Preliminary studies on the efficacy and establishment ofRoptrocerus xylophagorum [Hym.: Torymidae], a parasitoid ofIps grandicollis [Col.: Scolytidae], in Australia - P. R. Samson; J. Smibert (BioControl, 1986)

The biology ofRoptrocerus xylophagorum [Hym.: Torymidae], with a note on its taxonomic status - P. R. Samson (BioControl, 1984)