noun
spangle; Papilio protenor
A species of black swallowtail butterfly found in East Asia. In everyday contexts, usually referred to by its katakana name.
庭にクロアゲハが飛んできた。
A spangle flew into the garden.
クロアゲハの幼虫はミカン科の葉を食べる。
Spangle larvae feed on leaves of citrus plants.
General term for swallowtail butterflies; クロアゲハ is a specific black species.
Compound of 黒 (kuro, 'black') and 揚羽 (ageha, 'swallowtail butterfly'). The name describes its dark wing color.