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<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. &amp; Gattolliat, Jean-Luc" docDate="2022" docId="D253B1D5004F578BB0EF114DE88E750E" 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 jhoanae Kaltenbach &amp; Kluge &amp; Gattolliat 2022, sp. nov." docType="treatment" docUuid="92CD6523-BB67-48E6-BA4E-09B10D3CA416" 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">
<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
<mods:titleInfo>
<mods:title>A widespread new genus of Baetidae (Baetidae, Ephemeroptera) from Southeast Asia</mods:title>
</mods:titleInfo>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Kaltenbach, Thomas</mods:namePart>
<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0001-8052-0388</mods:nameIdentifier>
<mods:affiliation>Museum of Zoology, Palais de Rumine, Place Riponne 6, CH- 1005 Lausanne, Switzerland &amp; University of Lausanne (UNIL), Department of Ecology and Evolution, CH- 1015 Lausanne, Switzerland</mods:affiliation>
<mods:nameIdentifier type="email">thomas.kaltenbach@bluewin.ch</mods:nameIdentifier>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Kluge, Nikita J.</mods:namePart>
<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0001-9741-7790</mods:nameIdentifier>
<mods:affiliation>Department of Entomology, Biological Faculty, Saint-Petersburg State University, Universitetskaya nab., 7 / 9, Saint Petersburg, 199034, Russia</mods:affiliation>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Gattolliat, Jean-Luc</mods:namePart>
<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0001-5873-5083</mods:nameIdentifier>
<mods:affiliation>Museum of Zoology, Palais de Rumine, Place Riponne 6, CH- 1005 Lausanne, Switzerland &amp; University of Lausanne (UNIL), Department of Ecology and Evolution, CH- 1015 Lausanne, Switzerland</mods:affiliation>
</mods:name>
<mods:typeOfResource>text</mods:typeOfResource>
<mods:relatedItem type="host">
<mods:titleInfo>
<mods:title>ZooKeys</mods:title>
</mods:titleInfo>
<mods:part>
<mods:date>2022</mods:date>
<mods:detail type="pubDate">
<mods:number>2022-12-12</mods:number>
</mods:detail>
<mods:detail type="volume">
<mods:number>1135</mods:number>
</mods:detail>
<mods:extent unit="page">
<mods:start>1</mods:start>
<mods:end>59</mods:end>
</mods:extent>
</mods:part>
</mods:relatedItem>
<mods:location>
<mods:url>http://dx.doi.org/10.3897/zookeys.1135.93800</mods:url>
</mods:location>
<mods:classification>journal article</mods:classification>
<mods:identifier type="DOI">http://dx.doi.org/10.3897/zookeys.1135.93800</mods:identifier>
<mods:identifier type="Pensoft-Pub">1313-2970-1135-1</mods:identifier>
<mods:identifier type="ZooBank">0915A6D8A8C54C7A95601D6EF9E14B0F</mods:identifier>
<mods:identifier type="Pensoft-UUID">D264615FC98353B58E89E7FD655988C6</mods:identifier>
</mods:mods>
<treatment LSID="urn:lsid:zoobank.org:act:92CD6523-BB67-48E6-BA4E-09B10D3CA416" httpUri="http://treatment.plazi.org/id/D253B1D5004F578BB0EF114DE88E750E" lastPageNumber="1" pageId="0" pageNumber="1">
<subSubSection pageId="0" pageNumber="1" type="nomenclature">
<paragraph pageId="0" pageNumber="1">
7.
