513 lines
55 KiB
XML
513 lines
55 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/zookeys.1191.113840" ID-Pensoft-Pub="1313-2970-1191-105" ID-Pensoft-UUID="DE24AF5880935A679C9F5ECC1B1922C2" ID-ZooBank="389318B6701B43B09B2408185E930018" ModsDocID="1313-2970-1191-105" checkinTime="1707829837957" checkinUser="pensoft" docAuthor="Mussini, Giovanni, Stepan, Nicole D. & Vargas, Gersey" docDate="2024" docId="7512E1A5487D5E169F6B1C21F077D442" docLanguage="en" docName="ZooKeys 1191: 105-127" docOrigin="ZooKeys 1191" docPubDate="2024-02-12" docSource="http://dx.doi.org/10.3897/zookeys.1191.113840" docTitle="Hyalella mboitui Mussini & Stepan & Vargas 2024, sp. nov." docType="treatment" docUuid="B7930020-036E-457F-AEDF-26DE31C2B599" docUuidSource="ZooBank" docVersion="1" id="DE24AF5880935A679C9F5ECC1B1922C2" lastPageNumber="105" masterDocId="DE24AF5880935A679C9F5ECC1B1922C2" masterDocTitle="Two new species of Hyalella (Amphipoda, Dogielinotidae) from the Humid Chaco ecoregion of Paraguay" masterLastPageNumber="127" masterPageNumber="105" pageNumber="105" updateTime="1707829837957" updateUser="pensoft">
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<mods:mods id="714C84A6768F025C48C195241239DCA0" xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:titleInfo id="927D945F95F14E46DBE06DA20A03770A">
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<mods:title id="FE9C75BFD99C11DA35A284FAA44CFA99">Two new species of Hyalella (Amphipoda, Dogielinotidae) from the Humid Chaco ecoregion of Paraguay</mods:title>
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</mods:titleInfo>
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<mods:name id="970F1C8F2E875AB4348A92995F5AABF6" type="personal">
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<mods:roleTerm id="8B45F16057778AAD5CD7E949B94966FE">Author</mods:roleTerm>
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<mods:namePart id="76F539C889F055AB6801FADB0BA0035C">Mussini, Giovanni</mods:namePart>
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<mods:nameIdentifier id="49324632F7E8029D515EFED424036052" type="ORCID">https://orcid.org/0009-0002-1093-5865</mods:nameIdentifier>
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<mods:affiliation id="8A048408CC96B3D78D00C833EC92791A">Department of Earth Sciences, Downing Street, University of Cambridge, CB 2 3 EQ, Cambridge, UK</mods:affiliation>
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<mods:nameIdentifier id="2EC56719D2F49939C6B349F0AEDAFFE0" type="email">gm726@cam.ac.uk</mods:nameIdentifier>
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</mods:name>
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<mods:name id="F82EE413EB1300A14E0F2A6785FC4B09" type="personal">
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<mods:roleTerm id="417FBCCB84E169B7259CC7C92856CB40">Author</mods:roleTerm>
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</mods:role>
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<mods:namePart id="5B40A695634ACC78D3D818B1E5EF9535">Stepan, Nicole D.</mods:namePart>
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<mods:affiliation id="342EED320543A06D08CD87325E8C0F6A">Coleccion Cientifica Para La Tierra (CCPLT), Fundacion Para La Tierra, Centro IDEAL, 321, Mariscal Jose Felix Estigarribia, c / Teniente Capurro, Pilar, Neembucu, Paraguay</mods:affiliation>
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<mods:name id="2B474AC3BDFFE72597F0B5D6EBB682FE" type="personal">
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</mods:role>
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<mods:namePart id="7932A640E50FE1988041415F5E764992">Vargas, Gersey</mods:namePart>
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<mods:nameIdentifier id="6A84CA2EB4FAF90135ED138E04F9E977" type="ORCID">https://orcid.org/0000-0002-5625-8284</mods:nameIdentifier>
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<mods:affiliation id="F4F67CD3882408334F4C2A60709786B4">Coleccion Cientifica Para La Tierra (CCPLT), Fundacion Para La Tierra, Centro IDEAL, 321, Mariscal Jose Felix Estigarribia, c / Teniente Capurro, Pilar, Neembucu, Paraguay</mods:affiliation>
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<mods:typeOfResource id="27A5506DF33333F77A7E6338B7CE15A9">text</mods:typeOfResource>
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<mods:titleInfo id="50AC0AF32F55F97F0DECB0DC745E1F01">
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<mods:title id="32FA218E0FD223FCC524AD721E56E6A3">ZooKeys</mods:title>
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</mods:titleInfo>
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<mods:part id="02A8FB8D9F30C92DB0FC1410F76863DF">
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<mods:date id="C366359D675F77CF2D974F0A1EAE8F0B">2024</mods:date>
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<mods:number id="AADC5589DB3CCAA7095A4E1E13827AAA">2024-02-12</mods:number>
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<mods:number id="2CFCC231D8CEE9D56FCF5077F0D38DDD">1191</mods:number>
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<mods:start id="369AB4EB6E53CA33DB59AB30920BE409">105</mods:start>
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<mods:end id="967F33498B6BBB0F219417F3A81992C3">127</mods:end>
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<mods:url id="EF0CACBFC850B34E60FD55F8104AD4BB">http://dx.doi.org/10.3897/zookeys.1191.113840</mods:url>
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</mods:location>
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<mods:classification id="82EA6BA39B73C5D1BF0370D878DFCA67">journal article</mods:classification>
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<mods:identifier id="19B30697B28F3B9E9CBDCA89D876A24A" type="DOI">http://dx.doi.org/10.3897/zookeys.1191.113840</mods:identifier>
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<mods:identifier id="32524AE35B9A0106C1322CDB47F29D6C" type="ZooBank">389318B6701B43B09B2408185E930018</mods:identifier>
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</mods:mods>
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<treatment id="7512E1A5487D5E169F6B1C21F077D442" LSID="urn:lsid:zoobank.org:act:B7930020-036E-457F-AEDF-26DE31C2B599" httpUri="http://treatment.plazi.org/id/7512E1A5487D5E169F6B1C21F077D442" lastPageNumber="105" pageId="0" pageNumber="105">
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<subSubSection id="35149C08DDF0FB7E910D4090E77B4F5C" pageId="0" pageNumber="105" type="nomenclature">
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<paragraph id="A84E33B0F01B664EB54EE564859729F9" pageId="0" pageNumber="105">
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<taxonomicName id="31A553F2FC5051A8EC906D36F0F608AF" LSID="https://zoobank.org/B7930020-036E-457F-AEDF-26DE31C2B599" authority="Mussini & Stepan & Vargas, 2024" authorityName="Mussini & Stepan & Vargas" authorityYear="2024" class="Malacostraca" family="Hyalellidae" genus="Hyalella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Hyalella mboitui" order="Amphipoda" pageId="0" pageNumber="105" phylum="Arthropoda" rank="species" species="mboitui" status="sp. nov.">Hyalella mboitui</taxonomicName>
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<taxonomicNameLabel id="800ADF08C80C2328B752ABB3CC4BAA06" pageId="0" pageNumber="105">sp. nov.</taxonomicNameLabel>
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</paragraph>
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||
</subSubSection>
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||
<subSubSection id="83BBD4FC4D6E33056F95233DCDA9F288" pageId="0" pageNumber="105" type="type material">
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||
<paragraph id="B9243F6559B555B49F070E94F01B780B" pageId="0" pageNumber="105">Type material.</paragraph>
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||
<paragraph id="9E36AD932A40574967160DCCD3A2FF7A" pageId="0" pageNumber="105">
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<emphasis id="E0CC633A046A872AF728357872F6846B" bold="true" italics="true" pageId="0" pageNumber="105">Holotype</emphasis>
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, male (Fig.
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<figureCitation id="E07BBFDB5B13BC33902FC5F2F72ABC30" captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Hyalella mboitui sp. nov., Department of Neembucu, Paraguay A holotype, male B allotype, female. Scale bars: 1 mm." figureDoi="10.3897/zookeys.1191.113840.figure1" httpUri="https://binary.pensoft.net/fig/983115" pageId="0" pageNumber="105">1A</figureCitation>
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), total body length = 8.29 mm, head length = 0.89 mm (CIPLT-O-38); Allotype female (Fig.
