Introduced plant and animal pests can have a significant impact on our natural environment and primary production, as well as being a general nuisance in our homes and gardens.

Over the years many foreign plants and animals have established themselves in Darwin and Australia. 

Foreign plant and animal species threaten Australia’s unique wildlife and ecosystems, carry diseases and cause damage to agricultural production. They can cause serious economic and environmental problems.

Some examples of introduced plant and animal pests in the Darwin Area include:



  • Yellow Crazy ant Anoplolepis gracilipes
  • Big-headed ant Pheidole megacephala
  • Ginger ant Solenopsis germinata
  • Cane toad Rhinella marina      
  • Feral pig Sus scrofa
  • Feral cat Felis catus
  • Feral Dog Canis lupus familiaris, Canis lupus ding


  • Bellyache bush Jatropha gossypiifolia
  • Candle bush Senna alata
  • Cabomba Cabomba caroliniana
  • Chinee apple Ziziphus mauritiana
  • Hyptis, Horehound Hyptis suaveolens
  • Lantana Lantana spp
  • Mimosa Mimosa pigra
  • Mission grass Pennisetum polystachion
  • Olive hymenachne Hymenachne amplexicaulis
  • Rubber vine Salvinia molesta
  • Sida species Sida spp


For further information on introduced pests visit the following websites:

Animal Pests


Plant pests


The National Banana Freckle Eradication Program is working to eradicate the fungal plant pest, banana freckle, which has been discovered in the Northern Territory and poses a risk to the Australian commercial banana industry.  Although banana fruit infected with banana freckle pose no threat to human health, Cavendish banana plants with the pest are being destroyed. To learn more, visit the web site or call the Banana Freckle hotline 1 800 771 163,  available 7 days a week. Click here for more information

Marine pests


Insect pests: