A new, invasive insect species has been detected in Ohio for the first time, authorities said. The elm zigzag sawfly was spotted by researchers infesting elm trees in both Franklin and Delaware ...

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 ...

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

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 ...

Dutch elm disease has been present in the United States since the 1920s, when it began its rapid spread across elm populations, killing most American elms. Every year the disease continues to spread ...

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 ...

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 ...

The emerald ash borer (Agrilus planipennis) has plagued native ash trees in Illinois and Iowa since 2006 and 2010, respectively. This pest was first introduced in 2002 around the Detroit area and ...

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 ...