what is this on my thuja green giants? Eggs? aphids? ???
I have some visually flourishing thuja green giants (arborvitae) and over the summer have noticed branches with some grey/blackish dots on the tips......i can't see that they are moving, just don't know what they are.
There might have been a cluster of the same on the siding of my house...can't decipher if they are the same.
But more worried about the trees.
Thanks for any input!