Bug Identifier
Brown Marmorated Stink Bug
Community identification

Brown Marmorated Stink Bug

Halyomorpha halys

Order & Family
Order Hemiptera, Family Pentatomidae
Size
Approximately 12 to 17 mm (about 0.5 to 0.7 inches) long.
See this bug in the Encyclopedia

Natural Habitat

Found in gardens, orchards, and agricultural fields; frequently enters homes and buildings during autumn to find overwintering sites.

Diet & Feeding

Polyphagous herbivore that feeds on a wide variety of plants including fruits (apples, peaches), vegetables, and ornamental plants using piercing-sucking mouthparts.

Behavior Patterns

Notable for releasing a pungent odor from scent glands when disturbed or crushed. In late fall, they exhibit aggregation behavior, gathering in large numbers on the southern walls of buildings to seek warmth.

Risks & Benefits

An invasive agricultural pest that causes significant damage to crops. They are a nuisance to homeowners but do not bite humans, sting, or carry diseases. They provide no significant ecosystem benefits in their invasive range.