177 lines
22 KiB
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177 lines
22 KiB
XML
<document id="CE621C521ACBE958BED0ADBAA8450AD7" ID-CLB-Dataset="51679" ID-DOI="10.5281/zenodo.28657" ID-GBIF-Dataset="46840257-539d-49dc-98d1-064aa7844558" checkinTime="1440144952277" checkinUser="jeremy" docAuthor="Dankittipakul, Pakawin & Singtripop, Tippawan" docDate="2014" docId="03FC87927E16FFF5B0B186EDFC15FADA" docLanguage="en" docName="12784_Dankittipakul_&_Singtripop_2014_Rev_121_383_394.pdf.imf" docOrigin="Revue Suisse De Zoologie 121" docTitle="Otacilia truncata Dankittipakul & Singtripop, 2014, sp. n." docType="treatment" docVersion="14" lastPageNumber="383" masterDocId="FFC5FFEA7E17FFF0B0268271FFF4FFF3" masterDocTitle="New species and new records of the spider genus Otacilia Thorell, 1897 (Araneae, Corinnidae) from Southeast Asia" masterLastPageNumber="394" masterPageNumber="383" pageNumber="383" updateTime="1732782647284" updateUser="ExternalLinkService">
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<mods:mods id="5E7AF4735F888363A83507289A6D81E9" xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:titleInfo id="05B0F875643E51C94F32F1B12CB0B20C">
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<mods:title id="900B19661F39185CFF68107F5F606A11">New species and new records of the spider genus Otacilia Thorell, 1897 (Araneae, Corinnidae) from Southeast Asia</mods:title>
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<mods:name id="A455472FA044701A48F871C5F9E34657" type="personal">
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<mods:namePart id="8A1772112B032944F88A8AD6DA7D572B">Dankittipakul, Pakawin</mods:namePart>
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<mods:roleTerm id="9F4B8FE90A88D811CCF0ED71BF936FD4">Author</mods:roleTerm>
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<mods:namePart id="5FDFE540B14A7AE329F9C3AACE96452A">Singtripop, Tippawan</mods:namePart>
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<mods:typeOfResource id="473CAD527DAA67508C33C4AC6E3C1C16">text</mods:typeOfResource>
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<mods:title id="EB30F9AD8ABEFAADB5F692BAF8146889">Revue Suisse De Zoologie</mods:title>
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</mods:titleInfo>
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<mods:part id="18EBBE87A3ACE6F9E531F201923BB35A">
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<mods:date id="BD9A6EAD7ECB57FFFE1153132ADEE3E3">2014</mods:date>
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<mods:detail id="4B38EE13D26347AFC114A517BF343EED" type="volume">
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<mods:number id="0A007EAC479BDB8D181083FE4AEEC1B2">121</mods:number>
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<mods:start id="22CE2D8F99B37EE2B2443E55DB51BF0A">383</mods:start>
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<mods:end id="ADAFD0E7F44E02D5B1A036B4E542C95D">394</mods:end>
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<mods:classification id="2D1B39F5AAAEC1C1ACF85819DBCFEC74">journal article</mods:classification>
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<mods:identifier id="39DE4153C73A0488DF2971E15A7F3327" type="DOI">10.5281/zenodo.28657</mods:identifier>
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<treatment id="03FC87927E16FFF5B0B186EDFC15FADA" ID-DOI="http://doi.org/10.5281/zenodo.6139249" ID-GBIF-Taxon="116936500" ID-Zenodo-Dep="6139249" LSID="urn:lsid:plazi:treatment:03FC87927E16FFF5B0B186EDFC15FADA" httpUri="http://treatment.plazi.org/id/03FC87927E16FFF5B0B186EDFC15FADA" lastPageId="5" lastPageNumber="383" pageId="0" pageNumber="383" scope_family="Corinnidae" scope_order="Araneae">
