||Usually black, may have pale markings or a metallic luster
||Long and slender with a thread-like waist
||1/2 – 1+” (12-25+ mm)
||Found throughout U.S.
This group of wasps gets its common name from the fact that they
construct their nest of mud. Mud daubers are found throughout the
Mud daubers are solitary wasps. They are not social and do not
live in colonies. Mud daubers provision spiders for their larvae by
paralyzing them with their venom and bringing them into their
Female mud daubers construct nests of mud. Many short mud tubes,
usually about 1" long, are constructed side by side. They usually
build their nests in a sheltered site, such as under eaves, porch
ceilings, in garages and sheds left open, in barns and attics, etc.
Nests typically exhibit round holes in them as the wasps emerge.
This means the nest is probably old and inactive after
Mud daubers do not defend their nests. In fact, open pipe mud
dauber stings are fairly rare. These insects are typically
considered nuisance pests, and are actually beneficial as they help