1 / 10

Sirex wood wasp ( Sirex noctilio )

D. Lance, USDA APHIS PPQ, Bugwood.org. Sirex wood wasp ( Sirex noctilio ). D. Lance, USDA APHIS PPQ, Bugwood.org. P. Klasmer, INTA, Bugwood.org. Impact. Primarily a pest of pines Tree mortality, reduced commodity value & loss of markets Native range: Secondary pest

rigg
Download Presentation

Sirex wood wasp ( Sirex noctilio )

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. D. Lance, USDA APHIS PPQ, Bugwood.org Sirex wood wasp (Sirex noctilio)

  2. D. Lance, USDA APHIS PPQ, Bugwood.org P. Klasmer, INTA, Bugwood.org Impact • Primarily a pest of pines • Tree mortality, reduced commodity value & loss of markets • Native range: Secondary pest • Adventive range: Significant losses in overstocked & stressed plantations • Up to 80% tree mortality in Australia • North America: ???

  3. D. Lance, USDA APHIS PPQ, Bugwood.org D. Haugen, USDA FS, Bugwood.org Pine species susceptibility Very rare on larch, spruce & fir

  4. D. Lance, USDA APHIS PPQ, Bugwood.org Wood decay fungus K. Loeffler, Cornell Univ. Phytotoxic mucus D.Haugen, Bugwood.org 1 to 3 years D. Lance, USDA APHIS PPQ, Bugwood.org W. Ciesla, FHMI, Bugwood.org Life cycle

  5. 1961 2001 1980 1994 1952 Native Range 1900 1990 Introduced D. Haugen, Bugwood.org, K. Karnes Distribution

  6. D. Lance, USDA APHIS PPQ, Bugwood.org Early detection Lure: alpha pinene (70%) & beta pinene (30%)

  7. D. Lance, USDA APHIS PPQ, Bugwood.org MDA trapping data

  8. D. Lance, USDA APHIS PPQ, Bugwood.org Thinned D. Haugen, Bugwood.org Silviculture • Unthinned, suppressed stands are at risk • Maximize individual tree growth • Remove stressed trees & maintain vigorous growth • Conduct before infestation occurs US Forest Service, Dodds et al. 2007

  9. D. Lance, USDA APHIS PPQ, Bugwood.org forestryimages.org K.E. Zylstra forestryimages.org inta.gov K.E. Zylstra K.E. Zylstra Biological control Parasitic nematode (Beddingia siricidicola) Parasitic wasps (Ibalia & Rhyssa)

More Related