I found these weird dirt tunnels running up the support beams in my basement. I poked one and it crumbled, but it looks like they go all the way to the subfloor. Is this serious?

Termite mud tubes on joists and other structural elements are a significant red flag because they indicate that termites might be feeding on the wood that supports your home. Joists are crucial components of your home’s structure, and any damage to them can compromise the stability and safety of your house.

Termites can consume a significant amount of wood in a relatively short period. A colony of termites can eat through a standard 2×4 piece of wood in about six