Publication Details

Recovery of hemlock woolly adelgid predators in the high country of northwestern North Carolina, 2004-2008

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McDonald, Richard; Mausel, David; Salom, Scott; Kok, Loke; Montgomery, Michael; Luker, Gina; Steury, Stan; Spears, Gene; Skeate, Stewart; Graham, James; Hamstead., Byron

Year Published

2008

Publication

In: Onken, Brad; Reardon, Richard, comps. Fourth Symposium on hemlock woolly adelgid in the eastern United States; 2008 February 12-14; Hartford, CT. FHTET 2008-01. Morgantown, WV: U.S. Forest Service, Forest Health Technology Enterprise Team: 53-60.

Abstract

Three species of predatory beetles have been released to combat infestations of the hemlock woolly adelgid in the High Country region of northwestern North Carolina. They are the spring/summer predators Sasajiscymnus tsugae Sasaji (St), Scymnus sinuanodulus Yu and Yao (Ss), and the winter/fall predator Laricobius nigrinus Fender (Ln). A total of 890 adults of St have been released at three sites and adults were recovered from two of the three sites; one site was two years old. We also recovered St from a site where no releases were made by this group (Lees McRae Field Site).

Citation

McDonald, Richard; Mausel, David; Salom, Scott; Kok, Loke; Montgomery, Michael; Luker, Gina; Steury, Stan; Spears, Gene; Skeate, Stewart; Graham, James; Hamstead, Byron. 2008. Recovery of hemlock woolly adelgid predators in the high country of northwestern North Carolina, 2004-2008. In: Onken, Brad; Reardon, Richard, comps. Fourth Symposium on hemlock woolly adelgid in the eastern United States; 2008 February 12-14; Hartford, CT. FHTET 2008-01. Morgantown, WV: U.S. Forest Service, Forest Health Technology Enterprise Team: 53-60.

Last updated on: June 11, 2010