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What is this growth on the leaves of my alder tree?
What is this growth on the leaves of my alder tree?
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October 11, 2021 at 9:01 am Reply
I’ve been seeing this for a while now, anybody have any idea what it is? is it dangerous? is it a disease? These lumps on the leaves seem to be clustered on nearby leaves in different parts of the tree.
October 12, 2021 at 2:01 pm ReplyDid you try cutting one open? Maybe it’s one of those bugs that lays eggs inside and then it makes that ball of stuff, I forgot how it’s called.
October 18, 2021 at 7:08 am ReplyYeah, just tried slicing some of them open. There’s some kind of a worm in each one! I think it may be some kind of gall wasp. That’s what appeared when I started searching things out. Seems it isn’t dangerous for the tree and even though it’s a wasp, they don’t seem dangerous for us at all.
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