266 lines
33 KiB
XML
266 lines
33 KiB
XML
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<mods:title id="DE4E4E75B216F45D83C70028AFBE1F21">A new species of Bezesporum from mid-Cretaceous Kachin amber (Coleoptera: Myxophaga: Sphaeriusidae)</mods:title>
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<mods:namePart id="AEF9693F1713720CB398078466EF4BCC">Li, Yan-Da</mods:namePart>
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<mods:affiliation id="B4785C1FFAF95E59C28A006BB71145DE">State Key Laboratory of Palaeobiology and Stratigraphy, Nanjing Institute of Geology and Palaeontology, Chinese Academy of Sciences, Nanjing 210008, China & Bristol Palaeobiology Group, School of Earth Sciences, University of Bristol, Bristol BS 8 1 TQ, United Kingdom</mods:affiliation>
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<mods:nameIdentifier id="117D6B5276536C6873F7BF68AF8D6CA4" type="email">ydli@pku.edu.cn</mods:nameIdentifier>
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<mods:namePart id="0406E398FB7B38DA4F8701809CAA35AE">Huang, Di-Ying</mods:namePart>
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<mods:affiliation id="169588705A7DF399DBF1BFEA4BD2F8F1">State Key Laboratory of Palaeobiology and Stratigraphy, Nanjing Institute of Geology and Palaeontology, Chinese Academy of Sciences, Nanjing 210008, China</mods:affiliation>
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<mods:nameIdentifier id="B2B281B53348CFE0892C562B771646C5" type="email">dyhuang@nigpas.ac.cn</mods:nameIdentifier>
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<mods:namePart id="859A076896AAD8CB4E1E380F54B18553">Cai, Chen-Yang</mods:namePart>
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<mods:affiliation id="378C964DEFCD1F14ECAEDB9ABD451579">State Key Laboratory of Palaeobiology and Stratigraphy, Nanjing Institute of Geology and Palaeontology, Chinese Academy of Sciences, Nanjing 210008, China</mods:affiliation>
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<mods:nameIdentifier id="6E933527C3BA5BBEF337F37E2C98BA70" type="email">cycai@nigpas.ac.cn</mods:nameIdentifier>
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<mods:date id="BBBBBF944DB24399A99BBB58E2E672F5">2024</mods:date>
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<mods:number id="143C825698A9CE61998783B8C6191DFE">2024-11-15</mods:number>
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<treatment id="03C387D7FFED5746D1D8F9473729BFE9" ID-DOI="http://doi.org/10.5281/zenodo.14611763" ID-Zenodo-Dep="14611763" LSID="urn:lsid:plazi:treatment:03C387D7FFED5746D1D8F9473729BFE9" httpUri="http://treatment.plazi.org/id/03C387D7FFED5746D1D8F9473729BFE9" lastPageId="3" lastPageNumber="295" pageId="0" pageNumber="293" scope_family="Sphaeriusidae" scope_order="Coleoptera" scope_subOrder="Myxophaga">
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<subSubSection id="C370654AFFED5745D1D8F947342BB9AB" box="[151,522,1691,1718]" pageId="0" pageNumber="293" type="nomenclature">
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<paragraph id="8BD536C1FFED5745D1D8F947342BB9AB" blockId="0.[151,1437,1691,2042]" box="[151,522,1691,1718]" pageId="0" pageNumber="293">
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<heading id="D09D81ADFFED5745D1D8F947342BB9AB" bold="true" box="[151,522,1691,1718]" fontSize="11" level="1" pageId="0" pageNumber="293" reason="1">
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<emphasis id="B91EEAD3FFED5745D1D8F947342BB9AB" bold="true" box="[151,522,1691,1718]" pageId="0" pageNumber="293">
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<taxonomicName id="4C6A4D42FFED5745D1D8F9473784B9A8" authorityName="Li & Huang & Cai" authorityYear="2024" box="[151,421,1691,1718]" class="Insecta" family="Sphaeriusidae" genus="Bezesporum" kingdom="Animalia" order="Coleoptera" pageId="0" pageNumber="293" phylum="Arthropoda" rank="species" species="huchengi" status="sp. nov.">
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<emphasis id="B91EEAD3FFED5745D1D8F9473784B9A8" bold="true" box="[151,421,1691,1718]" italics="true" pageId="0" pageNumber="293">Bezesporum huchengi</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="A22D57A8FFED5745D0E3F940342BB9AB" box="[428,522,1691,1717]" pageId="0" pageNumber="293" rank="species">sp. nov.</taxonomicNameLabel>
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</emphasis>
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</heading>
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</paragraph>
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</subSubSection>
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<subSubSection id="C370654AFFED5745D1D8F91A3724B9C7" box="[151,261,1729,1753]" pageId="0" pageNumber="293" type="description">
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<paragraph id="8BD536C1FFED5745D1D8F91A3724B9C7" blockId="0.[151,1437,1691,2042]" box="[151,261,1729,1753]" pageId="0" pageNumber="293">
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(
