Onion fly
wings. The eggs are laid by the female onion fly on the young leaves, necks of onion seedlings or in the soil close to the base of onion plants. The onion [...] emerge from the eggs tunnel into the onion bulbs, harming the roots and foliage. This leads to retarded growth, decreased yield, or even death of the plant [...] even death of the onion plant. The roots and leaves are harmed when the onion fly larvae tunnel into the onion bulbs. This damage may decrease the quality