Pest Control Services - Termite Inspection
Napa Valley, Napa, County, San Francisco North Bay, Ca. USA

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When termites have already penetrated a building,

removing their means of access and destroying the colony with insecticides are usually effective means of stopping further damage. Feeder stations (baits) with small quantities of disruptive insect hormones or other very slow acting toxins have become the preferred least-toxic management tool in most western countries. This has replaced the dusting of toxins direct into termite tunnels which had been widely done since the early 1930s (originating in Australia). The main dust toxicants have been the inorganic metallic poison arsenic trioxide and, more recently, the insect growth regulator Triflumuron. These slow-acting poisons can be distributed by the workers for considerable periods (hours to weeks) before any symptoms occur and are capable of destroying the entire colony. More modern variations include chlorfluazuron, Diflubenzuron, hexaflumuron, and Novaflumuron as bait toxicants and fipronil and imidacloprid as soil poisons. Soil poisons are the least-preferred method of control as this requires much larger doses of toxin and results in uncontrollable release to the environment.

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