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<mods:title id="42F82433F4C4E2952F8F08DBF8D7FDD3">Isotomidae of Japan and the Asiatic part of Russia. I. Folsomia ' inoculata' group</mods:title>
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<mods:namePart id="B59A5C14D6D2971F38F13ED8BDB264E9">Potapov, Mikhail</mods:namePart>
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<mods:namePart id="73C1ABB6251C14AF6BDBFBA49286E5C8">Hasegawa, Motohiro</mods:namePart>
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<mods:namePart id="76DDCB6DA7D18D6A81202A34926FCCDB">Kuznetsova, Natalia</mods:namePart>
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<treatment id="3CAFED5F15DE9038A3459D10BF8ECB74" ID-GBIF-Taxon="143590396" LSID="urn:lsid:zoobank.org:act:695BD340-E77E-43FF-B561-05E42B1FE6B8" httpUri="http://treatment.plazi.org/id/3CAFED5F15DE9038A3459D10BF8ECB74" lastPageId="14" lastPageNumber="15" pageId="10" pageNumber="11" scope_family="Isotomidae">
<subSubSection id="19DC397E62AD2EC08E7F44A18107738F" pageId="10" pageNumber="11" type="nomenclature">
<paragraph id="E6761384AE16BDD581D85F2C6C8CB079" pageId="10" pageNumber="11">
<taxonomicName id="B3FFFDC249222E92BD855C214077C985" LSID="http://zoobank.org/695BD340-E77E-43FF-B561-05E42B1FE6B8" authority="Potapov &amp; Hasegawa" family="Isotomidae" genus="Folsomia" higherTaxonomySource="treatment-meta" kingdom="Animalia" lsidName="Folsomia imparis" order="Collembola" pageId="10" pageNumber="11" rank="species" species="imparis">Folsomia imparis Potapov &amp; Hasegawa</taxonomicName>
<taxonomicNameLabel id="9F45D082D95E774AF74A65A4F247074E" pageId="10" pageNumber="11">sp. n.</taxonomicNameLabel>
Figs 32, 40-46, 90
</paragraph>
</subSubSection>
<subSubSection id="667BDBE0138B87318D8D9E5F49520EAD" pageId="11" pageNumber="12" type="type material">
<paragraph id="2FA7BC38D26B72966A9C5A2BD3F78F85" pageId="11" pageNumber="12">
<pageBreakToken id="9F9FFF9F1FE669EB79ED106F8A68B4AB" pageId="11" pageNumber="12" start="start">Type</pageBreakToken>
material.
</paragraph>
<paragraph id="E84A9E5AE5C87CD2ED3E7E467F4F4E0F" pageId="11" pageNumber="12">
Holotype, female, Japan, Hokkaido Island, Shiretoko Peninsula, trail to Mont. Rausu, deciduous forest (
<taxonomicName id="E1783699E32320F622D8ED4BC045C93E" class="Magnoliopsida" family="Sapindaceae" genus="Acer" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Acer" order="Sapindales" pageId="11" pageNumber="12" phylum="Tracheophyta" rank="genus">Acer</taxonomicName>
,
<taxonomicName id="FD442ADBCC5AADFB5A7A943261246AF9" class="Magnoliopsida" family="Fagaceae" genus="Quercus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Quercus" order="Fagales" pageId="11" pageNumber="12" phylum="Tracheophyta" rank="genus">Quercus</taxonomicName>
,
<taxonomicName id="A7A227940CC65F0FFC51BBB02F705F74" class="Magnoliopsida" family="Rosaceae" genus="Sorbus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Sorbus" order="Rosales" pageId="11" pageNumber="12" phylum="Tracheophyta" rank="genus">Sorbus</taxonomicName>
,
<taxonomicName id="C91C85A826E42AEC04EE1776C431FCC1" class="Magnoliopsida" family="Magnoliaceae" genus="Magnolia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Magnolia" order="Magnoliales" pageId="11" pageNumber="12" phylum="Tracheophyta" rank="genus">Magnolia</taxonomicName>
,
<taxonomicName id="DBB86D505AA8B22C56C5F334967257E8" genus="Daphniphillum" lsidName="Daphniphillum macropodium" pageId="11" pageNumber="12" rank="species" species="macropodium">Daphniphillum macropodium</taxonomicName>
), litter, 19.viii.2016, 354 m alt.,
<geoCoordinate id="A412BC0A4AF2979C33A17B2CF1B9D89D" direction="north" orientation="latitude" precision="5" value="44.1083">44.1083°N</geoCoordinate>
,
<geoCoordinate id="9A03CD361A738C4785721483E626989A" direction="east" orientation="longitude" precision="5" value="145.0893">145.0893°E</geoCoordinate>
, coll. M. Potapov and N. Kuznetsova. Paratypes, 12 specimens from the same location; three specimens from Russia, Far East, S Primorye, Ussuriysky Reserve, Komarovskoye Forest District, Turova Nipple, Khripunovsky Pass, mixed forest with
<taxonomicName id="1FEA636B562250EE351AA586BD34508E" class="Pinopsida" family="Pinaceae" genus="Pinus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Pinus koraiensis" order="Pinales" pageId="11" pageNumber="12" phylum="Tracheophyta" rank="species" species="koraiensis">Pinus koraiensis</taxonomicName>
on slope, rotten wood, 22.vii.2016, coll. M. Potapov and N. Kuznetsova; four specimens from same region, but Shkotovsky District, trail to Mont. Khualaza, deciduous forest, rotten wood and litter, 21.vii.2016, coll. M. Potapov and N. Kuznetsova. The material from Japan and Russia is deposited in TPM and MSPU, respectively.
