Asian Longhorned Beetle Identifying Characteristics: Large 1” – 1 ½” long body Shiny black...
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Transcript of Asian Longhorned Beetle Identifying Characteristics: Large 1” – 1 ½” long body Shiny black...
Asian Longhorned Beetle
Identifying Characteristics:• Large 1” – 1 ½” long body• Shiny black outer wings with around 20
white spots• Very long white and black striped
antennae• Six legs• Can have blue-ish feet• Beetles most often seen in late summer
Asian Longhorned BeetleIdentification
.75 - 1.5 inch
bo
dy len
gth
Shiny Black Body
Blue-ish Legs and Feet White Banded Antenna
Bright White Spots
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Asian Longhorned BeetleLifecycle
Asian Longhorned BeetleCommon Host Trees
• Maples*• Willows*• Aspen• Birch• Elm• Box Elder• Buckeye
• Horsechestnut• Katsura• London Planetree• Mountain Ash• Poplar
(Cottonwood)• Ash
*Most Preferred
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Willow
Maple
Birch
Asian Longhorned BeetleMap – Range of Asian Longhorned Beetle
American Elm
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1. Crown of tree declines first
2. Feeding galleries under bark
3. Exit holes are perfectly round, and the diameter of a pencil
4. Infestation can cause patches of trunk to appear black and covered in sap
5. Sawdust (frass) can accumulate on branches and at the base of the tree
Asian Longhorned BeetleWhat to Look For
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1. Crown of tree declines first
2. Feeding galleries under bark
3. Exit holes are perfectly round, and the diameter of a pencil
4. Infestation can cause patches of trunk to appear black and covered in sap
5. Sawdust (frass) can accumulate on branches and at the base of the tree
Asian Longhorned BeetleWhat to Look For
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2
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Asian Longhorned BeetleWhat to Look For
1. Crown of tree declines first
2. Feeding galleries under bark
3. Exit holes are perfectly round, and the diameter of a pencil
4. Infestation can cause patches of trunk to appear black and covered in sap
5. Sawdust (frass) can accumulate on branches and at the base of the tree
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3
9
1. Crown of tree declines first
2. Feeding galleries under bark
3. Exit holes are perfectly round, and the diameter of a pencil
4. Infestation can cause patches of trunk to appear black and covered in sap
5. Sawdust (frass) can accumulate on branches and at the base of the tree
Asian Longhorned BeetleWhat to Look For
4
10
1. Crown of tree declines first
2. Feeding galleries under bark
3. Exit holes are perfectly round, and the diameter of a pencil
4. Infestation can cause patches of trunk to appear black and covered in sap
5. Sawdust (frass) can accumulate on branches and at the base of the tree
Asian Longhorned BeetleWhat to Look For
5
5
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YEAR-ROUND: Frass; Exit Holes; Black ‘Sap’
LATE SUMMER: Beetles most
likely to be seen on trees
WINTER/FALL:Tree damage
(e.g., exit holes) most obvious on defoliated trees
Asian Longhorned BeetleWhat to Look For (cont.)
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Asian Longhorned BeetleAdditional Resources
USDAhttp://asianlonghornedbeetle.com/
Hungry Pestshttp://www.hungrypests.com/the-threat/asian-longhorned-beetle.php
Don’t Move Firewoodhttp://www.dontmovefirewood.org/gallery-of-pests/asian-long-horned-beetle.html
Outsmart Invasives Video Cliphttps://www.youtube.com/watch?v=nIN4lmfuQnk
EDDMaps: Reporting App for Smartphoneshttp://www.eddmaps.org/