[2][3] Crop damage is caused by the creamy-yellow larvae (maggots) feeding on the outer layers of the carrot root.

[2] The flies lay their eggs around the developing carrots; the larvae, once hatched, burrow into the root.

[4][failed verification] Intermixing of crops can also be a fruitful way to confuse and avoid carrot fly attack.

[2] Another method of control is to use heavier, fine plastic mesh available from garden centers and over the internet made specially for the purpose.

The new name of Chamaepsila hennigi was proposed for the Carrot fly by Thompson & Pont in 1994.