The Natural History of Flies |
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Page 31
... proboscis we shall see a number of these , scattered through the Nematocera and Brachycera - are less well served , because their relatively in- flexible proboscis , while it opens up one source of food to them , actually reduces their ...
... proboscis we shall see a number of these , scattered through the Nematocera and Brachycera - are less well served , because their relatively in- flexible proboscis , while it opens up one source of food to them , actually reduces their ...
Page 157
... proboscis , in the manner of Bombyliidae , and Nemestrinidae , of butterflies and hawk - moths . Lycastris , an Oriental genus , has a very long proboscis of this type , and also has the leading edge of the wing strengthened with a num ...
... proboscis , in the manner of Bombyliidae , and Nemestrinidae , of butterflies and hawk - moths . Lycastris , an Oriental genus , has a very long proboscis of this type , and also has the leading edge of the wing strengthened with a num ...
Page 158
... proboscis is capable of great expan- sion in some Syrphidae , presumably under the pressure of blood . Mr Smith has seen Rhingia extend its proboscis by this means to penetrate into deep flowers such as bluebells . Perhaps the ability ...
... proboscis is capable of great expan- sion in some Syrphidae , presumably under the pressure of blood . Mr Smith has seen Rhingia extend its proboscis by this means to penetrate into deep flowers such as bluebells . Perhaps the ability ...
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