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<document ID-DOI="http://dx.doi.org/10.3897/zse.97.64473" ID-GBIF-Dataset="882c739d-79c1-4b85-9446-44cfef2c5b5a" ID-GBIF-Taxon="180879914" ID-Pensoft-Pub="1860-0743-1-223" ID-Pensoft-UUID="AA9D6678FEA350D3827B1D90801389DD" ID-ZooBank="93DA2C6A37A04AF78C17B90FC041BB0C" ModsDocID="1860-0743-1-223" checkinTime="1617827141718" checkinUser="pensoft" docAuthor="Sugawara, Yusuke, Ihara, Yoh &amp; Nakano, Takafumi" docDate="2021" docId="B7E3A4E463CB536E99E61DE1FB5EC8AA" docLanguage="en" docName="ZoosystEvol 97(1): 223-233" docOrigin="Zoosystematics and Evolution 97 (1)" docPubDate="2021-04-07" docSource="http://dx.doi.org/10.3897/zse.97.64473" docTitle="Cybaeus melanoparvus Kobayashi 2006" docType="treatment" docVersion="3" id="AA9D6678FEA350D3827B1D90801389DD" lastPageNumber="223" masterDocId="AA9D6678FEA350D3827B1D90801389DD" masterDocTitle="A new species of Cybaeus L. Koch, 1868 (Araneae, Cybaeidae) with simple genitalia from central Japan is the sister species of C. melanoparvus Kobayashi, 2006 with elongated genitalia" masterLastPageNumber="233" masterPageNumber="223" pageId="0" pageNumber="223" updateTime="1643423876563" updateUser="ExternalLinkService">
<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
<mods:titleInfo>
<mods:title>A new species of Cybaeus L. Koch, 1868 (Araneae, Cybaeidae) with simple genitalia from central Japan is the sister species of C. melanoparvus Kobayashi, 2006 with elongated genitalia</mods:title>
</mods:titleInfo>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Sugawara, Yusuke</mods:namePart>
<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0002-2036-400X</mods:nameIdentifier>
<mods:affiliation>Department of Zoology, Graduate School of Science, Kyoto University, Kyoto 606 - 8502, Japan</mods:affiliation>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Ihara, Yoh</mods:namePart>
<mods:affiliation>Hiroshima Environment &amp; Health Association, Hiroshima 730 - 8631, Japan</mods:affiliation>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Nakano, Takafumi</mods:namePart>
<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0001-6107-2188</mods:nameIdentifier>
<mods:affiliation>Department of Zoology, Graduate School of Science, Kyoto University, Kyoto 606 - 8502, Japan</mods:affiliation>
<mods:nameIdentifier type="email">nakano@zoo.zool.kyoto-u.ac.jp</mods:nameIdentifier>
</mods:name>
<mods:typeOfResource>text</mods:typeOfResource>
<mods:relatedItem type="host">
<mods:titleInfo>
<mods:title>Zoosystematics and Evolution</mods:title>
</mods:titleInfo>
<mods:part>
<mods:date>2021</mods:date>
<mods:detail type="pubDate">
<mods:number>2021-04-07</mods:number>
</mods:detail>
<mods:detail type="volume">
<mods:number>97</mods:number>
</mods:detail>
<mods:detail type="issue">
<mods:number>1</mods:number>
</mods:detail>
<mods:extent unit="page">
<mods:start>223</mods:start>
<mods:end>233</mods:end>
</mods:extent>
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</mods:relatedItem>
<mods:location>
<mods:url>http://dx.doi.org/10.3897/zse.97.64473</mods:url>
</mods:location>
<mods:classification>journal article</mods:classification>
<mods:identifier type="DOI">http://dx.doi.org/10.3897/zse.97.64473</mods:identifier>
<mods:identifier type="Pensoft-Pub">1860-0743-1-223</mods:identifier>
<mods:identifier type="ZooBank">93DA2C6A37A04AF78C17B90FC041BB0C</mods:identifier>
<mods:identifier type="Pensoft-UUID">AA9D6678FEA350D3827B1D90801389DD</mods:identifier>
</mods:mods>
<subSection pageId="0" pageNumber="223" type="results">
<treatment ID-GBIF-Taxon="180879914" LSID="urn:lsid:plazi:treatment:B7E3A4E463CB536E99E61DE1FB5EC8AA" httpUri="http://treatment.plazi.org/id/B7E3A4E463CB536E99E61DE1FB5EC8AA" lastPageNumber="223" pageId="0" pageNumber="223">
<subSubSection pageId="0" pageNumber="223" type="nomenclature">
<paragraph pageId="0" pageNumber="223">
