271 lines
27 KiB
XML
271 lines
27 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/zookeys.364.6332" ID-GBIF-Dataset="b87b70a7-2381-468c-8cd4-4f94b4a80fbf" ID-PMC="PMC3890660" ID-Pensoft-Pub="1313-2970-364-1" ID-PubMed="24453541" ID-ZBK="03592C54D17042FEB764A8B8383F74CF" ModsDocAuthor="" ModsDocDate="2013" ModsDocID="1313-2970-364-1" ModsDocOrigin="ZooKeys 364" ModsDocTitle="Broadening the definition of the genus Thalassaphorura Bagnall, 1949 (Collembola, Onychiuridae) with a new aberrant species from China" checkinTime="1451246549364" checkinUser="pensoft" docAuthor="Sun, Xin, Deharveng, Louis & Wu, Donghui" docDate="2013" docId="82B1B74F35F5E877372F2AC7327D5C0E" docLanguage="en" docName="ZooKeys 364: 1-9" docOrigin="ZooKeys 364" docSource="http://dx.doi.org/10.3897/zookeys.364.6332" docTitle="Thalassaphorura problematica Sun, Deharveng & Wu, 2013, sp. n." docType="treatment" docUuid="17661043-729B-4277-827D-E4F25F48FBC9" docUuidSource="ZooBank" docVersion="5" lastPageNumber="4" masterDocId="FFA91D13FF92FF66FFBAFFEFFFAD337F" masterDocTitle="Broadening the definition of the genus Thalassaphorura Bagnall, 1949 (Collembola, Onychiuridae) with a new aberrant species from China" masterLastPageNumber="9" masterPageNumber="1" pageNumber="2" updateTime="1668157203443" 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>Broadening the definition of the genus Thalassaphorura Bagnall, 1949 (Collembola, Onychiuridae) with a new aberrant species from China</mods:title>
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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: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>Deharveng, Louis</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>Wu, Donghui</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>2013</mods:date>
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<mods:detail type="volume">
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<mods:number>364</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>1</mods:start>
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<mods:end>9</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.364.6332</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.364.6332</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1313-2970-364-1</mods:identifier>
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<mods:identifier type="ZBK">03592C54D17042FEB764A8B8383F74CF</mods:identifier>
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<mods:identifier type="ZooBank">03592C54D17042FEB764A8B8383F74CF</mods:identifier>
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</mods:mods>
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<treatment ID-GBIF-Taxon="152050186" LSID="urn:lsid:zoobank.org:act:17661043-729B-4277-827D-E4F25F48FBC9" httpUri="http://treatment.plazi.org/id/82B1B74F35F5E877372F2AC7327D5C0E" lastPageId="3" lastPageNumber="4" pageId="1" pageNumber="2">
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<subSubSection pageId="1" pageNumber="2" type="nomenclature">
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<paragraph pageId="1" pageNumber="2">
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<taxonomicName LSID="http://zoobank.org/17661043-729B-4277-827D-E4F25F48FBC9" class="Collembola" family="Onychiuridae" genus="Thalassaphorura" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Thalassaphorura problematica" order="Poduromorpha" pageId="1" pageNumber="2" phylum="Arthropoda" rank="species" species="problematica">Thalassaphorura problematica</taxonomicName>
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<taxonomicNameLabel pageId="1" pageNumber="2">sp. n.</taxonomicNameLabel>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="1" pageNumber="2" type="type material">
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<paragraph pageId="1" pageNumber="2">Type material.</paragraph>
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<paragraph pageId="1" pageNumber="2">
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Holotype female; paratypes 9 females and 3 males on slides-China, Heilongjiang: Wulindong town,
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<geoCoordinate direction="north" orientation="latitude" precision="925" value="46.55">46°33'N</geoCoordinate>
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,
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<geoCoordinate direction="east" orientation="longitude" precision="925" value="133.66667">133°40'E</geoCoordinate>
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, 16 Aug 2010, forest soil and humus, Wu Donghui, Liu Dong, Yuan Xiaoqiang and Yuan Yabin leg.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="1" pageNumber="2" type="diagnosis">
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<paragraph pageId="1" pageNumber="2">Diagnosis.</paragraph>
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<paragraph pageId="1" pageNumber="2">
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Pso formula as 32/133/33343 dorsally, 11/000/00010 ventrally; psx formula as 0/000/112001+1m ventrally; Ant. III sensory organ with two granulated clubs (inner one bigger than outer); labium with 5 proximal chaetae; labial type AB; tibiotarsi of legs
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<normalizedToken originalValue="I–III">I-III</normalizedToken>
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with 14 (1, 7, 6) chaetae each; male ventral organ present on ventral tube as modified distal chaetae; anal spines 1.1-1.2 times as long as inner edge of hind unguis.
