Do Maggots Eat Plant Roots?

Do Maggots Eat Plant Roots? Do maggots eat plant roots? Particularly destructive to early season plantings, they feed underground on succulent roots and attack a large variety of vegetable crops including radish, cabbage, carrot, turnip and onions. Heavily infested roots are often riddles with tunnels and rotted. How do you kill root maggots in soil?