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Fighting black lice on hibiscus: harmless miracle remedies for the garden
Usually it is the black specimens that are found on fresh shoots and leaves. What can you do against lice on hibiscus?
First, the aphids cannot utilize all the sugar in the plant sap they drink and excrete it everywhere in the form of honeydew. Second, the presence of honeydew can attract fungal spores that develop into sooty mold, a disease caused by various fungi in the genera Aureobasidium, Capnodium, Fumago, Fumiglobus, Limacinula, and Scoriasntennariella. So how can you keep these pesky pests away from your plants - or get rid of them if they're already there?