WANTED:(Invasive) Sirex Woodwasp

Sirex Noctilio/Hymenoptera Siricidae (Saw fly)

Big image

Identifying Characteristics

  • Female: Reddish brown legs, steel blue body, spike projection on the abdomen, four clear yellow wings, cylindrical body 9 to 36mm in length.
  • Male: Thick black hind legs, black body with orange/yellow abdomen, four clear yellow wings, cylindrical body 9-36mm in length.

Last Seen

  • Originated from Eurasia.
  • Intorduced to Canada from Eurasia in wood packing material.
  • Found in Brazil, Asia, North Africa, Europe, the U.S.A and Canada.
  • Now known in Michigan and Pennsylvania.

First Offence

  • The species was introduced to Ontario, CA in 2005

Known Accomplices

  • Eurasia wood packing shippments containing eggs/ larvae brought into Ontario in 2005.
  • Able to spread because of the wood not being treated properly to get rid of them.

Crimes Commited

  • Killing pine trees with birthing toxins and fungus.
  • Mostly scotch, red pine and white pine.
  • Fungus feeds on the tree cells that the toxic kills.
  • Also known to attack all other softwood.

Attempts at Capture

  • Parasitic Hematode called Deladenus Siricidicola.
  • Parasitic Hematode infests the host tree.
  • They will not be able to lay eggs.
  • The next generation will be infertile.
  • The Parasitic Hematode spreads throughout both male and female.


  • They are killing trees, which are our oxygen source.
  • Becuase the trees are infected, toxic and covered in fungus, lumber is not an option.
  • Lumber is one of Canadas best trades and with the woodwasps killing and infecting our trees, we will not be able to export as much; Causing our economy to decrease.
A $60 reward will be given for any one bug you find (Male or Female).

If you happen to find a tree or an infested forest, a $600 reward will be given.

Contact Us

If Sirex Noctilio is found, keep in a container in a freezer. Please contact us using this information...


  1. New York State Department of environmental Conservation. (N.D.). Sirex Woodwasp. Retrieved May 17, 2016, from http://www.dec.hy.gov/animals/7248.html.
  2. Canadian Food Inspection Agency. (2012). Sirex Noctilio (Sirex Woodwasp) Fact Sheet. Retrieved May 18, 2016, from http://www.inspection.gc.ca/plant-pest/invasive-species/insects/sirex-wasp/fact-sheet/eng/132790769701/1327690933257.