red ring skirt (butterfly)
A butterfly species, Hestina assimilis. The Japanese name is usually written in katakana.
The red ring skirt is distributed in Japan from Amami Ōshima southwards.
Hiragana spelling, also used.
Rare kanji spelling; it is rarely used.
The name combines 赤星 (red star/spots) and 胡麻斑 (sesame-like spots), describing the wing pattern. The exact derivation is uncertain.