1 / 21

Wood wasps / Horntails

D. Lance, USDA APHIS PPQ, Bugwood.org. 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. D. Lance, USDA APHIS PPQ, Bugwood.org.

onaona
Download Presentation

Wood wasps / Horntails

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 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

  2. D. Lance, USDA APHIS PPQ, Bugwood.org Which Insect is a Wood Wasp? • Insect A • Insect B • Insect C N. Wright, FDACS, Bugwood.org F. & K. Starr, U.S. GS, Bugwood.org G. Alpert, Harvard Univ., Bugwood.org A B C

  3. D. Lance, USDA APHIS PPQ, Bugwood.org 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

  4. K. E. Zylstra

  5. D. Lance, USDA APHIS PPQ, Bugwood.org Which Insect is a Sirex Wood Wasp? • Insect A • Insect B • Insect C F. & K. Starr, U.S. GS, Bugwood.org N.Wright, FDACS, Bugwood.org PDIL, Bugwood.org PDIL, Bugwood.org G. Alpert, Harvard Univ., Bugwood.org B A C

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

  7. D. Lance, USDA APHIS PPQ, Bugwood.org 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

  8. D. Lance, USDA APHIS PPQ, Bugwood.org Which Larva is a Wood Wasp? • Insect A • Insect B • Insect C D. Cappaert, MI State Univ., Bugwood.org H. Pase III, Texas F.S., Bugwood.org S. Kinelski, , Bugwood.org A B C

  9. K. E. Zylstra When you cut through the tree sometimes you can see where you cut through a gallery D. Lance, USDA APHIS PPQ, Bugwood.org K. E. Zylstra Finely packed frass in the tunnel

  10. K. E. Zylstra Larval Galleries

  11. K. E. Zylstra Larval galleries K. E. Zylstra

  12. D. Lance, USDA APHIS PPQ, Bugwood.org K. E. Zylstra Adult male chewing his way out…

  13. Resin beads Browning/thinning crown Woodpecker damage Exit holes D. Lance, USDA APHIS PPQ, Bugwood.org Symptoms of Attack ***The Sirex wood wasp can attack living trees, while native wood wasps attack dead or dying trees***

  14. D. Lance, USDA APHIS PPQ, Bugwood.org Resin beads K. E. Zylstra K. E. Zylstra K. E. Zylstra Scots Pine Red Pine White Pine Resin Beads Look Different On Different Pine Species…

  15. D. Lance, USDA APHIS PPQ, Bugwood.org K. E. Zylstra K. E. Zylstra Infested Scots Pine

  16. D. Lance, USDA APHIS PPQ, Bugwood.org K. E. Zylstra K. E. Zylstra Infested Red Pine

  17. D. Lance, USDA APHIS PPQ, Bugwood.org K. E. Zylstra K. E. Zylstra Infested White Pine

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

  19. K. E. Zylstra

  20. D. Lance, USDA APHIS PPQ, Bugwood.org Which Damage is from a Wood Wasp? • Damage A • Damage B • Damage C D. Haugen, U.S. F.S., Bugwood.org J. Hodge, Univ. of Kentucky, Bugwood.org R.. Billings, TX F.S., Bugwood.org A B C

  21. K. E. Zylstra K. E. Zylstra

More Related