Bug Identifier
Inchworm (Spanworm or Geometer Moth Larva)
Community identification

Inchworm (Spanworm or Geometer Moth Larva)

Geometridae (larval stage)

Order & Family
Lepidoptera: Geometridae
Size
10mm to 25mm in length (larval stage)
See this bug in the Encyclopedia

Natural Habitat

Gardens, forests, parks, and other areas with abundant vegetation and foliage.

Diet & Feeding

Herbivorous; primarily feeds on the leaves of various trees, shrubs, and herbaceous plants.

Behavior Patterns

Notable for their unique looping movement caused by having prolegs only at the front and back; they often extend their bodies stiffly when disturbed to mimic a small twig.

Risks & Benefits

Generally harmless to humans, though large populations can cause significant defoliation to host plants; they serve as a vital food source for birds and predatory insects.