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Anthracnose
Many deciduous hardwoods are susceptible to a leaf disease called anthracnose that is caused by various species of the fungus Anthracnose.
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Cottony Maple Leaf Scale
Cottony maple leaf scale females are 3 to 4mm long and 2 to 4mm wide. They are slightly convex and are brown with a yellow-brown ridge down the back. The body is covered with flakes of clear wax. Their eggs are white to pale yellow and are meshed in a white, cottony ovisac which may be up to 5mm wide and 12mm long. Newly hatched nymphs are pale yellow or green and translucent. They closely adhere to the undersides of leaves and are easily overlooked.
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Dogwood Anthracnose (Discula)
The early symptoms of discula anthracnose begin in mid to late May as leaf spots with tan or purple borders.
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Dogwood Borer
Adults are typical black and yellow clear-winged moth similar to but smaller than adult lesser peach tree borer and peach tree borer, with awing span of only ¾ inch.
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Dogwood Sawfly
Adult sawflies are wasplike. After the second molt, larvae become covered in a white powdery substance.
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Lecanium Scale
The European fruit lecanium is a key soft scale insect pest of shade trees and other woody ornamental plants in…
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Overview of Dogwood Diseases
A look at diseases, symptoms, causes and management of diseases that can affect the Dogwood tree.
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Powdery Mildew Cross Listing
While some powdery mildews attack a very few specific plants, others have a broad host range and infect many different…