Mud Dauber
Sceliphron caementarium
Mud daubers are distinctive wasps with extremely thin, thread-like waists connecting thorax and abdomen. They can be black, metallic blue, or black and yellow depending on species. They build characte...
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How to Identify Mud Dauber
Mud daubers are distinctive wasps with extremely thin, thread-like waists connecting thorax and abdomen. They can be black, metallic blue, or black and yellow depending on species.
Mud daubers are distinctive wasps with extremely thin, thread-like waists connecting thorax and abdomen. They can be black, metallic blue, or black and yellow depending on species. They build characteristic mud tube nests on walls, often in sheltered areas like garages and porches.
Mud Dauber Behavior & Habits
Understanding how mud dauber behave helps prevent infestations
Unlike social wasps, mud daubers are solitary and non-aggressive. They rarely sting even when handled. Females build mud nests, stock them with paralyzed spiders, and lay eggs. Each female works alone—there's no colony to defend.
Mud Dauber Risks & Dangers
What mud dauber can do to your health and property
Health Risks
Mud daubers are among the least aggressive wasps and rarely sting. They're not defensive of their nests. Stings only occur if one is stepped on or trapped against skin.
Property Damage
Mud nests can be unsightly and may stain painted surfaces. Nests built in equipment (like jet engines) have caused problems, but residential damage is minimal.
Signs of Mud Dauber Infestation
Look for these indicators in your home
Mud Dauber in Boise & the Treasure Valley
Mud daubers are common in Boise garages and covered porches. While their nests are unsightly, these wasps are beneficial—they provision nests with spiders, helping control spider populations. Many pest professionals recommend tolerance.
How We Eliminate Mud Dauber
Professional treatment for complete elimination
Mud dauber control is often unnecessary due to their non-aggressive nature. Old nests can be scraped off and areas treated to discourage rebuilding. We treat surfaces where nests are commonly built to prevent reuse.
How to Prevent Mud Dauber
Steps you can take to reduce the risk of infestation
Mud Dauber Questions Answered
Common questions about identification, prevention, and treatment
Should I remove mud dauber nests?
Mud daubers are beneficial and non-aggressive. Unless nests are in a problematic location, they can be left alone. Old nests can be scraped off after wasps emerge in late summer.
Similar Pests
Learn about other pests in this category