Birds as suppliers of pest control in cider apple orchards: Avian biodiversity drivers and insectivory effect

•Asturian cider apple orchards harbor species-rich assemblages of insectivorous birds.•Apple tree canopy cover and forest availability drive avian biodiversity in orchards.•Insectivorous birds control arthropod abundance and pest outbreak in apple trees.•Multi-scaled habitat management for promoting apple pest control is suggested.