Unlike most native boring insects, this beetle can attack and kill relatively healthy ash trees. In Indiana cities we found this insect capable of killing most of the unprotected ash trees within 6 to ...

Homeowners who want to protect their ash trees from the destructive emerald ash borer should have trees treated no later than mid-May, a Purdue Extension entomologist says. Adult borers soon will ...

Ash trees can grow up to 35m tall and are most easily identified when in leaf. During spring, summer and early autumn they have compound leaves with 3-6 opposite pairs of light green, oval pointed ...

In 2012, a deadly new fungal disease targeting the ash tree arrived in Britain. Since then, ash dieback has killed millions of trees. Professor Richard Buggs and his team discovered genetic variation ...

Some landscaping trees put on a show year-round. The Korean mountain ash (Sorbus alnifolia ... and red and yellow leaves in ...

Early signs are showing the arrival of emerald ash borer in Willmar, where it's estimated that one quarter or more of the urban forest is comprised of susceptible ash species. Staff with the ...

Menominee Indian Tribe of Wisconsin member Sherri LaChapelle-Corn (Pitapanukiw) lectured on the plight of the black ash tree and taught a traditional basket weaving class for the Wisconsin Science ...

hasn’t decimated black ash trees on tribal wetlands to the same degree it has in the rest of the Great Lakes region. By studying the water table of forested wetlands, her current research hopes to ...

Ash trees can grow up to 35m tall and are most easily identified when in leaf. During spring, summer and early autumn they have compound leaves with 3-6 opposite pairs of light green, oval pointed ...