Ma'anar ƙamus na "Kwaro na Japan" ƙarami ne, koren ƙwaro (Popillia japonica) ɗan asalin ƙasar Japan, amma yanzu ana samunsa a Arewacin Amirka, inda ake ɗaukarsa kwaro saboda yana ciyar da ganye, furanni, da furanni. 'ya'yan itace iri-iri iri-iri, gami da nau'ikan kayan ado da na noma da yawa. An san irin ƙwaro na Japan don kamanninsa na musamman, tare da koren jikinsa mai launin kore da fuka-fuki masu launin jan ƙarfe. Hakanan an san shi don sha'awar ci da kuma iya saurin lalata tsire-tsire.