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<subSubSection id="284867805FFB2AC227642B09F66AB564" pageId="0" pageNumber="383" type="nomenclature">
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<paragraph id="8BEA36847E16FFF1B0B186EDFBC5FB47" box="[151,1073,1180,1204]" pageId="0" pageNumber="383">
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<taxonomicName id="4C554D077E16FFF1B0B186EDFEA7FB47" box="[151,339,1180,1204]" class="Arachnida" family="Corinnidae" genus="Otacilia" higherTaxonomySource="GBIF,CoL" kingdom="Animalia" order="Araneae" pageId="0" pageNumber="383" phylum="Arthropoda" rank="species" species="truncata" status="sp. n.">
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<emphasis id="B921EA967E16FFF1B0B186EDFEA7FB47" bold="true" box="[151,339,1180,1204]" italics="true" pageId="0" pageNumber="383">Otacilia truncata</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="A21257ED7E16FFF1B17D86ECFE60FB47" box="[347,404,1181,1204]" pageId="0" pageNumber="383" rank="species">sp. n.</taxonomicNameLabel>
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Figs 1-16
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</paragraph>
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</subSubSection>
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<subSubSection id="A1E671CC6162B046B895EFDB4A9A6EE9" pageId="0" pageNumber="383" type="materials_examined">
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<paragraph id="8BEA36847E16FFF1B0C586CEFC78FB1D" pageId="0" pageNumber="383">HOLOTYPE: ♂; Thailand, Chiang Mai Province and District, Doi Suthep-Pui National Park, 1180 m; pitfall traps 28.IV.-30.V.1986; leg. P.J. Schwendinger (MHNG).</paragraph>
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<paragraph id="8BEA36847E16FFF1B0C58686FCFAFAFE" box="[227,782,1268,1293]" pageId="0" pageNumber="383">PARATYPES: 3♀, 3♂; same data as for holotype (MHNG).</paragraph>
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</subSubSection>
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<subSubSection id="EEF953D7BEBCB9D11CDFF30FBF25718E" pageId="0" pageNumber="383" type="diagnosis">
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<paragraph id="8BEA36847E16FFF1B0C5876AFC59FA20" pageId="0" pageNumber="383">
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DIAGNOSIS: The male of
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<taxonomicName id="4C554D077E16FFF1B1D4876AFD9BFAC0" box="[498,623,1307,1331]" class="Arachnida" family="Corinnidae" genus="Otacilia" higherTaxonomySource="GBIF,CoL" kingdom="Animalia" order="Araneae" pageId="0" pageNumber="383" phylum="Arthropoda" rank="species" species="truncata" status="sp. n.">
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<emphasis id="B921EA967E16FFF1B1D4876AFD9BFAC0" box="[498,623,1307,1331]" italics="true" pageId="0" pageNumber="383">O. truncata</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="A21257ED7E16FFF1B25E876AFD47FAC0" box="[632,691,1307,1331]" pageId="0" pageNumber="383" rank="species">sp. n.</taxonomicNameLabel>
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can be distinguished from its congeners by the thick and sinuous retrolateral palpal tibial apophysis (Figs 1, 4, 7, 9-10, 12), by the dorsal tibial apophysis gradually tapering then abruptly becoming a threadlike filament at its half length (Figs 2-4, 11), and by the sigmoid membranous conductor (Fig. 1). The female can be recognized by the elongated V-shaped copulatory ducts (Figs 5-6, 13) connected to posteriorly located spermathecae (Figs 6, 13).
