- Skip Navigation

Note: This message is displayed if (1) your browser is not standards-compliant or (2) you have you disabled CSS. Read our Policies for more information.

Indiana Department of Natural Resources

DNR Home > Learn more about Invasive Species > Invasive Species Invasive Species


Exotic animal and plant pests are invading Indiana and multiplying, causing economic and visual damage. Fight back by learning the signs, reporting sightings and taking precautions.

Latest news

  • DNR adds LaPorte and St. Joseph Counties to Gypsy Moth Quarantine (view)
  • Transportation of black walnut products banned in Indiana to prevent introduction of Thousand Cankers Disease (view)
  • Tippecanoe County added to emerald ash borer quarantine (view)

Spot the threat

Aquatic (Water) Invasives

hydrilla aquatic invertebrates aquatic fish whirling disease, photo courtesy of Colorado Division of Wildlife

Terrestrial (Land) Invasives

purple loosestrife terrestrial invertebrates terrestrial vertebrates Thousand Cankers Disease of Black Walnut, photo courtesy of Ned Tisserate, Colorado State University

Report a sighting

WE NEED YOUR HELP! DNR is looking for sighting information for select species.

If you think you have seen an invasive species, report the sighting by following these steps:

  1. If possible, get a picture of the species.

  2. Click here to report the species.

DNR Links

Related Links

Purdue University Publications

Purdue University Programs/Services