Brown Marmorated Stink Bug
Scientific Name: Halyomorpha halys
Order & Family: Hemiptera: Pentatomidae
Size: 12-17 mm (approx. 0.5-0.7 inches)
Natural Habitat
Agricultural fields, orchards, gardens, and urban structures during winter
Diet & Feeding
Herbivorous; feeds on a wide range of fruits, vegetables, and ornamental plants using piercing-sucking mouthparts
Behavior Patterns
Diurnal; known for overwintering inside buildings and releasing a strong defensive odor from thoracic glands when threatened or crushed
Risks & Benefits
Major agricultural pest that causes significant crop damage; nuisance to homeowners but does not bite or spread disease to humans
Identified on: 5/17/2026