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<document id="C7AF5EDD9B49B899F1DDA0AA280177C9" ID-CLB-Dataset="21269" ID-DOI="10.11646/zootaxa.4786.1.3" ID-GBIF-Dataset="70d743db-654b-4050-a05f-a5c71b54e14e" ID-ISSN="1175-5326" ID-Zenodo-Dep="3990784" ID-ZooBank="625F197D-9D26-4B00-AF3E-3045586ECB07" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" checkinTime="1597795225921" checkinUser="felipe" docAuthor="Salles, F. F., Nieto, C. &amp; Cruz, P. V." docDate="2020" docId="038B87F6A5761F6A0AEDB430BC80548A" docLanguage="en" docName="zootaxa.4786.1.3.pdf.imf" docOrigin="Zootaxa 4786 (1)" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Rivudiva Lugo-Ortiz &amp; McCafferty 1998" docType="treatment" docVersion="7" lastPageNumber="39" masterDocId="FFB2FF8EA5771F680A7AB129B91D5554" masterDocTitle="New species of Rivudiva Lugo-Ortiz &amp; McCafferty (Ephemeroptera: Baetidae) with comments on R. minantenna Lugo-Ortiz &amp; McCafferty and R. trichobasis Lugo-Ortiz &amp; McCafferty" masterLastPageNumber="52" masterPageNumber="37" pageNumber="38" updateTime="1698844779479" updateUser="ExternalLinkService" zenodo-license-document="CLOSED">
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<mods:title id="A100D94F8F0D7B40223E8A34B8944EF6">New species of Rivudiva Lugo-Ortiz &amp; McCafferty (Ephemeroptera: Baetidae) with comments on R. minantenna Lugo-Ortiz &amp; McCafferty and R. trichobasis Lugo-Ortiz &amp; McCafferty</mods:title>
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<mods:namePart id="14CD79B7F45491089C7F9F39B8F00E52">Salles, F. F.</mods:namePart>
<mods:affiliation id="B044CA061AED5FC9027743E6184FEBEE">Museu de Entomologia, Depto. de Entomologia, Universidade Federal de Viçosa, CEP 36.570 - 900, Viçosa, MG, Brazil. frederico. salles @ ufv. br; https: // orcid. org / 0000 - 0001 - 8331 - 5929</mods:affiliation>
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<mods:namePart id="0ACAA2D1F25A2CE4D495B33214D4165A">Nieto, C.</mods:namePart>
<mods:affiliation id="F388587D9CCF9B2174F65529716CC2D1">Instituto de Biodiversidad Neotropical (IBN), CONICET-U. N. T. &amp; Facultad de Ciencias Naturales, Universidad Nacional de Tucumán, San Miguel de Tucumán, 4.000 Tucumán, Argentina.</mods:affiliation>
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<mods:namePart id="CAF3317F1DC50559DEEA5D1068589CFD">Cruz, P. V.</mods:namePart>
<mods:affiliation id="8182E6EC0FF9D0FACADECC314AEF58DE">Universidade Federal de Rondônia - UNIR, Programa de Pós-Graduação em Ciências Ambientais, Laboratório de Biodiversidade e Conservação - LABICON, CEP: 76940 - 000, Rolim de Moura, Rondônia, Brazil.</mods:affiliation>
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<treatment id="038B87F6A5761F6A0AEDB430BC80548A" ID-DOI="http://doi.org/10.5281/zenodo.4328822" ID-GBIF-Taxon="167186773" ID-Zenodo-Dep="4328822" LSID="urn:lsid:plazi:treatment:038B87F6A5761F6A0AEDB430BC80548A" httpUri="http://treatment.plazi.org/id/038B87F6A5761F6A0AEDB430BC80548A" lastPageId="2" lastPageNumber="39" pageId="1" pageNumber="38">
<subSubSection id="C338656BA5761F690AEDB430BB8B5067" box="[151,662,1305,1331]" pageId="1" pageNumber="38" type="nomenclature">
<paragraph id="8B9D36E0A5761F690AEDB430BB8B5067" blockId="1.[151,662,1305,1331]" box="[151,662,1305,1331]" pageId="1" pageNumber="38">
<heading id="D0D5818CA5761F690AEDB430BB8B5067" box="[151,662,1305,1331]" level="2" pageId="1" pageNumber="38">