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<figureCitation id="13512A44FFED5745D1D0F91A36DCB9C7" box="[159,253,1729,1753]" captionStart-0="FIGURE 1" captionStart-1="FIGURE 2" captionStartId-0="1.[151,250,1228,1252]" captionStartId-1="2.[151,250,1519,1543]" captionTargetBox-0="[171,1417,194,1204]" captionTargetBox-1="[171,1417,181,1495]" captionTargetId-0="figure-18@1.[171,1417,180,1204]" captionTargetId-1="figure-24@2.[171,1417,181,1495]" captionTargetPageId-0="1" captionTargetPageId-1="2" captionText-0="FIGURE 1. General habitus of Bezesporum huchengi sp. nov., holotype, NIGP204941, under incident light. A, Dorsal view. B, Ventral view. Scale bars: 200 μm." captionText-1="FIGURE 2. Bezesporum huchengi sp. nov., holotype, NIGP204941, under confocal microscopy. A, Habitus, dorsal view. B, Habitus, ventral view. C, Head and prothorax, ventral view. D, Hind leg, with arrow indicating long setae on metatarsus. Abbreviations:a5–11, antennomeres 5–11; cl, clypeus; msv, mesoventrite; mtts, metatarsus; mxp, maxillary palp; ps, prosternum. Scale bars: 100 mm." figureDoi-0="http://doi.org/10.5281/zenodo.14611765" figureDoi-1="http://doi.org/10.5281/zenodo.14611767" httpUri-0="https://zenodo.org/record/14611765/files/figure.png" httpUri-1="https://zenodo.org/record/14611767/files/figure.png" pageId="0" pageNumber="293">Figs 1–2</figureCitation>
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)
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</paragraph>
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</subSubSection>
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<subSubSection id="C370654AFFED5745D1D8F93E342FB9E3" box="[151,526,1765,1789]" pageId="0" pageNumber="293" type="materials_examined">
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<paragraph id="8BD536C1FFED5745D1D8F93E342FB9E3" blockId="0.[151,1437,1691,2042]" box="[151,526,1765,1789]" pageId="0" pageNumber="293">
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<emphasis id="B91EEAD3FFED5745D1D8F93E3720B9E3" bold="true" box="[151,257,1765,1789]" inLineHeading="true" pageId="0" pageNumber="293" reason="1">Material.</emphasis>
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<materialsCitation id="3B023C9CFFED5745D047F93E342FB9E3" box="[264,526,1765,1789]" collectionCode="NIGP" pageId="0" pageNumber="293" specimenCode="NIGP204941" specimenCount="1" typeStatus="holotype">
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<typeStatus id="54D18863FFED5745D047F93E374FB9E3" box="[264,366,1765,1789]" pageId="0" pageNumber="293" type="holotype">Holotype</typeStatus>
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,
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<specimenCode id="DBCC9EBAFFED5745D037F93E342BB9E3" box="[376,522,1765,1789]" collectionCode="NIGP" country="China" httpUri="http://grbio.org/cool/j51y-avsb" name="Naking Institute of Geology and Palaeontology" pageId="0" pageNumber="293">NIGP204941</specimenCode>
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.
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</materialsCitation>
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</paragraph>
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||
</subSubSection>
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<subSubSection id="C370654AFFED5745D188F8D2327BB877" pageId="0" pageNumber="293" type="etymology">
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<paragraph id="8BD536C1FFED5745D188F8D2330CB83F" blockId="0.[151,1437,1691,2042]" box="[199,1325,1801,1826]" pageId="0" pageNumber="293">
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<emphasis id="B91EEAD3FFED5745D188F8D23769B83F" bold="true" box="[199,328,1801,1825]" inLineHeading="true" pageId="0" pageNumber="293" reason="1">Etymology.</emphasis>
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The species is named after Mr. Cheng Hu, who kindly donated many fossils for our research.
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</paragraph>
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<paragraph id="8BD536C1FFED5745D188F8F6327BB877" blockId="0.[151,1437,1691,2042]" pageId="0" pageNumber="293">
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<emphasis id="B91EEAD3FFED5745D188F8F6379EB85B" bold="true" box="[199,447,1837,1861]" inLineHeading="true" pageId="0" pageNumber="293" reason="1">Locality and horizon.</emphasis>
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Amber mine located near Noije Bum Village, Tanai Township, Myitkyina District,
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<collectingRegion id="49AEF823FFED5745D400F8F636EEB877" country="Myanmar" name="Kachin" pageId="0" pageNumber="293">Kachin State</collectingRegion>
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,
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<collectingCountry id="F37D7651FFED5745D195F8893764B874" box="[218,325,1874,1898]" name="Myanmar" pageId="0" pageNumber="293">Myanmar</collectingCountry>
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; unnamed horizon, mid-Cretaceous, Upper Albian to Lower Cenomanian.
