How to Kill Formosan Termites


Hailing originally from Asia and found predominately in the southern United States, Formosan termites are some of the most dangerous insects to have in or around your home. These termites are transported by the movement of soil, lumber, wooden crates and other wood products, and infest an area by swarming and mating. According to the Alabama Cooperative Extension System, a mature colony can contain between a million and 10 million termites. Eliminating these pests quickly and efficiently is essential to protecting your home and family.

Things You'll Need

  • Pest control professional
  • Termiticide (termite killer)
  • Fumigation chemicals
  • Look for signs of infestation. Because Formosan termites are subterranean, they general enter homes in areas that directly contact with outside soil, such as cracks, joints and holes for drains. Check these areas for termites or signs of their presence, such as tunnels leading to woodwork. Once they are established in an area within the home that contains moist wood, the termite does not need a direct line to the outside. Check near wooden fixtures and lighting installations for termite occupancy.

  • Contact a professional pest control operator if you find any signs of Formosan termites within your home. The operator will confirm an infestation, and take the proper steps to eliminate the termites. Have the professional treat the soil around your home with liquid termiticide to prevent the termites from having access to your home. Killing all of the termites in your home will not be effective if more can enter through the soil.

  • Request that the pest control professional conduct a fumigation if the termites have already infested your home. You can also use termite baits and traps; the termites within your home will feed from the poisoned bait and spread it to the other insects, helping to eliminate the colony. This will require a certain type of bait to kill Formosan termites specifically; be sure to check with your pest control professional that the proper chemicals are being used.

Tips & Warnings

  • Termite infestation should always be dealt with by professional pest controllers, who have access to proper chemicals and prevention methods. If you live an area that has a history of Formosan termite infestations, contract a pest control professional to inspect your home at least once a year. Formosan termites most commonly swarm in late spring or early summer. Having your home checked regularly and treated if necessary is the best way to protect your home. To prevent termite infestation in your home, eliminate areas in which wood comes into direct contact with soil. Extra insulation in these areas will help to prevent the termites from entering.
  • Fumigation will only kill the in-home colonies that have already built up; it will not effectively prevent termite invasion. You must have the soil around your home treated with termiticide to prevent infestation of Formosan termites.

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