A few years ago the leek moth was seldom seen south of Ontario, Canada. Leek moth counts from multiple traps in garlic and leek fields in various Ontario counties in 2019. European native leek moth’s first North American record was in Ontario, Canada in 1993, and has since moved through New York into Vermont and threatens from the North. The Leek Moth (Acrolepiopsis assectella) larva is specialized to feed on the leaves of various plants belonging to the genus Allium. These are an invasive species of moth from Europe that was accidentally introduced into the Ottawa area (where I'm located) in … Leek Moths on the Garlic I've been taking a closer look at the garlic plants lately (mostly just checking for scapes to harvest) and just last night realized I have leek moths. Leek moth (Acrolepiopsis assectella) is an invasive pest of European and Asian origin.The first North American detection occurred near the National Capitol Region (Ottawa) in 1993. The adults lay eggs on the host plant, and then, a week or so later, small, yellow larvae hatch and begin feeding. The stupid Leek Moth – Wings closed. Fist starting in Europe, Leek Moths found their way to Canada in 1993. No clear peak flight of male moths early in the season as there has been in previous years. ), causing damage to the young leaves, flowers and cloves, resulting in a loss of yield. The leek moth is an invasive species, native to Europe. Leek moth favors plants in the allium family, especially onions, leeks, garlic, shallots and chives. Nowadays, it has become a serious pest of leeks, onions, chives and other alliums in the U.S. as well. It eats the leaves and bores into the stems of leeks. Immediately. The leek moth targets this vegetable specifically. Nowadays, they can be found in Ontario, Quebec and P.E.I in Canada, as well as, in New York. The adult moth is brown and white and is nocturnal, making it difficult to identify. Cover your garlic. Prevent these pests using a row cover and using proper crop rotation practices. See the Ontario Ministry of Agriculture and Food publication on the leek moth … Similar species or symptoms: The adult moth is similar in appearance to the carrion-flower moth. The Leek moth is in Ontario, Quebec and P.E.I in Canada and spreading. The other invasive onion pest, allium leafminer, it’s first North American record … What Are Leek Moths: Tips On Leek Moth Control. Hence, if you live in these areas and plant your own garlic, leek, and onions, keep reading. Pheromone traps were used to monitor flight patterns and numbers of adult leek moth during the growing season, while field populations of leek moth larvae and pupae were estimated through destructive plant sampling. The first generation of larvae eats the leaves. Rust. It was spotted for the first time in eastern Ontario in 1993 and in Quebec in 2001. In Asia and the U.K the Leek Moth is consider a minor pest. As a new pest to Canada, initial work focused on determining the life cycle of the pest under Eastern Ontario conditions. The caterpillars feed on plants from the Alliaceae family (leek, garlic, onions, chives, etc. Find out about leek moth damage and how to control these destructive pests here. In the United States the Leek Moth can officially be found in New York,, Vermont but other unconfirmed areas are possible. The disease, at its worst, may cause the plant to grow slowly or stop growing altogether. Since then, the leek moth has spread west through Ontario, east towards the maritime region (Québéc, New Brunswick, Prince Edward Island), and south into the United States (New York and Vermont). By Jackie Carroll. However, in continental Europe it has caused considerable damage, particularly to leeks. Rust is a fungal condition that causes leek leaves to turn brown.