174 lines
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174 lines
14 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/zookeys.884.30988" ID-GBIF-Dataset="a4b13748-99a9-41ed-8964-29d76df19769" ID-PMC="PMC6834763" ID-Pensoft-Pub="1313-2970-884-23" ID-Pensoft-UUID="6251848C807E5E0896A9C39CC22ECD19" ID-PubMed="31723324" ID-ZooBank="F1B4B6A8288C4CE9AFEF7DE08DBE9CC0" ModsDocID="1313-2970-884-23" checkinTime="1572509043610" checkinUser="pensoft" docAuthor="Dong, Yan, Law, Michelle Man Suet, Jiang, Jibao B. & Qiu, Jiangping P." docDate="2019" docId="CA5B4CF41874597CA31D0639C517E89E" docLanguage="en" docName="ZooKeys 884: 23-42" docOrigin="ZooKeys 884" docSource="http://dx.doi.org/10.3897/zookeys.884.30988" docTitle="Amynthas shengtangmontis subsp. minusculus Dong & Law, subsp. nov." docType="treatment" docUuid="AE048B96-5A37-4C48-A734-22EA11119010" docUuidSource="ZooBank" docVersion="7" id="6251848C807E5E0896A9C39CC22ECD19" lastPageNumber="23" masterDocId="6251848C807E5E0896A9C39CC22ECD19" masterDocTitle="Three new species and one subspecies of the Amynthas corticis - group from Guangxi Zhuang Autonomous Region, China (Oligochaeta, Megascolecidae)" masterLastPageNumber="42" masterPageNumber="23" pageNumber="23" updateTime="1668167990170" updateUser="ExternalLinkService">
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<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:titleInfo>
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<mods:title>Three new species and one subspecies of the Amynthas corticis - group from Guangxi Zhuang Autonomous Region, China (Oligochaeta, Megascolecidae)</mods:title>
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</mods:titleInfo>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Dong, Yan</mods:namePart>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Law, Michelle Man Suet</mods:namePart>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Jiang, Jibao B.</mods:namePart>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Qiu, Jiangping P.</mods:namePart>
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</mods:name>
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<mods:typeOfResource>text</mods:typeOfResource>
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<mods:relatedItem type="host">
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<mods:titleInfo>
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<mods:title>ZooKeys</mods:title>
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</mods:titleInfo>
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<mods:part>
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<mods:date>2019</mods:date>
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<mods:detail type="volume">
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<mods:number>884</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>23</mods:start>
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<mods:end>42</mods:end>
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</mods:extent>
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</mods:part>
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</mods:relatedItem>
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<mods:location>
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<mods:url>http://dx.doi.org/10.3897/zookeys.884.30988</mods:url>
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</mods:location>
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<mods:classification>journal article</mods:classification>
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<mods:identifier type="DOI">http://dx.doi.org/10.3897/zookeys.884.30988</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1313-2970-884-23</mods:identifier>
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<mods:identifier type="ZooBank">F1B4B6A8288C4CE9AFEF7DE08DBE9CC0</mods:identifier>
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<mods:identifier type="Pensoft-UUID">6251848C807E5E0896A9C39CC22ECD19</mods:identifier>
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</mods:mods>
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<treatment ID-GBIF-Taxon="159932976" LSID="urn:lsid:zoobank.org:act:AE048B96-5A37-4C48-A734-22EA11119010" httpUri="http://treatment.plazi.org/id/CA5B4CF41874597CA31D0639C517E89E" lastPageNumber="23" pageId="0" pageNumber="23">
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<subSubSection pageId="0" pageNumber="23" type="nomenclature">
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<paragraph pageId="0" pageNumber="23">
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<taxonomicName LSID="CA5B4CF4-1874-597C-A31D-0639C517E89E" authority="Dong & Law" class="Clitellata" family="Megascolecidae" genus="Amynthas" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Amynthas shengtangmontis" order="Opisthopora" pageId="0" pageNumber="23" phylum="Annelida" rank="subSpecies" species="shengtangmontis" subSpecies="minusculus">Amynthas shengtangmontis minusculus Dong & Law</taxonomicName>
