An Additional New Species of Cyphonocerus (Coleoptera, Lampyridae, Psilocladinae) from Taiwan

4 Pages·1999·4 MB·English

by  Jeng, M-L

Elyt・,a, 「okyo,27(2):405-408,November13,1999
AnAdditionalNewSpeciesofCyphonocerus(Coleoptera,
Lampyridae,Psi1ocladinae) fromTaiwan
Ming-LuenJENG,Ping-ShihYANG
LaboratoryofInsectConservation,DepartmentofEntomology,NationalTaiwanUniversity,
Taipei106,Taiwan
and
MasatakaSAT0
LaboratoryofNatureConservation,GraduateSchoolofNagoyaWomen'sUniversity,
Mizuho-ku,Nagoya,467-8610Japan
Abstract Anewfireflyspecies,Cyphonoce1-tlsJennlferi, isdescribedfromTai-
wan.ItisdistributedinnorthernandcentralTaiwanabout1,500-2,100mabovesea-level.
AnobservationinlaboratoryshowsthatmalesofC.J'on川fe''ttrytocopulatewithafemale
ofDrilaste,-atrico11isNAKANEwhichissympatricwiththeformerandhasverysimilar
colorationandsize.ThisimpliesthatvisionmayplayanimportantroleinC./ennj?crtfor
short-distancerecognition.
Introduction
ThegenusCyphonocerusofTaiwanandJapanwasrecentlyreviewedbyJENGet
al.(1998).Therewereelevenspeciesknown fromtheworldandthreeofthemwere
recordedfromTaiwan.WhensurveyingthefireflyfaunaoftheTarokoNationalPark
jnthespringof1999,wefoundanundescribedspeciesinthemiddle-elevationmoun-
tainareasinthepark. Inthemeanwhile,ourcolleaguealsocollectedthespeciesf「om
northernTajwan.HereinwearegoingtodescribethenewspeciesandtomodifyOur
previouskeytoincludelt.Themethods,termsandabbreviationsareidenticalwith
thoseinJENGetal.(1998).ThetypeseriesisdepositedintheNationalMuseumof
NaturalScjence(NMNS),Taichung,Taiwan,theDepartmentofEntomology,National
TajwanUniversity(NTU),Taipei,Taiwan,andNagoyaWomens' University(NWU),
Nagoya,Japan,respectively.WewishtothankJenniferLAI(NationalTaiwanUnive一「
sjty)andC.F.LEE(OhioStateUniversity,Columbus,U.S.A)forsendin9usmate「ia1,
andDr.J.s.ASHE(UniversityofKansas)forreadingthemanuscript.ThestudyWasfi-
nanciallysupportedbytheNationalScientificCounciloftheRepublicofChinaWith
grantno.NSC88-2313-BOO2-007.
406 Ming-LuenJENG,Ping-ShihYANGandMasatakaSAT0
2
Figs. 1-2. Habitus - l,Cvp(cid:0)noce,-Mennjner1sp nov., ; 2, ''i/aste''ar''fee//IsNAKANE, Note
.
theirsimilarbodysizeandcoloration.Scale=2mm.
CyphonocerllsJ'erm eriJENGetM.SAT0,sp nov.
(Figs.1,3-6)
Type locality. BetweenTsuenand BiluSacredTree(ca. 2,050mabove sea-
level),HwalienCounty,easternTaiwan.
Description. BL:7.0-7.8mm,BW:2.9-3.3mm.Colorationblack,slightlyshin-
ing,exceptpronot1.1mwithyellowishbrownmarginsandelytraorangeredthroughout
(Fig.1).Epicraniumdenselyandcoarselypunctate.Antennalsegments3-10somewhat
stout,eachwithapairoframi;antennomere3withramishort,nearlyserratelaterally;
antennomere4-10withrami longerthantheirownsegments;lastsegmentlongerthan
theprecedingonebyabout15 times(Fig 3). Pronotum 16-1.7 times broader than
long,withapicalmarginweaklyroundedandhindanglesprominentlyexpanded;sur-
facecoarsely anddensely punctateandcoveredwithdensepubescence;centraldisc
weaklyconvex.Scutellumsparselypunctateinbasal t/4butcoarselyintheremaining
part.Elytrafinelybutdenselypunctate,clothedwithsuberectpubescence;marginsre-
flexedandelytra1carinaedistinct.EL/EW=2.0,EL/PL=4.2-4.4. T8(Fig 4) arched
AdditionalNewC)phonoce1-tlsofTaiwan 407
4
I:i li
i i
lLC 9
〇 -
0
3
Figs.3-6. Morphological charactersofCyphonoce,・usJennifetrisp nov. - 3, Antennaofmale, left
