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Category: Trees

Algal Leaf Spot

Of the various kinds of organisms that cause plant disease, plant parasitic algae are not the norm. The only species that is common in the United States is Cephaleuros virescens. It causes a disease...

Emerald Ash Borer

The emerald ash borer (Agrilus planipennis, EAB) is a non-native forest pest known for its bright green color, devastating impacts on the environment, and massive economic cost.It was first...

Pine Diseases

Pine trees (Pinus species) are important to South Carolina not only for their ornamental value but also for lumber, watershed management, wildlife habitat, and Christmas trees. There are over 125...

Camellia Diseases & Insect Pests

Camellias are one of the most desirable and well-adapted plants for Southern gardens. Many of the common problems of sasanqua camellia (Camellia sasanqua, C. hiemalis, and C. vernalis) and the...

Powdery Mildew

Introduction Powdery mildew is the name given to a group of diseases caused by several closely related fungi. Their common symptom is a grayish-white, powdery mat visible on the surface of leaves,...

Crapemyrtle Bark Scale

The crapemyrtle bark scale (Acanthococcus lagerstroemiae) is a recently introduced pest from Asia that initially infested crapemyrtles (Lagerstroemia spp.) in Texas during 2004. Since then, it has...

Rosy Maple Moth (Dryocampa rubicunda)

The rosy maple moth (Dryocampa rubicunda) is a silk moth in the family Saturniidae. Found throughout North America, this moth is not generally considered a pest, though its caterpillars have proven...

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