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

  • The bumblebee is familiar to many people who have visited Europe and Tasmania however, this ‘cute’ exotic bee could become a serious pest if it is unwittingly introduced to Western Australia.

  • Thrips are small slender insects (1.2mm long by 0.1mm), just visible to the naked eye.

  • Cockroaches are primitive and highly successful animals and their general body form has changed little in the past 300 million years.

  • Expansion of potato production into the Mid West for winter production is a real possibility by using seed of the correct physiological age and quality.

  • 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.

  • Pesticide-treated seed and structural treatments to grain storage and handling areas may leave chemical residues in cereals, pulses and oilseeds unless managed effectively. Treated grain storage an

  • Grape phylloxera, Daktulosphaira vitifoliae, is a major pest in all grape growing countries around the world.

  • Keeping olive trees well-fed and adequately watered is the best initial defence against pests and diseases, since vigorous trees are better able to withstand attack and less likely to suffer long-t

  • 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.

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