Occurrence of a Heptatheline spider (Araneae, Liphistiidae) in Lam Dong Province, Vietnam

4 Pages·2002·1.1 MB·

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Bull, Natn. Sci. Mus., Tbkyo, Ser .A, 28(3) p,p. 1 19-122 ,Septembe r22, 2002
OccurrenceofaHeptathelinSepider(Araneae,

inLam Dong ProvinceV,ietnamLiphistiidae)

Hirotsugu Ono
Department ofZoologM National Science Museum, 3-23-1 Hyakunin-ch6,
Shiajuku-ku ,Tbkyo, 169-O073 Japan
Abstract A new species of the subfamily Heptathelinae (Arane aLei,phistiidae )is described
from Lam Dong Provinc ein the southern part of Vietnam under the name of Songthet aaustralis
sp, nov With this recorq the southern limi tefdistributiona] range ofheptatheline spiders is moved
to the southernmost part of Indochina.
Key words : Taxonomy, new species, Araneae, Liphistiidae ,Heptathe]inae ,Vietnam.
the spider was recognized as a new species of the
Introduction
SongthelaOno,2000,hithertkonown
genus only
Four species of two genera of the subfamily from eastern China,
Heptathelinae were hither tkonown from Viet- Besides ,the discover yof the spider indicates
nam, that is ,Abcathela abca (Ono ,1999) from that the real distributio rnanagle of the subfamily
Yen Bai Province (M) nBai), Abcathela tomokunii Heptathelinae should be moved much southward
(Ono ,1997), cornb. nov. [erroneo uomsitlteyd in from that of the fbrmer knowledge .Although
my previou spaper (Ono ,2000)], from Vinh Phu distributio nraanlges of two liphist isiudbfami-
Province (Tar nDao), P7nathela tonkingensis lies ,Liphistiin aaned Heptathelina es,eem to
(Bristo1w9e3,3),from Bac Giang Province (Ono,1990),
show an allopatry no record of spi-
(Son gLuc Nam) and vanathel acuephuongensis ders in question has been known from Laos and
(Ono ,1999) from Ninh Binh Provinc e(Cuc Carnbodia t,he boundary area ofboth groups,
Phuong) ,All these species were recorded from The eastern part of Thailand is wholly covered
the nomhern part of Vietnam and the southern by liphistii nespiders (Ono & Schwendinger,
1{mi tof thei rdistributio rnanagle was lai don Cuc 1990; Schwendinger ,1996) ;and the occurrence
Phuong Nationa lPark in Ninh Binh Province of heptathelin espiders in northern and southern
(20015 'inN the latitude )w,ith the occurence of Vietnam was recognized herewith, These facts
P7nathel cauophuongensis (Ono ,1999 ,2000 and suggest that the area along the River of Mekong
2001), may play an important role as a boundary be-
In 2002 (May-Jun eI )h,ad an opportunity to tween ranges ofthe two subfamilies.
participat ein an entomological expedition in The interestin g,new species from Vietnam
Vietnar nmade by the Nationa lScienc eMuseum, will be describe din the presen tpaper ,The holo-
'type
Tbkyo (NSMT) ,in collaboration with the Insti- and two paratype sare deposited in the col-
tute of Ecology and Biologic alResources lectio onf the Department of Zoology, National
(IEBR )N,ational Center for Natura lScienc eand Scienc e Museum, [[bkyo (NSMT) ,and a
rfechnology; Hanoi. paratyp eis deposited in the Institut eef Ecolegy
During this expedition, several specimens ofa and Biologica lResources (IEBR )H,anoi,
heptatheli nspeider were obtained from a village I wish to express rrry cordial thanks te Prof
near Bao Loc (11030' iNn )Lam Dong Province, Dr. Vii Quang Con (Direct oDrr). ,Le Xuan Canh
southern Vietnam, After a carefu1 examinatjon, (Vic eDirector) ,Dr. Le Xuan Hue, Dr. Ta Huy
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120 HirotsuguOno

