I used a small container (dipping-sauce bowl, or espresso cup), and poured in some wine (enough that they can drown). I then put the plastic wrap over the top, poked a few holes, and put it where they were flying about. By the next morning, there were a good 30+ in these containers (whereas the fruit and red wine vinegar traps had 5 or so).
It took a good three days of new traps, but over 95% were gone.
Thanks for the tips. Hope this feedback is helpful.
By Oscar from Canada
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