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Beech bark disease is a disease that causes mortality and defects in beech trees in the eastern United States, Canada and Europe. [1] [2] [3] In North America, the disease occurs after extensive bark invasion by Xylococculus betulae and the beech scale insect, Cryptococcus fagisuga. [4]
Cryptococcus fagisuga, commonly known as the beech scale or woolly beech scale, is a felted scale insect in the superfamily Coccoidea that infests beech trees of the genus Fagus. It is associated with the transmission of beech bark disease [ 3 ] because the puncture holes it makes in the bark allow entry of pathogenic fungi which have been ...
Beech bark disease is a fungus carried by a scale insect that infests American beech; Beech leaf disease is a nematode that also infests American beech; Butternut canker is a fungus that infects butternut (white walnut) Laurel wilt is a fungus carried on redbay ambrosia beetles that infects members of the laurel family
Beech bark disease, which is caused by the interaction of an aphid-like insect called a scale and a fungus, has also weakened some trees. On the walk through Albro Woods, Faubert found several ...
Beech bark disease has become a major killer of beech trees in the Northeastern United States. This disease occurs when the European beech scale insect, Cryptococcus fagisuga, attacks the bark, creating a wound that is then infected by Neonectria ditissima or Neonectria faginata, two species of fungi. This causes a canker to develop and the ...
The variant Nectria coccinea var. faginata causes beech bark disease, and can infect the tree via the feeding holes made by the beech scale insect Cryptococcus fagisuga. References [ edit ]
Ladybugs are another insect that might swarm your house this fall, covering your window screens and siding with their spotted red bodies. Fall ladybug swarms are most common in the western parts ...
Beech bark disease is a fungal infection that attacks the American beech through damage caused by scale insects. [38] Infection can lead to the death of the tree. [39] Beech leaf disease is a disease that affects American beeches spread by the newly discovered nematode, Litylenchus crenatae mccannii.