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<taxonomicNameLabel pageId="0" pageNumber="23">subsp. nov.</taxonomicNameLabel>
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<figureCitation captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. A Ventral view showing spermathecal pores, female pores and male pores of Amynthas shengtangmontis minusculus subsp. nov. B spermathecae of Amynthas shengtangmontis minusculus subsp. nov. C illustration of the details of the male pore region." figureDoi="10.3897/zookeys.884.30988.figure5" httpUri="https://binary.pensoft.net/fig/351028" pageId="0" pageNumber="23" tableDoi="10.3897/zookeys.884.30988.figure5">Figure 5</figureCitation>
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<tableCitation captionStartId="T4" httpUri="http://table.plazi.org/id/652FC68A1A6B5F139CD0EC019B4F2F84" pageId="0" pageNumber="23" tableUuid="652FC68A1A6B5F139CD0EC019B4F2F84">, Table 4</tableCitation>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="23" type="materials_examined">
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<paragraph pageId="0" pageNumber="23">Material.</paragraph>
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<paragraph pageId="0" pageNumber="23">
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<emphasis bold="true" pageId="0" pageNumber="23">Holotype</emphasis>
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: 1 clitellate (C-GX201316-02A): China, Guangxi Zhuang Autonomous Region, Dayao Mountain Nature Reserve (
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<geoCoordinate degrees="24.16658" direction="north" orientation="latitude" precision="1" value="24.16658">24.16658°N</geoCoordinate>
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,
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<geoCoordinate degrees="110.24313" direction="east" orientation="longitude" precision="1" value="110.24313">110.24313°E</geoCoordinate>
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), 1285 m asl, black sandy soil under bryophytes beside road, 16 May 2013, JP Qiu, Y Hong, JB Jiang, LL Zhang, and Y Dong legit.
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<emphasis bold="true" pageId="0" pageNumber="23">Paratypes</emphasis>
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: 6 clitellate (C-GX201316-02B): same date as for holotype.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="23" type="diagnosis">
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<paragraph pageId="0" pageNumber="23">Diagnosis.</paragraph>
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<paragraph pageId="0" pageNumber="23">
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Dimensions 75-83 mm by 3.0-3.2 mm at clitellum, 75-87 segments. First dorsal pore in 11/12. Setae numbering 21-26 at III, 18-21 at V, 27-32 at VIII, 29-34 at XX, 36-40 at XXV; 5-7 between male pores; Setae between spermathecal pores numbering 9-11 at VI, 10-12 at VII, 10-12 at VIII. Four pairs of spermathecal pores in 5/6-8/9. Three pairs of postsetal genital papillae arranged in
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<normalizedToken originalValue="VI–VIII">VI-VIII</normalizedToken>
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, 0.13 circumference apart ventrally. One pair of male pores in XVIII, each on the top of a raised, elliptic porophore surrounded by six circular ridges, with one small indented-topped genital papilla medial of each male pore. Ampulla heart-shaped; stout duct as long as 1/2 ampulla. Diverticulum as long as main pouch, terminal 1/2 dilated into a long club-shaped seminal chamber. Prostate glands developed.
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</paragraph>
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<caption doi="10.3897/zookeys.884.30988.figure5" httpUri="https://binary.pensoft.net/fig/351028" pageId="0" pageNumber="23" start="Figure 5" startId="F5">
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<paragraph pageId="0" pageNumber="23">
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<emphasis bold="true" pageId="0" pageNumber="23">Figure 5.</emphasis>
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<emphasis bold="true" pageId="0" pageNumber="23">A</emphasis>
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Ventral view showing spermathecal pores, female pores and male pores of
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<taxonomicName class="Clitellata" family="Megascolecidae" genus="Amynthas" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Amynthas shengtangmontis" order="Opisthopora" pageId="0" pageNumber="23" phylum="Annelida" rank="subSpecies" species="shengtangmontis" subSpecies="minusculus">
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<emphasis italics="true" pageId="0" pageNumber="23">Amynthas shengtangmontis minusculus</emphasis>
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</taxonomicName>
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subsp. nov.
