Elm zigzag sawflies can munch on plants beyond their preferred elm trees when foliage isn't available, a new study suggests ...

As lead author Kelly Oten told the publication, "Like most invasive species, the elm zigzag sawfly probably isn't [spreading] ...

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

A city council committee backs seeking $100,000 from federal program to help assess the tree inventory this year, part of a ...

RALEIGH, N.C. (WTVD) -- An invasive insect that's originally from East Asia has arrived in North Carolina, according to researchers at NC State. The elm zigzag sawfly, or Aproceros leucopoda, first ...

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 ...

PORTLAND, Ore. (K O IN) — A tree representing a piece of Oregon history is entering its final days. Despite efforts from arborists and experts to save an “iconic” 154-year-old elm tree in downtown ...

The oldest elm tree in Portland and possibly all of Oregon has suffered a rough 2024 so far — and city officials say they have no choice but to cut it down next month, about 150 years after it took ...

Brown University’s 155-acre campus is home to thousands of trees and is recognized for its impressive American elm collection ...

COLORADO SPRINGS, Colo. — Crews were at work Friday helping preserve a historic tree near downtown Colorado Springs despite the snowy morning. Arborist company SavATree provided free pruning on the ...