91 



Hessian Fly — Continued. 



in volunteer Wheat, xv, 22-23. 

 injury to Wheat by, contrasted with 

 that by Wheat Bulb-worm, xiii, 

 24. 

 larva of, distinguished from Wheat 



Bulb-worm, xiii, 17. 

 life history of. xiv, 39^13 ; Misc. 

 Ess., 14; xvii, XV, 54-61. 

 agreement of, with that of 



Wheat Bulb-worm, xv, 32. 

 practical discussion of, xvii, 



62. 

 second contribution to a 

 knowledge of the, xv, 21- 

 34. 

 parasites of, xiii, 9, 24-26; xiv, 3, 



39, 40, 4L, 44-50; Misc. Ess., 15. 

 preventive and remedial measures 



against, xvii, 63. 

 summary and discussion of life his- 

 tory of, and of defensive meas- 

 ures against, xv, 29-32. 

 Heteraspis, xiii, 163, 164. 

 nebulosus, xiii. Addenda, II. 

 pubescens, xiii. Addenda, II. 

 Heteroptera, xxiii, 197-202. 



as strawberry insects, xiii, 60. 

 Hibiscus militaris as food plant of Red- 

 headed Flea-beetle, xxi, 120. 

 Hickory as food plant of Goldsmith- 

 beetle, xiii, 146, 148. 

 of Horned Spanworm, xiii, 79. 

 of May-beetles, xviii. 114, 117, 



129; xxi, 165. 

 of San Jose Scale, xx, 1 ; xxi, 

 13. 

 defoliated bv forest caterpillars, xviii, 



X. 

 injury to, by Stenosphenus notatus, 



Misc. Ess., 130. 

 Phlepsius irroratus on, xxi, 76. 

 -trees, Lachnosterna beetles collected 

 from, xxiv, 141. 

 Hill, H. D., xxii, 13. 

 Hinds, W. E., xxiii. 136. 

 Hine, J. S., xxiii, 150. 

 Hinman, H. B., xxiv, 14. 15. 

 hippocastani, Melolontha, xxiv. 137. 

 Hippodamia convergens, xiv, 24. 

 glacialis, xiv, 24, 33. 

 maculata, xiv, 21, 24. 

 hirticula, Lachnosterna, xvii, 35, 36, 37. 

 38, 39, 43, 45^16, 51, 81; xviii, 54, 113. 

 115, 116. 117. 119, 126, 140. 143; xx, 

 33; xxiv. 137, 138, 139, 140, 141, 143, 

 144, 149, 151, 152, 153. 

 hirtiventris, Lachnosterna. xvii, 47, 48, 



49; xviii, 139, 141. 

 hirtus, Rhynchites, xvi. 75. 

 histrionica, Murgantia, xxiii, 196. 



Hoffman, J. W., xx, 4. 



Holcomb, T. A. E., xiii, 107. 



Holcus lanatus infested by Hessian Fly 



larvae, xvii, 61. 

 Holden, P. G., xxi, 57; xxiii, 189. 

 Hollister, E., xiii, 91. 

 Hollyhock as food plant of Glassy Cut- 

 worm, xxiii, 20. 

 of Grass-worm, xxiii, 82. 

 of Luperodes varicornis, xxiii, 

 187. 

 Honey eaten by blister-beetles, xxi, 138. 

 -bee, diseases of, xix, 19. 

 -locust, Acutalis calva on, xxi, 80. 

 as food plant of Common Black 

 Blister-beetle, Misc. Ess., 19; xv, 

 4; xxi, 141. 

 defoliated by Ash-colored Blister- 

 beetle, xxi, 140. 

 infested and subject to injury by 

 Soft Maple Bark-louse, or Cot- 

 tony Maple Scale, xiv, 103; xxiv, 

 103, 116. 

 injured by Common Gray Blister- 

 beetle, xxi, 139. 

 Honeysuckle as food plant of Army- 

 worm, xxiii, 49. 

 of Red-banded Leaf-roller, xxiii, 



175. 

 of Smartweed Caterpillar, xxiii, 



170. 

 of Zebra-caterpillar, xxi, 153. 

 blossoms eaten by Plum-curculio, xvii, 



22. 

 Cottony Maple Scale on, xxiv, 103. 

 Hop and Plum as alternate food plants 

 of Hop-louse, xviii, 57. 

 as food plant of Green Flata, xxiii. 



204. 

 Empoasca flavescens var. birdii on, 



xxi, 79. 

 infested by Common Red Spider, xxi, 



59. 

 Melon Aphis on, xxi, 81. 

 -louse, alternate food plants of, xviii, 

 57. 

 Hopkins, A. D., xxiii, 56. 

 Hopperdoser for destruction of grass- 

 hoppers, xxi, 129; xxiii, 14. 

 method of making and using the, 

 xxiii, 66. 

 Hops subject to attack by wireworms, 



xviii, 30. 

 hordei, Isosoma, xiii, 32, 33, 36; xiv, 



36. 

 Hormaphis, xviii, 101. 

 Horn, G. H., xiii, Addenda, I; Misc. 

 Ess., 17, 18; xvi, -59, 60, 61, 63; xvii, 

 48; xviii. 37, 39, 47, 141; xxi, 114, 136; 

 xxiv, 130. 



