INDEX 



Honey bee — continued 



determination of castes, 107; dis- 

 tance flown, no; division of labour, 

 in; drones, 106-7; language and 

 dances, 1 12-17; nuptial flight, 106; 

 relation to flowers, 109—10; relatives 

 of, 103; substances used by, no; 

 swarming and supersedure, 108 



Honey-pot ants, 129 



Hornet: in Cyprus, 56; effect of heating 

 nest, 51; in England, 57 



Humble bees, (Bombus), 83; cuckoo, 

 see Psithyrus; and flowers, 93-5; 

 hibernation, 84-5, 92; nest site, 

 83-4; nest size, 88; pairing, 87; sting 

 83; tropical, 95 



Humboldt, 178 



Hunting wasps, 40 



Ichneumon wasps, 34, 42 

 Ihering, von, 66 

 Insight learning, 3 1 

 Instinctive behaviour, 25 

 Intersex, 144 



J 



Jet black ant: see Lasius fuliginosus 



Labauchena, 158 



Language: see Dances and Com- 

 munication 



Larva: definition, 24; in termites, 180 



Lasius flavus (common yellow ant), 

 120, 199; variation in worker size, 

 139 



Lasius fuliginosus (jet-black ant), 148 



Lasius niger (common black ant), 

 148 



Leaf-cutting ants, 132-44, 199 



Learning, 27; unimportance of, in 

 insects, 197 



Legionary ants, 125; nature of queen, 

 139 



Leptogenys, 122 



Leptothorax, 142 



Light, 185 



Lobopelta, 125 



Locust: see Migratory locusts 



Longevity of queen: essential to social 



life, 196; in termites, 188 

 Lubbock, 122 



M 

 Macgregor, 149 

 Mason bee, 76 

 Mass provisioning, 44 

 Mastotermes, 179, 189 

 Maternal care, 34, 193 

 McCook, 132 

 Mealybugs, 121 

 Melipona, 96 

 Membracids, 129 

 Metamorphosis, 24 

 Migratory locusts, effects of crowding 1 -, 



187 

 Miller, 183 

 Monkshood, 93 

 Moulting: in insects, 22; in termites, 



182 

 Myrmecia (bull-dog ant), 125 

 Myrmica (red ant), 128, 130, 137; 



scent trails, 149 

 Myrmica rubra, 138, 142 



N 



Nasute termite, 181 



Nectar: collection by honey bee, 109; 

 collection by wasps, 63, 70; ex- 

 ploitation of, 198 



Newman, 84 



Nixon, 56, 156 



Noirot, 183 



Noll, 81 



Norwegian wasp, 56 



Nuptial flight: of honey bee, 99; of 

 humble bees, 89; of stingless bees, 

 99; of termites, 173 



Nuptial promenade, 173 



Nymph: definition, 24; of termites, 180 



Oecophylla, 121, 124, 135-6 

 Okland, 124 

 Osmia: see Mason bee 

 Oviposition, provoking jealousy in 

 queen, 38 



217 