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</paragraph>
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</subSubSection>
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<subSubSection lastPageId="2" lastPageNumber="3" pageId="1" pageNumber="2" type="description">
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<paragraph pageId="1" pageNumber="2">Description.</paragraph>
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<paragraph pageId="1" pageNumber="2">
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Body white in alcohol. Size 1000-1300
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<normalizedToken originalValue="µm">µm</normalizedToken>
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in females, 800-1100
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<normalizedToken originalValue="µm">µm</normalizedToken>
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in male; holotype: 1050
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<normalizedToken originalValue="µm">µm</normalizedToken>
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. Body subcylindrical, body sides parallel.
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</paragraph>
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<paragraph pageId="1" pageNumber="2">Pseudocellar formula: 32/133/33343 dorsally, 11/000/00010 ventrally, subcoxa 1 of legs I-III with 2, 2 and 2 pso respectively (Fig. 1A, B). Parapseudocellar formula: 0/000/112001+1m (each of anal valve with one psx) ventrally, absent dorsally (Figs 1A, B, 2G). Pseudopore formula: 0/011/11110 dorsally, 00/111/0001m0 ventrally (Fig. 1A, B).</paragraph>
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<caption pageId="1" pageNumber="2">
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<paragraph pageId="1" pageNumber="2">
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Figure 1.
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<taxonomicName class="Collembola" family="Onychiuridae" genus="Thalassaphorura" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Thalassaphorura problematica" order="Poduromorpha" pageId="1" pageNumber="2" phylum="Arthropoda" rank="species" species="problematica">Thalassaphorura problematica</taxonomicName>
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sp. n. A dorsal side of body B ventral side of Abd.
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<normalizedToken originalValue="I–VI">I-VI</normalizedToken>
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C PAO D clubs and papillae of AIIIO E Labium F Antenna. Scales: 0.1 mm (
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<normalizedToken originalValue="A–B">A-B</normalizedToken>
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, F), 0.01 mm (
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<normalizedToken originalValue="C–E">C-E</normalizedToken>
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).
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</paragraph>
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</caption>
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<caption pageId="1" pageNumber="2">
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<paragraph pageId="1" pageNumber="2">
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Figure 2.
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<taxonomicName class="Collembola" family="Onychiuridae" genus="Thalassaphorura" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Thalassaphorura problematica" order="Poduromorpha" pageId="1" pageNumber="2" phylum="Arthropoda" rank="species" species="problematica">Thalassaphorura problematica</taxonomicName>
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sp. n. A dorsal side of head B ventral side of head C Abd.
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<normalizedToken originalValue="IV–VI">IV-VI</normalizedToken>
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terga D ventral tube (showing male ventral organ) E distal part of leg III F furca G anal valves. Scales: 0.1 mm (
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<normalizedToken originalValue="A–C">A-C</normalizedToken>
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and
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<normalizedToken originalValue="F–G">F-G</normalizedToken>
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), 0.01 mm (
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<normalizedToken originalValue="D–E">D-E</normalizedToken>
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)
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</paragraph>
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</caption>
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<paragraph pageId="1" pageNumber="2">
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Head. Antennae short and distinctly segmented, as long as head. Length ratio of Ant. I: II: III: IV as about 1: 1.5: 1.5: 1.5. Subapical organite of Ant.IV with globular apex; basolateral ms at about 1/3 length from base, above the second proximal row of chaetae (Fig. 1F). Ant. III sensory organ composed of 5 papillae, 5 guard chaetae, 2 sensory rods and 2 granulated clubs, the inner bigger than the outer, and a lateral ms (Figs 1D, F). Ant. II with 13 chaetae. Ant. I with 8 chaetae. Antennal base well marked. PAO composed of 20-24 simple vesicles (Fig. 1C). Dorsal cephalic chaeta d0 absent (Figs 1A, 2A). 3+3 p-chaetae present between two inner posterior pso, p1 anterior to others. Mandible with strong molar plate and 4 apical teeth. Maxilla bearing 3 teeth and 6 lamellae. Maxillary palp simple with 1 basal chaeta and 2 sublobal hairs. Labral formula 4/1,4,2;. Labium with 5 proximal, 4 basomedian (E, F, G, f) and 5 basolateral (b, c, d, e,
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<normalizedToken originalValue="e’">e'</normalizedToken>
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) chaetae (Fig. 2B); labial type AB, papillae
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<normalizedToken originalValue="A–E">A-E</normalizedToken>
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respectively with 1, 4, 0, 3 and 2 guard chaetae (Fig. 1E). Head ventrally with 4+4 postlabial chaetae along ventral groove (Fig. 2B).
