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Berg, D.M.A. van den; Greenland, J. 1996, A second parasitoid of the yellow pecan aphid released. Inligtingsbulletin, Instituut vir Tropiese en Subtropiese Gewasse No 288:39-51
Keywords: Biological control
Berg, M.A. van den 1993, Biological control of the yellow pecan aphid. Inligtingsbulletin, Instituut vir Tropiese en Subtropiese Gewasse No 250:22-23