Category: Trees

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...

Black Twig Borer

Black Twig Borer (Xylosandrus compactus) is a species of a scolytid beetle and is one of the few ambrosia beetles that will infest healthy or stressed plants. The adult beetle is solid black, shiny,...

Oak Diseases & Insect Pests

Although oak trees (Quercus species) are well adapted to South Carolina, they can be commonly affected by many pests and diseases. Maintaining healthy oak trees, by following recommended cultural...

Galls & Outgrowths

Galls are abnormal swellings or localized outgrowths (tumors) of plant tissue. They are extremely variable in size, shape and their location on the plant. Some are little more than a blister on 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,...

Sycamore Diseases & Insect Pests

Of the 10 species of sycamore (Platanus species), one species, American sycamore (Platanus occidentalis) and one hybrid, London plane tree (Platanus x acerifolia) are common in South Carolina. Both...

Clemson Cooperative Extension Home & Garden Information Center

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