<taxonomicName LSID="https://zoobank.org/92CD6523-BB67-48E6-BA4E-09B10D3CA416" authority="Kaltenbach &amp; Kluge &amp; Gattolliat, 2022" authorityName="Kaltenbach &amp; Kluge &amp; Gattolliat" authorityYear="2022" family="Baetidae" genus="Branchiobaetis" higherTaxonomySource="treatment-meta" kingdom="Animalia" lsidName="Branchiobaetis jhoanae" order="Ephemeroptera" pageId="0" pageNumber="1" rank="species" species="jhoanae" status="sp. nov.">Branchiobaetis jhoanae</taxonomicName>
<taxonomicNameLabel pageId="0" pageNumber="1">sp. nov.</taxonomicNameLabel>
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="1" type="description">
<paragraph pageId="0" pageNumber="1">
<figureCitation captionStart="Figure 22" captionStartId="F22" captionText="Figure 22. Branchiobaetis jhoanae 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.figure22" httpUri="https://binary.pensoft.net/fig/780352" pageId="0" pageNumber="1">Figs 22</figureCitation>
<figureCitation captionStart="Figure 23" captionStartId="F23" captionText="Figure 23. Branchiobaetis jhoanae 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.figure23" httpUri="https://binary.pensoft.net/fig/780353" pageId="0" pageNumber="1">, 23</figureCitation>
<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">, 25b</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">, 26e</figureCitation>
<figureCitation captionStart="Figure 29" captionStartId="F29" captionText="Figure 29. Distribution map. Branchiobaetis jhoanae sp. nov. in the Philippines." figureDoi="10.3897/zookeys.1135.93800.figure29" httpUri="https://binary.pensoft.net/fig/780359" pageId="0" pageNumber="1">, 29</figureCitation>
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="1" type="type material">
<paragraph pageId="0" pageNumber="1">Type material.</paragraph>
<paragraph pageId="0" pageNumber="1">
<emphasis bold="true" pageId="0" pageNumber="1">
<emphasis italics="true" pageId="0" pageNumber="1">Holotype</emphasis>
.
</emphasis>
Philippines • S. Luzon, Sorsogon, Bulusan, San Roque;
<geoCoordinate degrees="12" direction="north" minutes="44" orientation="latitude" precision="925" value="12.733334">12°44'N</geoCoordinate>
,
<geoCoordinate degrees="124" direction="east" minutes="05" orientation="longitude" precision="925" value="124.083336">124°05'E</geoCoordinate>
; 290 m; 26. IX. 1996; leg. J. Mendoza; larva on slide; GBIFCH00592344; PNM.
<emphasis bold="true" pageId="0" pageNumber="1">
<emphasis italics="true" pageId="0" pageNumber="1">Paratypes</emphasis>
.
</emphasis>
Same data as holotype; 1 larva on slide; GBIFCH00763660; MZL. Philippines • Cebu, Cebu City, Cantipla Uno;
<geoCoordinate degrees="10" direction="north" minutes="20" orientation="latitude" precision="15" seconds="48" value="10.346666">10°20'48&quot;N</geoCoordinate>
,
<geoCoordinate degrees="123" direction="east" minutes="51" orientation="longitude" precision="15" seconds="57" value="123.86583">123°51'57&quot;E</geoCoordinate>
; 100 m; 11. IX. 1996; leg. J. Mendoza; larva on slide; GBIFCH00592341; AdMU; larva in alcohol; GBIFCH00515474; AdMU • Cebu, Cebu City, Bgy. Tabunan, sitio Cantipla 1;
<geoCoordinate degrees="10" direction="north" minutes="24" orientation="latitude" precision="15" seconds="56" value="10.415555">10°24'56&quot;N</geoCoordinate>
,
<geoCoordinate degrees="123" direction="east" minutes="49" orientation="longitude" precision="15" seconds="02" value="123.81722">123°49'02&quot;E</geoCoordinate>
; 753 m; 16.XII.1998; leg. Panganthion; larva on slide; GBIFCH00654920; MZL; 2 larvae in alcohol; GBIFCH00515475, GBIFCH00980901; AdMU.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="1" type="differential diagnosis">
<paragraph pageId="0" pageNumber="1">Differential diagnosis.</paragraph>
<paragraph pageId="0" pageNumber="1">
<emphasis bold="true" pageId="0" pageNumber="1">Larva.</emphasis>
Following combination of characters distinguish
<taxonomicName class="Insecta" kingdom="Animalia" lsidName="B. jhoanae" order="Ephemeroptera" pageId="0" pageNumber="1" phylum="Arthropoda" rank="species" species="jhoanae">
<emphasis italics="true" pageId="0" pageNumber="1">B. jhoanae</emphasis>
</taxonomicName>
sp. nov. from other species of
<taxonomicName authorityName="Kaltenbach &amp; Kluge &amp; Gattolliat" authorityYear="2022" family="Baetidae" genus="Branchiobaetis" kingdom="Animalia" lsidName="Branchiobaetis" order="Ephemeroptera" pageId="0" pageNumber="1" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="1">Branchiobaetis</emphasis>
</taxonomicName>
gen. nov.: A) labial palp segment II with small, rounded protuberance; segment III slightly pentagonal, apically pointed, ca. 0.7
<normalizedToken originalValue="×">x</normalizedToken>
length of segment II, ca. 1.4
<normalizedToken originalValue="×">x</normalizedToken>
as long as width at base, approx. as long as maximal width (Fig.
