Caddis-flies sentence example

caddis-flies
  • 2, II), while in moths and caddis-flies they are reduced to mere vestiges or altogether suppressed.
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  • In some midges and in caddis-flies the serosa becomes ruptured and absorbed, while the germ band, still clothed with the amnion, grows around the yolk.
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  • Includes the caddis-flies.
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  • Although caddis-flies are sometimes referred to several families, the differences between the groups are of no great importance.
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  • The above sketch may be regarded as descriptive of the lifehistory of a great majority of species of caddis-flies.
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  • Caddis-flies are universally distributed.
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  • As first used by Linnaeus (1735) it included all insects with mandibulate jaws and two pairs of net-veined wings - dragon-flies, May-flies, stone-flies, lacewing-flies and caddis-flies - and it has been employed in the same wide sense by D.
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  • The other groups of the old Linnean order (such as lacewing-flies and caddis-flies)--which are hatched as larvae markedly unlike the parent, develop wing-rudiments hidden under the larval cuticle, and only show the wings externally in a resting pupal stage, passing thus through a " complete " metamorphosis and falling into the sub-class Endopterygotawere retained in the order Neuroptera, which thus became much restricted in its extent.
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  • More recently the subdivision of the Linnean Neuroptera has been carried still further by the separation of the caddis-flies and scorpion-flies as distinct orders (Trichoptera and Mecaptera respectively), and by the withdrawal of the " Pseudo-neuroptera " from the Orthoptera - with whose typical families they have little in common - and their division into a number of small orders.
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  • And no student can doubt that the stone-flies are akin to Orthoptera and the caddis-flies to the Lepidoptera, while dragon-flies and May-flies stand in an isolated position with regard to all other insects.
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  • The caddis-flies (q.v.) constitute this order, the name of which (suggested by H.
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  • mayflylso supports a diverse invertebrate fauna including mayflies, stone and caddis flies and mollusks.
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