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Edaphologia,No. 75:11-16,August 3l,2oo4 11
A New Specie sof 11egeocraneUus from a Marshy Ground
NativeHabenaria Japan (AcariO:ribatei)
with rndiata,
Tokuko FUJIKAWA
Aidai-Shuk"sha jl5, fokogawara 1375, Shigenobu-cho ,Ehime Pref, J79j-0203 ,Jbpan
Receive d:18 Jut y2003; Aceepted: 13 January 2004
Abstract A new species, Tlegeocranelt unsubatamae spec. nov, was collected from a marshy ground where
Habenaria radiata Sprengel grows naturally at Imabari city in Shikoku.
Key words: Hahenaria rudiata Sprengel ,marshy greund, New species, Shikoku ,Tbgeocranettus
Since a total of fiftee n species of the genus protrudings ,bearin gminute setae (c )and lyrifissurres
71egeocranel lBuesrlese ,1913 was reviewed by Behan- (ia ).Lenticulus semicircular in shape; notogastral
Pelleti eirn 1997 ,any member of this genus has never depressio nbsesid elenticulu sabsent. A total of twelve
recorded from Japan yet. pairs of dorsa lsetae, differe nitn lengt hand form; setae c
A new species of 7legeocranetlu swas found at a small and p-serie sdensel yand minutel ybarbed ,simi1ar in
marshy ground in Shikoku .The spot is known as one of length ;other setae dul lat tip, minutely sparsely rough-
a few places where Habenaria radiata Sprenge lgrows ened unilateralIy; setae hi and h? slightly shorter than the
naturally. rest except for c and p-series . Setae cp the longest,
reaching to the insertion sof e2. Lyrifissure sia short
71egeocranetlu snubatamae spec. nov, aligned at the inside of setae c; im long, aligned antero-
[Japane snaeme: Nubatamasasaradanil laterall yto setae eE,; ips aligned paralle lto latera lmargin
(Fig s1.-3) of notogaster; ip aligned longitudinall ybetween setae pi
and p?.
Measurements and color (n=3) :Body length, 336 Ventral region: Diarthr iscubcapitulum; infracapitural
(348) 357 ym; wide, 214 (224 )236 pm. Dark brown. setae, 1-1-1; setae smooth. Pedipalpal setae, O-2-1-3-
Body surface smooth and shiny. 9[1]. 6enital and anal apertures closely adjacent, almost
Prodorsum: Prodorsum like round, but with slightly equal in length. Genito-anal setae, 6-1-2-3; genito-anal
protmding tip according to depressed specimen. setae short, smooth; genital setae inserte dat the medial
Lamellae thickened, covering latera lparts of prodorsum; margin of plate ss;etae ad, postana ls;etae ad? and ad,
long cuspides without dent ,reaching beyond rostrum, inserte dat the leve lbetween an, and an2, anterior to
slightly converging but well separated. Rostral (ro), lyrifissure isad; iad very long, aligned paraanal, curving
lamella (rle a)nd interlamella r(in )setae short, dul lat tips; posteriorly .Pedotectum (Pd )I developed, trapezium; Pd
setae ro minutely but sparsely barbed thorough it slength; II smal1 triangular; Pd III rounded. Sternal depression
setae le sparsely roughened at the basal half ,originating (s tt)riangula r. Epimera lsetae, 2-1-2-3(4) ;epimeral
at the tip of lamella rcuspis; setae in densely barbed, setae smooth, variable in number and length s;etae 3a, 4a
shorter than half of setae te, originating on posterior and 4b almost equal in length ,longer than the rest; setae
surface of lamellae, Sensill ibearing short, thick barbs 4a and 4b inserte dcontiguously. Relative lengths of
unilaterally or thoroughly, with long, thin stalk and setae: 3a >m i7 h>a>gi ib>ag i7 ad>an,
fusiform or club-shaped head . Exobothridial setae Legs: Tarsi monodactyl; claws smooth. Chaetotaxy
reduced, Relative length ss,s > ro > le > in, includin gfamulus ,but excluding solenidia; I (1-5-2-4--
Notogaster :Hemisphere in shape, with smal1 humeral 18) .II (1-5-2415) .II I(2-3-1-3-1 5I)V, (1-2-2-3-
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Fig.1. Tlegeocranellusnzabatama espec. nov. A. Dorsal view;B. Podosomal region;C. Genito-ana lregion.Setae- restTal seta {ro),lamellar
seta (le )i,nterlamel sleatar (in )s,ensilli {ss )and dorsal setae (c and et}
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A new species of Tlegeocranellus !3
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Flg. 2. Tlegeocranellu nsubatamae spec. nov. A. Tarsus I; B. Tibia t; C. Genu te trochanter of leg I; D, Pediparpl ;E. Tarsus ll :F.Tibia
to femur of leg II.
