154 



\\ heat injured — Continued. 



by Euschistus fissilis rind E. vari- 



olarius, xxiii, 195, 196. 

 by Flea, or Little, Negro-bug, xxiii, 



116. 

 by Grass-worm, or Fall Army- 

 worm, xiv, 6, 55, 56, 62, 63 ; xxiii, 

 82. 

 by Hessian Fly, xiii, 9. 

 by iulids, xiii, 140. 

 by CEbalus pugnax, xxiii, 194. 

 by Spotted Cutworm, xxiii, 25. 

 by Stalk-maggot, xxiii, 164. 

 by Sweet-Potato Flea-beetle, xxi, 



119; xxiii, 111. 

 by Tarnished Plant-bug, xxiii, 119. 

 by Wheat Midge, xiv, 50, 54. 

 by Wheat Straw-worm, xiv, 34. 

 bv White-grubs, xvii, 41 ; xx, 29, 30, 



31; xviii, 114. 

 by wireworms, Misc. Ess., 19. 

 by Yellow-headed Cutworm, xxiii, 

 21. 

 kernels eaten by adult Southern Corn 



Root-worm, xviii, 149. 

 leaves cut up by Leaf-cutting Ant, 



xxiii, 160. 

 Midge, xiv, 6. 

 description of, xiv, 51-52. 

 injuries to grain by, xiv, 54. 

 life history of, xiv, 53. 

 note on, xiv, 50-54. 

 remedies for, xiv, 54. 

 notes on insects injurious to, xiv, 34- 



69. 

 roots as food of larva of Green June- 

 beetle, xviii, 144. 

 shocked, infested by Eustilbus api- 



calis, xxiii, 180. 

 smut as food of Phalacrus politus, 

 xxiii, 180. 

 bred in and fed on by Corn-smut 

 Beetle, xxiii, 194. 

 Southern Grain-louse as enemy of, 



xxiii, 134. 

 Spring, xv, 30. 

 and Winter, as breeding plants of 

 Chinch-bug, xv, 93. 

 relative liability of, to injury by 

 same, xxiii, 59. 

 -stem eaten off by Southern Corn 

 root-worm, xviii, 148. 

 Maggot, xiii, 13. 

 stored, eaten by Corn-smut Beetle, 



xxiii, 194. 

 Strawberry Crown-girdler on, xxiii, 



193. 

 Straw-worm (or Wheat Straw-worm, 

 Lesser), xiii, 30-38; xiv, 6, 36-37. 

 character of injury by, xiii, 36-37. 



Wheat Straw-worm — Continued. 



description of imago, larva, and 



pupa of, xiii, 35. 

 Larger, xiv, 34-36. 

 description of, xiv, 35. 

 distinguished from Isosoma tritici, 



xiv, 35-36. 

 life history and distribution of, 

 xiv, 35. 

 larva of, distinguished from Wheat 



Bulb-worm, xiii. 17. 

 life history of, xiii, 35; xiv, 36. 

 literature of, xiii, 31-34. 

 parasite of, xiii, 30, 31, 32, 33, 34; 



xiv. 35-36. 

 remedial measures for, xiii, 32, 37. 

 Thrips, xvii, XIII. See Strawberry 



Thrips. 

 Thyanta custator on, xxiii, 196. 

 Timothy or Clover sown with, as pro- 

 tection against Chinch-bug injury, 

 xv, 102. 

 volunteer, killed as measure against 

 Hessian Fly, xv. 30-31. 

 against Wheat Bulb-worm, 

 xv, 31, 38. 

 Winter, destroyed by Glassy Cut- 

 worm, xxiii, 20. 

 Wireworm, xviii, 8, 29, 36-39, 54. 

 collected from pastures and mead- 

 ows, xviii, 37. 

 description of, xviii, 36, 38-39. 

 cited, xviii, 37. 

 injuries bv. Misc. Ess., 19: xviii, 8, 

 29, 36; 37. 

 length of larval stage of, xviii, 37. 

 notes on life history of, xviii, 37- 

 38. 

 Yellow Sorghum Plant-louse breeding 

 on, xxiii, 210. 

 White Ant, description and life history 

 of, xix, 191. 

 descriptive list of economic articles 



on, xix, 199-204 

 Formica schaufussi attendant on, 



xix; 198. 

 in Illinois, xix, 190-204. 

 infested bv Entomophthora aphidis, 

 xix, 198. 

 by Sporotrichum globuliferum, 

 xix, 198. 

 injuries bv, in Illinois, xvi, XIII; 



xviii, X; xix, 192-198. 

 miscellaneous notes concerning, xix, 



198. 

 parasites of, xix, 190, 198. 

 prevention and remedy for ravages 

 of, xix, 198. 

 Ash as food plant of May-beetles, 

 xxiv, 143. 