<figureCitation captionStart="Figure 22" captionStartId="F22" captionText="Figure 22. Branchiobaetis jhoanae 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.figure22" httpUri="https://binary.pensoft.net/fig/780352" pageId="0" pageNumber="1">22h</figureCitation>
); B) dorsal margin of femur with row of long, spine-like setae (Fig.
<figureCitation captionStart="Figure 23" captionStartId="F23" captionText="Figure 23. Branchiobaetis jhoanae 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.figure23" httpUri="https://binary.pensoft.net/fig/780353" pageId="0" pageNumber="1">23a</figureCitation>
); C) posterior margin of tergites: I smooth, without spines; II-IX with triangular spines (Fig.
<figureCitation captionStart="Figure 23" captionStartId="F23" captionText="Figure 23. Branchiobaetis jhoanae 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.figure23" httpUri="https://binary.pensoft.net/fig/780353" pageId="0" pageNumber="1">23d</figureCitation>
); posterior margin of sternites: I-VI smooth, without spines; VII-IX with small, spaced, triangular spines; D) paraproct without short, stout, apically rounded setae along posterior margin (Fig.
<figureCitation captionStart="Figure 23" captionStartId="F23" captionText="Figure 23. Branchiobaetis jhoanae 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.figure23" httpUri="https://binary.pensoft.net/fig/780353" pageId="0" pageNumber="1">23f</figureCitation>
).
</paragraph>
<caption doi="10.3897/zookeys.1135.93800.figure22" httpUri="https://binary.pensoft.net/fig/780352" pageId="0" pageNumber="1" start="Figure 22" startId="F22">
<paragraph pageId="0" pageNumber="1">
<emphasis bold="true" pageId="0" pageNumber="1">Figure 22.</emphasis>
<taxonomicName authorityName="Kaltenbach &amp; Kluge &amp; Gattolliat" authorityYear="2022" family="Baetidae" genus="Branchiobaetis" kingdom="Animalia" lsidName="Branchiobaetis jhoanae" order="Ephemeroptera" pageId="0" pageNumber="1" rank="species" species="jhoanae">
<emphasis italics="true" pageId="0" pageNumber="1">Branchiobaetis jhoanae</emphasis>
</taxonomicName>
sp. nov., larva
<emphasis bold="true" pageId="0" pageNumber="1">a</emphasis>
labrum (left: ventral view, right: dorsal view)
<emphasis bold="true" pageId="0" pageNumber="1">b</emphasis>
right mandible
<emphasis bold="true" pageId="0" pageNumber="1">c</emphasis>
right prostheca
<emphasis bold="true" pageId="0" pageNumber="1">d</emphasis>
left mandible
<emphasis bold="true" pageId="0" pageNumber="1">e</emphasis>
left prostheca
<emphasis bold="true" pageId="0" pageNumber="1">f</emphasis>
hypopharynx and superlinguae
<emphasis bold="true" pageId="0" pageNumber="1">g</emphasis>
maxilla
<emphasis bold="true" pageId="0" pageNumber="1">h</emphasis>
labium (left: ventral view, right: dorsal view).
</paragraph>
</caption>
</subSubSection>
<subSubSection pageId="0" pageNumber="1" type="description">
<paragraph pageId="0" pageNumber="1">Description.</paragraph>
<paragraph pageId="0" pageNumber="1">
<emphasis bold="true" pageId="0" pageNumber="1">Larva</emphasis>
(Figs
<figureCitation captionStart="Figure 22" captionStartId="F22" captionText="Figure 22. Branchiobaetis jhoanae 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.figure22" httpUri="https://binary.pensoft.net/fig/780352" pageId="0" pageNumber="1">22</figureCitation>
,
<figureCitation captionStart="Figure 23" captionStartId="F23" captionText="Figure 23. Branchiobaetis jhoanae 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.figure23" httpUri="https://binary.pensoft.net/fig/780353" pageId="0" pageNumber="1">23</figureCitation>
,
<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">25b</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">26e</figureCitation>
). Body length 5.8-7.0 mm. Cerci: ca.
<normalizedToken originalValue="½">1/2</normalizedToken>
of body length. Paracercus: ca. 2/3 of cerci length. Antenna: ca. 2.5
<normalizedToken originalValue="×">x</normalizedToken>
as long as head length.