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</paragraph>
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</subSubSection>
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<subSubSection id="C370654AFFED5745D188F8AE34C5B8E7" pageId="0" pageNumber="293" type="diagnosis">
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<paragraph id="8BD536C1FFED5745D188F8AE34C5B8E7" blockId="0.[151,1437,1691,2042]" pageId="0" pageNumber="293">
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<emphasis id="B91EEAD3FFED5745D188F8AE371DB893" bold="true" box="[199,316,1909,1933]" inLineHeading="true" pageId="0" pageNumber="293" reason="1">Diagnosis.</emphasis>
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The new species differs from other extant and extinct species of
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<taxonomicName id="4C6A4D42FFED5745D56DF8AD3285B893" box="[1058,1188,1910,1933]" class="Insecta" family="Sphaeriusidae" genus="Bezesporum" kingdom="Animalia" order="Coleoptera" pageId="0" pageNumber="293" phylum="Arthropoda" rank="genus">
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<emphasis id="B91EEAD3FFED5745D56DF8AD3285B893" box="[1058,1188,1910,1933]" italics="true" pageId="0" pageNumber="293">Bezesporum</emphasis>
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</taxonomicName>
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by the more elongate antennomere 6 (
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<figureCitation id="13512A44FFED5745D00DF84237B7B8AF" box="[322,406,1945,1969]" captionStart="FIGURE 2" captionStartId="2.[151,250,1519,1543]" captionTargetBox="[171,1417,181,1495]" captionTargetId="figure-24@2.[171,1417,181,1495]" captionTargetPageId="2" captionText="FIGURE 2. Bezesporum huchengi sp. nov., holotype, NIGP204941, under confocal microscopy. A, Habitus, dorsal view. B, Habitus, ventral view. C, Head and prothorax, ventral view. D, Hind leg, with arrow indicating long setae on metatarsus. Abbreviations:a5–11, antennomeres 5–11; cl, clypeus; msv, mesoventrite; mtts, metatarsus; mxp, maxillary palp; ps, prosternum. Scale bars: 100 mm." figureDoi="http://doi.org/10.5281/zenodo.14611767" httpUri="https://zenodo.org/record/14611767/files/figure.png" pageId="0" pageNumber="293">Fig. 2C</figureCitation>
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). The biemarginate abdominal apex may also be a distinctive feature of the new species (
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<figureCitation id="13512A44FFED5745D40EF84233B6B8AF" box="[1345,1431,1945,1969]" captionStart="FIGURE 1" captionStartId="1.[151,250,1228,1252]" captionTargetBox="[171,1417,194,1204]" captionTargetId="figure-18@1.[171,1417,180,1204]" captionTargetPageId="1" captionText="FIGURE 1. General habitus of Bezesporum huchengi sp. nov., holotype, NIGP204941, under incident light. A, Dorsal view. B, Ventral view. Scale bars: 200 μm." figureDoi="http://doi.org/10.5281/zenodo.14611765" httpUri="https://zenodo.org/record/14611765/files/figure.png" pageId="0" pageNumber="293">Figs 1B</figureCitation>
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,
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<figureCitation id="13512A44FFED5745D1D8F8663698B8CB" box="[151,185,1981,2005]" captionStart="FIGURE 2" captionStartId="2.[151,250,1519,1543]" captionTargetBox="[171,1417,181,1495]" captionTargetId="figure-24@2.[171,1417,181,1495]" captionTargetPageId="2" captionText="FIGURE 2. Bezesporum huchengi sp. nov., holotype, NIGP204941, under confocal microscopy. A, Habitus, dorsal view. B, Habitus, ventral view. C, Head and prothorax, ventral view. D, Hind leg, with arrow indicating long setae on metatarsus. Abbreviations:a5–11, antennomeres 5–11; cl, clypeus; msv, mesoventrite; mtts, metatarsus; mxp, maxillary palp; ps, prosternum. Scale bars: 100 mm." figureDoi="http://doi.org/10.5281/zenodo.14611767" httpUri="https://zenodo.org/record/14611767/files/figure.png" pageId="0" pageNumber="293">2B</figureCitation>
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). To our knowledge, this feature has not been reported in any other sphaeriusids, although the state of abdominal apex was not explicitly described or illustrated in many cases.