<taxonomicName id="4C224D63A5761F690AEDB430BB8B5067" ID-CoL="63RRN" authority="Lugo-Ortiz &amp; McCafferty, 1998" authorityName="Lugo-Ortiz &amp; McCafferty" authorityYear="1998" box="[151,662,1305,1331]" class="Insecta" family="Baetidae" genus="Rivudiva" kingdom="Animalia" order="Ephemeroptera" pageId="1" pageNumber="38" phylum="Arthropoda" rank="genus">
<emphasis id="B956EAF2A5761F690AEDB430B9E25067" box="[151,255,1305,1331]" italics="true" pageId="1" pageNumber="38">Rivudiva</emphasis>
<bibRefCitation id="EFB34B11A5761F690B7DB430BB8B5067" author="Lugo-Ortiz, C. R. &amp; McCafferty, W. P." box="[263,662,1305,1331]" pageId="1" pageNumber="38" pagination="7 - 73" refId="ref7665" refString="Lugo-Ortiz, C. R. &amp; McCafferty, W. P. (1998) Five new genera of Baetidae (Insecta: Ephemeroptera) from South America. Annales de Limnologie-International Journal of Limnology, 34 (1), 7 - 73. https: // doi. org / 10.1051 / limn / 1998007" type="journal article" year="1998">
<emphasis id="B956EAF2A5761F690B7DB430BB8B5067" bold="true" box="[263,662,1305,1331]" pageId="1" pageNumber="38">Lugo-Ortiz &amp; McCafferty, 1998</emphasis>
</bibRefCitation>
</taxonomicName>
</heading>
</paragraph>
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<subSubSection id="C338656BA5761F690AEDB448B8F75227" pageId="1" pageNumber="38" type="diagnosis">
<paragraph id="8B9D36E0A5761F690AEDB448B80D502F" blockId="1.[151,272,1377,1403]" box="[151,272,1377,1403]" pageId="1" pageNumber="38">
<heading id="D0D5818CA5761F690AEDB448B80D502F" bold="true" box="[151,272,1377,1403]" fontSize="11" level="3" pageId="1" pageNumber="38">
<emphasis id="B956EAF2A5761F690AEDB448B80D502F" bold="true" box="[151,272,1377,1403]" pageId="1" pageNumber="38">Diagnosis</emphasis>
</heading>
</paragraph>
<paragraph id="8B9D36E0A5761F690AEDB480BA6153CF" blockId="1.[151,1436,1449,1907]" pageId="1" pageNumber="38">
<emphasis id="B956EAF2A5761F690AEDB480B9F35097" box="[151,238,1449,1475]" italics="true" pageId="1" pageNumber="38">Nymph.</emphasis>
1) maxillary palp long and robust, segment I almost as long as length of galea-lacinia or even longer, and segment II with short pointed distal projection (
<figureCitation id="13192A65A5761F6908DDB4E4BBF250B3" box="[679,751,1484,1511]" captionStart="FIGURES 16" captionStartId="3.[151,264,1945,1970]" captionTargetBox="[167,1415,197,1905]" captionTargetId="figure@3.[153,1434,181,1920]" captionTargetPageId="3" captionText="FIGURES 16. Rivudiva inma, sp. nov., nymph: (1) Labrum; (2) Left mandible; (3) Right mandible; (4) Hypopharynx; (5) Maxilla; (6) Labium (left = ventral surface, right = dorsal surface)." figureDoi="http://doi.org/10.5281/zenodo.3990786" httpUri="https://zenodo.org/record/3990786/files/figure.png" pageId="1" pageNumber="38">Figs 5</figureCitation>
,
<figureCitation id="13192A65A5761F690880B4E5BA0550B3" box="[762,792,1484,1511]" captionStart="FIGURES 1116" captionStartId="7.[151,264,1945,1970]" captionTargetBox="[239,1349,202,1903]" captionTargetId="figure@7.[221,1366,181,1920]" captionTargetPageId="7" captionText="FIGURES 1116. Rivudiva oonirikoperi, sp. nov., nymph. (11) Labrum; (12) Left mandible; (13) Right mandible; (14) Hypopharynx; (15) Maxilla; (16) Labium (left = dorsal surface, right = ventral surface)." figureDoi="http://doi.org/10.5281/zenodo.3990790" httpUri="https://zenodo.org/record/3990790/files/figure.png" pageId="1" pageNumber="38">15</figureCitation>
,
