The Natural History of Flies |
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Page 23
... pupa . This is usually a quiescent stage , though the pupae of many mosquitoes swim actively , and Hinton [ 134 ] showed that the pupa of the black - fly Simulium both feeds and spins a cocoon . But these are exceptional activities . The ...
... pupa . This is usually a quiescent stage , though the pupae of many mosquitoes swim actively , and Hinton [ 134 ] showed that the pupa of the black - fly Simulium both feeds and spins a cocoon . But these are exceptional activities . The ...
Page 94
... pupae may do the same . Just before the adult emerges , the pupa breaks away , leaving the tips of the trumpets still embedded in the plant . A fascinating sidelight on the ways of evolution is presented by the way in which the pupa ...
... pupae may do the same . Just before the adult emerges , the pupa breaks away , leaving the tips of the trumpets still embedded in the plant . A fascinating sidelight on the ways of evolution is presented by the way in which the pupa ...
Page 105
... pupae . Most horse - fly pupae are to be found in more or less dry soil , round the edges of ponds , or further afield . These terrestrial pupae are very easily drowned , and one of the methods of controlling Chrysops when it breeds in ...
... pupae . Most horse - fly pupae are to be found in more or less dry soil , round the edges of ponds , or further afield . These terrestrial pupae are very easily drowned , and one of the methods of controlling Chrysops when it breeds in ...
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