301 lines
31 KiB
XML
301 lines
31 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/zookeys.1135.93800" ID-Pensoft-Pub="1313-2970-1135-1" ID-Pensoft-UUID="D264615FC98353B58E89E7FD655988C6" ID-ZooBank="0915A6D8A8C54C7A95601D6EF9E14B0F" ModsDocID="1313-2970-1135-1" checkinTime="1670952524096" checkinUser="pensoft" docAuthor="Kaltenbach, Thomas, Kluge, Nikita J. & Gattolliat, Jean-Luc" docDate="2022" docId="9634FA9A0BC55E268ACF75E8647C7F93" docLanguage="en" docName="ZooKeys 1135: 1-59" docOrigin="ZooKeys 1135" docPubDate="2022-12-12" docSource="http://dx.doi.org/10.3897/zookeys.1135.93800" docTitle="Branchiobaetis minangkabau Kaltenbach & Kluge & Gattolliat 2022, sp. nov." docType="treatment" docUuid="B434954C-6136-4B65-9810-804B6B5581C9" docUuidSource="ZooBank" docVersion="1" id="D264615FC98353B58E89E7FD655988C6" lastPageNumber="1" masterDocId="D264615FC98353B58E89E7FD655988C6" masterDocTitle="A widespread new genus of Baetidae (Baetidae, Ephemeroptera) from Southeast Asia" masterLastPageNumber="59" masterPageNumber="1" pageNumber="1" updateTime="1670952524096" updateUser="pensoft">
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<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:titleInfo>
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<mods:title>A widespread new genus of Baetidae (Baetidae, Ephemeroptera) from Southeast Asia</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>Kaltenbach, Thomas</mods:namePart>
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<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0001-8052-0388</mods:nameIdentifier>
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<mods:affiliation>Museum of Zoology, Palais de Rumine, Place Riponne 6, CH- 1005 Lausanne, Switzerland & University of Lausanne (UNIL), Department of Ecology and Evolution, CH- 1015 Lausanne, Switzerland</mods:affiliation>
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<mods:nameIdentifier type="email">thomas.kaltenbach@bluewin.ch</mods:nameIdentifier>
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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>Kluge, Nikita J.</mods:namePart>
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<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0001-9741-7790</mods:nameIdentifier>
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<mods:affiliation>Department of Entomology, Biological Faculty, Saint-Petersburg State University, Universitetskaya nab., 7 / 9, Saint Petersburg, 199034, Russia</mods:affiliation>
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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>Gattolliat, Jean-Luc</mods:namePart>
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<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0001-5873-5083</mods:nameIdentifier>
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<mods:affiliation>Museum of Zoology, Palais de Rumine, Place Riponne 6, CH- 1005 Lausanne, Switzerland & University of Lausanne (UNIL), Department of Ecology and Evolution, CH- 1015 Lausanne, Switzerland</mods:affiliation>
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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>2022</mods:date>
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<mods:detail type="pubDate">
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<mods:number>2022-12-12</mods:number>
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</mods:detail>
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<mods:detail type="volume">
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<mods:number>1135</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>1</mods:start>
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<mods:end>59</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.1135.93800</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.1135.93800</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1313-2970-1135-1</mods:identifier>
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<mods:identifier type="ZooBank">0915A6D8A8C54C7A95601D6EF9E14B0F</mods:identifier>
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<mods:identifier type="Pensoft-UUID">D264615FC98353B58E89E7FD655988C6</mods:identifier>
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</mods:mods>
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<treatment LSID="urn:lsid:zoobank.org:act:B434954C-6136-4B65-9810-804B6B5581C9" httpUri="http://treatment.plazi.org/id/9634FA9A0BC55E268ACF75E8647C7F93" lastPageNumber="1" pageId="0" pageNumber="1">
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<subSubSection pageId="0" pageNumber="1" type="nomenclature">
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<paragraph pageId="0" pageNumber="1">
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6.