<figureCitation id="13192A65A5761F690959B4E4BA5E50B3" box="[803,835,1485,1511]" captionStart="FIGURES 2229" captionStartId="9.[151,264,1860,1885]" captionTargetBox="[241,1346,183,1834]" captionTargetId="figure@9.[241,1346,181,1834]" captionTargetPageId="9" captionText="FIGURES 2229. Rivudiva spp. SEM photographs. (22) Labrum of R. inma, sp. nov.; (23) Labrum of R. trichobasis; (24) Maxilla of R. inma, sp. nov.; (25) Detail of crown of maxilla of R. inma, sp. nov., dorsal view; (26) Detail of crown of maxilla of R. trichobasis, lateral view; (27) Detail of crown of maxilla of R. minantenna, lateral view; (28) Scape and pedicel of R. trichobasis; (29) Outer and inner incisors of R. trichobasis. (ds, dentiseta; dc, dorsal canine; ii, inner incisor; oc, outer canine; oi, outer incisor; pe, pedicel; vc, ventral canine)." figureDoi="http://doi.org/10.5281/zenodo.3990794" httpUri="https://zenodo.org/record/3990794/files/figure.png" pageId="1" pageNumber="38">24</figureCitation>
); 2) ventral canine of maxilla laterally expanded (
<figureCitation id="13192A65A5761F690F10B4E4B9FF5358" captionStart="FIGURES 2229" captionStartId="9.[151,264,1860,1885]" captionTargetBox="[241,1346,183,1834]" captionTargetId="figure@9.[241,1346,181,1834]" captionTargetPageId="9" captionText="FIGURES 2229. Rivudiva spp. SEM photographs. (22) Labrum of R. inma, sp. nov.; (23) Labrum of R. trichobasis; (24) Maxilla of R. inma, sp. nov.; (25) Detail of crown of maxilla of R. inma, sp. nov., dorsal view; (26) Detail of crown of maxilla of R. trichobasis, lateral view; (27) Detail of crown of maxilla of R. minantenna, lateral view; (28) Scape and pedicel of R. trichobasis; (29) Outer and inner incisors of R. trichobasis. (ds, dentiseta; dc, dorsal canine; ii, inner incisor; oc, outer canine; oi, outer incisor; pe, pedicel; vc, ventral canine)." figureDoi="http://doi.org/10.5281/zenodo.3990794" httpUri="https://zenodo.org/record/3990794/files/figure.png" pageId="1" pageNumber="38">Figs 2627</figureCitation>
); 3) lingua sub-quadrangular, apex with tuft of setae (
<figureCitation id="13192A65A5761F690939B4D8BA90535F" box="[835,909,1521,1547]" captionStart="FIGURES 16" captionStartId="3.[151,264,1945,1970]" captionTargetBox="[167,1415,197,1905]" captionTargetId="figure@3.[153,1434,181,1920]" captionTargetPageId="3" captionText="FIGURES 16. Rivudiva inma, sp. nov., nymph: (1) Labrum; (2) Left mandible; (3) Right mandible; (4) Hypopharynx; (5) Maxilla; (6) Labium (left = ventral surface, right = dorsal surface)." figureDoi="http://doi.org/10.5281/zenodo.3990786" httpUri="https://zenodo.org/record/3990786/files/figure.png" pageId="1" pageNumber="38">Figs 4</figureCitation>
,
<figureCitation id="13192A65A5761F6909E0B4D8BAA4535F" box="[922,953,1521,1547]" captionStart="FIGURES 1116" captionStartId="7.[151,264,1945,1970]" captionTargetBox="[239,1349,202,1903]" captionTargetId="figure@7.[221,1366,181,1920]" captionTargetPageId="7" captionText="FIGURES 1116. Rivudiva oonirikoperi, sp. nov., nymph. (11) Labrum; (12) Left mandible; (13) Right mandible; (14) Hypopharynx; (15) Maxilla; (16) Labium (left = dorsal surface, right = ventral surface)." figureDoi="http://doi.org/10.5281/zenodo.3990790" httpUri="https://zenodo.org/record/3990790/files/figure.png" pageId="1" pageNumber="38">14</figureCitation>
); 4) glossa oblong, with conspicuous stout setae on inner or distal margin (
<figureCitation id="13192A65A5761F690878B73CBB51537B" box="[514,588,1557,1583]" captionStart="FIGURES 16" captionStartId="3.[151,264,1945,1970]" captionTargetBox="[167,1415,197,1905]" captionTargetId="figure@3.[153,1434,181,1920]" captionTargetPageId="3" captionText="FIGURES 16. Rivudiva inma, sp. nov., nymph: (1) Labrum; (2) Left mandible; (3) Right mandible; (4) Hypopharynx; (5) Maxilla; (6) Labium (left = ventral surface, right = dorsal surface)." figureDoi="http://doi.org/10.5281/zenodo.3990786" httpUri="https://zenodo.org/record/3990786/files/figure.png" pageId="1" pageNumber="38">Figs 6</figureCitation>
