Authors: Schroder, TW Basedow, T Mangali, T

Citation: Tw. Schroder et al., Population density of Theridion impressum L. Koch (Araneae, Theridiidae) in sugar beet fields in Germany, and its possible effects on numbers of Myzus persicae (Sulzer) (Hom., Aphididae), J APPL ENT, 123(7), 1999, pp. 407-411