</paragraph>
<caption doi="10.3897/zookeys.1135.93800.figure23" httpUri="https://binary.pensoft.net/fig/780353" pageId="0" pageNumber="1" start="Figure 23" startId="F23">
<paragraph pageId="0" pageNumber="1">
<emphasis bold="true" pageId="0" pageNumber="1">Figure 23.</emphasis>
<taxonomicName authorityName="Kaltenbach &amp; Kluge &amp; Gattolliat" authorityYear="2022" family="Baetidae" genus="Branchiobaetis" kingdom="Animalia" lsidName="Branchiobaetis jhoanae" order="Ephemeroptera" pageId="0" pageNumber="1" rank="species" species="jhoanae">
<emphasis italics="true" pageId="0" pageNumber="1">Branchiobaetis jhoanae</emphasis>
</taxonomicName>
sp. nov., larva
<emphasis bold="true" pageId="0" pageNumber="1">a</emphasis>
foreleg
<emphasis bold="true" pageId="0" pageNumber="1">b</emphasis>
fore femur apex, posterior view
<emphasis bold="true" pageId="0" pageNumber="1">c</emphasis>
fore claw
<emphasis bold="true" pageId="0" pageNumber="1">d</emphasis>
tergum IV
<emphasis bold="true" pageId="0" pageNumber="1">e</emphasis>
tergalius IV
<emphasis bold="true" pageId="0" pageNumber="1">f</emphasis>
paraproct
<emphasis bold="true" pageId="0" pageNumber="1">g</emphasis>
base of antenna.
</paragraph>
</caption>
<paragraph pageId="0" pageNumber="1">
<emphasis bold="true" italics="true" pageId="0" pageNumber="1">Colouration</emphasis>
(Fig.
<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">25b</figureCitation>
). Head, thorax, and abdomen dorsally brown; head, thorax and abdomen ventrally light brown to brown. Legs light brown to brown, large brown areas along dorsal margin, apex and on medial surface of femur. Caudalii light brown, primary swimming setae dark brown.
</paragraph>
<caption doi="10.3897/zookeys.1135.93800.figure24" httpUri="https://binary.pensoft.net/fig/780354" pageId="0" pageNumber="1" start="Figure 24" startId="F24">
<paragraph pageId="0" pageNumber="1">
<emphasis bold="true" pageId="0" pageNumber="1">Figure 24.</emphasis>
Habitus, larvae, dorsal view
<emphasis bold="true" pageId="0" pageNumber="1">a</emphasis>
<taxonomicName authorityName="Kaltenbach &amp; Kluge &amp; Gattolliat" authorityYear="2022" family="Baetidae" genus="Branchiobaetis" kingdom="Animalia" lsidName="Branchiobaetis aduncus" order="Ephemeroptera" pageId="0" pageNumber="1" rank="species" species="aduncus">
<emphasis italics="true" pageId="0" pageNumber="1">Branchiobaetis aduncus</emphasis>
</taxonomicName>
sp. nov.
<emphasis bold="true" pageId="0" pageNumber="1">b</emphasis>
<taxonomicName authorityName="Kaltenbach &amp; Kluge &amp; Gattolliat" authorityYear="2022" family="Baetidae" genus="Branchiobaetis" kingdom="Animalia" lsidName="Branchiobaetis hamatus" order="Ephemeroptera" pageId="0" pageNumber="1" rank="species" species="hamatus">
<emphasis italics="true" pageId="0" pageNumber="1">Branchiobaetis hamatus</emphasis>
</taxonomicName>
sp. nov.
<emphasis bold="true" pageId="0" pageNumber="1">c</emphasis>
<taxonomicName authorityName="Kaltenbach &amp; Kluge &amp; Gattolliat" authorityYear="2022" family="Baetidae" genus="Branchiobaetis" kingdom="Animalia" lsidName="Branchiobaetis joachimi" order="Ephemeroptera" pageId="0" pageNumber="1" rank="species" species="joachimi">
<emphasis italics="true" pageId="0" pageNumber="1">Branchiobaetis joachimi</emphasis>
</taxonomicName>
sp. nov. (Sumatra, volcano Sago)
<emphasis bold="true" pageId="0" pageNumber="1">d</emphasis>
<taxonomicName authorityName="Kaltenbach &amp; Kluge &amp; Gattolliat" authorityYear="2022" family="Baetidae" genus="Branchiobaetis" kingdom="Animalia" lsidName="Branchiobaetis joachimi" order="Ephemeroptera" pageId="0" pageNumber="1" rank="species" species="joachimi">
<emphasis italics="true" pageId="0" pageNumber="1">Branchiobaetis joachimi</emphasis>
</taxonomicName>
sp. nov. (Sumatra, Bukit Barisan, above Padang).
