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Wood affected by woodworm. Signs of woodworm usually consist of holes in the wooden item, with live infestations showing powder (faeces), known as frass, around the holes.. The size of the holes varies, but they are typically 1 to 1.5 millimetres (5 ⁄ 128 to 1 ⁄ 16 in) in diameter for the most common household species, although they can be much larger in the case of the house longhorn beet
Woodworm holes and burrows exposed in wooden floorboard. The first step in pest control is prevention. Particularly important in this respect is to keep the timber dry - below 16% moisture content. A relative humidity within the building above 60% may lead to an infestation, and timber moisture content below 12% is too dry for an infection to ...
Fragment of a broomstick affected by woodworm. Woodboring beetles are commonly detected a few years after new construction. The lumber supply may have contained wood infected with beetle eggs or larvae, and since beetle life cycles can be one or more years, several years may pass before the presence of beetles becomes noticeable.
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Termites are the most devastating type of book-eating pest. They will eat almost every part of a book including paper, cloth, and cardboard, not to mention the damage that can be done to shelves. Termites can make entire collections unusable before the infestation is even noticed. [3] Powderpost termite; Western drywood termite
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Direct examination of the interior of the timber by destructive means is often not acceptable, and non-invasive means are required. Other means of identifying the wood-boring insects include pheromone traps; these are effective for the common furniture beetle and the house longhorn beetle (Hylotrupes bajulus) but not for the deathwatch beetle ...
Submerged homes at a village in Ilagan, Isabela province on Nov. 18, due to continuous heavy rains from Super Typhoon Man-yi. Filipinos cleared fallen trees and repaired damaged houses after the ...