Silkworm vs. Silkmoth: What's the Difference?
Silkworm and Silkmoth Definitions
Any of various caterpillars that produce silk cocoons, especially the larva of a moth (Bombyx mori) native to Asia that spins a cocoon of fine, strong, lustrous fiber that is the source of commercial silk.
Any moth whose caterpillar stage is a silkworm, especially Bombyx mori, the domestic silkmoth, but also others in the familes Bombycidae and Saturniidae (as well as the Siberian silkmoth in the Lasiocampidae).
Any of various caterpillars of moths that produce silk cocoons, especially Bombyx mori, the source of most commercial silk.
The larva of any one of numerous species of bombycid moths, which spins a large amount of strong silk in constructing its cocoon before changing to a pupa.
Hairless white caterpillar of the Chinese silkworm moth; source of most commercial silk
Larva of a saturniid moth; spins a large amount of strong silk in constructing its cocoon