An outbreak of hemlock woolly adelgid – an invasive, aphid-like insect species that kill hemlock trees by sucking sap from the base of their needles – has been discovered near Cobourg, Ont ...

The Eastern Hemlock – a majestic, ancient tree species found across the Eastern United States and Canada – offers shelter, food, and protection for over 120 species of vertebrates.

Hemlock Woolly Adelgid (HWA) is an aphid-like insect native to Eastern Asia that attacks and kills hemlock trees by feeding on nutrient and water storage cells at the base of needles.

Hemlock Woolly Adelgid (HWA) is a non-native, aphid-like insect. It is less than 1.5 millimetre in size and feeds on nutrient and water storage cells found in Hemlock tree needles. This can cause the ...

These invasive species are harming eastern hemlock trees. Hemlock woolly adelgid may be tiny, but they have no native predators and can reproduce on their own without mating. This means we just ...

Federal officials say woolly adelgid can kill several species of hemlock and spruce An invasive insect that's deadly to hemlock trees has been discovered in the Halifax area for the first time ...

As safeguards, residents should avoid placing bird feeders near hemlock trees to avoid transporting hemlock woolly adelgid to new locations. Residents should also brush off shoes, pants, clothes and ...

If residents suspect HWA to be present on their hemlock trees or on a city tree, they are asked to call their local CFIA Office at 905-572-2201 to have an official identification completed.

Hemlock woolly adelgid has been found in hemlock trees in west Hamilton. It can be identified by its egg sacs, which are typically found at the bottom of needles and look like cotton or snow clumps.

The woolly adelgid, an invasive pest that infests and eventually destroys hemlock trees, has made one incursion into Eastern Canada and biologists say it's likely to turn up again.