They are smooth. Would a q tip with hydrogen pperoxide on it be good to just quickly run over the area, and then put water on itAre these just discolored like little tan spots or are these raised bumps. Scale insects could be raised little bumps. If these are tiny indentations then under 10x magnification you may be able to see a tiny ‘pin prick’ in the center of the sunken area. These could be insect feeding marks.
Or they could be harmless areas or discoloration that mean nothing. Hard to say.
Do you maintain a regular program of disease or insect prevention or control?
Sound advice!watch them and see
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