Brown Marmorated Stink Bug
Scientific Name: Halyomorpha halys
Order & Family: Hemiptera: Pentatomidae
Size: Approximately 12.7 to 17 mm (0.5 to 0.67 inches) in length.

Natural Habitat
Orchards, gardens, fields, and deciduous forests; they frequently enter human dwellings in autumn to seek warmth for overwintering.
Diet & Feeding
Polyphagous herbivore; feeds on over 100 species of plants including fruits (apples, peaches, citrus), vegetables, and ornamental plants using piercing-sucking mouthparts.
Behavior Patterns
Known for releasing a pungent odor from scent glands when threatened. They undergo incomplete metamorphosis (egg, nymph, adult) and are strong fliers that aggregate in large numbers during the fall.
Risks & Benefits
An invasive agricultural pest that causes significant damage to crops. They are a nuisance in homes but do not bite, sting, or transmit diseases to humans. They have no significant ecosystem benefits in their invasive range.
Identified on: 4/12/2026