Emerald Ash Borer
Native to Asia and
high beginners easy a.
Eastern Russia, the Emerald Ash Borer is an invasive beetle which dramatically disrupts the flow of nutrients in the trunk of its host tree between the roots and crown.
Threat to Trees
1-3 Years from infestation to death
Signs & Symptoms
S-shaped larvae galleries and D-shaped emergency holes in bark, dieback over a number of years beginning at the top of the crown, epicormic sprouting just below larvae, vertical bark splitting, woodpecker feeding
Larvae are cream colored, slightly flattened and with pincher-like appendages. Adults are metallic green and approximately 8.5mm long. Adults begin feeding on crown immediately after emergence and begin mating within 1 week. Females lay eggs after 2-3 weeks.
Southeast Michigan, 2002
Connecticut, Illinois, Indiana, Iowa, Kansas, Kentucky, Maryland, Massachusetts, Michigan, Minnesota, Missouri, New Hampshire, New York, North Carolina, Ohio, Pennsylvania, Tennessee, Virginia, West Virginia, and Wisconsin