Emerald ASH BORER - Pest Control, Tick Treatment and prevention

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• Emerald Ash Borer Galleries girdle the ash trees and foliage will wilt or turn yellow.
• Adults leave “D” shaped exit holes 4 to 5 mm across on the bark of infected trees.
• Shallow meandering “S” shaped tunnels under the bark with abrupt turns.
• Frass (refuse left behind by boring insects) or sawdust will be evident in tunnels.
• Tunnelling by larvae girdles the tree cutting off the flow of food and water; branch mortality leads to whole tree mortality and eventually tree death.
• Epicormic shoots (growing from a previously dormant bud) on branches and trunk.
•  Research suggests that insecticide treatments are significantly more effective on EAB-infested ash trees with less than 50% canopy thinning. Insecticide treatments are not recommended for trees with greater than 50% canopy thinning; these trees should be removed 

• Invasive – native to Asia.
• The emerald ash borer is an invasive insect that was first discovered in Ontario in June 2002.
• The beetle likely crossed into Ontario at Windsor after establishing in the Detroit area, where it probably arrived in wood packaging or pallets.
• Infestations now exist across much of southern Ontario, from Lambton County north to Grey County and east to Renfrew County and Ottawa; the insect has also been detected on Manitoulin Island, and a separate infestation exists in Sault Ste. Marie and est of the city to St. Joseph’s Island in Algoma District.
• The Canadian Food Inspection Agency regulated zone covers a much larger area, which likely has satellite infestations that have yet to be found.

“Invasive” refers to a species that has moved outside of its native habitat and threatens the new environment, economy or society by disrupting local ecosystems.

• The iridescent metallic green adults emerge in June and July and are 8.5 to 13.5 mm long.
• Adults have a flattened head, with large black compound eyes on the sides of the head, and short antennae.
• Eggs are laid one at a time in bark crevices on ash trees, and each female lays between 60 and 90 eggs.
• Larvae feed by chewing “S” shaped galleries under the bark.
• Larvae are cream-coloured, 26 to 32 mm long, flattened with a brown head and pincers.
• Larvae overwinter under the bark and pupate in April or May; adults emerge approximately two weeks later.
• In southwestern Ontario, the insect completes its life cycle in one year; however, farther north approximately 30 per cent of the population takes two years.

 Injection by a professional pesticide applicator is the best option for trees greater than 48 inches in circumference (15 inches in diameter). Sprayed and poured insecticides are not as effective and can drift or leach to surrounding areas and negatively impact insects and aquatic invertebrate animals. 

 The cost of treating your tree is based on the size of the tree. Tree size is determined by measuring the DBH (diameter of the tree at breast height, or 48 inches off the ground). Treatments typically range from $70-$200 per tree in the metro area and is recommended every two years. Protection costs less than removal and replacement and you retain the value of a mature tree on your property. 

 Most of the products available to homeowners are systemic insecticides containing imidacloprid and are applied as soil drenches around the base of ash trees. A few granular products are also available. Recent university research suggests that applications of imidacloprid should be made in spring to be most effective 

 Can a tree survive emerald ash borer? Among the tens of millions of trees killed by the emerald ash borer (EAB), researchers have found a small number of trees that survived their assault. Tests show that these surviving ash trees are more resistant to EAB than their counterparts. 

We Guarantee a Healthy Ash Tree will be EAB Free once treated for 2 Years or your money back!