sideview;4,abdominaltergite8ofmale,dorsalview;5,aedeaga1sheath,dorsalview;6,malegeni-
talia,dorsalview.Figs3-5inthesamescale
andslightlysinuateatapex,withapairofobscureluminousorganlaterally.
Aedeaga1sheath(Fig 5)about15mmlong,0.6mmwide,oblong.TSabouta
halfaslongassheath,withTic/T9inlengthabout3.0.Malegenitalia(Fig6)about
1.4mmlong. Medial lobeslender inapical 2/3andthencebroadened towardbase.
paramerealittleshorterthanmedial lobe,bifurcateapically;outer forkacuteandinner
forkblunt;innersidesofparameressharplycurvedinapicalhalf.Basalpiececrescent-
shapeddorsally,about1/4aslongasparamere,slightlyemarginateatapex.
Female. Unknown.
pcseries. Holotype (NMNS),Tsuen-Bilu,2,050ma.s.1.,HwalienCo.,Tai-
wan,25,26_v_1999,sweepingbyM.L.JENG&J.LAl.Paratypes:g dataidentical
,
with theholotype(NMNS,NTU); Ie,ditto,M.SAT01eg. (NWU);8 LalaShan,
,
1,500_l,700ma.s.1.,TaoyuanCo.,Taiwan,22-V-1999,C.F.LEEleg.(NTU),7
,
ditto,M.SAT01eg.(NWU).
Djagnosjs Thjsspeciesissimilar toC taiwanus NAKANE. Likemany othe「
casesofthegenus, it isverydifficulttodistinguishtheirmalegenitaliafromeach
other However,theycanbeeasilydistinguishedbytheircoloration:C.Jennifet「ihas
blackpronotumandorangeredelytrawhichisuniqueinCyphonocerus,WhileC tai-
wanushasdarkbrownpronotumandyellowishbrownelytra.Inaddition,theantennal
408 Ming-LuenJENG,Ping-ShihYANGandMasatakaSAT0
ramiofC.J'emferiaremorerobustthanthoseofC talwanus, and theantennOme「e3
ofC.JemferiisnearlyserratelaterallyratherthanpectinateasinCtaiwanuS.
Ecological remarks. Thisspeciesisseen flyingaroundor restingonground
vegetationbesidebroadleavedforestsatthetypelocality.Themalesusuallyerectthei「
antennaeinaV-shapetodetectscents(maybesexpheromoneemittedby female)when
restingon leaves. A sympatric fireflyspecies,Di・ilasteraft1'co11isNAKANE(Fig 2)
whichbelongstotheOtotretinae,hasverysimilarcolorationandsizewithC.Je'mtferiand
isverycommonatthelocality.Inthelaboratory,weobservedthatseveralmalesofC.
Jennifeeri kepttryingtocopulatewithafemaleofD atrico11isinatransparentPlastic
container(8cmindiameterand5cminheight)andlasted for2-3days.Thissuggests
thatvisionmayplayanimportantroleinC.Jennlfe(ri forshort-distancerecognition.
Distribution. Thisspecies isknown fromTaiwananddistributed innorthern
andcentralmontaneareas(TaoyuanandHwalienCounties)ranging from1,500-2,100
mabovesea-level.
Flightperiodicity. May(andJune?).
Etymology. Wearepleasedtonamethisnewfireflya量erMissJenniferLAlwho
foundthespeciestogetherwithus.
Remarks
ThekeyofJENGetal.(1998)ismodifiedtoincludethenewspecies:
4. Colorationofpronotummoreorlessdarkerorlighterthanthatofelytra 5
- Colorationofpronotumandelytraalmostthesame 0
5. Pronotumyellowishbrown,elytradarkbrownorbrownishblack
C okinawausNAKANE
- Pronotumdarkorblackishbrown,elytrayellowishbrownororangered........7
7. Elytraorangered CJe'mfe''fsp
nov
- Elytrayellowishbrown 8
Theoriginalcouplet7ismodifiedinto8,8into9and9into10
要 約
鄭 明備1・楊 平世・佐藤正考:台湾産クシヒゲボタル属の追加新極. - わたしたちは,
台湾および日本のクシヒゲポタル属Cyp/,onoee,,,sを昨年まとめたが, 1999年の調査で台湾の北
部中央高地帯でさらに1新極を発見したので,雄だけではあるがここに記載した. なお, 同時
に採集した色彩と体長がほぼ同じのD・,tlaste・,at,・ico111sNAKANE?を同じ容器に入れておいたら交
尾行動を試みたのは興味深い.
Reference
JENG,M. L.,P.S.YANG& M.SAT0,1998. ThegenusC)pile,1oce1・11s(Coleoptera,Lampyridae)fromTai-
wanandJapan,withnotesonthesubfamilyCyphonocerinae. Elvt,・a,To;k、o,26:379_398.