Which ant can often be mistaken for the pharaoh ant due to similar appearance but differs in behavior?

The acrobat ant is often mistaken for the pharaoh ant because they share similar physical characteristics, particularly their small size and coloration. However, what truly sets the acrobat ant apart is its distinctive behavior. These ants are known for their unique defensive posture; they can lift their abdomens over their heads when threatened, forming a characteristic 'acrobat' stance. This behavior is a clear divergence from the pharaoh ant, which does not exhibit such an action.

Additionally, acrobat ants have a more aggressive nature compared to pharaoh ants and are often found nesting in wood, particularly in decayed areas, while pharaoh ants prefer warm, humid environments and are commonly found indoors. The difference in nesting preferences further emphasizes the behavioral distinctions between these two ant species.