any beetle of the family Chrysomelidae, comprising the leaf beetles.
–adjective
2.
belonging or pertaining to the family Chrysomelidae.
Origin: 1920–25; < NL Chrysomelidae name of the family, equiv. to Chrysomel(a) a genus (fem. deriv. of Gk chrȳsómēlon quince, equiv. to chrȳso-chryso-+ mêlon apple; see -a4) + -idae-id2
chrys·o·mel·id (krĭs'ə-měl'ĭd, -mē'lĭd) n. Any of various beetles of the family Chrysomelidae, which includes the Colorado potato beetle. adj. Of or belonging to the family Chrysomelidae.
[From New Latin Chrȳsomēla, type genus, from Greek khrūsomēlon, quince : khrūso-, chryso- + mēlon, apple.]