
Community identification
Brown marmorated stink bug
Halyomorpha halys
- Order & Family
- Hemiptera; family Pentatomidae
- Size
- Adults are about 12–17 mm long and 8–10 mm wide.
Natural Habitat
Vegetation, orchards, gardens, woodlands, and buildings; native to East Asia and invasive across much of North America and Europe.
Diet & Feeding
Pierces plant tissues and sucks sap from fruits, vegetables, ornamentals, and woody plants, often damaging crops.
Behavior Patterns
Adults overwinter in sheltered structures and emerge in spring; they produce multiple generations in warm regions. When disturbed, they release a strong defensive odor and may aggregate in large numbers.
Risks & Benefits
A major agricultural and household nuisance that can cause fruit deformation and crop losses. It does not bite or sting, and its ecological benefits are limited; native predators may consume some individuals.