and has spread through the Republic of Ireland and the UK since it arrived. It's estimated it could claim 90% of the islands' ash trees. "If you look at the top of an ash tree and see a branch ...

Thousands of invasive caterpillars which are threatening native ash trees have been spotted at locations across Belfast.The ...

Bristol City Council has agreed to spend the money on felling ash trees that are in the latter ... Part of the money will be spent on replacement tree planting, which will eventually increase ...

The UK government now recognises this innovative genomic approach as key to combatting disease in many other tree species, including elm and oak. A genetic approach to tackling ash dieback Ash dieback ...

Autumn colours at Whipsnade Tree Cathedral, Bedfordshire (National Trust/Justin Minns/PA) Ash dieback, which was first seen in the UK in 2012, causes leaf loss and crown dieback and can lead to ...

This fast-growing tree will adapt to many different landscape conditions and can be grown on wet or dry sites, preferring moist. Some cities have over-planted green ash. Green ash extends from ...

James Williams repeatedly warned the Green-led authority in Bristol that the 30ft ash in public allotments next door needed to be felled. It was only when the tree came crashing down - smashing ...

More than 90% of all ash infested by the insect native to Asia eventually die, threatening to make the tree species functionally extinct in North America. In response, researchers are working to ...

Spathius galinae adult inserting her eggs into an EAB larva within an ash tree Several species of wasp were rigorously tested at a quarantine facility on Cape Cod to make sure they only attacked ...

"If you look at the top of an ash tree and see a branch with no leaves, like bony fingers sticking out of them, that's ash dieback," Mr Reynolds said. "Five years ago, everywhere I went ...