Geodromicus nigrita (P.W.J. MÜller, 1821 ), P.W.J. MÜller, 1821

Shavrin, Alexey V., 2022, The plagiatus species group of the genus Geodromicus Redtenbacher, 1857 (Insecta Coleoptera: Staphylinidae: Omaliinae), and additional data on some species from Japan, Zootaxa 5188 (5), pp. 401-429 : 417-419

Geodromicus nigrita (P.W.J. MÜller, 1821)

( Figs. 9 , 36–40 )

Anthophagus nigrita P.W.J. Müller, 1821: 226 ; Fauvel 1865: 315

Anthophagus (Geodromicus) nigritus: Stein 1868: 36 [pars]

Geobius plagiatus var. nigrita: Heer 1839: 193

Geodromicus plagiatus var. nigrita: Fauvel 1871: 134 [= 1872: 108], Tottenham 1954: 36

Geodromicus plagiatus ab. nigrita: Luze 1903: 108

Geodromicus nigrita: Fowler 1888: 400 , Fagel 1958: 219, Lohse 1958: 52, Smetana 1959: 357, Palm 1961: 156, Lohse 1964: 62, Steel 1970: 22, Bordoni 1984: 26

Geodromicus nigrita nigrita: Zanetti 2011: 68

Psephidonus nigrita: Tóth 1982: 103

Psephidonus (Psephidonus) nigrita: Zanetti 1987: 379 , 378

Geodromicus nigrita lohsei Jarrige, 1963: 166 syn. n.

Geodromicus niveus Bernhauer, 1941: 210 syn.n.

For other references see Herman (2001).

Type material examined. Holotype of Geodromicus nigrita lohsei Jarrige,1963 , ♂ [right antennomeres2-11missing; dissected]: ‘Marialle | 1800 m VI.[19]52’ <handwritten>, ‘Canigou | P.O.’ <handwritten>, ‘18’ <handwritten>, ‘TYPE’ <red, printed>, ‘ Geodromicus nigritus Müller Shavrin A.V. det. 2017’ <printed> ( MHNH).

Holotype of Geodromicus niveus Bernhauer, 1941 , ♂: ‘Picaehode | Plakeria’ <handwritten>, ‘ Sa Nevada | 21.6.95 K[or]b’ <handwritten>, ‘Geodromic. | n.sp.’ <handwritten>, ‘niveus [handwritten] | Koch [handwritten] | det. C.Koch’ <printed>, ‘ niveus Brnh | Typus unic. | Geodromicus’ <red, handwritten>, ‘Chicago NHMus | M.Bernhauer | Collection’ <printed>, ‘ HOLOTYPE | teste D.J.Clarke2014 | GDI Imaging Project’ <violet, printed>, ‘PHOTOGRAPHED | Kelsey Keaton 2014 | Emu Catalog’ <blue, printed>, ‘FMNHINS | 2819539 | FIELD MUSEUM’ < FMNH barcode in left side of label, printed>, ‘ Geodromicus | niveus Bernhauer, 1941 | Shavrin A.V. det. 2018’ <printed> ( FMNH). Photographs of the habitus and type labels are available in Arthropod Collections Database of FMNH (last access: 23.08.2022).

