Subterranean termites (Reticulitermes spp.) are among the most destructive pests in North America, known for their ability to cause significant damage to wooden structures and other cellulose-based materials. They live in underground colonies, typically in soil or within damp wood, where they build extensive networks of tunnels to access food sources. Subterranean termites are social insects, consisting of a caste system that includes workers, soldiers, and reproductive individuals (kings and queens). Worker termites, which are sterile and blind, are responsible for foraging for food, feeding the colony, and maintaining the nest. They primarily feed on wood, but they can also consume paper, insulation, and other cellulose materials. Soldiers have larger mandibles and protect the colony from predators, while the reproductive members are responsible for establishing new colonies. Subterranean termites are often difficult to detect until significant damage has occurred, as they can cause destruction unseen within walls, foundations, and structural wood. Signs of an infestation may include mud tubes on walls, hollow-sounding wood, and the presence of discarded wings from swarmers—reproductive termites that leave the original colony to establish new colonies during swarming season. Effective management and control of subterranean termites involve a combination of preventive measures and treatments. This includes moisture control, proper ventilation, maintaining a distance between soil and wooden structures, and using treated wood or physical barriers during construction. Professional pest control services often employ liquid termiticides, baiting systems, and regular inspections to monitor and manage termite activity. Overall, subterranean termites are serious pests that pose a significant risk to the integrity of buildings and structures. Early detection and proactive management are crucial to mitigating their impact and protecting properties from costly damage.