J'ai reçu des informations sur cette espèce. Sericostoma vittatum ou Sericostoma Latreille
Probablement Sericostoma vittatum parce qu'il est assez commun dans les montagnes de la Sierra Nevada mais il doit être génitalisé pour exclure l'autre.
'Sorry, Johan for the delay. I think that it could be (impossible to secure without seeing the genitalia) is a female (the palps are well visible in the photo and they are not as the male) of Sericostoma vittatum, a common species in Sierra Nevada. The character key is the yellow-pale band in the middle of the anterior wings. This feature, almost invisible in material preserved in alcohol is nevertheless very conspicuous in dry material and of course in alive specimens as you. This species is common in South Spain'