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<document ID-DOI="http://dx.doi.org/10.3897/zookeys.1118.89337" ID-Pensoft-Pub="1313-2970-1118-39" ID-Pensoft-UUID="589B068EE1E154AE96E66DB5BBAFB1BD" ID-ZooBank="D21C9E91A428419EAC6ED5C82CEF6295" ModsDocID="1313-2970-1118-39" checkinTime="1660884389204" checkinUser="pensoft" docAuthor="Wang, Cheng &amp; Li, Shuqiang" docDate="2022" docId="5492A84F1E295747AF1D1C76C267899D" docLanguage="en" docName="ZooKeys 1118: 39-72" docOrigin="ZooKeys 1118" docPubDate="2022-08-18" docSource="http://dx.doi.org/10.3897/zookeys.1118.89337" docTitle="Irura pengi Guo, Zhang &amp; Zhu 2011" docType="treatment" docVersion="1" id="589B068EE1E154AE96E66DB5BBAFB1BD" lastPageNumber="39" masterDocId="589B068EE1E154AE96E66DB5BBAFB1BD" masterDocTitle="A new genus and nine species of jumping spiders from Hainan Island, China (Araneae, Salticidae)" masterLastPageNumber="72" masterPageNumber="39" pageNumber="39" updateTime="1660884389204" updateUser="pensoft">
<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
<mods:titleInfo>
<mods:title>A new genus and nine species of jumping spiders from Hainan Island, China (Araneae, Salticidae)</mods:title>
</mods:titleInfo>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Wang, Cheng</mods:namePart>
<mods:affiliation>Guizhou Provincial Key Laboratory for Biodiversity Conservation and Utilization in the Fanjing Mountain Region, Tongren University, Tongren, Guizhou 554300, China &amp; Ministry of Education Key Laboratory for Ecology of Tropical Islands, College of Life Sciences, Hainan Normal University, Haikou 571158, China</mods:affiliation>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Li, Shuqiang</mods:namePart>
<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0002-3290-5416</mods:nameIdentifier>
<mods:affiliation>Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China</mods:affiliation>
<mods:nameIdentifier type="email">lisq@ioz.ac.cn</mods:nameIdentifier>
</mods:name>
<mods:typeOfResource>text</mods:typeOfResource>
<mods:relatedItem type="host">
<mods:titleInfo>
<mods:title>ZooKeys</mods:title>
</mods:titleInfo>
<mods:part>
<mods:date>2022</mods:date>
<mods:detail type="pubDate">
<mods:number>2022-08-18</mods:number>
</mods:detail>
<mods:detail type="volume">
<mods:number>1118</mods:number>
</mods:detail>
<mods:extent unit="page">
<mods:start>39</mods:start>
<mods:end>72</mods:end>
</mods:extent>
</mods:part>
</mods:relatedItem>
<mods:location>
<mods:url>http://dx.doi.org/10.3897/zookeys.1118.89337</mods:url>
</mods:location>
<mods:classification>journal article</mods:classification>
<mods:identifier type="DOI">http://dx.doi.org/10.3897/zookeys.1118.89337</mods:identifier>
<mods:identifier type="Pensoft-Pub">1313-2970-1118-39</mods:identifier>
<mods:identifier type="ZooBank">D21C9E91A428419EAC6ED5C82CEF6295</mods:identifier>
<mods:identifier type="Pensoft-UUID">589B068EE1E154AE96E66DB5BBAFB1BD</mods:identifier>
</mods:mods>
<treatment LSID="urn:lsid:plazi:treatment:5492A84F1E295747AF1D1C76C267899D" httpUri="http://treatment.plazi.org/id/5492A84F1E295747AF1D1C76C267899D" lastPageNumber="39" pageId="0" pageNumber="39">
<subSubSection pageId="0" pageNumber="39" type="nomenclature">
<paragraph pageId="0" pageNumber="39">
<taxonomicName LSID="5492A84F-1E29-5747-AF1D-1C76C267899D" authority="Guo, Zhang &amp; Zhu, 2011" authorityName="Guo, Zhang &amp; Zhu" authorityYear="2011" class="Arachnida" family="Salticidae" genus="Irura" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Irura pengi" order="Araneae" pageId="0" pageNumber="39" phylum="Arthropoda" rank="species" species="pengi">Irura pengi Guo, Zhang &amp; Zhu, 2011</taxonomicName>