Additional material examined. UK: 2 ♂♂: Ling Ghill, Ribbiesdale, Yorks. 02.07.1942. W.O. Steel leg. ( FMNH); BELGIUM: 2 ♂♂, 1 ♀: Lac de la Gileppe. P. Heymes leg. ( MZHF); FRANCE: GRAND EST: 1 ♂: Strasbourg. 05.05.1957.Schuler leg.( MHNH); BOURGOGNE FRANCHE-COMTé: 1 ♂: Remoray. 10.05.1946 ( MHNH); AUVERGNE-RHȎNE-ALPES: 7 ♂♂, 22 exs.: Le Lioran. 1200 m. 15.06.1946. L. Levasseur leg. ( MHNH); 3 exs.: same data, 1000 m a.s.l. 06.1946 ( MHNH); 1 ♂: Cantal. 1180 m a.s.l. 31.07.1977 ( BMNH); 2 ♂♂: Novel. 1300 m a.s.l. 07.1953. L. Levasseur leg. ( MHNH); 1 ♂: Hauteluce. 07.1940 ( MHNH); 1 ♂, 1 ♀: Isene, Saint-Meme. 800 m a.s.l. 26.07.1949. H. Coiffait leg. ( MHNH); 1 ♂, 1 ♀: Entre-Deux-Guiers. 1890. V. Planet leg. ( MHNH); 6 exs.: Corps. 06.1956 ( MHNH); 3 exs.: same locality. 900 m a.s.l. 10.06.1956 ( MHNH); 8 exs.: same locality. 07.1957 ( MHNH); PROVENCE-ALPES-CÔTE D`AZUR: 4 ♂♂, 7 ♀♀: Canigou, F. de Marialle. 1800 m a.s.l. 06.1952 ( MHNH); 5 ♂♂, 4 ♀♀: same data. 1700 m a.s.l. ( MHNH); 7 ♂♂, 12 exs.: same data. 1800 m a.s.l. L. Levasseur leg. ( MHNH); 9 ♂♂, 6 ♀♀: Canigou. 06.1952 ( MHNH); 1 ♂: same locality. 06.1952 ( MHNH); 1 ♂: Casteil (Canigou), La Llipodere. 1685 m a.s.l. 16.07.2003. M. Tronquet leg. (cSh); OCCITANIA: 1 ♂: Var. 06.03.1955 ( MHNH); 1 ♀: Vernet. 04.07.1976 < nigrita ssp. lohsei Coiff. > ( MHNG); NOUVELLE-AQUITAINE: 2 ♂♂: Vallorcine Laneyrie. 08.1956 ( MHNH); 1 ♂, 2 ♀♀: Gavarnie ( IRSNB, MHNG); ANDORRA: 2 ♀♀: Andorra. 1400 m a.s.l. 2105.1948. P. Brinck leg. ( ZML); SPAIN: CATALUñA: 1 ♂, 1 ♀: Cerdagne ( MHNH); 1 ♀: Girona. 2000 m a.s.l. 17.08.1957. J. Vives leg. ( MHNG); EXTREMADURA: 2 ♂♂, 3 ♀♀: La Granja. G.C. Champion leg. ( BMNH, MHNG); MURCIA: 1 ♀: Encantadas. 08.1935 ( MHNH); ANDALUSÍA: 1 ♂, 1 ♀: Sierra Nevada, Pradollano, rio Monachil. 2000 m a.s.l.. 02.06.2005. A. Anichtchenko leg. (cSh); 1 ♂, 9 ♀♀: Sierra Nevada. 21.07.1979. D. Sharp leg. ( BMNH); 2 ♂♂: ‘Sierra Nevada’ ( IRSNB); 1 ♀: same data. 06.1950 ( MHNH); 1 ♂: Jaen, Sierra de Segura, Guadalquivir, 37°50’N 2°59’W. 2276 ft. 21.05.2002. Starke leg. (cA); SWITZERLAND: ZüRICH: 1 ♂: Waidisch. 26.06.1959 ( MHNG); BERN: 1 ♂: Bienne. 06.1913. A. Mathey leg. ( MHNH); 4 exs.: same data. 13.09.1915 ( MHNH); 3 exs.: same data. 08.06.1918 ( MHNH); 3 exs.: same locality. 25.07.1919 ( MHNH); 1 ♂: Taubenloch. 07.08.1932. A. Mathey leg. ( MHNH); VALAIS: 4 exs.: Montana ( BMNH); GRISONS: 2 ♂♂, 14 exs.: Lac de Silvaplana. 1800 m a.s.l. 25.7.1962. L. Levasseur leg. ( MHNH); TICINO: 3 ♂♂: Wallis Bintal. 1400 m a.s.l. 28.06.1953. Lindberg leg. ( MZHF); GERMANY: SAXONY-ANHALT: 1 ♂: Harz ( SNSD); BADEN-WüRTTEMBERG: 3 ♂♂: Allgäu. 18.07.1923. Uhmann leg. < plagiatus nigrita > ( SDEI); 1 ♂: Ulm. Württig leg. ( SNSD); 3 ♂♂, Allgäu. 18.07.1923. Uhmann leg. < plagiatus nigrita > ( SDEI); BAVARIA: 1 ♂: Günzburg ( NMPC); 1 ex.: Oberfranken Fichtelgebirge. 09.1987. H. Crät leg. ( ZFMK); CZECH REPUBLIC: BOHEMIA: 2 ♀: Krkonoše, Laboky důl. 950 m a.s.l. 10.08.1965 ( BMNH); 2 ♂♂: Krkonoše. 1920. Obenberger leg. ( NMPC); 1 ♂: Čertovo. 22.04.1978. R. Fencl leg. (cR); 1 ♀: ‘ Bohemia Reitter’ ( MZHF); MORAVIA: 4 ♂♂, 3 ♀♀: ‘ Moravia Reitter’ ( MZHF); SLOVAKIA: BRATISLAVA: 1 ♂: Nový Svět. 07-08. Obenberger lgt. ( NMPC); 1 ♂: same locality. Kracik leg. ( NMPC); PREŠOV: 1 ♂: 20 km W Štrbské Pleso Podbanske, Bela River. 800 m a.s.l. 9.7.1995. Jäch & Diaz leg. ( NMW); 1 ♂: Bardejov. O. Kavan leg. ( NMPC); 1 ex.: Vysoke Tatry. J. Hladil leg. ( ZFMK); AUSTRIA: TYROL: 1 ♀: Bvener ( SMNH); 1 ♂, 1 ♀: Kelecsényi ( MZHF); 1 ♂, 1 ♀: Sölden ( MHNG); SALZBURG: 1 ♂: Taursweg ( MHNG); STEIERMARKI: 2 ♂: Salzkammergut. 01.08.1956. H. Vogt leg. ( MHNG); 3 exs.: ‘ Styria bor. Dr. Krauss’ ( ZFMK); KäRNTEN: 2 ♀♀: Savin. 07. F. Rambousek leg. ( ZIN); 1 ♂, 2 ♀♀: same locality. V.M. Duchoň leg. ( MZHF); 1 ♂: Radstädter tauern, Cascade. 15.06.1971. J. Balazuc leg. ( MHNH); 1 ♂: ‘Saualpe Kärnten’ ( SNSD); ITALY: PIEMONTE: 2 ♂♂: Piedicavallo. 08.07.1962. G. Ledoux leg. ( MHNH); 2 exs.: same locality. 09.08.1962 ( MHNH); TRENTO: 1 ♂: Smarano loc Verdes. 1000 m a.s.l. 23.07.1989. A. Zanetti leg. (cZan); 4 ♂♂, 1 ♀, Rabbi, Malga Saent. 1800 m a.s.l. 22.08.1989. A. Zanetti leg. (cZan); 4 ♂♂, 1 ♀, M. Baldo, Madonna d. Neve. 20.06.1976. A. Zanetti leg. (cZan); 1 ♀: Canazei. 1600 m a.s.l. 07.1916. S. Dogunet leg. ( MHNH); FRIULI VENEZIA GIULIA: 2 ♂♂: Alpi Carniche, SW M. Coglians Collina, Rif. Tolazzi. 1350 m a.s.l. 22.07.1997. V. Assing leg. (cA); TOSCANA: 2 ♀♀: Vallombrosa ( MHNH); REGIONS WITHOUT EXACT LOCALITIES: 1 ♂: ‘Riesengb. Schlesien’ ( MZHF); 1 ex.: ‘Silesia’ ( ZIN); ROMANIA: 1 ♂: Azuga. 21.06.1970. J. Balazuc leg. ( MHNH).

