©EntomologicaFennica.16June2006 Fungus gnats (Diptera: Bolitophilidae, Diadocidiidae, Keroplatidae and Mycetophilidae) new to Finland AlexeiPolevoi,JevgeniJakovlev*&AlexanderZaitzev Polevoi,A.,Jakovlev,J.&Zaitzev,A.2006:Fungusgnats(Diptera:Bolitophi- lidae, Diadocidiidae, Keroplatidae and Mycetophilidae) new to Finland. — Entomol.Fennica17:161–169. Thirty-sevenspeciesoffungusgnatsnewtoFinlandarereported.Elevenofthese are reported in Fennoscandia for the first time: Diadocidia fissa Zaitzev, Macrocera estonica Landrock, M. nigricoxa Winnertz, M. pusilla Meigen, Boletina pallidula Edwards, Mycetophila morata Zaitzev, M. ostentanea Zaitzev, Trichonta nigritula Edwards, T. subterminalis Zaitzev & Menzel, NeoempheriawinnertziEdwardsandNeurateliasintenisiLackschewitz.There- cordsarebasedonoriginalmaterialcollectedinlarge-scaletrappingprojectsin SouthernandEasternFinlandmainlyinold-growthforestsduring1997–1998. DetailedinformationonFinnishfindings,anddataonthegeneraldistributionof thespeciesaregiven.Severalspeciesareknownwithonlyone(typematerial)or afewpreviousrecordsrangingfromNorwaytoSakhalin.Fortwopoorly-known species,NeurateliasintenisiLackschewitzandRymosiapinnataOstroverkhova, newfiguresofmalegenitaliaarepresented. A. Polevoi, Forest Research Institute, RU-185910, Pushkinskaya 11, Petro- zavodsk,Russia;E-mail:[email protected] J.Jakovlev,FinnishForestResearchInstitute(METLA),VantaaResearchUnit, P. O. Box 18, FI-01301 Vantaa, Finland; *correspondent author’s e-mail: [email protected] A.Zaitzev,MoscowCityPedagogicalInstitute,DepartmentofBiology,Faculty of Chemistry and Biology, 111568, Chechulina 1, Moscow, Russia; E-mail: [email protected] Received22June2005,accepted11November2005 1.Introduction treated as subfamilies in the family Myceto- philidae (Edwards 1925). At present all these Fungusgnatsisahighlydiversegroupofnemato- families are included into the superfamily cerousDipteraincorporatingca.1500speciesin Sciaroidea(Väisänen1984,Matile1990,Hippa the Palaearctic fauna and comprising about one &Vilkamaa2005). tenthofalltheDipteranspeciesrecordedinFin- In Finland, the fungus gnat fauna has been land.Thegrouphastraditionallybeenconsidered fairly well studied. The first data on Finnish to include five families in Europe – Bolito- mycetophilids were published by Carl Lund- philidae, Diadocidiidae, Ditomyiidae, Keropla- ström(Lundström1906,1909,1912,1913,1914) tidae and Mycetophilidae – which were earlier and Richard Frey, whose data were included in 162 Polevoietal. (cid:127) ENTOMOL.FENNICAVol.17 thefirstFinnishDipterachecklist(Frey&Storå nuu (Ostrobotnia kajanensis, Ok). Atotal of 51 1941) and in Krogerus (1960). During 1960’s, sites of old-growth forest stands were studied. RistoTuomikoskiandWalterHackmancollected Thepooledmaterialconsistsofover270,000in- extensive material of mycetophilids throughout dividuals and more than 500 species of fungus the country, mainly for taxonomical studies gnats.ThematerialisdepositedattheZoological (Tuomikoski1966,Hackman1970,1971,Gagné MuseumoftheFinnishMuseumofNaturalHis- 1981).Thatmaterialwasutilizedinacheck-list tory, Helsinki. The sites where species new to ofFinnishDiptera(Hackman1980)comprising FinlandwerefoundarelistedinTable1. 