Bugs in TT when not in use?

I had a problem with Argentine ants, an infestation I think I picked up in Las Vegas a couple years ago. After fighting 'em for a while with ant bait traps that didn't help at all, I decided to try diatomaceous earth (food grade). The basement, the area under the water heater, furnace, fridge, and plumbing all got a thorough cleaning and re-dusting with the diatomaceous earth, and I haven't had ants since.

Stink bugs, on the other hand . . . . (they are immune to everything).