plural noun
Lith·​o·​si·​idae | \ˌlithəˈsīəˌdē\

Definition of Lithosiidae 

: a large family of moths closely related to the Arctiidae but lacking normal ocelli and sometimes included as a subfamily in Arctiidae

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History and Etymology for Lithosiidae

New Latin, from Lithosia, type genus (from Greek lithōsis petrifaction, from lithoun to become petrified—from lithos stone—+ -sis) + -idae

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