<taxonomicName LSID="B7E3A4E4-63CB-536E-99E6-1DE1FB5EC8AA" authority="Kobayashi, 2006" authorityName="Kobayashi" authorityYear="2006" class="Arachnida" family="Cybaeidae" genus="Cybaeus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cybaeus melanoparvus" order="Araneae" pageId="0" pageNumber="223" phylum="Arthropoda" rank="species" species="melanoparvus">Cybaeus melanoparvus Kobayashi, 2006</taxonomicName>
<figureCitation captionStart="Figure 8" captionStartId="F8" captionText="Figure 8. Cybaeus melanoparvus Kobayashi, from Mt. Bungen, Shiga Prefecture (KUZ Z 3765), male (A-D) and females (E, F). A. Cymbium of left palp, dorsal view; B. Bulb of left palp, ventral view; PCO, proximal arm of conductor; C. Bulb of left palp, prolateral view; EM, embolus; D. Left palp, retrolateral view; PCO, proximal arm of conductor; RTA, retrolateral tibial apophysis; E. Epigyne, ventral view; PME, posterior margin of epigynal plate; F. Spermathecae, dorsal view; BG, Bennett's gland; FD, fertilization duct; PP, primary pore; SB, spermathecal base; SH, spermathecal head; SS, spermathecal stalk. Scale bars: 500 µm (A-D.); 100 µm (E, F.)." figureDoi="10.3897/zse.97.64473.figure8" httpUri="https://binary.pensoft.net/fig/529031" pageId="0" pageNumber="223">Figures 8</figureCitation>
<figureCitation captionStart="Figure 9" captionStartId="F9" captionText="Figure 9. Cybaeus melanoparvus Kobayashi, schematic drawing of epigyne and spermathecae, based on female specimen (KUZ Z 3765). A. Ventral view; CD, copulatory duct; CP, copulatory pore; FD, fertilization duct; PME, posterior margin of epigynal plate; SB, spermathecal base; SH, spermathecal head; B. Dorsal view; BG, Bennett's gland; FD, fertilization duct; PP, primary pore; SB, spermathecal base; SS, spermathecal stalk; SS, spermathecal stalk. Duct from CP to before PP colored in red; duct from PP to before SB colored in blue; SB colored in green. Scale bar: 50 µm." figureDoi="10.3897/zse.97.64473.figure9" httpUri="https://binary.pensoft.net/fig/529032" pageId="0" pageNumber="223">, 9</figureCitation>
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="223" type="reference_group">
<paragraph pageId="0" pageNumber="223">
<taxonomicName authorityName="Kobayashi" authorityYear="2006" class="Arachnida" family="Cybaeidae" genus="Cybaeus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cybaeus melanoparvus" order="Araneae" pageId="0" pageNumber="223" phylum="Arthropoda" rank="species" species="melanoparvus">Cybaeus melanoparvus</taxonomicName>
Kobayashi, 2006: 41-42, figs 53-57;
<bibRefCitation author="Ihara, Y" editor="Ono, H" journalOrPublisher="Tokai University Press, Hadano" pageId="0" pageNumber="223" pagination="152 - 168" refId="B16" refString="Ihara, Y, 2009a. Cybaeidae. In: Ono, H, Ed., The Spiders of Japan: with Keys to the Families and Genera and Illustrations of the Species. Tokai University Press, Hadano: 152 - 168" title="Cybaeidae." volumeTitle="The Spiders of Japan: with Keys to the Families and Genera and Illustrations of the Species." year="2009 a">Ihara 2009a</bibRefCitation>
: 167, figs 2-2-30-228-230.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="223" type="materials_examined">
<paragraph pageId="0" pageNumber="223">Material examined.</paragraph>
<paragraph pageId="0" pageNumber="223">
<materialsCitation ID-GBIF-Occurrence="3069151304" collectingDate="2012-10-27" collectorName="N. Koike" country="Japan" county="Ibi-gun" latitude="35.612835" location="Sakauchihirose" longLatPrecision="11" longitude="136.41933" municipality="Ibigawa Town" specimenCount="2" specimenCount-female="1" specimenCount-male="1" stateProvince="Gifu Prefecture">
<emphasis bold="true" pageId="0" pageNumber="223">
<collectingCountry name="Japan">Japan</collectingCountry>
</emphasis>
<specimenCount type="male">1 ♂</specimenCount>
,
<specimenCount type="female">1 ♀</specimenCount>
;
<collectingRegion country="Japan" name="Gifu">Gifu Prefecture</collectingRegion>
,
<collectingCounty>Ibi-gun</collectingCounty>
,
<collectingMunicipality>Ibigawa Town</collectingMunicipality>
,
