Termites are one of the direst banes of any homeowner's existence. These tiny bugs live on the cellulose in wood. They're silent and stealthy and, if unidentified and left to their own devices, can cause enough structural damage that they literally eat you out of house and home. Professional extermination can be costly and involve toxic chemicals. If you identify the problem early enough, you may be able to nip it in the bud with boric acid.
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How to Identify Termites
Most termites stay well hidden, so you're unlikely to see them in their larval stage. But, they get bolder as they grow and are often attracted to light sources, just as moths are. Before panicking at the sight of a small, winged intruder, take a good look because termites greatly resemble the less harmful flying ant. Termites have straight bodies whereas flying ants have a clearly visible small waistline separating their upper and lower bodies. Both have four wings. On termites, all four are the same size, while the front wings of a flying ant are longer than their rear wings. Termites have straight antennae, and flying ants have bent ones.
How Boric Acid Works
Boric acid is a natural pesticide and wood preservative. It doesn't kill termites on contact. When they lick the boric acid off of themselves and swallow it, the boric acid inhibits the absorption of nutrients, starving them no matter how much of your house they eat.
How to Use Boric Acid
Boric acid is generally sold in powder form. This can be sprayed as is or diluted with water. Powder sprayers are available at most home improvement stores. Follow the manufacturer's instructions for use, and make sure that you wear goggles and a dust mask. Spray the powder in any areas you suspect termites may be nesting. This method is best for outdoor use. For indoor use, mix one teaspoon of boric acid with one cup of warm water in a clean spray bottle. Shake the bottle gently until the powder is dissolved. Soak all areas that you suspect are infested by termites. Repeat every day for three to five days, and then search for signs of further termite presence or damage.
When to Call a Professional
While termites will sometimes leave droppings and discarded wings or flit brazenly around your lights, they can also be more subtle. Paint that peels or bubbles can be a sign that you've got a termite problem. This is caused by the moisture termites bring to their nests to help them thrive. Another sign of a serious termite infestation is wooden floors that buckle upwards or feel spongy when you walk on them. This can mean that a termite colony is thriving between the wooden floor and the subfloor, and a colony that large requires professional extermination.