Bug Identifier
Brown Marmorated Stink Bug
Community identification

Brown Marmorated Stink Bug

Halyomorpha halys

Order & Family
Hemiptera / Pentatomidae
Size
12–17 mm (0.47–0.67 inches) in length
See this bug in the Encyclopedia

Natural Habitat

Found in agricultural fields, residential gardens, and wooded areas; often seeks shelter inside buildings and homes during winter months.

Diet & Feeding

Broad polyphagous diet; feeds on over 100 species of plants including fruits (apples, peaches, berries), vegetables, and ornamental trees by piercing plant tissues to suck juices.

Behavior Patterns

Known for its distinctive shield shape and mottled brown appearance. It undergoes incomplete metamorphosis and is famous for releasing a pungent chemical odor from scent glands when threatened or crushed.

Risks & Benefits

Significant agricultural pest that damages crops; considered a major nuisance in homes as it tends to congregate in large numbers indoors, though it does not bite humans or transmit diseases.