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Figs, 1-5, Songthel aaustratis sp. noy, femal eholotyp efrom Lam Dong Province, Vietnam (NSMILAr
5225). 1, Spinnerets ,ventral view; 2, genita 1area, ventral view; 3, female genitalia c,learea dorsa vliew;
4, spermathecae, dorsa vliew; 5, main bursae of spermathecae, ventral view/ [Scal e1s-:3, 1 mm; 4, O.2 Smm;
5, O.5 mm.]
Thinh, Mn Dang Duc Khuong, Mr. Hoang Vu Family Liphistiid Taheorell ,1869
Tru and Mrs. Nguyen Thi Thu Huong (Depart- Subfamil yHeptathelinae Kishida, 1923
ment of Insect Systematic sof IEBR), Prof Songthela
SatoshiShinonaga(TbkyoP)r,of,YUtaka Arita australis sp. nov.
(Figs1.-8)
(NagoyaD)r,. Haruki Karube (KanagawaD)r.,

Mamoru Owada and Dr, Shnhei Nomura Diagnosis. This new species closely resem-'
(NSMT) for their various aid in my fiel dre- bles Songthel ahangzhouensi sChen, Zhang et
search. Zhu, 1981, known from Zhejian gand Hunan
This study was supported in part by the Provinces ,East China (Son g& Haupt, 1984;
Grants-in-a iNdos. 10640688 fbr Scientif iRce- Song, Zhu & Chen, 1999). Both the species has a
search from the Ministry of Education, Science, same construction of female genital ieas,pecially
Sport sand Culture ,and 13575015 fbr Field Re- in the condition ofmedian (poster biuorrs)a e(cfi
search of the Monbukagakusho Internationa Rle- Fig ,4 of the presen tpaper and Song & Haupt,
search Programs, Japan, 1984, p. 447, fig .3c-d) .However, these bursae
Songthela larger devel-
of austnalis are and more
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HeptathelineSpidertromVietnam 121

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Figs6-8 Songthel aaustralts sp nov--6, Body ofa ferndt pcaratype CNSMTLA 5r226) ,later avi]ew, 7, re-
trea twith a trapdoor closed, 8, trapdoor leavin ogpen [Bod ylengt h1,7 Omrn, trapdoor ,24 mm wide and 19
mm long ]
oped than those ofthe latt esrpecies non-type Juveniles ,from the type locali tM29-
Etpecime nsexamined Holotype 9, Dambri, 30-V-2002 (NSMTLA 5r226-5230)
altitude 800m, near Bao Loc, Lam Dong Descnpnon (bas eodn the temale holotype,
Province ,about 200km NE from Ho Chi Minh male unknown) Measurements Body length
City ,Vietnam ,11030'N ,1080E ,29-V-2002, H 225mm, prosoma lengt h 107mm, width
Ono leg (NSM[IL A5r225) ,3 9, paratypes ,with 9 91mm, opisthosoma lengt h116mm, width
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122 HirotsuguOno
/
9.8mm; lengths of palps and leg s[tot laelngth were found in evergreen broad-leav edforests
(femur+patella+tibia+metatarsus+tnaarrroswluy s) p]r:eserve din nature around a waterfa11
palp 16.8mm (5.9+3.2+3.5+-+ 4l.e2g I) 1,9,1 fbr tourists in cultivated areas mainly fbr tea and
mm (6.3+3.2+3.5+4.0 +I2I .181.)7,mm (6.1+ coffee plantatio nTh,e trapdoor of the holotype
3.2+3.4+3,9+2.1) ,II I 19,3mm (5.6+3.4+female was 33mm wide and 25 mm long; those
32+4,6+2,5), IV 28.5mm (8,3+5.1+4.0+ofparatypes were measured: 26×22, 25×21, and
7.7+3.4). 24 19rnm,
×
Prosoma longe rthan wide, head high ;ocular The species name is Latin meaning "south-
tubercle as long as wide, it sdiameter 1,30mm, ern7'
ALE>PLE>PME>AME (near 3l3y : 27 : 17 : 2),
AME very small and hardl yvisible, clypeus References

