217 lines
18 KiB
XML
217 lines
18 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/zookeys.163.2003" ID-GBIF-Dataset="daef9891-760b-4f45-a77a-53459f6a2162" ID-PMC="PMC3253665" ID-Pensoft-Pub="1313-2970-163-13" ID-PubMed="22303128" ModsDocAuthor="" ModsDocDate="2012" ModsDocID="1313-2970-163-13" ModsDocOrigin="ZooKeys 163" ModsDocTitle="Commensal Leucothoidae (Crustacea, Amphipoda) of the Ryukyu Archipelago, Japan. Part I: ascidian-dwellers" checkinTime="1451249396492" checkinUser="pensoft" docAuthor="White, Kristine N. & Reimer, James Davis" docDate="2012" docId="C0FF5A7882B6786F15148CA994CFB002" docLanguage="en" docName="ZooKeys 163: 13-55" docOrigin="ZooKeys 163" docSource="http://dx.doi.org/10.3897/zookeys.163.2003" docTitle="Leucothoe trulla White & Reimer, 2012, sp. n." docType="treatment" docVersion="4" lastPageNumber="33" masterDocId="FFFDB4372D483E07FFC5FF96FFDA8A34" masterDocTitle="Commensal Leucothoidae (Crustacea, Amphipoda) of the Ryukyu Archipelago, Japan. Part I: ascidian-dwellers" masterLastPageNumber="55" masterPageNumber="13" pageNumber="30" updateTime="1668153144330" 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>Commensal Leucothoidae (Crustacea, Amphipoda) of the Ryukyu Archipelago, Japan. Part I: ascidian-dwellers</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>White, Kristine N.</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>Reimer, James Davis</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>2012</mods:date>
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<mods:detail type="volume">
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<mods:number>163</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>13</mods:start>
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<mods:end>55</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.163.2003</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.163.2003</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1313-2970-163-13</mods:identifier>
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</mods:mods>
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<treatment ID-GBIF-Taxon="152032979" LSID="urn:lsid:zoobank.org:act:211A291A-EBDE-47F1-86F6-3BE9D376049D" httpUri="http://treatment.plazi.org/id/C0FF5A7882B6786F15148CA994CFB002" lastPageId="20" lastPageNumber="33" pageId="17" pageNumber="30">
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<subSubSection pageId="17" pageNumber="30" type="nomenclature">
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<paragraph pageId="17" pageNumber="30">
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<taxonomicName LSID="urn:lsid:zoobank.org:act:211A291A-EBDE-47F1-86F6-3BE9D376049D" class="Malacostraca" family="Leucothoidae" genus="Leucothoe" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Leucothoe trulla" order="Amphipoda" pageId="17" pageNumber="30" phylum="Arthropoda" rank="species" species="trulla">Leucothoe trulla</taxonomicName>
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<taxonomicNameLabel pageId="17" pageNumber="30">sp. n.</taxonomicNameLabel>
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Figs 1112
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</paragraph>
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</subSubSection>
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<subSubSection pageId="17" pageNumber="30" type="type material">
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<paragraph pageId="17" pageNumber="30">Type material.</paragraph>
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<paragraph pageId="17" pageNumber="30">
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Holotype male, 4.3 mm, RUMF-ZC-1669, Inoda Beach patch reef (
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<geoCoordinate direction="north" orientation="latitude" precision="15" value="24.462778">24°27'46"N</geoCoordinate>
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,
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<geoCoordinate direction="east" orientation="longitude" precision="15" value="124.25361">124°15'13"E</geoCoordinate>
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), coral rubble, K.N. White col. 20 April 2011 (KNWIshigaki3G). Paratype female, 4.4 mm, RUMF-ZC-1670, same station data as holotype.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="17" pageNumber="30" type="type locality">
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<paragraph pageId="17" pageNumber="30">Type locality.</paragraph>
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<paragraph pageId="17" pageNumber="30">
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Inoda Beach, Ishigaki, Japan (
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<geoCoordinate direction="north" orientation="latitude" precision="15" value="24.462778">24°27'46"N</geoCoordinate>
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,
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<geoCoordinate direction="east" orientation="longitude" precision="15" value="124.25361">124°15'13"E</geoCoordinate>
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).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="18" pageNumber="31" type="additional material examined">
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<paragraph pageId="18" pageNumber="31">
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<pageBreakToken pageId="18" pageNumber="31" start="start">Additional</pageBreakToken>
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material examined.
