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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
Monochamus scutellatus, commonly known as the white-spotted sawyer or spruce sawyer or spruce bug or a hair-eater, [1] is a common wood-boring beetle found throughout North America. [2] It is a species native to North America.
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.
These worms are the larva or the larviform female adults of the Phrixothrix beetles. Their most distinctive characteristic is that they possess two colors of bioluminescence, meaning they can ...
The eggs hatch after some three weeks, each producing a 1 millimetre (0.039 in) long, creamy white, C-shaped larva. For three to four years the larvae bore semi-randomly through timber, following and eating the starchy part of the wood grain, and grow up to 7 millimetres (0.28 in). They come nearer to the wood surface when ready to pupate.
Wood preservatives can be used to prevent beetle infestation. Common treatments may use borate, and frequently structural fumigation. Items that can be infested by powderpost beetles include wooden tools or tool handles, frames, furniture, gun stocks, books, toys, bamboo, flooring, and structural timbers.
A gribble /ˈgɹɪbəl/ (or gribble worm [2]) is any of about 56 species of marine isopod from the family Limnoriidae. They are mostly pale white and small (1–4 millimetres or 0.04–0.16 inches long) crustaceans , although Limnoria stephenseni from subantarctic waters can reach 10 mm (0.4 in).
Trachykele blondeli is a species in the family Buprestidae ("metallic wood-boring beetles"), in the order Coleoptera ("beetles"). [1] [2] Common names include "western cedar borer", "powder worm beetle" and "western red cedar borer". [3] They live in Central America and North America. [2]