</paragraph>
</subSubSection>
<subSubSection id="E25076FD3D99D488161A95D1B5C46C80" lastPageId="12" lastPageNumber="13" pageId="11" pageNumber="12" type="materials_examined">
<paragraph id="B71925E83CED4F306989579C912DBDF7" pageId="11" pageNumber="12">Other material.</paragraph>
<paragraph id="131B4F17C586F3DBE39525EC9406D15C" pageId="11" pageNumber="12">
Far East of Russia, Primorsky Krai, Bikin River near confluence to Amba River, mixed forest litter, 29.ix.2009, coll. O. Smirnova; Ussuriyski District, Ussuriyski Reserve, decaying wood, 5.x.2004, coll. M. Potapov, L. Deharveng, R. Pomorski, and A. Bedos; Shkotovsky District, trail to Khualaza Mount, rotten wood, 21.vii.2016, coll. M. Potapov and N. Kuznetsova; Partizansky District, vicinities of Ekaterinovka, Chondalaz (= Lazovy) Range, oak litter, 26.ix.2004, coll. M. Potapov, L. Deharveng, R. Pomorski, and A. Bedos; Khasansky District, vicinities of Barabash, oak litter, 200-400 m alt., 27.ix.2004, coll. M. Potapov; Sakhalin, Kholmsky District, South Kamysh Ridge, Spamberg Mt., moss in mixed and coniferous forests, 14-15.vi.2017, coll. A. Kuprin; Korsakovsky District, vicinities of Korsakov, forest litter, 16.vi.2017, coll. A. Kuprin; Khabarovsky Krai, suburbs of Khabarovsk, Voronez highlands, leaf litter near river bank. 26.iv.2010, coll. M.Potapov; Verkhnebureinsky District, western part of Badjal Range, upper flow of Irungda River (tributory of
<normalizedToken id="D49B22740BCC9D0401F5E47F518637DD" originalValue="Amgun">Amgun'</normalizedToken>
River), 1900 m alt., subalpine litter and moss, 23.vi.2014, coll. A. Brinev.
</paragraph>
<paragraph id="82833702F03AADBAD166D8597839D0D3" pageId="11" pageNumber="12">North Korea. Hamgyong-namdo Province (= South Hamgyong), SW from Tanchon, 30.v.1987, coll. A. Szeptycki; Yanggang-do Province, Rimjong-su Waterfall, litter, 7.vii.1985, coll. A. Szeptycki.</paragraph>
<paragraph id="5949BF903D9A8630C9A94F3A63098EE4" pageId="12" pageNumber="13">
<pageBreakToken id="E611F4673668F53FDEE78CF8C29DEA93" pageId="12" pageNumber="13" start="start">Material</pageBreakToken>
of
<taxonomicName id="5938888F4F7D648358901742E980A48A" lsidName="F. imparis" pageId="12" pageNumber="13" rank="species" species="imparis">F. sp. aff. imparis</taxonomicName>
. Khabarovsky Krai (western part), Bureyskoye Reservoir, Nizny
<normalizedToken id="076F93A3FAD1B89DA218CC7933E77683" originalValue="Melgin">Mel'gin</normalizedToken>
Bay,
<geoCoordinate id="A352A508D33B00864C9CDBA989A44436" direction="north" orientation="latitude" precision="5" value="50.5539">50.5539°N</geoCoordinate>
,
<geoCoordinate id="624232BA351B7A54BA86849395090AFC" direction="east" orientation="longitude" precision="5" value="131.397">131.3970°E</geoCoordinate>
, 12.ix.2009, coll. M. Babykina; Amurskaya Region, ~3 km N Zeya, oak litter, 22.viii.2014, coll. M. Potapov and N. Kuznetsova.
