170 lines
14 KiB
XML
170 lines
14 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/zookeys.814.29906" ID-GBIF-Dataset="9f2a12ca-b06a-44f1-8fb3-974576d45d7b" ID-PMC="PMC6333731" ID-Pensoft-Pub="1313-2970-814-1" ID-PubMed="30651710" ID-ZBK="387658E351B748FB843EBA532D350F43" ModsDocAuthor="" ModsDocDate="2019" ModsDocID="1313-2970-814-1" ModsDocOrigin="ZooKeys 814" ModsDocTitle="A new genus of Micromygalinae (Araneae, Microstigmatidae) from Brazil, with transfer of Masteriaemboaba Pedroso, Baptista & Bertani, 2015 and description of six new species" checkinTime="1547042486457" checkinUser="pensoft" docAuthor="Passanha, Victor, Cizauskas, Igor & Brescovit, Antonio D." docDate="2019" docId="18B0E0816EB28FBB7CE4F93416267907" docLanguage="en" docName="ZooKeys 814: 1-32" docOrigin="ZooKeys 814" docSource="http://dx.doi.org/10.3897/zookeys.814.29906" docTitle="Tonton Passanha, Cizauskas & Brescovit, 2019, gen. n." docType="treatment" docUuid="A5EF11F4-E89E-4B3F-8BF5-CCCB85B03F33" docUuidSource="ZooBank" docVersion="5" lastPageNumber="4" masterDocId="FFE26235FC5FFF8EFFB6CE4BFFE4EA76" masterDocTitle="A new genus of Micromygalinae (Araneae, Microstigmatidae) from Brazil, with transfer of Masteriaemboaba Pedroso, Baptista & Bertani, 2015 and description of six new species" masterLastPageNumber="32" masterPageNumber="1" pageNumber="3" updateTime="1668166719283" 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>A new genus of Micromygalinae (Araneae, Microstigmatidae) from Brazil, with transfer of Masteriaemboaba Pedroso, Baptista & Bertani, 2015 and description of six new species</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>Passanha, Victor</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>Cizauskas, Igor</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>Brescovit, Antonio D.</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>814</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>1</mods:start>
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<mods:end>32</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.814.29906</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.814.29906</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1313-2970-814-1</mods:identifier>
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<mods:identifier type="ZBK">387658E351B748FB843EBA532D350F43</mods:identifier>
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<mods:identifier type="ZooBank">387658E351B748FB843EBA532D350F43</mods:identifier>
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</mods:mods>
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<treatment ID-GBIF-Taxon="154127382" LSID="urn:lsid:zoobank.org:act:A5EF11F4-E89E-4B3F-8BF5-CCCB85B03F33" httpUri="http://treatment.plazi.org/id/18B0E0816EB28FBB7CE4F93416267907" lastPageId="3" lastPageNumber="4" pageId="2" pageNumber="3">
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<subSubSection pageId="2" pageNumber="3" type="nomenclature">
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<paragraph pageId="2" pageNumber="3">
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<taxonomicName LSID="http://zoobank.org/A5EF11F4-E89E-4B3F-8BF5-CCCB85B03F33" class="Arachnida" family="Microstigmatidae" genus="Tonton" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Tonton" order="Araneae" pageId="2" pageNumber="3" phylum="Arthropoda" rank="genus">Tonton</taxonomicName>
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<taxonomicNameLabel pageId="2" pageNumber="3">gen. n.</taxonomicNameLabel>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="2" pageNumber="3" type="type species">
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<paragraph pageId="2" pageNumber="3">Type species.</paragraph>
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<paragraph pageId="2" pageNumber="3">
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<taxonomicName class="Arachnida" family="Microstigmatidae" genus="Tonton" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Tonton itabirito" order="Araneae" pageId="2" pageNumber="3" phylum="Arthropoda" rank="species" species="itabirito">Tonton itabirito</taxonomicName>
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sp. n.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="2" pageNumber="3" type="etymology">
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<paragraph pageId="2" pageNumber="3">Etymology.</paragraph>
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<paragraph pageId="2" pageNumber="3">
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The generic name is derived from the Indian Krenak word
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<normalizedToken originalValue="“tón-tón”">"ton-ton"</normalizedToken>
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, and means small. The Krenak Indians, also known as Botocudos or
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<normalizedToken originalValue="Aimorés">Aimores</normalizedToken>
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and inhabited mainly southeastern Brazil, with great occupation in areas of the state of Minas Gerais. The generic name is neuter.