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</paragraph>
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<paragraph pageId="18" pageNumber="31">2 specimens, RUMF-ZC-1671, KNWIriomote4A; 3 specimens, NSMT -Cr21820, KNWIshigaki3G.</paragraph>
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</subSubSection>
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<subSubSection pageId="18" pageNumber="31" type="diagnosis (male)">
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<paragraph pageId="18" pageNumber="31">Diagnosis (male).</paragraph>
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<paragraph pageId="18" pageNumber="31">Maxilla 1 palp 1-articulate, margins constricted. Gnathopod 1 coxa posterior margin distally serrate. Gnathopod 2 coxa distal margin serrate; carpus distally truncate, spoon-like; propodus mediofacial setal row displaced to midline.</paragraph>
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</subSubSection>
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<subSubSection lastPageId="20" lastPageNumber="33" pageId="19" pageNumber="32" type="description (male)">
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<paragraph pageId="19" pageNumber="32">
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<pageBreakToken pageId="19" pageNumber="32" start="start">Description</pageBreakToken>
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(male).
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</paragraph>
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<paragraph pageId="19" pageNumber="32">
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Head. Anterior margin rounded, anterodistal margin evenly rounded; ventral cephalic keel anterior margin excavate, anteroventral margin rounded with an anteriorly projecting cusp, ventral margin straight; eyes with more than 10 ommatidia, round. Antenna 1 0.4
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<normalizedToken originalValue="×">x</normalizedToken>
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body length, flagellum 10-articulate, peduncle article 1 width less than 2
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<normalizedToken originalValue="×">x</normalizedToken>
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article 2, accessory flagellum 1-articulate, aesthetascs present. Antenna 2 0.3
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<normalizedToken originalValue="×">x</normalizedToken>
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body length, shorter than antenna 1, flagellum 5-articulate. Mandibular palp ratio of articles 1-3, 1.0: 2.7: 1.4, article 2 with 5-6 setae, article 3 with 2 distal setae, incisors weakly dentate; left mandible with 7 raker spines, lacinia mobilis large, strongly toothed; right mandible with 7 raker spines, lacinia mobilis small, weakly dentate. Upper lip asymmetrically lobate, anterior margin setose. Lower lip inner lobes fused, bare; outer lobes with moderate gape, anterior margins setose. Maxilla 1 palp 1-articulate, margins constricted, with 3 distal setae; outer plate with 7 distal robust setae. Maxilla 2 inner plate with 5 distal setae, 3 marginal setae, and facial setae; outer plate with 4 robust distal setae and 15 marginal setae. Maxilliped inner plates distal margin with v-shaped indentation, with short robust setae and short setae; outer plate inner margin smooth, reaching 0.2
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<normalizedToken originalValue="×">x</normalizedToken>
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length of palp article 1, with simple and plumose marginal setae, facial setae absent; palp article 4 subequal in length with article 3, distally acute.
