Dogbane Leaf Beetle

Scientific Name: Chrysochus auratus

Order & Family: Coleoptera; Chrysomelidae

Size: 8 to 11 millimeters (approx. 0.3 to 0.4 inches)

Dogbane Leaf Beetle

Natural Habitat

Found in fields, meadows, and gardens, particularly where its host plants, dogbane and milkweed, grow.

Diet & Feeding

Herbivorous; both adults and larvae feed primarily on plant species in the Apocynaceae family (dogbane and milkweed).

Behavior Patterns

Known for its shiny, iridescent exoskeleton that reflects brilliant green, copper, and gold colors. They have a complex life cycle involving laying eggs near host plant roots where larvae develop underground.

Risks & Benefits

Generally harmless to humans. While they can be a minor garden pest to specific plants, they play a beneficial role in the ecosystem through the decomposition of plant matter and as a food source for other animals.

Identified on: 3/25/2026