Comparative Toxicity of Avermectin B1 to the Predator Metaseiulus occidentalis (Nesbitt) (Acari: Phytoseiidae) and the Spider Mites Tetranychus urticae Koch and Panonychus ulmi (Koch) (Acari: Tetranychidae)

Author: Graffon-Cardwell Elizabeth E.   Hoy Marjorie A.  

Publisher: Entomological Society of America

ISSN: 1938-291X

Source: Journal of Economic Entomology, Vol.76, Iss.6, 1983-12, pp. : 1216-1220

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