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</paragraph>
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<paragraph pageId="19" pageNumber="32">
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Pereon. Coxae 1-4 relative widths 1.0: 1.3: 1.1: 1.8. Gnathopod 1 coxa smooth, with tiny marginal setae, smooth, anterodistal margin produced, subquadrate with cusp, distal margin straight, posterior margin excavate, distally serrate, facial setae absent; basis linear, anterior margin with 6 setae, posterior margin bare; ischium bare; carpus linear, length 19.8
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<normalizedToken originalValue="×">x</normalizedToken>
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width, proximal margin dentate, distal margin with 3 short setae; propodus straight, palm dentate with 5 distal setae; dactylus smooth, reaching 0.4
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<normalizedToken originalValue="×">x</normalizedToken>
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propodus length. Gnathopod 2 coxa longer than broad, subequal to coxa 3, smooth, with tiny marginal setae, distal margin serrate, anterodistally rounded, distal margin straight, posterior margin straight, facial setae absent; basis distally expanded, anterior margin with 6 short setae, posterior margin bare; ischium bare; carpus 0.3
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<normalizedToken originalValue="×">x</normalizedToken>
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propodus length, curved, distally truncate, spoon-like, anterior margin smooth; propodus with 1 slightly displaced mediofacial setal row, reaching 0.6
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<normalizedToken originalValue="×">x</normalizedToken>
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propodus length, with 1 row of submarginal setae, posterior margin smooth, palm convex with 3 major and 2 minor tubercles; dactylus curved, proximal margin smooth, bare, anterior margin distally subacute, reaching 0.7
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<normalizedToken originalValue="×">x</normalizedToken>
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propodus length. Pereopod 3 coxa length 1.3
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<normalizedToken originalValue="×">x</normalizedToken>
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width, anterodistal corner overriding distal face of coxa 2, extending below it, smooth, bare, anterior margin straight, distal margin oblique, posterior margin straight, facial setae absent. Pereopod 4 coxa smooth, bare, anterior margin straight, distal margin evenly rounded, posterior margin excavate, facial setae absent. Pereopods 5-7 coxae facial setae absent; bases slightly posteriorly tapered, width length ratios 1: 1.3, 1: 1.3, 1: 1.4; posterior margins smooth, bare.
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</paragraph>
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<paragraph lastPageId="20" lastPageNumber="33" pageId="19" pageNumber="32">
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Pleon. Epimera 1-3 with ventral setae; epimeron 3 posteroventral corner rounded. Uropods 1-2 relative lengths 1.0: 0.8. Uropod 1 peduncle 0.9
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<normalizedToken originalValue="×">x</normalizedToken>
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inner ramus length; outer ramus 0.9
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<normalizedToken originalValue="×">x</normalizedToken>
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inner ramus length; inner ramus with 5 robust seta; outer ramus with 8 robust setae. Uropod 2 peduncle 0.9
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<normalizedToken originalValue="×">x</normalizedToken>
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inner ramus length; outer ramus 0.7
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<normalizedToken originalValue="×">x</normalizedToken>
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<pageBreakToken pageId="20" pageNumber="33" start="start">inner</pageBreakToken>
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ramus length; inner and outer rami each with 4 robust setae. Uropod 3 missing. Telson 2.3
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<normalizedToken originalValue="×">x</normalizedToken>
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longer than wide, apex weakly tridentate.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="20" pageNumber="33" type="female (sexually dimorphic characters)">
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<paragraph pageId="20" pageNumber="33">Female (sexually dimorphic characters).</paragraph>
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<paragraph pageId="20" pageNumber="33">
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Gnathopod 1 basis anterior margin with 5 setae, posterior margin with 4 setae; carpus distal margin with 2 short setae. Gnathopod 2 basis anterior margin with 13 short and medium setae; ischium with 2 distal setae; carpus truncate, not spoon-like; propodus palm with smaller tubercles. Uropod 3 peduncle 0.7
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<normalizedToken originalValue="×">x</normalizedToken>
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inner ramus length; outer ramus broken; inner and outer rami with robust setae.
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</paragraph>
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<caption pageId="20" pageNumber="33">
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<paragraph pageId="20" pageNumber="33">
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Figure 11.
