Bark Lice Harmless

Daniel Gill  |  6/1/2016 7:59:38 PM

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You may be alarmed to see a thin film of silvery webbing over large areas of the bark of your trees in late summer.

The webbing may extend from the ground up the trunk and into the branches. The insects that produce the webbing, bark lice or psocids, are harmless.

They are scavengers and will not hurt the tree. No control is necessary.

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