186 lines
33 KiB
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186 lines
33 KiB
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<document id="76784E6ABBFB4FCAFDE367975922D3C4" ID-DOI="10.5281/zenodo.179923" ID-GBIF-Dataset="d4476361-9dc4-449d-bcf8-133aa0dedc73" ID-ISSN="1175-5326" ID-Zenodo-Dep="179923" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" checkinTime="1460013795156" checkinUser="plazi" docAuthor="Molineri, Carlos & Malzacher, Peter" docDate="2007" docId="03E911354F2FE618FF0280C381EFFE10" docLanguage="en" docName="zt01660p031.pdf" docOrigin="Zootaxa 1660" docStyle="DocumentStyle:6581673A57F01A3145754A1E615EDFF0.4:Zootaxa.2007-2008.journal_article" docStyleId="6581673A57F01A3145754A1E615EDFF0" docStyleName="Zootaxa.2007-2008.journal_article" docStyleVersion="4" docTitle="Caenis gonseri Malzacher" docType="treatment" docVersion="9" lastPageNumber="16" masterDocId="FFD0694D4F22E617FF95816C8213FFE4" masterDocTitle="South American Caenis Stephens (Ephemeroptera, Caenidae), new species and stage descriptions" masterLastPageNumber="31" masterPageNumber="1" pageNumber="14" updateTime="1698233543632" updateUser="plazi">
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<mods:title id="151932C1111F37B29B949708F137CAB5">South American Caenis Stephens (Ephemeroptera, Caenidae), new species and stage descriptions</mods:title>
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<mods:namePart id="90E47044ED75FE1D526B63F623FE1B02">Molineri, Carlos</mods:namePart>
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<mods:namePart id="56317E044F65DAD9DF0B793E6522211A">Malzacher, Peter</mods:namePart>
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<mods:title id="AF3A9226566D36A1DBB84ABA78964109">Zootaxa</mods:title>
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<mods:date id="6AAF830DF265247A933686C7C5F87FE8">2007</mods:date>
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<mods:detail id="257B60458421EF5FC6267C4AFAC890F5" type="volume">
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<mods:number id="AFCE70E8329312F896A03825A44EEAE2">1660</mods:number>
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<mods:identifier id="7F71939400EC47D394FB6C49F97AB0A5" type="DOI">10.5281/zenodo.179923</mods:identifier>
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<treatment id="03E911354F2FE618FF0280C381EFFE10" ID-DOI="http://doi.org/10.5281/zenodo.6244717" ID-GBIF-Taxon="119381501" ID-Zenodo-Dep="6244717" LSID="urn:lsid:plazi:treatment:03E911354F2FE618FF0280C381EFFE10" httpUri="http://treatment.plazi.org/id/03E911354F2FE618FF0280C381EFFE10" lastPageId="15" lastPageNumber="16" pageId="13" pageNumber="14">
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<subSubSection id="C35AF3A84F2FE61AFF0280C380E0FE2D" box="[151,755,431,457]" pageId="13" pageNumber="14" type="nomenclature">
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<paragraph id="8BFFA0234F2FE61AFF0280C380E0FE2D" blockId="13.[151,755,431,457]" box="[151,755,431,457]" pageId="13" pageNumber="14">
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<heading id="D0B7174F4F2FE61AFF0280C380E0FE2D" bold="true" box="[151,755,431,457]" fontSize="11" level="1" pageId="13" pageNumber="14" reason="1">
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<emphasis id="B9347C314F2FE61AFF0280C380E0FE2D" bold="true" box="[151,755,431,457]" pageId="13" pageNumber="14">
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<taxonomicName id="4C40DBA04F2FE61AFF0280C383C4FE2D" ID-CoL="P9L7" authority="Malzacher" authorityName="Malzacher" box="[151,471,431,457]" class="Insecta" family="Caenidae" genus="Caenis" kingdom="Animalia" order="Ephemeroptera" pageId="13" pageNumber="14" phylum="Arthropoda" rank="species" species="gonseri">
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<emphasis id="B9347C314F2FE61AFF0280C38359FE2D" bold="true" box="[151,330,431,457]" italics="true" pageId="13" pageNumber="14">Caenis gonseri</emphasis>
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Malzacher
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</taxonomicName>