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<taxonomicName LSID="https://zoobank.org/B434954C-6136-4B65-9810-804B6B5581C9" authority="Kaltenbach & Kluge & Gattolliat, 2022" authorityName="Kaltenbach & Kluge & Gattolliat" authorityYear="2022" family="Baetidae" genus="Branchiobaetis" higherTaxonomySource="treatment-meta" kingdom="Animalia" lsidName="Branchiobaetis minangkabau" order="Ephemeroptera" pageId="0" pageNumber="1" rank="species" species="minangkabau" status="sp. nov.">Branchiobaetis minangkabau</taxonomicName>
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<taxonomicNameLabel pageId="0" pageNumber="1">sp. nov.</taxonomicNameLabel>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="1" type="description">
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<paragraph pageId="0" pageNumber="1">
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<figureCitation captionStart="Figure 20" captionStartId="F20" captionText="Figure 20. Branchiobaetis minangkabau sp. nov., larva a labrum (left: ventral view, right: dorsal view) b right mandible c right prostheca d left mandible e left prostheca f hypopharynx and superlinguae g maxilla h labium (left: ventral view, right: dorsal view)." figureDoi="10.3897/zookeys.1135.93800.figure20" httpUri="https://binary.pensoft.net/fig/780350" pageId="0" pageNumber="1">Figs 20</figureCitation>
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<figureCitation captionStart="Figure 21" captionStartId="F21" captionText="Figure 21. Branchiobaetis minangkabau sp. nov., larva a foreleg b fore femur apex, posterior view c fore claw d tergum IV e tergalius IV f paraproct g base of antenna." figureDoi="10.3897/zookeys.1135.93800.figure21" httpUri="https://binary.pensoft.net/fig/780351" pageId="0" pageNumber="1">, 21</figureCitation>
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<figureCitation captionStart="Figure 25" captionStartId="F25" captionText="Figure 25. Habitus, larvae, dorsal view a Branchiobaetis minangkabau sp. nov. b Branchiobaetis jhoanae sp. nov. Precursors of turbinate eyes developing in male last instar larvae c Branchiobaetis hamatus sp. nov. d Branchiobaetis joachimi sp. nov. e Branchiobaetis minangkabau sp. nov." figureDoi="10.3897/zookeys.1135.93800.figure25" httpUri="https://binary.pensoft.net/fig/780355" pageId="0" pageNumber="1">, 25a</figureCitation>
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<figureCitation captionStart="Figure 26" captionStartId="F26" captionText="Figure 26. Larva, tergalii IV a Branchiobaetis aduncus sp. nov. b Branchiobaetis hamatus sp. nov. c Branchiobaetis joachimi sp. nov. d Branchiobaetis minangkabau sp. nov. e Branchiobaetis jhoanae sp. nov." figureDoi="10.3897/zookeys.1135.93800.figure26" httpUri="https://binary.pensoft.net/fig/780356" pageId="0" pageNumber="1">, 26d</figureCitation>
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<figureCitation captionStart="Figure 28" captionStartId="F28" captionText="Figure 28. Distribution maps a, b new species of Branchiobaetis gen. nov. in Sumatra." figureDoi="10.3897/zookeys.1135.93800.figure28" httpUri="https://binary.pensoft.net/fig/780358" pageId="0" pageNumber="1">, 28b</figureCitation>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="1" type="type material">
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<paragraph pageId="0" pageNumber="1">Type material.</paragraph>
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<paragraph pageId="0" pageNumber="1">
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<emphasis bold="true" pageId="0" pageNumber="1">
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<emphasis italics="true" pageId="0" pageNumber="1">Holotype</emphasis>
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.
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</emphasis>
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Indonesia • Sumatra, volcano Talamau, River Pularian;
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<geoCoordinate degrees="00" direction="south" minutes="02" orientation="latitude" precision="15" seconds="15" value="-0.0375">00°02'15"S</geoCoordinate>
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,
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<geoCoordinate degrees="99" direction="east" minutes="59" orientation="longitude" precision="15" seconds="24" value="99.99">99°59'24"E</geoCoordinate>
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; 960 m; 01.IV.2014; leg. M. Gueuning; larva on slide; GBIFCH00592524; MZL.
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<emphasis bold="true" pageId="0" pageNumber="1">
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<emphasis italics="true" pageId="0" pageNumber="1">Paratypes</emphasis>
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.
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</emphasis>
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Same data as holotype; larva on slide; GBIFCH00422480; MZL; 18 larvae in alcohol; GBIFCH00406299, GBIFCH00406308, GBIFCH00406398, GBIFCH00406407, GBIFCH00422240, GBIFCH00422245, GBIFCH00422247, GBIFCH00422257, GBIFCH00422262, GBIFCH00422269, GBIFCH00422481, GBIFCH00422527, GBIFCH00422534, GBIFCH00423110, GBIFCH00980904; MZL. Indonesia • West Sumatra, Sawahlunto, Talawi Hilir, Dusun Talimato, UB Farm;
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<geoCoordinate degrees="0" direction="south" minutes="35" orientation="latitude" precision="15" seconds="52" value="-0.5977778">0°35'52"S</geoCoordinate>
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,
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<geoCoordinate degrees="100" direction="east" minutes="43" orientation="longitude" precision="15" seconds="02" value="100.717224">100°43'02"E</geoCoordinate>
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; 305 m; 25.X.2013; leg. M. Balke; larva on slide; GBIFCH00763628; MZB (temporarily housed in MZL); larva on slide; GBIFCH00592445; MZL; 2 larvae in alcohol; GBIFCH00975608, GBIFCH00980900; MZL.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="1" type="differential diagnosis">
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<paragraph pageId="0" pageNumber="1">Differential diagnosis.</paragraph>
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<paragraph pageId="0" pageNumber="1">
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<emphasis bold="true" pageId="0" pageNumber="1">Larva.</emphasis>
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Following combination of characters distinguish
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<taxonomicName class="Insecta" kingdom="Animalia" lsidName="B. minangkabau" order="Ephemeroptera" pageId="0" pageNumber="1" phylum="Arthropoda" rank="species" species="minangkabau">
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<emphasis italics="true" pageId="0" pageNumber="1">B. minangkabau</emphasis>
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</taxonomicName>
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sp. nov. from other species of
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<taxonomicName authorityName="Kaltenbach & Kluge & Gattolliat" authorityYear="2022" family="Baetidae" genus="Branchiobaetis" kingdom="Animalia" lsidName="Branchiobaetis" order="Ephemeroptera" pageId="0" pageNumber="1" rank="genus">
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<emphasis italics="true" pageId="0" pageNumber="1">Branchiobaetis</emphasis>
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</taxonomicName>
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gen. nov.: A) labial palp segment II with small protuberance; segment III slightly pentagonal, apically slightly concave, with projecting point (Fig.
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<figureCitation captionStart="Figure 20" captionStartId="F20" captionText="Figure 20. Branchiobaetis minangkabau sp. nov., larva a labrum (left: ventral view, right: dorsal view) b right mandible c right prostheca d left mandible e left prostheca f hypopharynx and superlinguae g maxilla h labium (left: ventral view, right: dorsal view)." figureDoi="10.3897/zookeys.1135.93800.figure20" httpUri="https://binary.pensoft.net/fig/780350" pageId="0" pageNumber="1">20h</figureCitation>
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); B) dorsal margin of femur with row of long, spine-like setae, denser in basal area (Fig.
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<figureCitation captionStart="Figure 21" captionStartId="F21" captionText="Figure 21. Branchiobaetis minangkabau sp. nov., larva a foreleg b fore femur apex, posterior view c fore claw d tergum IV e tergalius IV f paraproct g base of antenna." figureDoi="10.3897/zookeys.1135.93800.figure21" httpUri="https://binary.pensoft.net/fig/780351" pageId="0" pageNumber="1">21a</figureCitation>
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); C) posterior margin of tergites: I smooth, without spines; II-IV with rounded spines, wider than long, partly fused at base; V-IX with triangular spines, narrower and longer towards last segment (Fig.
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<figureCitation captionStart="Figure 21" captionStartId="F21" captionText="Figure 21. Branchiobaetis minangkabau sp. nov., larva a foreleg b fore femur apex, posterior view c fore claw d tergum IV e tergalius IV f paraproct g base of antenna." figureDoi="10.3897/zookeys.1135.93800.figure21" httpUri="https://binary.pensoft.net/fig/780351" pageId="0" pageNumber="1">21d</figureCitation>
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); posterior margin of sternites: I-VI smooth, without spines; VII and VIII with small, spaced, triangular spines; IX with small, triangular spines; D) paraproct without short, stout, apically rounded setae along posterior margin (Fig.
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<figureCitation captionStart="Figure 21" captionStartId="F21" captionText="Figure 21. Branchiobaetis minangkabau sp. nov., larva a foreleg b fore femur apex, posterior view c fore claw d tergum IV e tergalius IV f paraproct g base of antenna." figureDoi="10.3897/zookeys.1135.93800.figure21" httpUri="https://binary.pensoft.net/fig/780351" pageId="0" pageNumber="1">21f</figureCitation>
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).
