Pitfall traps used by Vrezec et al. (2009).

 
 
  Part of: Hardersen S, Bardiani M, Chiari S, Maura M, Maurizi E, Roversi PF, Mason F, Bologna MA (2017) Guidelines for the monitoring of Morimus asper funereus and Morimus asper asper. In: Carpaneto GM, Audisio P, Bologna MA, Roversi PF, Mason F (Eds) Guidelines for the Monitoring of the Saproxylic Beetles protected in Europe. Nature Conservation 20: 205-236. https://doi.org/10.3897/natureconservation.20.12676