Feeding Behavior of Pear Psylla (Homoptera: Psyllidae) Nymphs on Susceptible and Resistant Pyrus Germplasm1

Author: BUTT B. A.   STUART L. C.   BELL R. L.  

Publisher: Entomological Society of America

ISSN: 1938-291X

Source: Journal of Economic Entomology, Vol.81, Iss.5, 1988-10, pp. : 1394-1397

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