338 



INDEX AND GLOSSARY 



. Hemiptera, 183-189, 284, 292- 

 294. 



Herbert on fertilization of 

 plants, 95. 



Hesperidse, 294. 



Hessian fly, 330. 



Heteroptera, 184, 185, 292. 



Hexapoda, definition of, 283. 



Hildebrand, on fertilization of 

 alfalfa blossoms, 106, 107. 



Home-making, of insects, 91, ( J2. 



Homoptera, 185-189, 293. 



Honey-bee, 61; friend of the 

 horticulturist, 131 ; visiting 

 pear blossom, 98 ; life history 

 of, 73-81. 



Honey-dew, 83. 



Hopperdozer, plan of, 140. 



Horn-flies, 290; of cattle, 322. 



Hornets, 85, 291. 



Horns, protective, of caterpil- 

 lar, 17. 



Horse-flies, 928. 



House ants, 153. 



House-fly, 147, 147, 299; life 

 history of, 196; laboratory 

 exercises on, 244, 245. 



House plants, insect enemies of, 

 322. 



Hover-flies, 299. 



Huber's experiments with ants, 

 82. 



Humming-bird moth. 193, 296. 



Uydropliilus, haunt of, 192. 



Hydrobatidse, 292. 



Hydrophilidse, 289. 



Hydrophilus triangutaris, 189. 



Hymenoptera, 198; plant-eat- 

 ing, 198, 199; parasitic, 132, 

 199-201; stinging, 201, 284, 

 290, 291. 



Hyphantria cunea, 311, 323. 

 Hypopharynx, 260. 



Ichneumon-fly, 290. 



Ichneumoiiida}, 290. 



Incisalia augustus, 205. 



Incomplete metamorphosis, 1. 



Injurious insects and modes of 

 treatment, 309-331. 



Insects, injurious, 309-331 ; ar- 

 rangement of, 235 ; enemies of 

 man, 154-158; friends of 

 man, 158-161. 



Insecticides, 303. 



Instinct, 89-93; limitations of, 

 92. 



Instinct and reason, 93. 

 Interrogation butterfly, 195; 



the larva of, 49 ; pupa of, 50, 



51. 



Jassida?, 293. 



Jumping plant-lice, 294. 



June-bug, 288, 323. 



Kalliina paralecta, 56. 



Katydid, 181; mode of produc- 

 ing sound, 45. 



Kermes nivalis, 187. 



pubescens, 188. 



Kerosene emulsion, 305. 



Knight, on fertilization of 

 plants, 95. 



Labium of grasshopper, 259. 

 Labrum of grasshopper. 258. 

 Laboratory, aids in, 251. 

 Lace-bugs, 292. 

 Lace-winged flies, 48, 286. 

 Lachnostcrna fusca, 323. 

 Laeinia of grasshopper, 259. 

 Ladybird, 133, 191, 289. 





