Bald-faced Hornet

Dolichovespula maculata

Stinging Insects

Large 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.

Bald-faced Hornet (Dolichovespula maculata) - Professional pest control identification guide

Control Methods

Recommended methods for controlling this pest

View all →
MethodTypeEffectivenessRequirements
Wasp and Hornet Nest TreatmentChemical
None

Common Harborage Locations

Where to find this pest during inspections

View all →
LocationWhy Found TherePriority
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 This information may be out of date and should not replace professional judgment, proper training, or required licensing and certifications.