The elm zigzag sawfly has spread to 15 states in five years. Now it's attacking the tree that cities planted to replace Dutch ...

American elms, Ulmus americana, are native to North America from Saskatchewan to Nova Scotia and from Texas to Florida. They grow 60 to 80 feet tall, with a thick trunk, the shape of a vase and a ...

The leaves of many elms, especially Siberian elm trees, are yellowing. If you look closely, there may be yellow tunnels in the leaf, or the middle may be completely hollowed out and look like a puff ...

We cut down a large Siberian elm tree yesterday. Although these trees are renowned for elm leaf beetle infestations, in the early years of its life, it didn’t have elm leaf beetles. However, as it ...

The North Carolina Forest Service has been receiving reports of scorched-looking elm trees throughout central North Carolina, from Davidson to Johnston counties. But Jim Slye, the service’s Forest ...

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 ...

It feels like spring and our thoughts are turning to gardening. Turn to Ask an Expert, an online question-and-answer tool from Oregon State University’s Extension Service. OSU Extension faculty and ...

Stately elm trees, including many avenues of honour, are under attack from the devastating elm leaf beetle, on the march again after two mild summers. Councils had relaxed their pest control measures ...

American elms, Ulmus americana, are native to North America from Saskatchewan to Nova Scotia and from Texas to Florida. They grow 60 to 80 feet tall, with a thick trunk, the shape of a vase and a ...