The Natural History of Flies |
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Page 102
... bloodsucking because they have no means of piercing the skin . The bloodsucking groups in contrast , have flourished . One small group of the family has apparently ceased to feed alto- gether in the adult stage . They are a few small ...
... bloodsucking because they have no means of piercing the skin . The bloodsucking groups in contrast , have flourished . One small group of the family has apparently ceased to feed alto- gether in the adult stage . They are a few small ...
Page 110
... bloodsucking is a declining practice in this family . If Downes ' view is to be accepted , then bloodsucking is a primitive habit , and its loss an evolutionary advance , and this is supported by the sporadic way in which it persists ...
... bloodsucking is a declining practice in this family . If Downes ' view is to be accepted , then bloodsucking is a primitive habit , and its loss an evolutionary advance , and this is supported by the sporadic way in which it persists ...
Page 303
... bloodsucking by Brachycera , 247 by calyptrates , 248 - by horse - flies , 101 - - by Pyschodidae , 53 – by pupipara , 230 by tsetse - flies , 209 bloodsucking flies , 11 , 14 , 201 , 202 , 280 and Man , 242 and poliomyelitis , 248 ...
... bloodsucking by Brachycera , 247 by calyptrates , 248 - by horse - flies , 101 - - by Pyschodidae , 53 – by pupipara , 230 by tsetse - flies , 209 bloodsucking flies , 11 , 14 , 201 , 202 , 280 and Man , 242 and poliomyelitis , 248 ...
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