Emerald Ash Borer
Emerald Ash Borer (EAB) is extremely invasive to our Ash tree population Emerald ash borer is a destructive wood boring insect that prefers all Ash tree species as it’s host to complete its life cycle. The emerald ash borer completes its most destructive period of its life cycle in its larval stage, between August and October of each year. These larvae feed on the inner bark and sap wood of the host tree creating galleries in the main trunk and larger branches that prohibit movement of water and nutrients from the roots of the tree to the leaves. The adult borer is an emerald green-winged beetle that has the capability of moving rapidly across the landscape in its quest of finding new host trees within which to complete its life cycle. Depending on the level of infestation, repeated life cycles of this insect will eventually kill the tree within a few years of initial infestation.
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First discovered in Canada in 2002
Emerald ash borer originates in China, Japan, Korea and several other far eastern countries. The insect was first detected in North America in the Eastern United States and has since migrated north into Canada. The Canadian Food Inspection Agency (CFIA) is monitoring the advancement of this insect in the province and has recently expanded and amalgamated quarantine areas in response to the further spread and detection of this insect within the Province of Ontario and Quebec. The emerald ash borer was discovered in Windsor, Ontario in 2002. More recently the insect has been confirmed in Toronto, Vaughan and Markham and was found in Richmond Hill in March of 2011, and most recently in northern York Region in 2012, among many other communities in Canada and the United States.
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