Similarly, you don't want invasive species ... These trees that grow more than 50 feet tall — white ash can even touch 120 feet — do your space no favors despite the shade utility.

An invasive species of insect is putting ash trees in Northern Ireland under threat, ecologists have warned. If you have visited areas around the tree-lined towpath which leads from central ...

The emerald ash borer (seen here sitting on a penny) is one of many invasive species impacting Chautauqua County. Submitted photo An invasive species is an organism that has been introduced to an ...

Newly hatched SLF are black with white spots and turn red before ... leads to the growth of black sooty mold The emerald ash borer is an invasive beetle from Asia that feeds on all native ash ...