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</paragraph>
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</subSubSection>
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<subSubSection id="5D6A94373BDBA9AF3287AF65F8A50B6A" pageId="0" pageNumber="383" type="discussion">
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<paragraph id="2FB1A236270E18BAA0DD016BB2998AED" pageId="0" pageNumber="383">
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RELATIONSHIP: Males of this new species resemble those of
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<taxonomicName id="4C554D077E16FFF1B3428791FC41FA0B" box="[868,949,1504,1528]" class="Arachnida" family="Corinnidae" genus="Otacilia" higherTaxonomySource="GBIF,CoL" kingdom="Animalia" order="Araneae" pageId="0" pageNumber="383" phylum="Arthropoda" rank="species" species="onoi">
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<emphasis id="B921EA967E16FFF1B3428791FC41FA0B" box="[868,949,1504,1528]" italics="true" pageId="0" pageNumber="383">O. onoi</emphasis>
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</taxonomicName>
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Deeleman- Reinhold, 2001 (RMNH, examined) in having a large, apical conductor and a curved embolus, but differ in having a palpal tibial apophysis of different shape. Females closely resemble those of
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<taxonomicName id="4C554D077E16FFF1B1888431FD1FF9AB" authority="Thorell, 1897" authorityName="Thorell" authorityYear="1897" box="[430,747,1600,1624]" class="Arachnida" family="Corinnidae" genus="Otacilia" higherTaxonomySource="GBIF,CoL" kingdom="Animalia" order="Araneae" pageId="0" pageNumber="383" phylum="Arthropoda" rank="species" species="armatissima">
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<emphasis id="B921EA967E16FFF1B1888431FDA7F9AB" box="[430,595,1600,1624]" italics="true" pageId="0" pageNumber="383">O. armatissima</emphasis>
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Thorell, 1897
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</taxonomicName>
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(MSNG, examined) in having elongated, V-shaped copulatory ducts, but in
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<taxonomicName id="4C554D077E16FFF1B2A88411FCC2F98B" box="[654,822,1632,1656]" class="Arachnida" family="Corinnidae" genus="Otacilia" higherTaxonomySource="GBIF,CoL" kingdom="Animalia" order="Araneae" pageId="0" pageNumber="383" phylum="Arthropoda" rank="species" species="armatissima">
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<emphasis id="B921EA967E16FFF1B2A88411FCC2F98B" box="[654,822,1632,1656]" italics="true" pageId="0" pageNumber="383">O. armatissima</emphasis>
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</taxonomicName>
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the epigynal region is much wider, occupying the entire epigastric region. The spermathecae of
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<taxonomicName id="4C554D077E15FFF2B3808699FF4EFAD3" class="Arachnida" family="Corinnidae" genus="Otacilia" higherTaxonomySource="GBIF,CoL" kingdom="Animalia" order="Araneae" pageId="0" pageNumber="383" phylum="Arthropoda" rank="species" species="armatissima">
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<emphasis id="B921EA967E15FFF2B3808699FF4EFAD3" italics="true" pageId="0" pageNumber="383">O. armatissima</emphasis>
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</taxonomicName>
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are digitiform (multilocular in
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<taxonomicName id="4C554D077E15FFF2B22A8779FD73FAD3" box="[524,647,1288,1312]" class="Arachnida" family="Corinnidae" genus="Otacilia" higherTaxonomySource="GBIF,CoL" kingdom="Animalia" order="Araneae" pageId="0" pageNumber="383" phylum="Arthropoda" rank="species" species="truncata" status="sp. n.">
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<emphasis id="B921EA967E15FFF2B22A8779FD73FAD3" box="[524,647,1288,1312]" italics="true" pageId="0" pageNumber="383">O. truncata</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="A21257ED7E15FFF2B2A98778FD3CFAD3" box="[655,712,1289,1312]" pageId="0" pageNumber="383" rank="species">sp. n.</taxonomicNameLabel>
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, Figs 6, 13).