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="39" type="description">
<paragraph pageId="0" pageNumber="39">
<figureCitation captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Male palp of Irura pengi Guo, Zhang &amp; Zhu, 2011 A ventral B retrolateral C dorsal. Scale bars: 0.1 mm. Abbreviations: CA - cymbial apophysis; E - embolus; RTA - retrolateral tibial apophysis." figureDoi="10.3897/zookeys.1118.89337.figure4" httpUri="https://binary.pensoft.net/fig/730838" pageId="0" pageNumber="39">Figs 4</figureCitation>
<figureCitation captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Irura pengi Guo, Zhang &amp; Zhu, 2011 A epigyne, ventral B vulva, dorsal C male habitus, dorsal D ditto, ventral E female habitus, dorsal F male carapace, frontal G male chelicera, posterior. Scale bars: 0.1 mm (A, B, G); 0.5 mm (C-F). Abbreviations: AS - anterior chamber of spermatheca; At - atrium; CO - copulatory opening; FD - fertilization duct; MiS - median chamber of spermatheca; JS - junction duct of spermathecae; PS - posterior chamber of spermatheca." figureDoi="10.3897/zookeys.1118.89337.figure5" httpUri="https://binary.pensoft.net/fig/730839" pageId="0" pageNumber="39">, 5</figureCitation>
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="39" type="reference_group">
<paragraph pageId="0" pageNumber="39">
<taxonomicName authorityName="Guo, Zhang &amp; Zhu" authorityYear="2011" class="Arachnida" family="Salticidae" genus="Irura" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Irura pengi" order="Araneae" pageId="0" pageNumber="39" phylum="Arthropoda" rank="species" species="pengi">Irura pengi</taxonomicName>
Guo, Zhang &amp; Zhu, 2011: 91, figs 11-16 (♂, holotype, not examined).
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="39" type="materials_examined">
<paragraph pageId="0" pageNumber="39">Material examined.</paragraph>
<paragraph pageId="0" pageNumber="39">
<materialsCitation collectingDate="2019-04-11" collectorName="C. Wang, Y. F. Yang" country="China" county="Ledong County" elevation="860" latitude="18.740833" location="Tianchi" longLatPrecision="13" longitude="108.95817" municipality="Jianfengling National Nature Reserve" specimenCount="5" specimenCount-female="3" specimenCount-male="2" stateProvince="Hainan">
<specimenCount type="male">2♂</specimenCount>
<specimenCount type="female">3♀</specimenCount>
(TRU-JS 0625-0629),
<collectingCountry name="China">China</collectingCountry>
:
<collectingRegion country="China" name="Hainan">Hainan</collectingRegion>
:
<collectingCounty>Ledong County</collectingCounty>
,
<collectingMunicipality>Jianfengling National Nature Reserve</collectingMunicipality>
,
<location LSID="urn:lsid:plazi:treatment:5492A84F1E295747AF1D1C76C267899D:103A218FE81A9A5F4CA645763966076B" country="China" county="Ledong County" latitude="18.740833" longLatPrecision="13" longitude="108.95817" municipality="Jianfengling National Nature Reserve" name="Tianchi" stateProvince="Hainan">Tianchi</location>
(
<geoCoordinate degrees="18" direction="north" minutes="44.45" orientation="latitude" precision="9" value="18.740833">18°44.45'N</geoCoordinate>
,
<geoCoordinate degrees="108" direction="east" minutes="57.49" orientation="longitude" precision="9" value="108.95817">108°57.49'E</geoCoordinate>
, ca.
<quantity metricMagnitude="2" metricUnit="m" metricValue="8.6" unit="m" value="860.0">
<elevation metricMagnitude="2" metricUnit="m" metricValue="8.6" unit="m" value="860.0">860 m</elevation>
</quantity>
),
<collectingDate value="2019-04-11">11.iv.2019</collectingDate>
,
<collectorName>C. Wang</collectorName>
&amp;
<collectorName>Y.F. Yang</collectorName>
leg.
