Bug Identifier
Western conifer seed bug
Community identification

Western conifer seed bug

Leptoglossus occidentalis

Order & Family
Hemiptera; Coreidae (leaf-footed bugs)
Size
About 15–20 mm long.
See this bug in the Encyclopedia

Natural Habitat

Native to western North American conifer forests; often enters buildings in autumn to overwinter.

Diet & Feeding

Sucks fluids from developing seeds in pine, fir, and other conifer cones.

Behavior Patterns

A brown, elongated bug with a pale zigzag across its folded wings and flattened, leaf-like hind legs. Adults seek sheltered places to overwinter; they may release a strong odor when disturbed.

Risks & Benefits

Harmless to people and does not damage homes, though it can be a nuisance indoors. Feeding can reduce conifer seed production.