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<figureCitation id="5EC3F1AF2C2BECA956BAD7A66E971527" captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Hyalella mboitui sp. nov., Department of Neembucu, Paraguay. Paratype, male A habitus B antenna 1 C antenna 2 D upper lip E left mandible, with detail of lacinia and incisor rotated anticlockwise (E 1) and clockwise (E 2) F right mandible, with detail of lacinia and incisor rotated anticlockwise (F 1) and clockwise (F 2) G lower lip H maxilla 1 I maxilla 2 J maxilliped. Scale bars: 1 mm (A); 0.5 mm (B, C); 0.2 mm (D-J); 0.1 mm (E 1, E 2, F 1, F 2)." figureDoi="10.3897/zookeys.1191.113840.figure2" httpUri="https://binary.pensoft.net/fig/983116" pageId="0" pageNumber="105">2A</figureCitation>
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), total body length = 7.10 mm, head length = 0.70 mm (CIPLT-O-38). Paraguay, Department of
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<normalizedToken id="26C423E28AAA06155DA29B5DC74E3915" originalValue="Ñeembucú">Neembucu</normalizedToken>
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, Pilar, Ring Road field locality (
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<geoCoordinate id="1258B6FB86D9E241645B819BEA9446C4" degrees="26" direction="south" minutes="52" orientation="latitude" precision="15" seconds="31" value="-26.875278">26°52'31"S</geoCoordinate>
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,
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<geoCoordinate id="BCFACF61869EB94002D0F0E2CD81B3B1" degrees="58" direction="west" minutes="14" orientation="longitude" precision="15" seconds="59" value="-58.24972">58°14'59"W</geoCoordinate>
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), September, 08, 2021.
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<emphasis id="D2E78C8BE00D92DC91C4A16D6BAC2020" bold="true" pageId="0" pageNumber="105">
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<emphasis id="082D7D28489673D76101A235BBAA275A" italics="true" pageId="0" pageNumber="105">Paratypes</emphasis>
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.
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</emphasis>
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43 males, 54 females, Ring Road (CIPLT-O-37;
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<geoCoordinate id="16C452DBFFB0D90048ECAA5B331BB65C" degrees="26" direction="south" minutes="52" orientation="latitude" precision="15" seconds="31" value="-26.875278">26°52'31"S</geoCoordinate>
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,
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<geoCoordinate id="E8ADC3DD7A4837F2271E4A2BFCEF9B57" degrees="58" direction="west" minutes="14" orientation="longitude" precision="15" seconds="59" value="-58.24972">58°14'59"W</geoCoordinate>
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) and San Lorenzo (CIPTL-O-39;
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<geoCoordinate id="F59C3DA8ECF520E1872E2B32377D14D6" degrees="26" direction="south" minutes="52" orientation="latitude" precision="15" seconds="35" value="-26.876389">26°52'35"S</geoCoordinate>
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,
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<geoCoordinate id="17DC5466A3929D3D33C117348210187A" degrees="58" direction="west" minutes="18" orientation="longitude" precision="15" seconds="40" value="-58.31111">58°18'40"W</geoCoordinate>
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) field localities.
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</paragraph>
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<caption id="B03A374054D0F3E4F8FBCCCBF28390B1" doi="10.3897/zookeys.1191.113840.figure1" httpUri="https://binary.pensoft.net/fig/983115" pageId="0" pageNumber="105" start="Figure 1" startId="F1">
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<paragraph id="104912C1A8B2D60193BB90493D4448FC" pageId="0" pageNumber="105">
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<emphasis id="E16111C8EB357AF70AD6BA68177BA8AF" bold="true" pageId="0" pageNumber="105">Figure 1.</emphasis>
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<taxonomicName id="10794E77B8360FFA391484F0644CD3E7" authorityName="Mussini & Stepan & Vargas" authorityYear="2024" class="Malacostraca" family="Hyalellidae" genus="Hyalella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Hyalella mboitui" order="Amphipoda" pageId="0" pageNumber="105" phylum="Arthropoda" rank="species" species="mboitui">
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<emphasis id="18B75700279860269B1013BDE6D197D7" italics="true" pageId="0" pageNumber="105">Hyalella mboitui</emphasis>
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</taxonomicName>
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sp. nov., Department of
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<normalizedToken id="298AF4AE2260B7D3462CF57BAB86DD16" originalValue="Ñeembucú">Neembucu</normalizedToken>
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, Paraguay
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<emphasis id="010643130623AA49022412BDBDFB4ABB" bold="true" pageId="0" pageNumber="105">A</emphasis>
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holotype, male
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<emphasis id="E89D7E4E871E87FA26AE490BBDFEE2C9" bold="true" pageId="0" pageNumber="105">B</emphasis>
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allotype, female. Scale bars: 1 mm.
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</paragraph>
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</caption>
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<caption id="31D9B1264D7B690630BA6BA30F0954B7" doi="10.3897/zookeys.1191.113840.figure2" httpUri="https://binary.pensoft.net/fig/983116" pageId="0" pageNumber="105" start="Figure 2" startId="F2">
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<paragraph id="903BCF35A4384C808B4D474B171A2CF4" pageId="0" pageNumber="105">
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<emphasis id="7E0EA79B5D2AF6C04CF883BD7BCD6396" bold="true" pageId="0" pageNumber="105">Figure 2.</emphasis>
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<taxonomicName id="298FE1A07207268BF878A8ACA933FF43" authorityName="Mussini & Stepan & Vargas" authorityYear="2024" class="Malacostraca" family="Hyalellidae" genus="Hyalella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Hyalella mboitui" order="Amphipoda" pageId="0" pageNumber="105" phylum="Arthropoda" rank="species" species="mboitui">
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<emphasis id="A4B8A1C9EF7015EC8EB1E7E861285A66" italics="true" pageId="0" pageNumber="105">Hyalella mboitui</emphasis>
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</taxonomicName>
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sp. nov., Department of
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<normalizedToken id="12632E145B598D4D8C36F5F24A517C53" originalValue="Ñeembucú">Neembucu</normalizedToken>
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, Paraguay. Paratype, male
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<emphasis id="0BEB556E3FC66D27B6EBF22E9062EDA8" bold="true" pageId="0" pageNumber="105">A</emphasis>
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habitus
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<emphasis id="B1FF2FA529717ACBFAB77842E23E5699" bold="true" pageId="0" pageNumber="105">B</emphasis>
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antenna 1
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<emphasis id="9506183FB461CE4404C448E8BA50593E" bold="true" pageId="0" pageNumber="105">C</emphasis>
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antenna 2
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<emphasis id="A2176A940B68A56DE83332B608C9638D" bold="true" pageId="0" pageNumber="105">D</emphasis>
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upper lip
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<emphasis id="ADB8C3DA3F5E04125837269DAD3B95EC" bold="true" pageId="0" pageNumber="105">E</emphasis>
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left mandible, with detail of lacinia and incisor rotated anticlockwise (
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<emphasis id="0EF7AEF84370DFF4D62B94F47559D36D" bold="true" pageId="0" pageNumber="105">E1</emphasis>
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) and clockwise (
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<emphasis id="5A0694E99C5204BD323B46B8BDDDCE9F" bold="true" pageId="0" pageNumber="105">E2</emphasis>
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)
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<emphasis id="190E1647B3E5B7052788473EEE4922BC" bold="true" pageId="0" pageNumber="105">F</emphasis>
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right mandible, with detail of lacinia and incisor rotated anticlockwise (
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<emphasis id="B8442BDDA32E18CD56DEFFC4AC72F847" bold="true" pageId="0" pageNumber="105">F1</emphasis>
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) and clockwise (
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<emphasis id="B87C8D51ECA0752565659BAF9101CB4E" bold="true" pageId="0" pageNumber="105">F2</emphasis>
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)
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<emphasis id="A1C1E64B1116E3E18EEE295E5A6BA8FC" bold="true" pageId="0" pageNumber="105">G</emphasis>
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lower lip
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<emphasis id="1DB053A6220F29878DBEB0D51802A120" bold="true" pageId="0" pageNumber="105">H</emphasis>
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maxilla 1
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<emphasis id="179B7B9473F852E053F7A6BD8B1F37D2" bold="true" pageId="0" pageNumber="105">I</emphasis>
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maxilla 2
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<emphasis id="BEB254C45B954ED8B506B76408845A69" bold="true" pageId="0" pageNumber="105">J</emphasis>
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maxilliped. Scale bars: 1 mm (
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<emphasis id="CCBA59E471EBB499C7B1E2CE7885BA5E" bold="true" pageId="0" pageNumber="105">A</emphasis>
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); 0.5 mm (
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<emphasis id="820E78243224F6FF7BA847FBB08877D9" bold="true" pageId="0" pageNumber="105">B, C</emphasis>
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); 0.2 mm (
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<emphasis id="5DEC8085E55581E097CACAE544ECB4F7" bold="true" pageId="0" pageNumber="105">D-J</emphasis>
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||
); 0.1 mm (
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<emphasis id="B85D4517B829A0C81860F5FD1E780213" bold="true" pageId="0" pageNumber="105">E1, E2, F1, F2</emphasis>
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).
