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Complimentary materials

Complimentary materials. Wood with Sirex wood wasp damage Wood with other wood wasp damage (if we can find this at U of MN). Adult and larval Sirex wood wasps Adult non-target wood wasps Wood with pine sawyer damage Adult and larval pine sawyers. Schiff et al. 2006. Schiff et al. 2006.

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Complimentary materials

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  1. Complimentary materials • Wood with Sirex wood wasp damage • Wood with other wood wasp damage (if we can find this at U of MN). • Adult and larval Sirex wood wasps • Adult non-target wood wasps • Wood with pine sawyer damage • Adult and larval pine sawyers

  2. Schiff et al. 2006 Schiff et al. 2006 Wood wasps / Horntails • 1 to 1.5 inches long • “Horn tail” and lack narrow “waist” • 23 species in US and Canada • 2 on hardwood, 21 on softwood • 19 native, 4 exotic

  3. Which insect is a wood wasp? N. Wright, FDACS, Bugwood.org F. & K. Starr, U.S. GS, Bugwood.org G. Alpert, Harvard Univ., Bugwood.org

  4. K. E. Zylstra K. E. Zylstra The Sirex Woodwasp The Female The Male ● 1 to 1.5 inches long ●Dark metallic blue-black body ●Legs reddish-yellow, feet black ●Antennae entirely black Similar to females, but… ●Middle portion of abdomen orange ●Hind legs black

  5. K. E. Zylstra

  6. Which insect is the Sirex wood wasp? N.Wright, FDACS, Bugwood.org PDIL, Bugwood.org PDIL, Bugwood.org

  7. K. E. Zylstra K. E. Zylstra The Larva ● Creamy white ●Legless ●Dark spine at tip of abdomen

  8. Siricids are commonly referred to as horntails because of their cornus on the posterior end Currently, there is no morphological key for siricid larvae and a molecular key is being developed by the USFS. K. E. Zylstra

  9. Which larva is a wood wasp? D. Cappaert, MI State Univ., Bugwood.org H. Pase III, Texas F.S., Bugwood.org S. Kinelski, , Bugwood.org

  10. K. E. Zylstra When you cut through the tree sometimes you can see where you cut through a gallery K. E. Zylstra Finely packed frass in the tunnel

  11. K. E. Zylstra Larval Galleries

  12. K. E. Zylstra Larval galleries K. E. Zylstra

  13. K. E. Zylstra Adult male chewing his way out…

  14. Resin beads Browning/thinning crown Woodpecker damage Exit holes Symptoms of Attack ***The Sirex wood wasp can attack living trees, while native wood wasps attack dead or dying trees***

  15. Resin beads K. E. Zylstra K. E. Zylstra K. E. Zylstra Scots Pine Red Pine White Pine Resin Beading Looks Different On Different Pine Species…

  16. K. E. Zylstra K. E. Zylstra Infested Scots Pine

  17. K. E. Zylstra K. E. Zylstra Infested Red Pine

  18. K. E. Zylstra K. E. Zylstra Infested White Pine

  19. K. E. Zylstra K. E. Zylstra Exit HolesPerfectly circular, size ranging from 1/8 to 3/8 inch diameter

  20. K. E. Zylstra

  21. Which holes are Sirex wood wasp exit holes? J. Hodge, Univ. of Kentucky, Bugwood.org R.. Billings, TX F.S., Bugwood.org D. Haugen, U.S. F.S., Bugwood.org

  22. K. E. Zylstra K. E. Zylstra

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