The Natural History of Flies |
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Page 123
... robber - fly would take wing and fly in a straight line along the edge of the path , and then settle again . If I stayed in one place it would return periodically in its ... robber - flies and their victims are often seen 123 ROBBER - FLIES.
... robber - fly would take wing and fly in a straight line along the edge of the path , and then settle again . If I stayed in one place it would return periodically in its ... robber - flies and their victims are often seen 123 ROBBER - FLIES.
Page 124
... robber - flies specialize in certain kinds of victim . Certain tendencies can be detected , but must not be ex- aggerated . For instance , robber - flies of the distinct genus Dioctria of the North Temperate Zone show a preference for ...
... robber - flies specialize in certain kinds of victim . Certain tendencies can be detected , but must not be ex- aggerated . For instance , robber - flies of the distinct genus Dioctria of the North Temperate Zone show a preference for ...
Page 127
... flies possessing them are nearly related . If that is so , the method and site of egg - laying must also have been an ancestral one , and so these flies must be one group of earth - breeding robber - flies . Moreover , a very similar ...
... flies possessing them are nearly related . If that is so , the method and site of egg - laying must also have been an ancestral one , and so these flies must be one group of earth - breeding robber - flies . Moreover , a very similar ...
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