Ventral habitus of Pterostichus californicus male (left) and apical ventrite with mating marks (right). Box indicates the regions that the mating marks are located and arrow indicates the marks in close-up.  
  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