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</paragraph>
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</caption>
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||
</subSubSection>
|
||
<subSubSection id="0921D48586CF9A13AF1914FF92C092A1" pageId="0" pageNumber="105" type="type locality">
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||
<paragraph id="D57C777663B01C90F8808C827B4AD155" pageId="0" pageNumber="105">Type locality.</paragraph>
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<paragraph id="F4D22CB41DCFF91DD532DE9ACB4639B6" pageId="0" pageNumber="105">
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Paraguay, Department of
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<normalizedToken id="87DB2EB407E5F72675966EAC9A0D07B3" originalValue="Ñeembucú">Neembucu</normalizedToken>
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, Pilar, Ring Road field locality (
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<geoCoordinate id="E6AFB917EDE98710A6F6E0CAEC6A2EBA" degrees="26" direction="south" minutes="52" orientation="latitude" precision="15" seconds="31" value="-26.875278">26°52'31"S</geoCoordinate>
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,
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<geoCoordinate id="F87228B6135F4A715AAE4A360AB29090" degrees="58" direction="west" minutes="14" orientation="longitude" precision="15" seconds="59" value="-58.24972">58°14'59"W</geoCoordinate>
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).
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</paragraph>
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</subSubSection>
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<subSubSection id="588B91EE71192BE99D60F122DD6C523D" pageId="0" pageNumber="105" type="diagnosis">
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<paragraph id="A0903C6C8A658FDD6C01721480890B59" pageId="0" pageNumber="105">Diagnosis.</paragraph>
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<paragraph id="179270C26FEF0848460038EF7D8C12F4" pageId="0" pageNumber="105">Flagella of antennae 1 and 2 with 13-14 and 16-17 articles, respectively. Left mandible incisor toothed, 5-denticulate; left lacinia mobilis multi-denticulate, with median serrated surface and two prominent elongated denticles laterally. Gnathopod 1 propodus subtriangular, without triangular space between propodus and dactylus, with papposerrate setae on disto-anterior corner. Gnathopod 2 propodus with papposerrate setae on disto-posterior margin, with palm with pronounced cup for dactylus. Pereopod 5 shorter than other pereopods. Uropod 1 endopod with a curved seta. Uropod 3 ramus dorsal margin without setae. Uropod 3 peduncle with two cuspidate setae and four simple setae apically. Uropod 3 peduncle longer than wide (rectangular).</paragraph>
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</subSubSection>
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<subSubSection id="7844B72BF2F23F0993CA234381FE2C76" pageId="0" pageNumber="105" type="description">
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||
<paragraph id="9EBBB9674D096D4F69463BDC2F43AA12" pageId="0" pageNumber="105">Description.</paragraph>
|
||
<paragraph id="CA2576D04FE93176118DF1A39A45260E" pageId="0" pageNumber="105">
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<emphasis id="165D2B06844E1123A05C9C6CA24296BF" bold="true" pageId="0" pageNumber="105">Male</emphasis>
|
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(Figs
|
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<figureCitation id="2DB54F32E7265E520BA7DF766D0FF481" captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Hyalella mboitui sp. nov., Department of Neembucu, Paraguay A holotype, male B allotype, female. Scale bars: 1 mm." figureDoi="10.3897/zookeys.1191.113840.figure1" httpUri="https://binary.pensoft.net/fig/983115" pageId="0" pageNumber="105">1</figureCitation>
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-
|
||
<figureCitation id="3964475A0457A13D79F3F6852B238834" captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Hyalella mboitui sp. nov. Paratype, male. A pleopod B uropod 1 C uropod 2 D uropod 3 E male telson F paratype, female telson. Scale bars: 0.5 mm (A-D); 0.2 mm (E, F)." figureDoi="10.3897/zookeys.1191.113840.figure5" httpUri="https://binary.pensoft.net/fig/983119" pageId="0" pageNumber="105">5</figureCitation>
|
||
). Mean total body length: 7.98 mm; mean head length: 0.84 mm (
|
||
<emphasis id="A55B5E3A06A93C3DA451DFE762338008" italics="true" pageId="0" pageNumber="105">N</emphasis>
|
||
= 44). Body surface smooth. Epimeral plates not acuminate. Head smaller than first two thoracic segments, typically gammaridean, rostrum absent. Eyes pigmented, rounded, located between insertion of antennae 1 and 2 (Fig.
|
||
<figureCitation id="6294ABA3F4ABBA236527A2C46146979F" captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Hyalella mboitui sp. nov., Department of Neembucu, Paraguay. Paratype, male A habitus B antenna 1 C antenna 2 D upper lip E left mandible, with detail of lacinia and incisor rotated anticlockwise (E 1) and clockwise (E 2) F right mandible, with detail of lacinia and incisor rotated anticlockwise (F 1) and clockwise (F 2) G lower lip H maxilla 1 I maxilla 2 J maxilliped. Scale bars: 1 mm (A); 0.5 mm (B, C); 0.2 mm (D-J); 0.1 mm (E 1, E 2, F 1, F 2)." figureDoi="10.3897/zookeys.1191.113840.figure2" httpUri="https://binary.pensoft.net/fig/983116" pageId="0" pageNumber="105">2A</figureCitation>
|
||
).
|
||
</paragraph>
|
||
<paragraph id="F10A625CBA9F1A9ACF1EA6882D7177D3" pageId="0" pageNumber="105">
|
||
Antenna 1 about 2.2
|
||
<normalizedToken id="A1BE5368D115BB700654B4B853204A11" originalValue="×">x</normalizedToken>
|
||
shorter than body length, 1.4
|
||
<normalizedToken id="3584F22806590450E9A8253B8C927A27" originalValue="×">x</normalizedToken>
|
||
shorter than antenna 2, 1.8
|
||
<normalizedToken id="98C73B101766878960D7C5FA7CF4BDC7" originalValue="×">x</normalizedToken>
|
||
longer than peduncle of antenna 2; peduncle 1.1
|
||
<normalizedToken id="7DFF3BB3AB8B719C9E50A52A31C909B1" originalValue="×">x</normalizedToken>
|
||
longer than head length; flagellum with 13-14 articles, 1.5
|
||
<normalizedToken id="1609EA06D9B4AA529DAA998463EC2888" originalValue="×">x</normalizedToken>
|
||
longer than peduncle; aesthetascs occurring distally after article 4 (Fig.
|
||
<figureCitation id="A0E5CBEDD1CA7B9271D92D5C2AB5F1AE" captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Hyalella mboitui sp. nov., Department of Neembucu, Paraguay. Paratype, male A habitus B antenna 1 C antenna 2 D upper lip E left mandible, with detail of lacinia and incisor rotated anticlockwise (E 1) and clockwise (E 2) F right mandible, with detail of lacinia and incisor rotated anticlockwise (F 1) and clockwise (F 2) G lower lip H maxilla 1 I maxilla 2 J maxilliped. Scale bars: 1 mm (A); 0.5 mm (B, C); 0.2 mm (D-J); 0.1 mm (E 1, E 2, F 1, F 2)." figureDoi="10.3897/zookeys.1191.113840.figure2" httpUri="https://binary.pensoft.net/fig/983116" pageId="0" pageNumber="105">2B</figureCitation>
|
||
).
|
||
</paragraph>
|
||
<paragraph id="289BE9EC4DABB1D4C46188DA00AD5F50" pageId="0" pageNumber="105">
|
||
Antenna 2 about 1.5
|
||
<normalizedToken id="AF3AAD915CB61BF33B7068D82B99BAC0" originalValue="×">x</normalizedToken>
|
||
shorter than body length; peduncle 1.6
|
||
<normalizedToken id="A10456A0BFB1E18809CD28973B0DB07A" originalValue="×">x</normalizedToken>
|
||
longer than head length; articles 1 to 3 with several simple setae on distal margin; flagellum 1.7
|
||
<normalizedToken id="7165D4B566A5A3CB2181E11472FC15AB" originalValue="×">x</normalizedToken>
|
||
longer than peduncle, with 16-17 articles, with basal article elongated, with several simple setae on distal margins, and with four simple setae apically (Fig.
