owlet moth; noctuid
Refers to moths of the family Noctuidae. Used in entomological and general contexts.
夜蛾の多くは夜行性で、灯火に集まる。
Many owlet moths are nocturnal and gather around lights.
この幼虫は夜蛾の一種です。
This caterpillar is a type of owlet moth.
Katakana spelling, common in biological contexts or when emphasizing the taxonomic group.
Compound of 夜 (yo, 'night') and 蛾 (ga, 'moth'), referring to moths that are active at night.