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

  • Clothes moths, carpet beetles and silverfish can be destructive household pests. Learn how to recognise and deal with them.

  • 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

  • Two mealybug species, the longtailed mealybug (Pseudococcus longispinus), and obscure mealybug (Pseudococcus viburni) occur in grapevines and deciduous fruit tree crops in Western

  • Citrophilus mealybug (Pseudococcus calceolariae) is a serious pest of many horticultural industries that can downgrade fruit quality and affect fruit production.

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

  • European house borer (EHB) Hylotrupes bajulus is a destructive pest of seasoned coniferous timber including pine, fir and spruce.

  • 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.

  • PestFacts WA (formerly known as PestFax) is an interactive reporting service delivered by DPIRD, providing risk alerts, current information and advice on pests and diseases threatening crops and pa

  • Citrus gall wasp (Bruchophagus fellis) is a pest of citrus trees. Discovered in the suburb of Eden Hill in 2013 it is now an established pest in Perth.

  • In Western Australia's Mediterranean-type climate, the survival of pests and diseases over summer is often critical in determining pest outbreaks and disease epidemics in broadacre crops.

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