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white balls on tree branches

I have white balls all over a number of tree branches in one tree in my yard. There seem to be what look like bees flying around them but I am not sure. Like to know what this is. I have attached a picture. thx.
white balls.jpg
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Posts: 28233
Joined: Thu May 01, 2008 7:21 pm
Location: Zone 6, NJ (3/M)4/E ~ 10/M

Re: white balls on tree branches

What kind of tree is it. Are the branches dead? Could the white balls be fungus/mushroom-like?

Alternatively, do the balls look like cocoons? (ex. Mulberry tree / silkworm)
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Posts: 11676
Joined: Tue Jan 01, 2013 8:32 am
Location: hawaii, zone 12a 587 ft elev.

Re: white balls on tree branches

Get a hand lens and look at the balls closer. They look a little like mealy bugs. Mealy bugs form dense colonies on leaf bases and stems. There are also some on the leaf as well. I could not get a high enough closeup to make out individuals. ... ybugs.html
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