28383a4e_n_Termites_vs_Drywood_Termites__Subterranean_Termites
[0] Basic Control Methods [Drywood Termites] With the appropriate area of termite activity identified, inject a liquid insecticide into the wooden structure and apply sealant to any of the remaining holes. [Subterranean Termites] 
Treat the structure using a liquid insecticide, use baiting systems and fumigation. Prevention is a better method of control for this type of termite.
Different Types of Termites: Subterranean Termites vs Drywood Termites
Subterranean Termites