Competitive Displacement of Apple Aphid by Spirea Aphid (Homoptera: Aphididae) on Apple as Mediated by Human Activities

Author： BROWN M. W.   HOGMIRE H. W.   SCHMITT J. J.  

Publisher： Entomological Society of America

ISSN： 1938-2936

Source： Environmental Entomology, Vol.24, Iss.6, 1995-12, pp. : 1581-1591

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