swift moth

Any moth of the family Hepialidae.

Japanese Meaning

ヘピアリダエ科に属する蛾

At dusk, a swift moth fluttered clumsily around the porch light, its heavy body unlike that of delicate butterflies.

夕暮れ、キバガ科の蛾が玄関の灯りの周りをどんくさく舞い、そのずんぐりした体つきは繊細な蝶とは異なっていた。

Sense（1）

Any moth of the family Hepialidae.

swift moths

（ plural ）