The traps I make I'm pretty sure I got from this forum, I use 2 liter clear pop bottles or juice bottles , put in a cup of sugar, a cup of vinegar, a bananna peel, fill bottle with water until it is about half full , shake well , then I drill a hole about 1/2 inch in diameter, (some people drill a 1 inch hole) ,about 3/4 up the side of bottle then place a few feet off ground by tying string around neck of bottle and hanging.