New Mycomya species from South Korea (Diptera: Mycetophilidae)

2013·0.53 MB·

by  Rauno Väisänen

©EntomologicaFennica.8October2013
New Mycomya species from South Korea
(Diptera: Mycetophilidae)
RaunoVäisänen
Väisänen,R.2013:NewMycomyaspeciesfromSouthKorea(Diptera:Myceto-
philidae).—Entomol.Fennica24:165–171.
ThematerialofthegenusMycomyaRondanifromSouthKoreaisrevised.The
followingthreenewspeciesaredescribed:M.yamagishiisp.n.,M.mogerasp.
n.,andM.sudosanensissp.n.Mycomyawinnertzi(Dziedzicki),M.dziedzickii
Väisänen,M.occultans(Winnertz),M.wuorentausiVäisänen,andM.paraden-
tataVäisänenarerecordedasnewtotheSouthKoreanfauna.Akeyisgivento
theSouthKoreanspecies.
R.Väisänen,MetsähallitusNaturalHeritageServices,P.O.Box94,FI-01301,
Vantaa,Finland;E-mail:[email protected]
Received1June2012,accepted22November2012
1.Introduction andtheHolarcticspecieswereprovidedbyVäi-
sänen(1984a).AkeyisgivenheretotheSouth
The taxonomy of the mycetophilid genus Korean species. Mycomya species are usually
Mycomya Rondani, 1856 is relatively well- readilyrecognizableonthebasisofthemalehy-
knowninthewesternPalaearcticregion(Väisä- popygium(terminalia),whileexternalcharacters
nen1984a),butduringthelastthreedecadesin- arerelativelyunreliableasdiagnosticcharacters.
creasing information has become available also
from the eastern Palaeactic region. Several
Mycomya species have been recorded and de- 2.Materialandmethods
scribedfromChina(e.g.Wu&Yang1990,1992,
1994a,b,1995a,b,1996,Wu1995,1998,Wuet ThestudymaterialcomesfromtheKyushuUni-
al. 2001) and eastern Russia (Väisänen 1984a, versity Collections, Biosystematics Laboratory,
Zaitzev 1994, Krzeminska & Klimont 2011). Ropponmatsu,Fukuoka,Japan(KUC).Thema-
TherearealsoscatteredrecordsofMycomyaspe- terial was collected on Mount Sudo-san in the
ciesfromotherareasineasternandsoutheastern south-easternpartofSouthKorea.
Asia (e.g. Edwards 1935, Shinji 1939, Okada The methodology and morphological termi-
1940, Sasakawa 1961, 2003, 2005, Colless & nology in the main follows that of Väisänen
Liepa1973,Laštovka&Matile1974,Väisänen (1984a,1996).Legratiosrefertothelengthratio
1984a,b,1996). of each basitarsus and the respective tibia. The
This paper is the first contribution to the wing vein ratios (M and Cu ratios) were calcu-
MycomyaspeciesoftheKoreanpeninsula.Three latedasfollows:first,thelengthratioofthepeti-
newspeciesfromSouthKoreaaredescribedbe- oletotheanteriorbranch(M1orCu1)andsec-
low,andfiveotherspeciesarerecordedasnewto ond,thelengthratioofthepetioletotheposterior
the South Korean fauna. Keys to the subgenera branch(M2orCu2).
166 Väisänen (cid:127) ENTOMOL.FENNICAVol.24
3.KeytoSouthKorean group of flattened, curved apical setae; base
Mycomyaspecies oftergite9withalongcurvedlateralexten-
sion;gonostyluswith5–6teeth
1. Coxa2withaspur 2 M.sudosanensisn.sp.
– Coxa2withoutaspur
6(SubgenusMycomyopsis)
2. Abdominal tergites entirely dark or light, or 4.Thespecies
darkwithpalerposteriormargins;abdominal
tergite8withsetae;tergite9withoutafork- 4.1.SubgenusMycomyas.str.
likemedianstructure;ocellarprominencenot
distinctlydarkerthanposteriorpartsofhead; 4.1.1.Mycomyawinnertzi(Dziedzicki,1885)
spur of coxa 2 long, more than half of the
lengthofcoxa 3(SubgenusMycomyap.p.) Material examined. 1 male: South Korea,
– Abdominal tergites yellow with dark poste- Gyongsangbug-Do, Mt. Sudo-san, 800 m,
riormargins;abdominaltergite8bare;tergite 5.VIII.1977,K.Yamagishileg.(inKUC).
