Well then, you've discovered another one of nature's wonders: a tree gall. These are abnormal growths or swelling on trees' leaves, stems, or branches caused by various organisms such as insects ...

Scientists say there is new hope in the fight against a disease that is devastating ash trees. A study has identified the genes that give trees resistance to ash dieback, which arrived in the UK ...

Paul have completed the removal of the last ash trees from public spaces, marking a major milestone in Minnesota's fight against the invasive beetle. Almost all remaining ash trees have been ...

You could spot one or two, then dozens around the same tree. Oak galls are the result of gall wasps. Inside the galls are the insect's eggs and larvae. When the eggs are first laid, the galls will ...

as many evergreens are dying and many deciduous trees are covered with leaf galls. Leaf galls are growths in plant tissue that are caused by mites or insects feeding on the leaves. According to the ...

Ash trees in the UK will survive despite a fungal disease causing "significant losses", experts said. Ash dieback is in most parts of the UK, the Department for Environment, Food and Rural Affairs ...

During this lab, you will (collectively) test a number of hypotheses about the gall-forming sawflies on willows. Particular questions chosen by student groups, in consultation with the instructor, may ...

Sir, – On my daily commute in the west of Ireland, I drive along roads lined with dead and diseased ash trees, many of them very large and old, and almost all heavily shrouded in ivy.

The University of Virginia’s Grounds have attracted plenty of shrub scholars and garden groupies, but few know the tall and true tale of the McGuffey Ash, named for professor William McGuffey. The ...

All of Iowa's 99 counties confirmed having the ash tree-killing insect, emerald ash borer, the Iowa Department of Natural Resources reported Thursday. As one of the most commonly planted street ...

Bath arborist says the insect, which has been ravaging ash tree populations in other parts of the state, has found its way to Bath. Bath has a new invasive species of insect to contend with ...