466 



INDEX. 



Epidemics among insects, 45. 

 Epilachne borealis, 175. 



corrupta, 175. 

 Epipharynx, function of, 15, 43. 

 Epitrix, 219. 

 Eriocampa cerasi, 372. 

 Eristalis tenax,348, 350. 

 Erotylidae, 175. 

 Erythroneura vitis, 148. 

 Euchromia ipomasas, 264. 

 Eucleidas, 271. 

 Eumenes, nests of, 404. 

 Euphoria inda, 204. 

 Euplexoptera, 79. 

 Eupogonius, 209. 

 Eurycreon rantalis, 311. 

 Eyes, compound, 22. 



of insects, 41. 



Fall army-worm, 297. 



plowing, effect of, 425. 



web-worm, 266. 

 Family, defined, 52. 

 Farm practice to prevent in.sect attack, 



423- 

 Feather-wing moths, 318. 

 Feeding habits, how determined, 14. 

 Feelers are antennae, 19. 

 Femur, defined, 26. 

 Fenesica tarquinius, 246. 

 Fertilizers as insecticides, 427. 

 Fidia viticida, 211. 

 Filicornia, defined, 165. 

 Filiform antennae, 21. 

 Fire-flies, described, 190 

 Fish-moth, 53, 56. 



-oil soap, use and formula, 447. 

 Flat-head borers, 185. 

 Flax-seed stage of Hessian fly, 336. 

 Flea-beetles, 219. 

 Fleas, described, 328. 

 Flesh-fiies, 356. 

 Flies, chapter on, 327. 

 Flower-beetles, 192. 



-flies, 347. 

 Fly, experiments with, 41. 

 Foraging ants. 399. 

 Forficulidas. defined, 79. 

 Formicidas, 391. 



Fossores, 399. 

 Four-lined plant-bug, 156. 

 Fowls, aff"ected by lice, 71. 

 Frog-hoppers, 146. 

 Fruit bark-beetle, 238. 

 Fulgoridae, defined, 146. 

 Fuller's rose-beetle, 228. 

 Fumigating apparatus, 458. 

 Funicle of antenna, 22. 

 Fungus diseases of insects, 418, 422, 

 gnats. 334. 



Galeruca xanthomelaena, 217. 

 Gall-flies, 376. 



-gnats, 336. 



-lice, described, 132. 

 Galls, ink from, 378. 

 Galleria melonella, 316. 

 Ganglia, described, 39. 

 Garden web-worm, 311. 

 Gas sprayer, 457. 

 Gas-tar as an insecticide, 431, 453. 

 Gasoline as an insecticide, 451. 

 Gastrophilus equi, 351. 

 Geared machines, 457. 

 Gelechia cereallella, 326. 

 Geniculate antennae, 22. 

 Genus, defined, 52. 

 Geometridas, 307. 

 Geotrypes, 198. 

 Gills, of aquatic insects, 37. 

 Gizzard, described, 30. 

 Glow-worms, 190. 

 Gnats, 334, 340. 

 Goat-moths, 286. 

 Goldsmith beetle, 202. 

 Gouty gall on blackberry, 186. 

 Grain-weevils, 237. 

 Grape, American Procris on, 264. 



chafers on, 202. 



8-spotted forester on, 263. 



flea-beetle, 219. 



leaf-hopper. 148. 



phylloxera, 128. 



plume-moth, 318. 



Pyrophila on, 299. 



-root-worm, 206, 212. 



-slug, 373. 

 Grapta comma, 244. 