9 with a fork-like median structure; ocellar Distribution.TheSouthKoreanspecimenbe-
prominence usually distinctly darker than longstothenominalsubspecies, nottoM. win-
posteriorpartsofhead;spurofcoxa2short, nertzi schmidi Väisänen, 1984 known from the
lessthanhalfofthelengthofcoxa Himalayas(Väisänen1984a,1996).Widelydis-
5(SubgenusCalomycomya) tributed in the Holarctic region (Väisänen
3. Processus of tergite 9 short, wide, apically 1984a),newtotheSouthKoreanfauna.Reported
moreorlessbilobed 4 from Japan (Shinji 1939, Okada 1940). For its
– Processus of tergite 9 long, slender, not biology,seeVäisänen(1984a).
bilobed M.occultans(Winnertz)
4. Processus apically only slightly bilobed; in- 4.1.2.MycomyadziedzickiiVäisänen,1981
nermarginoftergallateralappendagedensely
coveredwithshortsetae Material examined. 1 male: South Korea,
M.winnertzi(Dziedzicki) Gyongsangbug-Do, Mt. Sudo-san, 800 m,
– Processus deeply bilobed; tergal lateral ap- 5.VIII.1977,K.Yamagishileg.(inKUC).
pendagewithsomescattered Distribution. Previously known only from
M.dziedzickiiVäisänen Western Palaearctic region (Väisänen 1984a,
5. Tergalforkoftergite9basallyY-shaped;go- Zaitzev 1994). For its biology, see Väisänen
nostylus with a long, slender branch and a (1984a).
short,slender,curvedbranch
M.yamagishiisp.n. 4.1.3.Mycomyaoccultans(Winnertz,1863)
– Tergalforkoftergite9basallyV-shaped;go-
nostylus with a long, wide, apically curved Material examined. 1 male: South Korea,
branchandashort,slender,curvedbranch Gyongsangbug-Do, Mt. Sudo-san, 1,000 m,
M.wuorentausiVäisänen 1.VIII. 1977, K. Yamagishi leg. (in KUC); 1
6. Sternalsubmedianfilamentmissing male,samedata,800m,5.VIII.1977(inKUC).
M.mogerasp.n. Distribution.WidelydistributedinthePalae-
– Sternalsubmedianfilamentpresent 7 arctic region (Väisänen 1984a). Recorded from
7. Tergal lateral appendage of tergite 9 wide theKurilIslands(Väisänen1984a),Japan(Sasa-
withaverywidecomb-likebrushofflattened, kawa 1961, Väisänen 1984b), China (Shanxi,
apical-subapicalsetaecoveringalmosthalfof Zhejiang, Guizhou) (Wu & Yang 1994a, Wu
its inner margin; base of tergite 9 without a 1995),India(UttarPradesh)andMyanmar(Väi-
basalextension;gonostyluswith2teeth sänen 1996). For its biology, see Väisänen
M.paradentataVäisänen (1984a)andJakovlev(2011).
– Tergal lateral appendage slender with dense
ENTOMOL.FENNICAVol.24 (cid:127) NewMycomyaspeciesfromSouthKorea 167
Fig.1.Mycomyayama-
gishiisp.n.,malehy-
popygium.–a–b.Ter-
galandsternalviews.
–c.Apexofsternallat-
eralappendage,twice
enlarged.–d.Gonosty-
lus,twiceenlarged.
–e.Apexofaedeagus,
lateralview,twiceen-
larged.Scalebar0.2
mm.
4.2.SubgenusCalomycomyaVäisänen,1984 lowish, with 4 long setae. Laterotergite yellow.
Mediotergiteyellowish,bare.
4.2.1.Mycomyayamagishiisp.n.(Fig.1) Wing. Length 4.2 mm. Hyaline, apex very
weaklyinfuscated.ScendinginCdistallytomid-
Type material. Holotype male: South Korea, dleofsmallcell,Sc2endinginR1distallytomid-
Gyongsangbug-Do,Mt.Sudo-san,500m,8.VI. dle of small cell. Apical part of Sc bearing 20
1977,K.Yamagishileg.(inKUC). macrotrichia. Small cell about twice as long as
Description.Male. wide.CuforkbelowMfork.Mratios:0.45,0.60.
Head.Palp,othermouthpartsandfaceyellow, Curatios:0.77,1.15.Macrotrichia:Mpetiole:0;
posteriorpartsofheadyellowish,ocellarpromi- M1:+;M2:+;Cupetiole:+;Cu1:+;Cu2:+.Hal-
nencebrown.Antennabrownish,scape,pedicel terpaleyellowish.
andbaseof1stflagellomereyellow.1stflagello- Legs. Coxae and femora yellow, tibiae and
mereabout3×,2nd1.5×aslongaswide. tarsibrownishtobrown.Coxa1withsomethin
Thorax. Pronotum yellow, with 5 longer setae along anteromedial surface. Coxa 2 with
setae. Mesoscutum yellow with 3 brownish shortcurvedspurwith1apicalteeth.Legratios:
undistinctlongitudinalstripes.Mesanepisternum bt1:t1=?,bt2:t2=?,bt3:t3=?
and mesokatepisternum yellow. Scutellum yel- Abdomen. Tergites 1–5 yellow, with brown
168 Väisänen (cid:127) ENTOMOL.FENNICAVol.24
Fig.2.Mycomyamo-
gerasp.n.,malehypo-
pygium.–a–c.Tergal,
sternalandlateral
views.–d.Tergallat-
eralappendage,twice
enlarged.–e.Gonosty-
lus,twiceenlarged.
–f.Apexofaedeagus,
sternalview,twiceen-
larged.Scalebar0.2
mm.
mediallineandposteriormargins,6–7brownish tailsofthemalehypopygium,e.g.thecharacter-
tobrown.Sternites1–5yellow,6–7brownish. isticshapesofthetergalforkandthegonostylus.
Hypopygium(Fig.1).Yellowish.Tergalfork
Y-shaped,deeplybilobed,withshortapicalsetae 4.2.2.MycomyawuorentausiVäisänen,1984
androundedlaterallobes.Sternallateralappend-
agewithmanyflattenedsetae(Fig.1c).Gonosty- Material examined. 2 males: South Korea,
luswithtwobranches,onelongandcurvedwith Gyongsangbug-Do, Mt. Sudo-san, 1,000 m,
two subapical teeth, and another short, slender 1.VIII.1977,K.Yamagishileg.(inKUC).
andcurved(Fig.1d).Aedeaguswith2longspurs Distribution: Described from Vladivostok,
(Fig.1e). Russian Far East (Väisänen 1984a). Recorded
Female.Unknown. also fromZhejiang and Fujian in China (Wu &
Distribution.SouthKorea. Yang1994a)andJapan(Sasakawa2005).
Etymology. The species is named after the
Japanese entomologist K. Yamagishi, who col- 4.3.SubgenusMycomyopsisVäisänen,1984
lectedtheholotype.
Remarks.Differsfromtheotherspeciesofthe 4.3.1.Mycomyamogerasp.n.(Fig.2)
subgenus Calomycomya (see Väisänen 1984a,
andM.lintananainWu&Yang1994b)inthede- Type material. Holotype male: South Korea,
ENTOMOL.FENNICAVol.24 (cid:127) NewMycomyaspeciesfromSouthKorea 169
Gyongsangbug-Do, Mt. Sudo-san, 1,000 m, tergallateralappendageswithoutflattenedapical
1.VIII.1977,K.Yamagishileg.(inKUC).Paraty- setae.
pes:samedata,31males(inKUC).
Description.Male. 4.3.2.MycomyaparadentataVäisänen,1984
Head.Palp,othermouthpartsandfaceyellow,
posterior parts of head brownish to brown. An- Material examined. 2 males: South Korea,
tennabrownish,scape,pedicelandbaseof1stfla- Gyongsangbug-Do, Mt. Sudo-san, 1,000 m,
gellomere yellow. 1st flagellomere about 4×, 2nd 1.VIII.1977,K.Yamagishileg.,(inKUC).
2.5×aslongaswide. Distribution. Previously known only from
Thorax. Pronotum yellow, with 3–4 longer WesternPaleaercticregion:France,Poland,Den-
setae. Mesoscutum yellow with 3 brown fused mark,Sweden,Finland,Russia(nearSt.Peters-
longitudinal stripes. Mesanepisternum and burg)andUkraine.
mesokatepisternum yellow. Scutellum yellow,
with 4 long setae. Laterotergite yellow. Medio- 4.3.3.Mycomyasudosanensissp.n.(Fig.3)
tergiteyellowish,bare.
Wing.Length3.5–4.0mm.Hyaline.Scend- Type material. Holotype male: South Korea,
inginR1slightlydistallyorproximallytomiddle Gyonsangbug-Do, Mt. Sudo-san, 1,000 m,
ofsmallcell,Sc1missing.ApicalpartofScbear- 1.VIII.1977,K.Yamagishileg.(inKUC).Paraty-
ing1–11macrotrichia.Smallcellabout1.5times pes:samedata,14males(inKUC).
as long as wide. Cu fork distinctly distal to M Description.Male.
fork. M ratios: 0.96–1.05, 1.38–1.44. Cu ratios: Head.Palpandothermouthpartsyellow,face
0.96–1.04, 1.56–1.60. Macrotrichia: M petiole: yellowish, posterior parts of head brown. An-
0;M1:0;M2:0;Cupetiole:0;Cu1:0;Cu2:0. tennabrownish,scape,pedicelandbaseof1stfla-
Halterpaleyellowish. gellomere lighter. 1stflagellomere about 4×, 2nd
Legs. Coxae and femora yellow, tibiae and 2×aslongaswide.
tarsibrownishtobrown.Coxa1withoutspecial Thorax. Pronotum yellow, with 3 longer
setae. Coxa 2 without spur. Leg ratios: bt1:t1 = setae. Mesoscutumbrownish to brown, anterior
0.83–0.88,bt2:t2=0.71,bt3:t3=0.58–0.61. margin widely yellow. Mesanepisternum and
Abdomen. Tergites brownish, sternites yel- mesokatepisternum yellow. Scutellum yellow,
lowish. with 4 long setae. Laterotergite yellowish to
Hypopygium(Fig.2).Yellow.Tergite9with brownish.Mediotergiteyellowish,posteriorpart
twopairsofcombs,outercombsclearlyseparated brownish,bare.
fromeachother,bothwith6–7spines.Tergallat- Wing.Length2.9–3.3mm.Hyaline.Scend-
eralappendagelong,slenderandslightlycurved, inginR1slightlydistallyorproximallytomiddle
with pale curved apical setae, middle part bare, ofsmallcell,Sc1missing.ApicalpartofScbear-
and a spine-like group of basal setae (Fig. 2d). ing6–13macrotrichia.Smallcell1–1.5timesas
Sternalsubmedianfilamentmissing.Gonostylus longaswide.CuforkdistinctlydistaltoMfork.
with 4–5 small subapical teeth and a long seta Mratios:1.04–1.19,1.36–1.60.Curatios:1.00–
(Fig.2e).Apexofaedeaguswide,setose(Fig.2f). 1.05,1.67–1.70.Macrotrichia:Mpetiole:0;M1:
Female.Unknown. 0; M2: 0; Cu petiole: 0; Cu1: 0; Cu2: 0. Halter
Distribution.SouthKorea. paleyellowish.
Etymology.Thespeciesnameisanarbitrary Legs. Coxae and femora yellow, tibiae and
combinationofletters. tarsibrownishtobrown.Coxa1withoutspecial
Remarks.Differsfromtheotherspeciesofthe setae. Coxa 2 without spur. Leg ratios: bt1:t1 =
subgenusMycomyopsisinthedetailsofthemale 0.69–0.79, bt2:t2 = 0.57–0.60, bt3:t3 = 0.56–
hypopygium,e.g.theshapeandsetosityoftergal 0.57.
lateral appendage and the lack of sternal Abdomen.Brownish.
submedianfilaments.ChineseM.elegantula,Wu Hypopygium(Fig.3).Yellow.Tergite9with
&Yang,1992,differsfromM.mogerasp.n.in twopairsofcombs,outercombswide,bothwith
having short sternal submedian appendage and aboutdozenspines,baseofthecombwithlong,
170 Väisänen (cid:127) ENTOMOL.FENNICAVol.24
Fig.3.Mycomyasudo-
sanensissp.n.,male
hypopygium.–a–c.
Tergal,sternalandlat-
eralviews.–d.Tergal
lateralappendageand
tergalcombs,with
curvedlateralextension
atbaseofoutercomb.
–e.Gonostylus,twice
enlarged.–f–g.Apex
ofaedeagus,sternal
andlateralviews,twice
enlarged.Scalebar0.2
mm.
curvedlateralextension(Fig.3a,d).Tergallateral 1937)hassimilarlateralextensionsofthebaseof
appendagelong,slender,slightlycurved,mostly theoutertergalcombs,butitdiffersfromM.su-
barewithadensegroupofflattenedcurvedapical dosanensissp.n.intheshapeandsetosityofthe
setae(Fig.3d).Sternalsubmedianfilamentlong, tergal lateral appendage and gonostylus having
curved. Gonostylus with 5–6 subapical teeth 3teeth.
(Fig.3e).Apexofaedeaguswidewithlobesand
poorlyvisiblelongcurvedspurs(Fig.3f–g). Acknowledgements.IwishtothankProf.ToyoheiSaigusa
Female.Unknown. andProf.HiroshiShima(Ropponmatsu,Japan),forplac-
ingtheirmaterialatmydisposal.IamverygratefultoProf.
Distribution.SouthKorea.
Kari Heliövaara (University of Helsinki), Dr. Pekka
Etymology.Thespeciesisnamedafteritstype
Vilkamaa (Zoological Museum, University of Helsinki)
locality. andJevgeniJakovlev(FinnishEnvironmentInstitute,Hel-
Remarks.Differsfromtheotherspeciesofthe sinki)fortechnicalassistance.
subgenusMycomyopsisinthedetailsofmalehy-
popygium,e.g.intheshapeandsetosityoftergal References
lateralappendageandinhavingthecharacteristic
Colless,D.H.&Liepa,Z.1973:SuperfamilyMycetophi-
long,curvedlateralextensionsofthebaseofthe
loidea.FamilyMycetophilidae(Fungivoridae).—In:
outertergalcombs.NearcticM.dentata(Fisher, Delfinado,M.D.&Hardy,D.E.(eds.),Acatalogof
ENTOMOL.FENNICAVol.24 (cid:127) NewMycomyaspeciesfromSouthKorea 171
theDipteraoftheOrientalregion.VolumeI.Suborder Väisänen,R.1984b:Mycomyaelephassp.n.fromCali-
Nematocera:444–463. The University PressofHa- fornia,andrecordsofotherHolarcticspecies(Diptera,
waii,Honolulu.618pp. Mycetophilidae). — Annales Entomologici Fennici
Dziedzicki, H. 1885: Przyczynek do fauny owadów 50:115–117.
dwuskrzyglych.Rodzajenowe:Hertwigia,nov.gen.; Väisänen,R.1996:NewMycomyaspeciesfromtheHima-
Eurycera, nov. gen. I Gatunki rodzajów: Boletina, layas(Diptera,Mycetophilidae):1.SubgenusMyco-
Sciophila. — Pamietnik Fizyjograficzny 5(3): 164– myas.str.—EntomologicaFennica7:99–132.
194.[InPolish.] Winnertz, J. 1863: Beitrag zu einer Monografie der
Edwards,F.W.1935:Schwedisch-chinensischewissens- Pilzmücken.—VerhandlungenderZoologisch-Bota-
chaftlicheExpeditionnachdennordwestlichenPro- nischenGesellschaftinWien13:637–964.
vinzenChinas,unterLeitungvonDr.SvenHedinund Wu,H.1995:(Diptera:Mycetophilidae).—In:Wu,H.
Prof.SuPing-Chang.Insektengesammeltvonschwe- (ed.),InsectsofBaishanzuMountain,EasternChina:
dischen Artz der Expedition Dr. David Hummel 435–450.ChinaForestryPublishingHouse,Beijing.
