Identifying Emerald Ash Borer

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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

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