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</paragraph>
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<caption doi="10.3897/zookeys.1135.93800.figure20" httpUri="https://binary.pensoft.net/fig/780350" pageId="0" pageNumber="1" start="Figure 20" startId="F20">
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<paragraph pageId="0" pageNumber="1">
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<emphasis bold="true" pageId="0" pageNumber="1">Figure 20.</emphasis>
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<taxonomicName authorityName="Kaltenbach & Kluge & Gattolliat" authorityYear="2022" family="Baetidae" genus="Branchiobaetis" kingdom="Animalia" lsidName="Branchiobaetis minangkabau" order="Ephemeroptera" pageId="0" pageNumber="1" rank="species" species="minangkabau">
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<emphasis italics="true" pageId="0" pageNumber="1">Branchiobaetis minangkabau</emphasis>
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</taxonomicName>
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sp. nov., larva
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<emphasis bold="true" pageId="0" pageNumber="1">a</emphasis>
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labrum (left: ventral view, right: dorsal view)
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<emphasis bold="true" pageId="0" pageNumber="1">b</emphasis>
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right mandible
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<emphasis bold="true" pageId="0" pageNumber="1">c</emphasis>
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right prostheca
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<emphasis bold="true" pageId="0" pageNumber="1">d</emphasis>
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left mandible
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<emphasis bold="true" pageId="0" pageNumber="1">e</emphasis>
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left prostheca
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<emphasis bold="true" pageId="0" pageNumber="1">f</emphasis>
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hypopharynx and superlinguae
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<emphasis bold="true" pageId="0" pageNumber="1">g</emphasis>
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maxilla
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<emphasis bold="true" pageId="0" pageNumber="1">h</emphasis>
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labium (left: ventral view, right: dorsal view).
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</paragraph>
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</caption>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="1" type="description">
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<paragraph pageId="0" pageNumber="1">Description.</paragraph>
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<paragraph pageId="0" pageNumber="1">
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<emphasis bold="true" pageId="0" pageNumber="1">Larva</emphasis>
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(Figs
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<figureCitation captionStart="Figure 20" captionStartId="F20" captionText="Figure 20. Branchiobaetis minangkabau sp. nov., larva a labrum (left: ventral view, right: dorsal view) b right mandible c right prostheca d left mandible e left prostheca f hypopharynx and superlinguae g maxilla h labium (left: ventral view, right: dorsal view)." figureDoi="10.3897/zookeys.1135.93800.figure20" httpUri="https://binary.pensoft.net/fig/780350" pageId="0" pageNumber="1">20</figureCitation>
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,
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<figureCitation captionStart="Figure 21" captionStartId="F21" captionText="Figure 21. Branchiobaetis minangkabau sp. nov., larva a foreleg b fore femur apex, posterior view c fore claw d tergum IV e tergalius IV f paraproct g base of antenna." figureDoi="10.3897/zookeys.1135.93800.figure21" httpUri="https://binary.pensoft.net/fig/780351" pageId="0" pageNumber="1">21</figureCitation>
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,
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<figureCitation captionStart="Figure 25" captionStartId="F25" captionText="Figure 25. Habitus, larvae, dorsal view a Branchiobaetis minangkabau sp. nov. b Branchiobaetis jhoanae sp. nov. Precursors of turbinate eyes developing in male last instar larvae c Branchiobaetis hamatus sp. nov. d Branchiobaetis joachimi sp. nov. e Branchiobaetis minangkabau sp. nov." figureDoi="10.3897/zookeys.1135.93800.figure25" httpUri="https://binary.pensoft.net/fig/780355" pageId="0" pageNumber="1">25a</figureCitation>
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,
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<figureCitation captionStart="Figure 26" captionStartId="F26" captionText="Figure 26. Larva, tergalii IV a Branchiobaetis aduncus sp. nov. b Branchiobaetis hamatus sp. nov. c Branchiobaetis joachimi sp. nov. d Branchiobaetis minangkabau sp. nov. e Branchiobaetis jhoanae sp. nov." figureDoi="10.3897/zookeys.1135.93800.figure26" httpUri="https://binary.pensoft.net/fig/780356" pageId="0" pageNumber="1">26d</figureCitation>
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). Body length 6.5-8.5 mm. Cerci: ca. 2/3 of body length. Paracercus: ca. 1/2 cerci length. Antenna: ca. 2.5
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<normalizedToken originalValue="×">x</normalizedToken>
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as long as head length.
