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Title
タイ国の寄生虫相 : 4.タイ国産恙虫の5新種
Author(s)
鈴木, 博
Citation
熱帯医学 Tropical medicine 22(2). p75-87, 1980
Issue Date
1980-06-30
URL
http://hdl.handle.net/10069/4276
Right
This document is downloaded at: 2014-11-12T23:26:12Z
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TropicalMedicine’22（2），75−87，June，1980 75
Studies
on the parasite
fauna of Thailand
4. Five new species of trombiculid
(Prostigmata
: Trombiculidae)
Hiroshi
mites
found in Thailand
SUZUKI
／，−ソ，‘げ／川川／・イ卜ナナ．√ん、く．＼・▼ノ′J∫／山／／りiげ．ハ．り／心‘J卜、J−．（／J−／Jけ▼
Ⅳαg（之s（之ゑf⊂玩才oβnわ・，Ⅳαgαsαゑ才，852ムゆαn
（Director：ProfiKaoru HAYASHI）
Abstract : Reporting
here is the description
about five new species of Trombiculid
mites
collected
in Thailand.
They were collected
as unengorged larva by Tullgren
apparatus
from soils which were suspected to have nest-tunnels
of the field rat.
IMTR0DUCTIOM
InJuly and August of1978 and February1979，a SurVey On eCtOParasites from
Smallmammals WaS COnducted as a part of、、Phy10genic and Taxonomic Studies on
Parasitesin
Southeast
Asia′′sponsored
by
Oversea′s
Research
Grant
Mo。304105（1978），
Ministry of Education，Science and Cu1ture ofJapan（Leader，Prof．MasashiOHBA−
YASHI）．
Specimens collectedin the survey Were C1asSifiedinto fleas，1ice，ticks，trOmbi−
Culid mites and other mites．A report on other mites has heen a1ready made by
Uchikawa and Suzuki（1980），althoughthe studies are to be continued．
The fo1loWings are the descriptlOn as tO the five neW SPeCies of Trombiculid
mites collectedin the above survey．
1侮Ichia（Rゆia申ichia）khunyingiSuzuKI，n・SP．，Fig．1（A−G）・
Diagn0sis QfLarVa：This neW SpeCies carries the scutum resembling to that of W．
（R．）hayashiiSuzuKI，1979 butit has the palpalformula of B／B／BMN Whichis
different from that of hayashii；M／M／MMM．It also resemb1es to W．（R・）Simu−
lata of palpalformula of M／M／BMM and palpa1femur and palpalgenu；the neWis
branched and the otheris not．
DeSCrゆti0n Qf H0l0り少eLarVa‥White body c0lor asin a1ive．130FLm10ng and120fLm
Contribution Mo．1，001from theInstiture for TrOPica1Medicine，MagasakiUniversity．
Recieved for Publication0n April19，198O
76
C
丁
B
ヽ
U
ヽl
A
⊆ご
J
∃
l、、
」
−（れ）
うq（／
†h・
…l
ゥ′ ＿タ′
（／ユ）ごIミ．
）プ
ニ．
ご′・．
華
㌔
：，
庖賊・・・ニ
．I．、、｝、∼ミ
’＼＿＿J（バ）
T
ト画」
卜、
I
、主、．≒∴
一軍＝
．＿−＿＿＿一＿．
／忘
（ヾ）一！＝
E
（㌔払）町￣。
2ち〟−−−
Ⅰ
I−．i−．一∴￣．
D
2㍉／−−−
／
Ⅲ／「
Fig．1・l侮Ichia（R≠〆a＊ichia）khunyingiSuzukin・sp．
A．unengorged1arva，1eftventral，right dorsal；B．gnathosome，dorsal；C．gnathosome，
ventral；D．scutum；E．coxaIII；F−humera1seta；G．1egwith specializedsetae・
77
wide．Mo eyes．
Gnath0s0me：Palpotarsalpilous formula：5B・Pa1palformula：B／B／BMM．Three（3）
