What you have could also be subterranean termites. These are more of a concern, since they do sometimes attack houses, but ...

They are no bigger than the width of a pencil. These termites cause more damage at faster rates than drywood termites. They don't leave frass droppings like drywood termites. The St. Augustine ...

Drywood termites don’t make colonies underground ... Formosan termites also form aerial nests high above the ground, such as near a leaky roof or chimney so you may never notice them until ...