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</paragraph>
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</subSubSection>
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<subSubSection lastPageId="3" lastPageNumber="4" pageId="2" pageNumber="3" type="diagnosis">
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<paragraph pageId="2" pageNumber="3">Diagnosis.</paragraph>
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<paragraph lastPageId="3" lastPageNumber="4" pageId="2" pageNumber="3">
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Species of the genus
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<taxonomicName class="Arachnida" family="Microstigmatidae" genus="Tonton" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Tonton" order="Araneae" pageId="2" pageNumber="3" phylum="Arthropoda" rank="genus">Tonton</taxonomicName>
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differ from those of
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<taxonomicName class="Arachnida" family="Microstigmatidae" genus="Micromygale" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Micromygale" order="Araneae" pageId="2" pageNumber="3" phylum="Arthropoda" rank="genus">Micromygale</taxonomicName>
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, the only representative of
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<taxonomicName lsidName="" pageId="2" pageNumber="3" rank="subfamily" subfamily="Micromygalinae">Micromygalinae</taxonomicName>
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(see
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<bibRefCitation author="Platnick, NI" journalOrPublisher="American Museum Novitates" pageId="23" pageNumber="24" pagination="1 - 13" title="On the Micromygalinae, a new subfamily of mygalomorph spiders (Araneae, Microstigmatidae)." volume="2734" year="1982">Platnick and Forster 1982</bibRefCitation>
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: figs 12-15, 23-26), by having four spinnerets (Fig. 2B, D), while
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<taxonomicName class="Arachnida" family="Microstigmatidae" genus="Micromygale" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Micromygale" order="Araneae" pageId="2" pageNumber="3" phylum="Arthropoda" rank="genus">Micromygale</taxonomicName>
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have six (see
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<bibRefCitation author="Platnick, NI" journalOrPublisher="American Museum Novitates" pageId="23" pageNumber="24" pagination="1 - 13" title="On the Micromygalinae, a new subfamily of mygalomorph spiders (Araneae, Microstigmatidae)." volume="2734" year="1982">Platnick and Forster 1982</bibRefCitation>
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: fig. 24), lack a paraembolic apophysis on male palpal bulb (Fig. 1F), present in
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<taxonomicName class="Arachnida" family="Microstigmatidae" genus="Micromygale" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Micromygale" order="Araneae" pageId="2" pageNumber="3" phylum="Arthropoda" rank="genus">Micromygale</taxonomicName>
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(see
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<bibRefCitation author="Platnick, NI" journalOrPublisher="American Museum Novitates" pageId="23" pageNumber="24" pagination="1 - 13" title="On the Micromygalinae, a new subfamily of mygalomorph spiders (Araneae, Microstigmatidae)." volume="2734" year="1982">Platnick and Forster 1982</bibRefCitation>
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: figs 12-15), having bilobed spermathecae (Fig. 4
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<normalizedToken originalValue="E–F">E-F</normalizedToken>
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), in
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<taxonomicName class="Arachnida" family="Microstigmatidae" genus="Micromygale" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Micromygale" order="Araneae" pageId="2" pageNumber="3" phylum="Arthropoda" rank="genus">Micromygale</taxonomicName>
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unilobed (see
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<bibRefCitation author="Platnick, NI" journalOrPublisher="American Museum Novitates" pageId="23" pageNumber="24" pagination="1 - 13" title="On the Micromygalinae, a new subfamily of mygalomorph spiders (Araneae, Microstigmatidae)." volume="2734" year="1982">Platnick and Forster 1982</bibRefCitation>
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: figs 27-28), hav
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<pageBreakToken pageId="3" pageNumber="4" start="start">ing</pageBreakToken>
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a pulmonar opening (Fig. 2C), absent in
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<taxonomicName class="Arachnida" family="Microstigmatidae" genus="Micromygale" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Micromygale" order="Araneae" pageId="3" pageNumber="4" phylum="Arthropoda" rank="genus">Micromygale</taxonomicName>
