 Gnathodus abdominalis and G. impic- 



tus on, xxi, 76. 

 indications of injury to, xviii, 4-6. 

 infested by Geoica squamosa, xviii, 

 98. 99. 100.- 

 by Grass Root-louse, xiii, 51 ; xviii, 



57, 85. 86, 87, 88, 89. 

 by Mealy Flata, xxiii, 203. 

 by Sorghum Mealy Bug, xviii, 106, 



107. 

 by Tychea brevicornis, xviii, 97. 



Corn infested — Continued. 



by Woolly Grass Root-louse, xviii, 

 104, 105. 

 injured by Agallia novella, xxii, 69. 

 by Chaetocnema denticulata, xxi, 



118. 

 by Common Garden Web- worm, xxi, 



108. 

 by Common Negro-bug, xxi, 100. 

 by Corn Flea-beetle, xviii, VII ; xxi, 



118. 

 by Deltocephalus nigrifrons, xxi, 75. 

 by Empoasca mali, xxi, 78. 

 by False Chinch-bug, xxi, 96. 

 by Leaf-cutting Ant, xxiii, 159. 

 by Muck-Beetle, xxi, 165. 

 by Fale-striped Flea-beetle and its 



larva, xxi, 121, 122. 

 by Psylliodes convexior, xxi, 124. 

 by Spotted Cutworm, xxi, 103. 

 by Stobera tricarinata, xxi, 67. 

 bv Sweet-Potato Flea-beetle, xxi, 



119; xxiii, 110. 

 bv Texas Agricultural Ant, xxiii, 

 159. 

 injury to, by blister-beetles. Misc. 

 Ess., 19; xv, 4; xxi, 140, 141. 

 by Burrowing Web-worm, xvi, 98. 

 by Cardiophorus sp., xv, 4. 

 by Chinch-bug. Misc. Ess., 23 ; 

 xv, 1; xvi, 50; xviii. VIII, IX. 

 by Colaspis brunnea, xxi, 125 ; 



xxii, 145-146. 



by corn bill-buss, xvi, XII, 58, 



"59, 60, 61, 62, 63. 68, 69, 70, 71; 



xxii, 1, 2. 3, 4, 5, 6, 7, 8, 9-11, 



12, 13. 14-16, 21, 22. See also 



injury to. by timothy bill-bugs. 



by corn myriapod, xiii, 140. 



by Corn Plant-louse, Misc. Ess., 



'24-25. 

 bv Corn Root-aphis, xviii, 58, 



59-60. 

 bv corn root-worms, xiv, 6; xvii, 



XL 

 by cutworms, xiv, 13; xvi, 84, 85, 



88, 90, 91. 97. 

 by Grass-worm, or Common 

 Grass-worm, or Fall Army- 

 worm, xiv, 55, 56, 57, 61, 62, 

 63; xxi, 149. 

 bv grasshoppers, xiv, 23 ; Misc. 



Ess., 48, 50, 53. 127, 128. . 

 by Hadena stalk-borers, xxiii, 



77, 78. 

 by Larger Corn Root-worm, xvii, 



71. 

 by Prionus grubs, xviii, 146. 

 bv Roob Web-worm, xiv, 13; 

 "Misc. Ess., 10, 11. 12; xvi. X. 



