161 lines
12 KiB
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161 lines
12 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/zookeys.708.14072" ID-GBIF-Dataset="58df8d37-2558-416e-9941-d58dccd34d7d" ID-PMC="PMC5674150" ID-Pensoft-Pub="1313-2970-708-11" ID-PubMed="29118632" ID-ZBK="AC436BB3C02D4C99ACCF3589DBF69915" ModsDocAuthor="" ModsDocDate="2017" ModsDocID="1313-2970-708-11" ModsDocOrigin="ZooKeys 708" ModsDocTitle="The millipede genus Stemmiulus Gervais, 1844 in Cameroon, with descriptions of three new species (Diplopoda, Stemmiulida, Stemmiulidae)" checkinTime="1508166287362" checkinUser="pensoft" docAuthor="Fiemapong, Armand Richard Nzoko, Masse, Paul Serge Mbenoun, Tamesse, Joseph Lebel, Golovatch, Sergei Ilyich & VandenSpiegel, Didier" docDate="2017" docId="4F6737A9BD54684DA551438791CD4731" docLanguage="en" docName="ZooKeys 708: 11-23" docOrigin="ZooKeys 708" docSource="http://dx.doi.org/10.3897/zookeys.708.14072" docTitle="Stemmiulus ongot Nzoko Fiemapong & VandenSpiegel, sp. n." docType="treatment" docUuid="E9E71257-DE14-426E-96B1-6F6216087D5E" docUuidSource="ZooBank" docVersion="5" lastPageNumber="14" masterDocId="0E3BFFF1FF8AFFBAFF95FFBAFFA11952" masterDocTitle="The millipede genus Stemmiulus Gervais, 1844 in Cameroon, with descriptions of three new species (Diplopoda, Stemmiulida, Stemmiulidae)" masterLastPageNumber="23" masterPageNumber="11" pageNumber="13" updateTime="1668164921153" 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>The millipede genus Stemmiulus Gervais, 1844 in Cameroon, with descriptions of three new species (Diplopoda, Stemmiulida, Stemmiulidae)</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>Fiemapong, Armand Richard Nzoko</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>Masse, Paul Serge Mbenoun</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>Tamesse, Joseph Lebel</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>Golovatch, Sergei Ilyich</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>VandenSpiegel, Didier</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>2017</mods:date>
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<mods:detail type="volume">
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<mods:number>708</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>11</mods:start>
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<mods:end>23</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.708.14072</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.708.14072</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1313-2970-708-11</mods:identifier>
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<mods:identifier type="ZBK">AC436BB3C02D4C99ACCF3589DBF69915</mods:identifier>
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<mods:identifier type="ZooBank">AC436BB3C02D4C99ACCF3589DBF69915</mods:identifier>
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</mods:mods>
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<treatment ID-GBIF-Taxon="135437131" LSID="urn:lsid:zoobank.org:act:E9E71257-DE14-426E-96B1-6F6216087D5E" httpUri="http://treatment.plazi.org/id/4F6737A9BD54684DA551438791CD4731" lastPageId="3" lastPageNumber="14" pageId="2" pageNumber="13">
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<subSubSection pageId="2" pageNumber="13" type="nomenclature">
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<paragraph pageId="2" pageNumber="13">
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<taxonomicName LSID="http://zoobank.org/E9E71257-DE14-426E-96B1-6F6216087D5E" authority="Nzoko Fiemapong & VandenSpiegel" class="Diplopoda" family="Stemmiulidae" genus="Stemmiulus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Stemmiulus ongot" order="Stemmiulida" pageId="2" pageNumber="13" phylum="Arthropoda" rank="species" species="ongot">Stemmiulus ongot Nzoko Fiemapong & VandenSpiegel</taxonomicName>
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<taxonomicNameLabel pageId="2" pageNumber="13">sp. n.</taxonomicNameLabel>
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Figure 1
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</paragraph>
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</subSubSection>
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<subSubSection pageId="2" pageNumber="13" type="type material">
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<paragraph pageId="2" pageNumber="13">Type material.</paragraph>
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<paragraph pageId="2" pageNumber="13">
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Holotype ♂ (MRAC 22734), Cameroon, Center Region, Ongot disturbed Forest,
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<geoCoordinate direction="north" orientation="latitude" precision="925" value="3.85">N 03°51'</geoCoordinate>
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,
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<geoCoordinate direction="east" orientation="longitude" precision="925" value="11.416667">E 011°25'</geoCoordinate>
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, ca 810 m a.s.l., 30.I.2015, leg A. R. Nzoko Fiemapong.
