【摘 要】
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Wing polyphenism is an evolutionarily successful feature found in a wide range of insects.Long-winged morphs can fly, which allows them to escape adverse ha
【机 构】
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InstituteofInsectSciences,ZhejiangUniversity,Hangzhou310058,China
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Wing polyphenism is an evolutionarily successful feature found in a wide range of insects.Long-winged morphs can fly, which allows them to escape adverse habitats and track changing resources, whereas short-winged morphs are flightless, but usually possess higher fecundity than the winged morphs.Studies on aphids, crickets, and planthoppers have revealed that the alternative wing morphs develop in response to various environmental cues, and that the response to these cues may be mediated by developmental hormones, although this work has yielded equivocal and conflicting results about exactly which hormones are involved.As it stands, the molecular mechanism underlying wing morph determination in insects has remained elusive.
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