Why does your Begonia x semperflorens cultorum have fine webbing? Diagnose the cause and fix it with our step-by-step guide.
These tiny arachnids thrive in the warm, dry conditions often experienced by Wax Begonias. They pierce plant cells to suck out contents, leaving behind fine silk webbing and characteristic stippling on the leaf surfaces.
While less common than true spider mites, these pests can create fine silken threads around the leaf margins of Begonias. They cause leaves to turn yellow and eventually drop as they drain plant nutrients.
In extremely high humidity environments without airflow, fungal hyphae can sometimes appear as fine, hair-like structures. While not true webbing, it is often mistaken for mite silk on the fleshy leaves of Begonias.
Your plant might also be experiencing one of these issues:
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