Origin: Europe, Asia and northern Africa
Impact: This woodwasp was introduced inadvertently into New Zealand, Australia, Uruguay, Argentina, Brazil, Chile, and South Africa. In these Southern Hemisphere countries, sirex woodwasp attacks exotic pine plantations, and it has caused up to 80 percent tree mortality. Most of the plantations are planted with North American pine species.
Learn More: Species Profile.
If you have spotted Sirex noctilio (Sirex Woodwasp), use this report form to send an email to the appropriate authorities.