Bug Identifier
Brown marmorated stink bug
Community identification

Brown marmorated stink bug

Halyomorpha halys

Order & Family
Hemiptera; Pentatomidae
Size
About 12–17 mm long.
See this bug in the Encyclopedia

Natural Habitat

Native to East Asia and now widespread in North America and Europe. Found on crops, gardens, trees, and around buildings, especially when seeking shelter for winter.

Diet & Feeding

Uses piercing-sucking mouthparts to feed on fruits, seeds, and other plant tissues, including apples, peaches, tomatoes, and soybeans.

Behavior Patterns

Adults have mottled brown coloring, pale bands on the antennae, and a shield-shaped body. They aggregate indoors in autumn and release a strong-smelling defensive secretion when disturbed.

Risks & Benefits

Harmless to people and buildings, though its odor can be unpleasant; it is a significant agricultural pest that damages crops.