General views of the study site of the Ponts-de-Martel Valley. A. Deciduous forest clusters, mainly composed of birch; B. Denser forest areas composed of Swiss mountain pine and spruce. (Photos: A. Sanchez).

  Part of: Chittaro Y, Sanchez A, Szallies A, Gossner MM, Lachat T (2023) On the occurrence of relict populations of Pytho abieticola J. R. Sahlberg, 1875 in Switzerland (Coleoptera, Pythidae). Alpine Entomology 7: 1-11.