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</paragraph>
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</subSubSection>
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<subSubSection id="70828F62E12AD9802CE7616293163E52" pageId="0" pageNumber="383" type="multiple">
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<caption id="7239AC730B182009C393F4C6FB86CD76" pageId="0" pageNumber="383">
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<paragraph id="C7016CDE9BF3179CDA0CA85ED57E24FC" box="[557,638,1039,1060]" pageId="0" pageNumber="383">
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<heading id="2F2605AF6B81AC2BCFD35267E03C9912" allCaps="true" box="[557,638,1039,1060]" centered="true" fontSize="9" level="2" pageId="0" pageNumber="383" reason="4">FIGS 1-6</heading>
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</paragraph>
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<paragraph id="5C78B02E21F4391AE2F09D2689B9CE74" pageId="0" pageNumber="383">
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<taxonomicName id="DBD8AA248E3862CD6896C00AF4897A67" box="[136,302,1069,1091]" class="Arachnida" family="Corinnidae" genus="Otacilia" higherTaxonomySource="GBIF,CoL" kingdom="Animalia" order="Araneae" pageId="0" pageNumber="383" phylum="Arthropoda" rank="species" species="truncata" status="sp. n.">
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<emphasis id="674AAEF3DB609AAC045683EFA47B693A" box="[136,302,1069,1091]" italics="true" pageId="0" pageNumber="383">Otacilia truncata</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="268BDF3C5AF815A4EFF775932603A9B5" box="[308,359,1070,1091]" pageId="0" pageNumber="383" rank="species">sp. n.</taxonomicNameLabel>
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, male holotype (1-4), female paratype (5-6). (1) Male palp, ventral view. (2) Same, retrolateral view. (3) Same, prolateral view. (4) Same, dorsal view. (5) Epigyne, ventral view. (6) Internal genitalia, dorsal view. Abbreviations: A, epigynal atrium; B, membranous anterior bursa; C, conductor; CO, copulatory orifice; D, epigynal depression; DTA, dorsal tibial apophysis; E, embolus; FD, fertilization duct; FR, ventral femoral ridge; RTA, retrolateral tibial apophysis; S, spermatheca; SD, sperm duct; T, tegulum. Scale lines = 0.1 mm.
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</paragraph>
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</caption>
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</subSubSection>
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<subSubSection id="4DE5DE507EA3B812B2DEE3ED61CA13A8" pageId="0" pageNumber="383" type="etymology">
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<paragraph id="8BEA36847E15FFF2B0F28742FED6FA98" pageId="0" pageNumber="383">ETYMOLOGY: The specific epithet refers to the large, truncated RTA of the male palp (Fig. 12).</paragraph>
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</subSubSection>
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<subSubSection id="2EE7A6FAD01FD81D786BB70B96A39211" pageId="0" pageNumber="383" type="description">
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<paragraph id="8BEA36847E15FFF2B0F2870FFE2BFA46" pageId="0" pageNumber="383">DESCRIPTION OF MALE (HOLOTYPE): Total length 3.5; prosoma 1.6 long, 1.4 wide; opisthosoma 1.9 long, 1.0 wide.</paragraph>
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<paragraph id="CCEEB251D113B2D9EC12DE3036D0A120" lastPageId="3" lastPageNumber="386" pageId="0" pageNumber="383">
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<emphasis id="B921EA967E15FFF2B0F287B2FEC7FA28" box="[212,307,1475,1499]" italics="true" pageId="0" pageNumber="383">Prosoma</emphasis>
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: Broadest between coxae II and III, narrowed in cephalic region at coxae I, in profile highest just in front of fovea. Carapace yellowish brown, with dark green striae radiating from black, longitudinal fovea. Sternum yellow, subovoid, slightly longer than wide, posteriorly bluntly pointed, devoid of distinctive projection between leg coxae. Labium wider than long, anterior margin slightly curved. Palpal coxae subrectangular, with thin apical scopulae. Cheliceral fang slender, moderately long; fang grooves with three promarginal and two retromarginal teeth; frontal surface of chelicerae each with two slender bristles.
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</paragraph>
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<caption id="0C0965FFE0E4CF5F57D28CD721D4FEB3" pageId="0" pageNumber="383">
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<paragraph id="78CCE48301AE73A55CD122FF51B98C85" box="[566,659,984,1005]" pageId="0" pageNumber="383">
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<heading id="889787BD4E53E84308BB8ADF2331E908" allCaps="true" box="[566,659,984,1005]" centered="true" fontSize="9" level="2" pageId="0" pageNumber="383" reason="4">FIGS 7-12</heading>
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</paragraph>
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<paragraph id="39D9C065C53E57A02BDA0E94D53E9B37" pageId="0" pageNumber="383">
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<taxonomicName id="22C3386FF2F22E89591981524BADBB15" box="[151,318,1014,1036]" class="Arachnida" family="Corinnidae" genus="Otacilia" higherTaxonomySource="GBIF,CoL" kingdom="Animalia" order="Araneae" pageId="0" pageNumber="383" phylum="Arthropoda" rank="species" species="truncata" status="sp. n.">
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<emphasis id="14AF2158B2BA272FBF2ED66CA2D07702" box="[151,318,1014,1036]" italics="true" pageId="0" pageNumber="383">Otacilia truncata</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="F70586B3FBFE2027664EE514E1DB70C8" box="[325,377,1015,1036]" pageId="0" pageNumber="383" rank="species">sp. n.</taxonomicNameLabel>
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, expanded right male palp. (7) Distal articles of palp, retroventral view. (8) Tegulum, ventral view. (9) Apex of RTA showing lumen, dorsal view. (10) Distal articles of palp showing RTA, dorsal view. (11) Same showing DTA, dorsal view. (12) Apex of RTA showing truncate tip, dorsal view. Abbreviations: C, conductor; DTA, dorsal tibial apophysis; E, embolus; FR, ventral femoral ridge; RTA, retrolateral tibial apophysis; SD, sperm duct; T, tegulum.
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</paragraph>
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</caption>
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<paragraph id="8BEA36847E14FFF3B0C5868CFDA6FA47" pageId="0" pageNumber="383">
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<emphasis id="B921EA967E14FFF3B0C5868CFEE1FAE7" box="[227,277,1277,1300]" italics="true" pageId="0" pageNumber="383">Eyes</emphasis>
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: Eight eyes arranged in two rows, occupying almost entire attenuated cephalic region; AER straight, PER slightly recurved; PME smallest, other eyes subequal in size; PME pale and circular, others circled with black, diffuse ring. Eye sizes and interdistances: AME 0.08, ALE 0.10, PME 0.08, PLE 0.09; AME-AME 0.14, AME-ALE 0.12, PME-PME 0.18, PME-PLE 0.10, ALE-PLE 0.08; MOQ 0.30 long, anterior width 0.22, posterior width 0.25.
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</paragraph>
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<paragraph id="AA4F6C7944B1D09F72678B0C70740507" lastPageId="4" lastPageNumber="387" pageId="0" pageNumber="383">
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<emphasis id="B921EA967E14FFF3B0C587B3FEE1FA2A" box="[227,277,1474,1497]" italics="true" pageId="0" pageNumber="383">Legs</emphasis>
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: Leg formula 4123. Measurements: leg I 7.3 (1.6, 2.6, 1.7, 1.4); leg II 4.7 (1.3, 1.6, 1.0, 0.8); leg III 4.1 (1.1, 1.3, 0.8, 0.9); leg IV 8.4 (2.1, 2.4, 2.0, 1.9). Legs pale yellow, armed with orange-brown spines. Spination: all femora armed with two dorsal bristles situated in proximal half, widely separated on posterior legs; femora I and II with three elongated prolateral spines; tibia I with six pairs of ventral spines; metatarsi I and II with three pairs of ventral spines; tibia II with seven pairs of ventral spines; femora III and IV lacking prolateral spines; other leg segments devoid of large spines.
