Published as part of Enushchenko, Ilya V., Makarov, Kirill V. & Shavrin, Alexey V., 2024, Review of the subtribe Gyrophaenina Kraatz, 1856 (Coleoptera: Staphylinidae: Aleocharinae: Homalotini) of Kunashir Island, with notes on species of Far Eastern Russia, pp. 1-81 in Zootaxa 5535 (1) on page 41, DOI: 10.11646/zootaxa.5535.1.1, http://zenodo.org/record/14023694

FIGURES 156–162. Gyrophaena (s.str.) volkeri: 156—habitus (holotype), 157—aedeagus, lateral view (paratype), 158— paramere, 159—male abdominal tergite VIII, 160—male abdominal sternite VIII, 161—female abdominal tergite VIII, 162— female abdominal sternite VIII. Scale bars: 1.0 mm (Fig. 156), 0.1 mm (Figs 157–162).