Bug Identifier
Brown Marmorated Stink Bug
Community identification

Brown Marmorated Stink Bug

Halyomorpha halys

Order & Family
Order: Hemiptera, Family: Pentatomidae
Size
Typically 12–17 mm (approx. 0.5–0.7 inches) long.
See this bug in the Encyclopedia

Natural Habitat

Original habitat was East Asia; invasive in North America and Europe. Often found in homes, gardens, orchards, and agricultural fields.

Diet & Feeding

Polyphagous herbivore; feeds on a wide variety of fruits (apples, peaches, figs), vegetables (beans, corn, tomatoes), and ornamental plants by piercing the skin and sucking juices.

Behavior Patterns

Known for seeking warmth in homes during autumn (overwintering). It releases a pungent odor when threatened or crushed as a defense mechanism.

Risks & Benefits

Risks: Major agricultural pest causing damage to crops; nuisance pest in homes due to aggregation behavior and smell. Does not bite or spread disease to humans. Benefits: Negligible benefits outside its native ecosystem.