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<taxonomicName class="Malacostraca" family="Leucothoidae" genus="Leucothoe" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Leucothoe trulla" order="Amphipoda" pageId="20" pageNumber="33" phylum="Arthropoda" rank="species" species="trulla">Leucothoe trulla</taxonomicName>
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sp. n., holotype male, 4.3 mm, RUMF-ZC-1669; paratype female, 4.4 mm, RUMF-ZC-1670.
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</paragraph>
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</caption>
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<caption pageId="20" pageNumber="33">
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<paragraph pageId="20" pageNumber="33">
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Figure 12.
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<taxonomicName class="Malacostraca" family="Leucothoidae" genus="Leucothoe" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Leucothoe trulla" order="Amphipoda" pageId="20" pageNumber="33" phylum="Arthropoda" rank="species" species="trulla">Leucothoe trulla</taxonomicName>
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sp. n., holotype male, 4.3 mm, RUMF-ZC-1669; paratype female, 4.4 mm, RUMF-ZC-1670.
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</paragraph>
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</caption>
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</subSubSection>
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<subSubSection pageId="20" pageNumber="33" type="etymology">
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<paragraph pageId="20" pageNumber="33">Etymology.</paragraph>
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<paragraph pageId="20" pageNumber="33">
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After the Latin
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<normalizedToken originalValue="‘trulla’">'trulla'</normalizedToken>
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, meaning 'stirring spoon,
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<normalizedToken originalValue="skimmer’">skimmer'</normalizedToken>
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and referring to the spoon-like carpus on male gnathopod 2.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="20" pageNumber="33" type="ecology">
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<paragraph pageId="20" pageNumber="33">Ecology.</paragraph>
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<paragraph pageId="20" pageNumber="33">
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In branchial chamber of solitary ascidian,
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<taxonomicName class="Hexanauplia" family="Aegisthidae" genus="Herdmania" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Herdmania" order="Harpacticoida" pageId="20" pageNumber="33" phylum="Arthropoda" rank="genus">Herdmania</taxonomicName>
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(Fig. 18A); and coral rubble.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="20" pageNumber="33" type="relationships">
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<paragraph pageId="20" pageNumber="33">Relationships.</paragraph>
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<paragraph pageId="20" pageNumber="33">
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<taxonomicName class="Malacostraca" family="Leucothoidae" genus="Leucothoe" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Leucothoe trulla" order="Amphipoda" pageId="20" pageNumber="33" phylum="Arthropoda" rank="species" species="trulla">Leucothoe trulla</taxonomicName>
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is similar to
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<taxonomicName class="Malacostraca" family="Leucothoidae" genus="Leucothoe" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Leucothoe commensalis" order="Amphipoda" pageId="20" pageNumber="33" phylum="Arthropoda" rank="species" species="commensalis">Leucothoe commensalis</taxonomicName>
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,
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<taxonomicName class="Malacostraca" family="Leucothoidae" genus="Leucothoe" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Leucothoe wuriti" order="Amphipoda" pageId="20" pageNumber="33" phylum="Arthropoda" rank="species" species="wuriti">Leucothoe wuriti</taxonomicName>
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,
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<taxonomicName class="Malacostraca" family="Leucothoidae" genus="Leucothoe" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Leucothoe epidemos" order="Amphipoda" pageId="20" pageNumber="33" phylum="Arthropoda" rank="species" species="epidemos">Leucothoe epidemos</taxonomicName>
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, and
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<taxonomicName class="Malacostraca" family="Leucothoidae" genus="Leucothoe" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Leucothoe thula" order="Amphipoda" pageId="20" pageNumber="33" phylum="Arthropoda" rank="species" species="thula">Leucothoe thula</taxonomicName>
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. The members of this "
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<taxonomicName class="Malacostraca" family="Leucothoidae" genus="Leucothoe" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Leucothoe commensalis" order="Amphipoda" pageId="20" pageNumber="33" phylum="Arthropoda" rank="species" species="commensalis">Leucothoe commensalis</taxonomicName>
