22 авг. 2018 г. · Beech bark disease (BBD) is a devastating disease of American beech (Fagus grandifolia Ehrh.) caused by a combination of damage to the bark and vascular tissue ...

In North America, the disease occurs after extensive bark invasion by Xylococculus betulae and the beech scale insect, Cryptococcus fagisuga.

Beech Bark Disease · Scientific Name. Neonectria spp. · Common Name. Beech bark disease (BBD) · Native To · Date of U.S. Introduction · Means of Introduction · Impact.

Beech Bark Disease (Cryptococcus fagisuga/Neonectria spp. complex) French common name: Maladie corticale du hêtre · The advancing front begins when the non- ...

It is caused by the non-native beech scale insect (Cryptococcus fagisuga) and a fungal pathogen (Neonectria species).

Beech bark disease (BBD) is a disease-insect complex that involves both non-native (Cryptococcus fagisuga) and native (Xylococculus betulae) scale insects.

18 июл. 2014 г. · Information about beech bark disease, a forest insect (Cryptococcus fagisuga) and disease (Neonectria faginata) complex found in Ontario.

Fungal species. Two fungal species work with scale insects to cause beech bark disease. One species (Neonectria ditissima) is a native North American fungus ...

15 июн. 2022 г. · It occurs when the non-native beech scale, Cryptococcus fagisuga, feeds on beech trees and creates fissures in the bark, allowing Neonectria ...