Oriental Beetle

Scientific Name: Anomala orientalis

Order & Family: Coleoptera: Scarabaeidae

Size: 8 to 11 mm (0.3 to 0.4 inches) in length

Oriental Beetle

Natural Habitat

Found in lawns, gardens, nurseries, and golf courses, particularly in areas with moist soil and turfgrass.

Diet & Feeding

Adults feed on petals and pollen of various flowers (like roses and daisies); larvae (grubs) eat the roots of grasses and ornamental plants.

Behavior Patterns

Adults are most active during the day from late June through August; they are clumsy fliers and often stay close to the ground. Females lay eggs in the soil.

Risks & Benefits

A major horticultural pest; the grubs cause significant damage to turfgrass and root systems of ornamental plants, often leading to brown patches in lawns.

Identified on: 6/27/2026