The main nutrition for termites is cellulose but when they fail to find one they can dig into such non cellulose items like carpets.
Termite droppings on carpet.
On the other hand saw dust look like shiny silvers and savings compared to the granular shape of the droppings.
They also leave droppings in appliances behind furniture and door or window sills.
As a result you will see piles of termite poop underneath the carpet.
Termites also can feed on the carpet pad subfloor and carpet tack strips.
If you noticed termites feces on the floor it means that they had probably infested it.
If you notice carpet or rug fibers getting worn in low traffic areas termites could be the cause.
The solution for their eradication is to treat the area underneath the carpet with termite control method and thereby replace the carpet.
The first sign of a termite infestation may be wormlike mud tunnels that run up walls or foundations.
While termites typically are feared for their wood destroying abilities they can consume any product made of cellulose including carpet fibers.
Subterranean termites generally do not leave behind visible droppings.
Termite droppings can be enclosed over by fitted carpet when they have infected subflooring or floorboards.
Termites also infest within the floor and hence you can see the poop kicked out from the cracks.
Termite droppings appear granular and their colors vary.
Yet if you floor is wooden or laminated you can easily confuse termite damage and water damage of it.
Isolated corners of rarely used rooms and storing areas.