485speciesoffungusgnats.Sincethen,additions InTaandSt,thematerialwascollectedbyM. anddeletionstotheFinnishfaunaoffungusgnats Kuussaari during 1998 in 19 old-growth forest have been summarized by Silfverberg (1981, stands.Ineachstandthetrappingwasdoneusing 1986,1991,1996,2001)andPolevoi&Jakovlev fivestandardflight-windowtraps,onelighttrap (2004).Thelatterreviewbroughtthetotalnum- andtwobaittrapsbaitedwithfermentedsugarso- beroffungusgnatspeciesintheFinnishfaunato lution.Thetrapswereoperatingfrom4Mayto15 589. Octoberandwereemptied8–9timesduringthe However, the list by Polevoi & Jakovlev season.Thepooledsamplewas31,745individu- (2004) is still far from complete. In Russian als. Karelia with rather similar nature, 616 species InKb,thematerialwascollectedbyM.Tietä- havebeenrecordedafterintensivestudiesduring väinenintheNorthKarelianbiospherereservein aperiodofjustabouttwentyyearsduring1977- themunicipalityofIlomantsiusingoneMalaise 2000 using rearing of fungus gnats from trapineachoftheninesampleplotsplacedinold- macrofungi and collecting with netting and dif- growth forest stands. The traps were operating ferent kinds of traps (Jakovlev 1995, Polevoi from14Julyto29Septemberandwereemptied9 2000). We believe that at least a hundred addi- timesin1997,andfrom11Juneto2Octoberand tionalspeciesshouldbefoundinFinland.More- emptied17timesin1998.Thepooledsamplewas over,thenumberofyetunknownspeciesmaybe 67,103individuals. evenmuchhigher,asrecenttaxonomicalworks InOk,thematerialwascollectedbyM.Kuus- (e.g. Zaitzev & Økland 1994, Polevoi 1995, saariduring1997in23old-growthforestpatches 2001, Zaitzev 2003, Polevoi & Hedmark 2004) in the municipalities of Kuhmo and Sotkamo. have revealed many species new to science in ThetrappingdesignwasthesameasinTaandSt. Fennoscandia. Thetrapswereoperatingfrom3Juneto8Octo- Thispaperisbasedonoriginalmaterialcol- berandwereemptied6–7timesduringthesea- lected during 1997-1998 in different parts of son.Thepooledsamplewas177,739individuals. SouthernandEasternFinlandandintroduces37 speciesnewtoFinland.Sixteenofthesespecies werealreadymentionedasknownfromFinland 3.ThelistofspeciesnewtoFinland intheonlinedatabase“FaunaEuropaea”(Chan- dler2005).However,theserecordsarebasedon Higher taxonomy follows Fauna Europaea (De unpublishedinformationanddonotcontainde- Jong2005).Thespeciesrecordedbyusasnewto taileddatae.g.oncollectinglocalitiesanddates. Fennoscandiaaremarkedbyasterisk(*). 2.Studyareas,materialandmethods 3.1.Heterotrichagroup Thematerialwascollectedwithtrappinginold- Sciarosoma borealis Chandler, 2002. Sciaroso- growthforestsinthreedifferentregionsinSouth- maChandlerisagenuswithaproblematicsys- ernandEasternFinland.Thestudyareaswerelo- tematicpositiondescribedonthebasisofasingle catedinthebiogeographicalprovincesofEtelä- speciesfromNorwayandRussianKarelia(Chan- Häme (Tavastia australis, Ta), Satakunta (St), dler 2002) and later reported from Germany Pohjois-Karjala(Kareliaborealis,Kb)andKai- (Kallweit&Jaschhof2004)andfromCzechRe- ENTOMOL.FENNICAVol.17 (cid:127) FungusgnatsnewtoFinland 163 Table1.Thestudysites,withinformationontheirlocality.Province=biogeographicprov- ince;Municip.=municipality;Coords.