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.
Mud nest in attic.
The location you mention is a typical mud dauber nest site.
Wasp nest identification is not that difficult.
Search carefully for nests in areas preferred by dirt daubers including garages attic spaces or areas beneath roofs or eaves.
Most of the time you find nests attached beneath roof eaves inside attics or beneath the eaves of wood or garden sheds.
Look for loose shingles or boards which can allow insects to enter your home.
Because of their tendency to nest in the most well hidden places their nests are almost impossible to locate without help from pest experts.
Many short mud tubes usually about 1 long are constructed side by side.
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.
Often times you d spot their nests in window cracks up on the ceiling inside the floorboards or even in between kitchen tiles.
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.
To locate the nest watch the flight path of returning wasps.
Examine nests which are made out of mud typically constructed of.
Wasps especially mud daubers are notorious for choosing the narrowest most unreachable corners to nest.
Most resemble long slender wasps about 1 inch 25 mm in length.
The organ pipe mud dauber constructs nests that look like long thin pipes while other mud daubers typically create urn shaped nests.
Nests typically exhibit round holes in them as the wasps emerge.
Here are the key places to inspect around your house to avoid attracting pests.
If you suspect the nest is in your attic or in a wall it is then almost always best to call a professional exterminator.
Mud daubers prefer to build their nests on wood surfaces in shady protected areas like under porch roofs under eaves in sheds or attics.
Most wasp nests are small in these locations but some can be as big as small gray papery balloons hanging from tree limbs.
Different females may build nests in the same general area on your home.
Ridding your attic of all traces of nest will not only give you a cleaner home but can keep any new wasps from being drawn to an existing nest.
Mud nests can be scraped up with a putty knife and thrown away while paper nests are easily brushed off with a large grill brush.