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September 2010September 2010
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January 2011January 2011
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Randolph Response-2009Randolph Response-2009• Placed thousands of traps in 8 square mile Placed thousands of traps in 8 square mile gridgrid• Inspected thousands of treesInspected thousands of trees• Cut 70+ infested treesCut 70+ infested trees• Follow up surveys – traps, visualFollow up surveys – traps, visual• Federal quarantineFederal quarantine• Firewood regulationFirewood regulation
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Life cycle of emerald ash borer in Life cycle of emerald ash borer in Northeastern US & CanadaNortheastern US & Canada
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Adults are active from late May to mid-August. Each adult lives 3-4 weeks. Beetles feed on ash foliage.
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Adults mate; female lays single eggs on or just under bark. Usually 60-90 eggs per female but can range from 2 to 258 eggs.
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Larvae bore through bark in July & feed aggressively in serpentine galleries in the
cambium in August and September.
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Extensive galleries under bark disrupt translocation of water & nutrients in the tree
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Extensive tunneling causes canopy dieback and eventually…
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Death of the tree except for sprouting from the lower trunk.
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Larvae spend the winter under the bark and pupate in the spring
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Pupal development & emergence the Pupal development & emergence the following spring. Adults emerge from trunks following spring. Adults emerge from trunks
from late May to early Augustfrom late May to early August
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When adults emerge they leave a
‘D’-shaped hole about 3/8” wide
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Detecting EAB- before it’s too late!Detecting EAB- before it’s too late!
Visual signs (eyes of the public!)Visual signs (eyes of the public!) Traps & trap treesTraps & trap trees BiosurveillanceBiosurveillance
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Visual symptoms of infestationVisual symptoms of infestation
Strong evidenceStrong evidence Any metallic green Any metallic green
buprestidbuprestid beetle beetle D-shaped exit holesD-shaped exit holes Vertical splits in barkVertical splits in bark Serpentine galleriesSerpentine galleries Woodpecker Woodpecker
activity in late activity in late summer/fallsummer/fall
Weaker evidenceWeaker evidence Crown diebackCrown dieback Basal sproutingBasal sprouting
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What to do if you find a suspect EABWhat to do if you find a suspect EAB
Specimens of Specimens of suspectsuspect EABs should be placed in a EABs should be placed in a vial with alcohol(or in the freezer), and vial with alcohol(or in the freezer), and brought to:brought to:
1.1. Your local DEC officeYour local DEC office
2.2. Your local Cooperative ExtensionYour local Cooperative Extension
3.3. Your local Ag & Markets inspectorYour local Ag & Markets inspector
4.4. If you can, take digital photos and email them If you can, take digital photos and email them to one of the agencies above.to one of the agencies above.
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Purple Trap & Trap TreePurple Trap & Trap Tree
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2008 Trap Grid
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TrapsTraps Sticky Panel Sticky Panel
trapstraps Manuka oil Manuka oil
lurelure IdeallyIdeally hung in hung in
southern side southern side of ash tree, 30’ of ash tree, 30’ highhigh
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Biosurveillance byBiosurveillance byCerceris fumipennisCerceris fumipennis, a native wasp, a native wasp
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““Solitary”, ground-nesting, Solitary”, ground-nesting, buprestid-huntingbuprestid-hunting
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Will Will notnot sting people sting people
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Management: PrioritiesManagement: Priorities
1.1. PreventionPrevention1.1. Don’t move firewoodDon’t move firewood
2.2. Early Detection/Rapid ResponseEarly Detection/Rapid Response1.1. Visual Surveys, Traps, BiosurveillanceVisual Surveys, Traps, Biosurveillance
2.2. Public AwarenessPublic Awareness
3.3. Biological and Chemical ControlsBiological and Chemical Controls1.1. There is promising research, but useful tools may There is promising research, but useful tools may
still be years awaystill be years away
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Response: Response: CHOOSE WISELYCHOOSE WISELY
Know who to contactKnow who to contact Develop a planned Develop a planned
responseresponse How much ash do you How much ash do you
have in your woods?have in your woods? May want to reduce the May want to reduce the
percentage of ash via percentage of ash via sawtimber harvest or sawtimber harvest or timber stand improvement timber stand improvement