Brown Marmorated Stink Bug
Halyomorpha halys
Brown marmorated stink bugs are shield-shaped insects, 14-17mm long, with mottled brown coloring. Key identifiers include alternating light and dark bands on the antennae and along the abdomen edges. ...
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How to Identify Brown Marmorated Stink Bug
Brown marmorated stink bugs are shield-shaped insects, 14-17mm long, with mottled brown coloring. Key identifiers include alternating light and dark bands on the antennae and along the abdomen edges.
Brown marmorated stink bugs are shield-shaped insects, 14-17mm long, with mottled brown coloring. Key identifiers include alternating light and dark bands on the antennae and along the abdomen edges. They release a pungent odor when disturbed or crushed—often described as cilantro-like.
Brown Marmorated Stink Bug Behavior & Habits
Understanding how brown marmorated stink bug behave helps prevent infestations
Stink bugs are agricultural pests that feed on fruits and vegetables. In fall, they seek shelter in buildings for overwintering, congregating on warm, south-facing walls before entering through gaps. They're dormant inside through winter and become active on warm days, often appearing indoors in late winter/early spring as they seek to exit.
Brown Marmorated Stink Bug Risks & Dangers
What brown marmorated stink bug can do to your health and property
Health Risks
Stink bugs are not harmful to humans—they don't bite, sting, or transmit disease. Their odor is unpleasant but not dangerous.
Property Damage
No structural damage. Their primary impact is nuisance, especially when large numbers congregate inside or their odor permeates living spaces.
Signs of Brown Marmorated Stink Bug Infestation
Look for these indicators in your home
Brown Marmorated Stink Bug in Boise & the Treasure Valley
Brown marmorated stink bugs arrived in Idaho relatively recently and are becoming increasingly common in the Treasure Valley. They're especially problematic near orchards and gardens. Fall invasions can involve hundreds of bugs on a single home.
How We Eliminate Brown Marmorated Stink Bug
Professional treatment for complete elimination
Stink bug control is most effective as preventive fall treatment before bugs enter. We treat exterior surfaces, window frames, and entry points. For existing infestations, interior treatment and vacuuming removes active bugs while exclusion prevents future entry.
How to Prevent Brown Marmorated Stink Bug
Steps you can take to reduce the risk of infestation
Brown Marmorated Stink Bug Questions Answered
Common questions about identification, prevention, and treatment
Why do stink bugs smell so bad?
Stink bugs release defensive chemicals from glands on their thorax when threatened. The smell deters predators. Vacuuming them up (rather than crushing) helps avoid releasing the odor.
Similar Pests
Learn about other pests in this category