The elytral apices of female P. vicinus with mating marks.  
  Part of: Will K, Mendez PK (2021) Mating marks on museum specimens reveal breeding patterns in species of Pterostichus Bonelli (Carabidae, Pterostichini). Biodiversity Data Journal 9: e70897. https://doi.org/10.3897/BDJ.9.e70897