Index 



681 



(ichneumon, ichneumon 



fly), 463 



Ichneumonoidea (see Ich- 

 neumonidae), 477 



Ichneumons, 463 



Imaginal discs of Dipter- 

 ous larvae, *47 



Imago (adult) 



Imperial-moth, 426 



Inchwqrm, in protective 

 position, *6o3 



Inchworms, 395 



Indian Cetonia, 276 ; meal- 

 moth, 378 



Inocellia, 233 



Inquilines, 475 



Insect, pinned up, 



Insecta, 3 



Insect-killing bottle, 



Insects, simplest, 52 



Instinct, defined, 636; ex- 

 amples of, 641, 642, 651 



Instincts of ants, 554 



Intelligence, defined, 637; 

 of solitary wasps, 653 



lo Emperor, 424, *425; 



larva of, *426 

 Iphidicles ajax, 449; mar- 

 cellus, 449; telamonides, 



449 

 Ins versicolor, 568 



Isabella tiger-moth, 412 

 Ischnocera (prob. iax v S, 

 ischnus, thin, thread- 

 like; Kepaf, ceras, horn), 

 key to genera of, 118 

 Ischnoptera pennsylvanica, 



*I28 



Isoptera (tffof, isus, equal ; 

 KTEpov, pterum, wing), 



55, 99 



Isopteryx, 73 

 Isosoma hordei, 487 

 Ithobalus a c au d a , 450 ; 



polydamas, 450 



Janus integer, *46s 

 Japanese locust, *i5S 

 Japygidae (Japyx, mythical 



progenitor of Japyges of 



southern Italy), 60, 61 

 Japyx sp., *62 ; subter- 



raneus, *6i 

 Jassidse, Jassus (lassus, a 



town in ancient Caria), 



166, .169 

 Jennings, trial and error 



theory of behavior, 635 



Jerusalem cricket, *i; 



Jigger-flea, 355 

 Jimson-weed, hawk-moth 



posed before, *572 

 Jugatae (jugum, yoke), 



368 



Jugum, 368 



Jumping plant-lice, 171 

 June-bugs, 273, *275 

 Junonia ccema, 455 



Kallima sp., *6or 

 Katydid and eggs of, *i 

 Key, 53 

 Killing-bottle, for collect- 

 ing insects, 635 

 Kissing-bug, 203 



Labels, for collected in- 

 sects, 637 



Labellum, *8 



Labeo longitarsis, *479 



Labia minor, *i62 



Labidura riparia, 162 



Labium (see mouth-parts) 



Labrum (see mouth-parts) 



Lace-bug, hawthorn, 208 



Lace-bugs, 195, 207 



Lace-wing fly, *228 



Lachnostcrna fusca, *275 



Ladybird - beetle, *286 ; 

 Australian, 186, *i87 



Laemobothrium, 119; loo- 

 misi, 122 



Lcertias philenor, 450 



Lagoa crisp at a, 383 



Lake-flies, 65 



Lamellate, *25<j 



Lamellicornia (lamella, 

 thin plate; cornu, horn), 

 251, 272 



Lamp-chimney breeding- 

 cage, *642 



Lampyridse, L a m p y r i s 

 (%d/j.novpif, lampuris, a 

 glow worm), 265, 269 



Lance-tailed grasshopper, 

 "154 



Lantern-flies, 168 



Laphria, 331 



Lappet-moth, American, 



Lappet-moths, 416 

 Largns succinctus, *2io 

 Larridae, Larra (Fabricius, 



derivation unknown), 



500 



Larva, 44 ; coarctate, 291 ; 

 of a phorid fly attached 

 to the larva of the ant, 



*553 



Lasiderma serricorne, 271 



Lasiocampa quercifolia, 

 ommatidia of, *32 



Lasiocampidae, L a s i o - 

 campa (Xdcrtof, lasius, 

 hairy ; icd/Lnri), campe, a 

 caterpillar), 370, 415 



Lasius brunneus, 175, 545 



Lateral (to right or left) 



Leaf-beetles, 277 



Leaf-bug, four-lined, *2O9; 

 predaceous, *2o6 



Leaf-bugs, 195 



Leaf-chafers, 273, 275 



Leaf-cutter bee, nest of, 

 *5i4 



Leaf-hoppers, 169 



Leaf-insects, 132 



Leaf-miners, 375 



Least skipper, 443 



Leather-jackets, 321 



Lebia grandis, 255 



Lecanium olea, 187 



Lecanium scales attacked 

 by Cordyceps clavulata, 

 *i88 



Leg, section of, showing 

 muscles, *5 



Legs of beetles, *25o 



Leistotrophus cingulatus, 

 261 



Lema trilineata, 278 



Lemonias virgulti, 444 



Lens of ocellus of larva of 

 saw-fly, *30 



Leopard-moth, 413 



Lepidocyrtus americanus, 

 *6 4 



Lepidoptera (fams, lepis, 

 a scale; ^rep6v, pterum, 

 wing), 56, 358; life-his- 

 tory of, 360 ; mouth- 

 parts of, 359, *362 ; 

 scales of, their structure 

 and arrangement, 589 



Lepinotus, 113 



Lcpisma saccharina, *58, 

 61, domestica, *62; sp., 

 *62; sp., development of 

 egg of, *40 



Lepismidae, Lepisma 

 (Tii-tta^a, lepisma, scaly), 

 60 ; key to genera of, 61 



Leptidae, Leptis 



