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

  • Aphids reduce yields by direct feeding damage which causes flower and pod abortion and occassionally plant death in lupins.

  • Red imported fire ant, Solenopsis invicta, is one of the most serious ant pests in the world and was found to be established in Brisbane, Queensland, in 2001.

  • Banana spotting bugs are an impediment to the commercial production of most fruit trees including mangoes. The bugs are difficult to detect on the tree and can cause major and frequent damage.

  • This article provides information on chemicals registered for the control of the Australian plague locust in Western Australia.

  • This article provides industry and community information regarding control of the Australian plague locust in horticultural crops.

  • This page provides information on chemical control for the spur-throated locust in Western Australia.

  • The following article provides information on spur-throated locust control for some horticultural crops in Western Australia.

  • The pea weevil (Bruchus pisorum) in fact is a beetle, not a weevil and should really be called the pea beetle. It is one of the most damaging pests of field peas.

  • 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

  • Spur-throated locusts are mainly a tropical species which breed in the State’s north but can move large distances and can sporadically reach the Gascoyne and Mid-West regions.

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