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.

Brown Marmorated Stink Bug

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