Yellow Jacket

Vespula spp.

Stinging Insects

Social wasp with yellow and black bands, about 1/2 inch long. Builds paper nests underground or in wall voids. Highly aggressive, especially in fall. Scavengers attracted to sugary foods and proteins.

Yellow Jacket (Vespula spp.) - Professional pest control identification guide

Control Methods

Recommended methods for controlling this pest

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MethodTypeEffectivenessRequirements
Power Spray ApplicationChemical
Required
Wasp and Hornet Nest TreatmentChemical
None
Preventative Wasp TreatmentChemical
Required
Ground Wasp Dust TreatmentChemical
Required

Common Harborage Locations

Where to find this pest during inspections

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LocationWhy Found TherePriority
Soffit Vents
Direct entry to attic, often screened inadequately, warmth escapes through vents.
Medium
Ground Burrows & Cavities
Ground-nesting bees and wasps utilize existing holes. Yellow jackets frequently nest in old animal burrows. Protected from elements.
Medium
Wall Voids & Structural Cavities
Yellow jackets and hornets build paper nests in protected voids. Warm, dry, protected from weather. Often accessed through small gaps in siding or vents.
High
Eaves & Overhangs
Paper wasps and mud daubers build exposed nests on protected horizontal and vertical surfaces. Sheltered from rain, close to building for hunting prey.
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 This information may be out of date and should not replace professional judgment, proper training, or required licensing and certifications.