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- Holland, John M, et al. Show all 8 Authors
- Pest management science 2019 v.75 no.3 pp. 658-666
- Brassica napus; Ceutorhynchus assimilis; Ceutorhynchus obstrictus; biological control; crop rotation; habitats; land use; landscapes; larvae; parasitism; parasitoids; permanent grasslands; pest management; pods; wheat
- ... BACKGROUND: This study investigated how infestation rates of an important oilseed rape pest, the cabbage seed weevil (Ceutorhynchus obstrictus) and rates of parasitization by its parasitoids are affected by land use, up to 1000 m from 18 focal fields. RESULTS: The mean proportion of C. obstrictus‐infested pods per plant was 8% (2–19.5%). Infestation rates were higher if the adjacent habitat was a ...