I'd invest in a thermacell kit. Anywhere that sells mosquito repellent should have them. Those things actually work really well. They're pretty popular with my friends who hunt. Like this one and maybe a few refills to go with it.
I live off a swamp in FL. They are great.
Buy this:
https://www.amazon.com/Thermacell-R-5-Hour-Pack-Repellent-Cartridges/dp/B0158ZFJU2/