The beetle had been closing in on New Jersey's estimated 24.7 million ash trees for years from New York and Pennsylvania. Ash anthracnose and other foliar diseases are easily identified by the appearance of brownish, irregularly shaped spots or blotches. Emerald ash borer (EAB) is a non-native insect pest that infests and kills all species of ash trees. Emerald Ash Borer is the most common of all the diseases in ash trees. This may be Emerald Ash Borer damage. With 24.7 million ash trees, approximately 9 percent of New Jersey forests are susceptible to emerald ash borer attacks. Yellows Ash Disease: Ash Tree Borer. All ash trees in NJ should be considered at high risk for EAB. Learn about the cost to treat emerald ash borer. Ash Tree Disease: Emerald Ash Borer (EAB) The emerald ash borer is a metallic green wood boring beetle which is about 1 to 1.5 cm in length. Confirmed EAB Activity in NJ Through December 9, 2019, Emerald Ash Borer has been found in New Jersey in Bergen, Burlington, Camden, Essex, Gloucester, Hudson, Hunterdon, Mercer, Middlesex, Monmouth, Morris, Passaic, Somerset, Sussex and Warren counties. Emerald Ash Borer was discovered in New Jersey in May 2014 in Somerset County. Can ash trees be saved? It is understandable for arborists and landscapers to assume that Emerald Ash Borers (Agrilus planipennis) are the cause when they observe branch die-back of ash trees (Fraxinus genus).During the 21st century, this invasive Asian tree beetle borer has killed many 100’s of millions of ash tree species as it has spread across much of the eastern half of the United States. Treatment Options Dead leaves and aborted flower parts remain on the tree. EAB is now present in 23 U.S. states and two Canadian provinces. Work with a Certified (Licensed) Tree Expert or Approved Consulting Forester to help determine whether or not your ash trees are good candidates for a treatment program, or whether tree removal is the most appropriate response. This beetle attacks the nutrient-carrying vessels of the tree, and has infested millions of trees in the United States alone. Ash yellows disease cycle is still a mystery. Decline among ash trees, which along with oaks, maples, beeches and birches are commonly found in the lower Hudson Valley and throughout the Northeast, is not … As a local company we take pride in our community and the health of its trees. All ash trees in NJ should be considered at high risk for EAB: Even if Emerald Ash Borer has not yet been detected, all ash trees are considered to be at high risk of EAB infestation within the next few years. “We will be informing homeowners about the actions they can take to protect their ash trees from this tree-killing insect,” said New Jersey Secretary of Agriculture Douglas H. Fisher. Experts think it is transmitted by insect vectors such as leaf hoppers which also transmit viruses. The EAB is a small, metallic green, wood-boring beetle whose larvae feed on the inner bark of ash trees, ultimately disrupting the tree’s ability to transport … The emerald ash borer has decimated ash tree populations across the midwest as it slowly plods its way across the country. For help identifying ash trees and signs of disease, visit the New Jersey Department of Agriculture's EAB page or hire a certified tree expert by emailing … Ash trees are affected by disease and pests. I would be very concerned with this condition, especially since more than one specimen is exhibiting the problem. Trees usually free of the disease should not be sprayed. Emerald ash … Hymenoscyphus fraxineus causes a lethal disease of ash and represents a substantial threat both to the UK’s forests and to amenity trees growing in parks and gardens. Infestations throughout the U.S. and Canada have killed tens of millions of ash trees since 2002. The ash tree is a handsome, native, deciduous tree. Susceptible Species White ash, green ash The Emerald Ash Borer, a highly destructive insect from Asia, was detected in Morris County in 2017. Or your trees may have a disease (i.e., Ash yellows, rust or Ash decline). Report signs of the beetle to the Department of Agricultureat 609-406-6939. Take-down. Wells Tree & Landscape is a family owned and operated company based in Princeton NJ, where we have called home for over 43 years. 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