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(
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<figureCitation id="137BBCA64F2FE61AFE7280C38066FE2D" box="[487,629,431,457]" captionStart="FIGURES 50 – 65" captionStartId="14.[151,269,1843,1867]" captionTargetBox="[182,1424,274,1813]" captionTargetId="figure@14.[162,1424,274,1819]" captionTargetPageId="14" captionText="FIGURES 50 – 65. Caenis gonseri. Female imago: 50, prosternal triangle; 51, abdominal segment II, l. v.; 52, IX sternum; 53, lateral filaments of abdomen (female subimago); 54, idem (female imago). Nymph: 55, abdominal tergum II; 56, left half of nymphal pronotum, d. v.; 57, foreclaw; 58, middle claw; 59, hind claw; 60, setae on dorsal transverse row of fore femora; 61, seta on middle tarsi; 62, seta on hind tarsi; 63, foreleg; 64, middle leg; 65, hind leg." httpUri="https://zenodo.org/record/179927/files/figure.png" pageId="13" pageNumber="14">Figs. 50–65</figureCitation>
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,
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<figureCitation id="137BBCA64F2FE61AFD1680C380F8FE2D" box="[643,747,431,457]" captionStart="FIGURES 139 – 157" captionStartId="22.[151,269,1675,1699]" captionTargetBox="[187,1404,641,1645]" captionTargetId="figure@22.[173,1413,634,1651]" captionTargetPageId="22" captionText="FIGURES 139 – 157. Left and right mandibles, d. v.: 139 – 140, C. argentina; 141 – 142, C. burmeisteri; 143 – 144, C. dominguezi; 145 – 146, C. gonseri; 147 – 148, C. tenella; 149 – 150, C. ludicra; 151 – 152, C. plaumanni; 153 – 154, C. uruzu. Hypopharynx, v. v.: 155, C. burmeisteri; 156, C. dominguezi; 157, C. tenella." httpUri="https://zenodo.org/record/179932/files/figure.png" pageId="13" pageNumber="14">145–146</figureCitation>
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)
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</emphasis>
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</heading>
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</paragraph>
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</subSubSection>
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<subSubSection id="C35AF3A84F2FE61AFF028099807FFDE8" box="[151,620,501,524]" pageId="13" pageNumber="14" type="reference_group">
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<paragraph id="8BFFA0234F2FE61AFF028099807FFDE8" blockId="13.[151,620,501,524]" box="[151,620,501,524]" pageId="13" pageNumber="14">
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<treatmentCitationGroup id="AB50870D4F2FE61AFF028099807FFDE8" box="[151,620,501,524]" pageId="13" pageNumber="14">
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<taxonomicName id="4C40DBA04F2FE61AFF028099800BFDE8" ID-CoL="P9L7" authority="Malzacher, 2001: 11" authorityName="Malzacher" authorityPageNumber="11" authorityYear="2001" box="[151,536,501,524]" class="Insecta" family="Caenidae" genus="Caenis" kingdom="Animalia" order="Ephemeroptera" pageId="13" pageNumber="14" phylum="Arthropoda" rank="species" species="gonseri">
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<emphasis id="B9347C314F2FE61AFF0280998324FDE8" box="[151,311,501,524]" italics="true" pageId="13" pageNumber="14">Caenis gonseri</emphasis>
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<treatmentCitation id="0AE186324F2FE61AFEAB8099800BFDE8" author="Malzacher" box="[318,536,501,524]" page="11" pageId="13" pageNumber="14" year="2001">
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<bibRefCitation id="EFD1DDD24F2FE61AFEAB809983E7FDE8" author="Malzacher" box="[318,500,501,524]" pageId="13" pageNumber="31" refString="Malzacher, P. (2001) South and Central American Caenis species with rounded forceps tips (Insecta: Ephemeroptera: Caenidae). Stuttgarter Beitrage zur Naturkunde Ser. A, 626, 1 - 20." type="journal article" year="2001">Malzacher, 2001</bibRefCitation>
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: 11
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</treatmentCitation>
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</taxonomicName>
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(male).
