The Spatial Pattern of the Pea Aphid in Alfalfa Fields1

Author: FORSYTHE   JR. H. Y.   GYRISCO GEORGE G.  

Publisher: Entomological Society of America

ISSN: 1938-291X

Source: Journal of Economic Entomology, Vol.56, Iss.1, 1963-02, pp. : 105-107

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