Root Aphids
Identification: Aphids that live in soil and feed on roots.
Symptoms: Stunted growth, yellowing leaves.
Control:
Beneficial Nematodes: Apply Steinernema feltiae to the soil to target root aphids.
Neem Oil Drench: Water the soil with a diluted neem oil solution.
Insecticidal Soap: Use as a soil drench to kill aphid colonies.
Companion Plants: Use marigolds to repel root aphids.