,
<figureCitation id="13192A65A5761F690823B73CBB655364" box="[601,632,1557,1584]" captionStart="FIGURES 1116" captionStartId="7.[151,264,1945,1970]" captionTargetBox="[239,1349,202,1903]" captionTargetId="figure@7.[221,1366,181,1920]" captionTargetPageId="7" captionText="FIGURES 1116. Rivudiva oonirikoperi, sp. nov., nymph. (11) Labrum; (12) Left mandible; (13) Right mandible; (14) Hypopharynx; (15) Maxilla; (16) Labium (left = dorsal surface, right = ventral surface)." figureDoi="http://doi.org/10.5281/zenodo.3990790" httpUri="https://zenodo.org/record/3990790/files/figure.png" pageId="1" pageNumber="38">16</figureCitation>
); 5) segment II of labial palp with rounded inner medial protuberance, segment III conical (
<figureCitation id="13192A65A5761F690BFBB710B8D65307" box="[385,459,1593,1619]" captionStart="FIGURES 16" captionStartId="3.[151,264,1945,1970]" captionTargetBox="[167,1415,197,1905]" captionTargetId="figure@3.[153,1434,181,1920]" captionTargetPageId="3" captionText="FIGURES 16. Rivudiva inma, sp. nov., nymph: (1) Labrum; (2) Left mandible; (3) Right mandible; (4) Hypopharynx; (5) Maxilla; (6) Labium (left = ventral surface, right = dorsal surface)." figureDoi="http://doi.org/10.5281/zenodo.3990786" httpUri="https://zenodo.org/record/3990786/files/figure.png" pageId="1" pageNumber="38">Figs 6</figureCitation>
,
<figureCitation id="13192A65A5761F690BA2B710B8EA5300" box="[472,503,1593,1620]" captionStart="FIGURES 1116" captionStartId="7.[151,264,1945,1970]" captionTargetBox="[239,1349,202,1903]" captionTargetId="figure@7.[221,1366,181,1920]" captionTargetPageId="7" captionText="FIGURES 1116. Rivudiva oonirikoperi, sp. nov., nymph. (11) Labrum; (12) Left mandible; (13) Right mandible; (14) Hypopharynx; (15) Maxilla; (16) Labium (left = dorsal surface, right = ventral surface)." figureDoi="http://doi.org/10.5281/zenodo.3990790" httpUri="https://zenodo.org/record/3990790/files/figure.png" pageId="1" pageNumber="38">16</figureCitation>
); 6) femora with distinct robust, usually long setae on outer margin, inner margin, and on a longitudinal row on dorsal and ventral surface (
<figureCitation id="13192A65A5761F690964B774BA745323" box="[798,873,1629,1655]" captionStart="FIGURES 710" captionStartId="4.[151,264,1898,1923]" captionTargetBox="[182,1395,193,1828]" captionTargetId="figure@4.[151,1436,181,1873]" captionTargetPageId="4" captionText="FIGURES 710. Rivudiva inma, sp. nov., nymph. (7) Fore leg; (8) Tarsal claw; (9) Posterior margin of tergum IV; (10) Paraproct." figureDoi="http://doi.org/10.5281/zenodo.3990788" httpUri="https://zenodo.org/record/3990788/files/figure.png" pageId="1" pageNumber="38">Figs 7</figureCitation>
,
<figureCitation id="13192A65A5761F69090CB774BAA25323" box="[886,959,1629,1655]" captionStart="FIGURES 1721" captionStartId="8.[151,264,1945,1970]" captionTargetBox="[192,1396,189,1917]" captionTargetId="figure@8.[192,1396,181,1920]" captionTargetPageId="8" captionText="FIGURES 1721. Rivudiva oonirikoperi, sp. nov., nymph. (17) Fore leg (anterior surface); (18) detail of foreclaw; (19) mid leg (anterior surface); (20) Paraproct; (21) Dorsal view of body." figureDoi="http://doi.org/10.5281/zenodo.3990792" httpUri="https://zenodo.org/record/3990792/files/figure.png" pageId="1" pageNumber="38">17, 19</figureCitation>
,