PrOnged palpotibialclaW． Mude galealsetae． Che1icera bearlng a rOW Of5short
teeth behind tricusped cup．
Scutum：Large ha1f circle having roundness at rear pOrtion・ Larger standard meaL
surement values compar1ng tO that of hayashii．Pyriformed sensilla with smooth basal
r00t and sharp setaonSurface ofglobalpart・Same30FLm1ength of aland pl，and
no am seta− Standard measurement are shoWnin Tablel．
Tablel．Standard measurementsof WdChia（Rゆia4，iChia）khunyingin．sp．（inmicra）
AW PW SB AP ASB PSB SD am a1 pl s AS PS pp−SS pp hm dsp
Holotype 47 68 37 28 18 43 61 − 30 30 38 15 18 ＋12 35 35 27
Paratype 45 68 35 28 18 43 61 − 30 30 38 15 20 ＋10 35 33 25
B0あ・Setae：Dorsalsetae resembling scutalsetae，tOta124in number，arranged2−6＿6＿
6．2−2．Ventra1setae 28，2pairs0f sternalsetae．
LqgS：Leg h 7＿segmented；1eg Ⅱ and Ⅲ，6＿Semented，COXa1setael−1，1；Seta
Of coxaIsituatedin middle of coxa．Leg h180FLm10nglength of tarsus40
flm；1genuala，1microspur，1pretarsala．LegI：140FLmlong，1ength of tarsus
33FLm；1tibiala，1tibialspur， tarSalspur’microspur．Leg Ⅲ：160fLmlong，
length of tarsus38pm；1femorala−1ike seta．
Materialstudied：A specimen collected on22nd and another on23rd of Feb．1979at
DoiInthanon，2，400m elevation of northern Thai1and・
H0l0tyPe：TA−17−1．DoiInthanon，Thailand1979．2・22
飯raり少e：TA−17−2．DoiInthanon，Thailand1979．2・23
N0te：The speciesis dedicated to Dr．Khunying TRAMAKCHIT HARIMAsTA，Deputy
Dean of the Faculty ofTropicalMedicine，MahidOIUniversity．
I侮IChia（Wdlchia）suVのraiSUzUKIn．sp・，Fig．2（A−G）
Diagn0siS qfLarVa：Thisnewspecies resemblesto W．（W．）m0r0bensis（Gunther，19−
39）butisidentified different fromthatin points Of2pair of humeralsetae，mOre
number of dorsalsetae，undeve10pedshortpalpa1femurand geun，longer and s1ender
scutum，andlonger SD．Italsoresemblestoother species of genus wdlChia，besides
m0r0bensis，Of w．（W・）s0riCiC0la（Traub andEvans，1957）and W．（w−）traubauあi
（Madchatram’1970）・The
tWO
and
theneWSPeCieshavepIseta
atinWard
of
scutum，
but the former hascharacteristicallylongalsetae（60FLm）andis easi1yidentified from
the new speciesin shapeof SCutum・ The1atter has fusiformed sensil1a and same
intervallength
of
alandpl’Whichare
different
fromthose
of
the
new
species．
Descr畔ti0n q′H0l0tyPe Larva：White bodycolorasin alive；140FLmlong andll0FLm
78
C
、．、モー
′B
一、二．＿∴II
、
8 ′
f．二∴l．
＼＼
繭
1
しr
2ラ〟m
D
2むノm
F
￣＼J
N
蓼矛沢 ′顧
E
2も∠／m
声■−＼
慮
毎感
Ⅰ
電
攣〔⊥ 5頓ノm
Ⅱ
21∠／m
＝ ′ 三
Fig．2・I侮Ichia（wαlchia）suVq7raiSuzukinisP．
A．unengorgedlarva，leftventral，right dorsa1；B．gnathosome，dorsal；C．gnathOSOme，
ventral；D．scutum；E．coxaIII；F．humeralseta；G．1egwithspecializedsetae．
79
wide．With eyes−
Gnath0s0me：Pa1potarsalfOrmula−4B・PalpalfOrmula：M／M／MMM．
Undeveloped short palpofemora1dorsalseta and palpogenualdorsalseta． 3pronged
pa1pOtibia1claWS． Mude galealseta． Smal1che1icera blade With weak subapical
tooth．
Scutum：Shield shape．ShalloWly concaved anterior margin betWeen aland pl。Sharp
POinted rear end．Sharp seta on surface ofgloba1shaped sensi11a．Longer AW than
PW．Standard measurements shoWnin Table2・
Tab1e2．Standard measurementsOf WdlCh室a（WalChia）suVqirain．sp．（in micra）
AW PW SB AP ASB PSB SD am al pl s AS PS pp−SS PP hm dsp
HolOtype 32 20 25 38 20 38 58 ＿ 28 25 25 13 23 ＋23 15 28 25
浩㌫崇0 3119 24 3619 36 55 − お 26 2714 23＋2316 28 26
Range 30．3315−2023＿25’33−3818＿2033−4053．58 −23−2825．2825−3013−1518−25＋18．2515．2028−3025￣28
B0あ′Setae：DOrSalsetae resembling scutalsetae，tOta132in number，arranged4−6−
6−6ー6−4−2．Ventralsetae46，2pairs ofsternalsetae．
LegS：LegI，7−segmented；1egIand Ⅲ，6＿Segmented；COXalsetael−1−1；seta
OfcoxaIsituatedin near part Ofanterior margin ofcoxa．
LegI：160pmlong，1ength oftarsus33FLm；2genuala，1microgenuala，1tibia1a，
1tibialspur，1microtibiala，1tarsalspur，1subtermina1a，1microspur，1pretarsala。
LegⅢ：130fLmlong’1ength0ftarsus28flm；1genuala，1tibiala，1tibialspur，1
tarSalspur，1microspur，1pretarsala。Leg Ⅱ：160FLmlong，1ength oftarsus35fLm；
1femorala−1ike seta，1genuala．
Materialstudied：2specimens co11ected on22nd and13specimens on23rd of Feb・1979
at DoiInthanon（elevation2，400m andl，700m）．
H0l0り少e：TA−19−1．DoiInthanon，Thai1and1979．2・23
Paraら少eS：TA−19−2ー13，same data aS holotype．
Mote：The SpeCieSis dedicatedtoDr．Suvajra VAJRASTHIRA，Head of Department of
Helminthology，Faculty of Tr℃PicalMedicine，MahidoIUniversity．
I侮IChiella（Ⅵ匂IChiella）harinaStaiSuzuKIn．sp・，Fig・3（AーG）
Diagn0sisqFLarVa：This neW SPeCiesis characterizedwith peculiar shapeofscutum and
a1sowith bump−1ike sWO11en basalposition Ofpl，COXa Ⅲsetae，3pairs ofthelst r℃w
Of dOrSa1seta，2pairs ofthe2nd roW，a Pair ofthe3rd rowandlO ventra1setae（See
Fig．3’A．D．E．）．Such
a
sWOl1en
featureis
also
found
at
a
pair
ofsternalsetae
and
coxa oflegsIand Ⅲ of W．（W．）amamienSiS SuzuKI，1976．
The SCutum Of the new speciesis almost rectangle and surrounding part of plat
POSterior marginis pronouncedly out0fedge and then curvedinside．Eyes are situated
80
C
ぅりノ
B
三．I．
．
，ペ
∴／
ン′ ＿
飛、
べ
忘ン￣＿
′
三・ぎ．≠
猟F
A
2む／l、l
D ￠
（レ′）＞
（′▲）．
華ミ（ミ農）
一−＿￣
こ＼ご
工．I．・う
￣戸′−
；ご・−ご．．．￣．ミ＿＿
モ竜
こ竜
o
二＝ニ（l）う＝正［等
ラq乙／m
G
．ヽ
Ⅰ
うq〟−−l
前＝
Ⅲ
華 ＿ 、 ．
E
2テルm
Fig・3．W雄hiella（W雄hieHa）harinastaiSuzukin−Sp・
A−unengOrgedlarva，1eftventral，rightd0rSal；B．gnathosome，dorsal；C．gnathosome，
ventral；D．scutum；E。COXaⅢ；F．humeralseta；G．1egwithspecializedsetae．
81
very cl0se tO pland eyes of2specimens arelooked asif they areinside of scutum．
Brennan repOrted（1968，1972）eyes of7l0mbiCula almae Brennan，1968，Pelt0Culus b0b−
biannae Brennan，1972and HQh玩annina reediBrennan，1972foundinward of scutum
saying”Eyes
are
anintegralpart
ofscutum”．Therefore，this
species
should
easily
be
identified from other species ofgenusⅥ屯IChiella because ofits peculiar form・
DesCr少ti0n Qf、H0l0tyPe LarVa：White body color asin alive，150iLm10ng and140FLm
wide．Eyeslocated close to pl．
Gnath0s0me：Palpotarsalpilous formu1a：7B．Palpalformula：M／M／MMM．3pronged
Palpotibialc1aWs・Ga1ealSeta having alongthinbrench．
SCutum：Widerectangular shape；plarea projecting out and edge of posterior marg1n
COrVedinward．Eyes of2specimens appeared to beinside ofscutum．Fusiformed sen−
silla with roughspines at basa1position．Swollen basalposition of plwith shorts seta
Which differ fr0m those of am and al．Standard measurements shownin Table3．
Tab1e3．Standard mesurements of wdChiella（Wdlchiella）harinastain．sp．（in micra）
AW PW SB AP ASB PSB SD am al p1 s AS PS pp．ss pp hm dsp
Ho10type 55 73 30 23 23 20 43 33 28 48
50 25 23 0 15 48 48
Mean of 2
paratypes
50 25 20 0 16 49 48
51 7。 32 24 24 19 43 33 25 48
Ra帽e 53＿5570−7330一刀23−諮23．お18−20 43 3325一指45．∽
50 2520＿23 015−1848−50 48
B0あSetae：Astothedorsalset
seta，rightendofthelst，2nd
Contrarily，sharpandshortse
palrSOfthe2ndroWandapairoft
numberofsetais24arrangedin2
Astotheventralseta，SWO11en
analregionandapairbetWeenⅢ
（seta．）：Swollenbasearer
LegS
1；andatsetaofcoxaⅢ。LegI：
1microgenua1a，1tibiala，1t
parasubterminala，1tarsalsp
40FLm；1genuala，1tibiala，
tarsala・LegⅢ：210FLmlong，
Materialstudied：MakonMayok
H0lot340e：TA−1−1．NakonM
ydraWes：TA−1−2，TA−1−3
N0te：Thespeciesisdedicated
82
0fTropica1Medicine，MahidoIUniversity．
L申t0tr0mbidium（7h）mbiCulindus）santasiriiSuzukin．SP．，Fig・4（A−G）．
Diagn0sisqfLarVa：Trombiculid mites ofGenusL申t0tr0mbidium and Sub−genus7ケ0m−
biculindus are commonly distributedin Southeast Asia and are characteriZed by fo1iated
body seta．A11previous studies（Traub etal，1951；Womersley，1952；Jameson etal，
1953，Traub etal，1967，1968）repOrtedthose mitescarry foliated shapeinpl，humeral
setaand dorsalseta（except arightend pairofthelst，2nd，3rdand4throWSOfdorsal
setaofL。（T．）maXWelliTrauband Madchatram，1967，Whichisnot f01iated butthread
shape）．
This new species，however，has thickthread shape of pl．humeralseta and a
right end pair ofthelst row of dorsa1seta（see Fig．4，A，Gand F）．Therefore，this
speciesis easilyidentifiedfrom other species ofsubーgenuS7l0mbiCulindus．
DesCr少ti0n q／H0loty？e LarVa：White body c0lor asin alive；200fLmlong and160fLm
