They don't leave frass droppings like drywood termites. The St. Augustine Record: What are the signs of a termite infestation? Banting: The most common sign of a subterranean termite infestation ...

which may be accompanied by small piles of sawdust-like droppings, called frass. Drywood termite-damaged wood has a smooth ...

Drywood termites are the most common in southern ... that sounds hollow when tapped or shows signs of damage Frass (termite droppings) located near infested wood Experts say reducing moisture ...