a sampling holes (details) b Blocking screw c installation of an MSS-triplet d SSD of three different length e MSS-triplet buried in the ground f, g renewing the pitfall trap inside the SSD. Photo credits: Elena Piano.

  Part of: Mammola S, Piano E, Giachino PМ, Isaia M (2017) An ecological survey of the invertebrate community at the epigean/hypogean interface. Subterranean Biology 24: 27-52. https://doi.org/10.3897/subtbiol.24.21585