The Natural History of Flies |
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Page 30
... flower - feeding is borne out by the fact that genera that are otherwise only distantly related each have the proboscis drawn out into a long , slender tube , which they use to extract nectar from correspondingly deep , tubular flowers ...
... flower - feeding is borne out by the fact that genera that are otherwise only distantly related each have the proboscis drawn out into a long , slender tube , which they use to extract nectar from correspondingly deep , tubular flowers ...
Page 134
... flowers , making a most beautiful picture , as plate 16 shows . Mac- kerras says of them : ' When feeding , the insect grasps the flower , or the stem just below it , with its legs , and keeps its wings vibrating rapidly , but not as ...
... flowers , making a most beautiful picture , as plate 16 shows . Mac- kerras says of them : ' When feeding , the insect grasps the flower , or the stem just below it , with its legs , and keeps its wings vibrating rapidly , but not as ...
Page 156
... flowers , and after the bees are the most important pollinators . Sometimes they Figure 27. Proboscis of the hover - fly Eristalis , showing the sponge - like pseudo- tracheae at the tip . A flower - feeding type . go too far , like the ...
... flowers , and after the bees are the most important pollinators . Sometimes they Figure 27. Proboscis of the hover - fly Eristalis , showing the sponge - like pseudo- tracheae at the tip . A flower - feeding type . go too far , like the ...
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