Thursday, May 24, 2012
By Beth Quimby bquimby@mainetoday.com
Staff Writer
A new infestation of hemlock woolly adelgid has been identified in Harpswell.
Eggs of the Hemlock woolly adelgid.
Courtesy photo
A predatory lady beetle eats the hemlock woolly adelgid.
USDA Forest Service photo
Officials at the Maine Forest Service and Department of Agriculture say the new outbreak is worrisome because it moved 30 miles up the coast from Saco, the longest jump by the insect since it was first detected in the state in Kittery in 2003.
The woolly adelgid leaves white woolly masses at the base of needles on the undersides of hemlock twigs. Infested trees also have off-color needles and premature needle drop and twig dieback. The forest service is releasing 9,000 predatory beetles around Ferry Beach in Saco and York to control infestations in those areas.
State officials have asked people who think they may have an infestation in their hemlocks to report it by phone at 287-2431 or by e-mail to allison.m.kanoti@maine.gov or ann.gibbs@maine.gov
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 click image to enlarge
A closeup of Laricobius nigrinus which preys on the woolly adelgid. The state forest service has released 9,000 of the predatory beetles in southern Maine. File photo/The Press Herald |
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