Brown Marmorated Stink Bug

Scientific Name: Halyomorpha halys

Order & Family: Order Hemiptera, Family Pentatomidae

Size: Approximately 1.7 cm (0.67 in) long and nearly as wide.

Brown Marmorated Stink Bug

Natural Habitat

Found in gardens, orchards, and farms; frequently invades homes and buildings during cold months to seek shelter.

Diet & Feeding

Herbivorous; feeds on a wide variety of plants including fruits (apples, peaches, pears), vegetables (tomatoes, corn, soy), and ornamental trees.

Behavior Patterns

Known for its 'shield' shape and congregating in large numbers on warm walls. It undergoes incomplete metamorphosis and releases a pungent odor from scent glands when threatened or crushed.

Risks & Benefits

An invasive agricultural pest that damages crops and is a nuisance in households. It does not bite or sting humans and is not known to transmit diseases, but its presence can be distressing to homeowners.

Identified on: 2/16/2026