mighty mint - 16oz insect and pest control peppermint oil - natural spray for spiders, ants, and more - non toxic mighty mint get rid of spiders, get rid of ants. mighty mint insect and pest control is a high-strength spray created to keep insects away without compromising on safety. this formula is made with natural peppermint essential oil, which is well-documented as a highly effective deterrent for insects, including many varieties of ants and spiders.