atlas moth
Refers to the species Attacus atlas, a large moth found in Asia including Yonaguni Island.
The atlas moth is one of the largest moths in the world.
Katakana spelling is standard for this species name; the kanji form 与那国蚕 is rare.
Kanji spelling, rarely used; the katakana form is strongly preferred.
Named after Yonaguni Island (与那国島) where it is found, combined with 蚕 (さん, 'silkworm moth'), though it is not a true silkworm.