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Chinese wasps battling emerald ash borer | Ottawa Sun
ottawasun.com
FILE - In this Oct. 26, 2011, file photo, forester Jeff Wiegert of the New York State Department of Environmental Conservation, points out the markings left ... › gallery › wcm
Battery-killing frigid blast could stymie alien invaders - Times ...
www.timesunion.com
Jan 2, — (AP Photo/Elise Amendola)Elise Amendola/Associated PressShow MoreShow Less FILE - In this Oct. 26, file photo, forester Jeff Wiegert, ... › business › article › Batte...
Ash tree-killing beetle moves outside Boulder for 1st time | News
gazette.com
Jun 8, — FILE - In this Oct. 26, file photo, forester Jeff Wiegert, of the New York State Department of Environmental Conservation, ... › news
Emerald ash borer: Small pest, big potential problems
www.post-gazette.com
Jul 19, — In this Oct. 26, 2011, file photo, forester Jeff Wiegert, of the New York State Department of Environmental Conservation, removes emerald ... › › stories
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