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</paragraph>
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<paragraph lastPageId="2" lastPageNumber="3" pageId="1" pageNumber="2">
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Body chaetotaxy. S-chaetae subcylindrical, apically rounded, 11/011/222121 dorsally, 11/000/000110 ventrally (Figs 1A, B); subcoxae 2 of legs I, II and III with 0, 0, 1 S-chaeta respectively. Tiny and blunt ms, present on Th.
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<normalizedToken originalValue="II–III">II-III</normalizedToken>
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. Ordinary chaetae differentiated into meso- and macrochaetae, ratio Sp: m1: p1 on Abd. V tergum = 1: 2-2.3: 0.8. Th. I tergum with 7
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<normalizedToken originalValue="–8+7–">-8+7-</normalizedToken>
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8 dorsal chaetae. Th.
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<normalizedToken originalValue="II–III">II-III</normalizedToken>
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terga with 4+4 chae
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<pageBreakToken pageId="2" pageNumber="3" start="start">tae</pageBreakToken>
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and Abd.
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<normalizedToken originalValue="I–III">I-III</normalizedToken>
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terga with 3+3 chaetae along axis respectively (Fig. 1A). Abd.
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<normalizedToken originalValue="IV–V">IV-V</normalizedToken>
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terga with one axial chaeta (p0) each, sometimes with asymmetric chaetae along axis. Abd. VI tergum with two axial chaetae (a0 and p0) (Figs 1A, 2C). Sterna of Th. I, II, and III with 0+0, 1+1, 1+1 chaetae respectively.
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</paragraph>
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<paragraph pageId="2" pageNumber="3">
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Appendages. Subcoxa 1 of legs
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<normalizedToken originalValue="I–III">I-III</normalizedToken>
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with 4, 5 and 5 chaetae, subcoxa 2 with 0, 4 and 4 chaetae respectively. Tibiotarsi of legs I, II and III with 14 (1, 7, 6) chaetae each (Fig. 2E). Unguis without teeth. Unguiculus short, about 0.3 times as long as inner edge of unguis, with inner basal lamella (Fig. 2E). Ventral tube with 1+1 basal and 8
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<normalizedToken originalValue="–11+8–">-11+8-</normalizedToken>
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11 distal chaetae (8
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<normalizedToken originalValue="–10+8–">-10+8-</normalizedToken>
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10 in female, 11+11 of which 9+9 modified in males) (Fig. 2D). Furca reduced to a field of fine granulation with 4 small dental chaetae arranged in 2 rows posteriorly; only one manubrial row of chaetae present posteriorly to dental chaetae (Fig. 2F).
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</paragraph>
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<paragraph pageId="2" pageNumber="3">Genital plate with 14-15 chaetae in females, 33-36 chaetae in male. Anal valves with numerous acuminate chaetae; each lateral valve with a0 and 2a1; upper valves with chaetae a0, 2b1, 2b2, c0, 2c1, 2c2 (Fig. 2G). Anal spines set on distinct papillae, 1.1-1.2 times as long as inner edge of hind unguis.</paragraph>
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</subSubSection>
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<subSubSection pageId="2" pageNumber="3" type="derivatio nominis">
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<paragraph pageId="2" pageNumber="3">Derivatio nominis.</paragraph>
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<paragraph pageId="2" pageNumber="3">
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Named for its unusual characters among
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<taxonomicName class="Collembola" family="Onychiuridae" genus="Thalassaphorura" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Thalassaphorura" order="Poduromorpha" pageId="2" pageNumber="3" phylum="Arthropoda" rank="genus">Thalassaphorura</taxonomicName>
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.
