Diagnosis & Management

Do You Have ISHB on Your Property?

This online assessment is intended to help detect the presence of ISHB (Polyphagous and Kuroshio Shot Hole Borers) on your property. Consider potential safety hazards, tree value (economic and ecological), available resources, and other factors unique to each situation when using this tool. Simply click the link below for access.

ISHB Detection Assessment

Diagnosis and Management

Ongoing research is currently pursuing treatment options for ISHB and Fusarium Dieback. Accurate identification of symptoms, containment of the current infestation, and preventative measures are also key to slowing the spread of the beetle.

Identifying Signs and Symptoms

Common signs and symptoms of ISHB


Learn about look-alike pests on ISHB host trees


Options for managing an ISHB infestation


Help us keep ISHB from spreading to uninfested areas

Infested Material Disposal

How to handle infested materials