Trechus exhibitorius sp. n., holotype, volume rendering of selected body parts. 13 frontal view inside the abdomen showing the aedeagus which is fixed between the last abdominal segments 14 right front leg with protarsi i-v. Abbreviations: B = air bubble; cpa = apex of the longer copulatory piece; mla = median lobe apex; mlb = basal bulb of median lobe; pm = parameres; st = sternites; tg = tergites.