|Western Drywood Termites|
|The Western Drywood Termite - Incisitermes minor|
Destructive Nature: The Western drywood termite causes most of the drywood termite damage in the western United States. Colonies can contain several thousand termites. Severe damage may be caused by the presence of multiple-colonies. The drywood termite as the name suggests can survive in timber with a low moisture content.
Drywood termites can be transported in infested furniture, picture frames, and other articles made of timber. The Western drywood termite has been occasionally found in St. George, Utah, Milwaukee, Wisconsin, Cleveland, Ohio, Niagara Falls, New York and other areas, but it has failed to become established in such areas outside its normal southern and mostly coastal range.
Identification of Timber Damage: Drywood termites eat across the wood grain and create chambers, or galleries connected by tunnels.
Identification: Faecal pellets are found throughout their tunnels. Generally, there are faeal pellets present. They are hard, less than 1/32'' long, elongate-oval with rounded ends. One of the unusual distinctive signs of their faecal pellets is that they have 6 concave sides.
Control of Western drywood termites - firstly, obtain a professional termite inspection to determine the extent of an infestation and locations of other possible drywood termite colonies. The results of the inspection will dictate the best treatment options as no single control method is best for all situations.
Where the infestation is severe and extensive - the entire building may need to be fumigated wtth sulfuryl fluoride (Vikane.). Fumigation is a highly technical procedure which involves surrounding the structure with a gas-tight tarpaulin, releasing the gas inside the seal, and aerating the fumigant after a set exposure time. Before fumigation, the homeowner must remove all plants and animals from the house, remove or place food items inside special protective bags, and insure that there is sufficient tarp clearance between sensitive landscaping and exterior walls.
Where the infestation is only localized - it may sufficient to effect local spot treatments of the termite colony. An insecticide is injected into small holes drilled in the timber and into termite galleries. This is the simplest and most direct method of treatment. The amount of drilling required and the effectiveness of this treatment depends on the termite control products used and the nature of the infestation.
Links to other websites: Clemson University - Drywood Termites - TAMU University - Termite Control Pesticides - University of Arizona
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