Brown Marmorated Stink Bug

Scientific Name: Halyomorpha halys

Order & Family: Hemiptera: Pentatomidae

Size: Approximately 1.7 cm (0.67 inches) long and nearly as wide.

Brown Marmorated Stink Bug

Natural Habitat

Agricultural fields, orchards, gardens, and urban settings; they often seek shelter in homes during cold weather.

Diet & Feeding

Herbivorous; feeds on a wide variety of plants including fruits (apples, peaches, berries), vegetables, nuts, and ornamental trees.

Behavior Patterns

Known for a distinct shield-like shape and a defensive pungent odor released from scent glands. They are strong fliers and exhibit overwintering behavior by entering human structures in large numbers.

Risks & Benefits

Considered a major agricultural pest that can cause significant damage to crops. They are harmless to humans beyond being a nuisance and potential indoor allergen; they do not sting or bite.

Identified on: 2/16/2026