What are these black bugs attached to the guava tree? They are attached to branches and leaves. Do they harm the tree? Should I try to get rid of this? If so how? (This is in Sydney, Australia) enter image description here

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  • 2
    That's scale. They move to get there, but stay put forever. Sucking the life out of our babies. Scrape off and spray with soap or neem oil. Inspect more often. Nov 8, 2023 at 22:08
  • @YosefBaskin Any harm in leaving them on the tree?
    – xelber
    Nov 14, 2023 at 0:14
  • 1
    They will multiply forever and kill the tree. Nov 14, 2023 at 4:27


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