Western Conifer Seed Bug

Natural Habitat

Found in forests, woodlands, and urban areas with coniferous trees; often enters homes in autumn to seek warmth for overwintering.

Diet & Feeding

Feeds on the developing seeds and flowers of various coniferous trees (such as pine, fir, and spruce) by sucking out the sap.

Behavior Patterns

Active from spring through late fall; known for making a loud buzzing sound when flying and emitting a pungent odor if threatened. They do not bite or sting but are considered nuisance pests indoors.

Risks & Benefits

Risk: Can be a minor pest to seed orchards by reducing seed production; a nuisance in homes. Benefit: Primarily serves as a food source for birds and spiders within the forest ecosystem.

Identified on: 6/18/2026