Galls are abnormal plant growths resulting from activity of the tiny, non-stinging cynipid wasps - (Diplolepis bicolor).
Rose galls occur on leaves or stems of the rose plant and are specific to the species of gall maker. The spiny rose gall is ...
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Rose galls occur on leaves or stems of the rose plant and are specific to the species of gall maker. The spiny rose gall is ...
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