</paragraph>
</caption>
<paragraph pageId="0" pageNumber="1">
<emphasis bold="true" italics="true" pageId="0" pageNumber="1">Antenna</emphasis>
(Fig.
<figureCitation captionStart="Figure 23" captionStartId="F23" captionText="Figure 23. Branchiobaetis jhoanae 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.figure23" httpUri="https://binary.pensoft.net/fig/780353" pageId="0" pageNumber="1">23g</figureCitation>
). Scape distally with short, stout, apically rounded setae.
</paragraph>
<paragraph pageId="0" pageNumber="1">
<emphasis bold="true" italics="true" pageId="0" pageNumber="1">Labrum</emphasis>
(Fig.
<figureCitation captionStart="Figure 22" captionStartId="F22" captionText="Figure 22. Branchiobaetis jhoanae 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.figure22" httpUri="https://binary.pensoft.net/fig/780352" pageId="0" pageNumber="1">22a</figureCitation>
). Length 0.6
<normalizedToken originalValue="×">x</normalizedToken>
maximum width. Submarginal arc of setae composed of 7-9 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 22" captionStartId="F22" captionText="Figure 22. Branchiobaetis jhoanae 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.figure22" httpUri="https://binary.pensoft.net/fig/780352" pageId="0" pageNumber="1">22b, c</figureCitation>
). Incisor blade-like with three denticles; kinetodontium with four denticles. Margin between prostheca and mola straight, with minute denticles.
</paragraph>
<caption doi="10.3897/zookeys.1135.93800.figure25" httpUri="https://binary.pensoft.net/fig/780355" pageId="0" pageNumber="1" start="Figure 25" startId="F25">
<paragraph pageId="0" pageNumber="1">
<emphasis bold="true" pageId="0" pageNumber="1">Figure 25.</emphasis>
Habitus, larvae, dorsal view
<emphasis bold="true" pageId="0" pageNumber="1">a</emphasis>
<taxonomicName authorityName="Kaltenbach &amp; Kluge &amp; Gattolliat" authorityYear="2022" family="Baetidae" genus="Branchiobaetis" kingdom="Animalia" lsidName="Branchiobaetis minangkabau" order="Ephemeroptera" pageId="0" pageNumber="1" rank="species" species="minangkabau">
<emphasis italics="true" pageId="0" pageNumber="1">Branchiobaetis minangkabau</emphasis>
</taxonomicName>
sp. nov.
<emphasis bold="true" pageId="0" pageNumber="1">b</emphasis>
<taxonomicName authorityName="Kaltenbach &amp; Kluge &amp; Gattolliat" authorityYear="2022" family="Baetidae" genus="Branchiobaetis" kingdom="Animalia" lsidName="Branchiobaetis jhoanae" order="Ephemeroptera" pageId="0" pageNumber="1" rank="species" species="jhoanae">
<emphasis italics="true" pageId="0" pageNumber="1">Branchiobaetis jhoanae</emphasis>
</taxonomicName>
sp. nov. Precursors of turbinate eyes developing in male last instar larvae
<emphasis bold="true" pageId="0" pageNumber="1">c</emphasis>
<taxonomicName authorityName="Kaltenbach &amp; Kluge &amp; Gattolliat" authorityYear="2022" family="Baetidae" genus="Branchiobaetis" kingdom="Animalia" lsidName="Branchiobaetis hamatus" order="Ephemeroptera" pageId="0" pageNumber="1" rank="species" species="hamatus">
<emphasis italics="true" pageId="0" pageNumber="1">Branchiobaetis hamatus</emphasis>
</taxonomicName>
sp. nov.
<emphasis bold="true" pageId="0" pageNumber="1">d</emphasis>
<taxonomicName authorityName="Kaltenbach &amp; Kluge &amp; Gattolliat" authorityYear="2022" family="Baetidae" genus="Branchiobaetis" kingdom="Animalia" lsidName="Branchiobaetis joachimi" order="Ephemeroptera" pageId="0" pageNumber="1" rank="species" species="joachimi">
<emphasis italics="true" pageId="0" pageNumber="1">Branchiobaetis joachimi</emphasis>
</taxonomicName>
sp. nov.
<emphasis bold="true" pageId="0" pageNumber="1">e</emphasis>
<taxonomicName authorityName="Kaltenbach &amp; Kluge &amp; Gattolliat" authorityYear="2022" family="Baetidae" genus="Branchiobaetis" kingdom="Animalia" lsidName="Branchiobaetis minangkabau" order="Ephemeroptera" pageId="0" pageNumber="1" rank="species" species="minangkabau">
<emphasis italics="true" pageId="0" pageNumber="1">Branchiobaetis minangkabau</emphasis>
</taxonomicName>
sp. nov.
