| Authors: |
Baker D; Yorkshire Naturalists' Union Lepidoptera Group, Yorkshire Naturalists' Union, York, United Kingdom.; Butterfly Conservation, Yorkshire Branch, York, United Kingdom., Barrett S; Department of Biology, University of York, York, United Kingdom., Beale CM; Department of Biology, University of York, York, United Kingdom., Crawford TJ; Yorkshire Naturalists' Union Lepidoptera Group, Yorkshire Naturalists' Union, York, United Kingdom.; Department of Biology, University of York, York, United Kingdom., Ellis S; Butterfly Conservation, East Lulworth, Wareham, Dorset, United Kingdom., Gullett T; Department of Biology, University of York, York, United Kingdom., Mayhew PJ; Department of Biology, University of York, York, United Kingdom., Parsons MS; Butterfly Conservation, East Lulworth, Wareham, Dorset, United Kingdom., Relf P; Yorkshire Naturalists' Union Lepidoptera Group, Yorkshire Naturalists' Union, York, United Kingdom.; Butterfly Conservation, Yorkshire Branch, York, United Kingdom., Robertson P; Department of Biology, University of York, York, United Kingdom., Small J; Natural England, York, United Kingdom., Wainwright D; Butterfly Conservation, East Lulworth, Wareham, Dorset, United Kingdom. |