The Natural History of Flies |
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Page 3
... flight , into halteres , knobbed organs which act as gyroscopic stabilizers during flight , and which can be seen in plate 2a . When the true wings are missing the halteres are often present . If even these have been lost we can usually ...
... flight , into halteres , knobbed organs which act as gyroscopic stabilizers during flight , and which can be seen in plate 2a . When the true wings are missing the halteres are often present . If even these have been lost we can usually ...
Page 60
... flight is delayed by bad weather , rain or high winds , possibly many of the flies can survive for a few days by keeping still under leaves and stones , and so conserving their limited resources of food and energy . Swarming flights are ...
... flight is delayed by bad weather , rain or high winds , possibly many of the flies can survive for a few days by keeping still under leaves and stones , and so conserving their limited resources of food and energy . Swarming flights are ...
Page 100
... flight . Once the flies are fully hardened they scatter in flight . Mating appears to be preceded by hovering of the male , who is presently joined by a female , and the pair flies off to rest on the vegetation . This is a common ...
... flight . Once the flies are fully hardened they scatter in flight . Mating appears to be preceded by hovering of the male , who is presently joined by a female , and the pair flies off to rest on the vegetation . This is a common ...
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