<figureCitation id="13192A65A5761F6909B7B774BD0A5323" box="[973,1047,1629,1655]" captionStart="FIGURES 3037" captionStartId="10.[151,264,1910,1935]" captionTargetBox="[222,1364,181,1885]" captionTargetId="figure@10.[222,1364,181,1885]" captionTargetPageId="10" captionText="FIGURES 3037. Rivudiva spp. SEM photographs. (30) Fore femur of R. inma, sp. nov.; (31) Fore femur of R. inma, sp. nov., detail of outer margin; (32) Femur of R. minantenna; (33) Femur of R. trichobasis; (34) Tarsal claw of R. inma, sp. nov., inner view; (35) Tarsal claw of R. minantenna, lateral view; (36) Abdominal sternum of R. trichobasis; (37) Abdominal sternum of R. trichobasis, detail of setae." figureDoi="http://doi.org/10.5281/zenodo.3990796" httpUri="https://zenodo.org/record/3990796/files/figure.png" pageId="1" pageNumber="38">3033</figureCitation>
); 7) tarsal claws with two rows of denticles (
<figureCitation id="13192A65A5761F690B70B7A8B84C53CF" box="[266,337,1665,1691]" captionStart="FIGURES 710" captionStartId="4.[151,264,1898,1923]" captionTargetBox="[182,1395,193,1828]" captionTargetId="figure@4.[151,1436,181,1873]" captionTargetPageId="4" captionText="FIGURES 710. Rivudiva inma, sp. nov., nymph. (7) Fore leg; (8) Tarsal claw; (9) Posterior margin of tergum IV; (10) Paraproct." figureDoi="http://doi.org/10.5281/zenodo.3990788" httpUri="https://zenodo.org/record/3990788/files/figure.png" pageId="1" pageNumber="38">Figs 8</figureCitation>
,
<figureCitation id="13192A65A5761F690B24B7A8B86153CF" box="[350,380,1665,1691]" captionStart="FIGURES 1721" captionStartId="8.[151,264,1945,1970]" captionTargetBox="[192,1396,189,1917]" captionTargetId="figure@8.[192,1396,181,1920]" captionTargetPageId="8" captionText="FIGURES 1721. Rivudiva oonirikoperi, sp. nov., nymph. (17) Fore leg (anterior surface); (18) detail of foreclaw; (19) mid leg (anterior surface); (20) Paraproct; (21) Dorsal view of body." figureDoi="http://doi.org/10.5281/zenodo.3990792" httpUri="https://zenodo.org/record/3990792/files/figure.png" pageId="1" pageNumber="38">18</figureCitation>
,
<figureCitation id="13192A65A5761F690BF2B7A8B8CC53CF" box="[392,465,1664,1691]" captionStart="FIGURES 3037" captionStartId="10.[151,264,1910,1935]" captionTargetBox="[222,1364,181,1885]" captionTargetId="figure@10.[222,1364,181,1885]" captionTargetPageId="10" captionText="FIGURES 3037. Rivudiva spp. SEM photographs. (30) Fore femur of R. inma, sp. nov.; (31) Fore femur of R. inma, sp. nov., detail of outer margin; (32) Femur of R. minantenna; (33) Femur of R. trichobasis; (34) Tarsal claw of R. inma, sp. nov., inner view; (35) Tarsal claw of R. minantenna, lateral view; (36) Abdominal sternum of R. trichobasis; (37) Abdominal sternum of R. trichobasis, detail of setae." figureDoi="http://doi.org/10.5281/zenodo.3990796" httpUri="https://zenodo.org/record/3990796/files/figure.png" pageId="1" pageNumber="38">34, 35</figureCitation>
); 8) hind wing pads present or absent.
</paragraph>
<paragraph id="8B9D36E0A5761F690ABDB78FBDBA527F" blockId="1.[151,1436,1449,1907]" pageId="1" pageNumber="38">
<emphasis id="B956EAF2A5761F690ABDB78FB80B53EB" box="[199,278,1702,1727]" italics="true" pageId="1" pageNumber="38">Imago.</emphasis>
1) marginal intercalaries of fore wing double; 2) hindwings present or absent, when present with two longitudinal veins and with costal projection pointed, placed in the basal fourth of anterior margin; 3) forceps with distal segment long, about 2× as long as wide; 4) fusion of first and second segment of forceps on basal third; 5) distal margin of subgenital plate with shallow emargination or with small pointed projection.
