271 lines
27 KiB
XML
271 lines
27 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/zookeys.985.56649" ID-GBIF-Dataset="7ece770a-8e5c-4b23-bf12-00002942e7eb" ID-PMC="PMC7661481" ID-Pensoft-Pub="1313-2970-985-15" ID-Pensoft-UUID="73D2519FDF685BD3AD8ABF5278E96AF2" ID-PubMed="33223873" ID-ZooBank="828AE6A53362486B85F5CE1074237440" ModsDocID="1313-2970-985-15" checkinTime="1604647796885" checkinUser="pensoft" docAuthor="Barber-James, Helen M., Zrelli, Sonia, Yanai, Zohar & Sartori, Michel" docDate="2020" docId="2943C59E1D655DAA913C218785B2B626" docLanguage="en" docName="ZooKeys 985: 15-47" docOrigin="ZooKeys 985" docSource="http://dx.doi.org/10.3897/zookeys.985.56649" docTitle="Oligoneuriopsis dobbsi" docType="treatment" docVersion="4" id="73D2519FDF685BD3AD8ABF5278E96AF2" lastPageNumber="15" masterDocId="73D2519FDF685BD3AD8ABF5278E96AF2" masterDocTitle="A reassessment of the genus Oligoneuriopsis Crass, 1947 (Ephemeroptera, Oligoneuriidae, Oligoneuriellini)" masterLastPageNumber="47" masterPageNumber="15" pageNumber="15" updateTime="1668169756141" 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>A reassessment of the genus Oligoneuriopsis Crass, 1947 (Ephemeroptera, Oligoneuriidae, Oligoneuriellini)</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>Barber-James, Helen M.</mods:namePart>
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<mods:affiliation>Department of Freshwater Invertebrates, Albany Museum, Somerset Street, Makhanda (Grahamstown), 6139, South Africa & Department of Zoology and Entomology, Rhodes University, P. O. Box 94, Makhanda (Grahamstown), 6140, South Africa</mods:affiliation>
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<mods:nameIdentifier type="orcid">https://orcid.org/0000-0002-1029-9275</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>Zrelli, Sonia</mods:namePart>
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<mods:affiliation>Unit of Hydrobiology, Laboratory of Environmental Biomonitoring, Faculty of sciences of Bizerta, 7021, Jarzouna, Tunisia</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>Yanai, Zohar</mods:namePart>
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<mods:affiliation>Musee cantonal de zoologie, Palais de Rumine, Place de la Riponne 6, CH- 1014, Lausanne, Switzerland & Department of Ecology and Evolution, Biophore, University of Lausanne, CH- 1015, Lausanne, Switzerland & School of Zoology, Tel Aviv University, Tel Aviv 6997801, Israel & The Steinhardt Museum of Natural History, Tel Aviv University, Tel Aviv 6997801, Israel</mods:affiliation>
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<mods:nameIdentifier type="orcid">https://orcid.org/0000-0001-6440-0116</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>Sartori, Michel</mods:namePart>
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<mods:affiliation>Musee cantonal de zoologie, Palais de Rumine, Place de la Riponne 6, CH- 1014, Lausanne, Switzerland & Department of Ecology and Evolution, Biophore, University of Lausanne, CH- 1015, Lausanne, Switzerland</mods:affiliation>
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<mods:nameIdentifier type="orcid">https://orcid.org/0000-0003-3397-3397</mods:nameIdentifier>
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<mods:nameIdentifier type="email">michel.sartori@vd.ch</mods:nameIdentifier>
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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>2020</mods:date>
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<mods:detail type="volume">
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<mods:number>985</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>15</mods:start>
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<mods:end>47</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.985.56649</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.985.56649</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1313-2970-985-15</mods:identifier>
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<mods:identifier type="ZooBank">828AE6A53362486B85F5CE1074237440</mods:identifier>
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<mods:identifier type="Pensoft-UUID">73D2519FDF685BD3AD8ABF5278E96AF2</mods:identifier>
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</mods:mods>
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<treatment ID-GBIF-Taxon="168815855" LSID="urn:lsid:plazi:treatment:2943C59E1D655DAA913C218785B2B626" httpUri="http://treatment.plazi.org/id/2943C59E1D655DAA913C218785B2B626" lastPageNumber="15" pageId="0" pageNumber="15">
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<subSubSection pageId="0" pageNumber="15" type="nomenclature">
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<paragraph pageId="0" pageNumber="15">
