It was raw wood which i stained oil base and finished with polyurethane.
Sawdust on floor insect.
There are two insects that produce sawdust like frass.
After i wiped it a small pile of sawdust appears again in hours.
Larvae hatch enter the wood and feed excreting sawdust like waste called frass that is often visible on the floor.
Determine if your infestation is active with wood eating bugs then replace or treat wood with a borate based product to kill the larvae and get rid of wood boring beetles.
Ordered the invader spray from you and received and used it yesterday.
If more appears in a few days it likely means active insects in your wood.
A few weeks ago i noticed some sawdust from the bottom of a wooden pillar on the first floor of the house.
The other way to determine whether or not you have an active insect infestation is to call a professional.
These are definitely not termites.
The insects emerge as adults through tiny round exit holes.
The insect most likely to leave what look like sawdust piles is the carpenter ant see sawdust piles could mean carpenter ants.
Shortly after signs of powder post beetles were evident.
Carpenter ant frass looks like sawdust and collects in piles outside the nest.
Hi i live in a house built in 1960s.
Carpenter ants leave dump piles behind carpenter ants don t eat wood but they use their jaws to tear wood pieces out when they are creating their galleries inside.
Note the amount size and color of the feces.
This indicates that a large number of insects are present.
Have sawdust looking particles on floor under a ceiling beam along with ants.
Wood boring beetles such as powderpost japanese or any common furniture beetle can damage almost any wood structure.
I certainly do not want to refinish these floors so i am curious.
One way to help determine whether the sawdust is caused by an active insect infestation is to sweep or vacuum it up.
What can i do to solve this problem.
They drill through wood or foam to hollow out swiss cheese like nest galleries.
Hi i recently installed a new oak hardwood floor.
Carpenter ants and drywood termites.
Thank you in advance for your advice.
Look for small piles of sawdust insulation and insect body parts under a hole in a wooden part of your house.
I guess there is some insect inside the pillar.
Flooring and other materials.
Bits of insect feces or frass are so small that only a substantial accumulation will usually be noticeable.
Though it took me a week to figure out what the heck the little piles of sawdust were all about i am now adamant to get rid of these buggers.