=coordinates(E27grid),Year=samplingyear. Studysite Province Municip. Coords. Year Ahvenus St Parkano 6888:3295 1998 Elimyssalo Ok Kuhmo 7129:3667 1997 Honkavaara Ok Kuhmo 7091:3632 1997 Iso-Saarijärvi Ta Ruovesi 6882:3337 1998 Jauhovaara Ok Kuhmo 7106:3603 1997 Jonkeri Ok Kuhmo 7093:3636 1997 Kolmikoura Ta Ruovesi 6868:3364 1998 Kotavaara Kb Ilomantsi 6998:3721 1997–1998 Kotiset Ta Lammi 6794:3396 1998 Kuivikkovaara Ok Kuhmo 7125:3654 1997 Kujanki Ok Kuhmo 7086:3618 1997 Lakeisnevankangas Ta Virrat 6920:3344 1998 Lauvuskylä Ok Kuhmo 7089:3626 1997 Luhtavaara Ok Kuhmo 7152:3610 1997 Lymylampi St Ikaalinen 6862:3319 1998 Metsäopisto Ta Kuru 6866:3320 1998 Multinharju St Ikaalinen 6872:3311 1998 Musturi Ta Ruovesi 6865:3362 1998 Nälkähittenkangas St Parkano 6892:3295 1998 Näveri Ok Kuhmo 7104:3599 1997 Pellinkangas Ok Kuhmo 7135:3594 1997 Petäjäjärvi Ta Kuru 6871:3320 1998 Pirhu Kb Ilomantsi 6993:3723 1997–1998 Pitkävaara Ok Kuhmo 7162:3617 1997 Puntari Ok Kuhmo 7090:3616 1997 Puukkohonka Ta Lammi 6792:3395 1998 Rengassalo St Parkano 6897:3285 1998 Riihisuo Ok Kuhmo 7102:3610 1997 Sudenpesänkangas Ta Lammi 6789:3403 1998 Susimäki Ta Ruovesi 6864:3355 1998 Särkijärvi Ok Kuhmo 7111:3622 1997 Teerisuo Ok Kuhmo 7091:3608 1997 Tulisuo-Varpusuo Ok Kuhmo 7164:3616 1997 Urpovaara Ok Sotkamo 7089:3602 1997 Vepsä Ok Kuhmo 7091:3615 1997 Vesijako Ta Padasjoki 6806:3399 1998 publicandFinlandwithnolocality data(Chan- and specimens from Russian Far East (Zaitzev dler 2005). It was not included in any existing 1994). Reported from Finland with no locality familyuntilthenewconceptofSciaridae(Hippa data(Chandler2005).Material:1#,Ok:Jonkeri, &Vilkamaa2005)withSciarosomaplacedinthe 27.VIII.–10.IX.1997; 1 #, Kb: Kotavaara, 15.– familySciaridae,subfamilySciarosominae.Ma- 29.IX.1997. terial:3 ##, Kb:Kotavaara, 22.–29.VI.1998;1 #,Ok:Luhtavaara,15.–27.VII.1997. 3.3.FamilyDiadocidiidae 3.2.FamilyBolitophilidae *DiadocidiafissaZaitzev,1994.Typespecimens fromVologdaprovince(Zaitzev1994)werethe Bolitophila caspersi Plassmann, 1986. Previ- only known specimens until now. Material: 2 ously known only from Swedish type material ##,Kb:Kotavaara,8.–15.IX.1997. 164 Polevoietal. (cid:127) ENTOMOL.FENNICAVol.17 3.4.FamilyKeroplatidae 3.5.FamilyMycetophilidae 3.4.1.SubfamilyKeroplatinae 3.5.1.SubfamilyGnoristinae TribeKeroplatini Boletina digitata Lundström, 1914. Distributed KeroplatustuvensisZaitzev,1991.Ararespecies inEuropeandMiddleEast.InFennoscandia,pre- ofthetestaceusgroup.DescribedfromTuvaRe- viously known from the type locality, viz. public (Zaitzev 1991) and later reported from Kandalaksha, Murmansk province, Russia RussianKarelia(Polevoi1995)andfromCzech (Lundström 1914) and Sweden (Plassmann Republic and Finland but with no locality data 1979).AccordingtoPlassmann(1979)andCata- (Chandler2005).Material:1#,Ok:Pitkävaara, logueofPalaearcticDiptera(La(cid:1)tovka&Matile 12.–25.VIII.1997. 1988)thisspecieshasalsobeenfoundinFinland, but was not mentioned in the Finnish Diptera TribeOrfeliini check-list (Hackman 1980) nor in the updates Pyratula perpusilla (Edwards, 1913). A Euro- published afterward. Chandler (2005) gives the pean species; in Fennoscandia, previously re- Finnishrecordwithnolocalitydata.Material:5 corded from Sweden (Plassmann 1974, 1978) ##,Kb:Kotavaara,22.VI.