Rare white-letter hairstreak butterflies have been spotted after volunteers planted elm trees.

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 American elm (Ulmus americana) was once a common sight on the Upper Mississippi River, but Dutch elm disease, or DED, has killed many trees. DED is an invasive fungal pathogen that is spread by ...

Elm-lined streets were once ubiquitous in America. The trees’ success throwing beautiful, shady canopies over urban environments made them one of the most popular to plant in the country. Then a ...

A small, winged insect with a shiny black body and appetite for elm is now making its way across New York, after being detected in St. Lawrence County last year. The invasive species, called the elm ...

The elm seed bug hasn’t lived in La Plata County for long, but it didn’t struggle to gain a foothold in the region. It is harmless to humans, but it is an invasive species that preys on the seeds of ...

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 ...

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 ...