<location LSID="urn:lsid:plazi:treatment:B7E3A4E463CB536E99E61DE1FB5EC8AA:8DBD032DA4BF94EBF7780DE74401C61B" country="Japan" county="Ibi-gun" latitude="35.612835" longLatPrecision="11" longitude="136.41933" municipality="Ibigawa Town" name="Sakauchihirose" stateProvince="Gifu Prefecture">Sakauchihirose</location>
;
<geoCoordinate degrees="35" direction="north" minutes="36.77" orientation="latitude" precision="9" value="35.612835">35°36.77'N</geoCoordinate>
,
<geoCoordinate degrees="136" direction="east" minutes="25.16" orientation="longitude" precision="9" value="136.41933">136°25.16'E</geoCoordinate>
;
<collectingDate value="2012-10-27">27 Oct. 2012</collectingDate>
;
<collectorName>N. Koike</collectorName>
leg.; KUZ Z3764
</materialsCitation>
<materialsCitation ID-GBIF-Occurrence="3069151301" collectingDate="2012-10-26" collectorName="N. Koike" country="Japan" latitude="35.5085" location="Mt. Bungen" longLatPrecision="11" longitude="136.39034" municipality="Maibara City" specimenCount="4" specimenCount-female="2" specimenCount-male="2" stateProvince="Shiga Prefecture">
<specimenCount type="male">2 ♂♂</specimenCount>
,
<specimenCount type="female">2 ♀♀</specimenCount>
;
<collectingRegion country="Japan" name="Shiga">Shiga Prefecture</collectingRegion>
,
<collectingMunicipality>Maibara City</collectingMunicipality>
,
<location LSID="urn:lsid:plazi:treatment:B7E3A4E463CB536E99E61DE1FB5EC8AA:5304EAC6487D194B917BA9E9DFFC433C" country="Japan" latitude="35.5085" longLatPrecision="11" longitude="136.39034" municipality="Maibara City" name="Mt. Bungen" stateProvince="Shiga Prefecture">Mt. Bungen</location>
;
<geoCoordinate degrees="35" direction="north" minutes="30.51" orientation="latitude" precision="9" value="35.5085">35°30.51'N</geoCoordinate>
,
<geoCoordinate degrees="136" direction="east" minutes="23.42" orientation="longitude" precision="9" value="136.39034">136°23.42'E</geoCoordinate>
;
<collectingDate value="2012-10-26">26 Oct. 2012</collectingDate>
;
<collectorName>N. Koike</collectorName>
leg.; KUZ Z3765
</materialsCitation>
.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="223" type="description">
<paragraph pageId="0" pageNumber="223">Supplementary description of female spermathecae</paragraph>
<paragraph pageId="0" pageNumber="223">
<emphasis bold="true" pageId="0" pageNumber="223">
(Figs
<figureCitation captionStart="Figure 8" captionStartId="F8" captionText="Figure 8. Cybaeus melanoparvus Kobayashi, from Mt. Bungen, Shiga Prefecture (KUZ Z 3765), male (A-D) and females (E, F). A. Cymbium of left palp, dorsal view; B. Bulb of left palp, ventral view; PCO, proximal arm of conductor; C. Bulb of left palp, prolateral view; EM, embolus; D. Left palp, retrolateral view; PCO, proximal arm of conductor; RTA, retrolateral tibial apophysis; E. Epigyne, ventral view; PME, posterior margin of epigynal plate; F. Spermathecae, dorsal view; BG, Bennett's gland; FD, fertilization duct; PP, primary pore; SB, spermathecal base; SH, spermathecal head; SS, spermathecal stalk. Scale bars: 500 µm (A-D.); 100 µm (E, F.)." figureDoi="10.3897/zse.97.64473.figure8" httpUri="https://binary.pensoft.net/fig/529031" pageId="0" pageNumber="223">8F</figureCitation>
,
<figureCitation captionStart="Figure 9" captionStartId="F9" captionText="Figure 9. Cybaeus melanoparvus Kobayashi, schematic drawing of epigyne and spermathecae, based on female specimen (KUZ Z 3765). A. Ventral view; CD, copulatory duct; CP, copulatory pore; FD, fertilization duct; PME, posterior margin of epigynal plate; SB, spermathecal base; SH, spermathecal head; B. Dorsal view; BG, Bennett's gland; FD, fertilization duct; PP, primary pore; SB, spermathecal base; SS, spermathecal stalk; SS, spermathecal stalk. Duct from CP to before PP colored in red; duct from PP to before SB colored in blue; SB colored in green. Scale bar: 50 µm." figureDoi="10.3897/zse.97.64473.figure9" httpUri="https://binary.pensoft.net/fig/529032" pageId="0" pageNumber="223">9</figureCitation>
).