wider than ALE-ALE (9 : 4), median ocular area
trapezoidal ,as long as wide. Chelicer awith 7 Chen, Z. E, Z. H. Zhang & C. D, Zhu, 1981. A new
larg eand 2 small teeth on promargi nof fang fur- species of genus Hbptathel aJ. Hbngzhou U}tiu ,8:
row. Leg fbrmula IXI III ,I ,II ;superior claws of Ono3,0 5H-.3,0 81.9 9(0I, nCShtiundey soef. )spiders in the Asian tropics .7Vie
tarsi each with 2-3 teeth, claw of palp with 2 Heredit y7,bkyo, 44(7): 60-64 .(I nJapanese,)
teeth. Ono, H,, 1997. A new species of the genus Heptathela
Opisthosom aovate, longe rthan wide; posteri- (Arane aLiep:histiid afer)om Vietnam ,Acta ArachneL,
er median spinnerets totally fused but relatively 46: 23-28.
large(Fig1,). Ono, H., 1999. Spiders ofthe genus Hleptathel a(Araneae,
sp erFmea mthaelcaee ge npirteasle in(at mF;aiing s2b-u.5r)s .aI elWaor gp eaanidr sdoef- OnLhoii,ps htHio.sr, ty 2ii.0i Ad0ra0c e, if)cZrhoonomog Vle ,i,o 2eg7tr:na ap3mh7,i- c4w 3ita.hnd nottaexson oomni cthe inro tneastu roanl
veloped and close to each other; median ones spiders of the subfatnily Heptathelin ae(Araneae,
moved to the posteri oprositio nnear the base of Mesothela e,Liphistiid aeA)4.em. IVla tnS.ci .Miis.,
main bursae, 7bdyo, (33) 1:45-151.
Ono, H., 2001. Zur Verbreitung der Liphistiiden
Coloration (Fig6.),Prosoma
and markings (Aranea eI)n. :KiiraiusammertfZiss udnegr e2n. Arages-
dark brown, ocular tubercle black ;chelicera 1}?0Zi nin Salebu,g (Arachnologi sGecsheellschaft ), p.
proximally and ventrally orange, distal lbylackish 5 (abst rofaac ptoster presentation).
brown, fang black ;sternum, leg sand palps dark Ono, H., & R Schwendinger, l990. Liphistii dspiders
brown. Opisthosoma dark yellowish brown, dor- (Aranea eMe,sothelae) from central and eastern Thai-
sal sclerites darbkreor w;vne.ntral sclerites and spin- Schlwaenndd ,Biuntgle. rN,b Rt,n . 1S9c9i6 .,M Nuesw., Lfiopkhyios, tSieun s sAp,e c1i6es: 1(6A5-r1a7n4.eae,
nerets yellowish Mesothelae) from western and eastern Thailand. Zbo-
lariatio n.Body lengt hof the paratypes: logica Seript a2,5: l23-141.
15,2-17. m5m. A female paratype is much darker Song, D, X. & J. Haupt, 1984. Comparative morphology
than the holotype o;ther two female sare yellow- and phylogeny of liphistiomorp hspiders (Araneae:
ish. Mesothelae )2.. Revisio nof new Chines eheptathelid
Distributio n.Known only from the type lo- s4p5ec1i.esS.on gl,erh. narurwiss. len lllamburg ,(NF) ,27: 443-
tcahlei tdy.i sTthirsi breucotrdio r nainagnledi ocfa stp eitdsheers so uotfher tnhe s ulbifammiit- of Chi nDa.. X6.4, 0Z hpup,, M, ,p lSs, , &1- C4h, eHne, bJe.i , 1S9c9i9., 'Tlhee eShpnio dlPe,ur bsolf.
ly HeptatheHnae known at the present. House, Shijiazhuang.
Rernank s.Retreats (Fig s7,-8) of spiders
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