XVII 



Cremastochilus knodiii on fallen ears of Corn, 



183. 

 Cremastogaster lineolata in attendance on Cnrn 



Leaf-aphis 126. 

 crenistriatus, Platynus, 177. 

 Cricket family, 213-222. 

 Great Plains, 148-149, 229. 

 Snowy, egg-punctures by, 216. 

 Striped, 214. See Striped Cricket. 

 Crickets, black or white, 227. 



climbing, 3, 213, 215. See also Tree-crickets 



and White crickets, 

 common, 13, 213. 



white, 215. See White crickets and Tree- 

 crickets. 

 Criddle mixture for destruction of grasshopiiers, 

 14, 65. 

 formula for, 65. 

 Crocota rosa, 71. 

 Crown-girdler, Strawberry, 192. See under 



Strawberry, 

 crus-galli, Panicum, 192. 

 Cucumber as food plant of Army-worm, 49. 

 of Common Striped Cutworm, 34. 

 of Cotton Cutworm, SO. 

 of Garden Web-worm, 90. 

 of Grass-worm, 82. 

 injured by Imbricated Snout-beetle, 113. 

 Cucumbers as fooil of thousand-legged worms, 

 222. 

 destroyed by Pale-striped Flea-beetle, 108. 

 Cucumber-beetle, Striped, 231. 



food habits of, 187, 188. 

 cucumeris, Epitrix, 190. 



Cuina arundinacea, eggs of meadow grass- 

 hoppers in stems of, 146. 

 Curculios, rhubarb and dock, 114-115. See 



Lixus. 

 Currant as food plant of Yellow Bear, 74. 

 of Yellow-headed Cutworm, 21. 

 buds and leaves eaten by W-marked Cut- 

 worm, 31. 

 eaten by Dark-sided Cutworm, 33. 

 infested by Stalk-borer, 46. 

 injured by Four-lined Leaf-bug, 200. 

 stems burrowed by Parajulus venustus, 223. 

 custator, Thyanta, 117, 196. 

 Cutworm, Bristly, 35, 232. 

 Bronze, 29-31. 

 Clay-backed, 28, 232. 

 Common Striped, 34, 232. 

 Cotton, 79-81, 230. 

 Dark-sided, 32-33, 232. 

 Dingy, 26-28, 232. 

 Glassy, 19-20, 31, 231. 

 Granulated, 32. 232. 

 Grea.sy, 21-23, 27, 232. 

 Red-backed, 34, 232. 

 Spotted, 25, 232. 

 Variegated, 23-25, 232. 

 W-marked, 31, 232. 

 Western Striped, 26, 232. 

 Yellow-headed, 21, 231. 

 Cutworms, 4, 7, 11, 16, 36, 48, 95, 184. 

 and sod web-worms contrasted, 36, 37. 



Cutworms — Conlinued. 



associated with .sod web-worms in iiijiir,\' to 

 Corn, 39. 



climbing, 24, 27, 30, 31, 33. 



corn, 17-36, 226, 231-232. 



measures against, 18-19. 



number of species of, taken in Corn, 10. 

 Cyclocephala, discussion of, cited, 69. 



dactyloides, Tripsacum, 92. 

 Dark-sided Cutworm, 32-33, 232. 

 Datura as food plant of Ear-worm, 67. 

 Davis, G. C, 175. 

 debilis, Solenopsis, 228. 

 Delithacinoe, 204. 

 Delphax, Corn, 120-121. 



maidis, 120-121. 

 Deltocephalus inimicus, general description of 

 adult and young of, 121-122. 

 injury to leaves of Corn by, 121. 

 on life history and distribution of, 123. 

 nigrifrons, general color of adult of, and dis- 

 tinctive markings, 122-123. 

 injury to leaves of Corn by, 121. 

 on life history and distribution of, 123. 

 denticoUis, Myochrous, 103, 229. 

 denticulata, Chaptocnema, 110. 

 deplanata, Limnobaris, 193, 229. 

 devastatrix, Hadena, 17, 19. 

 Diabrotica, 187-189. 

 atripennis, 189, 231. 



12-punctata, 8, 187. See Southern Corn Root- 

 worm, 

 longicornis, 4, 187, 188, 231. See Northern 



Corn Root-worm, 

 soror, injury to Corn by, 188. 

 spotted, 231. 



tenella, range of, and injuries by, 187-188. 

 vittata feeding on Corn, 188. 

 Diacrisia virginica, 72. See under Yellow Bear, 

 dianthi, Rhopalosiphum, 210. 

 Diapheromera femorata, 212. 

 veliei, 211. 

 velii, 211. 

 Diastata sp., 226. 



mining leaves of Corn, 9, 164. 

 Diatra;a saccharatis, 10, 91-93. See Stalk- 

 borer, Larger Corn. 

 Dichelia sulfureana, 174. 



Dichromorpha viridis, 212, 229. See Short- 

 winged Green Grasshopper. 

 Dicranotropis sp. taken on Corn, 204. 

 Diedrocephala mollipes, 205. 

 differentialis, Melanoplus, 67, 136. 

 dimidiatus, Carpophilus, 181. 

 Dingy Cutworm, 26-28, 232. See Cutworm, 



Dingy. 

 Dii)tera, injuries to Corn by, 9, 161-166. 

 Dipterous parasites of CJreasy Cutworm, 22. 



of Stalk-borer, 47. 

 Disease of Bronze Cutworm, 30. 

 of Army-worm, 51. 

 of Drseculacephala mollipes, 205. 

 dispar, Porthetria, 87. 

 Dissosteira longipennis, 213, 229. 