</emphasis>
CD, SH, and SS continuous tubular, and similar in diameter from CP through to SB; this duct starting from CP running on ventral side anteriorly, then bending posteromedially and coiling once toward anterior tip; this duct then turning at anterior tip, coiling 2.5 times in the opposite direction, undulating twice on ventral side, and then a half coil to SB; PP located on dorsal side, 1 coil before turning point at anterior tip; SB globular, extending anterolaterally, and expanded at connection with SS; BG well-developed, located dorsally at connection between SS and SB; each FD not running from basal part of SB, but extending from small atrium located beneath SB.
</paragraph>
<caption doi="10.3897/zse.97.64473.figure8" httpUri="https://binary.pensoft.net/fig/529031" pageId="0" pageNumber="223" start="Figure 8" startId="F8">
<paragraph pageId="0" pageNumber="223">
<emphasis bold="true" pageId="0" pageNumber="223">Figure 8.</emphasis>
<taxonomicName authorityName="Kobayashi" authorityYear="2006" class="Arachnida" family="Cybaeidae" genus="Cybaeus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cybaeus melanoparvus" order="Araneae" pageId="0" pageNumber="223" phylum="Arthropoda" rank="species" species="melanoparvus">
<emphasis italics="true" pageId="0" pageNumber="223">Cybaeus melanoparvus</emphasis>
</taxonomicName>
Kobayashi, from Mt. Bungen, Shiga Prefecture (KUZ Z3765), male (
<emphasis bold="true" pageId="0" pageNumber="223">A-D</emphasis>
) and females (
<emphasis bold="true" pageId="0" pageNumber="223">E, F</emphasis>
).
<emphasis bold="true" pageId="0" pageNumber="223">A.</emphasis>
Cymbium of left palp, dorsal view;
<emphasis bold="true" pageId="0" pageNumber="223">B.</emphasis>
Bulb of left palp, ventral view;
<emphasis bold="true" pageId="0" pageNumber="223">PCO</emphasis>
, proximal arm of conductor;
<emphasis bold="true" pageId="0" pageNumber="223">C.</emphasis>
Bulb of left palp, prolateral view;
<emphasis bold="true" pageId="0" pageNumber="223">EM</emphasis>
, embolus;
<emphasis bold="true" pageId="0" pageNumber="223">D.</emphasis>
Left palp, retrolateral view;
<emphasis bold="true" pageId="0" pageNumber="223">PCO</emphasis>
, proximal arm of conductor;
<emphasis bold="true" pageId="0" pageNumber="223">RTA</emphasis>
, retrolateral tibial apophysis;
<emphasis bold="true" pageId="0" pageNumber="223">E.</emphasis>
Epigyne, ventral view;
<emphasis bold="true" pageId="0" pageNumber="223">PME</emphasis>
, posterior margin of epigynal plate;
<emphasis bold="true" pageId="0" pageNumber="223">F.</emphasis>
Spermathecae, dorsal view;
<emphasis bold="true" pageId="0" pageNumber="223">BG</emphasis>
,
<normalizedToken originalValue="Bennetts">Bennett's</normalizedToken>
gland;
<emphasis bold="true" pageId="0" pageNumber="223">FD</emphasis>
, fertilization duct;
<emphasis bold="true" pageId="0" pageNumber="223">PP</emphasis>
, primary pore;
<emphasis bold="true" pageId="0" pageNumber="223">SB</emphasis>
, spermathecal base;
<emphasis bold="true" pageId="0" pageNumber="223">SH</emphasis>
, spermathecal head;
<emphasis bold="true" pageId="0" pageNumber="223">SS</emphasis>
, spermathecal stalk. Scale bars: 500
<normalizedToken originalValue="µm">µm</normalizedToken>
(
<emphasis bold="true" pageId="0" pageNumber="223">A-D.</emphasis>
); 100
<normalizedToken originalValue="µm">µm</normalizedToken>
(
<emphasis bold="true" pageId="0" pageNumber="223">E, F.</emphasis>
).