</materialsCitation>
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="39" type="diagnosis">
<paragraph pageId="0" pageNumber="39">Diagnosis.</paragraph>
<paragraph pageId="0" pageNumber="39">
The male of
<taxonomicName authorityName="Guo, Zhang &amp; Zhu" authorityYear="2011" class="Arachnida" family="Salticidae" genus="Irura" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Irura pengi" order="Araneae" pageId="0" pageNumber="39" phylum="Arthropoda" rank="species" species="pengi">
<emphasis italics="true" pageId="0" pageNumber="39">Irura pengi</emphasis>
</taxonomicName>
Guo, Zhang &amp; Zhu, 2011 resembles
<taxonomicName genus="I." lsidName="I. trigonapophysis" pageId="0" pageNumber="39" rank="species" species="trigonapophysis">
<emphasis italics="true" pageId="0" pageNumber="39">I. trigonapophysis</emphasis>
</taxonomicName>
(Peng &amp; Yin, 1991) known from Fujian, and Guangdong of China in having a flagelliform embolus originating at ~ 10
<normalizedToken originalValue="oclock">o'clock</normalizedToken>
position on the bulb, but it can be distinguished by the straight RTA and terminally curved retrolateral cymbial apophysis in retrolateral view (Fig.
<figureCitation captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Male palp of Irura pengi Guo, Zhang &amp; Zhu, 2011 A ventral B retrolateral C dorsal. Scale bars: 0.1 mm. Abbreviations: CA - cymbial apophysis; E - embolus; RTA - retrolateral tibial apophysis." figureDoi="10.3897/zookeys.1118.89337.figure4" httpUri="https://binary.pensoft.net/fig/730838" pageId="0" pageNumber="39">4B</figureCitation>
), whereas the RTA is slightly curved dorsally and the retrolateral cymbial apophysis is straight in
<taxonomicName genus="I." lsidName="I. trigonapophysis" pageId="0" pageNumber="39" rank="species" species="trigonapophysis">
<emphasis italics="true" pageId="0" pageNumber="39">I. trigonapophysis</emphasis>
</taxonomicName>
(
<bibRefCitation author="Peng, X" journalOrPublisher="Science Press, Beijing" pageId="0" pageNumber="39" refId="B14" refString="Peng, X, 2020. Fauna Sinica, Invertebrata 53, Arachnida: Araneae: Salticidae. Science Press, Beijing" title="Fauna Sinica, Invertebrata 53, Arachnida: Araneae: Salticidae." year="2020">Peng 2020</bibRefCitation>
: fig. 127b-d). The species also resembles that of
<taxonomicName genus="I." lsidName="I. uniprocessa" pageId="0" pageNumber="39" rank="species" species="uniprocessa">
<emphasis italics="true" pageId="0" pageNumber="39">I. uniprocessa</emphasis>
</taxonomicName>
Mi &amp; Wang, 2016 known from Yunnan of China by the similar copulatory organs, but it can be distinguished by the following characters: (1) the presence of RTA (Fig.
<figureCitation captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Male palp of Irura pengi Guo, Zhang &amp; Zhu, 2011 A ventral B retrolateral C dorsal. Scale bars: 0.1 mm. Abbreviations: CA - cymbial apophysis; E - embolus; RTA - retrolateral tibial apophysis." figureDoi="10.3897/zookeys.1118.89337.figure4" httpUri="https://binary.pensoft.net/fig/730838" pageId="0" pageNumber="39">4A-C</figureCitation>
), which is absent in
<taxonomicName genus="I." lsidName="I. uniprocessa" pageId="0" pageNumber="39" rank="species" species="uniprocessa">
<emphasis italics="true" pageId="0" pageNumber="39">I. uniprocessa</emphasis>
</taxonomicName>
(
<bibRefCitation DOI="https://doi.org/10.11984/j.issn.1000-7083.20160008" author="Mi, X" journalOrPublisher="Sichuan Journal of Zoology" pageId="0" pageNumber="39" pagination="400 - 403" refId="B12" refString="Mi, X, Wang, C, 2016. A new species of Irura Peckham &amp; Peckham, 1901 (Araneae: Salticidae) from Yunnan Province, China. Sichuan Journal of Zoology 35 (3): 400 - 403, DOI: https://doi.org/10.11984/j.issn.1000-7083.20160008" title="A new species of Irura Peckham &amp; Peckham, 1901 (Araneae: Salticidae) from Yunnan Province, China." url="https://doi.org/10.11984/j.issn.1000-7083.20160008" volume="35" year="2016">Mi and Wang 2016</bibRefCitation>
: figs 1C-E, 2a, b); (2) the absence of epigynal hoods and the distance between the anterior chambers of spermathecae is more than their width (Fig.
