Worldwide distribution. In Australia, New Zealand, most Pacific island countries.
Major pest causing tunnels and staining in distressed, fallen trees and sawn timber. All stages completed inside tunnels, feeding on fungus introduced by adults as they bore.
Spread: adults emerge and fly short distances. Longer distance spread with domestic and international movement of logs and timber.
Biosecurity: high chance of introduction in logs and timber. Countries yet free should set traps at ports, and ensure crates, pallets and dunnage compliant with international standard: (http://www.fao.org/3/a0450e/a0450e.pdf).
Cultural control: remove felled trees as quickly as possible, and convert to seasoned timber.
Chemical control: not appropriate; insecticides unlikely to reach the beetles deep inside trees, logs or timber.