Onion fly
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 fly larvae that emerge from [...] important. The soil must be damp, bright sun must be avoided, as well as a lot of wind otherwise the product dries up too quickly. So, spraying late in the afternoon [...] fly damage. Small tunnels made by the larvae as they feed can also be seen in the bulbs. The bulbs may occasionally soften or decay, which may be a sign