The most common North American deciduous trees are elm, willow, beech, cherry, birch, and basswood. These trees each have their own unique qualities, from the heart-shaped leaves of the birch to ...

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 ...

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 ...

Its telltale trait, though, is its feeding pattern. As seen in the image above, the elm zigzag sawfly is known to eat the leaves of an elm tree in a zigzag path.

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 ...

An apple may not fall far from the tree, but for a leaf, it depends on its shape. Elm or apple leaves — oval and symmetrical, with few protruding lobes — fall quickly, making them likely to ...