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<emphasis bold="true" pageId="0" pageNumber="23">B</emphasis>
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spermathecae of
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<taxonomicName class="Clitellata" family="Megascolecidae" genus="Amynthas" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Amynthas shengtangmontis" order="Opisthopora" pageId="0" pageNumber="23" phylum="Annelida" rank="subSpecies" species="shengtangmontis" subSpecies="minusculus">
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<emphasis italics="true" pageId="0" pageNumber="23">Amynthas shengtangmontis minusculus</emphasis>
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</taxonomicName>
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subsp. nov.
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<emphasis bold="true" pageId="0" pageNumber="23">C</emphasis>
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illustration of the details of the male pore region.
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</paragraph>
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</caption>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="23" type="description">
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<paragraph pageId="0" pageNumber="23">Description.</paragraph>
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<paragraph pageId="0" pageNumber="23">
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<emphasis bold="true" pageId="0" pageNumber="23">External characters</emphasis>
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: Purple brown pigment on dorsum, no pigment on ventrum. Dimensions 83 mm by 3.2 mm at clitellum, 87 segments. Prostomium
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<normalizedToken originalValue="½">1/2</normalizedToken>
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epilobous. First dorsal pore in 11/12. Setae numbering 26 at III, 21 at V, 32 at VIII, 34 at XX, 38 at XXV; 6 between male pores; setae between spermathecal pores numbering 10 at VI, 11 at VII, 12 at VIII. Setal formula AA = 1.2-1.4AB, ZZ = 1.4-1.8ZY. Clitellum annular in
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<normalizedToken originalValue="XIV–XVI">XIV-XVI</normalizedToken>
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, setae not visible externally. Four pairs of spermathecal pores in 5/6-8/9, 0.40 circumference ventrally apart from each other. Three pairs of postsetal genital papillae arranged in
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<normalizedToken originalValue="VI–VIII">VI-VIII</normalizedToken>
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. One pair of male pores in XVIII, 0.40 circumference apart ventrally, each on the top of a raised, elliptic porophore surrounded by six circular ridges, with one small indented-topped genital papilla in the center of each male pore (
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<figureCitation captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. A Ventral view showing spermathecal pores, female pores and male pores of Amynthas shengtangmontis sp. nov. B, C spermathecae of Amynthas shengtangmontis sp. nov. D illustration of the details of the male pore region." figureDoi="10.3897/zookeys.884.30988.figure4" httpUri="https://binary.pensoft.net/fig/351027" pageId="0" pageNumber="23" tableDoi="10.3897/zookeys.884.30988.figure4">Figure 4A</figureCitation>
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). Single female pore in XIIV.
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</paragraph>
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<paragraph pageId="0" pageNumber="23">
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<emphasis bold="true" pageId="0" pageNumber="23">Internal characters.</emphasis>
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Septa 5/6-7/8, thick and muscular, 10/11-11/12 slightly thickened, 8/9-9/10 absent. Gizzard bucket-shaped, wider below than above, in
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<normalizedToken originalValue="IX–X">IX-X</normalizedToken>
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. Intestine enlarged distinctly from XV. Intestinal caeca paired in XXVII, simple, smooth, extending anteriorly to 1/2 XXIV. Esophageal hearts in
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<normalizedToken originalValue="X–XIII">X-XIII</normalizedToken>
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. Ovaries in XIII, four pairs of spermathecae in
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<normalizedToken originalValue="VI–IX">VI-IX</normalizedToken>
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, heart-shaped, 2.2-2.7mm long, duct as long as 1/2 ampulla. Diverticulum as long as main pouch, terminal 1/2 dilated into a long club-shaped seminal chamber. Six semitransparent elliptical accessory glands observed near the ental part of the last three pairs spermathecae (
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<figureCitation captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. A Ventral view showing spermathecal pores, female pores and male pores of Amynthas shengtangmontis sp. nov. B, C spermathecae of Amynthas shengtangmontis sp. nov. D illustration of the details of the male pore region." figureDoi="10.3897/zookeys.884.30988.figure4" httpUri="https://binary.pensoft.net/fig/351027" pageId="0" pageNumber="23" tableDoi="10.3897/zookeys.884.30988.figure4">Figure 4B</figureCitation>
