New answers tagged pest
To supplement the other answers that recommend a one-way pest exit door based on the comments that the current hole size and location will not accommodate such a door: You can always patch the current hole, create a new one for the door (preferably in an inconspicuous location if possible), and then either remove and patch up the new hole after you are sure ...
You will need to install a one way pest door at the entrance they are using. Here is an example of one I found on amazon. http://www.amazon.com/Tomahawk-Excluder-One-Way-Door/dp/B00B9JVD7K
Usually the way this is handled is by installing one-way doors so that the squirrel can exit but not re-enter. They will exit throughout the day to obtain food, the exception being very young babies. I think at this time of year it is unlikely to have young babies in there, so you are probably safe (humane?) to use the one-way door and just wait for them ...
I just found this on the internet check it out it definitely is what you have. http://www.doyourownpestcontrol.com/drainflies.htm This site deals directly with drain flies and the other flies that might be mistaken for them in the same situation good luck let me know how it turned out.
I must agree that the question is largely unanswerable. However, your problem now is no longer "where" are they entering. Squirrels are very determined little critters. So, now that they have decided your home is theirs, your greater concern is changing their minds. There are three options: Find where you think the most likely entry point is and set up a ...
There's probably a few air bricks behind your kitchen units. Nail bit of fine mesh over them outside.
Find where they are coming from: follow the slimy tracks to whatever holes they are slipping through. Stop them from entering: seal up the holes. Prevent re-occurrence: keep all holes sealed; use snail/slug killer in outdoor planters adjacent to doors, windows, and holes.
Where do you live? Sounds a bit like Formosan Termites to me. Were there mud tubes in the wood? Probably been chemically treated by the last owner, so they're all dead now, but the damage has already been done.
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