Root Maggots in Dahlias

Question

I’m having trouble with root maggots eating my dahlia tubers. Do you have an organic method to control them? I cannot cover the dahlias with a row cover, as I grow the large dinner plate type.

Answer 1

This article should help: https://www.gardeningknowhow.com/plant-problems/pests/root-eating-insects-identifying-vegetable-root-maggots-and-root-maggot-control.htm