plural noun
Arc·​ti·​i·​dae | \ ärkˈtīəˌdē\

Definition of Arctiidae

: a large and variously delimited family of moths typically having stout bodies and broad wings often conspicuously striped or spotted, the larvae being usually hairy caterpillars — see tiger moth, woolly bear

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History and Etymology for Arctiidae

New Latin, from Arctia, type genus (from Greek arktos bear + New Latin -ia) + -idae; from the furry appearance

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to move with exaggerated bouncy motions

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