Sirex noctilio F. - Sirex Wasp

Sirex Wasp - male - New Zealand Forest Service

The preferred hosts of S. noctilio are pine (Pinus) species, especially Monterey Pine (Pinus radiata). The insect will also attack spruce (Picea), fir (Abies), and larch (Larix) species as well as Douglas fir (Pseudotsuga ).

What information is available?