BECKET — There’s a tiny insect new to Berkshire County that is munching on leaves, giving some trees a ghostly, wintry appearance even in the midst of summer — entirely defoliating elms. The elm ...

Figure 1: Cryptocline leaf spot on Elm (photo by Paul Bachi, University of Kentucky Research and Education Center) Figure 2: Cryptocline leaf spot on a young elm shrub. As the density of leaf spots ...

She’s less than a centimeter long, produces only daughters and is conquering the continent without a single male. Meet the elm zigzag sawfly, named for the delicate zigzag patterns it carves into elm ...

A new invasive species has been detected in Michigan's St. Clair County.

DELAWARE, Ohio (WCMH) – An invasive insect that leaves a pattern on elm tree leaves was detected in Ohio for the first time this summer. Officials found a population of elm zigzag sawflies at the U.S.