Beech bleeding canker, Phytophthora leaf blight - Phytophthora kernoviae
Effective: June 1, 2022
Taxonomic Position: Pythiales : Pythiaceae
Pest Type: Fungi
Pest Code (NAPIS): FDARPUJ (Beech bleeding canker), FBSUXPUJ (Phytophtora leaf blight)
These Approved Methods are appropriate for: 2024, 2023
Pest Information
Hosts Identified in the CAPS Host Matrix:
Pest is vectored by:

Approved Method(s)
Method Detail NAPIS Survey Method
Water Sample Water/Soil sampling with rhododendron leaf baits. 3014 - General Water Sample
Visual Collect bark lesions, shoot, twigs, or leaves from symptomatic trees. 3031 - General Visual Observation
Water Sample and Visual Conduct both surveys. 6014 - General Water Sample and Visual
Method Notes:

Survey Recommendations
The following are recommendations for executing the survey using the approved methods for pest surveillance. The recommendations are developed through literature review and consultation with subject matter experts.
Key Diagnostic or Identification

Approved Method(s)
Mistaken Identities:
  1. Freeman, TN. 1958. The Archipinae of North America (Lepidoptera: Tortricidae). The Canadian Entomologist 90 (supplement): 1-8.
  2. LaGasa, E. Image: Adoxophyes orana male genitalia mount.

If you are unable to find a reference, contact See the CAPS Pest Datasheet for all references.