This is an Author's Original Manuscript of an article whose final and definitive form, the Version of Record, has been published in the Annales de la Société Entomologique de France (Published online: 24 May 2013) [copyright Taylor & Francis], available online at: http://www.tandfonline.com/10.1080/00379271.2013.774741 . 1 Erebia serotina Descimon & de Lesse 1953 (Lepidoptera: Nymphalidae), a 2 recurrent hybrid between two distantly related species. 3 4 François Michel (1) , Emese Meglécz (2) , Jean-François Martin (3) , Henri Descimon (2, 4) 5 6 7 (1) Centre de Génétique Moléculaire, CNRS, 1 Avenue de la Terrasse, 91190 Gif-sur- 8 Yvette, France. E-mail :
[email protected] 9 (2) IMBE UMR 7263 CNRS IRD, Case 36, Aix-Marseille University, 3 Place Victor 10 Hugo, 13331 Marseille cedex 3, France. E-mail :
[email protected] 11 (3) European Biological Control Laboratory – USDA – Campus International de 12 Baillarguet, 34980 Montferrier/Lez, France. E-mail :
[email protected] 13 (4) 2 Bld. Rougemont, 13012 Marseille, France. E-mail:
[email protected] 14 15 16 Correspondence and reprints : Henri Descimon, 2 Bld. Rougemont, F-13012 Marseille, 17 France. 18 Tel: +33 (0)491874156; 19 20 Running title : Recurrent crossing of distantly related taxa 21 22 23 24 25 1 26 Abstract 27 Erebia serotina was described in 1953 as a scarce, low elevation endemic Pyrenean species 28 flying late in the season. At least 34 individuals are known from various locations. However, 29 the absence of females suggests a hybrid origin, and E. epiphron and either E.