INDEX 



277 



Imago, 2 



Inquiline, 211, 238 



Insecta, general characters, 175-6 



Instar, 35 



Intestine, 234 



of butterfly, 55-6 



of caterpillar, 55, 59 



of dragon-fly, 42, 47 



of fly-maggot, 134, 135 

 Isoptera, 81, 179, 263 



JURASSIC insects, 264, 266-70 



KIDNEY tubes. See " Excretory 

 tubes " 



LABIUM, n 

 of aphid, 71 

 of Bibio larva, 128 

 of butterfly, 54 

 of capsid bug, 78 

 of caterpillar, 57 

 of Coleoptera, 99 

 of Dascillus larva, 103, 104 

 of dragon-fly, 40, 41 

 of dragon-fly larva, 44-5 

 of flea, 162 

 of grasshopper, 10, 11 

 of ground-beetle larva, 100, 101 

 of longhorn -beetle larva, 113 

 of moth, 57 



of Psylliodes larva, 112, 113 

 of saw-fly larva, 125 

 of Sialis larva, 119 

 of weevil larva, 114, 115 

 Lacewing-fly. See " Planipennia 

 Lachomyrmex, 241 

 Ladybird. See " Coccinella " 

 Lampyris. See " Glow-worm " 

 Larva, 2 



campodeiform, 99 



eruciform, no 



feeding habits, 204-30 



glochidium, 248 



nauplins, 246 



onisciform, 105 



primitive insect, 252-5, 261 



sub-eruciform, 123 



trochophore, 245 



veliger, 248 



zooea, 247 



of Aleyrodes, 86, 87 



of Anopheles, 198, 199 



of butterfly, 56-61 



of Chironomus, .190-92 



of Coccidae, 88-gi 



of Coccinella, 10910 



of Coleoptera, 98-118 



Larva of Crustacea, 246-7 



of Dascillus, 102-6 



of dragon-fly, 3, 43, 44-50 



of flea, 161, 162 



of gnat, 195-7. - z "9 ( 5 



of leaf -beetle, no, 112-13 



of ground-beetle, 99-101 



of Helodes, 104-6 



of Mantispa, 121 



of may-fly, 93-7, 253 



of Muscoids, 130-6 



of Platygaster, 224-5 



of Psychopsis, 119-21 



of saw-fly, 125, 203 



of Simulium, 193-4 



of Tipula, 129-30 



of weevil, 114-15 



" Larvipositor," of Compsilura, 221 

 Leaf-beetle. See " Phyllodecta," 



" Psylliodes " 



Leather-jacket grub. See " Tipula " 

 Lebia, 257 

 Lecanium, 229 

 Leg, 13, 14 



development in Endopterygota, 



152 



of Aleyrodes, 87 

 of aphid, 74 

 of bristle-tail, 168, 1 70 

 of butterfly, 55 

 of caddis larva, 122 

 of caddis pupa, 14 1, 142 

 of capsid bug, 78 

 of cephid larva, 126 

 of chafer larvae, 111-12 

 of Dascillus larva, 102 

 of dor-beetle larva, in 

 of dragon-fly and larva, 41, 44 

 of flea, 162 

 of grasshopper, 13 

 of ground-beetle larva, 100, 101 

 of longhorn-beetle larva, 113 

 of louse, 156 

 of Passalidae, in 

 of Psychopsis larva, 119 

 of Psylliodes larva, 112, 113 

 of saw-fly larva, 125 

 of Sialis larva, 119 

 of wireworm, 108 

 Lepidoptera, 52-65, 184-5, 204, 



252-3 



caterpillar, 2, 56-63, 123-4 



primitive types, 267, 268-9 



prolegs, 58, 123-4 



pupa, 61, 62-4, 139, 140, 259 

 Libellulinae, 41 

 Lipoptera, 164 

 Lithobius, 247 



Longhorn beetle. See " Ceram- 

 bycidae " 



