📸 PhotoPhoto: takato marui · CC BY-SA 2.0 · Wikimedia Commons Source
Chinese peacock swallowtail
Papilio bianor (Chinese peacock swallowtail · ヤエヤマカラスアゲハ)
Not Evaluated (NE) on the IUCN Red List yet.
💡 Everyday Comparisons for Size, Mass & Speed
- 💡 A wingspan of 125 mm is about 60% of the short side of an A4 sheet of paper (210 mm) (Comparison).
- 💡 The National List of Species of Korea notes that in the afternoon, groups of these butterflies can be seen drinking water at the waterside.
Reference standards: coach bus ~12 m, mid-size car ~4.9 m, compact car ~1 t, basketball hoop 3.05 m, credit card 8.56 cm.
📖 1. Overview
The Chinese peacock swallowtail is a large butterfly with dense metallic blue scales on a black background, common throughout the Korean Peninsula and also living in Sakhalin, Japan, and southeastern China.
🦴 2. Anatomy & Morphology
With a wingspan of 80–125 mm, its black wings are covered with metallic scales. Males have velvety sex brands on the upper forewings, and it differs from San-jebi-nabi (a Korean butterfly name) in having a broad white band on the underside of the forewing and no white band on the underside of the hindwing.
🔍 3. Ecology & Behavior
It produces 2–3 generations a year, with the spring form appearing in April–June and the summer form in July–September, and overwinters as a pupa. Individuals sometimes hold territories and gather in groups at watersides in the afternoon to drink water.
🇰🇷 4. Connection to Korea
The National List of Species of Korea records that it is widely distributed nationwide and commonly inhabits the entire Korean Peninsula.
📚 Sources & References
- • IUCN Red List: not evaluated (NE) — cross-checked with the Wikidata conservation-status entry
- • catalogueoflife.org — 4CK6Q
- • 국가생물종목록(국립생물자원관) ktsn 120000035913 — https://species.nibr.go.kr/home/mainHome.do?cont_link=009&subMenu=009002&contCd=009002&ktsn=120000035913
- • wikidata.org — Q702794
- • commons.wikimedia.org — File:Papilio bianor.jpg
- • species.nibr.go.kr — mainHome.do
- • Silhouette: PhyloPic — Sara Gamboa · CC0 1.0 (Congeneric silhouette — Papilio)
Recorded dimensions are widely cited representative estimates from public literature and may vary by study or specimen.