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

  • Invertebrate pests can cause extensive damage to truffles.

  • Medfly is a declared pest under the Biosecurity and Agriculture Management Act 2007, and is mandatory to control in some areas of Western Australia including Carnarvon, Armadale, Kalamunda

  • Queensland fruit fly is not present in Western Australia, but is occasionally detected and requires an eradication response to contain and prevent further spread.

  • Yellow-winged locusts (Gastrimargus musicus) are native insects, distinguished by bright yellow wings, they are 35-50mm in length when mature and make a distinctive clicking noise when fly

  • Up to date autumn/winter and winter/spring insecticide spray guides are provided by the department every year to help growers and consultants manage insect pests in canola, lupin and cereal crops.

  • The European wasp is considered one of the worst wasps in the world - harmful to people, our outdoor lifestyles and to our horticultural and agricultural industries.

  • The Department of Agriculture and Food received a report via the MyPestGuide Reporter app in April 2017 of an insect which has been identified as Sycamore lace bug Corythucha ciliata. This

  • Australian meat ants (Iridomyrmex purpureus gp) are a native ant species.

  • The Tomato potato psyllid (Bactericera cockerelli) has had significant market access implications for many Western Australian commodities.

  • Ant treatment and control options vary tremendously for homes, gardens, and businesses, depending on the ant species.

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