360 



Index. 



immanis, Gortyna, 115. 

 Immense number of insects, 12, 13. 

 immunis, Sphenophorus, 254. 

 Importance of entomological study, 1. 



of knowledge of larval stages, 22. 

 Imported injurious insects, 8. 

 mcertus, Melanotus, 330. 

 Inchbald, Mr., cited, 207. 

 Increased interest in entomological investi- 

 gations, 21. 

 Iticurvaria acenfoliella, 308. 

 Inda, Euphoria, 232-239, 330. 

 Indiana moving for a State entomologist, 21. 

 Indian Cetonia, 232-239. 



allied species, 236, 237. 



an apple insect, 330. 



attack on corn a secondary one, 235 



bibliographj', 232. 



collecting the larvse after rain, 238 



common name of, 233. 



corn-bug, alarm excited by, 233. 



description and figure of, 234. 



English sparrow precedes the corn-bug, 

 235. 



first notice of corn-bug, 235. 



grass injured by an allied species, 238. 



habits of allied species, 234. 



hand-picking the beetles, 238. 



injurious to apple-trees, 237. 



preventives of attack, 238. 



probably injurious to roots of plants 237. 



synonymy, 232. 



time of appearance, 236. 



unusual injury from, 235. 

 indigenella, Phycis, 329. 

 inermis, Stictocephalus, 284. 

 intirma, Orthodes, 340. 

 inimica, Cecidomyia, 321. 

 Injuries to the beet crop in England, 206. 



to corn from the corn-worm, 121. 

 Injurious Coleopterous Insects, 227-263. 



Dipterous Insects, 168-227. 



Hemipterous Insects, 264-288. 



Insects New and Little Known (Pack- 

 ard), cited, 17. 



Lepidopterous Insects, 81-167. 

 innumerabilis. Coccus, 301. 



Pulvinaria, 301, 309, 310. 

 inornata, Smilia, 284. 

 Inquilines, 161. 



inqumatellus, Crambus, 150. > 



inquisitor, Pimpla, 84. 

 Insect acuteness shown in oviposition, 67. 



attraction, 70-73. 



collection in the National Museum, 24. 



collections being made, 15. 



collections, pests of, 162. 



depredations, extent of, 2. 



depredations increased by large crops, 10. 



depredators upon the apple-tree, 321. 



distribution, 2. 



fecundity, 13, 14. 



losses, 3, 5, 8. 



oviposition by smell, 67. 

 Insects, aggregate annual losses from, in 

 the UnHed States, 8. 



complicated histories of, 14. 



destroyable by Paris green, 32. 



destroying plant-lice, 302. 



diverse habits of, 14. 



driven to wild food-plants, 76. 



encouraged by plant cultivation, 3. 



extermination of, not sought, 76. 



Insects,imbedded in the interior of wood, 304. 



immense number of, 12, 13. 



importation of injurious, 8. 



increased destructiveness of, 9. 



infesting sheep and other domestic ani- 

 mals, 299. 



Injurious to Forest and Shade Trees 

 (Packard), 18, 81, 87. 



Injurious to Gardens (Kollar), 172, 174. 



Injurious to Wheat Crops (Hind), 221. 



introduced, why more injurious, 10. 



ill vegetable organisms, 2. 



location of organs of smell in, 69. 



necessity of knowing their habits, 14. 



number of described species, 13. 



number of undescribed species, 13. 



of Algiers for the State Agricultural 

 Society, 301. 



of cereals and grasses, 3. 



of garden vegetables, 3. 



of the apple-tree, 3, 4, 327-332. 



of the grape-vine, 3. 



of the oak, elm and walnut, 3. 



of the pine, 3. 



of the plum, pear, peach and cherry, 3. 



probable number of species, 13. 



smelling organs of, 69. 



undue multiplication of, 76. 

 Insecticidal properties of hellebore, writings 

 upon, 43. 



properties of pyrethrum, writings upon, 

 40. 

 Insecticides, 25-55. 



bisulphide of carbon, 47, 48. 



carbolic acid, 47. 



coal-tar, 50-52. 



gas-lime, 52-55. 



hellebore, 40-43. 



kerosene, 43-45. 



London purple, 34-36, 



paraffine oil, 46, 47. ' 



Paris green, 25-34. 



pyrethrum, 36-40. 



soluble phenyle, 48-50. 

 instabilis, Orthosia, 328. 

 Instinct of insects, 68. 

 integerrima, Datana, 328. 

 interpunctella, Ephestia, 8. 

 lo, Hyperchiria, 72, 328. 

 Iowa Homestead, cited, 99. 



moving for a State entomologist, 21. 



State Agricultural College, 69. 

 Ips fasciatus, 330. 

 iricolor, Serica, 330. 

 iridella. Tinea, 308. 

 Iridescent Serica, 330. 

 irritans, Pulex, 62. 

 irroratus, Jassus, 331. 

 ischiaca, Anthomyia, 195. 

 Isis cited, 151. 

 Ithycerus Noveboracensis, 300, 331. 



J. 



Jarring remedy, 231, 280. 

 Jassus irroratus, 331. 

 Jenkins, Dr., insects from, 313. 

 Jewett, Dr. H. S., on delaved pupation, 137. 

 Johnson, B. P., 291, 292, 293, 310, 313. 

 Johnson, Judge, on corn-worm, 120. 

 Johnson, [L.], on corn-worm, 116. 

 Johnston, Prof. F. W., analysis of gas-lime, 

 55, 



