Brown Marmorated Stink Bug
Scientific Name: Halyomorpha halys
Order & Family: Hemiptera, Pentatomidae
Size: Approximately 12-17 mm (0.5-0.7 inches) in length.

Natural Habitat
Native to East Asia, it is an invasive species in North America and Europe. Found in agricultural areas (orchards, row crops), urban and suburban environments, and woodlands. They often seek shelter in homes and buildings during cooler months.
Diet & Feeding
Polyphagous herbivore, feeding on a wide variety of fruits, vegetables, and ornamental plants. It uses its piercing-sucking mouthparts to extract plant juices, leading to damage to crops.
Behavior Patterns
Known for its aggregation behavior, especially in the fall when it seeks overwintering sites in sheltered locations. It emits a pungent odor when disturbed, which is a defense mechanism. They are active during the day and can fly.
Risks & Benefits
Potential risks include significant agricultural pest status, causing widespread damage to crops like apples, peaches, corn, and soybeans. They are considered a nuisance pest when they invade homes in large numbers. There are no notable benefits in areas where it is an invasive species.
Identified on: 10/28/2025