Funded by the National Science Foundation PEET program (Partnerships for Enhancing Expertise in Taxonomy)
Samson, P. R., and J. Smibert. 1986. Preliminary studies on the efficacy and establishment of Roptocerus xylophagorum (Hym: Torymidae), a parasitoid of Ips grandicollis (Col: Scolytidae), in Australia . Entomophaga 31:173-182.