The Balsam Woolly Adelgid (Aphid)
http://www.ces.ncsu.edu/nreos/forest/xmas/CTN020.html
The balsam woolly adelgid (Adelges piceae) (BWA), previously called the balsam woolly aphid, is a tiny, soft bodied insect which appears as white, woolly spots on Fraser fir.
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The Spruce Spider Mite In Fraser Fir
http://www.ces.ncsu.edu/nreos/forest/xmas/ctn_029.html
If you have Fraser fir Christmas trees with off-color or chlorotic foliage, especially after a dry spell in the summer or fall, chances are you have damage from the spruce spider mite (Oligonychus ununguis) (SSM).
(Added: 9-Feb-2008 Hits: 160 Rating: 0 Votes: 0) Rate It
White Grub Control in Fraser Fir Christmas Trees
http://www.ces.ncsu.edu/nreos/forest/xmas/ctn_008a.html
Proper vegetation management is critical to grub control by decreasing grub damage and discouraging grubs from coming back.
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