Tag: invasive species

Hemlock Woolly Adelgid: What You Need to Know

For every tree, there is a pest that attacks it. Unfortunately, Hemlock trees are not immune to that fact. The accidental introduction of the hemlock woolly adelgid (HWA) from Japan in the 1950s, was a curse for Eastern Hemlocks, but to date not a major invasive in Ontario. They are a major threat though, and… Read more »

A Thorn in our Side: European Buckthorn

By Leslie J. Mehrhoff, University of Connecticut, Bugwood.org [CC BY 3.0 (http://creativecommons.org/licenses/by/3.0)], via Wikimedia Commons

Ontario is home to thousands of trees, shrubs and other plants; many of them native species. Sadly, many non-native species have also been introduced, some of which naturalize and others which become problematic. Those problematic plants are considered invasive species and their presence is taken very seriously. They often overtake native species and threaten their… Read more »

Treatment: The Story of Ash Injections

The plight of ash trees in London, Ontario is not breaking news. The emerald ash borer (EAB) crossed into Canada near Windsor in 2002 and has been marching across Ontario since then. Every year the spread becomes larger, despite the many preventive measures taken to stop the EAB. Despite the uphill battle, CLC Tree Services continues to… Read more »

An Unwelcome Traveller: The Gypsy Moth

An Unwelcome Traveller Travelling is an enjoyable pastime. You get to see new places, meet new people and eat new things. That is one of the reasons why gypsy moths got their name; they do all of those things. They easily attach onto objects, like tents, vehicles, firewood, lawn chairs and more, or quite happily blow… Read more »

An Ash Tree’s Story

We know the story all too well… The emerald ash borer (EAB) was discovered in Ontario in 2002. It is native to Asia and is believed to have arrived in North America via wood packaging or pallets. After establishing a foothold in the Detroit area, it crossed over into Windsor. By 2006, it had made… Read more »

Pitching a Tent

“What’s that in the tree? Is it a bag? A spider web?” “No! It’s tent caterpillars… “ Tent Caterpillars Oh, oh. Tis the season for insect infestations and tent caterpillars are just one of the insects which attack trees. There are upwards of 26 species of tent caterpillars, but the ones most commonly found in North… Read more »

Reaches of the Emerald Ash Borer

sign of emerald ash borer

Reaches of the Emerald Ash Borer in Canada It would appear that few areas are exempt from the emerald ash borer anymore. The above map is the most recent consolidated area where ash trees are being regulated. You cannot move wood, leaves, mulch, sawdust or ash material of any kind within this regulated area to… Read more »

Potential Positive Effects of a ‘Polar Vortex’

Has it ever been cold in London, Ontario this week! We broke some weather records around these parts with temperatures that dipped between -35°C and -40°C, with the wind chill factored in. That was cold and wintry enough to keep all area schools closed for an extra two days on the heels of winter holidays… Read more »

What Tree to Plant?

We talk about trees an awful lot here at the CLC Tree Services’ Blog. We have suggested when to plant them (Spring or Fall), how and why to plant them, and how to go about pruning them when the time comes for it. We have talked about specific trees, like the Caucasian Wing Nut, fir trees and rowan trees. Heck,… Read more »

Insects and Firewood: Leave Them Where you Find Them

We noted back in April on the CLC Facebook page that the Asian Long-Horned Beetle had been eradicated in Canada. That was great news for anyone that cares anything about trees! Sadly, that is but one of the invasive insects that prey on our native trees though. You will of course have heard of many… Read more »