In summary, orange oil does, in fact, kill termites but it is limited in its effectiveness. It is considered a secondary spot treatment as it is only effective when it is applied to areas with active infestations.

Will oil stop termites?

The western drywood termite, Incisitermes minor (Hagen), is a common structural pest in the United States native to California, from the border with Mexico to Central California and inland to the Sierra Nevada Mountains. ... Wintergreen oil kills termites, but it doesn't hurt people or their pets.

What really kills termites?

Boric Acid: Boric acid is a tried-and-true method for killing termites. Many of the termite insecticides you can find at the store use the highly effective boric acid as the main ingredient. Boric acid works by dehydrating the termite and shutting down its nervous system.