Brown Marmorated Stink Bug

Natural Habitat

Originally from East Asia (China, Japan, Korea, Taiwan), it has been introduced to North America and Europe. It is found in agricultural areas, orchards, gardens, and urban/suburban environments. During colder months, they often seek shelter indoors in homes and other structures.

Diet & Feeding

Polyphagous, meaning it feeds on a wide variety of plants. It uses its piercing-sucking mouthparts to feed on fruits, vegetables, field crops, and ornamental plants. Preferred hosts include apples, peaches, corn, soybeans, and peppers.

Behavior Patterns

Known for emitting a strong, foul-smelling odor when disturbed or crushed, which is a defense mechanism. They are attracted to light and warmth. In late summer and fall, adults aggregate on the outsides of buildings and then invade structures to overwinter, becoming a nuisance pest. They are relatively slow-moving but can fly.

Risks & Benefits

Potential risks include significant agricultural pest damage to a wide range of crops, leading to economic losses. Their overwintering habits make them a nuisance pest in homes and buildings. They do not pose a direct threat to human health (e.g., bites or stings) but the odor can be unpleasant.

Identified on: 9/28/2025