Distribution. Geodromicus nigrita is a European species known from the British Isles, the Iberian Peninsula, Central and North Europe ( Schülke & Smetana 2015).

Remarks. Anthophagus nigrita was originally described from “Odenbach”. Germar (1827) synonymized it with G. plagiatus . Some authors of the 19th century considered it as a variety (e.g. Heer 1839, Fauvel 1871) or aberration ( Luze 1903) of G. plagiatus , or a synonym of G. globulicollis (e.g. Waterhouse 1858). It has been considered as a valid species from the middle of the last century (e.g. Fagel 1958, Lohse 1958, Smetana 1959).

Geodromicus nigrita lohsei Jarrige, 1963 was originally described based on the holotype from “Forêt de Marialle, mousses de la Llipodère, 1700 m ” ( France). A study of the holotype did not reveal any external or internal morphological differences suggesting that it should be distinct from G. nigrita . Consequently , G. n. lohsei is synonymyzed with it.

Geodromicus niveus Bernhauer, 1941 was originally described based on the holotype from “Sierra Nevada: Picachode Plakeria…” ( Spain). A study of the holotype and other specimens from Sierra Nevada ( Figs. 36–37 ) did not reveal any differences between them and European specimens ( Figs. 38–39 ) of G. nigrita . Therefore, G. niveus is synonymized with it.

A distribution map for G. nigrita is not provided, since a lot faunistic records can be wrong and many records require clarification, for example those from Scandinavia (e.g. Palm 1961), northeastern Russia (e.g. Poppius 1907). The species has frequently been confused with dark-coloured specimens of G. plagiatus . Notman (1920) recorded it from New York ( USA), but this is very likely a result of misidentification. The species is here recorded from Andorra for the first time.

Figures

FIGURES 1–11. Habitus (Figs. 1, 3, 5–11) and type labels (Figs. 2, 4) of species of Geodromicus: 1–2–Staphylinus plagiatus (lectotype), 3–4–Lesteva globulicollis (holotype), 5–G. plagiatus (Russia: Buryatia, Arshan), 6–G. schoenmanni (holotype), 7–G. pyrenaeus (paratype), 8–G. corsicus (Corsica, Vizzavona), 9–G. nigrita (Czech Republic: Čertovo), 10–G. pedemontanus (France, Boreon), 11–G. suturalis (Switzerland: Rhone). Scale bars: 1.0 mm.

FIGURES 36–40.Aedeagus of Geodromicus nigrita (Figs. 36–39: parameral view, Fig. 40: lateral view): 36–Spain, La Granja, 37–Spain, Sierra Nevada, 38–Austria, Stoder, 39–40–UK, Ribbiesdale. Scale bars: 0.1 mm.