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Tenthredinoidea

plural noun
Ten·​thre·​di·​noi·​dea | \ˌten(t)thrədəˈnȯidēə\

Definition of Tenthredinoidea 

: a superfamily (suborder Chalastogastra) of hymenopterous insects comprising the sawflies and being coextensive with Tenthredinidae in its broadest use

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History and Etymology for Tenthredinoidea

New Latin, from Tenthredin-, Tenthredo + -oidea

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