@roger,
I just bought sticky spiral paper wrapped in wee tubes.. Crap, getting that in the room, the goo is on one of my good chairs. (what to do?) Plus there is that - my present fly trap failed re honey. I just added maple syrup, three days after the single fly is galloping.
I figure the flies like the sweating me much better.
This is all very odd. Back in Venice, our house was one with many open windows. We had a fly once in a while, but it left, out the window being as interesting. But, Albuquerque is not Venice, not opening windows part of the deal re swamp coolers.