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Formosan Termite

C. formosanus

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    What are Formosan Termites?

    Formosan termites are a subterranean species of termite with three distinct castes: alates (or reproductive), soldiers and workers. Often referred to as “super termites,” they are the most destructive and silent of over 2,000 termite species known to science, chewing through wood, flooring and even wallpaper undetected.

    Pest Stats

    • Color: Creamy white to brown
    • Legs: 6
    • Shape: Long, narrow and oval
    • Size: 1/2 inch in length
    • Antennae: Yes

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    MICHAEL

    What Do Formosan Termites Look Like?

    It’s essential to know which termite group is causing problems because each one is quite different biologically and, therefore, requires different methods of control. Formosan termites are very similar to other subterranean termite species, like Asian subterranean termites and eastern subterranean termites, so it’s best to contact a PMi pest control professional to help with proper identification.

    It’s important to note that Formosan termite swarmers are often confused with flying ants, too. The best way to tell them apart is by looking at their waists, as termites have broad waists and flying ants have narrow ones. Termites also have straight antennae compared to bent antennae on flying ants. Lastly, termites have wings of equal size, while flying ants have bigger front wings.

    How To Identify Formosan Termites

    Signs of an Infestation

    There are four telltale signs of an American cockroach infestation. First, homeowners will see the fast-moving insects themselves usually fleeing to dark areas. Second, American cockroaches leave behind droppings in the dim areas in which they hide. These small droppings are blunt on the ends and have ridges on the sides. They are often mistaken for mouse droppings, so it’s important to contact PMi to identify a possible cockroach problem. Another sign of an American cockroach infestation is the presence of egg capsules, which are about 8 mm long and dark-colored. Egg capsules are sometimes glued to a surface near food sources, and can be found in basements, laundry rooms and kitchens, as well as behind appliances or underneath cabinets. Lastly, the American cockroach will produce a pheromone that some people describe as having a “musty” smell. People with sensitive noses may notice this odor around the house.

    Cockroaches are some of the most resilient pests in the world. They exhibit unique survival tactics, including the ability to live for a week without their head. This makes getting rid of American cockroaches a difficult task for homeowners to do themselves.

    People can take steps, however, to mitigate American cockroach problems through barrier exclusion and cleanliness. Barrier exclusion involves preventing cockroaches from entering the home through small cracks in walls, gaps near electric sockets and switch plates, and up through drains. Use a silicone-based caulk to seal these openings.

    Having a clean and sanitary home will also make it less inviting to American cockroaches. Homeowners should keep counters, sinks, tables and floors free of clutter and crumbs. Don’t leave dishes pile up in the sink or spills marinate on the counter. It’s also good practice to store food in airtight containers and avoid leaving pet food out in the open. Some other ways to prevent American cockroaches include vacuuming at least once a week to remove food particles, having PMi inspect crawl spaces to prevent moisture buildup and running water periodically in spare bathrooms to keep u-traps filled.

    If a cockroach infestation is suspected, contact PMi for advice on American cockroach control and elimination. We will be able to recommend an appropriate treatment plan to get rid of American cockroaches and help prevent a future problem.

    Infestation and Prevention

    Signs of a Formosan Termite Infestation

    There are a few red flags signaling a Formosan termite problem. The first sign that an area is infested with Formosans is the presence of swarmers or winged reproducers. Swarmers are often attracted to lights, so homeowners should keep an eye out for them (and their discarded wings) near windowsills, doors, lights, and vents.

    Formosan Termite Damage

    Another sign of a Formosan termite infestation is damaged wood that sounds hollow when tapped. The wood often appears to have been eaten away along the grain pattern.

    How to Get Rid of Formosan Termites

    Anyone suspecting a termite infestation should contact a PMi pest professional about Formosan termite control and treatment.

    Formosan Termite Prevention

    To prevent a future Formosan termite infestation, homeowners should consider scheduling a PMi professional termite inspection annually – or at least once every 3-5 years, according to the American Society of Home Inspectors. There are also some things that can be done both inside and outside of the home, starting with eliminating sources of moisture. Inside, homeowners should reduce humidity in crawl spaces, attics, and basements. Outdoors, divert water away from the home’s foundation to prevent Formosan termite access with properly functioning downspouts, gutters, and splash blocks. Regulate humidity in your basement or crawl space. Homeowners should also store firewood at least 20 feet away from the home and maintain a one-inch gap between soil and wood portions of the home. It’s also good practice to routinely inspect the foundation of the home for signs of mud tubes, visibly damaged wood and wood that sounds hollow when tapped.

    Education

    Distribution

    The Formosan termite was described from Taiwan (Formosa) in the early 1900s but is native to southern China. Formosan termites have long been a pest in Hawaii, dating back to 1905, but were not discovered in the continental states until 1956. They were thought to have entered the country on cargo shipments of wood via various port cities.

    Today, Formosan termites prefer mildly temperate climates (to 35 degrees north latitude in the United States). They are found in many states across the southern U.S., including Tennessee, North Carolina, South Carolina, Georgia, Florida, Alabama, Mississippi, Louisiana, and Texas. Smaller populations of Formosan termites have also been discovered as far north as the Canadian border. Most of the inland infestations are the result of Formosan termites being transported via shipments of railroad timbers recycled for landscaping purposes.

    Habits

    Formosan termites have similar habits to those of eastern subterranean termites. They live in huge underground colonies with an average of 350,000 workers, invading structures using mud tubes constructed up from the soil to wood. Formosans may also establish secondary carton nests above ground if a substantial moisture supply is available. Carton nests are made of soil and wood cemented together with saliva and termite feces.

    Formosan termite aerial nests are more often encountered than those of eastern subterranean termites. In fact, they account for about 25% of the structural infestations in Florida and for about 50% of those in high-rise structures in Honolulu, Hawaii.

    Formosan termite queens can produce more than 1,000 eggs per day. New colonies are created when winged termites, also known as swarmers, are released from the colony and swarm. Swarming usually occurs in the evening hours following a warm, rainy day in the late spring or early summer. A single colony of Formosan termites may release over 70,000 swarmers.

    Threats

    Because of their aggressive nature, Formosan termites are difficult to control once they infest a structure. Although colonies of several million termites are known, a mature Formosan termite colony can eat about 31 grams or 1+ ounce per day. At this rate, such a colony could completely consume one foot of 2X4 wood in 25 days – causing severe structural damage to a home in as little as six months.

    In addition to structures, Formosans infest living trees and shrubs, utility poles, landscape timbers, wooden railroad trusses, and even boats. They are also known to chew through the coverings of telephone and electric cable insulation, resulting in costly damage and power outages in cities.

    In 2005, the National Pest Management Association estimated that in the U.S., termites collectively cause more than $5 billion in damage each year.

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