</paragraph>
</caption>
<paragraph pageId="0" pageNumber="1">
<emphasis bold="true" italics="true" pageId="0" pageNumber="1">Left mandible</emphasis>
(Fig.
<figureCitation captionStart="Figure 22" captionStartId="F22" captionText="Figure 22. Branchiobaetis jhoanae 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.figure22" httpUri="https://binary.pensoft.net/fig/780352" pageId="0" pageNumber="1">22d, e</figureCitation>
). Incisor blade-like with four denticles; kinetodontium with three denticles. Margin between prostheca and mola straight, with minute denticles towards subtriangular process.
</paragraph>
<paragraph pageId="0" pageNumber="1">Both mandibles with lateral margins slightly convex.</paragraph>
<paragraph pageId="0" pageNumber="1">
<emphasis bold="true" italics="true" pageId="0" pageNumber="1">Hypopharynx and superlinguae</emphasis>
(Fig.
<figureCitation captionStart="Figure 22" captionStartId="F22" captionText="Figure 22. Branchiobaetis jhoanae 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.figure22" httpUri="https://binary.pensoft.net/fig/780352" pageId="0" pageNumber="1">22f</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>
<caption doi="10.3897/zookeys.1135.93800.figure26" httpUri="https://binary.pensoft.net/fig/780356" pageId="0" pageNumber="1" start="Figure 26" startId="F26">
<paragraph pageId="0" pageNumber="1">
<emphasis bold="true" pageId="0" pageNumber="1">Figure 26.</emphasis>
Larva, tergalii IV
<emphasis bold="true" pageId="0" pageNumber="1">a</emphasis>
<taxonomicName authorityName="Kaltenbach &amp; Kluge &amp; Gattolliat" authorityYear="2022" family="Baetidae" genus="Branchiobaetis" kingdom="Animalia" lsidName="Branchiobaetis aduncus" order="Ephemeroptera" pageId="0" pageNumber="1" rank="species" species="aduncus">
<emphasis italics="true" pageId="0" pageNumber="1">Branchiobaetis aduncus</emphasis>
</taxonomicName>
sp. nov.
<emphasis bold="true" pageId="0" pageNumber="1">b</emphasis>
<taxonomicName authorityName="Kaltenbach &amp; Kluge &amp; Gattolliat" authorityYear="2022" family="Baetidae" genus="Branchiobaetis" kingdom="Animalia" lsidName="Branchiobaetis hamatus" order="Ephemeroptera" pageId="0" pageNumber="1" rank="species" species="hamatus">
<emphasis italics="true" pageId="0" pageNumber="1">Branchiobaetis hamatus</emphasis>
</taxonomicName>
sp. nov.
<emphasis bold="true" pageId="0" pageNumber="1">c</emphasis>
<taxonomicName authorityName="Kaltenbach &amp; Kluge &amp; Gattolliat" authorityYear="2022" family="Baetidae" genus="Branchiobaetis" kingdom="Animalia" lsidName="Branchiobaetis joachimi" order="Ephemeroptera" pageId="0" pageNumber="1" rank="species" species="joachimi">
<emphasis italics="true" pageId="0" pageNumber="1">Branchiobaetis joachimi</emphasis>
</taxonomicName>
sp. nov.
<emphasis bold="true" pageId="0" pageNumber="1">d</emphasis>
<taxonomicName authorityName="Kaltenbach &amp; Kluge &amp; Gattolliat" authorityYear="2022" family="Baetidae" genus="Branchiobaetis" kingdom="Animalia" lsidName="Branchiobaetis minangkabau" order="Ephemeroptera" pageId="0" pageNumber="1" rank="species" species="minangkabau">
<emphasis italics="true" pageId="0" pageNumber="1">Branchiobaetis minangkabau</emphasis>
</taxonomicName>
sp. nov.
<emphasis bold="true" pageId="0" pageNumber="1">e</emphasis>
<taxonomicName authorityName="Kaltenbach &amp; Kluge &amp; Gattolliat" authorityYear="2022" family="Baetidae" genus="Branchiobaetis" kingdom="Animalia" lsidName="Branchiobaetis jhoanae" order="Ephemeroptera" pageId="0" pageNumber="1" rank="species" species="jhoanae">
<emphasis italics="true" pageId="0" pageNumber="1">Branchiobaetis jhoanae</emphasis>
</taxonomicName>
sp. nov.