–8.IX.1998.Wehave andNorway(Økland&Zaitzev1997).Material: alsofoundtwomalesofthisspeciesinthecollec- 1 #, Ok: Pitkävaara, 26.VIII.–8.IX.1997; 1 #, tion of the Finnish Museumof Natural History, Ok:Tulisuo-Varpusuo,8.–24.VIII.1997. Helsinki: one male from Ob: Uleåborg (V. Wuorentaus) and another from Le: Malla (R. 3.4.2.SubfamilyMacrocerinae Frey). BoletinajamalensisZaitzev,1994.Described *MacroceraestonicaLandrock,1924.Thisspe- from Siberia (Zaitzev 1994) and later found in cies is apparently widely distributed in the NorthernEurope(Økland1996,Hedmark1998, Palaearcticregionbutitwasnotearlierreported Polevoi 2000). The Finnish record was earlier from Fennoscandia. The record from Finland publishedwithnolocalitydata(Chandler2005). (Chandler 2005) is given with no locality data. Material:1#,Kb:Kotavaara,15.–29.IX.1997;1 Material: 5 ##, Kb: Kotavaara, 14.–25.VIII. #, same place, 2.–8.IX.1998; 1 #, Ok: 1997. Luhtavaara, 17.–30.VI.1997; 2 ##, St: Lymy- *MacroceranigricoxaWinnertz,1863(=M. lampi, 26.V.–12.VI.1998. We have also found tuscaLoew).Thisspeciesiswidelydistributedin twomalesofthisspeciesinthecollectionofthe Western and Central Europe. It has also been Finnish Museum of Natural History, Helsinki, foundinIsrael(Chandler1994a)andinCentral both from Ka: Vehkalahti, 5.VI.1971 and Asia (Zaitzev 1994). The Finnish record is the 9.X.1971. firstonefromFennoscandia.Material:3##,Kb: * Boletina pallidula Edwards, 1925. A rare Kotavaara, 15.–29.IX.1997; 3 ##, same site, European species not previously reported from 25.VIII.–8.IX.1998. Fennoscandia. The record from Finland (Chan- * Macrocera pusilla Meigen, 1830 (= M. dler2005)isgivenwithnolocalitydata.Material: nana Macquart). This species is widespread in 35##,Kb:Kotavaara,17.VII.–21.IX.1998;1#, Europe,includingNorthAfricaandMiddleEast Ta:Kotiset,4.–17.VIII.1998;1#,Ok:Kujanki, (Chandler 1994a) and has also been reported 31.VII.–13.VIII.1997. from Central Asia and Japan (Zaitzev 1994). It BoletinatiroliensisPlassmann,1980.Species wasnot,however,earlierfoundinFennoscandia. describedfromAustria(Plassmann1980a),later Material:9##,Kb:Kotavaara,17.VII.–20.VIII. foundinSweden(Hedmark1998)andinseveral 1998. northernlocalitiesinRussia(Zaitzev1994).The record from Finland (Chandler 2005) is given with no locality data. Material: 1 #, Ok: Kuivikkovaara, 15.–29.IX.1997; 1 #, Ok: Pellinkangas, 10.–28.IX.1997; 2 ##, Ok: ENTOMOL.FENNICAVol.17 (cid:127) FungusgnatsnewtoFinland 165 Riihisuo,12.IX.–7.X.1997;1#,Ok:Urpovaara, Exechia similis La(cid:1)tovka & Matile, 1974. 12.IX.–8.X.1997. This species is closely related to E. spinuligera Ectrepesthoneura tori Zaitzev & Økland, Lundström, which is widely distributed in Eu- 1994. A rare species described from Norway. rope,andhaspossiblybeenoverlookedinFenno- Also known from Germany (Kallweit & Plass- scandia.ReportedfromRussianKarelia(Polevoi mann1999),Sweden(Kurinaetal.2005),Great 2000).Material:7##,Kb:Kotavaara,25.VIII.– Britain and Czech Republic (Chandler 2005). 8.IX.1998. Material:1#,Kb:Kotavaara,11.