|
||
<figureCitation id="E4084DA8D7F7BE20075C8D90BEFF44DA" captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Hyalella mboitui sp. nov., Department of Neembucu, Paraguay. Paratype, male A habitus B antenna 1 C antenna 2 D upper lip E left mandible, with detail of lacinia and incisor rotated anticlockwise (E 1) and clockwise (E 2) F right mandible, with detail of lacinia and incisor rotated anticlockwise (F 1) and clockwise (F 2) G lower lip H maxilla 1 I maxilla 2 J maxilliped. Scale bars: 1 mm (A); 0.5 mm (B, C); 0.2 mm (D-J); 0.1 mm (E 1, E 2, F 1, F 2)." figureDoi="10.3897/zookeys.1191.113840.figure2" httpUri="https://binary.pensoft.net/fig/983116" pageId="0" pageNumber="105">2C</figureCitation>
|
||
).
|
||
</paragraph>
|
||
<paragraph id="CEBF3842AC6E8F9953751EF211BBC2A7" pageId="0" pageNumber="105">
|
||
Basic amphipodan mandibles (sensu
|
||
<bibRefCitation id="92117E9CF5C62F49F2966AC26A288955" DOI="https://doi.org/10.1080/00222939300770511" author="Watling, L" journalOrPublisher="Journal of Natural History" pageId="0" pageNumber="105" pagination="837 - 849" refId="B35" refString="Watling, L, 1993. Functional morphology of the amphipod mandible. Journal of Natural History 27 (4): 837 - 849, DOI: https://doi.org/10.1080/00222939300770511" title="Functional morphology of the amphipod mandible." url="https://doi.org/10.1080/00222939300770511" volume="27" year="1993">Watling 1993</bibRefCitation>
|
||
), without palp; left incisor toothed, 5-denticulate; left lacinia mobilis multi-denticulate, with medial surface with multiple small serrated denticles and two prominent elongated denticles laterally, setal row with five papposerrate setae, with setules, molar process large and cylindrical, triturative, with one accessory seta (Fig.
|
||
<figureCitation id="CD99FDB0055F440594E2902D5CA4C770" captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Hyalella mboitui sp. nov., Department of Neembucu, Paraguay. Paratype, male A habitus B antenna 1 C antenna 2 D upper lip E left mandible, with detail of lacinia and incisor rotated anticlockwise (E 1) and clockwise (E 2) F right mandible, with detail of lacinia and incisor rotated anticlockwise (F 1) and clockwise (F 2) G lower lip H maxilla 1 I maxilla 2 J maxilliped. Scale bars: 1 mm (A); 0.5 mm (B, C); 0.2 mm (D-J); 0.1 mm (E 1, E 2, F 1, F 2)." figureDoi="10.3897/zookeys.1191.113840.figure2" httpUri="https://binary.pensoft.net/fig/983116" pageId="0" pageNumber="105">2E</figureCitation>
|
||
). Right mandible incisor 6-denticulate; lacinia 5-denticulate, setal row with six papposerrate setae, with setules.
|
||
</paragraph>
|
||
<paragraph id="173EA526BF6FD8FE6C76FC0B188FF7C1" pageId="0" pageNumber="105">
|
||
Upper lip distal margin truncate; distal border covered by setules on ventral and dorsal faces (Fig.
|
||
<figureCitation id="0DFE3F513DD874C6BD72B8FFCB758E98" captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Hyalella mboitui sp. nov., Department of Neembucu, Paraguay. Paratype, male A habitus B antenna 1 C antenna 2 D upper lip E left mandible, with detail of lacinia and incisor rotated anticlockwise (E 1) and clockwise (E 2) F right mandible, with detail of lacinia and incisor rotated anticlockwise (F 1) and clockwise (F 2) G lower lip H maxilla 1 I maxilla 2 J maxilliped. Scale bars: 1 mm (A); 0.5 mm (B, C); 0.2 mm (D-J); 0.1 mm (E 1, E 2, F 1, F 2)." figureDoi="10.3897/zookeys.1191.113840.figure2" httpUri="https://binary.pensoft.net/fig/983116" pageId="0" pageNumber="105">2D</figureCitation>
|
||
). Lower lip outer lobes rounded, not notched, with several setules on dorsal and ventral faces (Fig.
|
||
<figureCitation id="40EF26D41BE1D99AF9D74F77F4E0438A" captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Hyalella mboitui sp. nov., Department of Neembucu, Paraguay. Paratype, male A habitus B antenna 1 C antenna 2 D upper lip E left mandible, with detail of lacinia and incisor rotated anticlockwise (E 1) and clockwise (E 2) F right mandible, with detail of lacinia and incisor rotated anticlockwise (F 1) and clockwise (F 2) G lower lip H maxilla 1 I maxilla 2 J maxilliped. Scale bars: 1 mm (A); 0.5 mm (B, C); 0.2 mm (D-J); 0.1 mm (E 1, E 2, F 1, F 2)." figureDoi="10.3897/zookeys.1191.113840.figure2" httpUri="https://binary.pensoft.net/fig/983116" pageId="0" pageNumber="105">2G</figureCitation>
|
||
).
|
||
</paragraph>
|
||
<paragraph id="9A540BAA15733B2E132396C82C911C7B" pageId="0" pageNumber="105">
|
||
Maxilla 1 inner plate slender, 1.8
|
||
<normalizedToken id="C7AF46750779F7BEF8C91969183C0809" originalValue="×">x</normalizedToken>
|
||
shorter than outer plate, with two apical papposerrate setae and several setules laterally. Outer plate with nine serrate setae and several setules (Fig.
|
||
<figureCitation id="74B0C24BA4A4515545CB05C9A1066DFB" captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Hyalella mboitui sp. nov., Department of Neembucu, Paraguay. Paratype, male A habitus B antenna 1 C antenna 2 D upper lip E left mandible, with detail of lacinia and incisor rotated anticlockwise (E 1) and clockwise (E 2) F right mandible, with detail of lacinia and incisor rotated anticlockwise (F 1) and clockwise (F 2) G lower lip H maxilla 1 I maxilla 2 J maxilliped. Scale bars: 1 mm (A); 0.5 mm (B, C); 0.2 mm (D-J); 0.1 mm (E 1, E 2, F 1, F 2)." figureDoi="10.3897/zookeys.1191.113840.figure2" httpUri="https://binary.pensoft.net/fig/983116" pageId="0" pageNumber="105">2H</figureCitation>
|
||
). Palp short, uniarticulate, 1.0
|
||
<normalizedToken id="EE612EB7A01C450C1C0FF74CAE625596" originalValue="×">x</normalizedToken>
|
||
longer than wide, with apical and lateral setules, reaching less than half distance between base of palp and base of setae on outer plate.
|
||
</paragraph>
|
||
<paragraph id="7E1DD91F10A7723F44FBA6CDA087BC34" pageId="0" pageNumber="105">
|
||
Maxilla 2 inner and outer plates subequal in length and width. Inner plate with one papposerrate seta and several simple and serrate setae apically, and several setules on inner face; outer plate with several simple setae on apex and margin, longest apically (Fig.
|
||
<figureCitation id="147B598BF172CA265739CFD4D326C709" captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Hyalella mboitui sp. nov., Department of Neembucu, Paraguay. Paratype, male A habitus B antenna 1 C antenna 2 D upper lip E left mandible, with detail of lacinia and incisor rotated anticlockwise (E 1) and clockwise (E 2) F right mandible, with detail of lacinia and incisor rotated anticlockwise (F 1) and clockwise (F 2) G lower lip H maxilla 1 I maxilla 2 J maxilliped. Scale bars: 1 mm (A); 0.5 mm (B, C); 0.2 mm (D-J); 0.1 mm (E 1, E 2, F 1, F 2)." figureDoi="10.3897/zookeys.1191.113840.figure2" httpUri="https://binary.pensoft.net/fig/983116" pageId="0" pageNumber="105">2I</figureCitation>
|
||
).
