INDEX 



Cockroaches, similarities to termites, 

 189 



Colony and individual in evolution, 

 145-6 



Comb of wasps, 46 



Common wasp, 46 



Communication: in ants, 146; in 

 honey bees, 11 2- 17 



Compass termites, 171 



Co-operation in insects, 204-5 



Cuckoo bees and wasps, 152-7; evo- 

 lution of, 156 



Cumber, 89, 90, 92, 95, 155 



Cyprus, hornets in, 56 



Dances of bees, 1 1 1 



Darwin, 84, 119 



Degeneration in parasitic ants, 163 



Deleurance, 54, 60, 61, 64 



Digestion in termites, 176 



Direction, indication of, by honey 



bee, 116 

 Diver, 165 

 Division of labour: in honey bee, in; 



in humble bee, 92; in wasps, 52 

 Dogs, social insects more interesting 



than, 209 

 Dolichoderus, 69 

 Dominance in Polistes, 62 

 Driver ants, 67-8, 125 

 Ducke, 66 

 Duncan, 55 

 Dung beetles, 35 



Earwig, 35 



Egg eating: in ants, 145; in termites, 



175; in wasps, 55 

 Egg production: in grain weevil 



(group effect), 186; honey bee, 105; 



humble bee, 87; legionary ant, 127; 



Polybia, 71; termites, 179-80 

 Embiids, 34, 203 

 Envelopes of wasps, 46 

 Ethics, origin in social behaviour, 205 

 Eumenid wasps, 44 



Fabre, 35, 206 

 Farquharson, 152 



Fire ant: see Solenopsis 

 Food and social life, 197-200 

 Formica fusca: as host of F. rufa, 139; 



as slave, 159, 162 

 Formica rufa (wood ant): colony 

 foundation, 139; food, 124; host of 

 Formicoxenus, 163; parasitism by, 

 158; variation of workers in size, 

 139 

 Formica sanguinea (blood-red ant), 



159 



Formicoxenus nitidulus, 163 

 Fraenkel, 21 

 Frisch, von, m-17 

 Froggatt, 125 



Fungus: cultivated by leaf-cutting ants, 

 133; cultivated by termites, 175 



Gaul, 32, 52 



Genetic theories of castes, 100, 140 



Geotrupes typhoeus, 35 



German wasp, 46 



Goedart, 87 



Goetsch, 141 



Grain weevils, egg-laying, 186 



Grass seeds: collected by ants, 131; by 



termites, 175 

 Grasse, 182, 183 

 Grassi, 209 

 Gregg, 141 

 Group effects, 186-7 

 Growth in insects, 22 

 Gynandromorphs, 144 



H 



Habituation, 28 



Halictus, 79-82 



Harvesting ants, 130-2 



Haskins, 208 



Hearing in insects, 18 



Hereditary castes in stingless bees, 



100 

 Hibernation: in humble bees, 84-5; 



in wasps, 40 

 Himmer, 50 

 Hingston, 124, 125, 128 

 Hives of stingless bees, 98 

 Hoffer, 87, 115 

 Honey: see Nectar 

 Honey bee (Apis mellifera): absence of 



cuckoo species, 168; castes, 105; 



2l6 



