Notes on the biology of Scymnus (Pullus) coniferarum: an adelgid predator

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  • Authors: Montgomery, Michael E.; McDonald, Richard C.
  • Publication Year: 2011
  • Publication Series: Other
  • Source: In: McManus, Katherine A; Gottschalk, Kurt W., eds. 2010. Proceedings. 21st U.S. Department of Agriculture interagency research forum on invasive species 2010; 2010 January 12-15; Annapolis, MD. Gen. Tech. Rep. NRS-P-75. Newtown Square, PA: U.S. Department of Agriculture, Forest Service, Northern Research Station: 108.

Abstract

The conifer lady beetle, Scymnus (Pullus) coniferarum Crotch 1874, was previously collected from five states in the western U.S. and from British Columbia. Whitehead, in his 1967 thesis, noted that all collection records of S. coniferarum were from pine and that he collected large numbers from lodgepole pine and Monterey pine infested with adelgids. In 2008-2009, we collected 303 S. coniferarum adults from several locations in the Seattle, WA, metropolitan area from western hemlock, Tsuga heterophylla, infested with the hemlock woolly adelgid, Adelges tsugae Annand.

  • Citation: Montgomery, Michael E.; McDonald, Richard C. 2011. Notes on the biology of Scymnus (Pullus) coniferarum: an adelgid predator. In: McManus, Katherine A; Gottschalk, Kurt W., eds. 2010. Proceedings. 21st U.S. Department of Agriculture interagency research forum on invasive species 2010; 2010 January 12-15; Annapolis, MD. Gen. Tech. Rep. NRS-P-75. Newtown Square, PA: U.S. Department of Agriculture, Forest Service, Northern Research Station: 108.
  • Posted Date: April 14, 2011
  • Modified Date: April 14, 2011
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