Bio-Security Pest Threats

Bio-Security Pest Threats (9 results)

  • Hessian Fly

    Region
    Overseas
    THESE PESTS DO NOT OCCUR IN AUSTRALIA. SIMILAR SYMPTOMS OR INSECTS SHOULD BE REPORTED IMMEDIATELY Larvae are up to 5 mm long, pale-red at first, becoming milky-white. Moults into spindle-shaped dark-brown puparia that are 2-6 mm long called the “flax-seed stage”. Adult flies are about 3 mm long, and dark...
  • Khapra Beetle

    Region
    Overseas
    THESE PESTS DO NOT OCCUR IN AUSTRALIA. SIMILAR SYMPTOMS SHOULD BE REPORTED IMMEDIATELY Larvae up to 7 mm long. Yellowish at first then the colour darkens with each moult to red-brown in the final instar. Adults are oval, dark-brown beetles, about 2.5 mm long with yellow- brown to red-brown markings...
  • Pea Leafminer

    Liriomyza huidobrensis

    Region
    Overseas
    THESE PESTS DO NOT OCCUR IN AUSTRALIA. SIMILAR SYMPTOMS SHOULD BE REPORTED IMMEDIATELY Larvae (legless) are cream or pale yellow, typically maggot-shaped, and up to 2 mm long. Pupae look like tiny, shiny brown grains of rice. Adult flies are shiny, black and yellow, and about 2 mm long, with...
  • Barley Stem Gall Midge

    Mayetiola hordei

    Region
    Overseas
    THESE PESTS DO NOT OCCUR IN AUSTRALIA. SIMILAR SYMPTOMS SHOULD BE REPORTED IMMEDIATELY Larvae (legless) are up to 5 mm long, pale red at first, then becoming milky-white. Moult into spindle-shaped dark-brown puparia 2-6 mm long. Almost entirely smooth, the puparia stick to the plant tissue. Adult flies are about...
  • Sunn Pest

    Eurygaster integriceps

    Region
    Overseas
    THESE PESTS DO NOT OCCUR IN AUSTRALIA. SIMILAR SYMPTOMS SHOULD BE REPORTED IMMEDIATELY The Sunn pest refers to a group of insects representing several genera of the “shield bug” (Scutelleridae) and “stink bug” (Pentatomidae) families, with the species Eurygaster integriceps being the most economically important....
  • Pea Leaf Weevil

    Sitona lineatus

    Region
    Overseas
    THESE PESTS DO NOT OCCUR IN AUSTRALIA. SIMILAR SYMPTOMS SHOULD BE REPORTED IMMEDIATELY Larva is up to 6 mm long, milky-white with a yellowish-brown head, legless and has a curved (C-shaped) body. Adult is 5 mm long and greyish-brown with three light, lengthwise stripes on its thorax and wing covers,...