The droppings from the subterranean termites are made to look like tubes of mud.
Drywood termite termite droppings from ceiling.
Drywood termite droppings are oval shaped tiny pellets or capsules with rounded tips and 6 concave sides.
Often these pellets look like coffee grounds however they can imitate the appearance of sand and sawdust as well.
When they clean out their nest they push these droppings out through holes.
Having had a look at the droppings from termites in a general way here is a discussion to bring out the difference between the droppings by the subterranean vs drywood.
So there would be small black marks and dark substances which would result into the termite droppings.
Termite droppings is the important sign of the presence of drywood termites.
Piles of wings or mud tubes.
The termite droppings measure around 1 mm in length and several of them together form into tiny mounds on the ground next to the exit.
The peculiarity of the drywood termite is frass fecal droppings of termites.
The appearance of the droppings depend on the type of species but mostly they are oval shaped tiny with six concave sides and rounded ends.
This makes it hard to distinguish them from the nests.
The feces frass can be of varied colors as per the color of wood that is being consumed by the termites.
Termite droppings vary with the type of termite species like drywood dampwood or subterranean types.
When drywood termites infest structural timbers in your ceiling cracks may occur due to the shifting wood.
Termite droppings drywood termites leave behind ridged light brown fecal pellets called frass.