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Ng. 3. 7legeocraneltus nuhatanvaespec. nov. A. Tarsus llI ;B, Tibia to femur of leg III;C. Trochanter sII and Ill ;D. TarsuslV;E. Tibia
IV; F. Genu to trochanter of leg IV; Setae-genit ailg) a,ggenital (ag} ,anal (an) ,adanal {ad) ,epimeral {lb nd 3a) and infracapitul asretae (a,
m, h).
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A new species of TlegeocraneUus 15
12). Solenidiotaxy;I(1-2- I2I )(,1-1-1 )II,I (1-1-O )IV, genus were reexamined: 1 ex. of slide 3013 ,2 exs. of slide
(O-1-O ).On tarsi I, famulus e inserted posterio rto 30/4. 4 exs. of slide 30/5 and 1 ex, of s]ide 184143 bearing
solenidion coi; tuJ anterior to cot ;coi, fp aJnd 6 bacilliform.the label "7legeocranus (71egeocrane lllaeuvsi)s" in the
Material examined: Holotype (NSMT-Ac ll703): Berlese Collectio n.The presen ntew species differ sfrom
Jaike, Imabari-shi ,Ehirne Prefecture ,September-6-2003, the type species (Fig 4.) by setae le originating at end of
T. Fejikawa, from soil of a marshy ground where plants, the lamellar cuspis, and absence of cavities and ridges
native Hdbenaria radiata Sprengel grow (abou t5,OOO posterolate rtoa llenticul uasn,d from any other congeners
mi); 2 paratypes (NSMT-Ac 11704 & 11705): the same by form, lengt hand locatio nof prodorsa lsetae, dorsal
data with the holotype. The'types are deposited in the setae and lyrifissures.
National Science Museum, Tokyo. Etymology: After nubatama, the Japanes ename for
Remarks: The fo11owin geight type specimens of the Belamcanda chinensis D. C, in ancient times (fro mthe
e >
'
Fig. 4. Type specirnens of 1legeocranettu lsaevi s(Berles e19,05) in the Berlese Collecti esnet;ae hardl yvisible. A. A par tof dorsal view on Slide
No. 30t4 {x6oo) ;B. Ventral view on Slide No. 3or5 (x3oo) C;. Left tibia I on Slide No, 3015 (xl,500 )D.; Right trochante rIV on Slide Ne.
301S (×1,5oo).
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4t bto the 8t hcenturies）． 摘 要
Acknowledgments 藤川徳子 （〒791−0203 愛媛県重信町横河原 1375−115＞：日本産ヌ
一 ．
バ タマ ダニ属の 新種
The author wishes to express her sincere thanks to Edaphologia No．75：11−16，2004．
Assist． Prof． Dr． Satoshi Yamaguchi of Ehime University 愛媛県今治市在のサギソウ自生地として知られる蛇池で採集し
一
givin gher helpful suggestions ， to Dr． F． Pegazzano and たヌバ タマ ダニ属 （新称）の 新種 Tegeocranellu snubatamae
． ． ．
Dr． R Nannell iof Istitu tsoperimentale per la Zoologia spec nov ヌハ タマ ササ ラタニ 噺 称し♪を記載した 名’称の 由米
Aofg rsapercii amoefn sFi，r eanndz，e IMtra． l yfKoarz tuhneoirr ai dNviackea maundra h eofl p Kbyyu lsohaun あそ（山るし本様て章艶に夫，々著沼と，かし且9てら7見採9年集え，るし恒．た和こ出の版サ，サラ萬ダ葉．．古τ1は今黒動っ植ぼ正く名，pま，9る0＞くに，
University and Prof． Dr． Yoshio Nakamura of Ehime
University for their help in sampling ． References
Behan−Pelletie， rV． M ．，1997， The semiaquatic genus Tegeocranellωs
（Acari：OribaIida：Amerono1hroidea）of north and central America．
The Cauad’an Ento〃tolo8ist ，129：537−577．
Berlese， A．，1905． Acari nuovi ， Material ipel《Manipulus V》，Redia，2：
231−238．
Berlese， A．，1913． Acari nuovi ． Manipo【i VI1−V皿 ， Redia，9：77−111，
Pls，1−8．
一
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