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</paragraph>
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<paragraph pageId="2" pageNumber="13">Paratype: 1 ♂ (SEM, lost).</paragraph>
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</subSubSection>
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<subSubSection pageId="2" pageNumber="13" type="etymology">
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<paragraph pageId="2" pageNumber="13">Etymology.</paragraph>
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<paragraph pageId="2" pageNumber="13">The species is named after Ongot, the type locality.</paragraph>
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</subSubSection>
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<subSubSection pageId="2" pageNumber="13" type="diagnosis">
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<paragraph pageId="2" pageNumber="13">Diagnosis.</paragraph>
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<paragraph pageId="2" pageNumber="13">
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<taxonomicName class="Diplopoda" family="Stemmiulidae" genus="Stemmiulus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Stemmiulus ongot" order="Stemmiulida" pageId="2" pageNumber="13" phylum="Arthropoda" rank="species" species="ongot">Stemmiulus ongot</taxonomicName>
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sp. n. is characterized by the first six pairs of male legs being densely setose, the lateral projection of the subterminal lobe of the gonopodal angiocoxites relatively short (Fig. 1H, I), the apical parts of the angiocoxite densely setose (Fig. 1H, I) and, especially, by the peculiar second pair of male legs (Fig. 1
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<normalizedToken originalValue="E–G">E-G</normalizedToken>
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), the telopodites of which are 2-segmented, the proximal segment being expanded apicolaterally and bearing a lateral fringe of setae.
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</paragraph>
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<caption pageId="2" pageNumber="13">
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<paragraph pageId="2" pageNumber="13">
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Figure 1.
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<taxonomicName class="Diplopoda" family="Stemmiulidae" genus="Stemmiulus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Stemmiulus ongot" order="Stemmiulida" pageId="2" pageNumber="13" phylum="Arthropoda" rank="species" species="ongot">Stemmiulus ongot</taxonomicName>
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Nzoko Fiemapong & VandenSpiegel, sp. n. ♂ paratype (SEM). A head front view B first leg-pair (one); C detail of the spatulate setae on the first leg-pair D leg-pairs 9 (paragonopods) oral view E, F, G leg-pair two, caudal, oral and latero-caudal views, respectively H, I leg-pair 8 (gonopods) caudal and oral views, respectively. Abbreviations: ac: apicolateral cluster of elongated setae, An: angiocoxite, amc: apicomedial cluster of setae, bc: basal cluster of setae, cp: conical projection, Co: colpocoxite, f: flagella, lf: lateral fringe of setae, lp: subterminal process, vmc: ventromedial cluster of setae, Scale bars 200
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<normalizedToken originalValue="µm">µm</normalizedToken>
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(A, H, I), 100
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<normalizedToken originalValue="µm">µm</normalizedToken>
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(B,
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<normalizedToken originalValue="D–G">D-G</normalizedToken>
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), 10
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<normalizedToken originalValue="µm">µm</normalizedToken>
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(C).
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</paragraph>
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</caption>
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</subSubSection>
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<subSubSection lastPageId="3" lastPageNumber="14" pageId="2" pageNumber="13" type="description">
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<paragraph pageId="2" pageNumber="13">Description.</paragraph>
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<paragraph pageId="2" pageNumber="13">Holotype: adult male, ca 15 mm in length, 1.7 mm in maximum diameter, body with 43 rings. Head and collum dark brown, other body rings brown with a light axial dorsal stripe, legs and antennae yellowish.</paragraph>
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<paragraph pageId="2" pageNumber="13">
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Head typical in shape, beset with numerous simple macrosetae (Fig. 1A); ommatidia 2+2, anterior ones slightly smaller; antennae long and setose, apices reaching fourth body ring.
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<taxonomicName genus="Gnathochilarium" lsidName="Gnathochilarium" pageId="2" pageNumber="13" rank="genus">Gnathochilarium</taxonomicName>
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concave, stipes densely and uniformly porose.
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</paragraph>
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<paragraph pageId="2" pageNumber="13">
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<taxonomicName genus="Collum" lsidName="Collum" pageId="2" pageNumber="13" rank="genus">Collum</taxonomicName>
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without any ornamentation. Body rings ovoid in transverse section, height/width ratio of midbody rings ca 0.41; no legless body rings in front of telson. Prozonites smooth, metazonites with oblique transverse striae.
