Bald-faced Hornet
Dolichovespula maculata
Stinging InsectsLarge black and white social wasp, about 3/4 inch long. Builds large gray paper nests in trees and shrubs. Very aggressive when nest is disturbed. Actually a type of yellow jacket, not a true hornet.

Control Methods
Recommended methods for controlling this pest
| Method | Type | Effectiveness | Requirements |
|---|---|---|---|
| Wasp and Hornet Nest Treatment | Chemical | None |
Common Harborage Locations
Where to find this pest during inspections
| Location | Why Found There | Priority |
|---|---|---|
| Soffit Vents | Direct entry to attic, often screened inadequately, warmth escapes through vents. | Medium |
Important Disclaimer: The information provided in this knowledge base is for educational and reference purposes only. Pest management professionals should always consult current product labels, Safety Data Sheets (SDS), manufacturer instructions, and applicable local, state, and federal regulations as the definitive source of truth. Product formulations, application methods, safety requirements, and regulations may change over time. This information may be out of date and should not replace professional judgment, proper training, or required licensing and certifications.