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Identifying Emerald Ash Borer. General symptoms Canopy thinning Epicormic sprouting Woodpecker feeding Bark cracks Native Ash Borers Damage Larval feeding tunnels Adult emergence holes Life stages Larvae Adults. Identifying Emerald Ash Borer. General symptoms Canopy thinning - PowerPoint PPT Presentation
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Minnesota First Detectors
Identifying Emerald Ash Borer General symptoms
Canopy thinning Epicormic sprouting Woodpecker feeding Bark cracks
Native Ash Borers Damage
Larval feeding tunnels Adult emergence holes
Life stages Larvae Adults
Minnesota First Detectors
Identifying Emerald Ash Borer General symptoms
Canopy thinning Epicormic sprouting Woodpecker feeding Bark cracks
Native Ash Borers Damage
Larval feeding tunnels Adult emergence holes
Life stages Larvae Adults
Minnesota First Detectors
General Symptoms
Canopy thinning
Epicormic sprouting
Woodpecker feedingBark cracks
Minnesota First Detectors
Thinning Crown
Minnesota First Detectors
James Smith
Woodpecker Feeding
Minnesota First Detectors
Bark Cracking
MI Dept. of Ag
Minnesota First Detectors
Diagnosing Emerald Ash Borer General symptoms
Canopy thinning Epicormic sprouting Woodpecker feeding Bark cracks
Native Ash Borers Damage
Larval feeding tunnels Adult emergence holes
Life stages Larvae Adults
Minnesota First Detectors
Native Ash Borers
Flatheaded borers
Roundheaded borers
Clearwing borers
Ash cambium miner
Ash bark beetles
Carpenterworm Jeff Hahn, Univ. of MN
Minnesota First Detectors
Dan Hermes
Native Ash Borers
Flatheaded borers
Roundheaded borers
Clearwing borers
Ash bark beetle
Carpenterworm
Linda Treeful
Jeff Hahn
Jeff Hahn
Minnesota First Detectors
Agrilus Damage is Found in Many Tree Types
Oak
Birch
Aspen
Honey locust
Walnut
Boxelder
Many others
Minnesota First Detectors
Diagnosing Emerald Ash Borer General symptoms
Canopy thinning Epicormic sprouting Woodpecker feeding Bark cracks
Native Ash Borers Damage
Larval feeding tunnels Adult emergence holes
Life stages Larvae Adults
Minnesota First Detectors
Damage – Larval Feeding Tunnels
Minnesota First Detectors
Damage – Larval Feeding Tunnels
Minnesota First Detectors
Damage – Larval Feeding Tunnels
Black ash
Minnesota First Detectors
Damage – Larval Feeding Tunnels
Minnesota First Detectors
Damage – Larval Feeding Tunnels
Minnesota First Detectors
EAB or Not?
Yes Not
Not Sure
0% 0%0%
A. YesB. NotC. Not Sure
Minnesota First Detectors
EAB or Not?
Yes Not
Not Sure
0% 0%0%
A. YesB. NotC. Not Sure
Minnesota First Detectors
EAB or Not?
Yes Not
Not Sure
0% 0%0%
A. YesB. NotC. Not Sure
Minnesota First Detectors
EAB or Not?
Yes Not
Not Sure
0% 0%0%
A. YesB. NotC. Not Sure
Minnesota First Detectors
EAB or Not?
Yes Not
Not Sure
0% 0%0%
A. YesB. NotC. Not Sure
Minnesota First Detectors
EAB or Not?
Yes Not
Not Sure
0% 0%0%
A. YesB. NotC. Not Sure
Minnesota First Detectors
EAB or Not?
Yes Not
Not Sure
0% 0%0%
A. YesB. NotC. Not Sure
Minnesota First Detectors
EAB or Not?
Yes Not
Not Sure
0% 0%0%
A. YesB. NotC. Not Sure
Minnesota First Detectors
Diagnosing Emerald Ash Borer General symptoms
Canopy thinning Epicormic sprouting Woodpecker feeding Bark cracks
Native Ash Borers Damage
Larval feeding tunnels Adult emergence holes
Life stages Larvae Adults
Minnesota First Detectors
Damage – Adult Emergence Holes
~1/8 inch wide
Minnesota First Detectors
Damage – Adult Emergence Holes
Minnesota First Detectors
Damage – Adult Emergence Holes
Minnesota First Detectors
EAB or Not?
Yes Not
Not Sure
0% 0%0%
0 of 30
A. YesB. NotC. Not Sure
Minnesota First Detectors
EAB or Not?
Yes Not
Not Sure
0% 0%0%
0 of 30
A. YesB. NotC. Not Sure
Minnesota First Detectors
EAB or Not?
Yes Not
Not Sure
0% 0%0%
0 of 30
A. YesB. NotC. Not Sure
Minnesota First Detectors
How Many EAB Exit Holes?
0 1 2
0% 0%0%0 of 30
A. 0B. 1C. 2
Minnesota First Detectors
Diagnosing Emerald Ash Borer General symptoms
Canopy thinning Epicormic sprouting Woodpecker feeding Bark cracks
Native Ash Borers Damage
Larval feeding tunnels Adult emergence holes
Life stages Larvae Adults
Minnesota First Detectors
Life Stages - Larvae
Minnesota First Detectors
Life Stages - Larvae
Minnesota First Detectors
EAB or Not?
Yes Not
Not Sure
0% 0%0%
0 of 30
A. YesB. NotC. Not Sure
Minnesota First Detectors
EAB or Not?
Yes Not
Not Sure
0% 0%0%
0 of 30
A. YesB. NotC. Not Sure
Minnesota First Detectors
EAB or Not?
Yes Not
Not Sure
0% 0%0%
0 of 30
A. YesB. NotC. Not Sure
Minnesota First Detectors
EAB or Not?
Yes Not
Not Sure
0% 0%0%
0 of 30
A. YesB. NotC. Not Sure
Minnesota First Detectors
How Many EAB Larvae?
0 1 2 3
0% 0%0%0%
A. 0B. 1C. 2D. 3
Minnesota First Detectors
Diagnosing Emerald Ash Borer General symptoms
Canopy thinning Epicormic sprouting Woodpecker feeding Bark cracks
Native Ash Borers Damage
Larval feeding tunnels Adult emergence holes
Life stages Larvae Adults
Minnesota First Detectors
Life Stages – Adults
Minnesota First Detectors
Life Stages – Adults
Minnesota First Detectors
Life Stages – Adults
Minnesota First Detectors
0%
0%
50%
50%
Which of the following is EAB?
A B C DJ. H
ahn
J. H
ahn
unkn
own
Dan
Her
mes
1. A2. B3. C4. D
