Inchworm (Geometer moth caterpillar)

Scientific Name: Geometridae

Order & Family: Lepidoptera: Geometridae

Size: 1 cm to 5 cm (0.4 to 2 inches)

Inchworm (Geometer moth caterpillar)

Natural Habitat

Found in forests, gardens, and woodlands on various host plants

Diet & Feeding

Most species are herbivorous, feeding on the leaves of trees, shrubs, and flowers

Behavior Patterns

Known for their unique looping movement due to the absence of middle prolegs; many species practice mimicry by stiffening their bodies to look like twigs

Risks & Benefits

Generally harmless to humans; they are important food sources for birds and other predators, though some species can be significant agricultural or forest pests in large numbers

Identified on: 3/5/2026