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Old 06-23-2008, 07:29 PM
 
2,224 posts, read 5,747,589 times
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I have a bizarre problem.

Every day, about 10-20 mud dauber wasps appear in my master bathroom. I have no idea how they get there. This has been going on for over a month. There's nothing in the attic, I've checked repeatedly including this evening. There's no cracks or openings in the walls. The window is air tight and has a screen. I've even covered all the vents with painters tape to see if I could pinpoint the entry point.

Does anybody have any ideas? At this point, I'm about to believe they are living in the septic tank and swimming up the toilet water.
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Old 06-23-2008, 08:01 PM
 
Location: Not on the same page as most
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Quote:
Originally Posted by achtungpv View Post
I have a bizarre problem.

Every day, about 10-20 mud dauber wasps appear in my master bathroom. I have no idea how they get there. This has been going on for over a month. There's nothing in the attic, I've checked repeatedly including this evening. There's no cracks or openings in the walls. The window is air tight and has a screen. I've even covered all the vents with painters tape to see if I could pinpoint the entry point.

Does anybody have any ideas? At this point, I'm about to believe they are living in the septic tank and swimming up the toilet water.
Maybe try turning off all household electricity, and listening for a buzzing sound, as a way of locating the entrance?
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Old 06-23-2008, 08:25 PM
 
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Check behind the light fixtures.
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Old 06-23-2008, 09:12 PM
 
Location: WA
4,051 posts, read 13,200,367 times
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I had a similar problem with hornets in the house and finally concluded that they were getting in between the screen and glass of a window/door and came in when slid the other way. But just a guess because we could never really figure it out.

Spent one whole season with the vacuum ready for them and must have snagged fifty. This year we have only had two... maybe we got all the clever ones.
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Old 06-23-2008, 09:20 PM
 
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Default Did you check the bathroom exhaust fan????

Bathroom exhaust fan is a common entry pathway for a lot of critters. The Love Bugs like to use that method in a very well sealed up house.

Other pathways can be via the sofit vent areas into the attic volume and then they find a path from the attic down into the living areas. Maybe like around the attic door or hatchway or down thru the walls. Lil buggers have a way of finding any open path.

Exhaust fans are normally not screened on the exhaust port and one of the last things to be considered. Also may not be properly sealed around the ductwork.
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Old 06-23-2008, 09:44 PM
 
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Put painters tape over the exhaust fan. Still more got in. Went up in the attic to check above the lights and there's no sign of life up there. Checked all the sofit vents and they're in perfect shape. Killed about 10 more since the first post.
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Old 06-23-2008, 09:52 PM
 
Location: Duncan, OK
2,925 posts, read 4,538,739 times
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Mud-Dauber Wasps need 2 things... water and soil. If you are sure they are Mud-Daubers I would check the over-flow area of the bathtub. If it isn't attached securely there will be moisture leaking and a place that they could be entering. If your house has a raised foundation with a crawlspace there could also be a small hole in the bathtub drainpipe...you might need to take a good look under the house!

Edit: What do they look like?
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Old 06-23-2008, 11:57 PM
 
Location: Southern California desert
8,538 posts, read 6,502,280 times
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Ewww...I am extremely allergic to bees, wasps and red ants...any of the aforementioned pests inside the house like that would send me to a hotel and a call to an exterminator..

I can't even picture something like that getting in through a bathtub...do they fly under the house even??
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Old 06-24-2008, 08:05 PM
 
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We're on a slab so they're not coming from under the house. They look like wasps but black. What's weird is that they are very lethargic when they get in the house. I can literally just walk up to them and grab them with a piece of tissue and flush them down the toilet. It's very bizarre. Tonight was the least amount in a while...6.
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Old 06-24-2008, 08:36 PM
 
Location: Duncan, OK
2,925 posts, read 4,538,739 times
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Quote:
Originally Posted by achtungpv View Post
We're on a slab so they're not coming from under the house. They look like wasps but black. What's weird is that they are very lethargic when they get in the house. I can literally just walk up to them and grab them with a piece of tissue and flush them down the toilet. It's very bizarre. Tonight was the least amount in a while...6.
Whats even stranger is that Mud-Daubers tend to be solitary wasps. They don't form colonies like bees and paper wasps. And they are very territorial...they will usually drive off any others that try to nest too close to them.

Did a little research and went to one of my favorite bug sites.

On this page, check out the third picture down... sounds like your bug and your problem...the person is also in So. TX.

What's That Bug: Hornets and Wasps
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