</paragraph>
<paragraph id="8B9D36E0A5761F690ABDB61CB8F75227" blockId="1.[151,1436,1449,1907]" pageId="1" pageNumber="38">
Distribution. Neotropical, until now restricted to South America in the following countries:
<collectingCountry id="F3357670A5761F690EB9B61CBC17521B" box="[1219,1290,1845,1871]" name="Brazil" pageId="1" pageNumber="38">Brazil</collectingCountry>
,
<collectingCountry id="F3357670A5761F690F6FB61CB9DC5227" name="French Guiana" pageId="1" pageNumber="38">French Guiana</collectingCountry>
,
<collectingCountry id="F3357670A5761F690AB6B670B8285227" box="[204,309,1881,1907]" name="Paraguay" pageId="1" pageNumber="38">Paraguay</collectingCountry>
, and
<collectingCountry id="F3357670A5761F690B15B670B8FB5227" box="[367,486,1881,1907]" name="Venezuela" pageId="1" pageNumber="38">Venezuela</collectingCountry>
.
</paragraph>
</subSubSection>
<subSubSection id="C338656BA5751F6A0AEDB1B3BC80548A" pageId="2" pageNumber="39" type="key">
<paragraph id="8B9D36E0A5751F6A0AEDB1B3BB9C55E0" blockId="2.[151,641,153,180]" box="[151,641,153,180]" pageId="2" pageNumber="39">
<heading id="D0D5818CA5751F6A0AEDB1B3BB9C55E0" bold="true" box="[151,641,153,180]" fontSize="11" level="3" pageId="2" pageNumber="39">
<emphasis id="B956EAF2A5751F6A0AEDB1B3BB9C55E0" bold="true" box="[151,641,153,180]" pageId="2" pageNumber="39">Key to the species in the nymphal stage</emphasis>
</heading>
</paragraph>
<key id="FFB361D1A5751F6A0AEDB1F7BC80548A" pageId="2" pageNumber="39">
<keyStep id="30D62E45A5751F6A0AEDB1F7BC815444" pageId="2" pageNumber="39">
<paragraph id="8B9D36E0A5751F6A0AEDB1F7BC8155A7" blockId="2.[151,1436,222,273]" box="[151,1436,222,244]" pageId="2" pageNumber="39">
<keyLead id="30D395D5A5751F6A0AEDB1F7BC8155A7" box="[151,1436,222,244]" pageId="2" pageNumber="39">
1. Abdominal sterna with robust, apically pointed setae (
<figureCitation id="13192A65A5751F6A0892B1F7BA4455A0" box="[744,857,222,244]" captionStart="FIGURES 3037" captionStartId="10.[151,264,1910,1935]" captionTargetBox="[222,1364,181,1885]" captionTargetId="figure@10.[222,1364,181,1885]" captionTargetPageId="10" captionText="FIGURES 3037. Rivudiva spp. SEM photographs. (30) Fore femur of R. inma, sp. nov.; (31) Fore femur of R. inma, sp. nov., detail of outer margin; (32) Femur of R. minantenna; (33) Femur of R. trichobasis; (34) Tarsal claw of R. inma, sp. nov., inner view; (35) Tarsal claw of R. minantenna, lateral view; (36) Abdominal sternum of R. trichobasis; (37) Abdominal sternum of R. trichobasis, detail of setae." figureDoi="http://doi.org/10.5281/zenodo.3990796" httpUri="https://zenodo.org/record/3990796/files/figure.png" pageId="2" pageNumber="39">Figs 3637</figureCitation>
); hind wing pads absent........................... 2
</keyLead>
</paragraph>
<paragraph id="8B9D36E0A5751F6A0AEDB1D2BC815444" blockId="2.[151,1436,222,273]" box="[151,1436,251,273]" pageId="2" pageNumber="39">
<keyLead id="30D395D5A5751F6A0AEDB1D2BC815444" box="[151,1436,251,273]" pageId="2" pageNumber="39">1. Abdominal sterna with simple setae; hind wing pads present................................................... 3</keyLead>
</paragraph>
</keyStep>
<keyStep id="30D62E45A5751F6A0AEDB01FBC80543D" pageId="2" pageNumber="39">
<paragraph id="8B9D36E0A5751F6A0AEDB01FBC80541F" blockId="2.[151,1437,310,361]" box="[151,1437,310,332]" pageId="2" pageNumber="39">
<keyLead id="30D395D5A5751F6A0AEDB01FBC80541F" box="[151,1437,310,332]" pageId="2" pageNumber="39">
2(1). Scape and pedicel with apically pointed setae (
<figureCitation id="13192A65A5751F6A08D9B01FBBF65418" box="[675,747,310,332]" captionStart="FIGURES 2229" captionStartId="9.[151,264,1860,1885]" captionTargetBox="[241,1346,183,1834]" captionTargetId="figure@9.[241,1346,181,1834]" captionTargetPageId="9" captionText="FIGURES 2229. Rivudiva spp. SEM photographs. (22) Labrum of R. inma, sp. nov.; (23) Labrum of R. trichobasis; (24) Maxilla of R. inma, sp. nov.; (25) Detail of crown of maxilla of R. inma, sp. nov., dorsal view; (26) Detail of crown of maxilla of R. trichobasis, lateral view; (27) Detail of crown of maxilla of R. minantenna, lateral view; (28) Scape and pedicel of R. trichobasis; (29) Outer and inner incisors of R. trichobasis. (ds, dentiseta; dc, dorsal canine; ii, inner incisor; oc, outer canine; oi, outer incisor; pe, pedicel; vc, ventral canine)." figureDoi="http://doi.org/10.5281/zenodo.3990794" httpUri="https://zenodo.org/record/3990794/files/figure.png" pageId="2" pageNumber="39">Fig. 28</figureCitation>
); fore tarsus without long setae.....................
