common jay; Graphium doson
A species of swallowtail butterfly found in parts of Asia. In Japanese, the name is usually written in katakana.
The common jay is a type of southern swallowtail butterfly.
Katakana spelling is common for this butterfly name; usually written in kana.
Kanji spelling is rare and mainly encountered in specialized contexts.
The name combines ミカド (emperor) and アゲハ (swallowtail butterfly), but the exact origin of the name is uncertain.