Indian owlet-moth
A species of moth (Spirama retorta) found in Asia. The name is usually written in katakana.
The Indian owlet-moth is a type of nocturnal moth.
Katakana spelling is common for this moth name; the word is usually written in kana.
Kanji form is rare and mainly used in scientific contexts.
The name トモエガ (巴蛾) likely derives from the tomoe (巴) pattern on its wings, resembling the comma-shaped swirl design.