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

  • Slater

    Slaters have only recently become a problem in high rainfall crops sown into dense stubble.

  • Silver leaf discolouration

    Correct identification of insect pests is necessary in order to avoid economic damage being sustained and retain beneficial insects.

  • The Pome and Summer Fruit Orchard Spray Guide 2014-15 provides information on chemical products, both registered and those as minor use permits, to control insect, mite and mollusc pests, diseases

  • African black beetle (Heteronychus arator), is native to southern Africa. It has been present in Western Australia since the 1930s and occurs in the wetter coastal regions.

  • Apple looper (Phrissogonus laticostata) is a native insect that damages fruit in apple orchards and vineyards in the South West of Western Australia.

  • The common auger beetle, Xylopsocus gibbicollis, is a native insect that attacks grapevines in the South-West and Great Southern regions of Western Australia.

  • You’ve probably seen adults stamp their big feet in frustration when they realise bugs have munched through the vegie patch and mould has spoiled their flowers.

  • Apple dimpling bug (Campylomma liebknechti) adults feed on developing fruitlets of apples, pears, nashi pears and occasionally summerfruit (stone fruit) resulting in distortion that makes

  • Garden weevil (Phlyctinus callosus) was accidentally introduced into Western Australia from South Africa. This weevil is now a severe pest of grapevines and other horticultural crops.

  • 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.

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