Asian long-horned beetle back in Canada
Return of the asian long-horned beetle As reported by the Canadian Food Inspection Agency, the Asian long-horned beetle (ALHB) has...
Asian long-horned beetle eradicated from Canada
Eradication of the asian long-horned beetle Since the original posting of this article the CFIA has again found the Asian...
Info Bulletin: Honey Locust Plant Bug
Honey Locust Plant Bug (Diaphnocoris chlorionis) Symptoms Leaf distortion Dwarfed leaflets Lack of pigmentation in leaves Tiny irregular holes in...
Birch leafminer treatment now available in Ontario
Toronto arborists provides birch leafminer treatment Birch leafminer, a type of sawfly which originated in Europe and attacks all types...
Info bulletin: emerald ash borer
Emerald ash borer The Emerald Ash Borer (EAB) is an invasive pest that arrived in North America from Asia prior...
Info Bulletin: Cytospora Canker
A disease causing branch dieback in many species of conifers, particularly in Colorado blue spruce. This disease also attacks other two and three needled pines such as mugo, Scots, and red pines.
Info Bulletin: Eastern Tent Caterpillar
A caterpillar that defoliates trees. Large numbers of this insect occur at intervals of approximately 10 years.
Info Bulletin: Diplodia Tip Blight
Diplodia is one of the most common and serious diseases of Austrian pines. It is caused by a fungus which becomes a destructive pathogen when its host is weakened by external factors. This disease also attacks other two and three needled pines such as mugo, Scots, and red pines.
Info Bulletin: Apple Scab
A foliar disease that causes loss of leaves, reduction in fruit yield, and inedible fruit. Common in most types of apple trees, especially common in crab apple trees.
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