| http://www.w3.org/ns/prov#value | - The presence of booklice can be quite an annoyance; however, they rarely cause significant damage to items.The indoor ones, such as the booklouse are wingless, and can scrape away at books and other organic material.Psocids or booklice are common but harmless insects between 1 mm and 2 mm long, which can survive in dry powdery foods.
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