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Range DescriptionThe distribution of L. castroviejoi is limited to the Cantabrian Mountains in the northwest of Spain (Flux and Angermann 1990). It occupies elevations of 1,000 to 1,900 m between Sierra de los Ancares and Sierra de Pena Labra (Flux and Angermann 1990, Ballesteros 2003). The total distribution is approximately 25 - 40 km from north to south, 230 km east to west (Flux and Angermann 1990). It is estimated that the extent of occurrence is 5,000 kmÂ² (Ballesteros 2003). This species is considered fragmented, as it occupies highly specialized patches of habitat that is scarce (Ballesteros, in press).