Why does your Aloe brevifolia have tiny black flies? Diagnose the cause and fix it with our step-by-step guide.
The tiny black flies are likely fungus gnats, whose larvae thrive in the moist, organic-rich soil required by Aloe brevifolia. The adults emerge to lay eggs in the top layer of substrate, feeding on decaying organic matter and occasionally damaging delicate root hairs.
While not the flies themselves, excessive moisture in the Aloe brevifolia substrate creates the perfect breeding ground for fungus gnats. This moisture also causes root decay, which provides the decaying organic matter these insects need to thrive.
If there is fermenting organic matter in the potting mix or nearby decaying plant debris, fruit flies may be attracted to the Aloe brevifolia pot. Unlike fungus gnats, these are attracted more to the smell of fermentation than the moisture level of the soil.
Your plant might also be experiencing one of these issues:
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