<taxonomicName id="4C224D63A5751F6A0F6DB01EBC80541F" ID-CoL="78WRW" authorityName="Lugo-Ortiz &amp; McCafferty" authorityYear="1998" box="[1303,1437,310,332]" class="Insecta" family="Baetidae" genus="Rivudiva" kingdom="Animalia" order="Ephemeroptera" pageId="2" pageNumber="39" phylum="Arthropoda" rank="species" species="trichobasis">
<emphasis id="B956EAF2A5751F6A0F6DB01EBC80541F" box="[1303,1437,310,332]" italics="true" pageId="2" pageNumber="39">R. trichobasis</emphasis>
</taxonomicName>
</keyLead>
</paragraph>
<paragraph id="8B9D36E0A5751F6A0AEDB07ABC80543D" blockId="2.[151,1437,310,361]" box="[151,1437,339,361]" pageId="2" pageNumber="39">
<keyLead id="30D395D5A5751F6A0AEDB07ABC80543D" box="[151,1437,339,361]" pageId="2" pageNumber="39">
2. Scape and pedicel without apically pointed setae; fore tarsus with long setae....................
<taxonomicName id="4C224D63A5751F6A0ECEB07DBC5B543C" authority="Salles &amp; Nieto &amp; Cruz, 2020" authorityName="Salles &amp; Nieto &amp; Cruz" authorityYear="2020" box="[1204,1350,339,361]" class="Insecta" family="Baetidae" genus="Rivudiva" kingdom="Animalia" order="Ephemeroptera" pageId="2" pageNumber="39" phylum="Arthropoda" rank="species" species="oonirikoperi" status="sp. nov.">
<emphasis id="B956EAF2A5751F6A0ECEB07DBC5B543C" box="[1204,1350,339,361]" italics="true" pageId="2" pageNumber="39">R. oonirikoperi</emphasis>
</taxonomicName>
,
<taxonomicNameLabel id="A2655789A5751F6A0F28B07DBC80543D" box="[1362,1437,340,361]" pageId="2" pageNumber="39" rank="species">sp. nov.</taxonomicNameLabel>
</keyLead>
</paragraph>
</keyStep>
<keyStep id="30D62E45A5751F6A0AEDB0A7BC80548A" pageId="2" pageNumber="39">
<paragraph id="8B9D36E0A5751F6A0AEDB0A7BC8154F0" blockId="2.[151,1437,398,478]" box="[151,1436,398,420]" pageId="2" pageNumber="39">
<keyLead id="30D395D5A5751F6A0AEDB0A7BC8154F0" box="[151,1436,398,420]" pageId="2" pageNumber="39">
3(1). Setae on dorsum of fore femur long (as long as maximum width of femur) and apically pointed (
<figureCitation id="13192A65A5751F6A0EFAB0A7BDDB54F0" box="[1152,1222,398,420]" captionStart="FIGURES 3037" captionStartId="10.[151,264,1910,1935]" captionTargetBox="[222,1364,181,1885]" captionTargetId="figure@10.[222,1364,181,1885]" captionTargetPageId="10" captionText="FIGURES 3037. Rivudiva spp. SEM photographs. (30) Fore femur of R. inma, sp. nov.; (31) Fore femur of R. inma, sp. nov., detail of outer margin; (32) Femur of R. minantenna; (33) Femur of R. trichobasis; (34) Tarsal claw of R. inma, sp. nov., inner view; (35) Tarsal claw of R. minantenna, lateral view; (36) Abdominal sternum of R. trichobasis; (37) Abdominal sternum of R. trichobasis, detail of setae." figureDoi="http://doi.org/10.5281/zenodo.3990796" httpUri="https://zenodo.org/record/3990796/files/figure.png" pageId="2" pageNumber="39">Fig. 32</figureCitation>
).....
