The Natural History of Flies |
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Page 211
... tion is painfully slow compared with that of Musca or Stomoxys . Survival depends on keeping down wastage far below that of most flies , which , as we have seen in the house - fly , are extravagantly pro- lific . Given settled ...
... tion is painfully slow compared with that of Musca or Stomoxys . Survival depends on keeping down wastage far below that of most flies , which , as we have seen in the house - fly , are extravagantly pro- lific . Given settled ...
Page 281
... tion with 150,000 million females we add sterile but potent males in the proportion of , say , five to every one native male . Since a native female has only a one - in - six chance of fertile impregnation , the next generation should ...
... tion with 150,000 million females we add sterile but potent males in the proportion of , say , five to every one native male . Since a native female has only a one - in - six chance of fertile impregnation , the next generation should ...
Page 288
... tion of the family . Trans . ent . Soc . Lond . 73 : 505-670 71 . 72 . 73 . ( 1926 ) On marine Chironomidae , with descriptions of a new genus and four new species from Samoa . Proc . zool . Soc . Lond . 1926 : 779-806 ( 1929 ) British ...
... tion of the family . Trans . ent . Soc . Lond . 73 : 505-670 71 . 72 . 73 . ( 1926 ) On marine Chironomidae , with descriptions of a new genus and four new species from Samoa . Proc . zool . Soc . Lond . 1926 : 779-806 ( 1929 ) British ...
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