</paragraph>
</caption>
<paragraph pageId="0" pageNumber="1">
<emphasis bold="true" italics="true" pageId="0" pageNumber="1">Maxilla</emphasis>
(Fig.
<figureCitation captionStart="Figure 22" captionStartId="F22" captionText="Figure 22. Branchiobaetis jhoanae 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.figure22" httpUri="https://binary.pensoft.net/fig/780352" pageId="0" pageNumber="1">22g</figureCitation>
). Galea-lacinia ventrally with two simple, apical seta under canines. Medially with one pectinate, spine-like seta and 4-6 medium, simple setae. Maxillary palp approx. as long as galea-lacinia; palp segment II approx. as long as segment I; setae on maxillary palp fine, simple, scattered over surface of segments I and II.
</paragraph>
<caption doi="10.3897/zookeys.1135.93800.figure27" httpUri="https://binary.pensoft.net/fig/780357" pageId="0" pageNumber="1" start="Figure 27" startId="F27">
<paragraph pageId="0" pageNumber="1">
<emphasis bold="true" pageId="0" pageNumber="1">Figure 27.</emphasis>
Distribution maps
<emphasis bold="true" pageId="0" pageNumber="1">a</emphasis>
<taxonomicName authorityName="Kaltenbach &amp; Kluge &amp; Gattolliat" authorityYear="2022" family="Baetidae" genus="Branchiobaetis" kingdom="Animalia" lsidName="Branchiobaetis" order="Ephemeroptera" pageId="0" pageNumber="1" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="1">Branchiobaetis</emphasis>
</taxonomicName>
gen. nov. in Southeast Asia
<emphasis bold="true" pageId="0" pageNumber="1">b</emphasis>
Known species of
<taxonomicName authorityName="Kaltenbach &amp; Kluge &amp; Gattolliat" authorityYear="2022" family="Baetidae" genus="Branchiobaetis" kingdom="Animalia" lsidName="Branchiobaetis" order="Ephemeroptera" pageId="0" pageNumber="1" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="1">Branchiobaetis</emphasis>
</taxonomicName>
gen. nov.
</paragraph>
</caption>
<paragraph pageId="0" pageNumber="1">
<emphasis bold="true" italics="true" pageId="0" pageNumber="1">Labium</emphasis>
(Fig.
<figureCitation captionStart="Figure 22" captionStartId="F22" captionText="Figure 22. Branchiobaetis jhoanae 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.figure22" httpUri="https://binary.pensoft.net/fig/780352" pageId="0" pageNumber="1">22h</figureCitation>
). Inner margin of glossa with eight or nine spine-like setae, increasing in length distally; apex with two long and one medium, robust, pectinate setae; outer margin with approx. five spine-like setae; Paraglossa with one simple seta in anterolateral area and one simple seta in posterolateral area; dorsally with three long, spine-like setae near inner margin. Labial palp with segment I 0.7
<normalizedToken originalValue="×">x</normalizedToken>
as long as length of segments II and III combined. Segment I ventrally with short, fine, simple setae. Segment II with small, rounded, 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 five or six spine-like setae near outer margin. Segment III slightly pentagonal, apically pointed; length approx. maximum width; ventrally covered with short, spine-like, simple setae and short, fine, simple setae.
</paragraph>
<caption doi="10.3897/zookeys.1135.93800.figure28" httpUri="https://binary.pensoft.net/fig/780358" pageId="0" pageNumber="1" start="Figure 28" startId="F28">
<paragraph pageId="0" pageNumber="1">
<emphasis bold="true" pageId="0" pageNumber="1">Figure 28.</emphasis>
Distribution maps
<emphasis bold="true" pageId="0" pageNumber="1">a, b</emphasis>
new species of
<taxonomicName authorityName="Kaltenbach &amp; Kluge &amp; Gattolliat" authorityYear="2022" family="Baetidae" genus="Branchiobaetis" kingdom="Animalia" lsidName="Branchiobaetis" order="Ephemeroptera" pageId="0" pageNumber="1" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="1">Branchiobaetis</emphasis>
</taxonomicName>
gen. nov. in Sumatra.
</paragraph>
</caption>
<paragraph pageId="0" pageNumber="1">
<emphasis bold="true" italics="true" pageId="0" pageNumber="1">Foreleg</emphasis>
(Fig.
