Japanese moon moth; emperor moth
A large, pale green moth native to Japan; scientific name Actias artemis (formerly Actias gnoma).
The Japanese moon moth is a large moth that gathers around lights at night.
I found a Japanese moon moth in the garden.
Katakana spelling is standard for this species name; usually written in kana.
Kanji spelling exists but is rarely used; the katakana form is strongly preferred.
The name 大水青 (literally 'large water blue') refers to the moth's pale bluish-green wings. The exact origin of the name is uncertain.