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</paragraph>
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<paragraph pageId="2" pageNumber="13">First six pairs of legs covered with numerous plumose setae. First pair unmodified, tarsi with a fringe of ventral setae in basal 2/3, but forming no true brush, coxae, femora, postfemora and tibiae each with an apical cluster of prominently enlarged spatulate setae (Fig. 1B, C).</paragraph>
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<paragraph pageId="2" pageNumber="13">Second pair of legs with coxa enlarged and elongated, anterior face with traces of segmentation, setose over entire anterior surface, glabrous on posterior surface; laterally each produced into a prominent, elongated, conical projection (Fig. 1F, G) and with an apicomesal cluster of elongated setae. Telopodite 2-segmented, proximal segment with an apicolateral projection bearing a lateral fringe of setae, an apicomedial cluster of setae and a ventromedial cluster of long setae (Fig. 1F, G); distal segment long and slender, curved mesad, with a basal cluster of setae and plumose distally (Fig. 1G).</paragraph>
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<paragraph pageId="2" pageNumber="13">Pair 7 similar to following ones, without specialized setae.</paragraph>
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<paragraph pageId="2" pageNumber="13">
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<taxonomicName genus="Gonopod" lsidName="Gonopod" pageId="2" pageNumber="13" rank="genus">Gonopod</taxonomicName>
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structure (Fig. 1H, I) typical of the genus, angiocoxite with a small, projecting, subapicolateral process. Apex of colpocoxite simple, with neither a lobe nor a projection surrounding the flagella (Fig. 1H).
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</paragraph>
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<paragraph pageId="3" pageNumber="14">
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<taxonomicName genus="Paragonopods" lsidName="Paragonopods" pageId="3" pageNumber="14" rank="genus">
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<pageBreakToken pageId="3" pageNumber="14" start="start">Paragonopods</pageBreakToken>
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</taxonomicName>
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small and 3-segmented, median segment carrying a short series of long setae on medial side, distal segment minute, conical, with a few apical setae (Fig. 1D).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="3" pageNumber="14" type="relationships">
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<paragraph pageId="3" pageNumber="14">Relationships.</paragraph>
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<paragraph pageId="3" pageNumber="14">
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By the relative complexity of the gonopodal structure
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<taxonomicName lsidName="S. ongot" pageId="3" pageNumber="14" rank="species" species="ongot">S. ongot</taxonomicName>
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sp. n is closely related to
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<taxonomicName lsidName="S. albicephalus" pageId="3" pageNumber="14" rank="species" species="albicephalus">S. albicephalus</taxonomicName>
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from Tanzania, but the striations of the lateral sides of prozonae remind of those observed in
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<taxonomicName lsidName="S. infuscatus" pageId="3" pageNumber="14" rank="species" species="infuscatus">S. infuscatus</taxonomicName>
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from Cameroon. Nevertheless, the males of these species can easily be distinguished by the structure of the lateral projection of the colpocoxite which is small and apically setose in
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<taxonomicName lsidName="S. ongot" pageId="3" pageNumber="14" rank="species" species="ongot">S. ongot</taxonomicName>
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sp. n., and relatively elongate without setae in
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<taxonomicName lsidName="S. albicephalus" pageId="3" pageNumber="14" rank="species" species="albicephalus">S. albicephalus</taxonomicName>
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and
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<taxonomicName lsidName="S. infuscatus" pageId="3" pageNumber="14" rank="species" species="infuscatus">S. infuscatus</taxonomicName>
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. On the other hand, the conformation of the second pair of legs of
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<taxonomicName lsidName="S. ongot" pageId="3" pageNumber="14" rank="species" species="ongot">S. ongot</taxonomicName>
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sp. n. is unique in the entire genus
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<taxonomicName class="Diplopoda" family="Stemmiulidae" genus="Stemmiulus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Stemmiulus" order="Stemmiulida" pageId="3" pageNumber="14" phylum="Arthropoda" rank="genus">Stemmiulus</taxonomicName>
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.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="3" pageNumber="14" type="distribution">
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<paragraph pageId="3" pageNumber="14">Distribution.</paragraph>
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<paragraph pageId="3" pageNumber="14">Known only from the type locality.</paragraph>
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</subSubSection>
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</treatment>
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</document> |