The woolly adelgid gets its name from the fluffy, cotton-like layer in which it lays its eggs. Aided by climate change and ...

The Hemlock Woolly Adelgid (HWA) is an aphid-like insect that feeds mainly upon Hemlock tree species. HWA was introduced into the eastern United States from Japan in 1951 by the import of infected ...

As the adelgid feeds, it injects toxic saliva into the tree, causing the needles to drop, eventually leading to tree death.

Aided by climate change and mild winters, research has suggested the insect could wipe out about 90 per cent of hemlocks in Nova Scotia. It has also been seen in parts of Ontario. Trending Now ...

Today, park officials estimate that 95 percent of Shenandoah’s hemlocks have succumbed to the adelgid. To preserve Shenandoah’s remaining hemlocks, a handful of park employees inject insecticide into ...

FREDERICTON - The offspring of beetles imported from British Columbia are ready to take up the fight against an invasive insect that is killing hemlock trees in Nova Scotia. Last fall and spring ...