Aerial view of healthy (green) and silk moth damaged (brown) stands in the Priangare region. Ground view of silk moth damaged (brown) stands and undergrowth in the Priangare region.

Photo Credit: Sukachev Institute of Forest, 1999, 2000.

Photo Credit: Sukachev Institute of Forest, 1999, 2000.

Ground view of silk moth damaged (brown) stands and undergrowth in the Priangare region.

Aerial view of healthy (green) and silk moth damaged (brown) stands in the Priangare region.

View of healthy (green) and silk moth damaged (brown) stands .

View of healthy (green) and silk moth damaged (brown) stands .

Photo Credit: Sukachev Institute of Forest, 1999, 2000.

Aerial view of healthy (green) and silk moth damaged (brown) stands in the Priangare region. Note the patchy pattern of the damaged trees.

Aerial view of healthy (green) and silk moth damaged (brown) stands in the Priangare region. Note the patchy pattern of the damaged trees.
The trees with red foliage are damaged by the black bark beetle.

Photo Credit: Sukachev Institute of Forest, 1999, 2000.