Gyrophaena affinis Mannerheim, 1830

Brunke, Adam J., Pentinsaari, Mikko & Klimaszewski, Jan, 2021, Integrative taxonomy of Nearctic and Palaearctic Aleocharinae: new species, synonymies, and records (Coleoptera, Staphylinidae), ZooKeys 1041, pp. 27-99: 27

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Gyrophaena affinis Mannerheim, 1830


Gyrophaena affinis Mannerheim, 1830   Fig. 23A-G View Figure 23


(DNA barcoded specimens). Belgium: Sint-Genesius-Rode, BR Zonienwoud , 50.7505, 4.423, 135 m, 16.VI.2010, F. Koehler (1, ZSM) GoogleMaps   . Finland: Oba: Oulu, Linnanmaa , 65.0633, 25.4712, 7.VI.2011, M. Pentinsaari (1, ZMUO); Obb: Tornio, Kalkkimaa, 65.9014, 24.4711, 10.VII.2012, M. Pentinsaari (1, ZMUO); Al: Lemland, Herrövägen, 59.9796, 20.1954, car net, 5.VII.2012, M. Pentinsaari (1, ZMUO) GoogleMaps   . Germany: Brohl-Luetzing, Brohltal , 50.4727, 7.31272, 22.V.2010, F. Koehler (1, ZSM), Riedlhuette, Diensthuettenstrasse, 48.937, 13.412, 09.VII.2011, F. Koehler & M. Koehler (1, ZSM), Waldhaeuser, Lusen- und Boehmstrasse, 48.93, 13.492, 09.VII.2011, F. Koehler & M. Koehler (1, ZSM) GoogleMaps   . Canada: Alberta: Waterton Lakes National Park, Highway 6 pulloff, 49.065, -113.779, 1569 m, intercept trap, montane forest, 27.VI.2012, BIOBus 2012 (2, CBG) GoogleMaps   .


Origin. Uncertain. Canada: AB [new record], BC, MB, NB, NF, NS, ON, QC, SK. United States: AZ, DC, IL, IN, IA, KY, MA, ME, MI, MN, MO, NC, NH, NJ, NM, NY, OH, PA, TN, WA, WI, WV.


Gyrophaena affinis   is newly reported from AB based on barcoded material.

Sequenced Nearctic specimens from ON, AB, NB, and QC form a distinct barcode cluster, separate from all sequenced Palearctic specimens and divergent by 4.65%. This pattern is inconsistent with a species that is adventive in North America and we remove G. affinis   from the list of adventive species in Canada. In comparing images between those of Nearctic specimens (Fig. 23B View Figure 23 ) and those of Enushchenko and Semenov (2016) for Palaearctic specimens, there appear to be slight differences in the median lobe of the aedeagus in lateral view. In the Palaearctic illustration, the apex of the median lobe is more acute and its secondary lobe is evenly rounded at apex, while the Nearctic illustration shows a more rounded apex of the median lobe and knob-like apex of the secondary lobe (Fig. 23B View Figure 23 ). More research is needed to determine the status of the Nearctic and Palaearctic populations, though the level of genetic divergence between discrete Nearctic and Palaearctic populations suggests that two sister species are involved.