</paragraph>
</subSubSection>
<subSubSection id="0E9870ABEBD58ED8BD1CD399E4904587" pageId="13" pageNumber="14" type="diagnosis">
<paragraph id="0515086799563D4713CC3595BF03CF3C" pageId="13" pageNumber="14">
<pageBreakToken id="2FC4799F8E942BC42A2A8BB33C5D93F3" pageId="13" pageNumber="14" start="start">Diagnosis</pageBreakToken>
.
</paragraph>
<paragraph id="15D91EAABE07342FAB0CAD5F6CEA5EB9" pageId="13" pageNumber="14">
Blind. Dorsal macrosetae (Md) present on both Th.II and Th.III. Sensillary formula complete (43/22235; 10/100). Medial s-setae on body tergites long, set in p-row. Ventral setae on Th.III present. Manubrium on anterior side with 3
<normalizedToken id="3C00F618B3453DC33D5FEF4F41CF4EE4" originalValue="5+3">-5+3-</normalizedToken>
5 paired and 2-3 unpaired axial setae, dens with 23-27 anterior setae. Mucro bidentate.
</paragraph>
</subSubSection>
<subSubSection id="D60960BD5DC04208AE3FB11FB9CBFC3F" pageId="13" pageNumber="14" type="description">
<paragraph id="7AAD3DD800DF1A3577A11707DF0025C5" pageId="13" pageNumber="14">Description.</paragraph>
<paragraph id="C9095F022B71E46163EABA02BA684C26" pageId="13" pageNumber="14">
Body size from 0.9 to 1.4 mm. Body without pigmentation, its shape as in
<taxonomicName id="C0D07BDDE5CC02E8D826E4EF14AC6FEE" lsidName="F. amurica" pageId="13" pageNumber="14" rank="species" species="amurica">F. amurica</taxonomicName>
sp. n. Cuticle with fine hexagonal primary granulation (
<normalizedToken id="04518BE3B11CB74B54F82342BC20D314" originalValue="“smooth”">&quot;smooth&quot;</normalizedToken>
). Ocelli absent. PAO slender, constricted, 1.4-1.7 as long as width of Ant.I and 1.7-1.9 as long as inner unguis length. Labium with five usual papillae (
<normalizedToken id="EF0C0653D6F54F3504799E7D042C08D0" originalValue="AE">A-E</normalizedToken>
), guard setae e7 absent, three proximal and four basomedian setae. Ventral side of a head with 4+4 postlabial setae. Ant.I with 15-17 common setae, two ventral s-setae (s) and three bms, one long (inseparable from common setae) and two short, Ant.II with three bms and one latero-distal s, Ant.III with one bms and with five distal s (including one lateral), without additional s-setae (Fig. 46). Several tubular s-setae on Ant.IV. Organite stick-like, small.
</paragraph>
<paragraph id="79A8343D81D60397F8CC0BF6FBDDF8ED" pageId="13" pageNumber="14">
Common setae long and sparse. Sensillary formula as 43/22235 (s), 10/100 (ms). Tergal s-setae thin and long. Medial s-setae on Th.
<normalizedToken id="AEA7A714EF239A7994469D70B32994AE" originalValue="IIAbd">II-Abd</normalizedToken>
.III situated in posterior position, on Abd.
<normalizedToken id="D2DB99BB22C6494E68EED0A85DFD4B35" originalValue="IIII">I-III</normalizedToken>
between Md and Mdl. Abd.V with five s-setae arranged as four ones (as, accp1, accp2, accp3), long and slender, and one latero-ventral, short (
<normalizedToken id="2DF968E4B49651720AA0BA180A586F1B" originalValue="4+1">'4+1'</normalizedToken>
pattern) (Figs 32, 40), accp3 s-setae almost as long as accp2 (accp2: accp3 = 1.0-1.2). p1-setae on Abd.V short (see also the Discussion and Table 2). Macrosetae smooth and long, 2,2/3,3,3 in number, medial ones on Abd.V 1.5-2.0 times shorter than dens and 4.8-7.7 times longer than mucro. Metathorax with 3+3 (rarely, 4+3) ventral setae, as in
<taxonomicName id="03191BC4CE72DB4E5F3A3FC5CAB27DA2" lsidName="F. amurica" pageId="13" pageNumber="14" rank="species" species="amurica">F. amurica</taxonomicName>
sp. n.
