Intraspecific Variation in Pear Psylla (Psyllidae: Homoptera) Nymphal Survival and Development on Resistant and Susceptible Pear

Author: PUTERKA GARY J.  

Publisher: Entomological Society of America

ISSN: 1938-2936

Source: Environmental Entomology, Vol.26, Iss.3, 1997-06, pp. : 552-558

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