Quantitative Relationship Between Sticky Trap Catch and Beat Tray Counts of Pear Psylla (Homoptera: Psyllidae): Seasonal, Sex, and Morphotypic Effects

Author： HORTON DAVID R.   LEWIS TAMERA M.  

Publisher： Entomological Society of America

ISSN： 1938-291X

Source： Journal of Economic Entomology, Vol.90, Iss.1, 1997-02, pp. : 170-177

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