Bug Identifier
Brown Marmorated Stink Bug (Nymph)
Community identification

Brown Marmorated Stink Bug (Nymph)

Halyomorpha halys

Order & Family
Hemiptera: Pentatomidae
Size
2.4 mm (1st instar) to 12 mm (5th instar nymph)
See this bug in the Encyclopedia

Natural Habitat

Agricultural fields, gardens, and orchards; nymphs are typically found on the undersides of leaves of host plants.

Diet & Feeding

Herbivorous; they use piercing-sucking mouthparts to feed on various fruits, vegetables, and ornamental plants.

Behavior Patterns

Nymphs undergo five stages of development (instars) before reaching adulthood. They are known for congregating in groups and emitting a strong odor from scent glands when disturbed.

Risks & Benefits

Considered a major agricultural pest that damages crops; they can become a nuisance in homes during colder months, though they do not bite humans or pets.