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</paragraph>
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</subSubSection>
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<caption id="DF156649FFEC5744D1D8FB1737CDBA17" ID-DOI="http://doi.org/10.5281/zenodo.14611765" ID-Zenodo-Dep="14611765" httpUri="https://zenodo.org/record/14611765/files/figure.png" pageId="1" pageNumber="294" startId="1.[151,250,1228,1252]" targetBox="[171,1417,194,1204]" targetPageId="1" targetType="figure">
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<paragraph id="8BD536C1FFEC5744D1D8FB1737CDBA17" blockId="1.[151,1436,1228,1289]" pageId="1" pageNumber="294">
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<emphasis id="B91EEAD3FFEC5744D1D8FB173732BBFB" bold="true" box="[151,275,1228,1253]" pageId="1" pageNumber="294">FIGURE 1.</emphasis>
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General habitus of
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<taxonomicName id="4C6A4D42FFEC5744D097FB163497BBFB" authorityName="Li & Huang & Cai" authorityYear="2024" box="[472,694,1229,1253]" class="Insecta" family="Sphaeriusidae" genus="Bezesporum" kingdom="Animalia" order="Coleoptera" pageId="1" pageNumber="294" phylum="Arthropoda" rank="species" species="huchengi" status="sp. nov.">
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<emphasis id="B91EEAD3FFEC5744D097FB163497BBFB" box="[472,694,1229,1253]" italics="true" pageId="1" pageNumber="294">Bezesporum huchengi</emphasis>
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</taxonomicName>
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<emphasis id="B91EEAD3FFEC5744D3F3FB16352DBBFB" bold="true" box="[700,780,1229,1253]" pageId="1" pageNumber="294">
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<taxonomicNameLabel id="A22D57A8FFEC5744D3F3FB16352DBBFB" box="[700,780,1229,1253]" pageId="1" pageNumber="294" rank="species">sp. nov.</taxonomicNameLabel>
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</emphasis>
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, holotype, NIGP204941, under incident light.
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<emphasis id="B91EEAD3FFEC5744D5ADFB1732D5BBFA" bold="true" box="[1250,1268,1228,1252]" pageId="1" pageNumber="294">A</emphasis>
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, Dorsal view.
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<emphasis id="B91EEAD3FFEC5744D4CAFB1633B7BBFB" bold="true" box="[1413,1430,1229,1253]" pageId="1" pageNumber="294">B</emphasis>
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, Ventral view. Scale bars: 200 μm.
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</paragraph>
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</caption>
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<subSubSection id="C370654AFFEC5744D188FA8F3419B9E7" pageId="1" pageNumber="294" type="description">
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<paragraph id="8BD536C1FFEC5744D188FA8F324BBA73" blockId="1.[151,1437,1364,2037]" box="[199,1130,1364,1389]" pageId="1" pageNumber="294">
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<emphasis id="B91EEAD3FFEC5744D188FA8F3773BA72" bold="true" box="[199,338,1364,1388]" inLineHeading="true" pageId="1" pageNumber="294" reason="1">Description.</emphasis>
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Body broadly oval, strongly convex, about
|
||
<quantity id="4C929B24FFEC5744D268FA8E35A4BA72" box="[807,901,1365,1389]" metricMagnitude="-4" metricUnit="m" metricValue="7.8" pageId="1" pageNumber="294" unit="mm" value="0.78">0.78 mm</quantity>
|
||
long,
|
||
<quantity id="4C929B24FFEC5744D286FA8E3206BA72" box="[969,1063,1365,1389]" metricMagnitude="-4" metricUnit="m" metricValue="5.2" pageId="1" pageNumber="294" unit="mm" value="0.52">0.52 mm</quantity>
|
||
wide.
|
||
</paragraph>
|
||
<paragraph id="8BD536C1FFEC5744D188FAA23292BAE3" blockId="1.[151,1437,1364,2037]" pageId="1" pageNumber="294">Head prognathous, short and broad. Antennae 11-segmented, with 4-segmented club; antennomeres 1 and 2 robust; antennomere 3 strongly elongate (more than three times as long as 4); antennomeres 4, 5 and 7 submoniliform; antennomere 6 elongate; antennomeres 8–11 forming elongate club, with distinct setae. Clypeus converging anteriad. Mandibles small, obliquely bidentate. Maxillary palps probably 4-segmented; apical palpomere distinctly shortened.</paragraph>