|
||
</paragraph>
|
||
<paragraph id="D31CAB3A83A6D9A8A6C7253D686A131B" pageId="0" pageNumber="105">
|
||
Maxilliped inner plate 2.0
|
||
<normalizedToken id="5C19B398367F95977E880B3E7F4591C8" originalValue="×">x</normalizedToken>
|
||
longer than wide, apically truncated, with two cuspidate setae, several simple setae apically, and several setules on inner margin, comb-scales absent; outer plate approximately 1.3
|
||
<normalizedToken id="F9DBCD97B785B2EDFB29B6D423916698" originalValue="×">x</normalizedToken>
|
||
longer than inner plate, apically rounded, with several apical and lateral simple setae, comb-scales absent; palp approximately 2.1
|
||
<normalizedToken id="A335362A1A3C217A888A5817F4E2860D" originalValue="×">x</normalizedToken>
|
||
longer than inner plate, with four articles; article 1 1.1
|
||
<normalizedToken id="AB00B65884E2DCBB94A40A342E15E804" originalValue="×">x</normalizedToken>
|
||
longer than wide, inner margin with few simple setae; article 2 1.5
|
||
<normalizedToken id="05C12F3891A132BAF782D8EDA2C7EF3D" originalValue="×">x</normalizedToken>
|
||
longer than wide, inner margin with several simple setae, outer margin with few simple setae; article 3 1.8
|
||
<normalizedToken id="18E2576CF8FCC0A0EE4FB996632AA7FA" originalValue="×">x</normalizedToken>
|
||
longer than wide, inner and outer margins with several long simple setae; article 4 unguiform, 3.0
|
||
<normalizedToken id="145AB1F4D84E5D309A5C798755B091C7" originalValue="×">x</normalizedToken>
|
||
shorter than third article, 1.6
|
||
<normalizedToken id="2A73B3F582E4B15892051745CC2D4D18" originalValue="×">x</normalizedToken>
|
||
longer than wide, inner margin with several long simple setae, with distal simple seta, with distal nail and comb-scales absent (Fig.
|
||
<figureCitation id="A10D097C48999F1CC2F53A725F95F0CB" captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Hyalella mboitui sp. nov., Department of Neembucu, Paraguay. Paratype, male A habitus B antenna 1 C antenna 2 D upper lip E left mandible, with detail of lacinia and incisor rotated anticlockwise (E 1) and clockwise (E 2) F right mandible, with detail of lacinia and incisor rotated anticlockwise (F 1) and clockwise (F 2) G lower lip H maxilla 1 I maxilla 2 J maxilliped. Scale bars: 1 mm (A); 0.5 mm (B, C); 0.2 mm (D-J); 0.1 mm (E 1, E 2, F 1, F 2)." figureDoi="10.3897/zookeys.1191.113840.figure2" httpUri="https://binary.pensoft.net/fig/983116" pageId="0" pageNumber="105">2J</figureCitation>
|
||
).
|
||
</paragraph>
|
||
<paragraph id="AD245BCB568132B411B859463DB0597F" pageId="0" pageNumber="105">
|
||
Gnathopod 1 subchelate; coxal plate 2.1
|
||
<normalizedToken id="EFB168434C8C5A4E2B9AA8E25E7514E2" originalValue="×">x</normalizedToken>
|
||
wider than long, with several simple setae on anterior and posterior margins; basis with one simple seta on anterior margin and one on disto-posterior corner; ischium with few simple setae on disto-posterior corner; merus with few simple setae on posterior margin; carpus 1.3
|
||
<normalizedToken id="AB3020DB04A7B3D54CA1073DE093236D" originalValue="×">x</normalizedToken>
|
||
longer than wide, 1.1
|
||
<normalizedToken id="65DEEF95E90CD49DB225F32E1F2300EB" originalValue="×">x</normalizedToken>
|
||
longer and wider than propodus, posterior lobe produced and forming scoop-like structure, pectinate margin with several serrate setae, comb-scales and polygonal pattern; propodus 1.3
|
||
<normalizedToken id="156AB0B2B055D9E2D8E04ECF2865419B" originalValue="×">x</normalizedToken>
|
||
longer than wide, hammer-shaped, with several simple setae on anterior margin, with several papposerrate setae on disto-anterior corner; palm slope oblique, with several simple setae, margin convex, disto-posterior corner with long simple setae, and with a pronounced cup for dactylus; dactylus claw-like, congruent with palm, without comb-scales (Fig.
|
||
<figureCitation id="6B698BDB6D242827BB2A9601F8DDFAB0" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Hyalella mboitui sp. nov. Paratype, male A gnathopod 1 B gnathopod 2. Scale bars: 0.5 mm." figureDoi="10.3897/zookeys.1191.113840.figure3" httpUri="https://binary.pensoft.net/fig/983117" pageId="0" pageNumber="105">3A</figureCitation>
|
||
).
|
||
</paragraph>
|
||
<caption id="E67E207083C8AF561D32067D2EBDE95F" doi="10.3897/zookeys.1191.113840.figure3" httpUri="https://binary.pensoft.net/fig/983117" pageId="0" pageNumber="105" start="Figure 3" startId="F3">
|
||
<paragraph id="D58EA4D35B94BC346AE45B499C926D93" pageId="0" pageNumber="105">
|
||
<emphasis id="8749C84F5131B25110B10218A9F4B583" bold="true" pageId="0" pageNumber="105">Figure 3.</emphasis>
|
||
<taxonomicName id="9C9BF2D0E78FB763B021E44A9DCB05D1" authorityName="Mussini & Stepan & Vargas" authorityYear="2024" class="Malacostraca" family="Hyalellidae" genus="Hyalella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Hyalella mboitui" order="Amphipoda" pageId="0" pageNumber="105" phylum="Arthropoda" rank="species" species="mboitui">
|
||
<emphasis id="E9E97A9D478C748FDECE09307532404E" italics="true" pageId="0" pageNumber="105">Hyalella mboitui</emphasis>
|
||
</taxonomicName>
|
||
sp. nov. Paratype, male
|
||
<emphasis id="D063670224B2693D44DC79DC6350DC66" bold="true" pageId="0" pageNumber="105">A</emphasis>
|
||
gnathopod 1
|
||
<emphasis id="6D8A3758BA6DB20137DEB0BA1E27A476" bold="true" pageId="0" pageNumber="105">B</emphasis>
|
||
gnathopod 2. Scale bars: 0.5 mm.
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="F72ABCA70EADF549B15085FB8BA4F4C8" pageId="0" pageNumber="105">
|
||
Gnathopod 2 subchelate; coxal plate 1.6
|
||
<normalizedToken id="55E06B1DEB685ABAE676525A4D176888" originalValue="×">x</normalizedToken>
|
||
wider than long; basis with few simple setae on posterior margin and one serrate seta on disto-anterior margin; ischium and merus with few simple setae on posterior margin; carpus 1.8
|
||
<normalizedToken id="C333AB7A6642BEB33717595FB0367B2C" originalValue="×">x</normalizedToken>
|
||
wider than long, posterior lobe slim, produced between merus and propodus, margin pectinate with several serrate setae; propodus ovate, 1.4
|
||
<normalizedToken id="2A3D4858606C3EBC7D28023D311C5177" originalValue="×">x</normalizedToken>
|
||
longer than wide, comb-scales absent; palm subequal to posterior margin of propodus, slope oblique, margin convex, slightly irregular, with several simple setae and cuspidate setae with accessory seta; disto-posterior corner with two small cuspidate setae and several papposerrate setae, and with a pronounced cup for dactylus; dactylus claw-like, congruent with palm, without comb-scales (Fig.
|
||
<figureCitation id="60D1F2513608FB990546F02C6AE6FB20" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Hyalella mboitui sp. nov. Paratype, male A gnathopod 1 B gnathopod 2. Scale bars: 0.5 mm." figureDoi="10.3897/zookeys.1191.113840.figure3" httpUri="https://binary.pensoft.net/fig/983117" pageId="0" pageNumber="105">3B</figureCitation>
|
||
).
|
||
</paragraph>
|
||
<paragraph id="DB41A82CEEAFB5211387F2FD1C0F0AFD" pageId="0" pageNumber="105">
|
||
Pereopods 3 to 7 simple. Pereopod 4 (Fig.
|
||
<figureCitation id="2DF527300A5AFC80A855F4A7A2FE24DD" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Hyalella mboitui sp. nov. Paratype, male A pereopod 3 B pereopod 4 C pereopod 5 D pereopod 6 E pereopod 7. Scale bars: 0.5 mm." figureDoi="10.3897/zookeys.1191.113840.figure4" httpUri="https://binary.pensoft.net/fig/983118" pageId="0" pageNumber="105">4B</figureCitation>
|
||
) with several simple setae on basis posterior margin; pereopods 3 (Fig.
|
||
<figureCitation id="D3654FD88372452E524C72ECF5C2A61C" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Hyalella mboitui sp. nov. Paratype, male A pereopod 3 B pereopod 4 C pereopod 5 D pereopod 6 E pereopod 7. Scale bars: 0.5 mm." figureDoi="10.3897/zookeys.1191.113840.figure4" httpUri="https://binary.pensoft.net/fig/983118" pageId="0" pageNumber="105">4A</figureCitation>
|
||
) and 4 with several simple setae on merus and carpus posterior margins, with several simple and cuspidate setae on propodus posterior margins; dactylus approximately 3.5
|
||
<normalizedToken id="76F1AF2D6D918A68B2DEDF2DB7AED51C" originalValue="×">x</normalizedToken>
|
||
shorter than propodus, in both. Pereopods 5, 6 and 7 (Fig.