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</paragraph>
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<caption id="B32068C615912C2BA258D920044101F1" pageId="0" pageNumber="383">
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<paragraph id="04C924CC2F70157ED656EFBDF0ED925E" box="[545,650,1193,1215]" pageId="0" pageNumber="383">
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<heading id="414985CDEF91F1A216A1F8628C456B6D" allCaps="true" box="[545,650,1193,1215]" centered="true" fontSize="9" level="2" pageId="0" pageNumber="383" reason="4">FIGS 13-19</heading>
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</paragraph>
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<paragraph id="03A46650C5417E39E5BEF27FAFC6B455" pageId="0" pageNumber="383">
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<taxonomicName id="87ACD7D41D8B887461A31FBCB3351D59" box="[136,301,1224,1245]" class="Arachnida" family="Corinnidae" genus="Otacilia" higherTaxonomySource="GBIF,CoL" kingdom="Animalia" order="Araneae" pageId="0" pageNumber="383" phylum="Arthropoda" rank="species" species="truncata" status="sp. n.">
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<emphasis id="EE0C57D6BCBA9E615E1A7B6158DD4FC7" box="[136,301,1224,1245]" italics="true" pageId="0" pageNumber="383">Otacilia truncata</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="7448FE18BB0C1F6817A16F239189B71F" box="[307,357,1224,1245]" pageId="0" pageNumber="383" rank="species">sp. n.</taxonomicNameLabel>
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, female paratype (13-16);
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<taxonomicName id="FE8EC58B7FCCA8D6D1D0125CFDF9FC5E" box="[611,727,1224,1245]" class="Arachnida" family="Corinnidae" genus="Otacilia" higherTaxonomySource="GBIF,CoL" kingdom="Animalia" order="Araneae" pageId="0" pageNumber="383" phylum="Arthropoda" rank="species" species="bifurcata" status="sp. n.">
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<emphasis id="2E3E505BFD0F50A4B1C4659CCAE4FA6C" box="[611,727,1224,1245]" italics="true" pageId="0" pageNumber="383">O. bifurcata</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="E303C88907422B54A78B57A94D4504AF" box="[732,783,1224,1245]" pageId="0" pageNumber="383" rank="species">sp. n.</taxonomicNameLabel>
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, male holotype (17-19). (13) Internal genitalia, dorsal view. (14) Copulatory orifice, dorsal view. (15) Proximal part of copulatory duct with opening of anterior membranous bursa (indicated by arrow), dorsal view. (16) Secretory plug deposited in epigynal depression, ventral view. (17) Male palp, retrolateral view. (18) Basal spike of embolus (indicated by arrow), retrolateral view. (19) Same, enlarged. Abbreviations: B, membranous anterior bursa; CD, copulatory duct; CO, copulatory orifice; D, epigynal depression; FD, fertilization duct; S, spermatheca.
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</paragraph>
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</caption>
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<paragraph id="8BEA36847E13FFF4B0F287ACFC0AF9C6" pageId="0" pageNumber="383">
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<emphasis id="B921EA967E13FFF4B0F287ACFE94FA06" box="[212,352,1501,1525]" italics="true" pageId="0" pageNumber="383">Opisthosoma</emphasis>
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: Elongate-ovoid, slightly widened posteriorly, sparsely clothed with fine pubescence. Dorsal scutum absent. Dorsum entirely dark green, except for pale yellow cardiac area. Venter pale yellow, posteriorly with dark greenish bands.
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</paragraph>
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<paragraph id="8BEA36847E13FFF5B0F28432FEC4FE2F" lastPageId="5" lastPageNumber="388" pageId="0" pageNumber="383">
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<emphasis id="B921EA967E13FFF4B0F28432FEF2F9A8" box="[212,262,1603,1627]" italics="true" pageId="0" pageNumber="383">Palp</emphasis>
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(Figs 1-4, 7-12): Femur with subtriangular translucent ridge (Figs 2-3, 7). Retrolateral tibial apophysis represented by enlarged, sinuous prong (Figs 1, 4, 7, 9-10, 12); its anterior and posterior margins parallel in retrolateral view (Fig. 2); microscopically with narrow lumen running throughout its length (Figs 7, 9, 12). Dorsal tibial apophysis consisting of broad proximal region gradually tapering in proximal part and abruptly becoming a thin filament at half length (Figs 2-4, 11); tip of distal filament bent (Fig. 4). Tegulum ovoid, with sigmoid sperm duct located distally (Fig. 1). Embolus hook-shaped, sclerotized, originating distoprolaterally, its sharp apex pointing retrolaterad (Figs 1, 8). Conductor membranous, sigmoid, situated posterior to embolus (Fig. 1).
