Comparative toxicity of orchard insecticides to the apple blotch leafminer, Phyllonorycter crataegella (Lepidoptera, Gracillariidae), and its eulophid parasitoid, Sympiesis marylandensis (Hymenoptera, Eulophidae).
Author:
Van Driesche, R. G., Drummond, F. J., Brooks, M. W. & Clark, J. M.