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</paragraph>
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<caption doi="10.3897/zookeys.1135.93800.figure21" httpUri="https://binary.pensoft.net/fig/780351" pageId="0" pageNumber="1" start="Figure 21" startId="F21">
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<paragraph pageId="0" pageNumber="1">
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<emphasis bold="true" pageId="0" pageNumber="1">Figure 21.</emphasis>
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<taxonomicName authorityName="Kaltenbach & Kluge & Gattolliat" authorityYear="2022" family="Baetidae" genus="Branchiobaetis" kingdom="Animalia" lsidName="Branchiobaetis minangkabau" order="Ephemeroptera" pageId="0" pageNumber="1" rank="species" species="minangkabau">
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<emphasis italics="true" pageId="0" pageNumber="1">Branchiobaetis minangkabau</emphasis>
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</taxonomicName>
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sp. nov., larva
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<emphasis bold="true" pageId="0" pageNumber="1">a</emphasis>
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foreleg
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<emphasis bold="true" pageId="0" pageNumber="1">b</emphasis>
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fore femur apex, posterior view
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<emphasis bold="true" pageId="0" pageNumber="1">c</emphasis>
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fore claw
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<emphasis bold="true" pageId="0" pageNumber="1">d</emphasis>
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tergum IV
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<emphasis bold="true" pageId="0" pageNumber="1">e</emphasis>
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tergalius IV
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<emphasis bold="true" pageId="0" pageNumber="1">f</emphasis>
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paraproct
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<emphasis bold="true" pageId="0" pageNumber="1">g</emphasis>
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base of antenna.
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</paragraph>
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</caption>
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<paragraph pageId="0" pageNumber="1">
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<emphasis bold="true" italics="true" pageId="0" pageNumber="1">Colouration</emphasis>
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(Fig.
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<figureCitation captionStart="Figure 25" captionStartId="F25" captionText="Figure 25. Habitus, larvae, dorsal view a Branchiobaetis minangkabau sp. nov. b Branchiobaetis jhoanae sp. nov. Precursors of turbinate eyes developing in male last instar larvae c Branchiobaetis hamatus sp. nov. d Branchiobaetis joachimi sp. nov. e Branchiobaetis minangkabau sp. nov." figureDoi="10.3897/zookeys.1135.93800.figure25" httpUri="https://binary.pensoft.net/fig/780355" pageId="0" pageNumber="1">25a</figureCitation>
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). Head, thorax and abdomen dorsally brown, abdominal segments I and X lighter, abdomen laterally on segments II-IX whitish; head, thorax and abdomen ventrally light brown. Legs with dark brown coxae, femur light brown, apically and dorsally along margin dark brown, with large, medial, dark brown spot; tibia light brown; tarsus basally light brown, dark brown in distal half. Caudalii light brown, primary swimming setae dark brown.
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</paragraph>
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<paragraph pageId="0" pageNumber="1">
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<emphasis bold="true" italics="true" pageId="0" pageNumber="1">Precursors of turbinate eyes</emphasis>
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(Fig.
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<figureCitation captionStart="Figure 25" captionStartId="F25" captionText="Figure 25. Habitus, larvae, dorsal view a Branchiobaetis minangkabau sp. nov. b Branchiobaetis jhoanae sp. nov. Precursors of turbinate eyes developing in male last instar larvae c Branchiobaetis hamatus sp. nov. d Branchiobaetis joachimi sp. nov. e Branchiobaetis minangkabau sp. nov." figureDoi="10.3897/zookeys.1135.93800.figure25" httpUri="https://binary.pensoft.net/fig/780355" pageId="0" pageNumber="1">25e</figureCitation>
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) in male last instar larvae representing a pair of egg-shaped maculae; in the middle of this macula, a smaller, round, elevated area with well-expressed facets, ca. eight facets in diameter; peripheral area of the macula with indistinct facets.
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</paragraph>
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<paragraph pageId="0" pageNumber="1">
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<emphasis bold="true" italics="true" pageId="0" pageNumber="1">Antenna</emphasis>
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(Fig.
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<figureCitation captionStart="Figure 21" captionStartId="F21" captionText="Figure 21. Branchiobaetis minangkabau sp. nov., larva a foreleg b fore femur apex, posterior view c fore claw d tergum IV e tergalius IV f paraproct g base of antenna." figureDoi="10.3897/zookeys.1135.93800.figure21" httpUri="https://binary.pensoft.net/fig/780351" pageId="0" pageNumber="1">21g</figureCitation>
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). Scape distally and outside distolaterally with short, stout, apically rounded setae.
