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Lemon-Scented Ants May Lurk in Your Garden

Have you ever been out digging in your garden and suddenly been surrounded by an odor of lemons? If so, you have probably disturbed a colony of larger yellow ants. When disturbed, ants commonly release a defensive compound that is irritating to predators and warns other members of the colony that there is a problem. In the case of larger yellow ants this compound smells to humans very much like citronella or lemon.