Solenopsis molesta colonies may have up to several thousand workers and multiple queens. They tend to nest in or close to the nests of other ants and will steal food and larvae (as food). There is a strong preference for protein, as thief ants will feed on animal carcasses, but they are also attracted to sweets.
Control of thief ant ant workers can be accomplished through the use of baits. The workers carry the baited material back to the nest, eliminating the colony. Many different types of bait are available to the homeowner in this regard. However, baits containing hydramethylnon, fipronil or boric acid are slower acting and do not kill the workers before they have had a chance to share the baits with the queen and developing immature ants. Purchase baits that are specifically for protein/fat loving ants. Place the baits in areas where ant activity has been observed and make certain that children or pets cannot reach them. Maintain sufficient amount of baits to satisfy the colony by replacing used baits. It may require two weeks or longer to obtain control.
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