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</paragraph>
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<paragraph id="8BEA36847E12FFF5B0C5839DFCAEFD37" pageId="0" pageNumber="383">DESCRIPTION OF FEMALE (PARATYPE): Total length 5.4; prosoma 2.2 long, 2.0 wide; opisthosoma 3.2 long, 2.6 wide. Eye sizes and interdistances: AME 0.10, ALE 0.10, PME 0.08, PLE 0.09; AME-AME 0.10, AME-ALE 0.14, PME-PME 0.24, PME- PLE 0.12, ALE-PLE 0.30; MOQ 0.32 long, anterior width 0.22, posterior width 0.26. Leg formula 1423. Measurements: leg I 8.6 (2.2, 3.1, 1.5, 1.8); leg II 6.8 (1.9, 2.3, 1.1, 1.5); leg III 5.5 (1.7, 1.6, 1.4, 0.8); leg IV 7.7 (2.4, 2.2, 2.0, 1.1). General appearance as in male but larger. Dorsum of opisthosoma entirely dark green.</paragraph>
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<paragraph id="8BEA36847E12FFF5B0C580A0FC1AFC1A" pageId="0" pageNumber="383">
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<emphasis id="B921EA967E12FFF5B0C580A0FEBCFD1A" box="[227,328,721,745]" italics="true" pageId="0" pageNumber="383">Genitalia</emphasis>
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(Figs 5-6, 13-16): Epigynal region lightly sclerotized, delimited from epigastric area by a distinct margin. Epigynal depressions (Figs 5-6) shallow, semicircular, with deeper crescent-shaped atrium (Fig. 5). Copulatory orifices circular (Figs 5-6, 13-14). Copulatory ducts with thick-walled anterior part, aligned horizontally (Figs 6, 14-15); posterior part thin and narrow, descending obliquely to connect with posteriorly-located spermathecae (Figs 5-6, 13). Spermathecae consisting of three chambers, posterior one subspherical (Figs 6, 13). Fertilization ducts lanceolate, originating from anterior chamber of spermathecae (Figs 6, 13). Anterior membranous bursae spherical, opening into anterior part of copulatory ducts (Figs 6, 13, 15).
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</paragraph>
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<paragraph id="8BEA36847E12FFF5B0C5818DFCA9FB47" pageId="0" pageNumber="383">VARIATION: There appear to be seven (instead of six) retroventral spines on tibia II in one of the male paratypes. A mating plug on one side of the epigynal atrium apparently has changed the configuration of the internal duct system (Figs 5-6, 13, 16). This raises the question whether previously described specimens with a similar plug in situ require cleaning to ensure appropriate identification and comparison. Although the differences may be modest, they should be observed with caution.</paragraph>
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</subSubSection>
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<subSubSection id="9E3A78228637302ED3EADCF869019E5B" pageId="0" pageNumber="383" type="biology_ecology">
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<paragraph id="8BEA36847E12FFF5B0C586B6FD36FB0C" pageId="0" pageNumber="383">
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NATURAL HISTORY: All type specimens of
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<taxonomicName id="4C554D077E12FFF5B28E86B6FCD1FB2C" box="[680,805,1223,1247]" class="Arachnida" family="Corinnidae" genus="Otacilia" higherTaxonomySource="GBIF,CoL" kingdom="Animalia" order="Araneae" pageId="0" pageNumber="383" phylum="Arthropoda" rank="species" species="truncata" status="sp. n.">
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<emphasis id="B921EA967E12FFF5B28E86B6FCD1FB2C" box="[680,805,1223,1247]" italics="true" pageId="0" pageNumber="383">O. truncata</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="A21257ED7E12FFF5B30886B6FC9DFB2C" box="[814,873,1223,1247]" pageId="0" pageNumber="383" rank="species">sp. n.</taxonomicNameLabel>
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were collected by means of pitfall trapping in an evergreen hill forest.
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</paragraph>
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</subSubSection>
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<subSubSection id="11C6AC6F87057E71713CAAD30F06F037" pageId="0" pageNumber="383" type="distribution">
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<paragraph id="8BEA36847E12FFF5B0C58763FC15FADA" box="[227,993,1297,1321]" pageId="0" pageNumber="383">DISTRIBUTION: Known only from the type locality in northern Thailand.</paragraph>
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</subSubSection>
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</treatment>
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</document> |