
Community identification
Western Conifer Seed Bug
Leptoglossus occidentalis
- Order & Family
- Order Hemiptera, Family Coreidae
- Size
- 16 to 20 mm (0.6 to 0.8 inches) in length
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.