📸 PhotoPhoto: Ben Sale · CC BY 2.0 · Wikimedia Commons Source
Japanese oak silkmoth
Antheraea yamamai (Japanese oak silkmoth · ヤママユ)
Not Evaluated (NE) on the IUCN Red List yet.
💡 Everyday Comparisons for Size, Mass & Speed
- 💡 Its maximum wingspan of 12.5 cm is about 4 cm longer than the long side of a credit card (8.56 cm) and about 6 tenths of the short side of an A4 sheet of paper (21 cm) (Comparison).
- 💡 It can be seen nationwide from mid-July to mid-September (National List of Species of Korea).
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 Japanese oak silkmoth is a large moth of the saturniid family distributed throughout Korea, and outside Korea it lives in Japan, China, and Russia.
🦴 2. Anatomy & Morphology
Its wingspan reaches 110–125 mm. The submarginal line on the wings is very distinct, and the discal eyespot is round with a transparent white center surrounded by a blackish-brown border. The postmedian line is reddish-brown to dark brown with a grayish-white band along its outer side.
🔍 3. Ecology & Behavior
Adults appear from mid-July to mid-September.
🇰🇷 4. Connection to Korea
The National List of Species of Korea records its domestic distribution as nationwide.
📚 Sources & References
- • IUCN Red List: not evaluated (NE) — cross-checked with the Wikidata conservation-status entry
- • catalogueoflife.org — 67B5D
- • 국가생물종목록(국립생물자원관) ktsn 120000036248 — https://species.nibr.go.kr/home/mainHome.do?cont_link=009&subMenu=009002&contCd=009002&ktsn=120000036248
- • wikidata.org — Q340158
- • species.nibr.go.kr — mainHome.do
- • Silhouette: PhyloPic — Lauren Otolski · CC0 1.0 (Related taxon silhouette — Eacles imperialis)
Recorded dimensions are widely cited representative estimates from public literature and may vary by study or specimen.