1: Systematics of the Trichogrammatidae with emphasis on Trichogramma, J D Pinto and R Stouthamer 2: World-wide use of Trichogramma for biological control on different crops: a survey, Li-Ying Li 3: Strategies to select Trichogramma species for use in biological control, S A Hassan 4: Rearing of Trichogramma and other egg parasitoids on artificial diets, S Grenier 5: Quality control in Trichogramma production, F Bigler 6: Methods and timing of releases of Trichogramma to control lepidopterous pests, S M Smith 7: Biological control with egg parasitoids other than Trichogramma, F Bin 8: Habitat location by Trichogramma, D A Nordlund 9: Host recognition and acceptance by Trichogramma, J M Schmidt 10: Physiological interactions between egg parasitoids and their hosts, S B Vinson 11: Overwintering strategies of egg parasitoids, G Boivin 12: Intra-population genetic variation in Trichogramma, E Wajnberg