Inchworm

Scientific Name: Geometridae (Family level identification)

Order & Family: Lepidoptera: Geometridae

Size: Typically 0.5 to 1 inch (12 to 25 mm) in length

Inchworm

Natural Habitat

Gardens, forests, and wetlands where host plants are present

Diet & Feeding

Herbivorous; larvae primarily feed on the leaves of trees, shrubs, and flowers

Behavior Patterns

Notable for their 'looping' locomotion caused by lacking mid-body prolegs. They often freeze in a stiff, straight position to mimic a small twig or stick to avoid predators.

Risks & Benefits

Generally harmless to humans; however, large infestations can cause significant defoliation to garden plants or forest trees. They serve as an important food source for birds and predatory insects.

Identified on: 1/12/2026