The Natural History of Flies |
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Page 255
... disease , and in fact they were the earliest kinds of flies that were suspected of doing so . In the biblical ... disease . When contagious disease is rife the flies must certainly help to spread it more quickly . ' Swat that fly ' is ...
... disease , and in fact they were the earliest kinds of flies that were suspected of doing so . In the biblical ... disease . When contagious disease is rife the flies must certainly help to spread it more quickly . ' Swat that fly ' is ...
Page 256
Harold Oldroyd. disease , even as mechanical agents : whether in fact we can really say that the flies ' cause ' the disease . We have to give a qualified reply . The whole question of the relation between non - biting flies and disease ...
Harold Oldroyd. disease , even as mechanical agents : whether in fact we can really say that the flies ' cause ' the disease . We have to give a qualified reply . The whole question of the relation between non - biting flies and disease ...
Page 257
... disease . All this made it seem very likely that the flies might spread the disease . Yet by chance an outbreak of polio occurred in Hidalgo County , Texas , at the very time when experiments in fly - control were in progress , and ...
... disease . All this made it seem very likely that the flies might spread the disease . Yet by chance an outbreak of polio occurred in Hidalgo County , Texas , at the very time when experiments in fly - control were in progress , and ...
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