The Natural History of Flies |
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Page 62
... oxygen into the closed tracheal system , and 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 ...
... oxygen into the closed tracheal system , and 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 ...
Page 63
... oxygen equal to nine minutes ' consumption by the resting larva . This pigment appears to serve three purposes , in each case by speeding up the rate of exchange of oxygen : the larva can go on filter - feeding when otherwise low oxygen ...
... oxygen equal to nine minutes ' consumption by the resting larva . This pigment appears to serve three purposes , in each case by speeding up the rate of exchange of oxygen : the larva can go on filter - feeding when otherwise low oxygen ...
Page 188
... oxygen from the intercellular gas spaces of these plants . . . Notiphila loewi larvae regularly depend on these plants for sufficient oxygen to maintain life , and specimens of Hydromyza confluens less frequently do the same ' . The ...
... oxygen from the intercellular gas spaces of these plants . . . Notiphila loewi larvae regularly depend on these plants for sufficient oxygen to maintain life , and specimens of Hydromyza confluens less frequently do the same ' . The ...
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