くわこ

noun

wild silkworm moth

Refers specifically to Bombyx mandarina, the wild ancestor of the domesticated silkworm. Usually written in kana.

• くわこは家か蚕さんの祖そ先せんと考かんがえられている。

  The wild silkworm moth is considered the ancestor of the domesticated silkworm.

• 桑くわの葉はに野や生せいのくわこがいた。

  There was a wild silkworm moth on the mulberry leaves.