Plant biosecurity

The mission of Western Australia's plant biosecurity programs is to safeguard plant resources from exotic and established pests and diseases. The Department of Agriculture and Food, Western Australia (DAFWA) has adopted a 'biosecurity continuum' approach with pre-border, border and post-border biosecurity strategies as integral components of this approach.

The aim of DAFWA’s approach is to identify key threats to productivity, sustainability and market access and outline preventive and response strategies.

The management of biological risks to market access, product safety, quality, productivity and sustainability is a shared responsibility and can be managed together and cost-effectively by means of partnerships between industry, community and government.

DAFWA’s biosecurity policies and operations are targeted to facilitate safe trade, tourism and commodity movement whilst reducing exposure of the State's plant resources to exotic biological risks.

Articles

  • Citrophilus mealybug (Pseudococcus calceolariae) is a serious pest of many horticultural crops that can downgrade fruit quality and affect fruit production.

  • Polyphagous shot-hole borer (PSHB) Euwallacea fornicatus is a beetle native to Southeast Asia. The beetle attacks a wide range of plants by tunnelling into trunks, stems and branches.

  • The Biosecurity Blitz is back in 2022, with a special focus this year on reporting tree pests and diseases.

  • Serpentine leaf miner (Liriomyza huidobrensis) is a tiny fly whose larvae (grubs) damage plants by tunnelling through the inside of leaves.

  • Green snail (Cornu apertus) is a declared pest under section 22 of the Biosecurity and Agriculture Management Act 2007.

  • Brown marmorated stink bug (Halyomorpha halys) is a mottle brown coloured, shield shaped stink bug.

  • Codling moth (Cydia pomonella) is a serious pest of apples and other pome fruit and has the potential to cause severe crop losses.

  • Glassy-winged sharpshooter (Homalodisca vitripennis) is a sucking leafhopper known to be a vector to bacterium Xylella fastidiosa, which causes various serious plant diseases.

  • The larval stage of Spongy moth (Lymantria dispar) is a severe defoliator of a wide range of broadleaved trees and shrubs. This pest is not present in Western Australia.

  • A Quarantine Area Notice is in place that applies restrictions to the movement of host plants produced in the Quarantine Area to other areas in the state where tomato-potato psyllid is not known to

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