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</paragraph>
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</subSubSection>
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<subSubSection lastPageId="3" lastPageNumber="4" pageId="2" pageNumber="3" type="discussion">
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<paragraph pageId="2" pageNumber="3">Discussion.</paragraph>
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<paragraph pageId="2" pageNumber="3">
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The new species is closest to the genus
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<taxonomicName class="Collembola" family="Onychiuridae" genus="Thalassaphorura" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Thalassaphorura" order="Poduromorpha" pageId="2" pageNumber="3" phylum="Arthropoda" rank="genus">Thalassaphorura</taxonomicName>
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by its simple vesicles in PAO and the furcal rudiment. However, it does not match the definition of this genus proposed by
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<bibRefCitation author="Sun, X" journalOrPublisher="Zootaxa" pageId="5" pageNumber="6" pagination="20 - 38" title="Six new species of Thalassaphorura (Collembola, Onychiuridae) from southern China, with a key to world species of the genus." volume="2627" year="2010">Sun et al. (2010)</bibRefCitation>
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, nor those given previously by
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<bibRefCitation author="Weiner, WM" journalOrPublisher="Annals of the Entomological Society of France (N. S.)" pageId="5" pageNumber="6" pagination="163 - 200" title="Generic revision of Onychiurinae (Collembola: Onychiuridae) with a cladistic analysis." volume="32" year="1996">Weiner (1996)</bibRefCitation>
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,
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<bibRefCitation author="Fjellberg, A" journalOrPublisher="Zoologischer Anzeiger" pageId="5" pageNumber="6" pagination="309 - 330" title="The Labial Palp in Collembola." volume="237" year="1999">Fjellberg (1999)</bibRefCitation>
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or
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<bibRefCitation pageId="2" pageNumber="3">Pomorski (1998)</bibRefCitation>
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for three characters: absence of chaeta d0 on head, 6 chaetae in the distal whorl of tibiotarsi of all legs, and labium type AB. In order not to erect a new genus in a tribe in need of revision (
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<bibRefCitation author="Sun, X" journalOrPublisher="Zookeys" pageId="5" pageNumber="6" pagination="27 - 41" title="Redefinition of the genus Allonychiurus Yoshii, 1995 (Collembola, Onychiuridae) with description of a new species from China." url="10.3897/zookeys.78.977" volume="78" year="2011">Sun et al. 2011</bibRefCitation>
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) and for a species otherwise very similar to existing
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<taxonomicName class="Collembola" family="Onychiuridae" genus="Thalassaphorura" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Thalassaphorura" order="Poduromorpha" pageId="2" pageNumber="3" phylum="Arthropoda" rank="genus">Thalassaphorura</taxonomicName>
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, we placed our new species in the genus
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<taxonomicName class="Collembola" family="Onychiuridae" genus="Thalassaphorura" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Thalassaphorura" order="Poduromorpha" pageId="2" pageNumber="3" phylum="Arthropoda" rank="genus">Thalassaphorura</taxonomicName>
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and broadened its diagnosis.