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</treatmentCitationGroup>
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</paragraph>
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</subSubSection>
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<subSubSection id="C35AF3A84F2FE618FF02835181EFFE10" lastPageId="15" lastPageNumber="16" pageId="13" pageNumber="14" type="materials_examined">
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<paragraph id="8BFFA0234F2FE61AFF028351874EFDB3" blockId="13.[151,1437,573,1999]" box="[151,1373,573,599]" pageId="13" pageNumber="14">
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<typeStatus id="54FB1E814F2FE61AFF02835182C2FDB3" box="[151,209,573,599]" pageId="13" pageNumber="14">Type</typeStatus>
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material.
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<typeStatus id="54FB1E814F2FE61AFED2835183AAFDB3" box="[327,441,573,599]" pageId="13" pageNumber="14" type="paratype">Paratypes</typeStatus>
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<specimenCount id="9D466BAA4F2FE61AFE558351800DFDB3" box="[448,542,573,599]" pageId="13" pageNumber="14" type="male">10 male</specimenCount>
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imagos from
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<collectingCountry id="F357E0B34F2FE61AFD5483518108FDB3" box="[705,795,573,599]" name="Chile" pageId="13" pageNumber="14">CHILE</collectingCountry>
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, río Choapa,
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<date id="FFFE86E34F2FE61AFC2383518650FDB3" box="[950,1091,573,599]" pageId="13" pageNumber="14" value="1986-06-13">13-VI-1986</date>
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, T. Gonser col. (
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<collectionCode id="ED5138E64F2FE61AFA9183518742FDB3" box="[1284,1361,573,599]" pageId="13" pageNumber="14">IFML</collectionCode>
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).
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</paragraph>
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<paragraph id="8BFFA0234F2FE61AFF5383098323FD2B" blockId="13.[151,1437,573,1999]" pageId="13" pageNumber="14">
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Additional material (
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<collectionCode id="ED5138E64F2FE61AFE2C83098015FD9B" box="[441,518,613,639]" pageId="13" pageNumber="14">IFML</collectionCode>
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). Four male and
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<specimenCount id="9D466BAA4F2FE61AFD528309813EFD9B" box="[711,813,613,639]" pageId="13" pageNumber="14" type="female">1 female</specimenCount>
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imagos,
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<specimenCount id="9D466BAA4F2FE61AFC03830981E8FD9B" box="[918,1019,613,639]" pageId="13" pageNumber="14" type="female">2 female</specimenCount>
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subimagos, and 2 nymphal exuviae from
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<taxonomicName id="4C40DBA04F2FE61AFF4F83E18399FD43" box="[218,394,653,679]" class="Insecta" family="Caenidae" genus="Caenis" kingdom="Animalia" order="Ephemeroptera" pageId="13" pageNumber="29" phylum="Arthropoda" rank="species" species="argentina">
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<collectingCountry id="F357E0B34F2FE61AFF4F83E18399FD43" box="[218,394,653,679]" name="Argentina" pageId="13" pageNumber="14">ARGENTINA</collectingCountry>
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</taxonomicName>
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: Neuquén, Bajada del Agrio, RN 40, 70 km N de Zapala, Río Agrio,
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<date id="FFFE86E34F2FE61AFB4983E18761FD43" box="[1244,1394,653,679]" pageId="13" pageNumber="14" value="1997-12-12">12-XII-1997</date>
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, C. Molineri col.