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</paragraph>
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||
<paragraph pageId="0" pageNumber="1">
|
||
<emphasis bold="true" italics="true" pageId="0" pageNumber="1">Labrum</emphasis>
|
||
(Fig.
|
||
<figureCitation captionStart="Figure 20" captionStartId="F20" captionText="Figure 20. Branchiobaetis minangkabau sp. nov., larva a labrum (left: ventral view, right: dorsal view) b right mandible c right prostheca d left mandible e left prostheca f hypopharynx and superlinguae g maxilla h labium (left: ventral view, right: dorsal view)." figureDoi="10.3897/zookeys.1135.93800.figure20" httpUri="https://binary.pensoft.net/fig/780350" pageId="0" pageNumber="1">20a</figureCitation>
|
||
). Length 0.6
|
||
<normalizedToken originalValue="×">x</normalizedToken>
|
||
maximum width. Submarginal arc of setae composed of 11-13 long, simple setae.
|
||
</paragraph>
|
||
<paragraph pageId="0" pageNumber="1">
|
||
<emphasis bold="true" italics="true" pageId="0" pageNumber="1">Right mandible</emphasis>
|
||
(Fig.
|
||
<figureCitation captionStart="Figure 20" captionStartId="F20" captionText="Figure 20. Branchiobaetis minangkabau sp. nov., larva a labrum (left: ventral view, right: dorsal view) b right mandible c right prostheca d left mandible e left prostheca f hypopharynx and superlinguae g maxilla h labium (left: ventral view, right: dorsal view)." figureDoi="10.3897/zookeys.1135.93800.figure20" httpUri="https://binary.pensoft.net/fig/780350" pageId="0" pageNumber="1">20b, c</figureCitation>
|
||
). Incisor and kinetodontium distally cleft. Incisor blade-like with three denticles; kinetodontium with four denticles. Minute setae outside laterally on first denticle (present on fresh mandibles only). Margin between prostheca and mola straight, with minute denticles.
|
||
</paragraph>
|
||
<paragraph pageId="0" pageNumber="1">
|
||
<emphasis bold="true" italics="true" pageId="0" pageNumber="1">Left mandible</emphasis>
|
||
(Fig.
|
||
<figureCitation captionStart="Figure 20" captionStartId="F20" captionText="Figure 20. Branchiobaetis minangkabau sp. nov., larva a labrum (left: ventral view, right: dorsal view) b right mandible c right prostheca d left mandible e left prostheca f hypopharynx and superlinguae g maxilla h labium (left: ventral view, right: dorsal view)." figureDoi="10.3897/zookeys.1135.93800.figure20" httpUri="https://binary.pensoft.net/fig/780350" pageId="0" pageNumber="1">20d, e</figureCitation>
|
||
). Incisor blade-like with three denticles; kinetodontium with three denticles. Minute setae outside laterally on first denticle (present on fresh mandibles only). Margin between prostheca and mola straight, with minute denticles towards subtriangular process.
|
||
</paragraph>
|
||
<paragraph pageId="0" pageNumber="1">Both mandibles with lateral margins almost straight.</paragraph>
|
||
<paragraph pageId="0" pageNumber="1">
|
||
<emphasis bold="true" italics="true" pageId="0" pageNumber="1">Hypopharynx and superlinguae</emphasis>
|
||
(Fig.
|
||
<figureCitation captionStart="Figure 20" captionStartId="F20" captionText="Figure 20. Branchiobaetis minangkabau sp. nov., larva a labrum (left: ventral view, right: dorsal view) b right mandible c right prostheca d left mandible e left prostheca f hypopharynx and superlinguae g maxilla h labium (left: ventral view, right: dorsal view)." figureDoi="10.3897/zookeys.1135.93800.figure20" httpUri="https://binary.pensoft.net/fig/780350" pageId="0" pageNumber="1">20f</figureCitation>
|
||
). Lingua as long as superlinguae. Lingua longer than broad; medial tuft of stout setae well developed, long. Superlinguae distally rounded; lateral margins rounded; fine, long, simple setae along distal margin.
|
||
</paragraph>
|
||
<paragraph pageId="0" pageNumber="1">
|
||
<emphasis bold="true" italics="true" pageId="0" pageNumber="1">Maxilla</emphasis>
|
||
(Fig.