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</paragraph>
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<paragraph pageId="2" pageNumber="3">
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The new species belongs to the species-group of
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<taxonomicName class="Collembola" family="Onychiuridae" genus="Thalassaphorura" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Thalassaphorura" order="Poduromorpha" pageId="2" pageNumber="3" phylum="Arthropoda" rank="genus">Thalassaphorura</taxonomicName>
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which has modified ventral chaetae in the adult male ("male ventral organ"), including the species
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<taxonomicName class="Collembola" family="Onychiuridae" genus="Thalassaphorura" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Thalassaphorura petiti" order="Poduromorpha" pageId="2" pageNumber="3" phylum="Arthropoda" rank="species" species="petiti">Thalassaphorura petiti</taxonomicName>
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Sun & Wu, 2013,
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<taxonomicName class="Collembola" family="Onychiuridae" genus="Thalassaphorura" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Thalassaphorura bisetosa" order="Poduromorpha" pageId="2" pageNumber="3" phylum="Arthropoda" rank="species" species="bisetosa">Thalassaphorura bisetosa</taxonomicName>
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Sun & Wu, 2013,
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<taxonomicName class="Collembola" family="Onychiuridae" genus="Thalassaphorura" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Thalassaphorura qinlingensis" order="Poduromorpha" pageId="2" pageNumber="3" phylum="Arthropoda" rank="species" species="qinlingensis">Thalassaphorura qinlingensis</taxonomicName>
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Sun & Wu, 2013,
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<taxonomicName class="Collembola" family="Onychiuridae" genus="Thalassaphorura" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Thalassaphorura macrospinata" order="Poduromorpha" pageId="2" pageNumber="3" phylum="Arthropoda" rank="species" species="macrospinata">Thalassaphorura macrospinata</taxonomicName>
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Sun & Wu, 2012 and
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<taxonomicName class="Collembola" family="Onychiuridae" genus="Thalassaphorura" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Thalassaphorura qixiaensis" order="Poduromorpha" pageId="2" pageNumber="3" phylum="Arthropoda" rank="species" species="qixiaensis">Thalassaphorura qixiaensis</taxonomicName>
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Yan, Shi & Chen, 2006, all described from China. These species can be distinguished easily by the position or the number of modified chaetae of the male ventral organ, dorsal and ventral pso formula, and ventral psx formula.
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</paragraph>
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<paragraph pageId="2" pageNumber="3">
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Assigning the new species to this genus led us to re-examine three important taxonomic characters that separate the new species from most other
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<taxonomicName class="Collembola" family="Onychiuridae" genus="Thalassaphorura" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Thalassaphorura" order="Poduromorpha" pageId="2" pageNumber="3" phylum="Arthropoda" rank="genus">Thalassaphorura</taxonomicName>
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.
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</paragraph>
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<paragraph pageId="2" pageNumber="3">
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The distal tibiotarsal chaetae have been recently checked in the genera
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<taxonomicName class="Collembola" family="Onychiuridae" genus="Allonychiurus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Allonychiurus" order="Poduromorpha" pageId="2" pageNumber="3" phylum="Arthropoda" rank="genus">Allonychiurus</taxonomicName>
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,
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<taxonomicName class="Collembola" family="Onychiuridae" genus="Onychiurus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Onychiurus" order="Poduromorpha" pageId="2" pageNumber="3" phylum="Arthropoda" rank="genus">Onychiurus</taxonomicName>
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and
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<taxonomicName class="Collembola" family="Onychiuridae" genus="Thalassaphorura" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Thalassaphorura" order="Poduromorpha" pageId="2" pageNumber="3" phylum="Arthropoda" rank="genus">Thalassaphorura</taxonomicName>
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(
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<bibRefCitation author="Sun, X" journalOrPublisher="Zootaxa" pageId="5" pageNumber="6" pagination="20 - 38" title="Six new species of Thalassaphorura (Collembola, Onychiuridae) from southern China, with a key to world species of the genus." volume="2627" year="2010">Sun et al. 2010</bibRefCitation>
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;
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<bibRefCitation author="Sun, X" journalOrPublisher="Zookeys" pageId="5" pageNumber="6" pagination="27 - 41" title="Redefinition of the genus Allonychiurus Yoshii, 1995 (Collembola, Onychiuridae) with description of a new species from China." url="10.3897/zookeys.78.977" volume="78" year="2011">Sun et al. 2011</bibRefCitation>
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||
;
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<bibRefCitation author="Sun, X" journalOrPublisher="Journal of Natural History" pageId="5" pageNumber="6" pagination="31 - 32" title="Two new species of Onychiurus (Collembola: Onychiuridae) from Eastern China." volume="46" year="2012">Sun and Zhang 2012</bibRefCitation>
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), showing that this character has a limited taxonomical value to discriminate these genera. In addition, paratypes of
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<taxonomicName class="Collembola" family="Onychiuridae" genus="Thalassaphorura" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Thalassaphorura petaloides" order="Poduromorpha" pageId="2" pageNumber="3" phylum="Arthropoda" rank="species" species="petaloides">Thalassaphorura petaloides</taxonomicName>
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(Rusek, 1981) from Iraq and specimens of the same species from southern China were found to actually have 15 (1, 7, 7), 14 (1, 7, 6) and 14 (1, 7, 6)) chaetae on tibiotarsi I, II and III. Together with reduced tibiotarsal chaetotaxy of the new species described here, this leads us to extend the diagnosis of
|
||
<taxonomicName class="Collembola" family="Onychiuridae" genus="Thalassaphorura" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Thalassaphorura" order="Poduromorpha" pageId="2" pageNumber="3" phylum="Arthropoda" rank="genus">Thalassaphorura</taxonomicName>
|
||
to species with 6, 7 or 9 chaetae in the distal row of tibiotarsus.
