137 lines
11 KiB
XML
137 lines
11 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/zookeys.855.33000" ID-GBIF-Dataset="6b163814-ad13-4771-8190-852ad988ac00" ID-PMC="PMC6586687" ID-Pensoft-Pub="1313-2970-855-31" ID-PubMed="31244540" ID-ZBK="97EBB900648B4094A139A3098C2571DA" ModsDocAuthor="" ModsDocDate="2019" ModsDocID="1313-2970-855-31" ModsDocOrigin="ZooKeys 855" ModsDocTitle="Isotomidae of Japan and Asiatic part of Russia. II. The genus Tetracanthella of the Far East" checkinTime="1560464661527" checkinUser="pensoft" docAuthor="Potapov, Mikhail, Brinev, Alexey & Sun, Xin" docDate="2019" docId="C244280EDB9F7E8C57912905D1DA5054" docLanguage="en" docName="ZooKeys 855: 31-54" docOrigin="ZooKeys 855" docSource="http://dx.doi.org/10.3897/zookeys.855.33000" docTitle="Tetracanthella tardoki Potapov, Brinev & Sun, 2019, sp. nov." docType="treatment" docUuid="034F2534-C6F0-4F1B-B83E-AE022A1496C3" docUuidSource="ZooBank" docVersion="7" lastPageNumber="47" masterDocId="4E0BFFF1FFC8FFBAF76EFFD69F20FF9D" masterDocTitle="Isotomidae of Japan and Asiatic part of Russia. II. The genus Tetracanthella of the Far East" masterLastPageNumber="54" masterPageNumber="31" pageNumber="45" updateTime="1668167396274" updateUser="ExternalLinkService">
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<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:titleInfo>
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<mods:title>Isotomidae of Japan and Asiatic part of Russia. II. The genus Tetracanthella of the Far East</mods:title>
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</mods:titleInfo>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Potapov, Mikhail</mods:namePart>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Brinev, Alexey</mods:namePart>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Sun, Xin</mods:namePart>
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</mods:name>
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<mods:typeOfResource>text</mods:typeOfResource>
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<mods:relatedItem type="host">
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<mods:titleInfo>
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<mods:title>ZooKeys</mods:title>
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</mods:titleInfo>
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<mods:part>
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<mods:date>2019</mods:date>
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<mods:detail type="volume">
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<mods:number>855</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>31</mods:start>
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<mods:end>54</mods:end>
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</mods:extent>
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</mods:part>
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</mods:relatedItem>
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<mods:location>
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<mods:url>http://dx.doi.org/10.3897/zookeys.855.33000</mods:url>
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</mods:location>
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<mods:classification>journal article</mods:classification>
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<mods:identifier type="DOI">http://dx.doi.org/10.3897/zookeys.855.33000</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1313-2970-855-31</mods:identifier>
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<mods:identifier type="ZBK">97EBB900648B4094A139A3098C2571DA</mods:identifier>
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<mods:identifier type="ZooBank">97EBB900648B4094A139A3098C2571DA</mods:identifier>
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</mods:mods>
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<treatment ID-GBIF-Taxon="158217515" LSID="urn:lsid:zoobank.org:act:034F2534-C6F0-4F1B-B83E-AE022A1496C3" httpUri="http://treatment.plazi.org/id/C244280EDB9F7E8C57912905D1DA5054" lastPageId="16" lastPageNumber="47" pageId="14" pageNumber="45">
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<subSubSection pageId="14" pageNumber="45" type="nomenclature">
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<paragraph pageId="14" pageNumber="45">
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<taxonomicName LSID="http://zoobank.org/034F2534-C6F0-4F1B-B83E-AE022A1496C3" class="Collembola" family="Isotomidae" genus="Tetracanthella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Tetracanthella tardoki" order="Collembola" pageId="14" pageNumber="45" phylum="Arthropoda" rank="species" species="tardoki">Tetracanthella tardoki</taxonomicName>
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<taxonomicNameLabel pageId="14" pageNumber="45">sp. nov.</taxonomicNameLabel>
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Figs 4, 41, 42-45, 46, 55-56, 58
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</paragraph>
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</subSubSection>
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<subSubSection pageId="14" pageNumber="45" type="type material">
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<paragraph pageId="14" pageNumber="45">Type material.</paragraph>
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<paragraph pageId="14" pageNumber="45">Holotype: female, Russia, Far East, Khabarovsky Krai, Nanaisky district, ~40 km S road Khabarovsk-Sov.Gavan, Tardoki-Yani Mt., ~2050 m alt., tundra on top, 16-26.06.2017, leg. A.B. 19 paratypes from the same place and nearby, 1800-1900 m alt.</paragraph>
