Brown Marmorated Stink Bug

Scientific Name: Halyomorpha halys

Order & Family: Hemiptera: Pentatomidae

Size: 1.7 cm length (approx. 5/8 inch)

Brown Marmorated Stink Bug

Natural Habitat

Agricultural fields, orchards, gardens, and human dwellings during winter months.

Diet & Feeding

Polyphagous herbivore; feeds on a wide range of fruits, vegetables, and ornamental plants using piercing-sucking mouthparts.

Behavior Patterns

Known for its 'shield' shape and defensive scent glands that emit a pungent odor. They exhibit overwintering behavior by entering homes in large numbers to seek warmth.

Risks & Benefits

Major agricultural pest causing damage to crops. Nuisance to homeowners; no risk of biting or disease transmission, but can cause allergic reactions in some individuals.

Identified on: 3/9/2026