|
||
</paragraph>
|
||
<paragraph pageId="3" pageNumber="4">
|
||
<pageBreakToken pageId="3" pageNumber="4" start="start">Chaeta</pageBreakToken>
|
||
d0 on head is considered as a stable character at the generic level. It is present in all species of
|
||
<taxonomicName class="Collembola" family="Onychiuridae" genus="Thalassaphorura" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Thalassaphorura" order="Poduromorpha" pageId="3" pageNumber="4" phylum="Arthropoda" rank="genus">Thalassaphorura</taxonomicName>
|
||
(
|
||
<bibRefCitation author="Sun, X" journalOrPublisher="Zookeys" pageId="5" pageNumber="6" pagination="27 - 41" title="Redefinition of the genus Allonychiurus Yoshii, 1995 (Collembola, Onychiuridae) with description of a new species from China." url="10.3897/zookeys.78.977" volume="78" year="2011">Sun et al. 2011</bibRefCitation>
|
||
) except
|
||
<taxonomicName class="Collembola" family="Onychiuridae" genus="Thalassaphorura" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Thalassaphorura jailolonis" order="Poduromorpha" pageId="3" pageNumber="4" phylum="Arthropoda" rank="species" species="jailolonis">Thalassaphorura jailolonis</taxonomicName>
|
||
(Yoshii & Suhardjono, 1992) from Malukku (Indonesia) and the new species
|
||
<taxonomicName class="Collembola" family="Onychiuridae" genus="Thalassaphorura" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Thalassaphorura problematica" order="Poduromorpha" pageId="3" pageNumber="4" phylum="Arthropoda" rank="species" species="problematica">Thalassaphorura problematica</taxonomicName>
|
||
sp. n. The species
|
||
<taxonomicName class="Collembola" family="Onychiuridae" genus="Thalassaphorura" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Thalassaphorura jailolonis" order="Poduromorpha" pageId="3" pageNumber="4" phylum="Arthropoda" rank="species" species="jailolonis">Thalassaphorura jailolonis</taxonomicName>
|
||
was described in
|
||
<taxonomicName genus="Jailolaphorura" lsidName="Jailolaphorura" pageId="3" pageNumber="4" rank="genus">Jailolaphorura</taxonomicName>
|
||
Yoshii & Suhardjono, 1992 (a subgenus of
|
||
<taxonomicName class="Collembola" family="Onychiuridae" genus="Onychiurus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Onychiurus" order="Poduromorpha" pageId="3" pageNumber="4" phylum="Arthropoda" rank="genus">Onychiurus</taxonomicName>
|
||
, upgraded to genus level by Weiner in
|
||
<bibRefCitation author="Weiner, WM" journalOrPublisher="Annals of the Entomological Society of France (N. S.)" pageId="5" pageNumber="6" pagination="163 - 200" title="Generic revision of Onychiurinae (Collembola: Onychiuridae) with a cladistic analysis." volume="32" year="1996">1996</bibRefCitation>
|
||
), but was subsequently transferred to
|
||
<taxonomicName class="Collembola" family="Onychiuridae" genus="Thalassaphorura" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Thalassaphorura" order="Poduromorpha" pageId="3" pageNumber="4" phylum="Arthropoda" rank="genus">Thalassaphorura</taxonomicName>
|
||
by
|
||
<bibRefCitation author="Bellinger, PF" journalOrPublisher="Annals and Magazine of Natural History" pageId="5" pageNumber="6" url="http://www.collembola.org" year="1996 - 2013">Bellinger et al. (1996-2013)</bibRefCitation>
|
||
according to a personal communication of Pomorski in 2002. This assignation is however uncertain because the chaetotaxy of the furcal rest is unknown in
|
||
<taxonomicName class="Collembola" family="Onychiuridae" genus="Thalassaphorura" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Thalassaphorura jailolonis" order="Poduromorpha" pageId="3" pageNumber="4" phylum="Arthropoda" rank="species" species="jailolonis">Thalassaphorura jailolonis</taxonomicName>
|
||
. At this point, we consider that the diagnosis of the genus
|
||
<taxonomicName class="Collembola" family="Onychiuridae" genus="Thalassaphorura" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Thalassaphorura" order="Poduromorpha" pageId="3" pageNumber="4" phylum="Arthropoda" rank="genus">Thalassaphorura</taxonomicName>
|
||
should provisionally state that d0 is present or absent on head, waiting for a re-examination of
|
||
<taxonomicName class="Collembola" family="Onychiuridae" genus="Thalassaphorura" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Thalassaphorura jailolonis" order="Poduromorpha" pageId="3" pageNumber="4" phylum="Arthropoda" rank="species" species="jailolonis">Thalassaphorura jailolonis</taxonomicName>
|
||
on fresh material.