<figureCitation captionStart="Figure 23" captionStartId="F23" captionText="Figure 23. Branchiobaetis jhoanae 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.figure23" httpUri="https://binary.pensoft.net/fig/780353" pageId="0" pageNumber="1">23a-c</figureCitation>
). Ratio of foreleg segments 1.3:1.0:0.6:0.2.
<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 14-21 long, curved, spine-like setae, basally denser. Many short, stout 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 and fine, simple setae.
<emphasis bold="true" italics="true" pageId="0" pageNumber="1">Claw</emphasis>
with one row of nine or ten denticles.
</paragraph>
<paragraph pageId="0" pageNumber="1">
<emphasis bold="true" italics="true" pageId="0" pageNumber="1">Terga</emphasis>
(Fig.
<figureCitation captionStart="Figure 23" captionStartId="F23" captionText="Figure 23. Branchiobaetis jhoanae 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.figure23" httpUri="https://binary.pensoft.net/fig/780353" pageId="0" pageNumber="1">23d</figureCitation>
). Surface with irregular rows of U-shaped scale bases and fine simple setae. Posterior margin of tergites: I smooth, without spines; II-IX with triangular spines. Posterior margin of sternites: I-VI smooth, without spines; VII-IX with small, spaced, triangular spines.
</paragraph>
<paragraph pageId="0" pageNumber="1">
<emphasis bold="true" italics="true" pageId="0" pageNumber="1">Tergalii</emphasis>
(Figs
<figureCitation captionStart="Figure 23" captionStartId="F23" captionText="Figure 23. Branchiobaetis jhoanae 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.figure23" httpUri="https://binary.pensoft.net/fig/780353" pageId="0" pageNumber="1">23e</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">26e</figureCitation>
). Tracheae extending to inner and outer margins; indistinct, broad, light brown band along main trunk of tracheae on anal side. Tergalius I as long as 1/2 of segment II, tergalius IV as long as length of segments V and 1/4 VI combined, tergalius VII as long as length of segments VIII and 1/4 IX combined.
</paragraph>
<paragraph pageId="0" pageNumber="1">
<emphasis bold="true" italics="true" pageId="0" pageNumber="1">Paraproct</emphasis>
(Fig.
<figureCitation captionStart="Figure 23" captionStartId="F23" captionText="Figure 23. Branchiobaetis jhoanae 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.figure23" httpUri="https://binary.pensoft.net/fig/780353" pageId="0" pageNumber="1">23f</figureCitation>
). Posterior margin with 14-18 stout spines. Without short, stout setae near posterior margin. Surface scattered with scale bases and micropores.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="1" type="etymology">
<paragraph pageId="0" pageNumber="1">Etymology.</paragraph>
<paragraph pageId="0" pageNumber="1">Dedicated to Dr. Jhoana M. Garces (Philippines) for her great contribution to the knowledge of mayflies from the Philippines.</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="1" type="distribution">
<paragraph pageId="0" pageNumber="1">Distribution.</paragraph>
<paragraph pageId="0" pageNumber="1">
Philippines: Luzon, Cebu (Fig.
<figureCitation captionStart="Figure 29" captionStartId="F29" captionText="Figure 29. Distribution map. Branchiobaetis jhoanae sp. nov. in the Philippines." figureDoi="10.3897/zookeys.1135.93800.figure29" httpUri="https://binary.pensoft.net/fig/780359" pageId="0" pageNumber="1">29</figureCitation>
).
</paragraph>
<caption doi="10.3897/zookeys.1135.93800.figure29" httpUri="https://binary.pensoft.net/fig/780359" pageId="0" pageNumber="1" start="Figure 29" startId="F29">
<paragraph pageId="0" pageNumber="1">
<emphasis bold="true" pageId="0" pageNumber="1">Figure 29.</emphasis>
Distribution map.
<taxonomicName authorityName="Kaltenbach &amp; Kluge &amp; Gattolliat" authorityYear="2022" family="Baetidae" genus="Branchiobaetis" kingdom="Animalia" lsidName="Branchiobaetis jhoanae" order="Ephemeroptera" pageId="0" pageNumber="1" rank="species" species="jhoanae">
<emphasis italics="true" pageId="0" pageNumber="1">Branchiobaetis jhoanae</emphasis>
</taxonomicName>
sp. nov. in the Philippines.
</paragraph>
</caption>
</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 between 100 m and 750 m, on Cebu in stream runs on bottom gravel or rock surface.</paragraph>
</subSubSection>
</treatment>
</document>