How beneficial nematodes control onion fly
flies lay their eggs near the base of onion plants. Hatching from the eggs, the larvae crawl behind the leaf sheaths to enter the bulbs, where they feed and [...] process. The larval stage is the most dangerous stage for the plants, as the larvae feed extensively. Once the initial host plants are damaged, the larvae [...] challenged by onion fly ( Delia antiqua ). The larvae of the onion fly can cause significant damage to the roots and bulbs of onions and related plants