Susceptibility of Cacopsylla pyri and C. pyricola (Homoptera: Psyllidae) to Avermectin B1 Applied Topically and as Residues on Pear Foliage

Author: Etienne J. C.   Nguyen T. X.   Burts E. C.  

Publisher: Entomological Society of America

ISSN: 1938-291X

Source: Journal of Economic Entomology, Vol.85, Iss.1, 1992-02, pp. : 182-186

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