–15.VI.1998. ExechiasubfrigidaLa(cid:1)tovka&Matile,1974. Tetragoneura sylvatica Curtis, 1837. This ThisspeciesiscloselyrelatedtoE.frigidaBohe- speciesiswidelydistributedinEurope.InFenno- man, which is a widely distributed Trans- scandia it has been found in Norway (Økland palaearctic species. It has been described from 1996, Økland & Zaitsev 1997) and Sweden Mongolia (La(cid:1)tovka & Matile 1974) and then (Kurinaetal.2005).ReportedfromFinlandwith beenreportedfromdifferentlocalitiesinRussia nolocalitydata(Chandler2005).Material:1#, (Zaitzev2003).IthasalsobeenfoundinNorway Kb: Kotavaara, 29.VI.–2.VII.1998; 1 #, Ok: (Søli1994)andSweden(Hedmark2000).Mate- Teerisuo,12.IX.–2.X.1997. rial:1#,Ok:Vepsä,11.IX.–6.X.1997;3##,Kb: Kotavaara,8.–29.IX.1997;4##,Kb:Kotavaara, 3.5.2.SubfamilyMycetophilinae 20.VIII.–8.IX.1998. Exechiopsis (Exechiopsis) pseudindecisa TribeExechiini La(cid:1)tovka&Matile,1974.Thisspeciesisappar- Allodia (Brachycampta) angulata Lundström, entlywidelydistributedinthePalaearcticregion. 1913.ArareEuropeanspecies.Sincetheoriginal InFennoscandia,itwasfirstrecordedfromNor- description fromSwedish Lapland (Lundströrm way(Kjærandsen1993,Økland&Zaitzev1997), 1913), it has been reported from Great Britain and later on from Sweden (Plassmann 1980b), (Chandler1977),Denmark(Chandler&Petersen and from Karelia (Polevoi 2000). The record 2001), Germany (Plassmann & Schacht 1999, fromFinland(Chandler2005)lackslocalitydata. 2002), France (Chandler 2005) and Vologda Material: 4 ##, St: Ahvenus, 25.VIII.–12.X. province in Russia (Zaitzev 2003). Material: 2 1998;1#,Ok:Vepsä,13.–26.VIII.1997;1#,Ta: ##,Kb:Kotavaara,30.VII.–20.VIII.1998. Iso-Saarijärvi, 15.IX.–14.X.1998; 4 ##, Ok: Anatella ankeli Plassmann, 1977. This spe- Jonkeri, 27.VIII.–10.IX.1997; 8 ##, Kb: Kota- cies is known from several European localities vaara,30.VII.–2.X.1998;7##,Ok:Luhtavaara, (Chandler1994b,2005,Zaitzev2003).InFenno- 25.VIII.–9.IX.1997;4##,Ok:Näveri,25.VIII.– scandia,thespecieshasbeenreportedfromNor- 2.X.1997;1#,St:Nälkähittenkangas,25.VIII.– way (Kjærandsen 1993) and Russian Karelia 16.IX.1998; 2 ##, Ok: Pellinkangas, 25.VIII.– (Polevoi2000).TherecordfromFinland(Chan- 9.IX.1997; 2 ##, Ok: Puntari, 27.VIII.–10.IX. dler2005)isgivenwithnolocalitydata.Material: 1997; 3 ##, St: Rengassalo, 12.VIII.–13.X. 1#,Ok:Pitkävaara,26.VIII.–8.IX.1997. 1998;1#,Ta:Sudenpesänkangas,17.–31.VIII. Brachypeza (Paracordyla) obscura Win- 1998;2##,Ok:Jauhovaara,11.–24.VIII.1997. nertz,1863.Thisspeciesiswidelydistributedin Rymosia pinnata Ostroverkhova, 1979. De- Palaearctic(Zaitzev2003).InFennoscandia,the scribed fromSiberia and Russian Far East. The speciesisknownfromRussianKarelia(Polevoi originalfiguresofOstroverkhova(1979;p.175, 2000). The Finnish record (Chandler 2005) is figure35:2),thoughbeingsketchy,allowreliable given with no locality data. Material: 1 #, Kb: identification, especially due to the outstanding Kotavaara, 17.–23.VII.1998; 1 #, Ok: Puntari, parameres resembling the wing of a bird. The 2.–15.VII.1997. male genitalia are illustrated in Fig. 1. The re- Brevicornu occidentale Zaitzev, 1988. De- cords following the original description have scribedfromNorthAmerica(Zaitzev1988)and been from Sweden (Hedmark 2000) and from later found in Norway (Økland 1996) and Rus- Finland with no locality data (Chandler 2005). sian Karelia (Polevoi 2000). Material: 1 #, Kb: Material: 1 #, Ta: Kolmikoura, 24.VIII.