The following are insect species that are considered invasive to Nebraska.
Click any photo below to learn more about these species and what you can do to help.
Asian Longhorned Beetle
Presence characterized by exit holes in tree, larval galleries under bark, or out-of-season yellowing of leaves.
Brown Marmorated Stink Bug
Feeds on various crops. Leaves small necrotic spots on fruit and leaf surfaces.
Cereal Leaf Beetle
Damages grain crops by feeding on leaves. Markings on leaves resemble elongated slits.
Emerald Ash Borer
Wood boring insect that leaves D-shaped borer holes along tree trunks, and larval galleries under bark.
Signs of presence are shot holes in leaves and foliage stripped from trees.
Causes skeletonized leaves and defoliation of host plants. Root damage to lawns caused by the larvae.
Mountain Pine Beetle
Bore holes in trees leaving sawdust. Causes blue stained wood from the beetle’s fungus.
Pine Shoot Beetle
Causes wilting on new branch shoots, stunted tree growth. Larval galleries feed throughout the trees.
Causes foliage to wilt and change color to red. Leaves resin beads from egg laying sites. Bores holes in tree.
Thousand Cankers Disease of Walnut Trees
First causes yellowing of leaves and thinning foliage. Then, fungus kills localized areas, which causes nutrient disruption and branch dieback.