Harry Lauder’s Walking Stick Archives
Insects and diseases that can affect Harry Lauder’s Walking Stick (Betulaceae).
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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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Filbert Blight
Eastern Filbert Blight is caused by the fungus Anisogramma anomala and is indigenous to the Northeast United States.
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Japanese Beetle
Japanese beetle adults have metallic green bodies with coppery brown wing covers surrounded with 12 white tufts of hair.
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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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Spider Mites
Spider mites are not insects, and are more closely related to spiders.