How beneficial nematodes control onion fly
fly can cause significant damage to the roots and bulbs of onions and related plants, sometimes even killing seedlings. To combat this threat, growers are [...] 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 cause internal [...] extensively. Once the initial host plants are damaged, the larvae move from one plant to another, increasing the risk of widespread infestation and crop losses