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

  • Aim:

    To provide an update to the Western Australian grains industry on surveillance for Russian wheat aphid (RWA) in WA and effective management should the pest be found in WA.

  • Bananas in the Ord River Irrigation Area face two major insect pests (banana weevil borer and sugarcane bud moth) and two mites (russet and two-spotted).

  • Sweet potato weevil Cylas formicarius (Fabricius) is the most serious pest of sweet potato, not only in the United States, but around the world.

  • The swarming process is part of the natural reproductive life cycle of honey bee colonies.

  • Bees are becoming more of a problem because of the extension of residential areas into native bushland and the increase in the number of swimming pools, which attract bees, particularly in hot weat

  • Pale green, cigar-shaped, caterpillar up to 12 millimetres in length.

    The diamondback moth (DBM) caterpillar is a serious pest of brassicas that is difficult to control.

  • Asian longhorned beetle (Anoplophora glabripennis) is a wood-boring pest that usually targets deciduous hardwood trees such as elm, willow, poplar, maple and a variety of fruit trees.

  • There are many economic and financial implications that need to be considered when choosing a management option. These may include:

  • Adults up to 40mm long with black spot on tip of clear hindwing, 'X' shaped mark behind head and red shanks of hind legs

    Chewing pests that can cause complete defoliation if populations are high enough.

  • Cabbage white butterfly caterpillar

    Larvae of cabbage white butterfly are often found in canola crops. The larvae consume leaves but numbers are very rarely high enough to cause serious damage to the crop.

Filter by search

Filter by topic