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). Holandric: two pairs of testis sacs, separated from each other, in
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<normalizedToken originalValue="X–XI">X-XI</normalizedToken>
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, oval, the first pair extremely developed. Two pairs of seminal vesicles, in
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<normalizedToken originalValue="XI–XII">XI-XII</normalizedToken>
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, developed. Prostate glands, thick, inserting in XVIII and extending from XVI to XXI, developed, coarsely lobate; prostatic duct U-curved, long, slightly thicker at the ental part.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="23" type="remarks">
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<paragraph pageId="0" pageNumber="23">Remarks.</paragraph>
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<paragraph pageId="0" pageNumber="23">
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We compare
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<taxonomicName lsidName="A. shengtangmontis" pageId="0" pageNumber="23" rank="subSpecies" species="shengtangmontis" subSpecies="minusculus">
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<emphasis italics="true" pageId="0" pageNumber="23">A. shengtangmontis minusculus</emphasis>
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</taxonomicName>
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subsp. nov. with
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<taxonomicName lsidName="A. shengtangmontis" pageId="0" pageNumber="23" rank="subSpecies" species="shengtangmontis" subSpecies="shengtangmontis">
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<emphasis italics="true" pageId="0" pageNumber="23">A. shengtangmontis shengtangmontis</emphasis>
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</taxonomicName>
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and find that they share similar characters of spermathecal pores, male pores, intestinal caeca, and prostate glands. However, there is a level of difference between them. For instance,
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<taxonomicName lsidName="A. shengtangmontis" pageId="0" pageNumber="23" rank="subSpecies" species="shengtangmontis" subSpecies="minusculus">
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<emphasis italics="true" pageId="0" pageNumber="23">A. shengtangmontis minusculus</emphasis>
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</taxonomicName>
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subsp. nov. has a smaller body size, fewer and more closely spaced genital papillae, longer spermathecal duct, accessory glands only observed in the spermathecal area. On the other hand, the first dorsal pore of
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<taxonomicName lsidName="A. shengtangmontis" pageId="0" pageNumber="23" rank="subSpecies" species="shengtangmontis" subSpecies="minusculus">
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<emphasis italics="true" pageId="0" pageNumber="23">A. shengtangmontis minusculus</emphasis>
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</taxonomicName>
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subsp. nov. is located in 11/12 compared to in 12/13 in
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<taxonomicName lsidName="A. shengtangmontis" pageId="0" pageNumber="23" rank="subSpecies" species="shengtangmontis" subSpecies="shengtangmontis">
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<emphasis italics="true" pageId="0" pageNumber="23">A. shengtangmontis shengtangmontis</emphasis>
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</taxonomicName>
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. The pairwise distance of COI between
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<taxonomicName lsidName="A. shengtangmontis" pageId="0" pageNumber="23" rank="subSpecies" species="shengtangmontis" subSpecies="shengtangmontis">
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<emphasis italics="true" pageId="0" pageNumber="23">A. shengtangmontis shengtangmontis</emphasis>
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</taxonomicName>
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and
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<taxonomicName lsidName="A. shengtangmontis" pageId="0" pageNumber="23" rank="subSpecies" species="shengtangmontis" subSpecies="minusculus">
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<emphasis italics="true" pageId="0" pageNumber="23">A. shengtangmontis minusculus</emphasis>
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</taxonomicName>
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subsp. nov. is 10.7%-11.4%, which is acceptable to differentiate subspecies.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="23" type="etymology">
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<paragraph pageId="0" pageNumber="23">Etymology.</paragraph>
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<paragraph pageId="0" pageNumber="23">The subspecies is named after its small body size, compared to the nominate species.</paragraph>
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</subSubSection>
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</treatment>
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</document> |