Universal Chalcidoidea Database

Distribution references

Records of Trichogramma pretiosum Riley, 1879 in Canada-Quebec:

Records 1 - 2 of 2
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Fournier, F.; Boivin, G. 1999, Impact of meteorological conditions on the spatial distribution of Trichogramma evanescens and T. pretiosum (Hym.: Trichogrammatidae) in cabbage. Annales de la Société Entomologique de France 35(supplement):471-475    
Fournier, F.; Boivin, G. 2000, Comparative dispersal of Trichogramma evanescens and Trichogramma pretiosum (Hymenoptera: Trichogrammatidae) in relation to environmental conditions. Environmental Entomology 29(1):55-63