Onion fly
also referred to as the onion maggot, is a frequent pest that harms allium plants, including leek, garlic, and onion crops. It is a small fly, measuring [...] 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 of a serious infestation [...] nematodes is 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