common evening brown; evening brown butterfly
Refers to the butterfly species Melanitis leda. The name is usually written in katakana.
The common evening brown is a butterfly that is active in the evening.
Katakana spelling is standard for this butterfly name; usually written in kana.
Kanji spelling is rare and primarily used in scientific or formal contexts.
The Japanese name ウスイロコノマチョウ (淡色木間蝶) literally means 'pale-colored tree-gap butterfly', describing its appearance and habitat. The exact derivation is uncertain.