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</paragraph>
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<paragraph id="8BFFA0234F2FE61AFF5383B186DFFC73" blockId="13.[151,1437,573,1999]" pageId="13" pageNumber="14">
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Male imago. Length: body,
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<quantity id="4CB80DC64F2FE61AFD8E83B180BCFD13" box="[539,687,733,759]" metricMagnitude="-3" metricUnit="m" metricValue="3.7" metricValueMax="3.8" metricValueMin="3.6" pageId="13" pageNumber="14" unit="mm" value="3.7" valueMax="3.8" valueMin="3.6">3.6–3.8 mm</quantity>
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; foreleg,
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<quantity id="4CB80DC64F2FE61AFCB083B181AAFD13" box="[805,953,733,759]" metricMagnitude="-3" metricUnit="m" metricValue="3.35" metricValueMax="3.5" metricValueMin="3.2" pageId="13" pageNumber="14" unit="mm" value="3.35" valueMax="3.5" valueMin="3.2">3.2–3.5 mm</quantity>
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; fore wing, 3.7–4.0 mm. As
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<bibRefCitation id="EFD1DDD24F2FE61AFAB483B18302FCFB" author="Malzacher" pageId="13" pageNumber="31" refString="Malzacher, P. (2001) South and Central American Caenis species with rounded forceps tips (Insecta: Ephemeroptera: Caenidae). Stuttgarter Beitrage zur Naturkunde Ser. A, 626, 1 - 20." type="journal article" year="2001">Malzacher (2001: 11)</bibRefCitation>
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had thoroughly described the male imago, a redescription will not be included here. Only one difference was found when checking the four males from Neuquén with Malzacher´s description: the finger-like process on abdominal tergum II is not visible, probably because it is pressed against the abdomen. This feature is assumed to be present in males, since it is well visible in the females collected with them.
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</paragraph>
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<paragraph id="8BFFA0234F2FE61AFF5382C980FFFB1B" blockId="13.[151,1437,573,1999]" pageId="13" pageNumber="14">
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Female (imago and subimago). Length: body, 5.7–6.0 mm; fore wing,
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<quantity id="4CB80DC64F2FE61AFB9E82C9868EFC5B" box="[1035,1181,933,959]" metricMagnitude="-3" metricUnit="m" metricValue="4.4" metricValueMax="4.6" metricValueMin="4.2" pageId="13" pageNumber="14" unit="mm" value="4.4" valueMax="4.6" valueMin="4.2">4.2–4.6 mm</quantity>
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. Antennae yellowish; occiput with a transverse blackish line connecting lateral ocelli. Thorax. Pronotum with relatively acute anterolateral projections, gray shading forming a quadrangular empty mark medially; prosternal triangle (
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<figureCitation id="137BBCA64F2FE61AFAAB82998787FBEB" box="[1342,1428,1013,1039]" captionStart="FIGURES 50 – 65" captionStartId="14.[151,269,1843,1867]" captionTargetBox="[182,1424,274,1813]" captionTargetId="figure@14.[162,1424,274,1819]" captionTargetPageId="14" captionText="FIGURES 50 – 65. Caenis gonseri. Female imago: 50, prosternal triangle; 51, abdominal segment II, l. v.; 52, IX sternum; 53, lateral filaments of abdomen (female subimago); 54, idem (female imago). Nymph: 55, abdominal tergum II; 56, left half of nymphal pronotum, d. v.; 57, foreclaw; 58, middle claw; 59, hind claw; 60, setae on dorsal transverse row of fore femora; 61, seta on middle tarsi; 62, seta on hind tarsi; 63, foreleg; 64, middle leg; 65, hind leg." httpUri="https://zenodo.org/record/179927/files/figure.png" pageId="13" pageNumber="14">Fig. 50</figureCitation>
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) anteriorly blunt, as in males. Katepisternum as dark as the remaining thoracic sclerites. Abdomen shaded with gray on broad transverse bands, mediolongitudinal line paler, bordered by a pair of submedian darker lines; abdomen ventrally paler, very lightly shaded gray, somewhat stronger laterally. Posterolateral filaments of abdomen present on segments IV–IX (