|
||
</paragraph>
|
||
<paragraph pageId="3" pageNumber="4">
|
||
The third character, labium type, is not stable in several genera of
|
||
<taxonomicName lsidName="" pageId="3" pageNumber="4" rank="tribe" tribe="Thalassaphorurini">Thalassaphorurini</taxonomicName>
|
||
, being AC or ABC in
|
||
<taxonomicName class="Collembola" family="Onychiuridae" genus="Allonychiurus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Allonychiurus" order="Poduromorpha" pageId="3" pageNumber="4" phylum="Arthropoda" rank="genus">Allonychiurus</taxonomicName>
|
||
and
|
||
<taxonomicName class="Collembola" family="Onychiuridae" genus="Sensillonychiurus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Sensillonychiurus" order="Poduromorpha" pageId="3" pageNumber="4" phylum="Arthropoda" rank="genus">Sensillonychiurus</taxonomicName>
|
||
(
|
||
<bibRefCitation author="Babenko, AB" journalOrPublisher="ZooKeys" pageId="4" pageNumber="5" pagination="1 - 38" title="New Palaearctic species of the tribe Thalassaphorurini Pomorski, 1998 (Collembola, Onychiuridae)." url="10.3897/zookeys.126.1229" volume="126" year="2011">Babenko et al. 2011</bibRefCitation>
|
||
), and even A, AC or ABC in
|
||
<taxonomicName class="Collembola" family="Onychiuridae" genus="Thalassaphorura" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Thalassaphorura" order="Poduromorpha" pageId="3" pageNumber="4" phylum="Arthropoda" rank="genus">Thalassaphorura</taxonomicName>
|
||
(
|
||
<bibRefCitation author="Sun, X" journalOrPublisher="Zootaxa" pageId="5" pageNumber="6" pagination="20 - 38" title="Six new species of Thalassaphorura (Collembola, Onychiuridae) from southern China, with a key to world species of the genus." volume="2627" year="2010">Sun et al. 2010</bibRefCitation>
|
||
). In our new species, labium is still of another type - AB. Moreover, labial type is undescribed in many species. This high intra-generic variability implies that this character should not be considered diagnostic at a generic level among
|
||
<taxonomicName lsidName="" pageId="3" pageNumber="4" rank="tribe" tribe="Thalassaphorurini">Thalassaphorurini</taxonomicName>
|
||
.
|
||
</paragraph>
|
||
<paragraph pageId="3" pageNumber="4">
|
||
An amended diagnosis of the genus
|
||
<taxonomicName class="Collembola" family="Onychiuridae" genus="Thalassaphorura" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Thalassaphorura" order="Poduromorpha" pageId="3" pageNumber="4" phylum="Arthropoda" rank="genus">Thalassaphorura</taxonomicName>
|
||
and an updated key of the genera of
|
||
<taxonomicName lsidName="" pageId="3" pageNumber="4" rank="tribe" tribe="Thalassaphorurini">Thalassaphorurini</taxonomicName>
|
||
integrating these changes are given below.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |