The Natural History of Flies |
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Page 3
... adapted the second pair of wings , now disused for 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 ...
... adapted the second pair of wings , now disused for 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 ...
Page 112
... adapted for aquatic life , with eight well - developed prolegs on the abdominal segments , and a pair of pointed processes , with long hairs , at the tip of the body . Figure 19. Larva of the Rhagionid fly Atherix , another type of ...
... adapted for aquatic life , with eight well - developed prolegs on the abdominal segments , and a pair of pointed processes , with long hairs , at the tip of the body . Figure 19. Larva of the Rhagionid fly Atherix , another type of ...
Page 120
... adapted to the demands of the life they lead ; whereas others , including almost all of the more recently evolved families , like the house - flies and blow- flies , have a generally utilitarian shape that is suitable for any way of ...
... adapted to the demands of the life they lead ; whereas others , including almost all of the more recently evolved families , like the house - flies and blow- flies , have a generally utilitarian shape that is suitable for any way of ...
Contents
THE PATTERN OF FLIES 3 | 3 |
THE LIFEHISTORY OF FLIES | 12 |
Part | 27 |
Copyright | |
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Common terms and phrases
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