plural noun
Aphi·​doi·​dea | \ˌāfəˈdȯidēə also ˌaf-\

Definition of Aphidoidea 

: a superfamily of Homoptera comprising the aphids and now usually divided into a number of families (such as Aphididae, Eriosomatidae, and Phylloxeridae)

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History and Etymology for Aphidoidea

New Latin, from Aphid-, Aphis + -oidea

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