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<figureCitation id="137BBCA64F2FE61AFDCE85F980F9FB4B" box="[603,746,1173,1199]" captionStart="FIGURES 50 – 65" captionStartId="14.[151,269,1843,1867]" captionTargetBox="[182,1424,274,1813]" captionTargetId="figure@14.[162,1424,274,1819]" captionTargetPageId="14" captionText="FIGURES 50 – 65. Caenis gonseri. Female imago: 50, prosternal triangle; 51, abdominal segment II, l. v.; 52, IX sternum; 53, lateral filaments of abdomen (female subimago); 54, idem (female imago). Nymph: 55, abdominal tergum II; 56, left half of nymphal pronotum, d. v.; 57, foreclaw; 58, middle claw; 59, hind claw; 60, setae on dorsal transverse row of fore femora; 61, seta on middle tarsi; 62, seta on hind tarsi; 63, foreleg; 64, middle leg; 65, hind leg." httpUri="https://zenodo.org/record/179927/files/figure.png" pageId="13" pageNumber="14">Figs. 53–54</figureCitation>
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), longer than in male, those of segments IV–VII are longer than the rest. Finger-like process of abdominal tergum II present, short (
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<figureCitation id="137BBCA64F2FE61AFB8185D18663FB33" box="[1044,1136,1213,1239]" captionStart="FIGURES 50 – 65" captionStartId="14.[151,269,1843,1867]" captionTargetBox="[182,1424,274,1813]" captionTargetId="figure@14.[162,1424,274,1819]" captionTargetPageId="14" captionText="FIGURES 50 – 65. Caenis gonseri. Female imago: 50, prosternal triangle; 51, abdominal segment II, l. v.; 52, IX sternum; 53, lateral filaments of abdomen (female subimago); 54, idem (female imago). Nymph: 55, abdominal tergum II; 56, left half of nymphal pronotum, d. v.; 57, foreclaw; 58, middle claw; 59, hind claw; 60, setae on dorsal transverse row of fore femora; 61, seta on middle tarsi; 62, seta on hind tarsi; 63, foreleg; 64, middle leg; 65, hind leg." httpUri="https://zenodo.org/record/179927/files/figure.png" pageId="13" pageNumber="14">Fig. 55</figureCitation>
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). Ninth sternum broadly rounded posteriorly (
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<figureCitation id="137BBCA64F2FE61AFE18858983F6FB1B" box="[397,485,1253,1279]" captionStart="FIGURES 50 – 65" captionStartId="14.[151,269,1843,1867]" captionTargetBox="[182,1424,274,1813]" captionTargetId="figure@14.[162,1424,274,1819]" captionTargetPageId="14" captionText="FIGURES 50 – 65. Caenis gonseri. Female imago: 50, prosternal triangle; 51, abdominal segment II, l. v.; 52, IX sternum; 53, lateral filaments of abdomen (female subimago); 54, idem (female imago). Nymph: 55, abdominal tergum II; 56, left half of nymphal pronotum, d. v.; 57, foreclaw; 58, middle claw; 59, hind claw; 60, setae on dorsal transverse row of fore femora; 61, seta on middle tarsi; 62, seta on hind tarsi; 63, foreleg; 64, middle leg; 65, hind leg." httpUri="https://zenodo.org/record/179927/files/figure.png" pageId="13" pageNumber="14">Fig. 52</figureCitation>
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). Egg mass yellowish.
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</paragraph>
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<paragraph id="8BFFA0234F2FE61AFF53846182E8F8E3" blockId="13.[151,1437,573,1999]" pageId="13" pageNumber="14">
|
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Nymphal exuviae. Length of male: body, 5.0 mm; caudal filaments,
|
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<quantity id="4CB80DC64F2FE61AFC7E8461865AFAC3" box="[1003,1097,1293,1319]" metricMagnitude="-3" metricUnit="m" metricValue="3.5" pageId="13" pageNumber="14" unit="mm" value="3.5">3.5 mm</quantity>
|
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. Length of female: body, 6.0 mm; caudal filaments, 4.0 mm. Head: with a pair of pale blotches on sublateral zones of occiput; hind margin of head with small simple setules. Mouthparts: labrum with broad and smooth anteromedian emargination, mandibles as in
|
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<figureCitation id="137BBCA64F2FE61AFEC084E98012FA7B" box="[341,513,1413,1439]" captionStart="FIGURES 139 – 157" captionStartId="22.[151,269,1675,1699]" captionTargetBox="[187,1404,641,1645]" captionTargetId="figure@22.[173,1413,634,1651]" captionTargetPageId="22" captionText="FIGURES 139 – 157. Left and right mandibles, d. v.: 139 – 140, C. argentina; 141 – 142, C. burmeisteri; 143 – 144, C. dominguezi; 145 – 146, C. gonseri; 147 – 148, C. tenella; 149 – 150, C. ludicra; 151 – 152, C. plaumanni; 153 – 154, C. uruzu. Hypopharynx, v. v.: 155, C. burmeisteri; 156, C. dominguezi; 157, C. tenella." httpUri="https://zenodo.org/record/179932/files/figure.png" pageId="13" pageNumber="14">Figs. 145–146</figureCitation>
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; segment II of labial palp 1.44 times the length of segment III. Thorax. Pronotum anteriorly projected as in
|