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group" share a rounded head, long gnathopod 1 dactylus, a displaced gnathopod 2 propodus mediofacial setal row, and wide pereopod 5-7 bases. This species is also similar to
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<taxonomicName class="Malacostraca" family="Leucothoidae" genus="Leucothoe" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Leucothoe alata" order="Amphipoda" pageId="20" pageNumber="33" phylum="Arthropoda" rank="species" species="alata">Leucothoe alata</taxonomicName>
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,
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<taxonomicName class="Malacostraca" family="Leucothoidae" genus="Leucothoe" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Leucothoe dentata" order="Amphipoda" pageId="20" pageNumber="33" phylum="Arthropoda" rank="species" species="dentata">Leucothoe dentata</taxonomicName>
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Ledoyer, 1973,
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<taxonomicName class="Malacostraca" family="Leucothoidae" genus="Leucothoe" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Leucothoe denticulata" order="Amphipoda" pageId="20" pageNumber="33" phylum="Arthropoda" rank="species" species="denticulata">Leucothoe denticulata</taxonomicName>
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Costa, 1853,
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<taxonomicName class="Malacostraca" family="Leucothoidae" genus="Leucothoe" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Leucothoe epidemos" order="Amphipoda" pageId="20" pageNumber="33" phylum="Arthropoda" rank="species" species="epidemos">Leucothoe epidemos</taxonomicName>
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,
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<taxonomicName class="Malacostraca" family="Leucothoidae" genus="Leucothoe" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Leucothoe lihue" order="Amphipoda" pageId="20" pageNumber="33" phylum="Arthropoda" rank="species" species="lihue">Leucothoe lihue</taxonomicName>
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Barnard, 1970,
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<taxonomicName class="Malacostraca" family="Leucothoidae" genus="Leucothoe" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Leucothoe rudicula" order="Amphipoda" pageId="20" pageNumber="33" phylum="Arthropoda" rank="species" species="rudicula">Leucothoe rudicula</taxonomicName>
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White and Thomas, 2009,and
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<taxonomicName class="Malacostraca" family="Leucothoidae" genus="Leucothoe" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Leucothoe tolkieni" order="Amphipoda" pageId="20" pageNumber="33" phylum="Arthropoda" rank="species" species="tolkieni">Leucothoe tolkieni</taxonomicName>
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Vinogradov, 1990 in having a spoon-like gnathopod 2 carpus. This species differs from all of these species in having a ventral cephalic keel with an excavate anterior margin; constricted margins on the maxilla 1 palp, a serrate coxa 1 posteroventral margin; a serrate distal coxa 2 margin; and a rounded epimeron 3 posteroventral corner.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="20" pageNumber="33" type="remarks">
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<paragraph pageId="20" pageNumber="33">Remarks.</paragraph>
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<paragraph pageId="20" pageNumber="33">
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<taxonomicName class="Malacostraca" family="Leucothoidae" genus="Leucothoe" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Leucothoe trulla" order="Amphipoda" pageId="20" pageNumber="33" phylum="Arthropoda" rank="species" species="trulla">Leucothoe trulla</taxonomicName>
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has faint pink-red stripes along pereonite edges and a slightly darker
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<normalizedToken originalValue="“saddleback”">"saddleback"</normalizedToken>
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color in the middle (Fig. 17F). This species is endemic to the southern Ryukyu Islands.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="20" pageNumber="33" type="distribution">
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<paragraph pageId="20" pageNumber="33">Distribution.</paragraph>
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<paragraph pageId="20" pageNumber="33">
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East China Sea:
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<normalizedToken originalValue="Ishigaki–jima">Ishigaki-jima</normalizedToken>
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Island and
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<normalizedToken originalValue="Iriomote–jima">Iriomote-jima</normalizedToken>
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Island, Okinawa, Japan.
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</paragraph>
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</subSubSection>
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</treatment>
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</document> |