Found these strange dirt-like veins running up my basement wall. They crumble when touched but seem hollow inside. Do I have a leak or something else?

brown, and resemble ants without the constricted waist. Finding live termites in the tubes is a definitive sign of an infestation.

6. Other Clues Around the House That Point to a Termite Infestation
Beyond mud tubes, check for other indicators of termite presence throughout your home. Pay attention to areas where wood meets the ground or is in contact continue reading …