Molecular Systematics of Aphids and Thei
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David Martinez-Torres; Celia Buades; Amparo Latorre; Andres Moya
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Article
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2001
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Elsevier Science
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English
β 134 KB
Aphids constitute a monophyletic group within the order Homoptera (i.e., superfamily Aphidoidea). The Aphidoidea originated in the Jurassic about 150 my ago from some aphidiform ancestor whose origin can be traced back to about 250 my ago. They exhibit a mutualistic association with intracellular ba