3 天之前 · The elm zigzag sawfly (Aproceros leucopoda Takeuchi ; Hymenoptera: Argidae) is an invasive insect from East Asia that feeds on and defoliates elm trees (Ulmus spp.).

2024年3月29日 · The elm zigzag sawfly (Aproceros leucopoda) is a nonnative insect that originated in eastern Asia (Japan and certain regions of China). It is now invasive in Europe (2003) and North America. The elm zigzag sawfly has been found in Virginia (2021), Maryland, Pennsylvania, North Carolina, New York, and Vermont.

The USDA Forest Service’s Eastern Region Forest Health staff released a pest alert on elm zigzag sawfly, an invasive insect that defoliates elm trees. Check out the pest alert to learn where the insect is found, how to identify it and the threat it poses to elm trees.

2024年8月10日 · The elm zigzag sawfly (EZS), Aproceros leucopoda (Hymenoptera: Argidae) is an invasive sawfly that attacks elm trees (Ulmus spp.). This insect gets its name from the distinctive “zigzag” feeding pattern of young larvae. EZS is native to parts of East Asia. In its native range it is considered a minor pest and is kept in check by natural enemies.

2024年8月22日 · There’s a new invasive insect taking aim at Wisconsin trees: the elm zigzag sawfly (EZS). The pest, named for the distinctive zigzag pattern its caterpillars chew in elm leaves, had its first Wisconsin sighting in Portage County on July 4.

The elm zigzag sawfly (EZS), Aproceros leucopoda, is a non-native defoliator of elms. EZS attacks several different species of elm and is most commonly found on Siberian elm (Ulmus pumila). The distinctive zigzag notching made by the larvae while feeding is the basis for its common name (Figs. 1 & 2).

2024年6月6日 · On an American elm leaf, biological technician Josh Wigal noticed a strange zigzag pattern. Luckily, this individual recognized it from a forest health training and immediately suspected the culprit – the elm zigzag sawfly (EZS). Native to Asia, this invasive insect was first discovered in North America in 2020, with initial discoveries in ...

Elm zigzag sawfly is an invasive forest pest native to Asia, specifically parts of China and Japan. This invasive species can cause severe defoliation of elm trees (Ulmus spp.), which can have cascading impacts on forest ecology, the economy and societal values.

2023年1月11日 · The elm zigzag sawfly (EZS), Aproceros leucopoda, is a non-native defoliator of elms. EZS attacks several different species of elm and is most commonly found on Siberian elm (Ulmus pumila). The distinctive zigzag notching made by the larvae while feeding is the basis for its common name (Figs. 1 & 2).

The elm zigzag sawfly (Aproceros leucopoda) is a pest of elm trees (trees in the Ulmus genus). Its larvae (caterpillar-like grubs) feed on elm leaves and, in large numbers and the right...