Why does your Anethum graveolens have tiny black flies? Diagnose the cause and fix it with our step-by-step guide.
Pet FriendlyThe tiny black flies are likely fungus gnat adults, which lay eggs in moist organic matter. Their larvae live in the soil of your dill and feed on decaying plant material and fine root hairs, potentially causing wilting.
The presence of flies often indicates a highly organic, overly moist substrate. This environment promotes Pythium or Rhizoctonia, which weakens the dill roots and attracts fungus gnat populations.
While typically seen on legumes, certain aphid species can migrate to Dill. They appear as tiny dark insects that cluster on new growth and cause leaf curling or stunting.
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