Forest Pests of North America
Native and Non-native insects, diseases, and weeds of urban, managed, and natural forests

Damage Agents - Insects

hemlock wooly adelgid

Damage agents are anything that can cause injury or death to a host tree, including insects, diseases, weeds, and abiotic factors.

Choose the primary cause of the damage in the bar on the left and narrow down the results to the suspected or known damage agent. Once a final selection is made, information and pictures of the agent will be displayed.