Inchworm vs. Silkworm — What's the Difference?

The larva of a moth of the family Geometridae.

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.

A caterpillar of a geometrid moth that moves by looping the body in alternate contractions and expansions. Also called looper, measuring worm, spanworm.

Any of various caterpillars of moths that produce silk cocoons, especially Bombyx mori, the source of most commercial silk.

To move in a looping fashion, like an inchworm.

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.

To crawl or creep slowly.

Hairless white caterpillar of the Chinese silkworm moth; source of most commercial silk

The larva of any geometrid moth. It progresses forward by first bringing the rear end of the body forward, forming a loop, then moving the front part of the body; called also measuring worm, measuringworm, spanner, and looper. See Geometrid.

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

Small hairless caterpillar having legs on only its front and rear segments; mostly larvae of moths of the family Geometridae