Brown Marmorated Stink Bug
Scientific Name: Halyomorpha halys
Order & Family: Order Hemiptera; Family Pentatomidae
Size: Approximately 1.7 cm (0.67 in) in length and nearly as wide.

Natural Habitat
Agricultural fields, orchards, gardens; commonly enters homes and buildings during autumn to seek warmth for overwintering.
Diet & Feeding
A wide variety of plants including fruit trees (apples, peaches, pears), vegetables, and ornamental plants; they use piercing-sucking mouthparts to feed on juices.
Behavior Patterns
Known for releasing a pungent chemical defense when threatened or crushed; they aggregate in large numbers on sun-facing walls of buildings in the fall.
Risks & Benefits
Significant agricultural pest that damages crops; considered a nuisance pest in homes. They do not bite or sting humans and are not known to transmit diseases, but can cause allergic reactions in some individuals.
Identified on: 1/1/2026