Post on 13-Jan-2016
transcript
The Asian Longhorned Beetle
An Introduced Pest of Urban and Suburban Trees in North America
byJames E. Zablotny, Ph.D
Deborah G. McCullough, Ph.DMichigan State University
and Dennis Haugen, Ph.D., USDA Forest Service
Where is the ALB from?
• China• Korea
ALB is a significant pest of hybrid poplars in China.}
•ALB was introduced into North America from infested wooden packing material.
Risk of ALB Introduction in Wood Packing Material
Asian Longhorned Beetle (Anaplophora glabripennis)
female
male
1inch
• “Starry Sky” Beetle• Black with white markings• Long antennae with black & white bands• Large & robust
ALB Life Cycle
1. Egg Niche
2. Larva
4. Emergence Hole5. Adult
3. Pupa
Larval Feeding Injures Trees
Larvae tunnelinto sapwood.
Die back in ALBinfested tree.
• Large emergence holes on branches or the stem (>3/8” diam).
Symptoms of ALB Infestation
• Flagging & dieback in the canopy.
• Sawdust accumulates at branch crotches or tree base.
Repeated ALB Attacks Can Kill Trees
Boxelder tree killed by ALB.
Prefers: • Maples (Acer species).
Will also infest:
• Horsechestnut (Aesculus hippocastanum),• Elms (Ulmus spp.), • Birches (Betula spp.),• Willows (Salix spp.),
• Poplars (Populus spp.), • and many others.
Hosts of ALB
Potential for Widespread Damage to Native Trees is High
Currently, ALB is known to be established in
New York City (1996) & Chicago (1998)
Greenpoint-Brooklyn 1996 Amityville 1996 Bayside-Queens 1998 Manhattan 1999Islip 1999
History of ALB Infestation: New York
Locations and Year Infestation Detected
Known ALB Infestation: New York
Greenpoint-Brooklyn & Manhattan Quarantine Area
• Infested TreesRecent Infestation– Quarantine
• Infested TreesRecent Infestation– Quarantine
Amityville Quarantine Area
Bayside-Queens Quarantine Area
Islip Quarantine Area
History of ALB Infestation: Chicago
Ravenswood 1998Addison 1998 Summit 1998 Kilbourn Park 1999Park Ridge 1999O’Hare Airport 2000
Locations and Year Infestation Detected
Chicago Area ALB Infestation
Ravenswood & Kilbourn Park Infestations
Addison Quarantine Area
Summit Quarantine Area
Park Ridge Quarantine Area
O’Hare ALB Infestation
What is being done about ALB in New York & Chicago?
Goal ERADICATION
• Removal & disposal of infested trees
• Replanting with non-host species
Before After
Removal of Infested Trees Ravenswood, Illinois
Replanting Strategies
• Resistant species
• Diverse plantings
What Should You Do if You Find A Suspect Beetle?
• Capture at least 1 adult beetle.• Preserve in 70% rubbing alcohol.• Take beetle to professional entomologist
for identification.
Where Can You Take Beetles for Identification?
• County Extension Office• State Department of Agriculture• State Department of Natural Resources• University Plant Pest Diagnostic Clinic• USDA Forest Service Office
Remember, Some NativeBeetles are Similar to ALB
• Many native wood- boring beetles are black & white with long antennae
• An entomologist can assist with identification of suspect beetles.
Asian Longhorned Beetle White-spotted Sawyer
Pine Sawyers are Common Native Longhorned Beetles that Resemble ALB
Cottonwood Borer
Asian Longhorned Beetle
Another native species often mistaken for ALB
Will a Healthy Global Economy Lead to the Introduction of More Exotic Beetles?