On 8/5/2022 9:48 AM, Chris Zach via cctalk wrote:
  For fruit flies in kitchen put some apple vinegar in a
cup, cover it
 with saran wrap, make a few small holes in it with a knife and push the
 wrap into the cup (not touching the vinegar) to make a dimple.
 Works perfectly. 
   We use 2 parts molasses to one part apple vinegar.  You don't even
need the saran wrap!
        Doc