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<taxonomicName LSID="2943C59E-1D65-5DAA-913C-218785B2B626" authority="(Eaton, 1912)" baseAuthorityName="Eaton" baseAuthorityYear="1912" class="Insecta" family="Oligoneuriidae" genus="Oligoneuriopsis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Oligoneuriopsis dobbsi" order="Ephemeroptera" pageId="0" pageNumber="15" phylum="Arthropoda" rank="species" species="dobbsi">Oligoneuriopsis dobbsi (Eaton, 1912)</taxonomicName>
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<figureCitation captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Oligoneuriopsis dobbsi, male nymph A hind leg B genitalia (sternite IX removed). Black arrows: Apex of the lateral longitudinal lobe of penis. White arrows: Proximal process of penis. Scale bar: 1 mm." figureDoi="10.3897/zookeys.985.56649.figure5" httpUri="https://binary.pensoft.net/fig/471483" pageId="0" pageNumber="15">Figures 5</figureCitation>
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<figureCitation captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. Oligoneuriopsis dobbsi, male nymph A in dorsal view B in ventral view. Scale bar: 5 mm." figureDoi="10.3897/zookeys.985.56649.figure6" httpUri="https://binary.pensoft.net/fig/471484" pageId="0" pageNumber="15">, 6</figureCitation>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="15" type="reference_group">
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<paragraph pageId="0" pageNumber="15">
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<taxonomicName class="Insecta" family="Oligoneuriidae" genus="Oligoneuria" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Oligoneuria dobbsi" order="Ephemeroptera" pageId="0" pageNumber="15" phylum="Arthropoda" rank="species" species="dobbsi">Oligoneuria dobbsi</taxonomicName>
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Eaton, 1912: 243, fig. 1 (female imago).
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</paragraph>
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<paragraph pageId="0" pageNumber="15">
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<taxonomicName class="Insecta" family="Oligoneuriidae" genus="Oligoneuriella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Oligoneuriella dobbsi" order="Ephemeroptera" pageId="0" pageNumber="15" phylum="Arthropoda" rank="species" species="dobbsi">Oligoneuriella dobbsi</taxonomicName>
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: Ulmer, 1924: 32.
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</paragraph>
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<paragraph pageId="0" pageNumber="15">
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<taxonomicName class="Insecta" family="Oligoneuriidae" genus="Oligoneuria" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Oligoneuria" order="Ephemeroptera" pageId="0" pageNumber="15" phylum="Arthropoda" rank="genus">Oligoneuria</taxonomicName>
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sp.:
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<normalizedToken originalValue="Vayssière">Vayssiere</normalizedToken>
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, 1936: 130 (nymph).
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</paragraph>
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<paragraph pageId="0" pageNumber="15">
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<taxonomicName baseAuthorityName="Eaton" baseAuthorityYear="1912" class="Insecta" family="Oligoneuriidae" genus="Oligoneuriopsis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Oligoneuriopsis dobbsi" order="Ephemeroptera" pageId="0" pageNumber="15" phylum="Arthropoda" rank="species" species="dobbsi">Oligoneuriopsis dobbsi</taxonomicName>
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:
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<bibRefCitation DOI="https://doi.org/10.5962/bhl.part.27553" author="Kimmins, DE" journalOrPublisher="Bulletin of the British Museum (Natural History) Entomology" pageId="0" pageNumber="15" pagination="269 - 318" refId="B22" refString="Kimmins, DE, 1960. The Ephemeroptera types of species described by A.E. Eaton, R. McLachlan and F. Walker, with particular reference to those in the British Museum (Natural History). Bulletin of the British Museum (Natural History) Entomology 9: 269 - 318, DOI: https://doi.org/10.5962/bhl.part.27553" title="The Ephemeroptera types of species described by A. E. Eaton, R. McLachlan and F. Walker, with particular reference to those in the British Museum (Natural History)." url="https://doi.org/10.5962/bhl.part.27553" volume="9" year="1960">Kimmins, 1960</bibRefCitation>
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: 276, figs 9, 10 (female and male imagos).
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</paragraph>
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<paragraph pageId="0" pageNumber="15">
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<taxonomicName class="Insecta" family="Oligoneuriidae" genus="Oligoneuriopsis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Oligoneuriopsis grandaeva" order="Ephemeroptera" pageId="0" pageNumber="15" phylum="Arthropoda" rank="species" species="grandaeva">Oligoneuriopsis grandaeva</taxonomicName>
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(
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<normalizedToken originalValue="Navás">Navas</normalizedToken>
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, 1936: 125, fig. 21) (female imago).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="15" type="materials_examined">
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<paragraph pageId="0" pageNumber="15">Material examined.</paragraph>
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<paragraph pageId="0" pageNumber="15">
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Kenya • 28N; Mount Elgon, Teremi upstream;
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<geoCoordinate degrees="0.8973" direction="north" orientation="latitude" precision="5" value="0.8973">0.8973°N</geoCoordinate>
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,
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<geoCoordinate degrees="34.5973" direction="east" orientation="longitude" precision="5" value="34.5973">34.5973°E</geoCoordinate>
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; alt. 2456 m a.s.l.; 13 Oct. 2019; W. Graf leg. • 23N; Mount Elgon, Teremi;
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<geoCoordinate degrees="0.9094" direction="north" orientation="latitude" precision="5" value="0.9094">0.9094°N</geoCoordinate>
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,
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<geoCoordinate degrees="34.5994" direction="east" orientation="longitude" precision="5" value="34.5994">34.5994°E</geoCoordinate>
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; alt. 2407 m a.s.l.; 13 Oct. 2019; W. Graf leg. • 13N; Mount Elgon, Kimurio upstream;
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<geoCoordinate degrees="0.8913" direction="north" orientation="latitude" precision="5" value="0.8913">0.8913°N</geoCoordinate>
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,
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<geoCoordinate degrees="34.5892" direction="east" orientation="longitude" precision="5" value="34.5892">34.5892°E</geoCoordinate>
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, alt. 2239 m a.s.l.; 11 Oct. 2019; W. Graf leg. • 46N (among them 1N - GBIFCH00890747 - sequenced); Mount Elgon, Kimurio tributary 2;
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<geoCoordinate degrees="0.8956" direction="north" orientation="latitude" precision="5" value="0.8956">0.8956°N</geoCoordinate>
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,
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<geoCoordinate degrees="34.5878" direction="east" orientation="longitude" precision="5" value="34.5878">34.5878°E</geoCoordinate>
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; alt. 2347 m a.s.l.; 8 Nov. 2019; W. Graf leg. • 15N; Mount Elgon, Kibisi upstream;
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<geoCoordinate degrees="0.9028" direction="north" orientation="latitude" precision="5" value="0.9028">0.9028°N</geoCoordinate>
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,
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<geoCoordinate degrees="34.6175" direction="east" orientation="longitude" precision="5" value="34.6175">34.6175°E</geoCoordinate>
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; alt. 2298 m a.s.l.; 9 Nov. 2019; W. Graf leg. • 8N; Mount Elgon, Kapkateny upstream;
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<geoCoordinate degrees="0.8959" direction="north" orientation="latitude" precision="5" value="0.8959">0.8959°N</geoCoordinate>
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,
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<geoCoordinate degrees="34.5990" direction="east" orientation="longitude" precision="5" value="34.599">34.5990°E</geoCoordinate>
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; alt. 2293 m a.s.l.; 11 Oct. 2019; W. Graf leg. • 7N; Mount Elgon, Kapkateny midstream;
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<geoCoordinate degrees="0.8325" direction="north" orientation="latitude" precision="5" value="0.8325">0.8325°N</geoCoordinate>
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,
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<geoCoordinate degrees="34.6234" direction="east" orientation="longitude" precision="5" value="34.6234">34.6234°E</geoCoordinate>
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; alt. 1896 m a.s.l.; 12 Oct. 2019; W. Graf leg. • 2N; Mount Elgon, Kapkateny downstream;
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<geoCoordinate degrees="0.8144" direction="north" orientation="latitude" precision="5" value="0.8144">0.8144°N</geoCoordinate>
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,
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<geoCoordinate degrees="34.6243" direction="east" orientation="longitude" precision="5" value="34.6243">34.6243°E</geoCoordinate>
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; alt. 1660 m a.s.l.; 14 Oct. 2019; W. Graf leg.; all MZL.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="15" type="male imago">
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<paragraph pageId="0" pageNumber="15">Male imago.</paragraph>
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<paragraph pageId="0" pageNumber="15">
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As redescribed by
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<bibRefCitation DOI="https://doi.org/10.5962/bhl.part.27553" author="Kimmins, DE" journalOrPublisher="Bulletin of the British Museum (Natural History) Entomology" pageId="0" pageNumber="15" pagination="269 - 318" refId="B22" refString="Kimmins, DE, 1960. The Ephemeroptera types of species described by A.E. Eaton, R. McLachlan and F. Walker, with particular reference to those in the British Museum (Natural History). Bulletin of the British Museum (Natural History) Entomology 9: 269 - 318, DOI: https://doi.org/10.5962/bhl.part.27553" title="The Ephemeroptera types of species described by A. E. Eaton, R. McLachlan and F. Walker, with particular reference to those in the British Museum (Natural History)." url="https://doi.org/10.5962/bhl.part.27553" volume="9" year="1960">Kimmins (1960)</bibRefCitation>
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, with the following complement extracted from mature male nymphs: penis lobes with characteristic sclerotized proximal process ending in a simple projection; apex of the lateral longitudinal lobe of penis in a small club-shaped sclerite ca. 1.5
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<normalizedToken originalValue="×">x</normalizedToken>
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larger than the lateral lobe (Fig.
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<figureCitation captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Oligoneuriopsis dobbsi, male nymph A hind leg B genitalia (sternite IX removed). Black arrows: Apex of the lateral longitudinal lobe of penis. White arrows: Proximal process of penis. Scale bar: 1 mm." figureDoi="10.3897/zookeys.985.56649.figure5" httpUri="https://binary.pensoft.net/fig/471483" pageId="0" pageNumber="15">5B</figureCitation>
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).
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</paragraph>
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<caption doi="10.3897/zookeys.985.56649.figure5" httpUri="https://binary.pensoft.net/fig/471483" pageId="0" pageNumber="15" start="Figure 5" startId="F5">
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<paragraph pageId="0" pageNumber="15">
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<emphasis bold="true" pageId="0" pageNumber="15">Figure 5.</emphasis>
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<taxonomicName baseAuthorityName="Eaton" baseAuthorityYear="1912" class="Insecta" family="Oligoneuriidae" genus="Oligoneuriopsis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Oligoneuriopsis dobbsi" order="Ephemeroptera" pageId="0" pageNumber="15" phylum="Arthropoda" rank="species" species="dobbsi">
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<emphasis italics="true" pageId="0" pageNumber="15">Oligoneuriopsis dobbsi</emphasis>
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</taxonomicName>
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, male nymph
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<emphasis bold="true" pageId="0" pageNumber="15">A</emphasis>
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hind leg
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<emphasis bold="true" pageId="0" pageNumber="15">B</emphasis>
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genitalia (sternite IX removed). Black arrows: Apex of the lateral longitudinal lobe of penis. White arrows: Proximal process of penis. Scale bar: 1 mm.
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</paragraph>
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</caption>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="15" type="nymph">
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<paragraph pageId="0" pageNumber="15">Nymph.</paragraph>
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<paragraph pageId="0" pageNumber="15">Lengths. Body up to 17 mm and 25 mm in male and female nymphs respectively; cerci (and caudal filament) up to 10 mm and 11 mm in male and female nymphs, respectively.</paragraph>
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<paragraph pageId="0" pageNumber="15">
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General colouration medium to dark brown, in general darker in mature nymphs than in immature ones (Fig.
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<figureCitation captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. Oligoneuriopsis dobbsi, male nymph A in dorsal view B in ventral view. Scale bar: 5 mm." figureDoi="10.3897/zookeys.985.56649.figure6" httpUri="https://binary.pensoft.net/fig/471484" pageId="0" pageNumber="15">6A</figureCitation>
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). Head dark brown, with four lighter maculations between the compound eyes, and a black marking present on the frons between the ocelli; generally also with a rounded light maculation between antennae. Ventrally, head a uniform light brown colour. Gills at base of maxillae forming a
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<normalizedToken originalValue="“beard”">"beard"</normalizedToken>
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ventrally at base of head, much paler in colour relative to head capsule (Fig.
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<figureCitation captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. Oligoneuriopsis dobbsi, male nymph A in dorsal view B in ventral view. Scale bar: 5 mm." figureDoi="10.3897/zookeys.985.56649.figure6" httpUri="https://binary.pensoft.net/fig/471484" pageId="0" pageNumber="15">6B</figureCitation>
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). Pro- and mesonotum dark brown, with lighter maculae laterally and medially. Legs light to medium brown, femoro-tibial articulation with a blackish spot. Femur and tibia of foreleg shorter than those of mid or hind leg, fore tibia longer than fore femur; on mid- and hind legs, femora and tibiae subequal in length. Setae on the outer margin of mid and hind femora well developed, slightly decreasing in size and reaching the apex (Fig.
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<figureCitation captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Oligoneuriopsis dobbsi, male nymph A hind leg B genitalia (sternite IX removed). Black arrows: Apex of the lateral longitudinal lobe of penis. White arrows: Proximal process of penis. Scale bar: 1 mm." figureDoi="10.3897/zookeys.985.56649.figure5" httpUri="https://binary.pensoft.net/fig/471483" pageId="0" pageNumber="15">5A</figureCitation>
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). Tibiae and tarsi with long, even fringe of setae along entire dorsal margin. Abdominal tergites uniformly dark brown, each with a pair of light spots in the middle, except tergite X which bears four light spots in proximal part. Sternites medium brown, laterally dark brown, with two small pale median markings, especially visible on sternites IV to VIII. Dense patch of posteriorly orientated setae ventromedially moderately developed on abdominal sternite II, well-developed on sternites III-V, absent from other segments. Gills III-VII almost subequal in size, more than
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<normalizedToken originalValue="¾">3/4</normalizedToken>
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of the corresponding segment, gill II smaller, ca. 1/2 the size. On all gills except for gill I, fibrillae shorter than lamella length. Lamella of gill I a little bit shorter than the length of the fibrillar portion. Lamellae II-VII with long and thin setae on their distal inner margin. Posterolateral spines of the abdomen absent of segments I and II, then increasing in size from segment III to IX, those of this last one being ca.
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<normalizedToken originalValue="¼">1/4</normalizedToken>
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the length of the segment.
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</paragraph>
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||
<caption doi="10.3897/zookeys.985.56649.figure6" httpUri="https://binary.pensoft.net/fig/471484" pageId="0" pageNumber="15" start="Figure 6" startId="F6">
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<paragraph pageId="0" pageNumber="15">
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<emphasis bold="true" pageId="0" pageNumber="15">Figure 6.</emphasis>
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<taxonomicName baseAuthorityName="Eaton" baseAuthorityYear="1912" class="Insecta" family="Oligoneuriidae" genus="Oligoneuriopsis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Oligoneuriopsis dobbsi" order="Ephemeroptera" pageId="0" pageNumber="15" phylum="Arthropoda" rank="species" species="dobbsi">
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<emphasis italics="true" pageId="0" pageNumber="15">Oligoneuriopsis dobbsi</emphasis>
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</taxonomicName>
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, male nymph
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<emphasis bold="true" pageId="0" pageNumber="15">A</emphasis>
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in dorsal view
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<emphasis bold="true" pageId="0" pageNumber="15">B</emphasis>
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in ventral view. Scale bar: 5 mm.
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</paragraph>
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</caption>
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<paragraph pageId="0" pageNumber="15">Cerci uniformly medium brown, caudal filament paler brown towards apex.</paragraph>
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</subSubSection>
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||
<subSubSection pageId="0" pageNumber="15" type="affinities">
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<paragraph pageId="0" pageNumber="15">Affinities.</paragraph>
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<paragraph pageId="0" pageNumber="15">
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||
<taxonomicName baseAuthorityName="Eaton" baseAuthorityYear="1912" class="Insecta" family="Oligoneuriidae" genus="Oligoneuriopsis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Oligoneuriopsis dobbsi" order="Ephemeroptera" pageId="0" pageNumber="15" phylum="Arthropoda" rank="species" species="dobbsi">
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<emphasis italics="true" pageId="0" pageNumber="15">Oligoneuriopsis dobbsi</emphasis>
|
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</taxonomicName>
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male imago seems to be closely related to
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<taxonomicName lsidName="O. lawrencei" pageId="0" pageNumber="15" rank="species" species="lawrencei">
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<emphasis italics="true" pageId="0" pageNumber="15">O. lawrencei</emphasis>
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</taxonomicName>
|
||
from which it differs by the presence of crossveins in the proximal part of the subcostal area (see
|
||
<bibRefCitation DOI="https://doi.org/10.5962/bhl.part.27553" author="Kimmins, DE" journalOrPublisher="Bulletin of the British Museum (Natural History) Entomology" pageId="0" pageNumber="15" pagination="269 - 318" refId="B22" refString="Kimmins, DE, 1960. The Ephemeroptera types of species described by A.E. Eaton, R. McLachlan and F. Walker, with particular reference to those in the British Museum (Natural History). Bulletin of the British Museum (Natural History) Entomology 9: 269 - 318, DOI: https://doi.org/10.5962/bhl.part.27553" title="The Ephemeroptera types of species described by A. E. Eaton, R. McLachlan and F. Walker, with particular reference to those in the British Museum (Natural History)." url="https://doi.org/10.5962/bhl.part.27553" volume="9" year="1960">Kimmins 1960</bibRefCitation>
|
||
, fig. 9), as well as by the shape of the proximal process of the penis sclerite which is shorter and less pointed than in
|
||
<taxonomicName lsidName="O. lawrencei" pageId="0" pageNumber="15" rank="species" species="lawrencei">
|
||
<emphasis italics="true" pageId="0" pageNumber="15">O. lawrencei</emphasis>
|
||
</taxonomicName>
|
||
. The supposed nymph of
|
||
<taxonomicName lsidName="O. dobbsi" pageId="0" pageNumber="15" rank="species" species="dobbsi">
|
||
<emphasis italics="true" pageId="0" pageNumber="15">O. dobbsi</emphasis>
|
||
</taxonomicName>
|
||
presents also similarities with the one of
|
||
<taxonomicName lsidName="O. lawrencei" pageId="0" pageNumber="15" rank="species" species="lawrencei">
|
||
<emphasis italics="true" pageId="0" pageNumber="15">O. lawrencei</emphasis>
|
||
</taxonomicName>
|
||
, but differs in several respects, namely, the absence of a slight carina on the head, the general colouration of the body, the size of gill II, smaller than the following ones in
|
||
<taxonomicName lsidName="O. dobbsi" pageId="0" pageNumber="15" rank="species" species="dobbsi">
|
||
<emphasis italics="true" pageId="0" pageNumber="15">O. dobbsi</emphasis>
|
||
</taxonomicName>
|
||
, whereas subequal to the following ones in
|
||
<taxonomicName lsidName="O. lawrencei" pageId="0" pageNumber="15" rank="species" species="lawrencei">
|
||
<emphasis italics="true" pageId="0" pageNumber="15">O. lawrencei</emphasis>
|
||
</taxonomicName>
|
||
, the patch of setae on sternites (II) III-V in
|
||
<taxonomicName lsidName="O. dobbsi" pageId="0" pageNumber="15" rank="species" species="dobbsi">
|
||
<emphasis italics="true" pageId="0" pageNumber="15">O. dobbsi</emphasis>
|
||
</taxonomicName>
|
||
compared to sternites II-IV (V-VI) in
|
||
<taxonomicName lsidName="O. lawrencei" pageId="0" pageNumber="15" rank="species" species="lawrencei">
|
||
<emphasis italics="true" pageId="0" pageNumber="15">O. lawrencei</emphasis>
|
||
</taxonomicName>
|
||
, and finally the size of gill I lamella, much shorter in the latter than in
|
||
<taxonomicName lsidName="O. dobbsi" pageId="0" pageNumber="15" rank="species" species="dobbsi">
|
||
<emphasis italics="true" pageId="0" pageNumber="15">O. dobbsi</emphasis>
|
||
</taxonomicName>
|
||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="0" pageNumber="15" type="remarks">
|
||
<paragraph pageId="0" pageNumber="15">Remarks.</paragraph>
|
||
<paragraph pageId="0" pageNumber="15">
|
||
The association of the nymphs from Mount Elgon with the adults described by
|
||
<bibRefCitation DOI="https://doi.org/10.1080/00222931208693227" author="Eaton, AE" journalOrPublisher="Annals and Magazine of Natural History" pageId="0" pageNumber="15" pagination="243 - 244" refId="B15" refString="Eaton, AE, 1912. On a new species of Oligoneuria (Ephemeridae) from British East Africa. Annals and Magazine of Natural History 8: 243 - 244, DOI: https://doi.org/10.1080/00222931208693227" title="On a new species of Oligoneuria (Ephemeridae) from British East Africa." url="https://doi.org/10.1080/00222931208693227" volume="8" year="1912">Eaton (1912)</bibRefCitation>
|
||
as
|
||
<taxonomicName baseAuthorityName="Eaton" baseAuthorityYear="1912" class="Insecta" family="Oligoneuriidae" genus="Oligoneuriopsis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Oligoneuriopsis dobbsi" order="Ephemeroptera" pageId="0" pageNumber="15" phylum="Arthropoda" rank="species" species="dobbsi">
|
||
<emphasis italics="true" pageId="0" pageNumber="15">Oligoneuriopsis dobbsi</emphasis>
|
||
</taxonomicName>
|
||
is putative at the moment, because we have no rearing of the nymphs and no COI sequences from
|
||
<normalizedToken originalValue="Eaton’s">Eaton's</normalizedToken>
|
||
material. However, we think this association is realistic, for the following reasons. First, male genitalia extracted from a mature nymph are compatible with those drawn by
|
||
<bibRefCitation DOI="https://doi.org/10.5962/bhl.part.27553" author="Kimmins, DE" journalOrPublisher="Bulletin of the British Museum (Natural History) Entomology" pageId="0" pageNumber="15" pagination="269 - 318" refId="B22" refString="Kimmins, DE, 1960. The Ephemeroptera types of species described by A.E. Eaton, R. McLachlan and F. Walker, with particular reference to those in the British Museum (Natural History). Bulletin of the British Museum (Natural History) Entomology 9: 269 - 318, DOI: https://doi.org/10.5962/bhl.part.27553" title="The Ephemeroptera types of species described by A. E. Eaton, R. McLachlan and F. Walker, with particular reference to those in the British Museum (Natural History)." url="https://doi.org/10.5962/bhl.part.27553" volume="9" year="1960">Kimmins (1960)</bibRefCitation>
|
||
, especially the proximal process which is thick and shorter than in the other species, and the apex of the lateral longitudinal lobe of penis which is slightly clavate distally. Secondly, localities for the nymphs and adults are only distant from ca. 100 km, whereas no other
|
||
<taxonomicName class="Insecta" family="Oligoneuriidae" genus="Oligoneuriopsis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Oligoneuriopsis" order="Ephemeroptera" pageId="0" pageNumber="15" phylum="Arthropoda" rank="genus">
|
||
<emphasis italics="true" pageId="0" pageNumber="15">Oligoneuriopsis</emphasis>
|
||
</taxonomicName>
|
||
populations are known in a radius of thousands of kilometres. Additional nymphal material has been collected by Laban Njoroge, National Museums of Kenya, Nairobi, from the Aberdare range of mountains in Central Kenya and one specimen from Mount Kenya. Images of these nymphs correspond completely with the nymphs of
|
||
<taxonomicName lsidName="O. dobbsi" pageId="0" pageNumber="15" rank="species" species="dobbsi">
|
||
<emphasis italics="true" pageId="0" pageNumber="15">O. dobbsi</emphasis>
|
||
</taxonomicName>
|
||
described here. The Aberdare range is ca. 200 km east of the type locality, Kericho, while Mount Elgon is around 150 km north. It is reasonable to assume that a single species is represented in this area.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="0" pageNumber="15" type="distribution">
|
||
<paragraph pageId="0" pageNumber="15">Known distribution.</paragraph>
|
||
<paragraph pageId="0" pageNumber="15">Kenya.</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |