Contributions to the Knowledge of the Quediina (Coleoptera, Staphylinidae, Staphylinini) of China : Part 19. Genus Quedius STEPHENS, 1829. Subgenus Microsaurus DEJEAN, 1833. Section 11

11 Pages·2001·11.5 MB·English

by  Smetana, A

Elytra, tokyo,29(1):181-l91,Junel5,200
ContributionstotheKnowledgeoftheQuediina
(Coleoptera,Staphylinidae,Staphylinini)ofChina
Part i9. GenusQuediusSTEPHENs,1829.
SubgenusMido'saulusDEJEAN,1833.Sectionl1
AleVSSMETAN:A
AgricultureandAgri-FoodCanada,ResearchBranch,
CentralExperimentalFarm,K.W.NeatbyBldg.,
Ottawa,OntarioKIAOC6,Canada
Abstract TaxonomicandfaunisticdataonthespeciesofthegenusQltedius,sub-
genusMe,-osau,us, fromthePeople'sRepublicofChinaareprovided.Threespeciesare
describedasnew:Q.flaw(Sichuan),Q duh(Shaanxi)andQ guey(Shaanxi).Thefemale
ofQmyauisdescribedforthefirsttime.QtlediusadJace11sisforthefirsttimerecorded
fromHunan,Q bitefromYunnan,Q. fa1・kact fromSichuanandXizang(Tibet)andQ on-
,1111sfromSichuan.
Quedius(Microsaurus)adj'aeonsCAMERON
Quediusadface,IsCAMERON,1926,368.
New records. China: [Hunan]: “Zhang Jia Jie N.P., 1400-1600m, 15.-
17.VII92, Holzschuh,” I in the Naturhistorisches Museum, Wien, Austria;
,
[Sichuan]:“EmeiShan,2500m,22.-24.VI91,HolzschuhandJi,”1e,intheSMETANA
collection(Ottawa).
Comments. This isthefirst recordofQ adJacens fromHunan. It extends the
Chinesedistributionalrangeofthisspeciestowardsoutheast.InChina,thespecieswas
so farknown fromSichuanandShaanxi(SMETANA,1996a,1; 1999a,214).
Quedius(Microsaurus)biteSMETANA
QuediusbitoSMETANA,1996,7.
New record. China: [Yunnan]:“Yu1ongMts.,3900m,16.-18.VI.1993,27.ION
100.13E,Bolmlgt”,1 intheNaturhistorischesMuseum,Basel,Switzerland.
Comments. Thespecieswas until now knownmainly fromthemountainsof
westernandnorthernSichuan,withthedistributionalrangeextendingnorthintosouth-
westernGansu(SMETANA,1996a,9). Theaboverecor new for Yunnan,extendsthe
rangefurthersouthintonorthernYunnan.
182 AlesSMETANA
Quedius(Miclosaurus)cltrelnesSMETANA
Quediuscill'e'nosSMETANA,1996,10.
New reco1・ds. China: [Shaanxi]:“QinLingShan,Houzhenzi,2600m,7.VII96;
3300m, 8.VII96, M. Janata”; same, “Houzhenzi to Taibai Shan, 3000m, 29.VI.-
2.VII96,Jindra,SafranekandTryzna”, I 3 intheSMETANAcollection(Ottawa).
, ,
Comment. Quediuschromesisatpresentknown fromthemountainsofGansu,
Shaanxi andSichuan.
Quedius(Microsaurus)pi・tzewalskiiREITTER
QuediusprzeualskiiREITTER,1887,211.
New reco1・d. China: [Sichuan]: “Ganzi Tibet. Aut.Pref., KangdingCo., Daxue
Shan, TshetoLaPass30°05N l01°48E,4300-4350m,25.VI.1999, M.Schulke”, 1
,
intheScHOLKEcollection,Berlin.
Comments. The specimen bears the following habitat data: “Steine, Moss,
Rhod”.
Quedius(Microsaurus)mukuensisBERNHAUER
s lled1ils'miｽtlen1s' BERNHAUER,1933,40
New reco1・ds. China: [Sichuan]:“Sanggarpar [Sanggarma1??]env.,5.-8.VIII91,
J. Kalab”, 2 in theNaturhistorisches Museum,Wien, Austria, and theSMETANA
,
collection(Ottawa,Canada).
Comments. Onlythreespecimensofthisspecieswerepreviouslyknown, from
Kangding (holotype)and fromGonggaShanmassive(SMETANA,1995b、233). The
newrecordextendstherangeofthisspeciesconsiderablynorthwards.
Quedius(Microsaurus)wraseiSMETANA
1le11ls_'asciSMF_TANA,1999a,226.
Nelw reco,・d. China: [Sichuan]: “30kmWNanping,Jiuzhaigou, 3100m,13.-
15.VI92,J.Turna”,1!,intheNaturhistorischesMuseum,Wien,Austria.
Comments. Thespecimenismissingbilaterallytheadditionalpuncture,situated
posteromediadoftheposterior frontalpunctureonthehea justlikeitwasreported
foroneparatypeofthisspecies(seeSMETANA,1999a,229).
ThespecieswasuntilnowknownonlyfromtheGonggaShanmassive.
Quedius(Mie'osauru)farkaciSMETANA
Qtlediusfa''kaciSMETANA,1997b,464.
New records. China: [Sichuan]:“Luhuo-Sertar,pass35kmNNELuhuo,3500-
ContributionstotheQuediinaofChina,19 l83
4000m,26.-27.VII.1994,J.Turnaleg'',1 intheNaturhistorisches Museum,Wien,
,
Austria;“ChelaShanruts., roadDege- Maniganggo,40kmEDege,31°55N98°53E,
4200m, 19.VII i997,J. Turnaleg”, 1 in theScHULKEcollection, Berlin; “Ganzi
,
TibetAut.Prof.BatangCo.ShaluiShan,55kmNEBatang,30°17N99°31E,4300m,
1.VII i999,M.Schiilke”,1 intheScHULKEcollection,Berlin. [Tibet]:“roadJomda-
,
Dege,pass40kmNEJomda,31°38N98°28E,4245m,18.VII i997,J.Turna”,1 in
,
the SMETANA collection, Ottawa. [Yunnan]: “Deqen (spelledDequenon the label),
3900m,10.-19.VII i996”,1e,intheKucERAcollection,Sobeslav,CzechRepublic.
Comments. Thesearethefirst recordsofthisspecies fromSichuanandTibet.
Basedontheaboverecords,Q.farkac1seemstobefairlywidelydistributedathighel-
evations in variousmountainranges innorthern Yunnan, northwesternSichuanand
eastern Tibet. All collectingsites that giveexact elevations are closeto, or above
4,000m. Thespecimens fromShaluiShanbear the followinghabitat data: “Rinde,
Pilze,Nadelstreu'';thespecimenfromTibetwastakeninanalpinemeadow.
InthemalefromDeqentheparamereisonlyminutelynotchedmedioapica11y,and
theapexofmedianlobeissharper thanshowninfigs 32and33inSMETANA,1997b,
466. However, this is considered fo liewithin the intraspecific variability of the
species. Thecharacteristic, largebasalportionofsternite9ofthemalegenital seg-
ment, ispresent inthisspecimen
Med加s(MlcrosaMM' S)myaMSMETANA
(Fig.1)
QuediusmyauSMETANA,1999b,535.
New reco1・d. China: [Sichuan]:“EmeiShanVI.1992”,1?, intheSMETANAco1-
lection, 0ttawa,Canada.
Comments. Onlymalesofthisspecies(fromGonggaShanandXilingMt. in
Sichuan) were known until now. As shown below this female specimen differs
markedly fromthemalesbyitsratherpalecoloration,butinallotherectoskeleta1char-
acters itmatchesthemperfectly.ThereforeIamreasonablysure,despitethefactthat
malesofQmyauhavenotyetbeenfoundoncruelShan,thatthespecificassignment
ofthespecimeniscorrect.Thespecimenisnottenera1,sothepalecolorcannotbeat-
tributedtothis. 0ntheotherhand, itcannotbeexcludedthatthecoloration isnot nat-
uraluntiladditional femalespecimensbecomeavailable.
Female. Testaceo-brunneous, vertex of head markedly darkene elytra
vaguely,indefinitelydarkenedaroundscutellum,maxillaryandlabialpalpi,andanten-
naerufotestaceous,antennaebecomingvaguely,graduallydarkertowardapex;legsru-
fotestaceous,medial facesofmiddleandhindtibiaemarkedlydarkened.Firstfourseg-
mentsoffronttarsussimilartothoseofmale,butslightlylessdilate segment2about
aswideasapexoftibia.Genitalsegmentwithtergite10relativelyshort,markedlypig-
mentedmedioapica1ly,withdifferentiated,ratherrobustapicalportionbearingnumer-
184 AlesSMF_TANA
ous1ongsetaeatandnearapex,withsomeshortersetaeandminute,pale,peg-like
setaein frontofthem(Fig.1).
Quedius(Microsaurus)enniusSMETANA
Med1llse'1nlMsSMETANA,1996,16.
New reco1・d. China: [Sichuan]: “30kmNW Mull (Bowa) 28°07N 101°05E,
about 3500m, l.-2.VII98, J. Turna'', 1 in the Naturhistorisches Museum Wien,
,
Austria.
Comments. This isthefirstSichuanrecordof thisspeciesthatwasuntil now
knownonlyfromYunnan.ThelocalityMullisinsouthernSichuan.
Quedius(Microsaurus)euanderSMETANA
Quediusettande1'SMETANA,1997a,63.
New records. China:[Sichuan]:“Ya'anPrefecture,TianquanCo.EErlangShan
Pass,2900m,9kmSELuding,29°59N102°18E,20.-22.VI.1999, leg.M.Schiilke”,
2 3 intheScHOLKE(Berlin)andSMETANA(Ottawa)Collections.
, ,
Comments. This isthe first recordof thisspeciesthat is locatedoutsidethe
HailuogouvalleyanditsvicinityinGonggaShan.ErlangShanisontheother(east)
sideofthevalleyoftheDaduHeRiver.
Quedius(Microsaurus)ephl'altosSMETANA
Quediusep1/ialtesSMETANA,1997a,60.
New records. China: [Sichuan]:“Ganzi Tibet.Aut.Pref.,KangdingCo.Daxue
Shan, Mu Ge Cou, 2km oberh. unt. See 30°fiN 101°52E, 5.VII i999, leg. M.
Schulke”, l9; same, “Bachta15kmE Kangding, 2500-2600m30°03N 102°00E,
24.VI.1999,legM.Schiilke”,1(3,1?.IntheScHOLKE(Berlin)andSMETANA(Ottawa)
collections.
Quedius(Microsaurus)eMl yalusSMETANA
Quediuseu'yalttsSMETANA,1997a,52.
Nlew1-ecords. China: [Sichuan]:“GanziTibet.Aut.Pref.,LudingCo.WErlang
ShanPass,2600m,7kmSSELuding,29°51N102°15E,22.or29.VI.1999, leg.M.
Schiilke”,2 .IntheScHULKE(Berlin)andSMETANA(Ottawa)collections.
Comments. This isthefirst recordof thisspeciesthat is locatedoutside the
Hailuogouvalleyanditsvicinity inGonggaShan.ErlangShanisontheother(east)
sideofthevalleyoftheDaduHeRiver(seealsounderQeuander).
ContributionstotheQuediinaofChina, l9 185
Quedius(Microsalu・us)/lawspnov
(Figs2-6)
Description. Inallexternalcharacters,includingcoloration、quitesimilartoQ.
faangSMETANA,1999canddifferentonlybythemalesexualcharacters.
Male. First foursegmentsof fronttarsusnotappreciablydifferent fromthoseof
Q. faang.Sternite8withfivelongsetaeoneachside;withshallowandrathernarrow,
subarcuatemedioapical emargination, triangular areabeforeemargination flattened
andsmooth(Fig 2).Genitalsegmentwithtergite10triangular,similartothatof
.
faang,butnarrower andmoremarkedlynarrowedtowardmoreacuteapexandwith
lessnumeroussetaeatandnearapex(Fig 3);sternite9withshortbasalportion,sub-
truncateapically,withtwosubapicalsetaeandsetationcharacteristicallyarrangedinto
twolongitudinalgroups, inasimilarwayasthoseofQ fatang(Fig 4).Aedoeagus
(Figs 5,6)relativelylarge,elongate;medianlobegraduallynarrowedanteriadtoabout
anterior fourth and then dilated into narrowly spoon-shaped apical portion with
broadlyroundedapex,andwithsmall toothon faceadjacent toparamere.Paramere
largeandwide,coveringmostofmedianlobe,distinctlynotreachingapexofmedian
lobe, anteriorly rather suddenly tapered intoshort, narrow apical portion withapex
bearingminutemedioapical emargination; two finesetaeat apex oneach side of
medioapica1emargination,twoslightlyshortersetaeateachlateralmarginbelowapex;
undersideofparamerewith fourpegsetae formingatransversegroupwithtwosetae
oneachsideofmidline;internalsacwithoutlargersclerotizedstructures.
Fernaleunknown.
Length7.7mm.
Typematerial. Holotype(male):China:“Mt. cruelShanLeidongping2,365m
alt.Sichuan”/“SWChina2-XI-1995S.Uenoleg''Temporarily intheSMETANAco1-
1ection, 0ttawa,Canada- tobeeventuallydepositedinthecollectionoftheNational
ScienceMuseum,Tokyo,Japan.
Geographical distribution. Quedius haw is at present known only from the
cruelShaninwesternSichuan.
Bionomics. Thespecimenrecordedabovewassiftedout fromhumusaccumu-
latedinaforestofdeciduousandevergreen(Rhododendron)broadleavedtrees.
RecognitionandComments. Qued1i,lshawbecomesthethirdspeciesoftheQ.
euryaluscomplexwiththesetationofthemalesternite9characteristicallyarranged
intotwolongitudinalgroups(QeuryalusandQ faangSMETANA,1999barethetwo
otherspecies).ItmaybedistinguishedfromQ.faangbythecharactersgivenabove;Q
eしlryalusdiffersfromg ha1,vbythelargersize,andbythemalesexualcharacters,par-
ticularlybythelongerparamere(reachingapexofmedianlobe),andbythedifferently
shapedscleritesofthemalegenitalsegment(seefigs2-6inSMETANA,1997). Inaddi-
tion,QeuryalusseemstoberestrictedtotheGonggaShanmassive.
Etymology. ThespecificepithetisavariantoftheChineseverb“hao”(tolike,
tobefondof).Itreferstotheappearanceofthespecies.
186 AlesSMETANA
Quedius(Microsaurus)dullsp
nov.
(Figs7-12)
Description. Inallexternalcharacterssimilar toQ erythr・asSMETANA, 1997a
butdifferentasfollows:colorationsomewhatpaler,pronotumbrunneopiceous,gradu-
allybecomingmarkedlypalertowardposteriorandlateralmargins,elytrabrunneousto
rufobrunneous,apicalmarginsofabdominal tergitesmarkedlypaler.Headwitheyes
smaller,temperathereforelessdistinctlyshorterthaneyesseenfromabove(ratio0.51,
comparedtoratio0.34inQeryth1・as).
Male. Firstfoursegmentsoffronttarsusnotappreciablydifferent fromthoseof
Qerythras,segmenttwoslightlywider thanapexoftibia(ratio1.17).Sternite8with
sixlongsetaeoneachside(seeCommetlts);withmoderatelywideanddeep,almost
arcuatemedioapica1emargination,ratherlargetriangularareabeforeemarginationflat-
tenedand smooth apicalmarginwithdenselyset,moderatelylongsetae,generalseta_
tionofstemitefine(Fig7).Genitalsegmentwithtergite10moderatelywidelytrian_
gular,narrowlyarcuateapically,with fiveapicalsetaeanda fewadditionalsetaejn
frontofthem(Fig 8);sternite9withwide,shortbasalportion,apicalportionwide,
subparaIIeI-sided,withapexwidelysubtruncate,withoutdifferentiatedsubapicalsetae,
allsetaeveryfine(Fig 9).Aedoeagus(Figs.10,11)moderatelylarge,ingeneralrather
narrow;medianlobegradually,evenlynarrowedtowardacuteapex,withsmallapjca1
toothon faceadjacent toparamere.Paramerelarge,coveringmostofmedjan1obe;
markedly,arcuatelywidenedinapicalthirdandthennarrowedintoshort,almostpara1_
lei-Sided,narrowlyandfairlydeeplyemarginateapicalportionthatmarkedlyexceeds
apexofmedianlobe;twominutesetaeatapexoneachsideofmedioapica1emargina_
tionandtwoquiteminutesetaeateachlateralmarginbelowapex;undersjdeofpara_
merewithnumeroussensorypegsetae,10-12oneachsideofmedioapica1emargjna_
tion;internalsacwithoutlargersclerotizedstructures.
