The Natural History of Flies |
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Page 86
... stage of their life - history , on which depends so much the success or failure of the subsequent lar- val life , mosquitoes are still actively adapting themselves , and are in a flexible stage of evolution . - Once these eggs have been ...
... stage of their life - history , on which depends so much the success or failure of the subsequent lar- val life , mosquitoes are still actively adapting themselves , and are in a flexible stage of evolution . - Once these eggs have been ...
Page 152
... stage larva that moults immediately after hatching from the egg , and a second - stage larva that takes no food ; the third - stage has been suppressed , and the whole larval life lasts only from a few minutes to one hour , according to ...
... stage larva that moults immediately after hatching from the egg , and a second - stage larva that takes no food ; the third - stage has been suppressed , and the whole larval life lasts only from a few minutes to one hour , according to ...
Page 216
... stages in the development of a primary strike , the first stage being from hatching up to the time the larvae attack the skin . . . . During this stage they must feed , if at all , on materials already present . The second stage is from ...
... stages in the development of a primary strike , the first stage being from hatching up to the time the larvae attack the skin . . . . During this stage they must feed , if at all , on materials already present . The second stage is from ...
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