Brown Marmorated Stink Bug (BMSB)

Natural Habitat

Originally from East Asia, now invasive worldwide including North America and Europe. Found in agricultural crops, orchards, and frequently enters homes and structures during colder months to overwinter.

Diet & Feeding

Polyphagous herbivore (plant eater). Feeds on over 100 species of plants, including fruits (apples, peaches, pears), vegetables (peppers, tomatoes, corn), and ornamentals by piercing the skin and sucking out juices.

Behavior Patterns

Known for seeking shelter in houses during autumn to hibernate (diapause). They are clumsy fliers and emit a pungent, cilantro-like odor when threatened or crushed.

Risks & Benefits

Risks: Major agricultural pest causing damage to fruit and vegetable crops; nuisance pest in homes due to aggregation behavior and unpleasant smell. Benefits: None significant; largely considered a destructive invasive species.

Identified on: 3/3/2026