The commercially bred hairless white caterpillar of the domestic silkworm moth which spins a cocoon that can be processed to yield silk fiber; the principal source of commercial silk.

Dutch: zijdevlinderrups, zijderups

Larva of a saturniid moth; spins a large amount of strong silk in constructing its cocoon.

synonyms: giant silkworm, wild wilkworm.

Dutch: zijderups