The Natural History of Flies |
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Page 14
... fly really gains an ascendancy over its rivals : this is true of flies as different as crane- flies and blow - flies . On the other hand in predaceous flies such as robber - flies the adult stage is the highly competitive one , and the ...
... fly really gains an ascendancy over its rivals : this is true of flies as different as crane- flies and blow - flies . On the other hand in predaceous flies such as robber - flies the adult stage is the highly competitive one , and the ...
Page 24
... adult flies almost always emerge into the air and avoid being wetted . Some black - flies of the family Simuliidae , the most completely aqua- tic of flies , actually emerge as adults under water , swim to the surface , and fly off ...
... adult flies almost always emerge into the air and avoid being wetted . Some black - flies of the family Simuliidae , the most completely aqua- tic of flies , actually emerge as adults under water , swim to the surface , and fly off ...
Page 73
... adult flies because in both families the wings have many folds or creases that look like supernumerary veins . It is not certain whether the two families are really closely related , or whether they may not have reached their present ...
... adult flies because in both families the wings have many folds or creases that look like supernumerary veins . It is not certain whether the two families are really closely related , or whether they may not have reached their present ...
Contents
THE PATTERN OF FLIES 32 | 3 |
THE LIFEHISTORY OF FLIES | 12 |
CRANEFLIES | 29 |
Copyright | |
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abdomen acalyptrate actively adapted adult flies African Agromyzidae animals appearance aquatic larvae Asilidae attack bats bee-flies bees behaviour biological birds biting black-flies blood bloodsucking blow-flies body Bombyliidae Brachycera breed Calliphora carnivorous Cecidomyiidae Chapter Chironomidae Chloropidae Chrysops crane-flies Cyclorrhapha decaying developed Diptera disease Dolichopodidae dung egg-laying eggs emerge Empididae Empids Ephydridae evolution evolutionary evolved eyes families of flies female flight flowers genera genus gnats habit habitats head Hippoboscidae horse-flies host hover-flies hovering insects known large numbers larvae larvae feed larvae live legs Lucilia maggot males mammals mandibles mating midges mosquitoes mouthparts Muscidae Mycetophilidae Nematocera nests non-biting Nycteribiidae organic oxygen parasites perhaps Phorids piercing plants prey primitive proboscis pupae pupal pupate robber-flies seen Simulium skin soil sometimes species spiracles stage Stratiomyidae Streblidae sub-family suck surface swarms Syrphid Syrphidae Tabanidae Tabanus terrestrial thorax tion tissues tropical Trypetidae tsetse-flies vegetation wasps wings