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, and the lack of an abdominal shield (Fig. 2B), present in
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<taxonomicName class="Arachnida" family="Microstigmatidae" genus="Micromygale" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Micromygale" order="Araneae" pageId="3" pageNumber="4" phylum="Arthropoda" rank="genus">Micromygale</taxonomicName>
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(see
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<bibRefCitation author="Platnick, NI" journalOrPublisher="American Museum Novitates" pageId="23" pageNumber="24" pagination="1 - 13" title="On the Micromygalinae, a new subfamily of mygalomorph spiders (Araneae, Microstigmatidae)." volume="2734" year="1982">Platnick and Forster 1982</bibRefCitation>
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: fig. 23).
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</paragraph>
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<caption pageId="3" pageNumber="4">
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<paragraph pageId="3" pageNumber="4">
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Figure 1.
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<taxonomicName class="Arachnida" family="Microstigmatidae" genus="Tonton" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Tonton" order="Araneae" pageId="3" pageNumber="4" phylum="Arthropoda" rank="genus">Tonton</taxonomicName>
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spp. morphological characters. A serrula, lateral view B tarsal claw, retrolateral view C tricobothrium, dorsal view D detail of serrula and projected palpal coxae, ventral view E tarsal organ, dorsal view F detail of slender tricobothria, leg I. Scale bars: 20
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<normalizedToken originalValue="μm">μm</normalizedToken>
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(A); 30
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<normalizedToken originalValue="μm">μm</normalizedToken>
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(B); 5
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<normalizedToken originalValue="μm">μm</normalizedToken>
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(C); 20
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<normalizedToken originalValue="μm">μm</normalizedToken>
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(D); 5
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<normalizedToken originalValue="μm">μm</normalizedToken>
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(E); 300
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<normalizedToken originalValue="μm">μm</normalizedToken>
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(F).
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</paragraph>
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</caption>
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<caption pageId="3" pageNumber="4">
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<paragraph pageId="3" pageNumber="4">
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Figure 2.
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<taxonomicName class="Arachnida" family="Microstigmatidae" genus="Tonton" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Tonton" order="Araneae" pageId="3" pageNumber="4" phylum="Arthropoda" rank="genus">Tonton</taxonomicName>
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spp. morphological characters. A body coloration in dorsal view (
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<taxonomicName lsidName="T. ipiau" pageId="3" pageNumber="4" rank="species" species="ipiau">T. ipiau</taxonomicName>
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sp. n.) B body coloration in ventral view (
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<taxonomicName lsidName="T. ipiau" pageId="3" pageNumber="4" rank="species" species="ipiau">T. ipiau</taxonomicName>
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sp. n.) C booklung opening, ventral view (
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<taxonomicName lsidName="T. ipiau" pageId="3" pageNumber="4" rank="species" species="ipiau">T. ipiau</taxonomicName>
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sp. n.) D spinnerets, ventral view (
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<taxonomicName lsidName="T. ipiau" pageId="3" pageNumber="4" rank="species" species="ipiau">T. ipiau</taxonomicName>
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sp. n.) E, F detail of cuticle in
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<taxonomicName lsidName="T. emboaba" pageId="3" pageNumber="4" rank="species" species="emboaba">T. emboaba</taxonomicName>
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(cephalothorax, dorsal view and Leg I, prolateral view). Scale bars: 1mm (A); 1mm (B); 50µm (C); 200µm (D); 100µm (E); 200µm (F).