|
||
<paragraph id="8BD536C1FFEC5744D188F9D23266B9CB" blockId="1.[151,1437,1364,2037]" pageId="1" pageNumber="294">Pronotal disc convex, widest at hind angles. Scutellar shield small, triangular, posteriorly acute. Elytra complete, covering all abdominal segments. Hind wing with long fringe hairs. Prosternum subtriangular, narrowing posteriad. Mesoventrite relatively long, on the same plane with metaventrite, fused with the latter. Mesocoxae widely separated. Metaventrite broad, transverse. Metacoxae contiguous, extending laterally to elytra; metacoxal plates gradually narrowed laterally in outer half. Legs short. Mesotrochanter fused with femur; anterior margin of mesotrochanterofemur sinuate. Tibiae and tarsi setose; metatarsus with very long setae. Pretarsal claws simple, unequal.</paragraph>
|
||
<paragraph id="8BD536C1FFEC5744D188F93A3419B9E7" blockId="1.[151,1437,1364,2037]" box="[199,568,1761,1785]" pageId="1" pageNumber="294">Abdomen with apex biemarginate.</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C370654AFFEC5746D188F8DE3729BFE9" lastPageId="3" lastPageNumber="296" pageId="1" pageNumber="294" type="discussion">
|
||
<paragraph id="8BD536C1FFEC5744D188F8DE337BB8EA" blockId="1.[151,1437,1364,2037]" pageId="1" pageNumber="294">
|
||
<emphasis id="B91EEAD3FFEC5744D188F8DE3715B803" bold="true" box="[199,308,1797,1821]" inLineHeading="true" pageId="1" pageNumber="294" reason="1">Remarks.</emphasis>
|
||
<bibRefCitation id="EFFB4B30FFEC5744D074F8DE3434B803" author="Fikacek, M. & Yamamoto, S. & Matsumoto, K. & Beutel, R. G. & Maddison, D. R." box="[315,533,1797,1821]" pageId="1" pageNumber="294" pagination="233 - 249" refId="ref1503" refString="Fikacek, M., Yamamoto, S., Matsumoto, K., Beutel, R. G. & Maddison, D. R. (2023) Phylogeny and systematics of Sphaeriusidae (Coleoptera: Myxophaga): minute living fossils with underestimated past and present-day diversity. Systematic Entomology, 48, 233 - 249. https: // doi. org / 10.1111 / syen. 12571" type="journal article" year="2023">
|
||
Fikáček
|
||
<emphasis id="B91EEAD3FFEC5744D0DBF8DE37E3B803" box="[404,450,1797,1821]" italics="true" pageId="1" pageNumber="294">et al</emphasis>
|
||
. (2023)
|
||
</bibRefCitation>
|
||
proposed a series of characters to define
|
||
<taxonomicName id="4C6A4D42FFEC5744D284F8DE326AB802" box="[971,1099,1797,1820]" class="Insecta" family="Sphaeriusidae" genus="Bezesporum" kingdom="Animalia" order="Coleoptera" pageId="1" pageNumber="294" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="B91EEAD3FFEC5744D284F8DE326AB802" box="[971,1099,1797,1820]" italics="true" pageId="1" pageNumber="294">Bezesporum</emphasis>
|
||
</taxonomicName>
|
||
. Among these, the 4-segmented antennal club and T-shaped prosternum may be found in some extant
|
||
<taxonomicName id="4C6A4D42FFEC5744D227F8F235F0B85F" box="[872,977,1833,1857]" class="Insecta" family="Sphaeriusidae" genus="Sphaerius" kingdom="Animalia" order="Coleoptera" pageId="1" pageNumber="294" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="B91EEAD3FFEC5744D227F8F235F0B85F" box="[872,977,1833,1857]" italics="true" pageId="1" pageNumber="294">Sphaerius</emphasis>
|
||
</taxonomicName>
|
||
(
|
||
<bibRefCitation id="EFFB4B30FFEC5744D291F8F23307B85F" author="Kamezawa, H. & Matsubara, Y." box="[990,1318,1833,1857]" pageId="1" pageNumber="294" pagination="25 - 27" refId="ref1716" refString="Kamezawa, H. & Matsubara, Y. (2012) A faunistic note on a species of the genus Sphaerius Waltl, 1838 (Myxophaga, Sphaeriusidae) collected from Tamagawa river, Tokyo Metropolis, central Honshu, Japan. Sayabane, 6, 25 - 27." type="journal article" year="2012">Kamezawa & Matsubara, 2012</bibRefCitation>
|
||
;
|
||
<bibRefCitation id="EFFB4B30FFEC5744D47EF8F236D7B87B" author="Fikacek, M. & Yamamoto, S. & Matsumoto, K. & Beutel, R. G. & Maddison, D. R." pageId="1" pageNumber="294" pagination="233 - 249" refId="ref1503" refString="Fikacek, M., Yamamoto, S., Matsumoto, K., Beutel, R. G. & Maddison, D. R. (2023) Phylogeny and systematics of Sphaeriusidae (Coleoptera: Myxophaga): minute living fossils with underestimated past and present-day diversity. Systematic Entomology, 48, 233 - 249. https: // doi. org / 10.1111 / syen. 12571" type="journal article" year="2023">
