Polyphagous Shot-Hole Borer (PSHB)

Stay up-to-date with the latest, evolving information from the Department of Primary Industries and Regional Development (DPIRD).

If you suspect a plant/tree is infested with PSHB, please contact DPIRD immediately.

DPIRD Pest and Disease Information Service

(08) 9368 3080

A Quarantine Area Notice (QAN) restricting the movement of wood and plant material is in place:
https://www.agric.wa.gov.au/sites/gateway/files/PSHB Quarantine Area Notice and Exemptions.pdf

Residents in Zone A:

cannot move untreated or unseasoned wood outside Zone A, unless chipped to pieces that are 2.5 cm or less in diameter,
cannot move plant materials, including living plants, that are greater than 2 cm in diameter outside Zone A, and
must ensure any machinery used to handle green waste is cleaned before it can be moved outside Zone A.

Residents in Zone B:

cannot move untreated or unseasoned wood outside the Quarantine Area, unless chipped to pieces that are 2.5 cm or less in diameter,
cannot move plant materials, including living plants, that are greater than 2cm in diameter outside the Quarantine Area,
can move wood or plant materials, including living plants, into Zone A, and
must ensure any machinery used to handle green waste is cleaned before it can be moved outside the Quarantine Area.

Restrictions do not apply to grass and lawn clippings.

Further information including an interactive map showing the zones and requirements can be found at https://www.agric.wa.gov.au/borer