Suppression of seed production as a long-term strategy in weed biological control: The combined impact of two biocontrol agents on Acacia mearnsii in South Africa

• Published in: Biological control Vol. 154; p. 104503
• Main Authors: Impson, F.A.C., Kleinjan, C.A., Hoffmann, J.H.
• Format: Journal Article
• Language: English
• Published: Elsevier Inc 01.03.2021
• Subjects: Acacia mearnsii; biological control; Black wattle; Curculionidae; Dasineura; fecundity; Flowers; Gall fly; midges; Seed rain; Seed weevil; soil; South Africa; weeds; South Africa; Gall fly; Black wattle; Seed weevil; Seed rain; Flowers

•Two biocontrol agents reduce seeding of Acacia mearnsii to extremely low levels.•The reduction is primarily due to a flower-galling midge, Dasineura rubiformis.•A seed-feeding weevil, Melanterius maculatus, plays a supplementary role.•No immediate change in the extent of existing infestation is exp...