|
||
Fikáček
|
||
<emphasis id="B91EEAD3FFEC5744D4C6F8F2368AB87B" italics="true" pageId="1" pageNumber="294">et al</emphasis>
|
||
., 2023
|
||
</bibRefCitation>
|
||
), and the sinuate anterior margin of mesotrochanterofemur and the presence of long setae on metatarsus are known in the fossil
|
||
<taxonomicName id="4C6A4D42FFEC5744D059F8AA340BB897" authority="(Li et al., 2023)" baseAuthorityName="Li" baseAuthorityYear="2023" box="[278,554,1905,1929]" class="Insecta" family="Sphaeriusidae" genus="Sphaerius" kingdom="Animalia" order="Coleoptera" pageId="1" pageNumber="294" phylum="Arthropoda" rank="species" species="martini">
|
||
<emphasis id="B91EEAD3FFEC5744D059F8AA375FB896" box="[278,382,1905,1928]" italics="true" pageId="1" pageNumber="294">S. martini</emphasis>
|
||
(
|
||
<bibRefCitation id="EFFB4B30FFEC5744D0C5F8AA3403B897" author="Li, Y. - D. & Slipinski, A. & Huang, D. - Y. & Cai, C. - Y." box="[394,546,1905,1929]" pageId="1" pageNumber="294" refId="ref1857" refString="Li, Y. - D., Slipinski, A., Huang, D. - Y. & Cai, C. - Y. (2023) New fossils of Sphaeriusidae from mid-Cretaceous Burmese amber revealed by confocal microscopy (Coleoptera: Myxophaga). Frontiers in Earth Science, 10, 901573. https: // doi. org / 10.3389 / feart. 2022.901573" type="journal volume" year="2023">
|
||
Li
|
||
<emphasis id="B91EEAD3FFEC5744D0E7F8AA37F7B897" box="[424,470,1905,1929]" italics="true" pageId="1" pageNumber="294">et al</emphasis>
|
||
., 2023
|
||
</bibRefCitation>
|
||
)
|
||
</taxonomicName>
|
||
. Nevertheless, the anteriad converging clypeus and relatively long mesoventrite are, to date, exclusively known in
|
||
<taxonomicName id="4C6A4D42FFEC5744D09CF84E3472B8B2" box="[467,595,1941,1964]" class="Insecta" family="Sphaeriusidae" genus="Bezesporum" kingdom="Animalia" order="Coleoptera" pageId="1" pageNumber="294" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="B91EEAD3FFEC5744D09CF84E3472B8B2" box="[467,595,1941,1964]" italics="true" pageId="1" pageNumber="294">Bezesporum</emphasis>
|
||
</taxonomicName>
|
||
. The new species exhibits a 4-segmented antennal club, a T-shaped prosternum, a sinuate anterior margin of mesotrochanterofemur, long setae on metatarsus, and particularly, an anteriad converging clypeus and a relatively long mesoventrite. Therefore, the new species fits perfectly within the genus
|
||
<taxonomicName id="4C6A4D42FFEC5744D59EF8063372B8EA" box="[1233,1363,2013,2036]" class="Insecta" family="Sphaeriusidae" genus="Bezesporum" kingdom="Animalia" order="Coleoptera" pageId="1" pageNumber="294" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="B91EEAD3FFEC5744D59EF8063372B8EA" box="[1233,1363,2013,2036]" italics="true" pageId="1" pageNumber="294">Bezesporum</emphasis>
|
||
</taxonomicName>
|
||
.
|
||
</paragraph>
|
||
<caption id="DF156649FFEF5747D1D8FA343746B96D" ID-DOI="http://doi.org/10.5281/zenodo.14611767" ID-Zenodo-Dep="14611767" httpUri="https://zenodo.org/record/14611767/files/figure.png" pageId="2" pageNumber="295" startId="2.[151,250,1519,1543]" targetBox="[171,1417,181,1495]" targetPageId="2" targetType="figure">
|
||
<paragraph id="8BD536C1FFEF5747D1D8FA343746B96D" blockId="2.[151,1437,1519,1651]" pageId="2" pageNumber="295">
|
||
<emphasis id="B91EEAD3FFEF5747D1D8FA343736B919" bold="true" box="[151,279,1519,1543]" pageId="2" pageNumber="295">FIGURE 2.</emphasis>
|
||
<taxonomicName id="4C6A4D42FFEF5747D06EFA2B3425B919" authorityName="Li & Huang & Cai" authorityYear="2024" box="[289,516,1519,1543]" class="Insecta" family="Sphaeriusidae" genus="Bezesporum" kingdom="Animalia" order="Coleoptera" pageId="2" pageNumber="295" phylum="Arthropoda" rank="species" species="huchengi" status="sp. nov.">
|
||
<emphasis id="B91EEAD3FFEF5747D06EFA2B3425B919" box="[289,516,1519,1543]" italics="true" pageId="2" pageNumber="295">Bezesporum huchengi</emphasis>
|
||
</taxonomicName>
|
||
<emphasis id="B91EEAD3FFEF5747D342FA343443B919" bold="true" box="[525,610,1519,1543]" pageId="2" pageNumber="295">
|
||
<taxonomicNameLabel id="A22D57A8FFEF5747D342FA343443B919" box="[525,610,1519,1543]" pageId="2" pageNumber="295" rank="species">sp. nov.</taxonomicNameLabel>
|
||
</emphasis>
|
||
, holotype, NIGP204941, under confocal microscopy.
