Natural Mosquito Repellents 
These are from (http://www.almanac.com)

Burn a little sage or rosemary over coals to repel mosquitoes.
Eat some garlic or rub some on your skin
Rub cider vinegar on your skin or if you eat enough you will develop a body odor that will repel insects.
Planting marigolds, chrysanthemums, basil, anise, coriander, lemongrass, and catnip