Onion fly
onion fly and bean seed fly What is Onion fly? The onion fly ( Delia antiqua ), also referred to as the onion maggot, is a frequent pest that harms allium [...] fly ( Delia antiqua ) infestations. Steinernema feltiae is a beneficial nematode species that is effective natural enemy of onion fly larvae. These nematodes [...] allium plants, 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