Tennessee Counties with
Hemlock Woolly Adelgid Occurrences
Trousdale
Pickett
Clay
Macon
Fentress
Overton
Jackson
Claiborne
Scott
Campbell
Union
Smith
Putnam
Wilson
De Kalb
Morgan
Loudon
Van Buren
Bledsoe
Rhea
Coffee
Grundy
Franklin
Marion
Knox
Roane
Cannon
Warren
Anderson
Cumberland
White
Sequatchie
Hamilton
Meigs
Hancock
Grainger
Sullivan
Johnson
Hawkins
Washington
Hamblen
Greene
Jefferson
Cocke
Sevier
Blount
Carter
Unicoi
Legend
Hemlock Woolly Adelgid
First Year of Infestation
2002
2003
McMinn
Monroe
2004
2005
2006
Bradley
Polk
2007
2008
2010
2011
2012
2013
As of November 2013, 37 Tennessee counties had occurrences of Hemlock Woolly Adelgid.
8 March 2013