Spotted lanternfly feeds on over 70 species, including black walnuts, roses, tree of heaven, red maples, and river birches, and is particularly damaging to vineyards and fruit orchards. If you see it, report it.
Kudzu grows quickly and smothers small plants and trees. Kudzu can often be seen covering buildings, signs, and telephone poles. Prevent its spread by removing it if you find it and avoid transporting seeds. If you see it, report it.
Sudden oak death is a plant pathogen that harms oaks and other woody plants by causing bark cankers, leaf spots, twig dieback, and eventual death. It spreads through infected plants, soil, and water so preventing its spread through timely diagnosis, disposal of contaminated material, and quarantines is paramount. If you see it, report it.
Bradford (callery pear) is an environmentally devastating tree that crowds out Indiana’s native plants by taking over forests and parks. Its white flowers have an unpleasant odor, some escaped trees are aggressively thorny, and the branches easily split and fall. Consider planting native alternatives to help prevent its spread.
Boxwood Blight is a plant pathogen that harms boxwoods by causing dark leaf spots, cankers on stems, and white sporulation on leaves and stems, eventually killing some plants. Using blight-resistant boxwoods, avoiding boxwood decorations, not cutting wet plants, and not composting infected plants can prevent the pathogen’s spread. If you see it, report it.
Mile-a-minute vine is a fast-growing vine with nearly perfectly triangular leaves that smothers and shades out native species. Prevent its spread by removing it as soon as it is found, and by properly destroying plant material. If you see it, report it.
Garlic Mustard can take over the understory of forests, interfering with the growth of native plants and acting as a reservoir for damaging plant viruses. Prevent its spread by removing and properly disposing of plant material.
Asian Longhorned Beetle is an invasive beetle that attacks many hardwood tree species, especially maples, horse chestnut, birches, willows, and elms. Once a tree is infested with the beetle, it cannot be saved. Prevent its spread by not moving firewood and inspecting susceptible trees for the beetle, frass, or circular exit holes. If you see it, report it.
Invasive Honeysuckles include several species of vines and shrubs from the genus Lonicera that grow quickly, covering large areas, shading out native plants, and girdling or weighing down trees. Prevent its spread by removing it from property and checking clothing for seeds.
Brazilian elodea forms dense mats in bodies of water, clogging pipes, crowding out native species, and impeding recreational activities. Prevent its spread by cleaning equipment before moving to a new body of water and disposing of aquarium and water garden plants properly. If you see it, report it.
Japanese Beetle is an invasive beetle accidentally brought to the US in the soil of ornamental plants. The grubs damage pastures and lawns by feeding on the roots of grasses. The adults overwhelm plants and skeletonize leaves. They eat over 300 species of plants, including crops, flowers, ornamentals, and fruits.
Burning Bush is an invasive shrub that is tolerant of full shade, and can grow in dense thickets, displacing native plants. Prevent its spread by removing it from property and replacing it with native species.
Asian Carp species overpopulate bodies of water and can jump out of the water when disturbed, harming people and equipment. They can harm other fish populations and pollute bodies of water, so if you catch one, do not throw it back. If you see it, report it.
Spongy moth primarily feeds on oak trees, and if the outbreak is large enough, they can defoliate and possibly kill trees. Prevent their spread by checking for egg masses before moving outdoor furniture and vehicles, and by not transporting firewood. If you see it, report it.
Norway Maple grows a canopy thicker than other trees, which allows them to spread and out-compete many native trees, including the sugar maple. Prevent its spread by pulling seedings on property and planting native alternatives where possible.
Black and pale swallow-wort are vines that damage the environment by covering large areas and out-competing plants used by animals for food and shelter. Prevent its spread by removing it from property and destroying its seedpods. If you see it, destroy it.
The Mute Swan is an invasive bird brought from Europe to populate urban parks. They are highly aggressive and known to chase humans, native birds, and other swans. They out-compete native birds for food and cause significant damage to aquatic plants during feeding. Prevent their spread by supporting the use of native swans in parks and ponds instead of mute swans.
Tree of Heaven is an invasive tree that can crowd out native trees and damage roads and sidewalks. It has an unpleasant smell and its sap can cause heart issues in some people. Prevent its spread by carefully removing from property.
Contact with Giant Hogweed causes severe burns on the skin. It crowds out native plants on roadsides and woodland edges, contributing to erosion. Prevent its spread by cleaning clothing after traveling through areas with giant hogweed and destroying seeds when found. If you see it, report it.
Japanese Hops harms the environment by growing in thick blankets that cover and out-compete other plants. Hairs on the stem can irritate the skin and the pollen can cause allergic reactions. Prevent its spread by removing seeds from clothing after encountering it.
Invasive Thistles spread across large areas, outcompeting native plants, decreasing crop yields, and reducing forage for livestock. Prevent its spread using consistent thistle management in fields and checking clothes for seeds after encountering it.
Multiflora Rose grows in dense bushes that can crowd out native plants on forest edges. Prevent its spread by removing it from property and replacing with native alternatives.
Oriental bittersweet is spread by animals eating the berries and by people using it for holiday decorations. It causes damage by covering and choking bushes, trees, and fences. Prevent its spread by removing it from property, not using it in decorations, and planting native alternatives.
Hydrilla is an invasive aquatic plant that grows in large mats, shading out native plants, slowing hydroelectric power production, and impeding boating and water recreation activities. When it dies, decomposition of hydrilla depletes oxygen in the water, killing plants and animals. Prevent its spread by cleaning and drying equipment before moving to a new body of water. If you see it, report it.
Hydrilla is an invasive aquatic plant that grows in large mats, shading out native plants, slowing hydroelectric power production, and impeding boating and water recreation activities. When it dies, decomposition of hydrilla depletes oxygen in the water, killing plants and animals. Prevent its spread by cleaning and drying equipment before moving to a new body of water.
Eurasian Watermilfoil is an invasive aquatic plant harms the environment by out-competing native plant species, taking their place but not providing food or shelter for native animals. The dense mats it forms on the surface of water impede water recreation activities and transportation. Prevent its spread by cleaning and draining equipment before moving to a new body of water.
Brown marmorated stink bug is an invasive insect from East Asia that feeds on fruits, crops, and ornamental plants, but it is most known for invading buildings and homes in the fall. Prevent its spread by checking vehicles and cargo for the insect before road trips.
Emerald Ash Borer is an invasive insect that kills trees by cutting off water and nutrient transport. Since it is primarily spread by humans, prevent its spread by not moving firewood.
Feral Hogs are a mix of domestic pigs and wild boars that damage the environment through excessive rooting, harming crops, parks, and wildlife habitats. Feral hogs are reservoirs for parasites and diseases that affect domestic animals and are notoriously aggressive, with males sporting large tusks. If you see it, report it.
Tar spot is a pathogen from Central and South America that produces small raised black spots on corn leaves, resulting in crop yield losses. Monitoring fields to help track and study the disease will be integral to further understanding it.
Thousand Cankers Disease is a disease caused by an interaction between the Walnut Twig Beetle and a fungus, Geosmithia morbida. The disease primarily affects walnut trees by yellowing foliage, thinning the upper crown, and forming cankers under bark, on branches, and on stems. Prevent its spread by not moving firewood and inspecting trees for signs of infection. If you see it, report it.