<figureCitation captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Irura pengi Guo, Zhang &amp; Zhu, 2011 A epigyne, ventral B vulva, dorsal C male habitus, dorsal D ditto, ventral E female habitus, dorsal F male carapace, frontal G male chelicera, posterior. Scale bars: 0.1 mm (A, B, G); 0.5 mm (C-F). Abbreviations: AS - anterior chamber of spermatheca; At - atrium; CO - copulatory opening; FD - fertilization duct; MiS - median chamber of spermatheca; JS - junction duct of spermathecae; PS - posterior chamber of spermatheca." figureDoi="10.3897/zookeys.1118.89337.figure5" httpUri="https://binary.pensoft.net/fig/730839" pageId="0" pageNumber="39">5B</figureCitation>
), whereas present and the distance between the anterior chambers of spermathecae is &lt;1/2 their width in
<taxonomicName genus="I." lsidName="I. uniprocessa" pageId="0" pageNumber="39" rank="species" species="uniprocessa">
<emphasis italics="true" pageId="0" pageNumber="39">I. uniprocessa</emphasis>
</taxonomicName>
(
<bibRefCitation DOI="https://doi.org/10.11984/j.issn.1000-7083.20160008" author="Mi, X" journalOrPublisher="Sichuan Journal of Zoology" pageId="0" pageNumber="39" pagination="400 - 403" refId="B12" refString="Mi, X, Wang, C, 2016. A new species of Irura Peckham &amp; Peckham, 1901 (Araneae: Salticidae) from Yunnan Province, China. Sichuan Journal of Zoology 35 (3): 400 - 403, DOI: https://doi.org/10.11984/j.issn.1000-7083.20160008" title="A new species of Irura Peckham &amp; Peckham, 1901 (Araneae: Salticidae) from Yunnan Province, China." url="https://doi.org/10.11984/j.issn.1000-7083.20160008" volume="35" year="2016">Mi and Wang 2016</bibRefCitation>
: figs 1F, G, 2d, e).
</paragraph>
<caption doi="10.3897/zookeys.1118.89337.figure4" httpUri="https://binary.pensoft.net/fig/730838" pageId="0" pageNumber="39" start="Figure 4" startId="F4">
<paragraph pageId="0" pageNumber="39">
<emphasis bold="true" pageId="0" pageNumber="39">Figure 4.</emphasis>
Male palp of
<taxonomicName authorityName="Guo, Zhang &amp; Zhu" authorityYear="2011" class="Arachnida" family="Salticidae" genus="Irura" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Irura pengi" order="Araneae" pageId="0" pageNumber="39" phylum="Arthropoda" rank="species" species="pengi">
<emphasis italics="true" pageId="0" pageNumber="39">Irura pengi</emphasis>
</taxonomicName>
Guo, Zhang &amp; Zhu, 2011
<emphasis bold="true" pageId="0" pageNumber="39">A</emphasis>
ventral
<emphasis bold="true" pageId="0" pageNumber="39">B</emphasis>
retrolateral
<emphasis bold="true" pageId="0" pageNumber="39">C</emphasis>
dorsal. Scale bars: 0.1 mm. Abbreviations: CA - cymbial apophysis; E - embolus; RTA - retrolateral tibial apophysis.
