Tree and Shrub Pests

Browse the three categories for information on important insects, diseases, and weeds impacting trees and shrubs.

Insects

Spotted Lanternfly

Spotted Lanternfly

Spotted Lanternfly Lycorma delicatula Order: HemipteraFamily: Fulgoridae Description Spotted lanternfly (SLF) is an invasive planthopper native to Asia. Since it entered the US in 2014, SLF has ...
Japanese Beetle

Japanese Beetle

Japanese Beetle, Popillia japonica Japanese beetles have been one of the key insect pests of both turfgrass and landscape plants in the eastern US and now in the Western U.S. These beetles ...
Emerald Ash Borer

Emerald Ash Borer

Emerald Ash Borer, Agrillus planipennis Emerald ash borer is an invasive pest of ash trees. Larvae of this pest feed beneath the bark, eventually killing the tree. Emerald ash borer was found ...
Aphids on Shade Trees

Aphids on Shade Trees

Aphids on Shade Trees and Ornamentals Aphids are an extremely common insect in landscapes and gardens. In ornamental plants, shrubs and trees, some aphids cause wilting or leaf curling and ...

Diseases

This category is still under construction. Information coming soon. 

Weeds

This category is still under construction. Information coming soon.