Tachyusa obsoleta Casey A habitus B median lobe of aedeagus in lateral view C median lobe of aedeagus in dorsal view (adapted from Paśnik 2006) D spermatheca E male tergite VIII F male sternite VIII G female tergite VIII H female sternite VIII. Scale bars: 1 mm (A); 0.2 mm (B–H). Illustrations after Klimaszewski et al. (2018), used with permission.

  Part of: Brunke AJ, Pentinsaari M, Klimaszewski J (2021) Integrative taxonomy of Nearctic and Palaearctic Aleocharinae: new species, synonymies, and records (Coleoptera, Staphylinidae). ZooKeys 1041: 27-99. https://doi.org/10.3897/zookeys.1041.64460