Try to be less attractive to mosquitoes: dress in light, do not use perfume, stay away from water. In addition to using mosquito spray, there are other types of mosquito repellents: essential oils (citronella, peppermint etc.), mosquito plants and products (such as garlic, citrus fruits), as well as repellent bracelets and sticks, and many other devices - read more in 7 Tried and True Ways of Keeping Mosquitoes Away.