Subject: Wtb?
Location: Delaware
June 28, 2014 5:35 am
I have found a swarm on my oak tree in delaware. I’m attaching a video and photo. Should I try to get rid of them? They look harmless but I don’t want to lose my tree that is holding up the treehouse.
Signature: Robin

Barklice

Barklice

Hi Robin,
As you have surmised, these Barklice,
Cerastipsocus venosus, are harmless, despite the alarming appearance of being an infestation.  Barklice, also called Tree Cattle, feed on lichens and they are benign, hence they will not cause harm to the tree or the folks using your treehouse.

Thank you! That was very informative and helpful!

Location: Delaware

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