– Kotavaara,23.–26.VII.1998. 15.IX.1998. 166 Polevoietal. (cid:127) ENTOMOL.FENNICAVol.17 Fig.1.RymosiapinnataOstro- verkhova,malegenitalia.–a.Left gonostylus,internalview.–b. Gonocoxitesandrightgonostylus, ventralview.–c.TergiteIXand cerci,dorsalview.–d.Aedeagus andparameres,ventralview.–e. Aedeagusandparameres,lateral view.Scalebar0.1mm. TribeMycetophilini Russian Karelia (Polevoi 2000). Material: 11 *MycetophilamorataZaitzev,1999.Aspeciesof ##, Kb: Kotavaara, 14.VIII.–17.IX.1997; 1 #, thevittipesgroup.Itwassofarknownonlybythe Ta:Musturi,11.–24.VIII.1998. typematerialfromEasternPalaearctic–Sakhalin * Trichonta nigritula Edwards, 1925. The and Altai (Zaitzev 1999). Material: 1 #, Kb: specieshasbeenreinstatedbyP.Chandler(1992) Pirhu,6.VI.1994;1#,Ok:Honkavaara,11.IX.– after having been synonymized with Trichonta 5.X.1997. vitta(Meigen)byR.Gagné(1981).Ithasprevi- * Mycetophila ostentanea Zaitzev, 1998. ously not been known from outside the British KnownbythetypematerialfromNorth-Western Isles. Material: 3 ##, Kb: Kotavaara, 29.VI.– Russia, Vologda province (Zaitzev 1998, 2003) 08.IX.1998. andbyarecordfromCzechRepublic(Chandler *TrichontasubterminalisZaitzev&Menzel, 2005).Material:2##,Kb:Kotavaara,17.VII.– 1996. This species was described from Russian 11.VIII.1998. Far East (Zaitzev & Menzel 1996). It is closely MycetophilapecinaiLa(cid:1)tovka,1963.Besides related to T. terminalis (Walker) and T. facilis thetypematerialfromBohemia,thisspecieswas GagnéandmayhavebeenoverlookedinEurope. reported from Sweden (Plassmann 1980b) and ItmustbenotedthatT.funebrisWinnertz,which other European countries (Chandler 2005). The was considered a synonym of T. terminalis Finnishrecordgivenbythelatterauthorcontains Walker by Edwards (1913), resembles T. no locality data. Material: 1 #, Kb: Kotavaara, subterminalis,byhavinglargetriangularventral 8.–17.IX.1998; 1 #, Ok: Särkijärvi, 18.– cleftonthegonocoxites(Dziedzicki1915;table 29.VII.1997. XI, figure 149). However, the figure of T. TrichontaapicalisStrobl,1898.AEuropean terminalisbyR.Gagné(1981;p.48,figure93)in species;inFennoscandia,previouslyknownonly the revision of the genus, is distinctly different. fromSweden(Plassmann1980b).Material:1#, Material:1#,Kb:Kotavaara,20.–25.VIII.1998. Kb:Kotavaara,25.VIII.–2.IX.1998. TrichontaeximiaGagné,1981.Thisspeciesis 3.5.3.SubfamilyMycomyinae common in North America. In Eurasia it was known from the Himalayas (Gagné 1981) and MycomyafuscataWinnertz,1863.Knownfrom ENTOMOL.FENNICAVol.17 (cid:127) FungusgnatsnewtoFinland 167 * Neoempheria winnertzi Edwards, 1913. Known from Europe and Iran. No previous re- cordsfromFennoscandia,withtheexceptionof onefromFinlandwithnolocalitydata(Chandler 2005).Material:1#, Ok:Teerisuo,16.–29.VII. 1997; 3 ##, Ok: Urpovaara, 16.VII.–11.VIII. 1997. 3.5.4.SubfamilySciophilinae *NeurateliasintenisiLackschewitz,1937.Previ- ouslyknownonlybytypematerialfromEstonia (Lackschewitz1937)andbyanadditionalrecord Fig.2.NeurateliasintenisiLackschewitz,malegenita- from Czech Republic ((cid:2)ev(cid:3)ík 2001). Reported fromNorth-WesternRussiaandFinlandwithno lia.–a.Ventralview.–b.Dorsalview.Scalebar0.1 mm. localitydata(Chandler2005).Malegenitaliaare illustrated in Fig. 2. Material: 2 ##, Kb: Kota- Europe and North America. In Fennoscandia, vaara, 23.VII.–6.VIII.1998; 1 #, St: Nälkä- previously reported fromNorthern Sweden and hittenkangas,15.–31.VII.1998. Murmanskprovince(Väisänen1984).Material: PhthiniasetosaZaitzev,1994.Ararespecies 2##,Ok:Teerisuo,12.IX.–2.X.1997. known so far only from Fennoscandia: Russian MycomyanornaVäisänen,1984.Previously Karelia(Zaitzev,1994),Norway(Økland1996) known by the holotype from Northern Sweden and Sweden (Hedmark 1998). Material: 2 ##, (Väisänen 1984), and additional records exist Kb:Kotavaara,23.VII.–11.VIII.1998. from South-Eastern Norway (Økland 1996), SciophilamodestaZaitzev,1982.AHolarctic Germany and Finland (Chandler 2005). The species;widelydistributedinNorthAmerica.In Finnish record (Chandler 2005) has no locality the Palaearctic region mostly recorded from data.Onthebasisofthepresentmaterialthisspe- northern areas including Russian Karelia ciesappearstobecommoninold-growthforests (Zaitzev1994).Material:3##,Kb:Kotavaara, in Southern Finland. All individuals were col- 22.VI.–6.VIII.1998. lectedwithbaittraps.Material:1#,St:Ahvenus, SciophilanonnisilvaHutson,1979.AHolarc- 25.VIII.–16.IX.1998; 17 ##, Ta: Vesijako, ticspecies.WidelydistributedinEurope(Chan- 7.VII.–12.X.1998; 13 #, Ta: Iso-Saarijärvi, dler 2005), recorded also from Azerbaidjan 15.VII.–13.X.1998; 4 #, Ta: Kolmikoura, (Zaitzev1994).InFennoscandia,thespecieshas 31.VII.–24.VIII.1998;13#,Ta:Kotiset,7.VII.– previously been found in Norway (Økland & 12.X.1998; 11 #, Ta: Lakeisnevankangas, 10.– Zaitzev1997)andSweden(Kurinaetal.2005). 21.VIII.1998; 1 #, Ok: Lauvuskylä, 13.– Material:1#,Kb:Kotavaara,13.–17.VII.1998. 26.VIII.1997; 88 ##, St: Lymylampi, 12.VI.– SciophilapersubtilisPolevoi,2001.Thisspe- 13.X.1998; 48 #, Ta: Metsäopisto, 24.VIII.– cieshaspreviouslybeenknownonlybythetype 17.IX.1998; 2 ##, St: Multinharju, 10.VIII.– material from Russian Karelia (Polevoi 2001). 16.IX.1998; 20 ##, Ta: Musturi, 24.VI.– Material: 6 ##, Kb: Kotavaara, 11.VI.–8.IX. 15.X.1998; 102 ##, St: Nälkähittenkangas, 1998. 12.VIII.–16.IX.1998; 1 #, Ok: Pellinkangas, 25.VIII.–9.IX.1997;6##,Petäjäjärvi,30.VII.– Acknowledgements. We are grateful to Timo Hokkanen 17.IX.1998; 37 ##, Ta: Puukkohonka, 24.VI.– (North Karelian Environment Centre, Joensuu), Raimo 12.X.1998; 3 ##, St: Rengassalo, 15.VII.– HeikkiläandGergelyVarkonyi(KainuuRegionalEnvi- 13.X.1998;1#,Ok:Riihisuo,12.–25.VIII.1997; ronmentCentre,ResearchCentreoftheFriendshipPark, Kuhmo)forprovidinguswithlong-termtrappingmaterial. 1#,Ta:Susimäki,21.VIII.–15.IX.1998;32##, WealsothankJuhaSiitonen(FinnishForestResearchIn- Ta:Sudenpesänkangas,7.VII.–21.IX.1998;1#, stitute,Vantaa)andtherefereesforvaluablecommentson Ok:Elimyssalo,28.VII.–7.VIII.1997. themanuscript.Thispaperispartoftheproject“Finnish 168 Polevoietal. (cid:127) ENTOMOL.FENNICAVol.17 fungus gnats (Diptera, Mycetophilidae, etc.): faunistics, gens group from Northern Europe. — Annales habitatrequirementsandthreatstatus”.Thefinancialsup- EntomologiciFennici37:3–7. portfromtheFinnishMinistryofEnvironmentisacknowl- Hackman,W.1980:AchecklistoftheFinnishDipteraI. edged. 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