Geometrician Moth (Caterpillar)

Scientific Name: Grammodes geometrica

Order & Family: Lepidoptera, Erebidae

Size: 20mm to 35mm in length

Geometrician Moth (Caterpillar)

Natural Habitat

Open fields, gardens, and shrublands where host plants are present

Diet & Feeding

Herbivorous; feeds on foliage of plants including various herbs and shrubs

Behavior Patterns

The caterpillar is a 'looper' that moves with a distinctive arching motion; it uses camouflage to blend into plant stems and leaves.

Risks & Benefits

Benefits the ecosystem as a food source for birds and predatory insects; can be a minor agricultural or garden pest if populations are high.

Identified on: 5/25/2026