Small dishes of cider vinegar with a drop of dish detergent liquid. They're attracted to the scent of the cider vinegar, the dish soap breaks up the surface tension of the liquid so the bug sinks instead of landing on the meniscus.
I like powdered smoke. Bit more versatile. It's still made from liquid smoke, https://www.spicesetc.com/category/s?keyword=smoke+powder
clumps up pretty hard overtime, but can be broken up and use easily enough.