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</paragraph>
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</caption>
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</subSubSection>
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<subSubSection pageId="3" pageNumber="4" type="description">
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<paragraph pageId="3" pageNumber="4">Description.</paragraph>
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<paragraph pageId="3" pageNumber="4">
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Small-sized mygalomorph spiders, total length 1.80-3.04. Coloration: carapace in dorsal view, chelicerae, legs varying from whitish to light yellow. Palpal coxae, labium, sternum whitish to light yellow. Abdomen whitish or light yellow (Fig. 2A, B). Clypeus narrow (0.02-0.06), absent in
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<taxonomicName lsidName="T. itabirito" pageId="3" pageNumber="4" rank="species" species="itabirito">T. itabirito</taxonomicName>
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sp. n. Chelicerae without rastellum. Basal segment of chelicerae with prolateral row of 6-14 teeth, 4-10 mesobasal teeth aligned (Fig. 7H). Absence of ocular tubercle, with six eyes (lateral eyes vestigial) (Fig. 6A) or absence of eyes, having only a vestigial ocular spot (
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<taxonomicName lsidName="T. itabirito" pageId="3" pageNumber="4" rank="species" species="itabirito">T. itabirito</taxonomicName>
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sp. n.) (Fig. 4A); anterior/posterior row slightly recurved, AME absent. Labium wider than long, without cuspules. Palpal coxae with short anterior lobe, bearing serrula with teeth clumped in series of several rows on distal border (Fig. 1A, D). Sternum oval, longer than wide, without visible sigilla. Legs with one row of tricobothria on tarsi/metatarsi (dorsal); two on dorsal tibia. Tarsus without scopulae, with sensorial setae thin, slightly interspaced or thick, abundant. Superior tarsal claws with one row of teeth (6-14), inferior tarsal claw present on all legs, with 1-5 teeth (Fig. 1B). Tricobothria filiform, with corrugated base, with keels until half of extension (Fig. 1C, F). Abdomen with ovate pulmonar opening (Fig. 2C). Posterior median spinneret short with spigots on apex. Posterior lateral spinneret three-segmented, long, apical segment with triangular apex, spigots present on ventral face (major ampulate, aciniform, and pumpkiniform spigots) (Fig. 2D). Female palp varying from 2-7 ventral spines tarsal basis, tarsal claw with one central row of 11-15 teeth (Fig. 6C). Male palp: cymbium with 4-6 apical spines (Fig. 7D), prolateral lobe (Figs 3E, 7D) and one row of trichobothria on tarsi and two on tibia; palpal tibia with one discreet row of retrolateral setae, on medial region (Fig. 5E), excavated in distal median area (Fig. 5E); piriform bulb (oval in
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<taxonomicName lsidName="T. queca" pageId="3" pageNumber="4" rank="species" species="queca">T. queca</taxonomicName>
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sp. n.); elongated embolus almost length of the bulb (Fig. 10C). Female genitalia: two spermathecae, with two lobes each side, internal lobe long, external lobe short (Fig. 6D), except
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<taxonomicName lsidName="T. ipiau" pageId="3" pageNumber="4" rank="species" species="ipiau">T. ipiau</taxonomicName>
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sp. n., almost as long as external lobe (Fig. 10
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<normalizedToken originalValue="F–G">F-G</normalizedToken>
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).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="3" pageNumber="4" type="distribution">
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<paragraph pageId="3" pageNumber="4">Distribution.</paragraph>
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<paragraph pageId="3" pageNumber="4">
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Cave and mountainous region of the state of Minas Gerais and states of Bahia (Atlantic forest) and
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<normalizedToken originalValue="Maranhão">Maranhao</normalizedToken>
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(Brazilian cerrado).
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</paragraph>
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</subSubSection>
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</treatment>
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</document> |