Inchworm (Geometer moth larva)

Scientific Name: Family Geometridae

Order & Family: Lepidoptera: Geometridae

Size: 10mm to 50mm depending on the species and growth stage.

Inchworm (Geometer moth larva)

Natural Habitat

Found worldwide in forests, gardens, and woodlands, typically on the foliage of host plants (trees, shrubs, and herbs).

Diet & Feeding

Mostly herbivorous, feeding on the leaves of various plants, trees, and shrubs; some rare species are carnivorous.

Behavior Patterns

Characterized by a looping gait caused by the absence of middle prolegs. They often use camouflage to mimic twigs and may hang from silk threads when disturbed.

Risks & Benefits

Generally harmless to humans. While some species can be significant agricultural or forest pests by defoliating trees, they serve as a vital food source for birds and predatory insects.

Identified on: 3/12/2026