Why does your Solanum lycopersicum Tex-2720 F1 have tiny black flies? Diagnose the cause and fix it with our step-by-step guide.
These tiny flies breed in the organic matter of overly moist tomato soil. Their larvae feed on fine root hairs of the Solanum lycopersicum, which can lead to stunted growth and nutrient deficiencies.
If there is decomposing organic matter or overripe fruit nearby, these flies are attracted to the moisture. While they don't target the tomato plant directly for food, their presence indicates high humidity levels that can promote fungal pathogens on the foliage.
While the adult flies are very small and dark, their primary symptom is serpentine white trails on tomato leaves. The larvae tunnel through the mesophyll tissue of the Tex-2720 F1 leaves.
Your plant might also be experiencing one of these issues:
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