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.   Clark J. Marshall   Brooks M. W.   Drummond F. J.  

Publisher: Entomological Society of America

ISSN: 1938-291X

Source: Journal of Economic Entomology, Vol.78, Iss.4, 1985-08, pp. : 926-932

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