Ants of the Solenopsis genus are considered one of the main pests in the urban environment, where they cause accidents with humans and animals due to their stings. Because they are invasive in most environments, these ants are difficult to control. Thus, this study aimed to describe a control methodology using a smoke spray and to evaluate its effectiveness in the field in the fire ants colonies. The study was conducted in a condominium in the municipality of Juiz de Fora, MG, Brazil, from July 2016 to October 2018. The equipment used for the control of ants was adapted from the "Smoke-type sprayer", which, through a hose injected the product into the colonies. After the control, monitoring was carried out throughout the area, in order to record the situation of the