noun
eastern pale clouded yellow
A butterfly species, Colias erate. Rare term; the common name is モンキチョウ (紋黄蝶).
See also: 紋黄蝶
オツネンチョウはモンキチョウの別名として知られる。
オツネンチョウ is known as another name for the eastern pale clouded yellow.
The common name for the same butterfly; オツネンチョウ is a rare synonym.
The name likely derives from 越年 (overwintering) and 蝶 (butterfly), referring to the adult butterfly's overwintering habit, but the exact origin is uncertain.