|
||
<figureCitation captionStart="Figure 20" captionStartId="F20" captionText="Figure 20. Branchiobaetis minangkabau sp. nov., larva a labrum (left: ventral view, right: dorsal view) b right mandible c right prostheca d left mandible e left prostheca f hypopharynx and superlinguae g maxilla h labium (left: ventral view, right: dorsal view)." figureDoi="10.3897/zookeys.1135.93800.figure20" httpUri="https://binary.pensoft.net/fig/780350" pageId="0" pageNumber="1">20g</figureCitation>
|
||
). Galea-lacinia ventrally with one simple, apical seta under canines. Medially with one pectinate, spine-like seta and three or four medium, simple setae. Maxillary palp as long as galea-lacinia; palp segment II 1.1
|
||
<normalizedToken originalValue="×">x</normalizedToken>
|
||
as long as segment I; setae on maxillary palp fine, simple, scattered over surface of segments I and II.
|
||
</paragraph>
|
||
<paragraph pageId="0" pageNumber="1">
|
||
<emphasis bold="true" italics="true" pageId="0" pageNumber="1">Labium</emphasis>
|
||
(Fig.
|
||
<figureCitation captionStart="Figure 20" captionStartId="F20" captionText="Figure 20. Branchiobaetis minangkabau sp. nov., larva a labrum (left: ventral view, right: dorsal view) b right mandible c right prostheca d left mandible e left prostheca f hypopharynx and superlinguae g maxilla h labium (left: ventral view, right: dorsal view)." figureDoi="10.3897/zookeys.1135.93800.figure20" httpUri="https://binary.pensoft.net/fig/780350" pageId="0" pageNumber="1">20h</figureCitation>
|
||
). Inner margin of glossa with approx. eight spine-like setae, increasing in length distally; apex with two long and one medium, robust setae; outer margin with two or three spine-like setae; Paraglossa with one simple seta in posterolateral area; dorsally with two long, spine-like setae near inner margin. Labial palp with segment I approx. as long as length of segments II and III combined. Segment I ventrally with short, fine, simple setae. Segment II with small, distomedial protuberance; distomedial protuberance 0.3
|
||
<normalizedToken originalValue="×">x</normalizedToken>
|
||
width of base of segment III; ventral surface with short, fine, simple setae; dorsally with 6-9 spine-like setae near outer margin, not always in a row. Segment III slightly pentagonal, apically slightly concave, with projecting point; length approx. maximum width; ventrally covered with short, spine-like, simple setae and short, fine, simple setae.
|
||
</paragraph>
|
||
<paragraph pageId="0" pageNumber="1">
|
||
<emphasis bold="true" italics="true" pageId="0" pageNumber="1">Foreleg</emphasis>
|
||
(Fig.
|
||
<figureCitation captionStart="Figure 21" captionStartId="F21" captionText="Figure 21. Branchiobaetis minangkabau sp. nov., larva a foreleg b fore femur apex, posterior view c fore claw d tergum IV e tergalius IV f paraproct g base of antenna." figureDoi="10.3897/zookeys.1135.93800.figure21" httpUri="https://binary.pensoft.net/fig/780351" pageId="0" pageNumber="1">21a-c</figureCitation>
|
||
). Ratio of foreleg segments 1.4:1.0:0.6:0.2.
|
||
<emphasis bold="true" italics="true" pageId="0" pageNumber="1">Femur</emphasis>
|
||
. Length ca. 3
|
||
<normalizedToken originalValue="×">x</normalizedToken>
|
||
maximum width. Dorsal margin with row of 15-20 long, curved, spine-like setae, basally denser. Many short, stout, apically rounded setae scattered along ventral margin. Apex rounded, with pair of long, spine-like setae and some short, stout setae.
|
||
<emphasis bold="true" italics="true" pageId="0" pageNumber="1">Tibia</emphasis>
|
||
. Dorsal margin with row of short, stout setae. On surface few such setae along patella-tibial suture. Ventral margin with row of short, curved, spine-like setae, on apex a tuft of fine, simple setae.
|
||
<emphasis bold="true" italics="true" pageId="0" pageNumber="1">Tarsus</emphasis>
|
||
. Dorsal margin with row of short, stout setae.
|
||
<emphasis bold="true" italics="true" pageId="0" pageNumber="1">Claw</emphasis>
|
||
with one row of eight or nine denticles.
|
||
</paragraph>
|
||
<paragraph pageId="0" pageNumber="1">
|
||
<emphasis bold="true" italics="true" pageId="0" pageNumber="1">Terga</emphasis>
|
||
(Fig.