1927–1930.49.Diptera.15.Fam.Mycetophilidae,Bi- 586pp.[InChinese.]
bionidaeundCulicidae.—ArkivförZoologi27A, Wu,H.1998:(ThreenewspeciesofMycomyafromLong-
30:1–3. wangshanNatureReserveofZhejiang[Diptera:My-
Fisher, E. G. 1937: New North American fungus gnats cetophilidae]). — Journal of the Zhejiang Forestry
(Mycetophilidae).—JournaloftheNewYorkEnto- College15(2):170–175.[InChinese.]
mologicalSociety45:387–401. Wu,H.&Yang,C.1990:(Twonewspeciesofmycetophi-
Jakovlev,J.2011:Fungusgnats(Diptera:Sciaroidea)asso- lids(Diptera:Mycetophilidae)fromNeiMongol).—
ciatedwithdeadwoodandwoodgrowingfungi:new Entomotaxonomia12(3–4):275–278.[InChinese.]
rearingdatafromFinlandandRussianKareliaandge- Wu,H.&Yang,C.1992:(ThemycetophilidsofMt.Mo-
neralanalysisofknownlarvalmicrohabitatsinEuro- ganwithdescriptionsof10newspecies[Diptera:My-
pe.—EntomologicaFennica22:157–189. cetophilidae]). — Journal of the Zhejiang Forestry
Krzeminska,E.&Klimont,A.2011:AnewspeciesofMy- College9:424–438.[InChinese.]
comya from Siberia (Diptera: Mycetophilidae). — Wu,H.&Yang,D.1994a:TheChineseMycomya(Dipte-
Actazoologicacracoviensia54B(1–2):17–21. ra,Mycetophilidae).—JapaneseJournalofEntomo-
Laštovka,P.&Matile,L.1974:Mycetophildae(Diptera) logy62:65–77.
deMongolie.—ActaZoologicaAcademiaeScienti- Wu,H.&Yang,C.1994b:(Threenewspeciesofgenus
arumHungaricae20(1–2):93–135. MycomyafromGansu[Diptera:Mycetophilidae]).—
Okada, I. 1940: Die Fungivoriden-Fauna von Honschu JournaloftheZhejiangForestryCollege11(2):165–
(Diptera,Nematocera).—Tenthredo,Kyoto3(1):24– 170.[InChinese.]
44. Wu,H.&Yang,C.1995a:AnewspeciesofthegenusMy-
Rondani,C.1856:DipterologiaeItalicaeProdromus.— comyafromSichuanProvince,China(Diptera:Myce-
Parma.226pp.[InLatin.] tophilidae).—ActaZootaxonomicaSinica20:232–
Sasakawa,M.1961:JapaneseFungivoridae.I.Recordsof 233.
elevenunknownspeciesfromJapan.—Kontyu29: Wu,H.&Yang,C.1995b:TwonewspeciesofMycomya
88–90. (Diptera: Mycetophilidae) from Shanxi Province,
Sasakawa,M.2003:NotesontheJapaneseDiptera.Part2. NorthernChina.—Entomotaxonomia17:47–50.
— Japanese Journal of Entomology (New Series) Wu,H.&Yang,C.1996:AnewspeciesofMycomyaRon-
6(3):119–133. danifromBeijing(Diptera:Mycetophilidae)—Acta
Sasakawa,M.2005.(Fungusgnats,lauxaniidandagromy- EntomologicaSinica39:310–311.
zidflies(Diptera)oftheImperialPlace,theAkasaka Wu,H.,Zheng,L.&Xu,H.2001:Threenewspeciesof
ImperialGardensandtheTokiwamatsuImperialVilla, MycomyainChina(Diptera:Mycetophilidae).—Ac-
Tokyo).—MemoirsoftheNationalScienceMuseum, taZootaxonomicaSinica26(4):569–572.
Tokyo39:273–312.[InJapanese.] Zaitzev,A.I.1994:(Fungusgnats[Diptera,Mycetophiloi-
Shinji,O.1939:(OnsomeunrecordedgeneraofFungivo- dea]ofRussiaandadjacentcountries.PartI.Families
ridaefoundinJapan).—InsectWorld,Gifu43(1):2– Ditomyiidae,Bolitophilidae,Diadocidiidae,Keropla-
6,(2):2–6.[InJapanese.] tidae, Mycetophilidae (subfamilies Mycomyinae,
Väisänen,R.1984a:AmonographofthegenusMycomya Sciophilinae,Gnoristinae,Allactoneurinae,Leiinae).
RondaniintheHolarcticregion(Diptera,Mycetophi- —Nauka.Moscow.288pp.[InRussian.]
lidae).—ActaZoologicaFennica177:1–346.