than 10 years earlier. If old wood is attacked, the damage is usually greater. As the nutrient content of wood decreases with age the larva has to consume larger amounts of wood. In Australia the infection of home construction is mainly caused by the use of wood already infected with the eggs or larvae of the beetles if the wood is not properly kiln-dried in production. Gallery References Woodboring beetles Callidiini Building defects Household pest insects Monotypic Cerambycidae genera Insects in culture