</paragraph>
</caption>
</subSubSection>
<subSubSection pageId="0" pageNumber="39" type="description">
<paragraph pageId="0" pageNumber="39">Description.</paragraph>
<paragraph pageId="0" pageNumber="39">
<emphasis bold="true" pageId="0" pageNumber="39">Male</emphasis>
(Figs
<figureCitation captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Male palp of Irura pengi Guo, Zhang &amp; Zhu, 2011 A ventral B retrolateral C dorsal. Scale bars: 0.1 mm. Abbreviations: CA - cymbial apophysis; E - embolus; RTA - retrolateral tibial apophysis." figureDoi="10.3897/zookeys.1118.89337.figure4" httpUri="https://binary.pensoft.net/fig/730838" pageId="0" pageNumber="39">4</figureCitation>
,
<figureCitation captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Irura pengi Guo, Zhang &amp; Zhu, 2011 A epigyne, ventral B vulva, dorsal C male habitus, dorsal D ditto, ventral E female habitus, dorsal F male carapace, frontal G male chelicera, posterior. Scale bars: 0.1 mm (A, B, G); 0.5 mm (C-F). Abbreviations: AS - anterior chamber of spermatheca; At - atrium; CO - copulatory opening; FD - fertilization duct; MiS - median chamber of spermatheca; JS - junction duct of spermathecae; PS - posterior chamber of spermatheca." figureDoi="10.3897/zookeys.1118.89337.figure5" httpUri="https://binary.pensoft.net/fig/730839" pageId="0" pageNumber="39">5C, D, F, G</figureCitation>
). Total length 4.52. Carapace 2.06 long, 2.35 wide. Abdomen 2.50 long, 2.26 wide. Eye sizes and inter-distances: AME 0.50, ALE 0.29, PLE 0.24, AERW 1.91, PERW 2.21, EFL 1.12. Leg measurements: I 7.02 (2.13, 1.63, 1.58, 1.03, 0.65), II 3.98 (1.28, 0.75, 0.85, 0.70, 0.40), III 3.32 (1.08, 0.58, 0.63, 0.63, 0.40), IV 3.87 (1.33, 0.63, 0.81, 0.70, 0.40). Carapace sub-square, red-brown, covered with dense, iridescent scales, with an irregular dark patch medially in eye field. Chelicerae red-brown, with two promarginal teeth and one large retromarginal tooth. Endites longer than wide, with dense, dark brown setae at inner-distal margins. Labium colored as endites, bearing dense, dark setae at anterior edges. Sternum sub-oval, covered with thin setae. Legs I robust, with a single and two pairs of macrosetae ventrally on tibiae and metatarsi, respectively; other legs yellow to dark. Abdomen oval, dorsum orange-red to dark brown, with longitudinal orange band anteromedially, three pairs of muscle depressions and several pairs of irregular orange patches medially and laterally, and several herringbone-shaped streaks posteriorly, covered entirely by a big scutum; venter brown to dark brown. Palp (Fig.
<figureCitation captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Male palp of Irura pengi Guo, Zhang &amp; Zhu, 2011 A ventral B retrolateral C dorsal. Scale bars: 0.1 mm. Abbreviations: CA - cymbial apophysis; E - embolus; RTA - retrolateral tibial apophysis." figureDoi="10.3897/zookeys.1118.89337.figure4" httpUri="https://binary.pensoft.net/fig/730838" pageId="0" pageNumber="39">4A-C</figureCitation>
): tibia longer than wide, with straight RTA ~ 1/2 the tibia length, and blunt apically in retrolateral view; cymbium elongated, setose, with tapered, baso-retrolateral apophysis curved distally to a pointed tip, reaches anterior 1/3 of tibia in retrolateral view; bulb flat, almost round; embolus flagelliform, tapered, originates at ~ 10
<normalizedToken originalValue="oclock">o'clock</normalizedToken>
position on bulb, slightly shorter than bulb length.
</paragraph>
<caption doi="10.3897/zookeys.1118.89337.figure5" httpUri="https://binary.pensoft.net/fig/730839" pageId="0" pageNumber="39" start="Figure 5" startId="F5">
<paragraph pageId="0" pageNumber="39">
<emphasis bold="true" pageId="0" pageNumber="39">Figure 5.</emphasis>
<taxonomicName authorityName="Guo, Zhang &amp; Zhu" authorityYear="2011" class="Arachnida" family="Salticidae" genus="Irura" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Irura pengi" order="Araneae" pageId="0" pageNumber="39" phylum="Arthropoda" rank="species" species="pengi">
<emphasis italics="true" pageId="0" pageNumber="39">Irura pengi</emphasis>
</taxonomicName>
Guo, Zhang &amp; Zhu, 2011
<emphasis bold="true" pageId="0" pageNumber="39">A</emphasis>
epigyne, ventral
<emphasis bold="true" pageId="0" pageNumber="39">B</emphasis>
vulva, dorsal
<emphasis bold="true" pageId="0" pageNumber="39">C</emphasis>
male habitus, dorsal
<emphasis bold="true" pageId="0" pageNumber="39">D</emphasis>
ditto, ventral
<emphasis bold="true" pageId="0" pageNumber="39">E</emphasis>
female habitus, dorsal
<emphasis bold="true" pageId="0" pageNumber="39">F</emphasis>
male carapace, frontal
<emphasis bold="true" pageId="0" pageNumber="39">G</emphasis>
male chelicera, posterior. Scale bars: 0.1 mm (
<emphasis bold="true" pageId="0" pageNumber="39">A, B, G</emphasis>
); 0.5 mm (
<emphasis bold="true" pageId="0" pageNumber="39">C-F</emphasis>
). Abbreviations: AS - anterior chamber of spermatheca; At - atrium; CO - copulatory opening; FD - fertilization duct; MiS - median chamber of spermatheca; JS - junction duct of spermathecae; PS - posterior chamber of spermatheca.
