The Black Fungus Gnats (Diptera, Sciaridae) of Norway - Part I: species records published until December 2019, with an updated checklist Author Menzel, Frank Senckenberg Deutsches Entomologisches Institut, Eberswalder Strasse 90, 15374 Muencheberg, Germany Author Gammelmo, Oivind BioFokus, Gaustadalleen 21, 0349 Oslo, Norway https://orcid.org/0000-0002-6026-9023 Author Olsen, Kjell Magne BioFokus, Gaustadalleen 21, 0349 Oslo, Norway Author Koehler, Arne Senckenberg Deutsches Entomologisches Institut, Eberswalder Strasse 90, 15374 Muencheberg, Germany akoehler@senckenberg.de text ZooKeys 2020 957 17 104 http://dx.doi.org/10.3897/zookeys.957.46528 journal article http://dx.doi.org/10.3897/zookeys.957.46528 1313-2970-957-17 ECBF8EDB70964563991A526901CC53B9 3A8EC088F565506AB394E94F3CB38AC2 Trichosia (Trichosia) lengersdorfi Heller, Koehler & Menzel, 2016 Literature. Faunistics : Heller et al. (2016) : 106, 109 [as Trichosia (Trichosia) lengersdorfi ]. Taxonomy : Heller et al. (2016) : 106 [as Trichosia (Trichosia) lengersdorfi ]. Localities. • Akershus; Nesodden, Blabaerstien in Nesoddtangen (= 'Nesodden, Blabaerstien' ; = 'Nesodden, Blabaerstien - Ostvendt skraning' [correctly translated from Norwegian: 'Blabaerstien , east-facing slope' ]) • Nesodden, Ommen at the W side of Nesodden (= 'Ommen - Sorvendt rasmark' [correctly translated from Norwegian: 'Ommen, south-facing scree' ]) • Nesodden, W of abandoned settlement Flatebybraten (= 'Flatebybraten vest' ) • Aust-Agder; Birkenes, Birkeland, Nordasen • Buskerud; Kongsberg, Haugplassen near Raje in the Rajedalen (= 'Kongsberg, Haugplassen' ) • Ringerike, W of Honefoss , small river Veksalbekken E of Veksalplassen [mouth of the Veksalbekken in the river Sogna] (= 'Veksalbekken' ) • Ringerike, Synneren naturreservat SW of Honefoss (= 'Synneren NR' ) • Ringerike, W of Hallingby, S of the marsh Langmyra along the stream Sibekken (= 'S Langmyra - Langs Sibekken' [correctly translated from Norwegian: 'S of Langmyra along Sibekken' ]) • Hedmark; Kongsvinger, Abborhogda in the forest Varaldskogen S of Oyermoen [near the Swedish border] (= 'Abborhogda' ) • Hordaland; Bergen, Bergen, Floyen mountain, mountain top Floyfjellet (= Bergen, Floyfjellet ) • Bergen, Bergen, residential area Skansemyren (= 'Skansemyren' ) • Bergen, N of Langetoen (= 'N Langetoen' ) • Bergen, NW of hill Litlelia SE of Bergen, in the Saedalen N of Saedalen school (= 'Litlelia - Valley Saedalen N of Saedalen skole' ) • Eidfjord, settlement Tveit in the Simadalen NE of Eidfjord (= 'Eidfjord, Simadalen, Tveit' ) • Oslo; Oslo, Gaustad in the borough Nordre Aker (= 'Gaustad - Jubileumsenga' ) • Oslo, Ljabru in the borough Nordstrand, at the Ljanselva (= 'Ljabru, Ljanselva' ) • Oslo, borough Nordstrand, at the Ljanselva in the Liadalen (= 'Nordstrand, Ljanselva, Liadalen' ) • Sogn Og Fjordane; Hoyanger , NE of Austreim at the N side of Sognefjorden, N of hill Furehaugen (= 'Hoyanger , N Furehaugen' ) • Hoyanger , Varstolen NE of Bjordal (= 'Varstolen - Nedenfor veien' [correctly translated from Norwegian: 'Varstolen , below the road' ) • Laerdal , Eraksdalen SE of Laerdalsoyri (= 'Eraksdalen' ) • Laerdal , near settlement Voldum N of Borgund (= 'Laerdal , Eisurda' ) • Luster, NE of Gjerde, between river Jostedola and road no. 334 near the stream Flatelvi (= 'Luster, Flatelvi - Ved Rv334' [correctly translated from Norwegian: 'by the road no. 334']) • Luster, NW of Gjerde, at the N shore of Nigardsbrevatnet near the Nigardsbreen parking area (= 'N Nigardsbrevatnet' ) • Luster, NW of Gaupne, near Hurrene at the E bank of river Jostedola (= 'SW Hurrene' ) • Luster, SE of Gjerde, N from the farm Hesjevoll (= 'N Hesjevoll' ) • Sogndal, NE of Sogndal, above the road no. 55 W of the settlement Steig (= 'Sogndal, W Steig - Ovenfor veien' [correctly translated from Norwegian: 'W of Steig, above the road' ) • Telemark; Bamble, Langoya in the Langesundsfjorden, bay at the E side of island (= 'Langoya - Bukt pa ostsiden ( Langoya I)' [correctly translated from Norwegian: 'Langoya , bay at the eastern side ( Langoya I)']) • Porsgrunn, Brevik, forest Dammane in the W part of Brevik (= 'Brevik, Dammane' ) • Tinn, Hovin NW of Kongsberg, Spjeldset SW of Ovre Fjellstul (= 'Hovin, Spjeldset' ) • Tokke, E of Dalen, headland Gunnarshelle at the N coast of the west end of lake Bandak (= 'WNW Gunnarshelle' ) • Trondelag ; Trondheim, Trondheim, Sommerlystvegen (= 'Sor-Trondelag , Trondheim, M. Sommerlystvegen - in the garden of nr. 22') • Vestfold; Larvik, Farmenroysa mountain NE of Kvelde (= 'Farmenroysa O' [correctly: 'Farmenroysa , east-facing slope' ]) • Larvik, hill Smaas N of Larvik (= 'Larvik, Smaas' ) • Larvik, N part of Jordstoyp naturreservat in the Lagendalen W of Kvelde (= 'Jordstoyp N' ) • Larvik, Nevlungstranda W of Nevlunghavn, beach Molen (= 'Nevlungstranda - Molen II' ) • Larvik, SE of Kvelde, settlement Fjaere W of the Fjaereelva (= 'Fjaere' ). Faunistic note. The first specimens of Trichosia lengersdorfi from Norway were collected and/or identified in our NTI project 2014-2016. Ecological note. East- and South-facing mountainsides; on scree of steep slopes and on the tops of woody hillsides; eroded mountains with sandy areas at the foot; on steep slopes with large elms and valuable hardwood trees; mountain birch forests; forests along streams in otherwise muddy terrain; gardens with lawn and some larger trees. Phenology: May-Sep.