The Q&A Archives: What are little black spots on the backs of lemon tree leaves

Question: I only see will black spots on the back of my
lemon tree leaves, I have to look through a magnifying glass to see them. The leave are all
dried up but do not fall off. Should I pull the
leaves off or just leave them, Will new leaves
grow back?

Answer: I wonder if your lemon tree has an infestation of spider mites? These tiny little pests can turn leaves yellow through their feeding. You might pick off a few of the leaves, seal them in a plastic baggie and take them to your cooperative extension office or well staffed nursery. Helpful folks there can identify the pests and suggest control strategies. Best wishes with your lemon tree!

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