Two-spotted spider mite. Photo credit: Frank
Peairs, Colorado State University, bugwood.org

Rhizosphaera on spruce. Photo credit: N.
Gregory

Two-spotted spider mites with mate guarding and eggs. Photo credit: unkown

Two-spotted spider mite damage. Photo credit: B. Kunkel

Japanese beetle adult. Photo credit: B. Kunkel

Japanese stilt grass mowed closely to prevent seed development. Photo credit: S. Barton

Establishment of trees. Photo credit: N. Gregory

Japanese stilt grass flowering in August. Photo credit: S. Barton

Bagworm in the pendulous bag
stage. Photo credit: B. Kunkel

Septoria leaf spot on hydrangea. Photo credit: N. Gregory

Bagworm in the ‘dunce cap’ stage. Photo credit: B. Kunkel

Anthracnose on maple. Photo credit: N. Gregory

Cottony maple scale close up. Photo credit: B. Kunkel

Cottony camellia scale close up. Photo credit: B. Kunkel

Sycamore anthracnose. Photo credit: N. Gregory

Hemlock woolly adelgid. Photo credit: PA Dept
Conservation & Natural Resources –
Forestry.bugwood.org

Septoria leaf spot on Rudbeckia. Photo credit: N. Gregory