Out of all the pests that homeowners face, there are none that are as costly and as damaging as termites. These insects feed on cellulose, the organic fibrous material in wood and plants, meaning that they will literally eat your house, so you’ll need to get rid of them fast.
A drywood termite infestation typically occurs when an existing colony sends out flying termite swarmers. Once these swarmers find a wooden crevice in your home, they shed their wings, carve out a little nest, and begin laying eggs to start a brand new termite colony
There are certain chemicals that can immediately kill the termite population of a particular colony. However, there may be restrictions on using certain chemicals in your locality. It might be against the law
Another answer for what can kill termites naturally is vinegar. You can use it diluted or without diluting.
It will kill present termites on contact and it helps to keep others from using the tube in which you sprayed the vinegar.
Repeating this application can help to stop early stages of an infestation as well as prevent future infestations.
Low temperature will terminate termites from your house. Low temperature would mean-20 degree Fahrenheit.
You would need liquid nitrogen to bring the down the temperature.