1. Centre for Pollination Studies University of Calcutta 35, B.C. Road Kolkata 700019 India
2. 1 Waterloo Road Salisbury Wiltshire SP1 2JR UK
3. Game and Wildlife Conservation Trust Burgate Manor Fordingbridge Hampshire SP6 1EF UK
4. Centre for Agroecology Water and Resilience Coventry University Wolston Lane Coventry CV8 3LG UK