|
||
<figureCitation id="692C5750657E713FD09B346DEDFF2DB2" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Hyalella mboitui sp. nov. Paratype, male A pereopod 3 B pereopod 4 C pereopod 5 D pereopod 6 E pereopod 7. Scale bars: 0.5 mm." figureDoi="10.3897/zookeys.1191.113840.figure4" httpUri="https://binary.pensoft.net/fig/983118" pageId="0" pageNumber="105">4C-E</figureCitation>
|
||
) with merus, carpus and propodus posterior margins with several cuspidate and simple, dactylus 1.8
|
||
<normalizedToken id="7BC472E48F20671677EBE5476E913210" originalValue="×">x</normalizedToken>
|
||
, 2.1
|
||
<normalizedToken id="6C9356269FFE2188D7931B3E4389719C" originalValue="×">x</normalizedToken>
|
||
and 2.2
|
||
<normalizedToken id="2D7874B17B9655ECDDE1C6D61A8D1880" originalValue="×">x</normalizedToken>
|
||
shorter than propodus, respectively, unguiform, with plumose seta dorsally on pereopods 6 and 7. Pereopod 3 and 4 of similar sizes; pereopod 5 smaller than others; pereopod 6 slightly shorter than pereopod 7.
|
||
</paragraph>
|
||
<caption id="E2D26997DCAEA55EB9B9EB315BDA6626" doi="10.3897/zookeys.1191.113840.figure4" httpUri="https://binary.pensoft.net/fig/983118" pageId="0" pageNumber="105" start="Figure 4" startId="F4">
|
||
<paragraph id="2BA911CAE13315668759304528AA4164" pageId="0" pageNumber="105">
|
||
<emphasis id="DC3A3BD610B65E2BA453F6B32E992DC2" bold="true" pageId="0" pageNumber="105">Figure 4.</emphasis>
|
||
<taxonomicName id="B947AFB1C61E4B9E7F1B3959766C1D03" authorityName="Mussini & Stepan & Vargas" authorityYear="2024" class="Malacostraca" family="Hyalellidae" genus="Hyalella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Hyalella mboitui" order="Amphipoda" pageId="0" pageNumber="105" phylum="Arthropoda" rank="species" species="mboitui">
|
||
<emphasis id="4C9A54DD4C0C46D9F3E593F56AE83303" italics="true" pageId="0" pageNumber="105">Hyalella mboitui</emphasis>
|
||
</taxonomicName>
|
||
sp. nov. Paratype, male
|
||
<emphasis id="81E7B09B542006B2C69E50EF72B58B41" bold="true" pageId="0" pageNumber="105">A</emphasis>
|
||
pereopod 3
|
||
<emphasis id="CD075675E31470EBA0B1220C4B687F1E" bold="true" pageId="0" pageNumber="105">B</emphasis>
|
||
pereopod 4
|
||
<emphasis id="F374B194E798E7FA17C3F7C4AB8BFC02" bold="true" pageId="0" pageNumber="105">C</emphasis>
|
||
pereopod 5
|
||
<emphasis id="5B446670F99F6808731D0E7E3817CADD" bold="true" pageId="0" pageNumber="105">D</emphasis>
|
||
pereopod 6
|
||
<emphasis id="381EFA245F3C6710D471E3275A697DD6" bold="true" pageId="0" pageNumber="105">E</emphasis>
|
||
pereopod 7. Scale bars: 0.5 mm.
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="04DC89061806262A97026F977C2455A5" pageId="0" pageNumber="105">
|
||
Pleopods not modified, biramous, elongated; peduncle 4.0
|
||
<normalizedToken id="646C805861EF656FD4C67D487C2327FC" originalValue="×">x</normalizedToken>
|
||
longer than wide, 1.7
|
||
<normalizedToken id="92983F86FA7CEBD57C58080C2C1050B4" originalValue="×">x</normalizedToken>
|
||
mean size of rami, with coupling spines distally; both rami multi-annulated, longer than peduncle, with articles decreasing in size distally, with several plumose setae (Fig.
|
||
<figureCitation id="AAEF06B82F0A22BBE2E74CA4D103D10F" captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Hyalella mboitui sp. nov. Paratype, male. A pleopod B uropod 1 C uropod 2 D uropod 3 E male telson F paratype, female telson. Scale bars: 0.5 mm (A-D); 0.2 mm (E, F)." figureDoi="10.3897/zookeys.1191.113840.figure5" httpUri="https://binary.pensoft.net/fig/983119" pageId="0" pageNumber="105">5A</figureCitation>
|
||
).
|
||
</paragraph>
|
||
<caption id="D507346BBD4C441681DA9D06156A87F9" doi="10.3897/zookeys.1191.113840.figure5" httpUri="https://binary.pensoft.net/fig/983119" pageId="0" pageNumber="105" start="Figure 5" startId="F5">
|
||
<paragraph id="EE901F905710F3EB39643583DD7A4FA3" pageId="0" pageNumber="105">
|
||
<emphasis id="60843346AECD211BE8D5A2D5625290FC" bold="true" pageId="0" pageNumber="105">Figure 5.</emphasis>
|
||
<taxonomicName id="22293BBB8FBC39421183CDD7087414F2" authorityName="Mussini & Stepan & Vargas" authorityYear="2024" class="Malacostraca" family="Hyalellidae" genus="Hyalella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Hyalella mboitui" order="Amphipoda" pageId="0" pageNumber="105" phylum="Arthropoda" rank="species" species="mboitui">
|
||
<emphasis id="2B48403C253D91B4B536BBC51CACE508" italics="true" pageId="0" pageNumber="105">Hyalella mboitui</emphasis>
|
||
</taxonomicName>
|
||
sp. nov. Paratype, male.
|
||
<emphasis id="224BDE8CFFA182E490C706BA6C4C5083" bold="true" pageId="0" pageNumber="105">A</emphasis>
|
||
pleopod
|
||
<emphasis id="EF12631337B3D84168AC54E202307525" bold="true" pageId="0" pageNumber="105">B</emphasis>
|
||
uropod 1
|
||
<emphasis id="C1E132C09CEBA89BB4439737709A56E4" bold="true" pageId="0" pageNumber="105">C</emphasis>
|
||
uropod 2
|
||
<emphasis id="F6AADDC4EF2001883DD8E85B5EBF019E" bold="true" pageId="0" pageNumber="105">D</emphasis>
|
||
uropod 3
|
||
<emphasis id="B4282CA9EEBDBDD4C578B404C686A716" bold="true" pageId="0" pageNumber="105">E</emphasis>
|
||
male telson
|
||
<emphasis id="5F5C450FE23745CCC689C72116212063" bold="true" pageId="0" pageNumber="105">F</emphasis>
|
||
paratype, female telson. Scale bars: 0.5 mm (
|
||
<emphasis id="1FB21787863AC506A606D4278B8FBBDC" bold="true" pageId="0" pageNumber="105">A-D</emphasis>
|
||
); 0.2 mm (
|
||
<emphasis id="0A58F7F437F3C77485F4C88AFC6D3E0B" bold="true" pageId="0" pageNumber="105">E, F</emphasis>
|
||
).