Wide．Eyes situated close to p1．
Gnath0s0me：Palpotarsa1pi10uS formula−7B。Pa1palformula−M／M／BMB．3pronged
palpotibialclow and branched galealseta．
SCutum：Rectanglar shape，shal10WlycOnCaVed anterior margin between als．Short dis−
tance（15pm）between a1s and pls・Thickamwith sharp ortshlateralbranch・Pl，nOt
fOliatedlike other species of sub−genuS 7ナ0mbiCulindus，reSembling to a1s and having
manylatera1branches．Sensilla havingl／30f shortlateralbranch and2／30f thinlaト
eralbranch．Standard measurements shOWnin Table4。
Table4．Standarq measurements ofL坤t0trOmbidium（7l0mbiculindus）santaSiriin．sp・（in micra）
AW PW SB AP ASB PSB SD am al pl S AS PS pp．ss pp lm dsp
Ho1OtyPe 58 75 33 15 30 18 48 73 35 70 85 28 25 −10 28 65 50
B0あ・Setae：A palr Of humeralsetae and right end of thelst row of dorsalsetae are
in
thread
shape，nOt
fo1iated．28in
t0talnumber
arranging2＿8−6−6＿4−2。30ven−
tralseta with2palrS Of sternalseta．
LegS：LegI，IIandIII，7＿Segmented，COXalsetael−1−1；seta0f
in
near
part
of
anterior
margln0f
coxaIIIsituated
coxa．LegIニ220Flmlong，1engthoftarsus45fLm；
2genualae，1micr℃genuala，2tibialspurs，1microtibiala，1pertarsala，1subterminala，
1parasubterminala，1tarsalspur，1microtarsala．LegII：210long，1ength Oftarsus
38iLm；1genuala，1tibiala，1tibia1spur，1parasubterminala，1tarsalspur・LegIII：
240FLm10ng，1ength of tarsus55pm；1genua1a，1tibia1a．
H0l0り少e：TA−12．DoiInthanon，Thai1and（elevation2，400m），22Feb，1979．
N0te：The speciesis dedicated tO Dr．SantasiriSORMMAMI，Head of Department of
TropicalMedicine，Faculty of TropicalMediine，MahidoIUniversity・
83
D
．．．一．・．・ン
ゝ
∫ニJ
ノ
＼ ノ
F．、、（1）
S
■＿
＼ 卜L＿、t／（ノ
＼
（′）＼＼＼＼uノ
ヱう．J／11l
手、ェ∴．了．∴（くt￣）坪
）＼
二号JIIl
／ノ ’＼＼、
IP∋頂
G
L
、、＼ ノ
、、■
／／
／
E
「／へr「
H
ラ（．レーIl
「 、＿＿、＿＿＿＿、
＼⊥⊥、
Ⅲ
〉
ノ
＼＿〉一′−− 、＿く
▼＿＿＿1二二嘩，
Fig．4．Lqt，t0tr0mbidium（7ケ0mbiculindus）santasiriiSuzukin．sp．
A・unengOrged1arva，1eftventral，rightdorsal；B− gnathosome，dorsa1；C．gnathosome，
Ventra1；D．scutum；E．coxaIII；F−humeralseta；G．1egWith specialiZedsetae．
84
＿も
丁
j
」
うq呵
i覧
（l良、）
lき
…ミ子．．I‡士
2ラ〟−、、
四。e盛運（A）
．＿＿ダ（J）
（’＼）．
蓼
B
屈
姐
主＿，I
＼
／／「
D
ヾ
ノノ
F
＼．
，■・（ー）
＼■
＼．
〉 ＼
・＼
ラ帥m ＼0
罰ルⅠ−−
2わー−1
（弼）両完
／
．■
Ⅰ
．、
ト−一
ノ
（＿
色．
n
E
熟
G
ー
ニi、
Ⅲ 、
Fig．5．Lqt，tOtTOmbidium（7h8mbicuzinduS）man00niSuZukin．sp．
A．unengorged1arva，1eftventral，right dorsal；B．gnathosOme，dorsal；C．gnath0sOme，
＿＿＿
）
ventral；D−sCutum；E．coxaIII；F．humeralseta；G・1egwith SpeCia1izedsetae．
／「2レm
85
L申t0tr0mbidium（7ケ0mbiCulindus）man00niSuZuki，n．SP．，Fig．5（A−G）
Diagn0sis QfLarva：ThiS SpeCies resembles to L．（T．）imbricutum，but differS from
thatin palpalfOrmula of M／M／BMB（M／M／BMM forimbricutum）・Short and Wide
p1and dOrSalsetae；longer aland coxIIIseta．