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<figureCitation id="137BBCA64F2FE61AFD9284C18072FA23" box="[519,609,1453,1479]" captionStart="FIGURES 50 – 65" captionStartId="14.[151,269,1843,1867]" captionTargetBox="[182,1424,274,1813]" captionTargetId="figure@14.[162,1424,274,1819]" captionTargetPageId="14" captionText="FIGURES 50 – 65. Caenis gonseri. Female imago: 50, prosternal triangle; 51, abdominal segment II, l. v.; 52, IX sternum; 53, lateral filaments of abdomen (female subimago); 54, idem (female imago). Nymph: 55, abdominal tergum II; 56, left half of nymphal pronotum, d. v.; 57, foreclaw; 58, middle claw; 59, hind claw; 60, setae on dorsal transverse row of fore femora; 61, seta on middle tarsi; 62, seta on hind tarsi; 63, foreleg; 64, middle leg; 65, hind leg." httpUri="https://zenodo.org/record/179927/files/figure.png" pageId="13" pageNumber="14">Fig. 56</figureCitation>
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. Pale blotches present on mesonotum: 1 small circular blotch in the median zone of anteronotal projection, and 4 paired blotches on anterior half of mesonotum (the larger pair near the base of wingpads, the other three much smaller and located between the others). Legs as in
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<figureCitation id="137BBCA64F2FE61AFABB849182ABF9DB" captionStart="FIGURES 50 – 65" captionStartId="14.[151,269,1843,1867]" captionTargetBox="[182,1424,274,1813]" captionTargetId="figure@14.[162,1424,274,1819]" captionTargetPageId="14" captionText="FIGURES 50 – 65. Caenis gonseri. Female imago: 50, prosternal triangle; 51, abdominal segment II, l. v.; 52, IX sternum; 53, lateral filaments of abdomen (female subimago); 54, idem (female imago). Nymph: 55, abdominal tergum II; 56, left half of nymphal pronotum, d. v.; 57, foreclaw; 58, middle claw; 59, hind claw; 60, setae on dorsal transverse row of fore femora; 61, seta on middle tarsi; 62, seta on hind tarsi; 63, foreleg; 64, middle leg; 65, hind leg." httpUri="https://zenodo.org/record/179927/files/figure.png" pageId="13" pageNumber="14">Figs. 63– 65</figureCitation>
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. Coxal processes very short and rounded. All tarsi with one row of simple setae, hind tarsi with an additional row of serrated setae. Tarsal claws (
|
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<figureCitation id="137BBCA64F2FE61AFD0287218134F983" box="[663,807,1613,1639]" captionStart="FIGURES 50 – 65" captionStartId="14.[151,269,1843,1867]" captionTargetBox="[182,1424,274,1813]" captionTargetId="figure@14.[162,1424,274,1819]" captionTargetPageId="14" captionText="FIGURES 50 – 65. Caenis gonseri. Female imago: 50, prosternal triangle; 51, abdominal segment II, l. v.; 52, IX sternum; 53, lateral filaments of abdomen (female subimago); 54, idem (female imago). Nymph: 55, abdominal tergum II; 56, left half of nymphal pronotum, d. v.; 57, foreclaw; 58, middle claw; 59, hind claw; 60, setae on dorsal transverse row of fore femora; 61, seta on middle tarsi; 62, seta on hind tarsi; 63, foreleg; 64, middle leg; 65, hind leg." httpUri="https://zenodo.org/record/179927/files/figure.png" pageId="13" pageNumber="14">Figs. 57–59</figureCitation>
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) relatively straight, fore and middle claws with 4–5 weakly marked denticles, hind claws with about 20 denticles. Abdomen. Dorsal projection of tergum II short (
|
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<figureCitation id="137BBCA64F2FE61AFF0A87F182E9F953" box="[159,250,1693,1719]" captionStart="FIGURES 50 – 65" captionStartId="14.[151,269,1843,1867]" captionTargetBox="[182,1424,274,1813]" captionTargetId="figure@14.[162,1424,274,1819]" captionTargetPageId="14" captionText="FIGURES 50 – 65. Caenis gonseri. Female imago: 50, prosternal triangle; 51, abdominal segment II, l. v.; 52, IX sternum; 53, lateral filaments of abdomen (female subimago); 54, idem (female imago). Nymph: 55, abdominal tergum II; 56, left half of nymphal pronotum, d. v.; 57, foreclaw; 58, middle claw; 59, hind claw; 60, setae on dorsal transverse row of fore femora; 61, seta on middle tarsi; 62, seta on hind tarsi; 63, foreleg; 64, middle leg; 65, hind leg." httpUri="https://zenodo.org/record/179927/files/figure.png" pageId="13" pageNumber="14">Fig. 55</figureCitation>
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). Operculate gills with simple setae dorsally, microtrichia on ventral submarginal row elongated to subtriangular. Ninth sternum apically rounded, hind margin with simple setae, few setae apically bent inwards.