</paragraph>
<paragraph id="02DE7BD92810B4BD5955E67F75B6C6C8" pageId="13" pageNumber="14">
<taxonomicName id="62AC9CE34F1368080178C5C4654AF042" genus="Unguis" lsidName="Unguis" pageId="13" pageNumber="14" rank="genus">Unguis</taxonomicName>
of normal shape, without lateral and inner teeth. Empodial appendage as long as 0.4-0.5 unguis. Tibiotarsi with 26-28 setae on legs
<normalizedToken id="7F92837D9AC7510D712EE0E5109F19B4" originalValue="III">I-II</normalizedToken>
and 33-37 on leg III. Upper and lower subcoxae of legs
<normalizedToken id="FBAB236135E353F41652E92DDB18802E" originalValue="IIII">I-III</normalizedToken>
with 0,1/3,~7/5
<normalizedToken id="2B4F7ABE34BBEC49900FA0017E51F50C" originalValue="6,7">-6,7-</normalizedToken>
8 setae, respectively. Coxae of leg I with three front setae. Tibiotarsal tenent setae pointed, some setae on distal half of tibiotarsi thickened. Ventral tube with 4+4 latero-distal and seven posterior setae (four in distal transversal row and three in more proximal position), anteriorly without setae. Tenaculum with 4+4 teeth and a seta. Anterior furcal subcoxae with 10-12, posterior one with five setae. Anterior side of manubrium with 3
<normalizedToken id="F62C4BF491E62EB16724B5BAE621076B" originalValue="5+3">-5+3-</normalizedToken>
5 pair setae, and 2-3 (rarely one) axial unpaired setae (Figs 43-45). Posterior side of manubrium with 4+4 latero-basal, two apical setae (ap), 3+3 setae in distal transversal row (M1, ml1, L1), two pairs of lateral setae, and 3
<normalizedToken id="28764CE15593551B834F8E8D3C0CBCFB" originalValue="4+3">-4+3-</normalizedToken>
4 in central part (Fig. 41). Dens with 23-27 anterior setae (Figs 41, 42). Posterior side of dens crenulated and with six normal setae (four basal and two at the middle) and one rudimentary seta at the base of mucro. Mucro bidentate. Ratio of manubrium: dens: mucro = 5.2-6.6: 9.4-11.7: 1. Males present.
</paragraph>
<caption id="CBEC3F822AD332175498D09B42C43070" pageId="13" pageNumber="14">
<paragraph id="AF546F7F1D92A323062530954F38F397" pageId="13" pageNumber="14">
Figures 40-49.
<taxonomicName id="29405FAE373ABB85C47495A9965C5365" lsidName="F. imparis" pageId="13" pageNumber="14" rank="species" species="imparis">F. imparis</taxonomicName>
sp. n. (40-46) and
<taxonomicName id="7463233BC02F114999319E79BF318DD4" lsidName="F. macrochaetosa" pageId="13" pageNumber="14" rank="species" species="macrochaetosa">F. macrochaetosa</taxonomicName>
(47-49) 46 End of abdomen, lateral view 41 Furca, lateral view (unpaired setae marked with grey) 42 Anterior side of dens 43-45 Chaetotaxy of anterior side of furca, variations 46Ant.III 47 End of abdomen 48 Furca, anterior view 49 Dens, posterior view. Notation of setae of posterior and lateral sides of manubrium: ap, M1, ml1, L1, l1, l2;
<normalizedToken id="55FC32DFAD1C558F975717DF17FCAF5B" originalValue="LBlatero-basal">LB-latero-basal</normalizedToken>
setae,
<normalizedToken id="9E1A967AFE74DA57E79FA1C13326209E" originalValue="Csetae">C-setae</normalizedToken>
of central area.
