The Natural History of Flies |
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Page 3
... adapted the second pair of wings , now disused for flight , into halteres , knobbed organs which act as gyroscopic stabilizers during flight , and which can be seen in plate 2a . When the true wings are missing the halteres are often ...
... adapted the second pair of wings , now disused for flight , into halteres , knobbed organs which act as gyroscopic stabilizers during flight , and which can be seen in plate 2a . When the true wings are missing the halteres are often ...
Page 112
... adapted for aquatic life , with eight well - developed prolegs on the abdominal segments , and a pair of pointed processes , with long hairs , at the tip of the body . Figure 19. Larva of the Rhagionid fly Atherix , another type of ...
... adapted for aquatic life , with eight well - developed prolegs on the abdominal segments , and a pair of pointed processes , with long hairs , at the tip of the body . Figure 19. Larva of the Rhagionid fly Atherix , another type of ...
Page 120
... adapted to the demands of the life they lead ; whereas others , including almost all of the more recently evolved families , like the house - flies and blow- flies , have a generally utilitarian shape that is suitable for any way of ...
... adapted to the demands of the life they lead ; whereas others , including almost all of the more recently evolved families , like the house - flies and blow- flies , have a generally utilitarian shape that is suitable for any way of ...
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