Why does your Sinningia speciosa Empress Pink Bicolor have tiny black flies? Diagnose the cause and fix it with our step-by-step guide.
The tiny black flies are likely the adult stage of fungus gnats, which lay eggs in the moist organic matter of the potting medium. Their larvae feed on the fine root hairs of your Sinningia, potentially compromising its ability to absorb water and nutrients.
Gloxinias are highly susceptible to crown and root rot from overwatering. Constant moisture creates the perfect breeding ground for fungus gnat larvae and can lead to the soft, decaying stem tissue characteristic of this species.
As Sinningia leaves naturally age and die back, they create decaying biomass in the top layer of soil. This organic debris serves as a primary food source for the life cycle of small dipteran flies.
Your plant might also be experiencing one of these issues:
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