</paragraph>
</caption>
</subSubSection>
<subSubSection id="F7FDE3711BA53FC8BFAE00FCC8E82D75" lastPageId="14" lastPageNumber="15" pageId="13" pageNumber="14" type="remarks">
<paragraph id="5353E8B9015F30280F063CF7A93C73DA" pageId="13" pageNumber="14">Remarks.</paragraph>
<paragraph id="CC86E94C360CB2CF7087E3D71D1B64F6" pageId="13" pageNumber="14">
<taxonomicName id="9EC9171DD10E88076E931219F6CB9D9B" class="Collembola" family="Isotomidae" genus="Folsomia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Folsomia imparis" order="Entomobryomorpha" pageId="13" pageNumber="14" phylum="Arthropoda" rank="species" species="imparis">Folsomia imparis</taxonomicName>
sp. n. is well defined by the presence of unpaired setae on anterior side of manubrium shared only with
<taxonomicName id="CAA487FEF54F63919E0DC716F7E3A3B5" lsidName="F. hidakana" pageId="13" pageNumber="14" rank="species" species="hidakana">F. hidakana</taxonomicName>
(belongs to another subgroup) and
<taxonomicName id="A725374F070BB7BBF9B0FD19496E6775" lsidName="F. setifrontalis" pageId="13" pageNumber="14" rank="species" species="setifrontalis">F. setifrontalis</taxonomicName>
(has anterior setae on ventral tube). Main differences from the other species of the subgroup '
<taxonomicName id="F84AEE79743AC4683CF43F5A9929B0EB" lsidName="macrochaetosa" pageId="13" pageNumber="14" rank="species" species="macrochaetosa">macrochaetosa</taxonomicName>
' are shown in Table 2.
</paragraph>
<paragraph id="6B1DF805360AB896E3D4D65001B39063" pageId="13" pageNumber="14">A typical form, called preliminary as f. 1 (Fig. 32) has short p1-setae on Abd.I. In Japan and Primorsky Krai we often recorded specimens with long p1, as long as a1 (f. 2 in Table 2) which was not mixed with f. 1 by samples even if reported in the same areas.</paragraph>
<paragraph id="AC3B9AFF801FDD3721470B13BE724B98" pageId="14" pageNumber="15">
<pageBreakToken id="729D98598C17AB1AA3AFDF98CF6800F6" pageId="14" pageNumber="15" start="start">Additionally</pageBreakToken>
, a closely related form was also recorded in two more eastern localities (see the Material part,
<taxonomicName id="D33D34BEEA941644FDDA2D89E404A1F8" lsidName="F. imparis" pageId="14" pageNumber="15" rank="species" species="imparis">F. sp. aff. imparis</taxonomicName>
). It differs from all species listed in Table 2 having much more setae on body tergites: particularly, posterior row of Abd.IV has seven (vs. 3-4) p-setae between medial s-setae. The final decision on the status of these polychaetotic specimens was not made by us and calls for more information on their ecology and distribution.
</paragraph>
</subSubSection>
<subSubSection id="00062CA6A97F7CCEB0062D2CA5C7C0DE" pageId="14" pageNumber="15" type="distribution">
<paragraph id="80121D744508C21131B0DBB412940620" pageId="14" pageNumber="15">Distribution and ecology.</paragraph>
<paragraph id="8E11942F438219EC2510183E462B59D9" pageId="14" pageNumber="15">
The species is widely distributed in Far East of Russia, Korea and in the most northern part of Japan (Fig. 90). We suppose some records of
<taxonomicName id="65EB2575DE008EABE3BE270274593093" lsidName="F. fimetaria" pageId="14" pageNumber="15" rank="species" species="fimetaria">F. fimetaria</taxonomicName>
in Hokkaido refer to this species.
<taxonomicName id="23BFF13F3D752E64924758FB3390548A" lsidName="F. imparis" pageId="14" pageNumber="15" rank="species" species="imparis">F. imparis</taxonomicName>
sp. n. is rather common in different forest litter, often in rotten wood.
</paragraph>
</subSubSection>
<subSubSection id="1A9256F7642C34226F045E918CB0BEC5" pageId="14" pageNumber="15" type="etymology">
<paragraph id="0102EE9D215FBDFFA028B366E1CAC817" pageId="14" pageNumber="15">Derivatio nominis.</paragraph>
<paragraph id="D8F74A3B8339F357C6B09FEAE7A64391" pageId="14" pageNumber="15">The species has unpaired setae on anterior side of manubrium.</paragraph>
</subSubSection>
</treatment>
</document>