Mud Dauber

Sceliphron spp.

Stinging Insects

Solitary wasp with thin waist and long legs. Builds distinctive mud nests on structures. Black or black and yellow. Not aggressive and rarely stings. Provisions nests with spiders for larvae.

Mud Dauber (Sceliphron spp.) - Professional pest control identification guide

Control Methods

Recommended methods for controlling this pest

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MethodTypeEffectivenessRequirements
Wasp and Hornet Nest TreatmentChemical
None
Preventative Wasp 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
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 This information may be out of date and should not replace professional judgment, proper training, or required licensing and certifications.