Western Conifer Seed Bug

Natural Habitat

Coniferous forests and woodlands; often enters buildings and homes during cold autumn and winter months for shelter.

Diet & Feeding

Feed on the sap of developing cones and seeds of various coniferous trees like Douglas-fir, pine, and spruce.

Behavior Patterns

They are strong fliers and produce a buzzing sound while in flight. They undergo incomplete metamorphosis and are known for seeking indoor warmth during the winter.

Risks & Benefits

Harmless to humans as they do not bite, sting, or carry diseases. However, they can emit a pungent, unpleasant odor when disturbed or crushed, which can be a nuisance indoors.

Identified on: 6/11/2026