Why does your Kalanchoe serrata have tiny black flies? Diagnose the cause and fix it with our step-by-step guide.
The presence of tiny black flies in a Kalanchoe is most commonly due to fungus gnats, whose larvae live in the top layer of organic matter. They thrive in the moist soil environments that succulent species like Kalanchoe serrata should ideally avoid.
Kalanchoe serrata is a succulent that requires well-draining media; constant moisture attracts pests and provides a breeding ground for larvae. High humidity around the soil surface also facilitates the life cycle of flying insects.
Old or peat-heavy potting soil can harbor decomposing roots or organic debris that attracts flies. As the Kalanchoe's older leaves decay at the base, they provide a nutrient source for insect larvae.
Your plant might also be experiencing one of these issues:
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