Purdue University

Cryptocline Leaf Spot (Anthracnose) of Elm, Purdue Landscape Report

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 ...
WRAL

New insect, invasive to NC, chews zigzag pattern into elm leaves

North Carolina has a new insect resident, one that poses a unique risk to elm trees. The elm zigzag sawfly (Aproceros leucopoda Takeuchi) was first detected in the United States for the first time in ...
WRIC

See this pattern on leaves? It could be an invasive insect

DELAWARE, Ohio (WCMH) – An invasive insect known for leaving unique patterns on the leaves of elm trees has been spreading this summer. In July, Ohio became the latest state to confirm a population of ...
Berkshire Eagle

There's a new invasive insect gobbling up elm tree leaves in Berkshire County: Meet the elm zigzag sawfly

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 ...
Staten Island Advance

New York City residents asked to be on lookout for new invasive pest which leaves tell-tale trail

STATEN ISLAND, N.Y. — Leaving a snaking pattern in its wake, the exotic elm zigzag sawfly has made its presence known in New York. The invasive pest, native to Asia, earns its name through the ...