also: みやまがらすあげは
alpine black swallowtail
A species of swallowtail butterfly (Papilio maackii) found in East Asia. The Japanese name is typically written in katakana.
The alpine black swallowtail is often seen along mountain streams.
I looked up the difference between the alpine black swallowtail and the common black swallowtail in a field guide.
A closely related species, the common black swallowtail (Papilio bianor). ミヤマカラスアゲハ has a more metallic blue-green sheen and prefers higher elevations.
Hiragana spelling; less common than katakana for this species name.
Kanji spelling is rare and mainly encountered in older or specialized texts; the katakana form is strongly preferred.
Compound of 深山 (miyama, 'deep mountain') + 烏揚羽 (karasuageha, 'black swallowtail'), referring to its habitat and appearance.