Female. First four segments of front tarsussimilar to those of male, but
ma「kedlylessdilated;segment2vaguelynarrowerthanapexoftibia(ratjo088)Gen_
italSo9mentwithter9ite10ofcharacteristicshape,narrowinapicalhalf,withslightly
diffe「entiate minuteapexbearingtwoapicalsetae,severaladditionalsetaejnfrontof
apicalsetae(Fig.12).
Length7.6-7.8mm.
Type material. Holotype (male): China: “China: Shaanxi, Qin Ljng shan
108°47E33°51N,MountainWpassatAutoroutekm70,47kmSXian2300_2500m,
S量i ed26.-30.081995.leg.A.P1.itz”.IntheSMETANAcollection,Ottawa,Canada.
Allotype(female):China: [Shaanxi]:samedataasholotype,but“26._27081gg5
Fi9S・ 1-9. - 1.Qtledilfs'1?、all:tcrgite10offemalegenitalsegment. - 2-6.Qlledills1/a.,:2,apjca1
PO「tOinofmaleSternite8;3,tergite10ofmalegenitalsegment;4,slernilc9ofmalcgenjal1segment;
5,aedOea9uS,ventralview;6,apicalportionofundersideofparamere. - 7_9.Qtled1'tlsdllh:7,api_
CalPO「tiOnofmalesternite8;8,tergite10ofmalegenitalsegment;9,selm1ie9ofmalcgenjtalseg_
ment.
ContributionstotheQuediinaofChina,l9 l87
188 AlesSMETANA
leg.M.Schiilke”.IntheScHULKEcollection,Berlin.
Geoglaphicaldistribution. QuediusduhisatpresentknownonlyfromtheQin
LingShanmountainsinsouthernShaanxi.
Bionomics. No details are available about the collection circumstances of the
twospecimensoftheoriginalseries.
Recognitionandcomments. QuediusduhmaybedistinguishedfromQerythlas
andtheothersimilarspeciesbythecharacteristicaedoeagusandtergite10ofthefe-
malegenitalsegment.Twoof thelargesetaeonthemalestemite8aremissing,but
theirsocketsarepresent.Theyareshownbydottedlinesinthedrawing(Fig 7).
Etymology. Thespecificepithet istheChineseverbduh,avariantof“du”(to
envy,tobejealousof).
Quedius(Mic,osaulus)gueyspnov.
(Figs.13-18)
Description. Inallexternalcharactersquitesimilar toQ koelanddifferentby
boththemaleand femalesexualcharacters.
Male. First foursegmentsoffronttarsusnotappreciablydifferent fromthoseof
Qkoel,segment2somewhatwiderthanapexoftibia(ratio1.16).Sternite8with5
1on9setaeoneachside;withwideandratherdeep,obtuselytriangularmedioapica1
emargination,triangularareabeforeemarginationflattenedandsmooth;apicalmargin
Withnumerous,denselysetlongsetaecurvedmediad(Fig.13).Genitalsegmentwjth
ter9ite10triangular,ratherwideandshort,withseveralunequallylongsetaeatapical
ma「9in,andwithadditionalshortersetaeinfrontofthem(Fig.14); sternjte 9wjth
quiteShe「tbasalportion,apicalportionwidelytruncateapically,withoutdjfferentjated
SubapicalSetaebutwithnumerouslongsetae(Fig.15).Aedoeagus(partiallydamaged)
mode「atelylarge;medianlobewithapexnarrowlyarcuate,withdistinctmedja1carjna
belowapexonfaceadjacenttoparamere.Paramerelarge,conspicuouslywide,with
deepandverynarrowmedioapica1emargination; fourfinesetaeatapjca1margjnon
eachSideofmedioapicaIemargination;undersideofparamerewiththreesensorypeg
SetaeSituatedalongapicalhalfofeachmarginofthemedioapica1emarginatjon; jnter_
na1sacwithoutlargersclerotizedstructures(Figs.16,17).
Female. First four segments of front tarsus similar to those of male, but
Sli9htly leSSdilate segment2aboutaswideasapexoftibia.GenjtaIsegmentwjth
te「9ite10(basalPortionmissing)apparentlyrathernarrow,graduallytaperedintonar_
「oWandlong,butnotquiterod-likedifferentiate apicalportjon;wjthonelongapjca1
SetaandWiththreeshortersetaenearit,andwithseveralminutesetaeonnarrowper_
Fi9S・ 10-18・ - 10-12.Q1lediusduh:10,aedocagus,ventralview;11,apicalportionofundersjdeof
Paramere;12, tergite10of femalegenitalsegment. - 13-18.Qtlediusgl,e、・:13,apicalportionof
maleStemite8;14,tergite10ofmalegenitalsegment;15,sternile9ofmalegenjta1segment;16,
Pa「arno「e,Vent「alView;17,apicalportionofundersideofparamere;18,apjcalporljonofterg1tel0of
femalegenitalsegment.
ContributionstotheQuediinaofChina,19 189
190 AlesSMETANA
tioninfrontofthem(Fig.18).
Length7.8-8.0mm.
Typematerial. Holotype(male):China: “CHINA (Shaanxi) Qin LingShan/
107°56E 33°45N, autoroute km 93 S Zhouzhi, 108km SW Xian mount forest
1650m/1.-2.IX95Wrase”.IntheSMETANAcollection,Ottawa.
Allotype (female): China [Shaanxi]: same data as holotype, but additional
“sifted”,and“leg.M.Schiilke”.IntheScHuLKEcollection,Berlin.
Geoglaphica1distribution. QuediusgueyisatpresentknownonlyfromtheQin
LingShanmountainsinsouthernShaanxi.
Bionomics. No details are available about the collection circumstances of the
twospecimensoftheoriginalseries,exceptthattheyweresiftedina“mountain for-
est”.
Recognitionandcomments. Quediusgueyisquitewellcharacterizedbyboth
theshapeoftheparamereandthetergite10ofthefemalegenitalsegment.Bothspeel_
mensoftheori9ina1seriesaretenera1,withthesurfaceofbothpronota(particularlyof
thatoftheallotype)showingnumerousirregularimpressions.Theaedoeagusofthe
holotypewasreceived fairlydamage(i,thereforeitisnotillustratedinthecustomary
way,sincethemiddleportionofthemedianlobeisinbadshape.Theparamerewas
Separated fromthemedianlobe,thereforeitwasnotpossibletoestablishtherelative
Positionsofthetipofthemedianlobeandthatoftheparamere.Despitethedamages
totheaedoeagus,theshapeoftheparamerecombinedwiththepositionoftheapjca1
Setae,andlocationofthesensorypegsetae,aswellastheshapeandsetatjonofthe
apicalPortionoftergite10ofthefemalegenitalsegmentleavenodoubtabouttheva_
Iidityofthisspecies.
QuediusgueyoccursintheQinLingShanmountainstogetherwjthQduhThe
dataavailableatPresentsuggestthatthetwospeciesarelikelyseparatedecologically.
ThetwospecimensofQduhcomefromaforestatanelevationwellabove2,000m,
Who「eaSthoseofQgueycomefromaforestatdistinctlylowerelevationof1,650m
Etymo1o1gy. ThespecificepithetistheChineseword“guey”,avarjantof“guj”,
whichinoneofitsmeaningsmeansdear,precious.
Acknowledgments
MyColleaguesD.E.BRIGHTandA.DAVIES,AgricultureandAgrj_FoodCanada,
ReSea「ehB「anCh,Ottawa,reviewedtheoriginaldra量ofthemanuscrjptandthejrcom_
mentSeventuallyledtoitsimprovement.Mr.GoSATo fromthesameestabljshment
carefullyfinishedthelinedrawings.
要 約
A・SMETANA:中国産ツヤムネハネカクシ亜族に関する知見. 19.ツヤムネハネカクシ属M_
c''osau1't's亜属の11. - 中国産Mic,-osau,-us亜属のツヤムネハネカクシ類に関する新知見をま