</paragraph>
</caption>
</subSubSection>
<subSubSection pageId="0" pageNumber="223" type="remarks">
<paragraph pageId="0" pageNumber="223">Remarks.</paragraph>
<paragraph pageId="0" pageNumber="223">
The present specimens were unquestionably identified as
<taxonomicName genus="C." lsidName="C. melanoparvus" pageId="0" pageNumber="223" rank="species" species="melanoparvus">
<emphasis italics="true" pageId="0" pageNumber="223">C. melanoparvus</emphasis>
</taxonomicName>
by features of the male palp and female genitalia; that is, the remarkably developed conductor and complicated tubular spermathecae.
</paragraph>
<caption doi="10.3897/zse.97.64473.figure9" httpUri="https://binary.pensoft.net/fig/529032" pageId="0" pageNumber="223" start="Figure 9" startId="F9">
<paragraph pageId="0" pageNumber="223">
<emphasis bold="true" pageId="0" pageNumber="223">Figure 9.</emphasis>
<taxonomicName authorityName="Kobayashi" authorityYear="2006" class="Arachnida" family="Cybaeidae" genus="Cybaeus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cybaeus melanoparvus" order="Araneae" pageId="0" pageNumber="223" phylum="Arthropoda" rank="species" species="melanoparvus">
<emphasis italics="true" pageId="0" pageNumber="223">Cybaeus melanoparvus</emphasis>
</taxonomicName>
Kobayashi, schematic drawing of epigyne and spermathecae, based on female specimen (KUZ Z3765).
<emphasis bold="true" pageId="0" pageNumber="223">A.</emphasis>
Ventral view;
<emphasis bold="true" pageId="0" pageNumber="223">CD</emphasis>
, copulatory duct;
<emphasis bold="true" pageId="0" pageNumber="223">CP</emphasis>
, copulatory pore;
<emphasis bold="true" pageId="0" pageNumber="223">FD</emphasis>
, fertilization duct;
<emphasis bold="true" pageId="0" pageNumber="223">PME</emphasis>
, posterior margin of epigynal plate;
<emphasis bold="true" pageId="0" pageNumber="223">SB</emphasis>
, spermathecal base;
<emphasis bold="true" pageId="0" pageNumber="223">SH</emphasis>
, spermathecal head;
<emphasis bold="true" pageId="0" pageNumber="223">B.</emphasis>
Dorsal view;
<emphasis bold="true" pageId="0" pageNumber="223">BG</emphasis>
,
<normalizedToken originalValue="Bennetts">Bennett's</normalizedToken>
gland;
<emphasis bold="true" pageId="0" pageNumber="223">FD</emphasis>
, fertilization duct;
<emphasis bold="true" pageId="0" pageNumber="223">PP</emphasis>
, primary pore;
<emphasis bold="true" pageId="0" pageNumber="223">SB</emphasis>
, spermathecal base;
<emphasis bold="true" pageId="0" pageNumber="223">SS</emphasis>
, spermathecal stalk;
<emphasis bold="true" pageId="0" pageNumber="223">SS</emphasis>
, spermathecal stalk. Duct from CP to before PP colored in red; duct from PP to before SB colored in blue; SB colored in green. Scale bar: 50
<normalizedToken originalValue="µm">µm</normalizedToken>
.
</paragraph>
</caption>
<paragraph pageId="0" pageNumber="223">
The present study could successfully document the positions of PP and BG in the spermathecae of this species for the first time. Because PPs were located at the dorsal surface of the duct near its anterior tip, this tubular structure, which was referred to as an 'anterior
<normalizedToken originalValue="duct">duct'</normalizedToken>
by
<bibRefCitation DOI="https://doi.org/10.2476/asjaa.55.29" author="Kobayashi, T" journalOrPublisher="Acta Arachnologica" pageId="0" pageNumber="223" pagination="29 - 44" refId="B21" refString="Kobayashi, T, 2006. Ten new species of the genus Cybaeus (Araneae: Cybaeidae) from central Honshu, Japan. Acta Arachnologica 55: 29 - 44, DOI: https://doi.org/10.2476/asjaa.55.29" title="Ten new species of the genus Cybaeus (Araneae: Cybaeidae) from central Honshu, Japan." url="https://doi.org/10.2476/asjaa.55.29" volume="55" year="2006">Kobayashi (2006)</bibRefCitation>
, must comprise CD, and also SH and SS.
</paragraph>
</subSubSection>
</treatment>
</subSection>
</document>