<taxonomicName id="4C224D63A5751F6A0F6AB0A6BC8154F0" ID-CoL="6X948" authorityName="Lugo-Ortiz &amp; McCafferty" authorityYear="1998" box="[1296,1436,399,420]" class="Insecta" family="Baetidae" genus="Rivudiva" kingdom="Animalia" order="Ephemeroptera" pageId="2" pageNumber="39" phylum="Arthropoda" rank="species" species="minantenna">
<emphasis id="B956EAF2A5751F6A0F6AB0A6BC8154F0" box="[1296,1436,399,420]" italics="true" pageId="2" pageNumber="39">R. minantenna</emphasis>
</taxonomicName>
</keyLead>
</paragraph>
<paragraph id="8B9D36E0A5751F6A0AEDB082BC80548A" blockId="2.[151,1437,398,478]" pageId="2" pageNumber="39">
<keyLead id="30D395D5A5751F6A0AEDB082BC80548A" pageId="2" pageNumber="39">
3. Setae on dorsum of fore femur short (at most ⅓ maximum width of femur) and apically blunt (
<figureCitation id="13192A65A5751F6A0E14B082BDB15495" box="[1134,1196,427,449]" captionStart="FIGURES 710" captionStartId="4.[151,264,1898,1923]" captionTargetBox="[182,1395,193,1828]" captionTargetId="figure@4.[151,1436,181,1873]" captionTargetPageId="4" captionText="FIGURES 710. Rivudiva inma, sp. nov., nymph. (7) Fore leg; (8) Tarsal claw; (9) Posterior margin of tergum IV; (10) Paraproct." figureDoi="http://doi.org/10.5281/zenodo.3990788" httpUri="https://zenodo.org/record/3990788/files/figure.png" pageId="2" pageNumber="39">Figs 7</figureCitation>
,
<figureCitation id="13192A65A5751F6A0ECCB082BDEE5495" box="[1206,1267,427,449]" captionStart="FIGURES 3037" captionStartId="10.[151,264,1910,1935]" captionTargetBox="[222,1364,181,1885]" captionTargetId="figure@10.[222,1364,181,1885]" captionTargetPageId="10" captionText="FIGURES 3037. Rivudiva spp. SEM photographs. (30) Fore femur of R. inma, sp. nov.; (31) Fore femur of R. inma, sp. nov., detail of outer margin; (32) Femur of R. minantenna; (33) Femur of R. trichobasis; (34) Tarsal claw of R. inma, sp. nov., inner view; (35) Tarsal claw of R. minantenna, lateral view; (36) Abdominal sternum of R. trichobasis; (37) Abdominal sternum of R. trichobasis, detail of setae." figureDoi="http://doi.org/10.5281/zenodo.3990796" httpUri="https://zenodo.org/record/3990796/files/figure.png" pageId="2" pageNumber="39">30, 31</figureCitation>
)....................................................................................................
<taxonomicName id="4C224D63A5751F6A0E86B0E0BC5B548A" authority="Salles &amp; Nieto &amp; Cruz, 2020" authorityName="Salles &amp; Nieto &amp; Cruz" authorityYear="2020" box="[1276,1350,457,478]" class="Insecta" family="Baetidae" genus="Rivudiva" kingdom="Animalia" order="Ephemeroptera" pageId="2" pageNumber="39" phylum="Arthropoda" rank="species" species="inma" status="sp. nov.">
<emphasis id="B956EAF2A5751F6A0E86B0E0BC5B548A" box="[1276,1350,457,478]" italics="true" pageId="2" pageNumber="39">R. inma</emphasis>
</taxonomicName>
,
<taxonomicNameLabel id="A2655789A5751F6A0F28B0E0BC80548A" box="[1362,1437,457,478]" pageId="2" pageNumber="39" rank="species">sp. nov.</taxonomicNameLabel>
</keyLead>
</paragraph>
</keyStep>
</key>
</subSubSection>
</treatment>
</document>