|
||
<emphasis id="B91EEAD3FFEF5747D5D2FA34328EB919" bold="true" box="[1181,1199,1519,1543]" pageId="2" pageNumber="295">A</emphasis>
|
||
, Habitus, dorsal view.
|
||
<emphasis id="B91EEAD3FFEF5747D1D8F9C83689B935" bold="true" box="[151,168,1555,1579]" pageId="2" pageNumber="295">B</emphasis>
|
||
, Habitus, ventral view.
|
||
<emphasis id="B91EEAD3FFEF5747D0EFF9C83793B935" bold="true" box="[416,434,1555,1579]" pageId="2" pageNumber="295">C</emphasis>
|
||
, Head and prothorax, ventral view.
|
||
<emphasis id="B91EEAD3FFEF5747D266F9C8351AB935" bold="true" box="[809,827,1555,1579]" pageId="2" pageNumber="295">D</emphasis>
|
||
, Hind leg, with arrow indicating long setae on metatarsus. Abbreviations: a5–11, antennomeres 5–11; cl, clypeus; msv, mesoventrite; mtts, metatarsus; mxp, maxillary palp; ps, prosternum. Scale bars: 100 mm.
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="8BD536C1FFEF5746D188F91C3729BFE9" blockId="2.[151,1437,1735,2011]" lastBlockId="3.[151,1436,151,247]" lastPageId="3" lastPageNumber="296" pageId="2" pageNumber="295">
|
||
The elongate antennomere 6 is diagnostic of the new species. According to the drawing by
|
||
<bibRefCitation id="EFFB4B30FFEF5747D5FEF91C33B9B9C1" author="Fikacek, M. & Yamamoto, S. & Matsumoto, K. & Beutel, R. G. & Maddison, D. R." box="[1201,1432,1735,1759]" pageId="2" pageNumber="295" pagination="233 - 249" refId="ref1503" refString="Fikacek, M., Yamamoto, S., Matsumoto, K., Beutel, R. G. & Maddison, D. R. (2023) Phylogeny and systematics of Sphaeriusidae (Coleoptera: Myxophaga): minute living fossils with underestimated past and present-day diversity. Systematic Entomology, 48, 233 - 249. https: // doi. org / 10.1111 / syen. 12571" type="journal article" year="2023">
|
||
Fikáček
|
||
<emphasis id="B91EEAD3FFEF5747D441F913331FB9C1" box="[1294,1342,1735,1759]" italics="true" pageId="2" pageNumber="295">et al</emphasis>
|
||
. (2023)
|
||
</bibRefCitation>
|
||
, the antennomere 6 of the fossil
|
||
<emphasis id="B91EEAD3FFEF5747D34EF93734BEB81D" box="[513,671,1771,1795]" italics="true" pageId="2" pageNumber="295">B. burmiticum</emphasis>
|
||
is not clearly longer than the antennomere 5. In extant
|
||
<emphasis id="B91EEAD3FFEF5747D453F93733BDB81D" box="[1308,1436,1772,1795]" italics="true" pageId="2" pageNumber="295">B. minutum</emphasis>
|
||
(Liang & Jia), the antennomere 6 is no longer than 1.4× the length of antennomere 5 (
|
||
<bibRefCitation id="EFFB4B30FFEF5747D51FF8D4333EB839" author="Liang, Z. - L. & Jia, F." box="[1104,1311,1807,1831]" pageId="2" pageNumber="295" pagination="115 - 121" refId="ref1927" refString="Liang, Z. - L. & Jia, F. (2018) A new species of Sphaerius Waltl from China (Coleoptera, Myxophaga, Sphaeriusidae). ZooKeys, 808, 115 - 121. https: // doi. org / 10.3897 / zookeys. 808.30600" type="journal article" year="2018">Liang & Jia, 2018</bibRefCitation>
|
||
: fig. 8). By contrast, the antennomere 6 of
|
||
<taxonomicName id="4C6A4D42FFEF5747D0BEF8EF3454B855" authorityName="Li & Huang & Cai" authorityYear="2024" box="[497,629,1843,1867]" class="Insecta" family="Sphaeriusidae" genus="Bezesporum" kingdom="Animalia" order="Coleoptera" pageId="2" pageNumber="295" phylum="Arthropoda" rank="species" species="huchengi" status="sp. nov.">
|
||
<emphasis id="B91EEAD3FFEF5747D0BEF8EF3454B855" box="[497,629,1843,1867]" italics="true" pageId="2" pageNumber="295">B. huchengi</emphasis>
|
||
</taxonomicName>
|
||
<emphasis id="B91EEAD3FFEF5747D332F8E834F7B855" bold="true" box="[637,726,1843,1867]" pageId="2" pageNumber="295">
|
||
<taxonomicNameLabel id="A22D57A8FFEF5747D332F8E834F7B855" box="[637,726,1843,1867]" pageId="2" pageNumber="295" rank="species">sp. nov.</taxonomicNameLabel>
|
||
</emphasis>
|
||
