Definition of oak moth in English:

oak moth

noun

  • Any of various moths whose larvae feed on and sometimes defoliate oaks; especially the leaf roller Tortrix viridana and (more fully "California oak moth") the oakworm Phryganidia californica (family Dioptidae) of the western U.S.

Origin

Mid 19th century; earliest use found in John G. Wood (1827–1889), natural historian and microscopist.