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Adelges tsugae (Annand)
HEMLOCK WOOLLY ADELGID
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Adelges tsugae
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Adelges tsugae
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Adelges tsugae
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Adelges tsugae
Adelges tsugae, on Tsuga canadensis
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Adelges tsugae, on Tsuga canadensis
Adelges tsugae, Hemlock wooly adelgid
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Adelges tsugae, Hemlock wooly adelgid
Adelges tsugae, Hemlock wooly adelgid
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Adelges tsugae, Hemlock wooly adelgid
Adelges tsugae, on Tsuga canadensis branch bottom
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Adelges tsugae, on Tsuga canadensis branch bottom

Adelges tsugae, on Tsuga canadensis branch bottom
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Adelges tsugae, on Tsuga canadensis branch bottom
Adelges tsugae, on Tsuga canadensis branch top
© John Pickering, 2004-2015 · 0
Adelges tsugae, on Tsuga canadensis branch top

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You are here: Home / Animals / Species Profiles / Hemlock Woolly Adelgid
Animals
  
Species Profiles

Hemlock Woolly Adelgid

Hemlock Woolly Adelgid Scientific name : Adelges tsugae (Annand) ( Annand 1928 )

Common name : Hemlock Woolly Adelgid

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Selected Resources

Native To : Japan ( Orwig et al. 2003 )

Date of U.S. Introduction : Discovered on the West Coast in the 1920s, but it is disputed whether this was an introduced or native population; an introduced population was discovered on the East Coast in the 1950s ( Havill et al. 2006; Orwig et al. 2003 )

Means of Introduction : Accidental ( Wallace and Hain 2006 )

Impact : Destroys Eastern hemlock trees ( Tsuga canadensis ) ( Orwig et al. 2003 )

Current U.S. Distribution :

Quarantine :

Images :

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Selected Resources :

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Partnership

Invasive Species Compendium - Adelges tsugae
CAB International.

Hemlock Woolly Adelgid
Vermont Invasives .

Hemlock Woolly Adelgid
Nature Conservancy. Don't Move Firewood .

Global Invasive Species Database - Adelges tsugae (insect)
World Conservation Union. Invasive Species Specialist Group.

Government

Forest Disturbance Processes - Hemlock Woolly Adelgid
USDA . FS . Northern Research Station.

Pest Alert: Hemlock Woolly Adelgid
USDA . FS . Northeastern Area.

Hemlock Woolly Adelgid
USDA . FS . Northeastern Area. State and Private Forestry.
Note: Distribution Maps and HWA Working Group Coordinating Committee

Hemlock Woolly Adelgid
DOI . NPS . Great Smoky Mountains National Park.

State

Hemlock Woolly Adelgid
Connecticut Agricultural Experiment Station.

Hemlock Woolly Adelgid In Maine
Maine Department of Conservation. Maine Forest Service. Forest Health and Monitoring Division.

Hemlock Woolly Adelgid
Maryland Department of Agriculture .

Hemlock Woolly Adelgid
Michigan Department of Agriculture and Rural Development .

Hemlock Woolly Adelgid
New York Department of Environmental Conservation .

Hemlock Woolly Adelgid
Ohio Department of Agriculture. Plant Health .

Hemlock Woolly Adelgid
Pennsylvania Department of Conservation and Natural Resources. Forestry.

Vermont Invasive Forest Pest Update - Hemlock Wooly Adelgid
Vermont Department of Forests, Parks and Recreation. Forestry Division.

Hemlock Woolly Adelgid
Wisconsin Department of Natural Resources .

Academic

Hemlock Woolly Adelgid (HG2)
University of Maryland. Cooperative Extension. Home and Garden.

The Hemlock Woolly Adelgid: Life Cycle, Monitoring, and Pest Management in New Jersey (PDF | 193 KB)
Rutgers Cooperative Extension. New Jersey Agricultural Experiment Station.

Introduced Species Summary Project - Hemlock Woolly Adelgid
Columbia University. Center for Environmental Research and Conservation.

Hemlock Woolly Adelgid (PDF | 437 KB)
Cornell University. Cooperative Extension of Suffolk County. Horticulture Diagnostic Laboratory .

Hemlock Woolly Adelgid - Fact Sheet: Invasive Insects
Pennsylvania State University. Cooperative Extension.

Hemlock Woolly Adelgid
Texas State University System. Institute for the Study of Invasive Species .

Professional

 

Citations

Annand, N.P. 1928. A contribution toward a monograph of the Adelginae (Phylloxeridae) of North America . Stanford University, Calif. : Stanford University Press.

Havill, N.P., M.E. Montgomery, G. Yu, S. Shiyake, and A. Caccone. 2006. Mitochondrial DNA from hemlock woolly adelgid (Hemiptera: Adelgidae) suggests cryptic speciation and pinpoints the source of the introduction to eastern North America . Annals of the Entomological Society of America 99(2):195-203.

Orwig, D.A., D.R. Foster, and D.L. Mausel. 2003. Landscape patterns of hemlock decline in New England due to the introduced hemlock woolly adelgid . Journal of Biogeography 29(10-11):1475-1487.

Wallace, M.S., and F.P. Hain. 2000. Field surveys and evaluation of native and established predators of the hemlock woolly adelgid (Homoptera: Adelgidae) in the southeastern United States . Environmental Entomology 29(3):638-644.

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Last Modified: Jun 26, 2015
 
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Updated: 2015-08-03 16:19:47 gmt
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