If the nest is near the home keep nearby windows closed.
Mud nests in attic.
Female mud daubers construct nests of mud.
Mud dauber nests are often found on the side of buildings under overhangs on front porches in barns or inside caves to protect themselves from the rain.
The name refers to the nests that are made by the female wasps which consist of mud.
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.
Mud dauber or mud wasp or dirt dauber is a name commonly applied to a number of wasps from either the family sphecidae or crabronidae that build their nests from mud.
By mid summer wasp nests can reach considerable size.
Many short mud tubes usually about 1 long are constructed side by side.
Search carefully for nests in areas preferred by dirt daubers including garages attic spaces or areas beneath roofs or eaves.
Mud dauber nests are usually in the same types of sheltered.
If you suspect the nest is in your attic or in a wall it is then almost always best to call a professional.
Some nests can be the size of basketballs or even larger.
Most resemble long slender wasps about 1 inch 25 mm in length.
These nests are usually on tree branches in shrubs under eaves beneath outdoor furniture in garages or barns under porches or decks under the roofs of porches decks and picnic shelters on attic ceilings or in just about any sheltered area from which they can hang a nest.
Mud daubers belong to different families and are variable in appearance.
The organ pipe mud dauber constructs nests that look like long thin pipes while other mud daubers typically create urn shaped nests.
To locate the nest watch the flight path of returning wasps.
Examine nests which are made out of mud typically constructed of.