Unlike termites, carpenter ants excavate smooth galleries to house their expanding colonies. Because these insects thrive in moisture-damaged wood, the frequent rainfall and humidity in Louisiana turn standard crawlspaces and exterior trim into high-risk zones. Detection remains difficult, as colonies often remain hidden behind walls or within concealed framing. Property owners should look for telltale signs, such as piles of sawdust-like frass near baseboards or faint rustling sounds emanating from wall voids. Other indicators include discarded wings near windows or soft, compromised wood surfaces.

Robert John III, COO at J&J Exterminating, emphasizes that these ants remain one of the most underestimated threats in the region. Early professional intervention is the most reliable way to assess damage and identify the moisture sources driving the infestation. Technicians typically focus on correcting drainage issues, repairing plumbing leaks, and ensuring proper ventilation in crawlspaces. Beyond professional treatment, homeowners can mitigate risks by trimming tree branches away from rooflines and storing firewood well clear of the structure. Addressing both the active colony and the underlying moisture conditions is essential to preventing long-term structural repairs.