Universal Chalcidoidea Database

Distribution references

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

Records 1 - 5 of 5
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Fry, J.M. 1989, Natural enemy databank, 1987. A catalogue of natural enemies of arthropods derived from records in the CIBC Natural Enemy Databank. pp.128 CAB International, Wallingford, Oxford, UK    
Hagley, E.A.C. 1987, Occurrence of Trichogramma spp. (Hymenoptera Trichogrammatidae) in apple orchards in southern Ontario Canada. Proceedings of the Entomological Society of Ontario 117:79-82    
Hagley, E.A.C.; Laing, J.E. 1989, Effect of pesticides on parasitism of artificially distributed eggs of codling moth, Cydia pomonella (Lepidoptera: Tortricidae) by Trichogramma spp. (Hymenoptera: Trichogrammatidae). Proceedings of the Entomological Society of Ontario 120:25-33    
Pinto, J.D. 1999, Systematics of the North American species of Trichogramma Westwood (Hymenoptera: Trichogrammatidae). Memoirs of the Entomological Society of Washington 22:188    
Yu, D.S.K.; Laing, J.E.; Hagley, E.A.C. 1984, Dispersal of Trichogramma spp. (Hymenoptera: Trichogrammatidae) in an apple orchard after inundative releases. Environmental Entomology 13(2):371-374    
Keywords: Biological control