Descr畔ti0n QF H0l0tyPe Larva：White body color asin alive；180FLmlong and150FLm
wide．Eyes；2＋2．
Gnath0s0me：Pa1potarsalpilous
formula＿7B．Pa1palformula−M／M／BMM・3pronged
palpotibia1claW．Branched ga1ealseta．
SCutum：Deeply concaved anterior margin・Als and pIs10Catedinside of scutum・Sen−
Silla having short spinesnearbasa1position，SmOOthmiddlearea andlong1atera1branch−
esnearthe apex．Wide plof63Ⅹ28FLm．StandardmeasurementsshOWnin Tab1e5．
Table5．Standardmesurementsof L申t0trOmbtdium（7ケ0mbiCulindus）man00nin。SP．（in micra）
AW PW SB AP ASB PSB SD am a1 p1 S AS PS pp−SS pP lm dsp
Ho10tyPe 75 88 45 15 38 18 56 68 38 60 85 33 25 −15 30 63 53
Mean Ofl0
74 86 45 17 35 17 52 69 27 63 8。 33 25 ＿15 31 62 54
paT、atypeS
Range 73J7585−8843．4815＿1833−3815−1850．5665＿7033−3858−6875＿8530−3825−2713−1530−3363・6553＿60
B0あSetae：28in totalresemblingto pls，arranglng2＿8−6−6−4−2．24ventralseta
with2palrS Of sternalseta．
Legs：LegI，ⅠIandIII，7−Segmented，COXalsetae1ー1ー1；COXaIIIsetae60fLm10ng・
LegI：240Femlong，1engthoftarsus48fLm；2genualae，1microgenuala，2tibialae，
1microtibiala，1pretarsa1a，1subterminala，1parasubtermina1a，1tarsalspur，1mi−
CrOtarSa1a．LegII：220FLmlong，1ength oftarsus38FLm；1genua1a，2tibialae，1par−
asubterminala，1tarsalspur，1microtarsa1a．LegIII＝250fLm10ng，1ength
of
tarsus
50FLm；1genuala，1tibia1a・
Materialstudied：TA−19＿2＿1−26，DoiInthanon，Thailand（elevationl，700m）．1979．2・
23，26specimens。TA−20−1，DoiInthanon，Thailand（e1evationl，700m），1979．2．24．
H0l0り少e：TA−19−2−1，DoiInthanon，Thailand，1979．2．23．
Paraり少eS：TA＿19−2−2＿TA−19−2−22，DoiInthan0n，Thailand，1979．2．23．
N0ie：The
speciesis
dedicated
to
Dr・Manoon
BHAIBULAYA，Department
of
Hel＿
minthology，Faculty of TropicalMedicine，Mehido1University．Holotypesandparatypes
Wi11be
depositedin
the
MationalScience
Museum’Tokyo，Japan
and
s0me
ParatypeS
wil1be depositedin collections of the author・
AcKNOwLEDGMENT
The author Wish to express sincere appreciation to Prof．Chamlong HARIMA−
sUTA，Dean of the Faculty of TropICalMedicine，MahidOIUniv．，Dr．Khuny1ng
86
TRANAKCHIT HARINASUTA, Dr. Suvajra VAJRASIHIRA, Dr. Santasiri SORNMANI and
Dr. Manoon BHAIBULAYA, the Faculty of Tropical Medicine, Mahidol University for
valuable asistance in performing this survey in Thailand, and also to Prof. Masashi
OHBAYASHI, Dr･ Masao KAMIYA and Dr. Haruo KAMIYA, Department of Parasitοlogy, Faculty of Veterinary Medicine, Hokkaido University for giving the author
opportunity of the survey and helping collection in Thailand. Gratitude also extend to
Dr. Hisashi ABE, Department οf Applied Zoology, Faculty οf Agriculture, Hokkaido
univ. for collecting and identifying small mammals in the survey.