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</subSubSection>
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<subSubSection pageId="14" pageNumber="45" type="materials_examined">
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<paragraph pageId="14" pageNumber="45">Other material</paragraph>
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<paragraph pageId="14" pageNumber="45">(all from Tardoki-Yani Mt.): different open sites nearby type locality (moss and lichen on talus, mountain tundra, and mosses on rocks), 16-26.06.2017, leg. A.B.</paragraph>
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</subSubSection>
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<subSubSection pageId="14" pageNumber="45" type="diagnosis">
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<paragraph pageId="14" pageNumber="45">Diagnosis.</paragraph>
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<paragraph pageId="14" pageNumber="45">Coxa I without an external chaeta. Macrochaetotaxy: 3(W),3(W)/2,3,3. Retinaculum and furca absent.</paragraph>
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</subSubSection>
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<subSubSection lastPageId="16" lastPageNumber="47" pageId="14" pageNumber="45" type="description">
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<paragraph pageId="14" pageNumber="45">Description.</paragraph>
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<paragraph pageId="14" pageNumber="45">
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Body length 1.2-1.7 mm. Body slender, continuously narrowing (Fig. 41). Coloration dark, including antennae. Polygons large, canals between polygons well-marked. Smooth fields present on Abd.
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<normalizedToken originalValue="II–IV">II-IV</normalizedToken>
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(Fig. 56), often on Abd.I. Head (Fig. 55), Th.II and III sometimes with narrow smooth belts at posterior edge. Area between ASi sometimes with small field. Dorsal mesochaetae rather short, slightly shortened in axial part of tergites (Fig. 43), in posterior row of Abd. IV not longer than on other parts of body (Md: p1 = 5.7-7.8). Abd. IV with p3 much longer than p1 (p3: p1 = 3.4-4.5). Macrochaetae long and thick.
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</paragraph>
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<caption pageId="14" pageNumber="45">
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<paragraph pageId="14" pageNumber="45">
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Figures 40-41. Appearance and macrochaetotaxy of
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<taxonomicName lsidName="T. orientalis" pageId="14" pageNumber="45" rank="species" species="orientalis">T. orientalis</taxonomicName>
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(40) and
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<taxonomicName lsidName="T. tardoki" pageId="14" pageNumber="45" rank="species" species="tardoki">T. tardoki</taxonomicName>
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sp. nov. (41).
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</paragraph>
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</caption>
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<paragraph pageId="14" pageNumber="45">
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8+8 ocelli, G and H reduced. PAO 2.5-3.3 as long as the diameter of ocellus A. Chaeta
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<normalizedToken originalValue="s’">s'</normalizedToken>
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of ant.III in males present. Two prelabral chaetae. Outer maxillary lobe with three sublobal hairs and simple maxillary palp. Labium with three proximal and four basomedian chaetae, labial palp with reduced set of guards [A(1)B(3)C(0)D(3)E(4)] (Fig. 4): papillae B and D each lost one dorsal guard (b4 and d4, respectively), papilla E lost three guards (e7 and probably e5 and e3). Postlabial chaetae 3+3. With 4-5 (rarely three in smaller and juvenile individuals) chaetae between medial line and pc3 on head. Frontal chaeta ap absent.
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</paragraph>
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<paragraph lastPageId="15" lastPageNumber="46" pageId="14" pageNumber="45">
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Chaetotaxy scarce (Figs 42, 43). Axial chaetotaxy 10,8/4,4,4,4. Macrochaetotaxy: 3(W),3(W)/2,3,3. Mdl macrochaetae in p-row on Th. II and III. Number of s-chaetae:
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<pageBreakToken pageId="15" pageNumber="46" start="start">3,3</pageBreakToken>
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/2,2,2,2,4 (s), 1,0/1,0,0 (ms) (Fig. 46). S-chaetae short, medial ones on Abd.
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<normalizedToken originalValue="I–III">I-III</normalizedToken>
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arranged behind Mdl macrochaetae. Sternite of Th. III without chaeta.
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</paragraph>
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<caption pageId="15" pageNumber="46">
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<paragraph pageId="15" pageNumber="46">
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Figures 42-45.