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="1977530400FEC3032D0C358958D38365" pageId="0" pageNumber="105">
|
||
Uropod 1 1.5
|
||
<normalizedToken id="58B19C5DFFCDAAAE138704C501843DD8" originalValue="×">x</normalizedToken>
|
||
longer than uropod 2; peduncle 1.1
|
||
<normalizedToken id="6FD29CD30E72AB1D90EC844A8E2E9DFA" originalValue="×">x</normalizedToken>
|
||
longer than longest ramus, with four cuspidate setae; inner ramus 1.4
|
||
<normalizedToken id="CE9B8D544994CA60FD9BB20A9DF5F672" originalValue="×">x</normalizedToken>
|
||
longer than outer ramus, 4.9
|
||
<normalizedToken id="E89880E08827806F7E0DBA355D425D54" originalValue="×">x</normalizedToken>
|
||
longer than wide, with three dorsal cuspidate setae, with one long curved seta and four cuspidate setae apically; outer ramus with three dorsal cuspidate setae and four cuspidate setae apically (Fig.
|
||
<figureCitation id="2A646C94CCCFCE1DAB9E5BDC9C305FE9" captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Hyalella mboitui sp. nov. Paratype, male. A pleopod B uropod 1 C uropod 2 D uropod 3 E male telson F paratype, female telson. Scale bars: 0.5 mm (A-D); 0.2 mm (E, F)." figureDoi="10.3897/zookeys.1191.113840.figure5" httpUri="https://binary.pensoft.net/fig/983119" pageId="0" pageNumber="105">5B</figureCitation>
|
||
).
|
||
</paragraph>
|
||
<paragraph id="DBFEF43177A4A6CAA9281EF08B4530D8" pageId="0" pageNumber="105">
|
||
Uropod 2 1.5
|
||
<normalizedToken id="F42E0A9985B973763793BA7D0010ED3C" originalValue="×">x</normalizedToken>
|
||
shorter than uropod 1; peduncle rectangular, subequal in length to outer ramus and 1.2
|
||
<normalizedToken id="A995BE49223855FBEAE68652182C2582" originalValue="×">x</normalizedToken>
|
||
shorter than inner ramus, 2.0
|
||
<normalizedToken id="FBA0964B1443A0F1CEC36CDB6561709D" originalValue="×">x</normalizedToken>
|
||
wider than outer ramus and 1.5
|
||
<normalizedToken id="E14BD6D591CDF60CEFABFC34CE83B9BD" originalValue="×">x</normalizedToken>
|
||
than inner ramus, with two cuspidate setae; inner ramus slightly longer than outer ramus, with four cuspidate setae dorsally and three cuspidate setae apically; outer ramus with three cuspidate setae dorsally and four cuspidate setae apically (Fig.
|
||
<figureCitation id="4CBD05F297523946903041AE92D0141C" captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Hyalella mboitui sp. nov. Paratype, male. A pleopod B uropod 1 C uropod 2 D uropod 3 E male telson F paratype, female telson. Scale bars: 0.5 mm (A-D); 0.2 mm (E, F)." figureDoi="10.3897/zookeys.1191.113840.figure5" httpUri="https://binary.pensoft.net/fig/983119" pageId="0" pageNumber="105">5C</figureCitation>
|
||
).
|
||
</paragraph>
|
||
<paragraph id="6636DF5AD68B084D2055D40E5673E028" pageId="0" pageNumber="105">
|
||
Uropod 3 (Fig.
|
||
<figureCitation id="9A1A29137B56346F48A9A5E203EFC655" captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Hyalella mboitui sp. nov. Paratype, male. A pleopod B uropod 1 C uropod 2 D uropod 3 E male telson F paratype, female telson. Scale bars: 0.5 mm (A-D); 0.2 mm (E, F)." figureDoi="10.3897/zookeys.1191.113840.figure5" httpUri="https://binary.pensoft.net/fig/983119" pageId="0" pageNumber="105">5D</figureCitation>
|
||
) 2.2
|
||
<normalizedToken id="656967AB5B335A141C28F28E5E7C51E9" originalValue="×">x</normalizedToken>
|
||
shorter than peduncle of uropod 1 and 1.1
|
||
<normalizedToken id="D7D3E697450702132F4B2B4594DE6429" originalValue="×">x</normalizedToken>
|
||
than peduncle of uropod 2; peduncle 1.5
|
||
<normalizedToken id="29F8E649D52E218C5D265B1D15A3DF88" originalValue="×">x</normalizedToken>
|
||
longer than wide, 3.7
|
||
<normalizedToken id="36BFE66CC824032AFF85DC18C8110CF6" originalValue="×">x</normalizedToken>
|
||
wider than ramus, with six apical long cuspidate setae; inner ramus absent; outer ramus uniarticulate, 1.2
|
||
<normalizedToken id="F40393105B67B887432E9EAFC0EBFE56" originalValue="×">x</normalizedToken>
|
||
longer than peduncle, with two cuspidate and four simple setae apically.
|
||
</paragraph>
|
||
<paragraph id="B2E837A339E8632B8EBBE8A44AC7010E" pageId="0" pageNumber="105">
|
||
Telson entire, 1.1
|
||
<normalizedToken id="5226C2CA0A73D903005E9359E876A33D" originalValue="×">x</normalizedToken>
|
||
longer than wide, apically rounded, without setae laterally, with five apical cuspidate setae (Fig.
|
||
<figureCitation id="A0D90E6AC51971ABB0FBE730ECD20E4D" captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Hyalella mboitui sp. nov. Paratype, male. A pleopod B uropod 1 C uropod 2 D uropod 3 E male telson F paratype, female telson. Scale bars: 0.5 mm (A-D); 0.2 mm (E, F)." figureDoi="10.3897/zookeys.1191.113840.figure5" httpUri="https://binary.pensoft.net/fig/983119" pageId="0" pageNumber="105">5E</figureCitation>
|
||
).
|
||
</paragraph>
|
||
<paragraph id="F9D0418BA614B259A550DFB43858BE3A" pageId="0" pageNumber="105">Coxal gills sac-like present on pereonites 3 to 6; sternal gills tubular and present on pereonites 3 to 7.</paragraph>
|
||
<paragraph id="39420C9DC50E6FA98F05994360CDCCF1" pageId="0" pageNumber="105">
|
||
<emphasis id="AB601531B51E91CAC97043CE9731D5BB" bold="true" pageId="0" pageNumber="105">Female</emphasis>
|
||
(Figs
|
||
<figureCitation id="5501599A4575902EAEF58E73F7B22D46" captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Hyalella mboitui sp. nov., Department of Neembucu, Paraguay A holotype, male B allotype, female. Scale bars: 1 mm." figureDoi="10.3897/zookeys.1191.113840.figure1" httpUri="https://binary.pensoft.net/fig/983115" pageId="0" pageNumber="105">1B</figureCitation>
|
||
,
|
||
<figureCitation id="181BBD7912A74AFF5649A56DDE23979C" captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Hyalella mboitui sp. nov. Paratype, male. A pleopod B uropod 1 C uropod 2 D uropod 3 E male telson F paratype, female telson. Scale bars: 0.5 mm (A-D); 0.2 mm (E, F)." figureDoi="10.3897/zookeys.1191.113840.figure5" httpUri="https://binary.pensoft.net/fig/983119" pageId="0" pageNumber="105">5E</figureCitation>
|
||
,
|
||
<figureCitation id="CAB37F02D2B404061A0DF608F746DDF9" captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. Hyalella mboitui sp. nov. Paratype, female. A gnathopod 1 B gnathopod 2. Scale bars: 0.5 mm." figureDoi="10.3897/zookeys.1191.113840.figure6" httpUri="https://binary.pensoft.net/fig/983120" pageId="0" pageNumber="105">6</figureCitation>
|
||
). Mean total body length: 6.23 mm; mean head length: 0.62 mm (
|
||
<emphasis id="F4A3A0FDDEFF719261362C69711FFFAC" italics="true" pageId="0" pageNumber="105">N</emphasis>
|
||
= 55).
|
||
</paragraph>
|
||
<paragraph id="6EA1FEE90F77D165C8CCDC1600B718AA" pageId="0" pageNumber="105">Antennae similar in shape to male. Antenna 1 flagellum with 10-11 articles. Antenna 2 flagellum with 16-17 articles.</paragraph>
|
||
<paragraph id="2B5B51DA5283F4B481FAA97C100C1F86" pageId="0" pageNumber="105">
|
||
Gnathopod 1 (Fig.
|
||
<figureCitation id="099BE5E78D9079C0717C97EF4B184BE8" captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. Hyalella mboitui sp. nov. Paratype, female. A gnathopod 1 B gnathopod 2. Scale bars: 0.5 mm." figureDoi="10.3897/zookeys.1191.113840.figure6" httpUri="https://binary.pensoft.net/fig/983120" pageId="0" pageNumber="105">6A</figureCitation>
|
||
) similar to male gnathopod 1 in size but different in shape; basis with few simple setae on disto-anterior and disto-posterior margins; ischium with few simple setae on disto-posterior margin; merus with several simple setae and comb-scales on posterior margin; carpus 1.7
|
||
<normalizedToken id="DC867C1703CF1AC1FB4F84A128E59736" originalValue="×">x</normalizedToken>
|
||
longer than wide, 1.3
|
||
<normalizedToken id="03CD03E3FC030C4FC404674A163CAC88" originalValue="×">x</normalizedToken>
|
||
longer and 1.2
|
||
<normalizedToken id="596098522C8CD8856EA09B2C6CCBCDD6" originalValue="×">x</normalizedToken>
|
||
wider than propodus, with several simple setae on disto-anterior corner, posterior lobe produced and forming scoop-like structure, with pectinate margin, with comb-scales, with several serrate setae and polygonal pattern, and with three serrate setae on inner margin; propodus 1.6
|
||
<normalizedToken id="E977041A3D1BC99E680774D777B21014" originalValue="×">x</normalizedToken>
|
||
longer than wide, hammer-shaped, inner margin with six simple setae with accessory setae, dorsal margin with two simple setae, disto-anterior corner with several simple setae; palm 1.4
|
||
<normalizedToken id="4F92A8138DB133A6BC93AD266D32B5AC" originalValue="×">x</normalizedToken>
|
||
shorter than posterior margin of propodus, slope transverse, margin slightly irregular, with several simple setae, with few simple setae and two cuspidate setae on disto-posterior corner; dactylus claw-like, with one plumose seta dorsally.
