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.
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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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.