Onion fly
including leek, garlic, and onion crops. It is a small fly, measuring between 5 and 7 mm long, with a grayish-yellowish body and clear wings. The eggs are [...] The roots and leaves are harmed when the onion fly larvae tunnel into the onion bulbs. This damage may decrease the quality of the onion bulbs and make the [...] quickly. So, spraying late in the afternoon will have the most effect. And yes, you can even spray during a rain shower. Then the nematodes are washed i