''Sirex'' is a genus of wasps in the family Siricidae, the horntails or wood wasps. They inject eggs with fungal endosymbionts into wood. The fungus is contained in a mycangium which nourishes it with secretions, and in turn it digests wood for the wasp larva. The genus includes economically important pests; ''S. noctilio'', known simply as the 'Sirex woodwasp' is an

invasive species An invasive species otherwise known as an alien is an introduced organism that becomes overpopulated and harms its new environment. Although most introduced species are neutral or beneficial with respect to other species, invasive species ad ...

, having spread widely across the world from its original range.Sirex Woodwasp – ''Sirex noctilio''.
New York State Department of Environmental Conservation, 2011.Hurley, B. P., et al. (2007)
A comparison of control results for the alien invasive woodwasp, ''Sirex noctilio'', in the southern hemisphere.
''Agricultural and Forest Entomology'' 9(3), 159–71.

Species

* '' Sirex abietinus'' Goulet, 2012 * '' Sirex areolatus'' (Cresson, 1868) * ''

Sirex behrensii ''Sirex'' is a genus of wasps in the family Siricidae, the horntails or wood wasps. They inject eggs with fungal endosymbionts into wood. The fungus is contained in a mycangium which nourishes it with secretions, and in turn it digests wood fo ...

'' (Cresson, 1880) * ''

Sirex californicus ''Sirex'' is a genus of wasps in the family Siricidae, the horntails or wood wasps. They inject eggs with fungal endosymbionts into wood. The fungus is contained in a mycangium which nourishes it with secretions, and in turn it digests wood fo ...

'' (Ashmead, 1904) * '' Sirex carinthiacus'' Konow, 1892 * ''

Sirex cyaneus ''Sirex cyaneus'' (blue horntail) is a species of horntail in the genus ''Sirex''. Native to forests in Alberta Alberta ( ) is one of the thirteen provinces and territories of Canada. It is part of Western Canada and is one of the three p ...

'' Fabricius, 1781 * ''

Sirex ermak ''Sirex'' is a genus of wasps in the family Siricidae, the horntails or wood wasps. They inject eggs with fungal endosymbionts into wood. The fungus is contained in a mycangium which nourishes it with secretions, and in turn it digests wood fo ...

'' (Semenov, 1921) * '' Sirex hispaniola'' Goulet, 2012 * '' Sirex juvencus'' (Linnaeus, 1758) * '' Sirex longicauda'' Middlekauff, 1948 * ''

Sirex mexicanus ''Sirex'' is a genus of wasps in the family horntail, Siricidae, the horntails or wood wasps. They inject eggs with fungal endosymbionts into wood. The fungus is contained in a mycangium which nourishes it with secretions, and in turn it digests ...

'' Smith, 2012 * '' Sirex mongolorum'' (Semenov) * '' Sirex nigricornis'' Fabricius, 1781 * '' Sirex nitidus'' (Harris, 1841) * '' Sirex nitobei'' Matsumura * '' Sirex noctilio'' Fabricius, 1793 * '' Sirex obesus'' Bradley, 1913 * '' Sirex sinicus'' Maa * '' Sirex tianshanicus'' (Semenov) * '' Sirex torvus'' Harris, 1779 * '' Sirex varipes'' Walker, 1866 * '' Sirex vates'' Mocsáry * '' Sirex xerophilus'' Schiff, 2012

Species

References

Further reading