Please visit our Program Updates page for the latest information on
the Maryland EAB Program.
To date, the emerald ash borer has only been detected in the U.S. in Michigan
(2002), Ohio (2003), one county in Maryland (2003, 2006), Indiana (2004),
Illinois (2006), Pennsylvania (2007), and West Virginia (2007).
MARYLAND SUMMARY:
2003 - On Thursday, Aug. 28, 2003 a Maryland Department
of Agriculture (MDA) inspector found emerald ash borer-infested ash trees at a single
Prince George’s County nursery. The U.S. Department of Agriculture (USDA) Systematic
Entomology Laboratory in Beltsville, MD confirmed the identification of the emerald
ash borer. Emerald ash borer (EAB) is a serious pest of quarantine significance.
Eradication efforts were completed in March of 2004. The Maryland Department of
Agriculture issued a Quarantine Order on March 17, 2004.
2006 - On Monday August 21, larvae detected in a sentinel ash
tree placed in the original eradication area as part of follow up survey activities,
and a girdled environmental tree just outside of the eradication area, but still within
the quarantined area, were confirmed as emerald ash borer by USDA. The Maryland
Department of Agriculture issued a revised Quarantine Order that prohibits
anyone from moving ash (Fraxinus spp.) trees, products, or any hardwood firewood
into or out of Prince Georges’s County until further notice. The County
was added to the federal emerald ash borer quarantine on June 1, 2007.
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