Pests and weeds

Pests

Department of Natural Resources and Mines Pest Management and Pest fact sheets

  • Freshwater mosquitos
  • Cane toads
  • Feral cats
  • Wild dogs
  • European fox
  • Red-eared slider turtle
    • Contact Department of Natural Resources and Mines 1800 999 367
  • Rabbits
  • Yellow crazy ants
  • Common myna birds
  • European honey bees
  • Deer
  • Exotic aquarium fish  (guppies, platys, swordtails, mosquitofish (gambusia), tilapia, carp/goldfish)
    • Ring Department of Primary Industries and Fisheries to report or identify 13 25 23
    • You can help by using only native fish in your aquarium (crimson spotted rainbow fish, pacific blue eye, firetail gudgeon, eel-tailed catfish). They are great for reducing mosquitos.
  • Termites
  • Rats and mice
  • Scrub turkeys
  • Exotic aquatic weeds (salvinia, senegal tea, alligator weed, water hyacinth, water lettuce, cabomba)

Weeds

Many weeds threaten our local bushlands and waterways.

Suggestions for eradicating weeds

  • Hand weeding. Make sure the whole root is removed or most weeds will grow again.
  • Mattock scraping. Khaki weed, bindi and low ground covers usually in the grass.
  • Heavily mulch.
  • Smother in black plastic.
  • Collect seeds and seed heads of annuals.
  • Broad spray with herbicide. e.g. Glyphosate - systemic, Dicamba - selective. Read and follow all instructions.
  • 90% concentration of Glyphosate (diluted with water 10%)
    • Cut and paint (wild tobacco, devil's fig, castor oil)
    • Scrape and paint (vines)
    • Double scrap back to back (Chinese Elm, Easter Cassia, Ochna)
    • Drill and fill (Camphor Laurel, Jacaranda, Cadaghi)
    • Frill and squirt
    • Chemical ringbarking (Leucaena)
  • Glove of death. Cloth glove over latex glove. Dip in prepared herbicide (10ml herbicide to 1 litre of water. Rub on leaves and stalks (Nutgrass).
  • Tongs of terros. Attach a small piece (aprox. 1.5cm x 5cm) of kitchen sponge to the inside of each tong of a pair of kitchen tongs using an elastic band. Dip in prepared herbicide (10ml herbicide to 1litre of water) and lightly pinch target weeds.
  • Boiling salty water (paths and pavers). Be very careful not to scald yourself.
  • Bend and paint. Bend the stalk until it snaps once, but is still attached, then dab concentrated herbicide on the bend. (Groundsel bush)
  • Make a weed tea. Place weeds in a perforated bucket in a larger bucket of water or use a hessian bag. When weeds rot and stop smelling, remove fermented weeds, dilute remaining liquid by adding 10 parts water to 1 part liquid. Use as a spray-on fertiliser.
  • Sheet mulch. Cover weeds with organic fertilizer and cover with newspaper at least six (6) sheets thick and overlapping by at least 15cm. Cover the sheets with mulch and leave for at least a month before planting.
  • Dig weeds in. Dig emerging weeds in with a mattock, before seeds form (green mulch)
  • Plant fast-growing appropriate native species
  • Eat them! (refer: Tim Low's "Wild Herbs")
  • Vinegar and salt. 2 litres of vinegar and 1 cup salt. Spray on weeds in brick paving.

Non-invasive alternatives

Grow Me Instead

  • 30 invasive urban plants identified
  • Help given in selecting non-invasive alternatives.


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