HYMENOPTERA

Affiliations
- Scalenet
- CanaColl: President (current)
- Zootaxa: Editor for Chalcidoidea
- Entomological Society of Canada: Treasurer (1995-2004), Chairperson Finance Committee (1992-1995, present), associate Editor for The Canadian Entomologist (1991-1995)
- Journal of Insect Systematics and Evolution: editorial advisor for Hymenoptera (1991-2008)
- International Society of Hymenopterists: Treasurer (1989-1995)
- Biological Survey of Canada: member of the Scientific Committee (1987-1990)
- Chalcid Forum, a newsletter for chalcidologists and biocontrol workers: co-editor (1983 - 1995)