Recommendations needed for fly traps that work

[LisaMarieLMK]

Looking for recommendations for fly traps that actually work and can be hung in and around my outdoor duck house/coop. For fruit flies and other common coop flies.

 

[WVduckchick]

I have a couple of these, they are reusable (if you have the stomach to dump the contents). The bait stinks, so hang them out a little ways. Additional bait packets can be purchased too. They fill up quick!

 

[WVduckchick]

A couple pics I had posted last year, after it was only hanging for a couple of days

I couldn't believe how fast this thing filled up!
The pics were taken after just a couple days of it hanging. I've since moved it further away from the coop, and replaced the bait.

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