If you can't keep them away, go to Harbor Freight and get an Electronic Fly Swatter. Then have fun eliminating the annoying little flying things while you're sitting outside. ๐
I've had fairly good luck with the Repel Mosquito lantern/fan. Not a very large area and needs to be up wind.
This post is my opinion (free advice). It is not intended to influence anyone's judgment nor do I advocate anyone do what I propose. Sold 04 Dynasty to our son after 14 great years. Upgraded with a 08 HR Navigator 45โ...