Pest insects

Pest insects can have adverse and damaging impacts on agricultural production and market access, the natural environment, and our lifestyle. Pest insects may cause problems by damaging crops and food production, parasitising livestock, or being a nuisance and health hazard to humans.

Western Australia is free from some of the world's major pest insects. Biosecurity measures on your property are vital in preventing the spread of insects.

The Department of Primary Industries and Regional Development provides:

  • biosecurity/quarantine measures at the WA border to prevent the entry of pest insects
  • where relevant post border biosecurity measures
  • advice on widespread pest insects present in the state.

For advice on pest insects search our website, the Western Australian Organism List or contact our Pest and Disease Information Service (PaDIS).

For diagnostic services, please contact our Diagnostic Laboratory Services.

Articles

  • Measures approved by the Department’s Chief Plant Biosecurity Officer for commercially produced host fruit or plants moved from the wider quarantine area to other areas within Western Australia, fo

  • Queensland fruit fly (Qfly, Bactrocera tryoni) is considered to be one of the most serious pests of fruit and vegetables in Australia.

  • Department of Primary Industry and Regional Development testing of damaged rose samples from the Perth metropolitan area determined chilli thrips were responsible.

  • 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

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

  • Turnip yellows virus (TuYV, formerly known as beet western yellows virus) is an obligate plant parasite transmitted exclusively by aphids.

  • Thrips (Thysanoptera) are small, slender, soft-bodied insects, just visible to the naked eye.

  • Various insects and mites can damage native plants in home gardens. A description of some of the more important insect pests is given here, together with general methods for control.

  • Browsing ant, Lepisiota frauenfeldi, is an invasive ant originating from Southern Europe. This pest has a proven ability to monopolise resources and form super-colonies. 

  • Ruồi đục quả Queensland (Qfly) đã được khẳng định phát hiện tại Coolbellup, tọa lạc tại Nam Perth.

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