The Natural History of Flies |
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Page 62
... blood - gills , which are believed mainly to adjust the balance of salts in the blood in relation to the surrounding water . As a final refinement of adaptation , some Chironomid larvae have a red pigment in the blood containing ...
... blood - gills , which are believed mainly to adjust the balance of salts in the blood in relation to the surrounding water . As a final refinement of adaptation , some Chironomid larvae have a red pigment in the blood containing ...
Page 66
... blood , and not those of every species , while many of the bloodsuckers prefer the blood of birds to that of mammals or of man . They are called ' turkey - gnats ' because Simulium occidentale transmits a blood parasite of turkeys , and ...
... blood , and not those of every species , while many of the bloodsuckers prefer the blood of birds to that of mammals or of man . They are called ' turkey - gnats ' because Simulium occidentale transmits a blood parasite of turkeys , and ...
Page 209
... blood of vertebrates , mam- mals , birds , and reptiles , and they feed from a living host . Occa- sionally they may probe recently killed animals , but apparently they do not take blood from open wounds , as the horse - flies do . Nor ...
... blood of vertebrates , mam- mals , birds , and reptiles , and they feed from a living host . Occa- sionally they may probe recently killed animals , but apparently they do not take blood from open wounds , as the horse - flies do . Nor ...
Contents
THE PATTERN OF FLIES 3 | 3 |
THE LIFEHISTORY OF FLIES | 12 |
Part | 27 |
Copyright | |
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abdomen able actively adapted adult adult flies African already animals appearance aquatic areas attack attracted become birds biting blood body breed called carnivorous carried cause Chapter close common countries crane-flies developed difficult disease effect eggs emerge evolution evolved example eyes fact feeding female Figure flies flight flowers genera genus give gnats habit habitats head horse-flies host human insects interesting known larvae later leaves legs less live look males mass materials mating mentioned midges mosquitoes move natural nearly nests occur organic parasites particularly perhaps plants present prey primitive probably proboscis pupae recent rest robber-flies round seems seen similar skin soil sometimes species spiracles stage structure suck suggests surface swarms tion tissues tropical true usually vegetation wings