is relatively elongate, being 1.7–1.9× as long as antennomere 5 (based on measurements from both antennae) (
|
||
<figureCitation id="13512A44FFEF5747D3D7F88C34CFB871" box="[664,750,1879,1903]" captionStart="FIGURE 2" captionStartId="2.[151,250,1519,1543]" captionTargetBox="[171,1417,181,1495]" captionTargetId="figure-24@2.[171,1417,181,1495]" captionTargetPageId="2" captionText="FIGURE 2. Bezesporum huchengi sp. nov., holotype, NIGP204941, under confocal microscopy. A, Habitus, dorsal view. B, Habitus, ventral view. C, Head and prothorax, ventral view. D, Hind leg, with arrow indicating long setae on metatarsus. Abbreviations:a5–11, antennomeres 5–11; cl, clypeus; msv, mesoventrite; mtts, metatarsus; mxp, maxillary palp; ps, prosternum. Scale bars: 100 mm." figureDoi="http://doi.org/10.5281/zenodo.14611767" httpUri="https://zenodo.org/record/14611767/files/figure.png" pageId="2" pageNumber="295">Fig. 2C</figureCitation>
|
||
). The relative length of antennomere 6 of the extant species
|
||
<emphasis id="B91EEAD3FFEF5747D4CAF883372FB88D" italics="true" pageId="2" pageNumber="295">B. papulosum</emphasis>
|
||
(Lesne) was not explicitly described by Lesne (1940), but since
|
||
<bibRefCitation id="EFFB4B30FFEF5747D2AEF8A03294B88D" author="Liang, Z. - L. & Jia, F." box="[993,1205,1915,1939]" pageId="2" pageNumber="295" pagination="115 - 121" refId="ref1927" refString="Liang, Z. - L. & Jia, F. (2018) A new species of Sphaerius Waltl from China (Coleoptera, Myxophaga, Sphaeriusidae). ZooKeys, 808, 115 - 121. https: // doi. org / 10.3897 / zookeys. 808.30600" type="journal article" year="2018">Liang & Jia (2018)</bibRefCitation>
|
||
stated
|
||
<emphasis id="B91EEAD3FFEF5747D44AF8A733BDB88D" box="[1285,1436,1915,1939]" italics="true" pageId="2" pageNumber="295">B. papulosum</emphasis>
|
||
closely resembles
|
||
<emphasis id="B91EEAD3FFEF5747D02BF87B37C5B8A9" box="[356,484,1952,1975]" italics="true" pageId="2" pageNumber="295">B. minutum</emphasis>
|
||
, it might also have a relatively short antennomere 6. Besides, Lesne (1940) reported that antennomere
|
||
<quantity id="4C929B24FFEF5747D014F81837A4B8C5" box="[347,389,1987,2011]" metricMagnitude="-2" metricUnit="m" metricValue="7.62" pageId="2" pageNumber="295" unit="in" value="3.0">3 in</quantity>
|
||
<emphasis id="B91EEAD3FFEF5747D0C3F81F3403B8C5" box="[396,546,1987,2011]" italics="true" pageId="2" pageNumber="295">B. papulosum</emphasis>
|
||
is much longer than antennomeres 4–8 combined (possibly also implying a short antennomere 6), whereas the antennomere 3 is clearly shorter than antennomeres 4–8 combined in
|
||
<taxonomicName id="4C6A4D42FFEE5746D5AFFF433342BFB1" authorityName="Li & Huang & Cai" authorityYear="2024" box="[1248,1379,151,175]" class="Insecta" family="Sphaeriusidae" genus="Bezesporum" kingdom="Animalia" order="Coleoptera" pageId="3" pageNumber="296" phylum="Arthropoda" rank="species" species="huchengi">
|
||
<emphasis id="B91EEAD3FFEE5746D5AFFF433342BFB1" box="[1248,1379,151,175]" italics="true" pageId="3" pageNumber="296">B. huchengi</emphasis>
|
||
</taxonomicName>
|
||
. Our discovery of a new species from the
|
||
<collectingRegion id="49AEF823FFEE5746D378FF6034A7BFCD" box="[567,646,187,211]" country="Myanmar" name="Kachin" pageId="3" pageNumber="296">Kachin</collectingRegion>
|
||
amber underscores the rich paleodiversity of
|
||
<taxonomicName id="4C6A4D42FFEE5746D5C5FF603302BFCD" authorityName="Erichson" authorityYear="1845" box="[1162,1315,187,211]" class="Insecta" family="Sphaeriusidae" kingdom="Animalia" order="Coleoptera" pageId="3" pageNumber="296" phylum="Arthropoda" rank="family">Sphaeriusidae</taxonomicName>
|
||
in the late Mesozoic.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |