351 lines
32 KiB
XML
351 lines
32 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/afrinvertebr.62.62029" ID-GBIF-Dataset="90f9e755-4b7b-428f-9700-3d6fa786f3a6" ID-GBIF-Taxon="179910694" ID-Pensoft-Pub="2305-2562-1-231" ID-Pensoft-UUID="D6B5B7B648B6527898474ABDACD47ECC" ID-ZooBank="E78BE37B3A274A16B4F8FE24E3BA2167" LSID="urn:lsid:zoobank.org:act:15AB1723-9D5C-4128-A058-719772F436D8" ModsDocID="2305-2562-1-231" checkinTime="1614249370125" checkinUser="pensoft" docAuthor="Kaltenbach, Thomas & Gattolliat, Jean-Luc" docDate="2021" docId="1A61B5785C38540196BCABB04F8CF39B" docLanguage="en" docName="AfrInvert 62(1): 231-255" docOrigin="African Invertebrates 62 (1)" docPubDate="2021-02-24" docSource="http://dx.doi.org/10.3897/afrinvertebr.62.62029" docTitle="Labiobaetis excavatus Kaltenbach & Gattolliat 2021, sp. nov." docType="treatment" docUuid="15AB1723-9D5C-4128-A058-719772F436D8" docUuidSource="ZooBank" docVersion="4" id="D6B5B7B648B6527898474ABDACD47ECC" lastPageNumber="231" masterDocId="D6B5B7B648B6527898474ABDACD47ECC" masterDocTitle="Labiobaetis Novikova & Kluge in Ethiopia (Ephemeroptera, Baetidae), with description of a new species" masterLastPageNumber="255" masterPageNumber="231" pageId="0" pageNumber="231" updateTime="1635946033914" updateUser="ExternalLinkService">
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<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:titleInfo>
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<mods:title>Labiobaetis Novikova & Kluge in Ethiopia (Ephemeroptera, Baetidae), with description of a new species</mods:title>
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</mods:titleInfo>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>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>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>African Invertebrates</mods:title>
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</mods:titleInfo>
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<mods:part>
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<mods:date>2021</mods:date>
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<mods:detail type="pubDate">
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<mods:number>2021-02-24</mods:number>
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</mods:detail>
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<mods:detail type="volume">
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<mods:number>62</mods:number>
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</mods:detail>
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<mods:detail type="issue">
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<mods:number>1</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>231</mods:start>
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<mods:end>255</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/afrinvertebr.62.62029</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/afrinvertebr.62.62029</mods:identifier>
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<mods:identifier type="Pensoft-Pub">2305-2562-1-231</mods:identifier>
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<mods:identifier type="ZooBank">E78BE37B3A274A16B4F8FE24E3BA2167</mods:identifier>
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<mods:identifier type="Pensoft-UUID">D6B5B7B648B6527898474ABDACD47ECC</mods:identifier>
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</mods:mods>
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<treatment ID-GBIF-Taxon="179910694" LSID="urn:lsid:zoobank.org:act:15AB1723-9D5C-4128-A058-719772F436D8" httpUri="http://treatment.plazi.org/id/1A61B5785C38540196BCABB04F8CF39B" lastPageNumber="231" pageId="0" pageNumber="231">
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<subSubSection pageId="0" pageNumber="231" type="nomenclature">
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<paragraph pageId="0" pageNumber="231">
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2.
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<taxonomicName LSID="http://zoobank.org/15AB1723-9D5C-4128-A058-719772F436D8" authority="Kaltenbach & Gattolliat, 2021" authorityName="Kaltenbach & Gattolliat" authorityYear="2021" class="Insecta" family="Baetidae" genus="Labiobaetis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Labiobaetis excavatus" order="Ephemeroptera" pageId="0" pageNumber="231" phylum="Arthropoda" rank="species" species="excavatus" status="sp. nov.">Labiobaetis excavatus</taxonomicName>
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<taxonomicNameLabel pageId="0" pageNumber="231">sp. nov.</taxonomicNameLabel>
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<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Distribution of Labiobaetis in Ethiopia." figureDoi="10.3897/afrinvertebr.62.62029.figure2" httpUri="https://binary.pensoft.net/fig/513249" pageId="0" pageNumber="231">Figures 2a</figureCitation>
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<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Labiobaetis excavatus sp. nov., habitus, nymph a dorsal view b ventral view. Scale bars: 1.0 mm." figureDoi="10.3897/afrinvertebr.62.62029.figure3" httpUri="https://binary.pensoft.net/fig/513250" pageId="0" pageNumber="231">, 3</figureCitation>
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<figureCitation captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Labiobaetis excavatus sp. nov., nymph morphology a foreleg b fore claw c tergum IV d gill IV e margin of gill IV f paraproct g antennal scape h metanotum. Scale bars: 0.1 mm." figureDoi="10.3897/afrinvertebr.62.62029.figure4" httpUri="https://binary.pensoft.net/fig/513251" pageId="0" pageNumber="231">, 4</figureCitation>
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<figureCitation captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Labiobaetis excavatus sp. nov., nymph morphology: a labrum b right mandible c right prostheca d left mandible e left prostheca f hypopharynx and superlinguae g maxilla h apex of maxillary palp (left: dorsal view, right: inner lateral view) i labium j apex of paraglossa. Scale bar: 0.1 mm." figureDoi="10.3897/afrinvertebr.62.62029.figure5" httpUri="https://binary.pensoft.net/fig/513252" pageId="0" pageNumber="231">, 5</figureCitation>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="231" type="differential diagnosis">
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<paragraph pageId="0" pageNumber="231">Differential diagnosis.</paragraph>
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<paragraph pageId="0" pageNumber="231">
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<emphasis bold="true" pageId="0" pageNumber="231">
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<emphasis italics="true" pageId="0" pageNumber="231">Nymph</emphasis>
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.
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</emphasis>
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Following combination of characters: A) colouration: abdomen dorsally uniform brown; B) scape with well-developed distolateral process; C) labial palp segment II with broad, thumb-like distomedial protuberance; segment III oblong; D) maxillary palp segment II with strong excavation at inner distolateral margin; E) fore femur rather slender, length 3.6
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<normalizedToken originalValue="×">x</normalizedToken>
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maximum width; dorsal margin with 18-27 curved, spine-like setae, and a partial row of spine-like setae near margin; femoral patch absent; F) hind protoptera well developed; G) seven pairs of gills; H) paraproct with 15-20 stout marginal spines.
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</paragraph>
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<caption doi="10.3897/afrinvertebr.62.62029.figure2" httpUri="https://binary.pensoft.net/fig/513249" pageId="0" pageNumber="231" start="Figure 2" startId="F2">
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<paragraph pageId="0" pageNumber="231">
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<emphasis bold="true" pageId="0" pageNumber="231">Figure 2.</emphasis>
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Distribution of
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<taxonomicName authorityName="Novikova & Kluge" authorityYear="1987" class="Insecta" family="Baetidae" genus="Labiobaetis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Labiobaetis" order="Trichoptera" pageId="0" pageNumber="231" phylum="Arthropoda" rank="genus">
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<emphasis italics="true" pageId="0" pageNumber="231">Labiobaetis</emphasis>
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</taxonomicName>
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in Ethiopia.
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</paragraph>
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</caption>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="231" type="description">
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<paragraph pageId="0" pageNumber="231">Description.</paragraph>
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<paragraph pageId="0" pageNumber="231">
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<emphasis bold="true" italics="true" pageId="0" pageNumber="231">Nymph</emphasis>
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(Figs
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<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Labiobaetis excavatus sp. nov., habitus, nymph a dorsal view b ventral view. Scale bars: 1.0 mm." figureDoi="10.3897/afrinvertebr.62.62029.figure3" httpUri="https://binary.pensoft.net/fig/513250" pageId="0" pageNumber="231">3</figureCitation>
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-
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<figureCitation captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Labiobaetis excavatus sp. nov., nymph morphology: a labrum b right mandible c right prostheca d left mandible e left prostheca f hypopharynx and superlinguae g maxilla h apex of maxillary palp (left: dorsal view, right: inner lateral view) i labium j apex of paraglossa. Scale bar: 0.1 mm." figureDoi="10.3897/afrinvertebr.62.62029.figure5" httpUri="https://binary.pensoft.net/fig/513252" pageId="0" pageNumber="231">5</figureCitation>
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). Body length 7.3-8.5 mm. Cerci: ca. 2/3 of body length. Paracercus: ca. 2/3 of cerci length. Antenna: approx. twice as long as head length.
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</paragraph>
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<paragraph pageId="0" pageNumber="231">
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<emphasis italics="true" pageId="0" pageNumber="231">Colouration</emphasis>
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(Fig.
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<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Labiobaetis excavatus sp. nov., habitus, nymph a dorsal view b ventral view. Scale bars: 1.0 mm." figureDoi="10.3897/afrinvertebr.62.62029.figure3" httpUri="https://binary.pensoft.net/fig/513250" pageId="0" pageNumber="231">3a, b</figureCitation>
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). Head, thorax and abdomen dorsally brown, fore protoptera brown. Head, thorax and abdomen ventrally ecru, frons brown. Legs ecru, femora and tarsi apically brown. Caudalii brown.
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</paragraph>
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<caption doi="10.3897/afrinvertebr.62.62029.figure3" httpUri="https://binary.pensoft.net/fig/513250" pageId="0" pageNumber="231" start="Figure 3" startId="F3">
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<paragraph pageId="0" pageNumber="231">
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<emphasis bold="true" pageId="0" pageNumber="231">Figure 3.</emphasis>
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<taxonomicName authorityName="Kaltenbach & Gattolliat" authorityYear="2021" class="Insecta" family="Baetidae" genus="Labiobaetis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Labiobaetis excavatus" order="Trichoptera" pageId="0" pageNumber="231" phylum="Arthropoda" rank="species" species="excavatus">
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<emphasis italics="true" pageId="0" pageNumber="231">Labiobaetis excavatus</emphasis>
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</taxonomicName>
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sp. nov., habitus, nymph
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<emphasis bold="true" pageId="0" pageNumber="231">a</emphasis>
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dorsal view
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<emphasis bold="true" pageId="0" pageNumber="231">b</emphasis>
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ventral view. Scale bars: 1.0 mm.
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</paragraph>
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</caption>
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<paragraph pageId="0" pageNumber="231">
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<emphasis italics="true" pageId="0" pageNumber="231">Antenna</emphasis>
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(Fig.
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<figureCitation captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Labiobaetis excavatus sp. nov., nymph morphology a foreleg b fore claw c tergum IV d gill IV e margin of gill IV f paraproct g antennal scape h metanotum. Scale bars: 0.1 mm." figureDoi="10.3897/afrinvertebr.62.62029.figure4" httpUri="https://binary.pensoft.net/fig/513251" pageId="0" pageNumber="231">4g</figureCitation>
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) with scape and pedicel subcylindrical, with well-developed distolateral process at scape.
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</paragraph>
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<caption doi="10.3897/afrinvertebr.62.62029.figure4" httpUri="https://binary.pensoft.net/fig/513251" pageId="0" pageNumber="231" start="Figure 4" startId="F4">
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<paragraph pageId="0" pageNumber="231">
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<emphasis bold="true" pageId="0" pageNumber="231">Figure 4.</emphasis>
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<taxonomicName authorityName="Kaltenbach & Gattolliat" authorityYear="2021" class="Insecta" family="Baetidae" genus="Labiobaetis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Labiobaetis excavatus" order="Trichoptera" pageId="0" pageNumber="231" phylum="Arthropoda" rank="species" species="excavatus">
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<emphasis italics="true" pageId="0" pageNumber="231">Labiobaetis excavatus</emphasis>
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</taxonomicName>
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sp. nov., nymph morphology
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<emphasis bold="true" pageId="0" pageNumber="231">a</emphasis>
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foreleg
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<emphasis bold="true" pageId="0" pageNumber="231">b</emphasis>
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fore claw
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<emphasis bold="true" pageId="0" pageNumber="231">c</emphasis>
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tergum IV
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<emphasis bold="true" pageId="0" pageNumber="231">d</emphasis>
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gill IV
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<emphasis bold="true" pageId="0" pageNumber="231">e</emphasis>
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margin of gill IV
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<emphasis bold="true" pageId="0" pageNumber="231">f</emphasis>
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paraproct
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<emphasis bold="true" pageId="0" pageNumber="231">g</emphasis>
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antennal scape
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<emphasis bold="true" pageId="0" pageNumber="231">h</emphasis>
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metanotum. Scale bars: 0.1 mm.
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</paragraph>
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</caption>
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<paragraph pageId="0" pageNumber="231">
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<emphasis italics="true" pageId="0" pageNumber="231">Labrum</emphasis>
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(Fig.
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<figureCitation captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Labiobaetis excavatus sp. nov., nymph morphology: a labrum b right mandible c right prostheca d left mandible e left prostheca f hypopharynx and superlinguae g maxilla h apex of maxillary palp (left: dorsal view, right: inner lateral view) i labium j apex of paraglossa. Scale bar: 0.1 mm." figureDoi="10.3897/afrinvertebr.62.62029.figure5" httpUri="https://binary.pensoft.net/fig/513252" pageId="0" pageNumber="231">5a</figureCitation>
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). Subrectangular, length 0.7
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<normalizedToken originalValue="×">x</normalizedToken>
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maximum width. Distal margin with medial emargination and small process. Dorsally with medium, fine, simple setae scattered over surface; submarginal arc of setae composed of one plus ca. 17 long, feathered setae. Ventrally with marginal row of setae composed of lateral and anterolateral long, feathered setae and medial long, bifid setae; ventral surface with ca. nine short, spine-like setae near lateral and anterolateral margin.
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</paragraph>
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<caption doi="10.3897/afrinvertebr.62.62029.figure5" httpUri="https://binary.pensoft.net/fig/513252" pageId="0" pageNumber="231" start="Figure 5" startId="F5">
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<paragraph pageId="0" pageNumber="231">
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<emphasis bold="true" pageId="0" pageNumber="231">Figure 5.</emphasis>
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<taxonomicName authorityName="Kaltenbach & Gattolliat" authorityYear="2021" class="Insecta" family="Baetidae" genus="Labiobaetis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Labiobaetis excavatus" order="Trichoptera" pageId="0" pageNumber="231" phylum="Arthropoda" rank="species" species="excavatus">
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<emphasis italics="true" pageId="0" pageNumber="231">Labiobaetis excavatus</emphasis>
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</taxonomicName>
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sp. nov., nymph morphology:
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<emphasis bold="true" pageId="0" pageNumber="231">a</emphasis>
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labrum
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<emphasis bold="true" pageId="0" pageNumber="231">b</emphasis>
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right mandible
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<emphasis bold="true" pageId="0" pageNumber="231">c</emphasis>
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right prostheca
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<emphasis bold="true" pageId="0" pageNumber="231">d</emphasis>
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left mandible
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<emphasis bold="true" pageId="0" pageNumber="231">e</emphasis>
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left prostheca
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<emphasis bold="true" pageId="0" pageNumber="231">f</emphasis>
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hypopharynx and superlinguae
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<emphasis bold="true" pageId="0" pageNumber="231">g</emphasis>
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maxilla
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<emphasis bold="true" pageId="0" pageNumber="231">h</emphasis>
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apex of maxillary palp (left: dorsal view, right: inner lateral view)
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<emphasis bold="true" pageId="0" pageNumber="231">i</emphasis>
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labium
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<emphasis bold="true" pageId="0" pageNumber="231">j</emphasis>
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apex of paraglossa. Scale bar: 0.1 mm.
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</paragraph>
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</caption>
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<paragraph pageId="0" pageNumber="231">
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<emphasis italics="true" pageId="0" pageNumber="231">Right mandible</emphasis>
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(Fig.
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<figureCitation captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Labiobaetis excavatus sp. nov., nymph morphology: a labrum b right mandible c right prostheca d left mandible e left prostheca f hypopharynx and superlinguae g maxilla h apex of maxillary palp (left: dorsal view, right: inner lateral view) i labium j apex of paraglossa. Scale bar: 0.1 mm." figureDoi="10.3897/afrinvertebr.62.62029.figure5" httpUri="https://binary.pensoft.net/fig/513252" pageId="0" pageNumber="231">5b, c</figureCitation>
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). Incisor and kinetodontium fused. Incisor with four denticles; kinetodontium with three denticles, inner margin of innermost denticle with row of thin setae. Prostheca robust, apically denticulate. Margin between prostheca and mola slightly convex. Tuft of setae at apex of mola present.
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</paragraph>
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<paragraph pageId="0" pageNumber="231">
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<emphasis italics="true" pageId="0" pageNumber="231">Left mandible</emphasis>
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(Fig.
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<figureCitation captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Labiobaetis excavatus sp. nov., nymph morphology: a labrum b right mandible c right prostheca d left mandible e left prostheca f hypopharynx and superlinguae g maxilla h apex of maxillary palp (left: dorsal view, right: inner lateral view) i labium j apex of paraglossa. Scale bar: 0.1 mm." figureDoi="10.3897/afrinvertebr.62.62029.figure5" httpUri="https://binary.pensoft.net/fig/513252" pageId="0" pageNumber="231">5d, e</figureCitation>
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). Incisor and kinetodontium fused. Incisor with four denticles; kinetodontium with three denticles. Prostheca robust, apically with small denticles and comb-shaped structure. Margin between prostheca and mola slightly convex, with minute denticles towards subtriangular process. Subtriangular process long and slender, above level of area between prostheca and mola. Denticles of mola apically constricted. Tuft of setae at apex of mola absent.
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</paragraph>
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<paragraph pageId="0" pageNumber="231">Both mandibles with lateral margins almost straight. Basal half with fine, simple setae scattered over dorsal surface.</paragraph>
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<paragraph pageId="0" pageNumber="231">
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<emphasis italics="true" pageId="0" pageNumber="231">Hypopharynx and superlinguae</emphasis>
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(Fig.
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<figureCitation captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Labiobaetis excavatus sp. nov., nymph morphology: a labrum b right mandible c right prostheca d left mandible e left prostheca f hypopharynx and superlinguae g maxilla h apex of maxillary palp (left: dorsal view, right: inner lateral view) i labium j apex of paraglossa. Scale bar: 0.1 mm." figureDoi="10.3897/afrinvertebr.62.62029.figure5" httpUri="https://binary.pensoft.net/fig/513252" pageId="0" pageNumber="231">5f</figureCitation>
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). Lingua longer than superlinguae. Lingua longer than broad; medial tuft of stout setae well developed, short; distal half laterally not expanded. Superlinguae distally rounded; lateral margins rounded; fine, long, simple setae along distal margin.
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</paragraph>
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<paragraph pageId="0" pageNumber="231">
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<emphasis italics="true" pageId="0" pageNumber="231">Maxilla</emphasis>
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(Fig.
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<figureCitation captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Labiobaetis excavatus sp. nov., nymph morphology: a labrum b right mandible c right prostheca d left mandible e left prostheca f hypopharynx and superlinguae g maxilla h apex of maxillary palp (left: dorsal view, right: inner lateral view) i labium j apex of paraglossa. Scale bar: 0.1 mm." figureDoi="10.3897/afrinvertebr.62.62029.figure5" httpUri="https://binary.pensoft.net/fig/513252" pageId="0" pageNumber="231">5g, h</figureCitation>
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). Galea-lacinia ventrally with two simple, apical setae under canines. Inner dorsal row of setae with three denti-setae, distal denti-seta tooth-like, middle and proximal denti-setae slender, bifid and pectinate. Medially with one pectinate, spine-like seta and six simple setae increasing in length distally. Maxillary palp slightly longer than length of galea-lacinia; 2-segmented; palp segment II 1.4
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<normalizedToken originalValue="×">x</normalizedToken>
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length of segment I; setae on maxillary palp fine, simple, scattered over surface of segments I and II; apex of last segment rounded, with strong excavation at inner distolateral margin.
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</paragraph>
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<paragraph pageId="0" pageNumber="231">
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<emphasis italics="true" pageId="0" pageNumber="231">Labium</emphasis>
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(Fig.
|
||
<figureCitation captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Labiobaetis excavatus sp. nov., nymph morphology: a labrum b right mandible c right prostheca d left mandible e left prostheca f hypopharynx and superlinguae g maxilla h apex of maxillary palp (left: dorsal view, right: inner lateral view) i labium j apex of paraglossa. Scale bar: 0.1 mm." figureDoi="10.3897/afrinvertebr.62.62029.figure5" httpUri="https://binary.pensoft.net/fig/513252" pageId="0" pageNumber="231">5i, j</figureCitation>
|
||
). Glossa basally broad, narrowing toward apex; shorter than paraglossa; inner margin with ca. seven spine-like setae, distalmost seta much longer than other setae; apex with one long, one medium and one short, robust seta; outer margin with 5-7 spine-like setae increasing in length distally; ventral surface with fine, simple, scattered setae. Paraglossa sub-rectangular, curved inward; apex rounded; with three rows of long, robust, distally pectinate setae in apical area and three or four medium, simple setae in anteromedial area; dorsally with row of five long, spine-like, simple setae near inner margin. Labial palp with segment I 0.7
|
||
<normalizedToken originalValue="×">x</normalizedToken>
|
||
length of segments II and III combined. Segment I ventrally with short, fine, simple setae. Segment II with broad thumb-like distomedial protuberance; distomedial protuberance 0.9
|
||
<normalizedToken originalValue="×">x</normalizedToken>
|
||
width of base of segment III; ventral surface with short, fine, simple setae; dorsally with two or three long, spine-like setae near outer margin. Segment III oblong; apex slightly pointed; length 1.2
|
||
<normalizedToken originalValue="×">x</normalizedToken>
|
||
width; ventrally covered with short, spine-like, simple setae and short, fine, simple setae.
|
||
</paragraph>
|
||
<paragraph pageId="0" pageNumber="231">
|
||
<emphasis italics="true" pageId="0" pageNumber="231">Hind protoptera</emphasis>
|
||
(Fig.
|
||
<figureCitation captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Labiobaetis excavatus sp. nov., nymph morphology a foreleg b fore claw c tergum IV d gill IV e margin of gill IV f paraproct g antennal scape h metanotum. Scale bars: 0.1 mm." figureDoi="10.3897/afrinvertebr.62.62029.figure4" httpUri="https://binary.pensoft.net/fig/513251" pageId="0" pageNumber="231">4h</figureCitation>
|
||
) well developed.
|
||
</paragraph>
|
||
<paragraph pageId="0" pageNumber="231">
|
||
<emphasis italics="true" pageId="0" pageNumber="231">Foreleg</emphasis>
|
||
(Fig.
|
||
<figureCitation captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Labiobaetis excavatus sp. nov., nymph morphology a foreleg b fore claw c tergum IV d gill IV e margin of gill IV f paraproct g antennal scape h metanotum. Scale bars: 0.1 mm." figureDoi="10.3897/afrinvertebr.62.62029.figure4" httpUri="https://binary.pensoft.net/fig/513251" pageId="0" pageNumber="231">4a, b</figureCitation>
|
||
). Ratio of foreleg segments 1.1:1.0:0.4:0.1.
|
||
<emphasis italics="true" pageId="0" pageNumber="231">Femur</emphasis>
|
||
. Length 3.6
|
||
<normalizedToken originalValue="×">x</normalizedToken>
|
||
maximum width. Dorsal margin with 18-27 curved, spine-like setae and partial second row near margin in basal area; length of setae 0.14
|
||
<normalizedToken originalValue="×">x</normalizedToken>
|
||
maximum width of femur. Apex rounded, with pair of spine-like setae and some short, stout setae. Many stout, lanceolate setae scattered along ventral margin; femoral patch absent.
|
||
<emphasis italics="true" pageId="0" pageNumber="231">Tibia</emphasis>
|
||
. Dorsal margin with row of short, stout setae and fine simple setae, and row of short, stout setae near margin. Ventral margin with row of short, curved, spine-like setae, distally of patellotibial suture one longer, curved, spine-like seta, on apex some longer setae and tuft of fine, simple setae. Anterior surface scattered with stout, lanceolate setae. Patellotibial suture present on basal half area.
|
||
<emphasis italics="true" pageId="0" pageNumber="231">Tarsus</emphasis>
|
||
. Dorsal margin with row of short, stout setae and fine, simple setae. Ventral margin with row of curved, spine-like setae. Claw with one row of 10-13 denticles; distally pointed; with ca. five stripes; subapical setae absent.
|
||
</paragraph>
|
||
<paragraph pageId="0" pageNumber="231">
|
||
<emphasis italics="true" pageId="0" pageNumber="231">Terga</emphasis>
|
||
(Fig.
|
||
<figureCitation captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Labiobaetis excavatus sp. nov., nymph morphology a foreleg b fore claw c tergum IV d gill IV e margin of gill IV f paraproct g antennal scape h metanotum. Scale bars: 0.1 mm." figureDoi="10.3897/afrinvertebr.62.62029.figure4" httpUri="https://binary.pensoft.net/fig/513251" pageId="0" pageNumber="231">4c</figureCitation>
|
||
). Surface with irregular rows of U-shaped scale bases and scattered fine, simple setae. Posterior margin of tergum IV with triangular spines, ca. as long as wide.
|
||
</paragraph>
|
||
<paragraph pageId="0" pageNumber="231">
|
||
<emphasis italics="true" pageId="0" pageNumber="231">Gills</emphasis>
|
||
(Fig.
|
||
<figureCitation captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Labiobaetis excavatus sp. nov., nymph morphology a foreleg b fore claw c tergum IV d gill IV e margin of gill IV f paraproct g antennal scape h metanotum. Scale bars: 0.1 mm." figureDoi="10.3897/afrinvertebr.62.62029.figure4" httpUri="https://binary.pensoft.net/fig/513251" pageId="0" pageNumber="231">4d, e</figureCitation>
|
||
). Present on segments I-VII. Margin with small denticles intercalating fine simple setae. Tracheae extending from main trunk to inner and outer margins. Gill I ca. 2/3 length of segment II; gill IV as long as length of segments V and half VI combined; gill VII slightly longer than length of segment VIII.
|
||
</paragraph>
|
||
<paragraph pageId="0" pageNumber="231">
|
||
<emphasis italics="true" pageId="0" pageNumber="231">Paraproct</emphasis>
|
||
(Fig.
|
||
<figureCitation captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Labiobaetis excavatus sp. nov., nymph morphology a foreleg b fore claw c tergum IV d gill IV e margin of gill IV f paraproct g antennal scape h metanotum. Scale bars: 0.1 mm." figureDoi="10.3897/afrinvertebr.62.62029.figure4" httpUri="https://binary.pensoft.net/fig/513251" pageId="0" pageNumber="231">4f</figureCitation>
|
||
). Distally not expanded, with 15-20 stout, marginal spines. Surface scattered with U-shaped scale bases, fine, simple setae and micropores. Cercotractor with small, marginal spines, partly split at apex.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="0" pageNumber="231" type="etymology">
|
||
<paragraph pageId="0" pageNumber="231">Etymology.</paragraph>
|
||
<paragraph pageId="0" pageNumber="231">Referring to the strongly developed excavation at inner, distolateral margin of maxillary palp segment II.</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="0" pageNumber="231" type="biological aspects">
|
||
<paragraph pageId="0" pageNumber="231">Biological aspects.</paragraph>
|
||
<paragraph pageId="0" pageNumber="231">
|
||
The specimens were collected at an altitude of 2400 m in relatively cold water (15.9 °C; see
|
||
<bibRefCitation DOI="https://doi.org/10.1007/s10750-020-04400-0" author="Englmaier, GK" journalOrPublisher="Hydrobiologia" pageId="0" pageNumber="231" pagination="4063 - 4090" refId="B11" refString="Englmaier, GK, Hayes, DS, Meulenbroek, P, Terefe, Y, Lakew, A, Tesfaye, G, Waidbacher, H, Malicky, H, Wubie, A, Leitner, P, Graf, W, 2020. Longitudinal river zonation in the tropics: Examples of fish and caddisflies from the endorheic Awash River, Ethiopia. Hydrobiologia 847 (19): 4063 - 4090, DOI: https://doi.org/10.1007/s10750-020-04400-0" title="Longitudinal river zonation in the tropics: Examples of fish and caddisflies from the endorheic Awash River, Ethiopia." url="https://doi.org/10.1007/s10750-020-04400-0" volume="847" year="2020">Englmaier et al. 2020</bibRefCitation>
|
||
: table 1). The sampling site lies in a protected area (S1, National Forest Priority Area), unlike all other sampling sites in this study (
|
||
<bibRefCitation DOI="https://doi.org/10.1007/s10750-020-04400-0" author="Englmaier, GK" journalOrPublisher="Hydrobiologia" pageId="0" pageNumber="231" pagination="4063 - 4090" refId="B11" refString="Englmaier, GK, Hayes, DS, Meulenbroek, P, Terefe, Y, Lakew, A, Tesfaye, G, Waidbacher, H, Malicky, H, Wubie, A, Leitner, P, Graf, W, 2020. Longitudinal river zonation in the tropics: Examples of fish and caddisflies from the endorheic Awash River, Ethiopia. Hydrobiologia 847 (19): 4063 - 4090, DOI: https://doi.org/10.1007/s10750-020-04400-0" title="Longitudinal river zonation in the tropics: Examples of fish and caddisflies from the endorheic Awash River, Ethiopia." url="https://doi.org/10.1007/s10750-020-04400-0" volume="847" year="2020">Englmaier et al. 2020</bibRefCitation>
|
||
).
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="0" pageNumber="231" type="distribution">
|
||
<paragraph pageId="0" pageNumber="231">Distribution.</paragraph>
|
||
<paragraph pageId="0" pageNumber="231">
|
||
Ethiopia (Fig.
|
||
<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Distribution of Labiobaetis in Ethiopia." figureDoi="10.3897/afrinvertebr.62.62029.figure2" httpUri="https://binary.pensoft.net/fig/513249" pageId="0" pageNumber="231">2a</figureCitation>
|
||
).
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="0" pageNumber="231" type="type material">
|
||
<paragraph pageId="0" pageNumber="231">Type-material.</paragraph>
|
||
<paragraph pageId="0" pageNumber="231">
|
||
<materialsCitation collectingDate="2021-01-01" collectingDateMax="2021-12-31" collectingDateMin="2021-01-01" collectionCode="GBIFCH" collectorName="W. Graf" country="Ethiopia" elevation="0" latitude="9.066944" location="Chilimo Forest" longLatPrecision="21" longitude="38.135834" municipality="Upper Awash River" specimenCode="GBIFCH00592380" specimenCount="1" typeStatus="holotype">
|
||
<emphasis bold="true" pageId="0" pageNumber="231">
|
||
<emphasis italics="true" pageId="0" pageNumber="231">
|
||
<typeStatus>Holotype</typeStatus>
|
||
</emphasis>
|
||
.
|
||
</emphasis>
|
||
<collectingCountry name="Ethiopia" value="Ethiopia">Ethiopia</collectingCountry>
|
||
•
|
||
<specimenCount>nymph</specimenCount>
|
||
;
|
||
<collectingMunicipality>Upper Awash River</collectingMunicipality>
|
||
,
|
||
<location LSID="urn:lsid:plazi:treatment:1A61B5785C38540196BCABB04F8CF39B:AF072BFDDEDBDA35D314E60222C1CF30" country="Ethiopia" latitude="9.066944" longLatPrecision="21" longitude="38.135834" municipality="Upper Awash River" name="Chilimo Forest">Chilimo Forest</location>
|
||
;
|
||
<geoCoordinate degrees="09" direction="north" minutes="04" orientation="latitude" precision="15" seconds="01" value="9.066944">09°04'01"N</geoCoordinate>
|
||
,
|
||
<geoCoordinate degrees="38" direction="east" minutes="08" orientation="longitude" precision="15" seconds="09" value="38.135834">38°08'09"E</geoCoordinate>
|
||
;
|
||
<elevation>2390 m</elevation>
|
||
;
|
||
<collectingDate>06.11.2017</collectingDate>
|
||
; leg.
|
||
<collectorName>W. Graf</collectorName>
|
||
; on slide;
|
||
<specimenCode>GBIFCH00592380</specimenCode>
|
||
; MZL.
|
||
</materialsCitation>
|
||
<materialsCitation collectingDate="2021-01-01" collectingDateMax="2021-12-31" collectingDateMin="2021-01-01" collectionCode="MZL" collectorName="W. Graf" country="Ethiopia" elevation="0" latitude="9.066944" location="Ethiopia" longLatPrecision="21" longitude="38.135834" municipality="Upper Awash River" specimenCode="GBIFCH00763725, GBIFCH00674636, GBIFCH00592390, GBIFCH00592423, GBIFCH00515502, GBIFCH00515552" specimenCount="9" typeStatus="paratype">
|
||
<emphasis bold="true" pageId="0" pageNumber="231">
|
||
<emphasis italics="true" pageId="0" pageNumber="231">
|
||
<typeStatus>Paratypes</typeStatus>
|
||
</emphasis>
|
||
.
|
||
</emphasis>
|
||
<collectingCountry name="Ethiopia" value="Ethiopia">Ethiopia</collectingCountry>
|
||
•
|
||
<specimenCount>9 nymphs</specimenCount>
|
||
; same data as holotype; 4 on slides; GenBank
|
||
<accessionNumber>MW307229</accessionNumber>
|
||
,
|
||
<accessionNumber>MW307228</accessionNumber>
|
||
;
|
||
<specimenCode>GBIFCH00763725</specimenCode>
|
||
,
|
||
<specimenCode>GBIFCH00674636</specimenCode>
|
||
,
|
||
<specimenCode>GBIFCH00592390</specimenCode>
|
||
,
|
||
<specimenCode>GBIFCH00592423</specimenCode>
|
||
; MZL; 5 in alcohol;
|
||
<specimenCode>GBIFCH00515502</specimenCode>
|
||
,
|
||
<specimenCode>GBIFCH00515552</specimenCode>
|
||
;
|
||
<collectionCode>MZL</collectionCode>
|
||
</materialsCitation>
|
||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |