Cabbage root fly
generations. The cabbage fly lays about 120 eggs on the soil surface close to the host stem, or sometimes on the plant. Damage symptoms The larvae are root feeders [...] white in colour. The larvae are white or whitish-yellow, 7-10 mm in size, legless, with a wreath of appendages at the end of the body. The pupa is about 5-6 [...] feed on the aboveground part of the plant, creating tunnels in the veins of the leaves. Infested plants often exhibit yellowing, and leaves are drooping