The Natural History of Flies |
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Page 86
... eggs have been laid they are provided with a perma- nent habitat for the larvae , and development can go on without delay . Eggs that are laid in permanent water hatch as soon as the embryo has developed sufficiently to begin an ...
... eggs have been laid they are provided with a perma- nent habitat for the larvae , and development can go on without delay . Eggs that are laid in permanent water hatch as soon as the embryo has developed sufficiently to begin an ...
Page 126
... eggs , and have developed effective ovipositors with which to do so . Those that just scatter the eggs on the ground are in the majority , and they have only a simple opening for the purpose , sometimes with a downturned flap which ...
... eggs , and have developed effective ovipositors with which to do so . Those that just scatter the eggs on the ground are in the majority , and they have only a simple opening for the purpose , sometimes with a downturned flap which ...
Page 152
... eggs that he had found in excreta of a giant snail , and on the ground near by . There are three larval instars , but larval life is comparatively short , and less than three weeks after egg - laying there hatch stenogastric individuals ...
... eggs that he had found in excreta of a giant snail , and on the ground near by . There are three larval instars , but larval life is comparatively short , and less than three weeks after egg - laying there hatch stenogastric individuals ...
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