In this tree identification episode, Purdue Extension forester Lenny Farlee will talk about how American elm leaves have jagged edges with a large tooth and then smaller teeth like edges on top of it.

The elm trees on my street downtown have been infested the past couple of years with what I think are elm leaf beetles. We can see little striped worms climbing up the bark, and the leaves are chewed ...

DALLAS — The winter freeze this February was a tough test for trees across North Texas, and we're still seeing the impact months later. If your trees appear to be dying now, there's a good chance it ...

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 ...

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 ...

Leaves – simple, deciduous, alternate, about 5″, coarsely doubly serrate, usually scabrous above, and often pubescent below with an inequilateral base. Twigs – slender and zigzag. Buds – 1/4″, acute, ...

Leaves – Similar to U. alata, but singly serrate. Twigs – Similar to U. americana, but slender and brittle; with conspicuous globose flower buds. Fruit – Similar to U. americana. Silvics – Native to ...