|
||
<figureCitation captionStart="Figure 21" captionStartId="F21" captionText="Figure 21. Branchiobaetis minangkabau sp. nov., larva a foreleg b fore femur apex, posterior view c fore claw d tergum IV e tergalius IV f paraproct g base of antenna." figureDoi="10.3897/zookeys.1135.93800.figure21" httpUri="https://binary.pensoft.net/fig/780351" pageId="0" pageNumber="1">21d</figureCitation>
|
||
). Surface with irregular rows of U-shaped scale bases. Posterior margin of tergites: I smooth, without spines; II-IV with rounded spines, wider than long, partly fused at base; V-IX with triangular spines, narrower and longer towards last segment. Posterior margin of sternites: I-VI smooth, without spines; VII-VIII with small, spaced, triangular spines; IX with small triangular spines.
|
||
</paragraph>
|
||
<paragraph pageId="0" pageNumber="1">
|
||
<emphasis bold="true" italics="true" pageId="0" pageNumber="1">Tergalii</emphasis>
|
||
(Figs
|
||
<figureCitation captionStart="Figure 21" captionStartId="F21" captionText="Figure 21. Branchiobaetis minangkabau sp. nov., larva a foreleg b fore femur apex, posterior view c fore claw d tergum IV e tergalius IV f paraproct g base of antenna." figureDoi="10.3897/zookeys.1135.93800.figure21" httpUri="https://binary.pensoft.net/fig/780351" pageId="0" pageNumber="1">21e</figureCitation>
|
||
,
|
||
<figureCitation captionStart="Figure 26" captionStartId="F26" captionText="Figure 26. Larva, tergalii IV a Branchiobaetis aduncus sp. nov. b Branchiobaetis hamatus sp. nov. c Branchiobaetis joachimi sp. nov. d Branchiobaetis minangkabau sp. nov. e Branchiobaetis jhoanae sp. nov." figureDoi="10.3897/zookeys.1135.93800.figure26" httpUri="https://binary.pensoft.net/fig/780356" pageId="0" pageNumber="1">26d</figureCitation>
|
||
). Tracheae not reaching inner and outer margins; indistinct broad, light brown band along main trunk of tracheae on anal side. Tergalius I as long as 2/3 of segment II, tergalius IV as long as length of segments V and 2/3 VI combined, tergalius VII as long as length of segments VIII and 1/3 IX combined.
|
||
</paragraph>
|
||
<paragraph pageId="0" pageNumber="1">
|
||
<emphasis bold="true" italics="true" pageId="0" pageNumber="1">Paraproct</emphasis>
|
||
(Fig.
|
||
<figureCitation captionStart="Figure 21" captionStartId="F21" captionText="Figure 21. Branchiobaetis minangkabau sp. nov., larva a foreleg b fore femur apex, posterior view c fore claw d tergum IV e tergalius IV f paraproct g base of antenna." figureDoi="10.3897/zookeys.1135.93800.figure21" httpUri="https://binary.pensoft.net/fig/780351" pageId="0" pageNumber="1">21f</figureCitation>
|
||
). Posterior margin with 14-24 stout spines. Without short, stout setae near posterior margin. Surface scattered with scale bases, micropores and fine, simple setae.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="0" pageNumber="1" type="etymology">
|
||
<paragraph pageId="0" pageNumber="1">Etymology.</paragraph>
|
||
<paragraph pageId="0" pageNumber="1">Dedicated to the indigenous Minangkabau people, who live in the area of Sumatra where the specimens were collected.</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="0" pageNumber="1" type="distribution">
|
||
<paragraph pageId="0" pageNumber="1">Distribution.</paragraph>
|
||
<paragraph pageId="0" pageNumber="1">
|
||
Indonesia: Sumatra (Fig.
|
||
<figureCitation captionStart="Figure 28" captionStartId="F28" captionText="Figure 28. Distribution maps a, b new species of Branchiobaetis gen. nov. in Sumatra." figureDoi="10.3897/zookeys.1135.93800.figure28" httpUri="https://binary.pensoft.net/fig/780358" pageId="0" pageNumber="1">28b</figureCitation>
|
||
).
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="0" pageNumber="1" type="biological aspects">
|
||
<paragraph pageId="0" pageNumber="1">Biological aspects.</paragraph>
|
||
<paragraph pageId="0" pageNumber="1">The specimens were collected on altitudes of 300 m and 960 m, most of them in a stream with the following physical conditions: slope 25%, width of stream 3-20 m, depth ca. 1.5 m, velocity slow in pool and 0.8 m/s in cascade, pH 8, stream bed dominated by bedrock and stones with patches of sand.</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |