Citronella Essential oil of citronella contains compounds with high repellent activity, according to a research review published in 2010.
Tea tree is not only a green cleaning powerhouse, but it is also an antiparasitic, capable of destroying or suppressing the growth of parasites such as fleas, leeches, lice, and ticks. Use diffusion or direct topical application. Like bergamot, if those nasty critters do make a meal out of you, Australian tea tree can help beat the irritation from bites or stings.Rosemary: Flies and Mosquitoes, both, dislike rosemary.