ˌlithəˈsīəˌdē noun plural
Usage: capitalized
Etymology: New Latin, from Lithosia, type genus (from Greek lithōsis petrifaction, from lithoun to become petrified — from lithos stone — + -sis ) + -idae
: a large family of moths closely related to the Arctiidae but lacking normal ocelli and sometimes included as a subfamily in Arctiidae