Euonymus scale. Photo credit: United States National Collection of Scale Insects Photographs, USDA Agricultural Research Service, Bugwood.org

Red thread on turf. Photo credit: N. Gregory

Dogwood spot anthracnose. Photo credit: N. Gregory

Azalea leaf gall. Photo credit: N. Gregory

Camellia leaf gall. Photo credit: N. Gregory

Honeylocust plant bug damage. Photo credit: Daniel Herms, The Ohio State University, Bugwood.org

Honeylocust plant bug adult. Photo credit: John A. Weidhass, Virginia Polytechnic Institute and State University, Bugwood.org

Buck moth caterpillar. Photo credit: Jeffrey Pippen

Botrytis on greenhouse cuttings. Photo credit: N. Gregory

Foliar nematode on peony. Photo credit: N. Gregory

Lace bug close up. Photo credit: B. Kunkel

Lace bug close up. Photo credit: B. Kunkel

Pine needle scale. Photo credit: N. Gregory and B. Kunkel

Fire blight of pear. Photo credit: N. Gregory

Hydrangea showing frost/freeze damage. Photo credit: M. Walford

Boxwood Leafminer. Photo credit: N. Gregory and B. Kunkel

Boxwood psyllid. Photo credit: N. Gregory and B. Kunkel

Early apple scab symptoms on leaf. Photo credit: B. Mulrooney