Bonide Mosquito Beater Area Mosquito Repellent is an all-natural, field-tested formula that effectively repels mosquitoes for up to 3 weeks. This non-toxic and biodegradable formula uses geranium oil, cedar oil, lemon grass oil, garlic and citronella oil to repel mosquitos naturally. Quick and easy to apply, simply broadcast granules on the ground directly from container or with a spreader.