REFERENCES
1) Audy, J. R. (1954) : Malaysian Parasites, 9. Notes on taxonomy of Trombiculid mites. Stud.
Inst.
Mes.
Res… Malaya,
26
:
123-170.
2) Audy, J. R. & Domrow, R. (1957) : Malaysian Parasites, 13. A revision of Oriental and
Australasian species of Euschongastia Ewing, including Walchiella Fuller, and description of a new
abgenus, Derrickiella, (Acarina : Trombiculidae). Stud. Inst. Med. Res. Malaya, 28 : 121152.
3)
Brennan,
J.
M.
southwestern
(1968)
:
Colombia…
A
collect!｡n
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:
(Acarina
‥
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4) Brennan, J. M. (1972) : A new genus and two new species of Venezuelan chiggers with eyes in
the Scutam (Acarina : Trombiculidae). J. Med. Ent. 9(1) : 16-18
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W. 87(2) : 105-115.
6) Jameson, E. W. & Sasa, M. (1953) : Trombicula (Trombiculindus) kansai, a new chigger from
central Hοnahu, J. Parasitol. 39(3) : 247-249.
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Lakshana,
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with a redescription οf Leptotrombidium (L.) pelta (Womersley, 1952) (Acarina : Trοmbiculidae).
J. Med. Ent. 3(1) : 61-77.
9) Nadchatram, M. & Lakshana, P. (1965) : Two new Schoengastiine chiggers from Thailand
(Acarina
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329…334.
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New
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7(1)
:
1-29.
ll) Suzuki, H. (1975) : Reports of medico-zoological investigations in the Nansai Islands Part
Descriptions of two new species of Walchia from Southern Amami Island (prostigmata, Trombiculidae). Jap. J･ Exp. Med., 45(3) : 235-239
12)
Suzuki,
H.
(1976)
:
Reports
of
medico-zoological
investigations
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Nansei
Islands
Part
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six new species of chiggers from the Amami Island (Prostigmata : Trombiculidae). Jap. J. Samt.
zool. 27(3) : 271-282. (in Japanese with English summary)
13) Suzuki, H. (1979) : A new species of Trombiculid mite collected in Danjo Islands, Nagasaki
1
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prefecture, Japan (Prostigmata : Trombiculidae). Trop. Med., 21(2) : 57-62
14) Traub, R. & Evans, T. M. (1951) : Two new species of Trombiculindus Radford from North
Burma (Acarina : Trombiculidae). Ann. Ent. Soc. Amer. 44(2) : 262-268.
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タイ国の寄生虫相
4.タイ国産恙虫の5新種
鈴木博（長崎大学熱帯医学研究所ウイルス学部門）
1978年度文部省海外学術調査(東南アジアを中心とする寄生虫の系統分類学的研究,代表者:
北海道大学獣医学部寄生虫病学教室,大林正士教授)の分担研究者として,タイ国の小哺乳類の
外部寄生虫相について調査した.(1978年,1979年)
この内,恙虫に関して以下の3属4亜属5種を新種と認め,それぞれ,Walchia (Ripiaspichia)
khunyingi n. sp., Walchia (Walchia) suvajrai n. sp., Walchiella (Walchiella) harinastai n.
sp., Leptotrombidium (Trombicuindus) santasirii n, sp., Leptotrombidium (Trombiculindus)
manooni n. sp.と命名し記載した.
これらの標本は,いづれも野鼠の巣坑道と思われる場所の土壌からTullgren装置を用いて,
未吸着幼虫で採集したものである.
熱帯医学第22巻 2号, 75-85頁, 1980年6月

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