Bug Identifier
Black Mud Dauber Nests
Community identification

Black Mud Dauber Nests

Sceliphron caementarium

Order & Family
Order: Hymenoptera, Family: Sphecidae
Size
Individual adults are 1/2 to 1 inch long; nests can consist of multiple mud cells several inches long.
See this bug in the Encyclopedia

Natural Habitat

Found in sheltered areas such as porch ceilings, eaves, sheds, and attics near sources of mud and water.

Diet & Feeding

Adults feed on plant nectar; larvae feed on spiders provided by the mother in the mud nest cells.

Behavior Patterns

Solitary wasps that collect mud to build tube-like nests. They sting and paralyze spiders to stock their nests for their offspring.

Risks & Benefits

Non-aggressive and rarely sting humans unless handled; beneficial to ecosystems as they help control spider populations.