How beneficial nematodes control onion fly
onion fly ( Delia antiqua ). The larvae of the onion fly can cause significant damage to the roots and bulbs of onions and related plants, sometimes even [...] seedlings, resulting in production losses early in the cultivation process. The larval stage is the most dangerous stage for the plants, as the larvae feed e [...] challenge is the Delia antiqua , female onion flies lay their eggs near the base of onion plants. Hatching from the eggs, the larvae crawl behind the leaf sheaths