Garden care: How to control the Delia Antiqua(onion fly)
Garden care How to control the Delia Antiqua(onion fly) This fly (Delia Antiqua) is called onion fly or onion maggot because it most often infests onion plants, but it will sometimes attack garlic and even bulb flowers. Signs of the onion or leek fly can usually be seen with the naked eye. If the onions on your garden suddenly grow slowly, if their leaf plumes begin to turn yellow, wilt, and dry, and if the onions give off an odor that is completely unlike onions, then it is definitely infested with Delia Antiqua (Onion fly) . If you dig up the affected plant onion bulbs, you can see patches that resemble decay and later the onions become so soft that they can neither be stored nor eaten. WHAT DOES DELIA ANTIQUA (ONION FLY) LOOK LIKE? This insect really looks like a small fly and is light gray in color. The fly is about 0.4inch (1cm) long and can be distinguished from males by the dark stripe on its abdomen: only males have this stripe. Female Delia Antiqua (Onion fly) ar...