Residual Effectiveness of DDT Emulsion Sprays with and without Horticultural Oil Against the Smaller European Elm Bark Beetle

Author: THOMPSON HUGH E.  

Publisher: Entomological Society of America

ISSN: 1938-291X

Source: Journal of Economic Entomology, Vol.58, Iss.1, 1965-02, pp. : 165-166

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