</paragraph>
</caption>
<paragraph pageId="0" pageNumber="39">
<emphasis bold="true" pageId="0" pageNumber="39">Female</emphasis>
(Fig.
<figureCitation captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Irura pengi Guo, Zhang &amp; Zhu, 2011 A epigyne, ventral B vulva, dorsal C male habitus, dorsal D ditto, ventral E female habitus, dorsal F male carapace, frontal G male chelicera, posterior. Scale bars: 0.1 mm (A, B, G); 0.5 mm (C-F). Abbreviations: AS - anterior chamber of spermatheca; At - atrium; CO - copulatory opening; FD - fertilization duct; MiS - median chamber of spermatheca; JS - junction duct of spermathecae; PS - posterior chamber of spermatheca." figureDoi="10.3897/zookeys.1118.89337.figure5" httpUri="https://binary.pensoft.net/fig/730839" pageId="0" pageNumber="39">5A, B, E</figureCitation>
). Total length 4.26. Carapace 1.58 long, 2.06 wide. Abdomen 2.74 long, 2.29 wide. Eye sizes and inter-distances: AME 0.48, ALE 0.26, PLE 0.21, AERW 1.74, PERW 2.03, EFL 0.97. Leg measurements: I 4.33 (1.40, 1.00, 0.85, 0.60, 0.48), II 3.11 (1.00, 0.53, 0.70, 0.50, 0.38), III 2.70 (0.88, 0.48, 0.48, 0.48, 0.38), IV 3.27 (1.13, 0.55, 0.63, 0.58, 0.38). Habitus (Fig.
<figureCitation captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Irura pengi Guo, Zhang &amp; Zhu, 2011 A epigyne, ventral B vulva, dorsal C male habitus, dorsal D ditto, ventral E female habitus, dorsal F male carapace, frontal G male chelicera, posterior. Scale bars: 0.1 mm (A, B, G); 0.5 mm (C-F). Abbreviations: AS - anterior chamber of spermatheca; At - atrium; CO - copulatory opening; FD - fertilization duct; MiS - median chamber of spermatheca; JS - junction duct of spermathecae; PS - posterior chamber of spermatheca." figureDoi="10.3897/zookeys.1118.89337.figure5" httpUri="https://binary.pensoft.net/fig/730839" pageId="0" pageNumber="39">5E</figureCitation>
) similar to that of male except pale and with less-developed retromarginal cheliceral tooth. Epigyne (Fig.
<figureCitation captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Irura pengi Guo, Zhang &amp; Zhu, 2011 A epigyne, ventral B vulva, dorsal C male habitus, dorsal D ditto, ventral E female habitus, dorsal F male carapace, frontal G male chelicera, posterior. Scale bars: 0.1 mm (A, B, G); 0.5 mm (C-F). Abbreviations: AS - anterior chamber of spermatheca; At - atrium; CO - copulatory opening; FD - fertilization duct; MiS - median chamber of spermatheca; JS - junction duct of spermathecae; PS - posterior chamber of spermatheca." figureDoi="10.3897/zookeys.1118.89337.figure5" httpUri="https://binary.pensoft.net/fig/730839" pageId="0" pageNumber="39">5A, B</figureCitation>
): wider than long, with broad, posteriorly-located atrium; copulatory openings beneath the antero-bilateral edge of atrium; copulatory ducts short, tapered, connected to the junction ducts of anterior and middle chambers of spermathecae; spermathecae divided into three oval chambers; fertilization ducts elongated, originate from anterior edges of the smallest posterior chamber of spermathecae.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="39" type="distribution">
<paragraph pageId="0" pageNumber="39">Distribution.</paragraph>
<paragraph pageId="0" pageNumber="39">Only known from Hainan Island, China.</paragraph>
</subSubSection>
</treatment>
</document>