If you want to buy a Solenopsis fugax, make sure you feed the ants insects, sugar water, and honey. The ant is part of the Myrmicinae subfamily. In practice, you'll mainly buy small, somewhat yellowish ants with this ant species. An alternative name for this ant species is thief ants. Although the ants look small and harmless, they can sting. This is absolutely not dangerous, however, a sting from this ant can cause a slight burning sensation.