plural noun Hes·pe·ri·oi·dea \(ˌ)heˌspirēˈȯidēə\

Definition of Hesperioidea

  1. :  a superfamily of Lepidoptera comprising insects often considered butterflies but usually distinguished from the typical butterflies by the hooked tips of the widely separated antennae, peculiarities of the wing venation, and the erratic and often very swift flight — see hesperiidae, megathymidae, skipper

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Origin and Etymology of hesperioidea

New Latin, from Hesperia + -oidea

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quaintly unconventional or refined

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