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<taxonomicName class="Collembola" family="Isotomidae" genus="Tetracanthella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Tetracanthella tardoki" order="Entomobryomorpha" pageId="15" pageNumber="46" phylum="Arthropoda" rank="species" species="tardoki">Tetracanthella tardoki</taxonomicName>
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sp. nov. 42-43 dorsal chaetotaxy of thorax (42) and abdomen (43), dorsal view 44 tenacular, furcal and genital areas of female 45 distal part of leg 3. Abbreviations: fsc-a and
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<normalizedToken originalValue="fsc-p–anterior">fsc-p-anterior</normalizedToken>
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and posterior furcal subcoxae, man manubrial field, ta tenacular area.
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</paragraph>
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</caption>
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<paragraph pageId="15" pageNumber="46">Coxa I without an external chaeta. Tibiotarsi with 1,2,2 long and clavate dorsal tenent hairs and 3,3,1 enlarged ventral tenent hair (Fig. 45). Males with chaeta B5 and X on tibiotarsi III stick-like, thickened. Tibiotarsi I and II with 21 chaetae each, III with 22 chaetae. Claw without teeth. Empodial appendage very short, 0.15-0.20 as long as inner edge of claw (Fig. 45).</paragraph>
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<paragraph pageId="15" pageNumber="46">Ventral tube with 3+3 lateral and four posterior chaetae.</paragraph>
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<paragraph lastPageId="16" lastPageNumber="47" pageId="15" pageNumber="46">
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Retinaculum and furca absent. Retinacular field with 3-5 chaetae. Anterior furcal subcoxa with three (rarely two or four) chaetae, posterior one with four chaetae. Manubrial field normally with eight chaetae (Fig. 44). Anal spines parallel, large, on high papillae. Papillae of inner pair sclerotised. Medial mesochaetae (a1) of Abd. V anterior
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<pageBreakToken pageId="16" pageNumber="47" start="start">to</pageBreakToken>
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medial macrochaetae (a2) (Fig. 43). Arrangement of chaetae and spines on dorsum of Abd V as a2-a2/a1-a1 = 1.6-1.8; a2-a2/a2-eAS = 1.5-2.0 (Fig. 43). Males present.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="16" pageNumber="47" type="etymology">
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<paragraph pageId="16" pageNumber="47">Etymology.</paragraph>
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<paragraph pageId="16" pageNumber="47">The species is named after the type locality.</paragraph>
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</subSubSection>
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<subSubSection pageId="16" pageNumber="47" type="distribution">
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<paragraph pageId="16" pageNumber="47">Distribution and ecology.</paragraph>
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<paragraph pageId="16" pageNumber="47">It is known only from the Tardoki-Yany mountain massive (central part of Sikhote-Alin Range) where it occurs in all samples from alpine sites which we have examined (Fig. 58).</paragraph>
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</subSubSection>
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<subSubSection pageId="16" pageNumber="47" type="discussion">
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<paragraph pageId="16" pageNumber="47">Discussion.</paragraph>
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<paragraph pageId="16" pageNumber="47">
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The new species belongs to the '
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<taxonomicName lsidName="ethelae" pageId="16" pageNumber="47" rank="species" species="ethelae">ethelae</taxonomicName>
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' group by absence of chaeta on coxa I, three sublobal hairs, two prelabral chaetae and other characters. Together with
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<taxonomicName lsidName="T. orientalis" pageId="16" pageNumber="47" rank="species" species="orientalis">T. orientalis</taxonomicName>
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they are the only representatives of this Nearctic group in Palearctic. The two species share several apomorphic characteristics unknown in North American species: absence of furca, presence of the third macrochaetae in p-position on thorax, low number of axial chaetae, short empodium.
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<taxonomicName class="Collembola" family="Isotomidae" genus="Tetracanthella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Tetracanthella tardoki" order="Entomobryomorpha" pageId="16" pageNumber="47" phylum="Arthropoda" rank="species" species="tardoki">Tetracanthella tardoki</taxonomicName>
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sp. nov. differs from
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<taxonomicName lsidName="T. orientalis" pageId="16" pageNumber="47" rank="species" species="orientalis">T. orientalis</taxonomicName>
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by the presence of Md macrochaetae on Abd.II resulting in formula 2,3,3 (vs. 2,2,3) on abdomen.
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</paragraph>
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</subSubSection>
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</treatment>
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</document> |