|
||
</paragraph>
|
||
<caption id="FEFA4783E4A2041A5422F625B3E07CE0" doi="10.3897/zookeys.1191.113840.figure6" httpUri="https://binary.pensoft.net/fig/983120" pageId="0" pageNumber="105" start="Figure 6" startId="F6">
|
||
<paragraph id="ACBD214B3A41CA9D5FDE54DBEF254DC4" pageId="0" pageNumber="105">
|
||
<emphasis id="2F45141926E59AF404B4A6E9E1DBCF6C" bold="true" pageId="0" pageNumber="105">Figure 6.</emphasis>
|
||
<taxonomicName id="100D14E266E00D2336BEF7F0413BF08C" authorityName="Mussini & Stepan & Vargas" authorityYear="2024" class="Malacostraca" family="Hyalellidae" genus="Hyalella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Hyalella mboitui" order="Amphipoda" pageId="0" pageNumber="105" phylum="Arthropoda" rank="species" species="mboitui">
|
||
<emphasis id="B2C2E1E6FF8770BD24D22B232E70B5C2" italics="true" pageId="0" pageNumber="105">Hyalella mboitui</emphasis>
|
||
</taxonomicName>
|
||
sp. nov. Paratype, female.
|
||
<emphasis id="56C9209F242DD1343FB2C5FA5220585F" bold="true" pageId="0" pageNumber="105">A</emphasis>
|
||
gnathopod 1
|
||
<emphasis id="91C36E6243762D5F9D4F2FD05531EAB7" bold="true" pageId="0" pageNumber="105">B</emphasis>
|
||
gnathopod 2. Scale bars: 0.5 mm.
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="3FA702B78F389E2970D2DF52E161E6E8" pageId="0" pageNumber="105">
|
||
Gnathopod 2 (Fig.
|
||
<figureCitation id="702A4378CF2585A06A25EBC5A6B45574" captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. Hyalella mboitui sp. nov. Paratype, female. A gnathopod 1 B gnathopod 2. Scale bars: 0.5 mm." figureDoi="10.3897/zookeys.1191.113840.figure6" httpUri="https://binary.pensoft.net/fig/983120" pageId="0" pageNumber="105">6B</figureCitation>
|
||
) similar in size and shape to gnathopod 1; basis with one simple seta on posterior margin, with few simple setae on disto-anterior corner, and two pappose setae on disto-posterior corner; ischium with several simple setae on disto-posterior corner; merus with several simple setae on posterior margin; carpus 1.5
|
||
<normalizedToken id="175AF1D0D87389AB41070142129D72C7" originalValue="×">x</normalizedToken>
|
||
longer than wide, 1.0
|
||
<normalizedToken id="7A29775E6A38A462303062D586407A22" originalValue="×">x</normalizedToken>
|
||
longer and 1.3
|
||
<normalizedToken id="8FB919814135AC1DF9B79559E190B8D5" originalValue="×">x</normalizedToken>
|
||
wider than propodus, with several simple setae on disto-anterior corner, posterior lobe produced and forming scoop-like structure with pectinate margin, with comb-scales, with several serrate setae and polygonal pattern, inner margin with few simple setae; propodus longer than wide, hammer-shaped, with comb-scales and several simple setae on disto-posterior margin, and several simple setae on disto-anterior corner; inner face with several simple setae; palm 1.9
|
||
<normalizedToken id="96C79F0F3947AB47312CFAD082682EFB" originalValue="×">x</normalizedToken>
|
||
shorter than posterior margin of propodus, slope oblique, margin slightly concave, with several simple setae, disto-posterior corner with two cuspidate setae; dactylus claw-like, with one plumose seta dorsally.
|
||
</paragraph>
|
||
<paragraph id="757043DBAADA99589747E7ABD6CFCCB0" pageId="0" pageNumber="105">
|
||
Telson approximately as long as wide, with more convex lateral margins than in male, and with five cuspidate setae apically (Fig.
|
||
<figureCitation id="5D67849D1F8BBC7F68D551FE9C218EB2" captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Hyalella mboitui sp. nov. Paratype, male. A pleopod B uropod 1 C uropod 2 D uropod 3 E male telson F paratype, female telson. Scale bars: 0.5 mm (A-D); 0.2 mm (E, F)." figureDoi="10.3897/zookeys.1191.113840.figure5" httpUri="https://binary.pensoft.net/fig/983119" pageId="0" pageNumber="105">5F</figureCitation>
|
||
).
|
||
</paragraph>
|
||
<paragraph id="C68A1DE79E14B296141CCBCC0F941F73" pageId="0" pageNumber="105">Uropod 1 similar in size and shape to male uropod 1, except for absence of curved seta.</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="7CD2ED9300E817E089897C78038F290E" pageId="0" pageNumber="105" type="habitat">
|
||
<paragraph id="61D55DA029B6C80570A55C085F2DB30F" pageId="0" pageNumber="105">Habitat.</paragraph>
|
||
<paragraph id="C15637F37EE5BE88DCFBD04F70E48928" pageId="0" pageNumber="105">Freshwater, epigean.</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="59C8C5C1B12187FDB98626E094072CD4" pageId="0" pageNumber="105" type="distribution">
|
||
<paragraph id="0E832A3A299C8E253A93FB05C0D9D4AC" pageId="0" pageNumber="105">Distribution.</paragraph>
|
||
<paragraph id="6FB6814F41D2E469002D843B2323CB86" pageId="0" pageNumber="105">
|
||
Paraguay, Department of
|
||
<normalizedToken id="109C35370DBE89C6C6499F492E448220" originalValue="Ñeembucú">Neembucu</normalizedToken>
|
||
, Pilar. Field localities of Ring Road (
|
||
<geoCoordinate id="242AFF1EA137B1AC276F4136DC5CB718" degrees="26" direction="south" minutes="52" orientation="latitude" precision="15" seconds="31" value="-26.875278">26°52'31"S</geoCoordinate>
|
||
,
|
||
<geoCoordinate id="FB627F96893D928538FA857246FFF042" degrees="58" direction="west" minutes="14" orientation="longitude" precision="15" seconds="59" value="-58.24972">58°14'59"W</geoCoordinate>
|
||
) and San Lorenzo (
|
||
<geoCoordinate id="13B68620AEE9D64422034419524022CE" degrees="26" direction="south" minutes="52" orientation="latitude" precision="15" seconds="35" value="-26.876389">26°52'35"S</geoCoordinate>
|
||
,
|
||
<geoCoordinate id="9D77DDD3715A216BA29910C8064E2B2E" degrees="58" direction="west" minutes="18" orientation="longitude" precision="15" seconds="40" value="-58.31111">58°18'40"W</geoCoordinate>
|
||
).
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="D844E11AD9D22E43216E1B81FB47FB8F" pageId="0" pageNumber="105" type="etymology">
|
||
<paragraph id="E9B6E9BA3435A2AC41EA847E8406FB19" pageId="0" pageNumber="105">Etymology.</paragraph>
|
||
<paragraph id="17CEFA5766B7982B28B11F2C8D9611BB" pageId="0" pageNumber="105">
|
||
In reference to
|
||
<normalizedToken id="08D021DC60B014FCF1EB47FFEEA0BDE5" originalValue="Mbói">Mboi</normalizedToken>
|
||
<normalizedToken id="08B3BE532826C3448D47680179FCB644" originalValue="Tu’i">Tu'i</normalizedToken>
|
||
, one of the seven legendary monsters of
|
||
<normalizedToken id="E43B8223D9BD150FDB6061A3392BA64A" originalValue="Guaraní">Guarani</normalizedToken>
|
||
mythology and protector of wetlands and aquatic life. The species is named in
|
||
<normalizedToken id="C4597EA56D87D12926BE692A7CE8755E" originalValue="Guaraní">Guarani</normalizedToken>
|
||
in honour of it being an endemic Paraguayan species.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |