Bug Identifier
Brown Marmorated Stink Bug
Community identification

Brown Marmorated Stink Bug

Halyomorpha halys

Order & Family
Hemiptera / Pentatomidae
Size
Approximately 12–17 mm (about 0.5 to 0.7 inches) long.
See this bug in the Encyclopedia

Natural Habitat

Found on a wide variety of host plants including fruit trees, vegetables, and ornamentals; often migrates into homes/buildings during fall for overwintering.

Diet & Feeding

Herbivorous; uses a piercing-sucking proboscis to feed on fruits, vegetables, and seed pods, causing necrotic spots and deformities on crops.

Behavior Patterns

Characterized by its shield shape and white-banded antennae. It releases a pungent odor from scent glands when threatened or crushed. They undergo five nymphal stages before reaching adulthood.

Risks & Benefits

Significant invasive agricultural pest that damages crops like apples, peaches, and soy. For humans, they are nuisance pests when they invade homes; they do not bite or sting but can trigger allergic reactions in some individuals.