JoAnne Skelly

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June 18, 2013
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JoAnne Skelly: Cottony maple scale visibly infests area’s trees

An interesting pest is infesting trees in the area, covering them with tiny puffs of cotton. It is cottony maple scale. This insect creates egg sacks that look like quarter- to half-inch-long balls of cotton on the trees. When there are heavy infestations, whole branches may be covered in white. The scale can occur on silver or red maple, honeylocust, black locust, euonymus, oak, boxelder, dogwood, hackberry, sycamore, elm, linden, willow and poplar. Usually these insects don’t cause problems. Healthy trees can tolerate a small to moderate infestation, but stressed or weak trees can suffer. Twig dieback can occur. Severe …

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The Nevada Appeal Updated Jun 18, 2013 01:55AM Published Jun 18, 2013 01:55AM Copyright 2013 The Nevada Appeal. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.