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My neighbor's wood fence was getting all eaten up. Turned out they had also moved into my house. I also had "old damage" and found loose WINGS stuck to the house paint some season when they emerged. I called the exterminator who did the perimeter job and he also advised me I could also do it myself.
Taurus SC (same chemical as Termidor SC, exterminator said it was Fipronil, same chemical as in flea collars) solved both issues there's youtube videos on how to do it yourself trench/trenching tool & 5 gallon bucket , or a sprayer that mixes the right proportion. I believe it is listed for wood borer use also.

Additionally I drilled small holes in the sheetrock and treated inside the walls with Boracare which prevents rot, mold etc in case of water as well as containing a Boric acid Borax Boron mixture that lasts forever and can kill roaches spiders termites scorpions earwigs centipedes etc etc but isn't too harmful to people ... we wash clothes with borax... it kills plants though, follow all label directions on anything you do yourself, if that's what you decide to do.