Index 



Ephemeroptera, 6, 12 



Eristalis, 115 



eruciform larvae, 56; Fig, 33 



evolution of insects, no 



exarate pupae, 57 



excretion, 41, 47 



Exopterygota, 6, 9 



exoskeleton, i 



eyes, 26, 58; Figs. 14, 15, 36, 69, 70 



facts of eye, 58; Figs. 36, 69, 70 



Fannia larvae, 113 



feeding, 41 



feelers (antennae), 3, 26 



femur, 27; Fig. 14 



Fiji, Coconut Moth in, 124 



filariasis, 128 



firebrat, 4, 9 



flea-hopper of cotton, 122 



fleas, 4, 21, 128; Figs. 17, 55, 56 



breeding of, 48, 94 

 flesh-fly. Fig. 53 

 flies, 20 

 flight of insects, 78 



speed of, 84 

 flowers, fertilisation by insects, 



lOI 



foot, 29 



forceps, of earwigs, 12 



formic acid, 22 



fossorial insects, in 



frequency of wing-beat, 82 



frenulum, 19 



frog-hoppers, 16 



frost, effect on insects, 93 



fruitflies, 20 



fulgorid bugs, 114 



furcula, 75 



gad-flies, 127 



galea, 44 



galls, 22 



gall-wasps, 22 



ganglia, 32 



generalised insects, 4 



genitalia, 30 



geometrid larva, 73; Fig. 39 



Gerridae, 76 



Giant Hornet, 100 



Giant Water Bugs, 115 



gills, 12, 13, 41, 113; Figs. 22-24 



gizzard, 30 



Goliath Beetle, 25 

 Goniops chrysocoma, 95 

 grain-beetles. Fig. 74 

 grasshoppers, 10, 119; Figs. 14, 25a 



flight of, 81 



'song' of, 65 

 Great Silver Water Beetle, 115 

 gregarious phase of locusts, 89 

 ground-beetles. Figs. 64, 65 

 grubs, 21 



Grylloblattodea, 12 

 Gryllotalpa, in 

 Gyrinidae, 25 



Haliplidae, 115 

 halteres, 20, 82 

 hamuli, 81 

 harmful insects, 119 

 hawk-moth. Fig. 35 

 head, 3, 26; Figs. 14-16 

 hearing, organs of, 62 

 heart, 30 



Hemerobiidae, 16 

 Hemimerus, 12 

 Hemimetabola, 6 

 Hemiptera, 15 



flight of, 81 

 Heteroptera, 15 



feeding of, 42 

 Holometabola, 7 

 Homoptera, 16 



feeding of, 42 

 honey-bee, 103, 130 



comb, 103 



dew, 107, 122 

 Hornet, 100 

 horntails, 22 



horseflies, 20; Figs. 25, 70 

 housefly, 20 

 hoverflies, 20; Fig. 49 

 Human Louse, 15, 128 

 hydrofuge hairs, 39 

 Hydrometridae, 76 

 Hydrophilidae, 25 

 Hydrophilusy 115 

 Hymenoptera, 21 



feeding of, 44 

 Hyperechia, 117; Fig. 72 

 hypermetamorphosis, 56 

 hyperparasites, 22 



135 



