Authors: Volchansky, CR Hoffmann, JH Zimmermann, HG

Citation: Cr. Volchansky et al., Host-plant affinities of two biotypes of Dactylopius opuntiae (Homoptera :Dactylopiidae): enhanced prospects for biological control of Opuntia stricta (Cactaceae) in South Africa, J APPL ECOL, 36(1), 1999, pp. 85-91