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</paragraph>
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<paragraph id="8BFFA0234F2FE619FF53867986ECFF3E" blockId="13.[151,1437,573,1999]" lastBlockId="14.[151,1436,152,218]" lastPageId="14" lastPageNumber="15" pageId="13" pageNumber="14">
|
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Diagnosis.
|
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<taxonomicName id="4C40DBA04F2FE61AFEDF867983E9F8CA" box="[330,506,1813,1838]" class="Insecta" family="Caenidae" genus="Caenis" kingdom="Animalia" order="Ephemeroptera" pageId="13" pageNumber="14" phylum="Arthropoda" rank="species" species="gonseri">
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<emphasis id="B9347C314F2FE61AFEDF867983E9F8CA" box="[330,506,1813,1838]" italics="true" pageId="13" pageNumber="14">Caenis gonseri</emphasis>
|
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</taxonomicName>
|
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can be distinguished from the other species of the genus by the following combination of characters. In the imago: 1) general coloration yellowish-brown; 2) prosternal triangle anteriorly blunt (
|
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<figureCitation id="137BBCA64F2FE61AFF708609832CF89B" box="[229,319,1893,1919]" captionStart="FIGURES 50 – 65" captionStartId="14.[151,269,1843,1867]" captionTargetBox="[182,1424,274,1813]" captionTargetId="figure@14.[162,1424,274,1819]" captionTargetPageId="14" captionText="FIGURES 50 – 65. Caenis gonseri. Female imago: 50, prosternal triangle; 51, abdominal segment II, l. v.; 52, IX sternum; 53, lateral filaments of abdomen (female subimago); 54, idem (female imago). Nymph: 55, abdominal tergum II; 56, left half of nymphal pronotum, d. v.; 57, foreclaw; 58, middle claw; 59, hind claw; 60, setae on dorsal transverse row of fore femora; 61, seta on middle tarsi; 62, seta on hind tarsi; 63, foreleg; 64, middle leg; 65, hind leg." httpUri="https://zenodo.org/record/179927/files/figure.png" pageId="13" pageNumber="14">Fig. 50</figureCitation>
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); 3) median filament on abdominal tergum II short (
|
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<figureCitation id="137BBCA64F2FE61AFC208609861DF89B" box="[949,1038,1893,1919]" captionStart="FIGURES 50 – 65" captionStartId="14.[151,269,1843,1867]" captionTargetBox="[182,1424,274,1813]" captionTargetId="figure@14.[162,1424,274,1819]" captionTargetPageId="14" captionText="FIGURES 50 – 65. Caenis gonseri. Female imago: 50, prosternal triangle; 51, abdominal segment II, l. v.; 52, IX sternum; 53, lateral filaments of abdomen (female subimago); 54, idem (female imago). Nymph: 55, abdominal tergum II; 56, left half of nymphal pronotum, d. v.; 57, foreclaw; 58, middle claw; 59, hind claw; 60, setae on dorsal transverse row of fore femora; 61, seta on middle tarsi; 62, seta on hind tarsi; 63, foreleg; 64, middle leg; 65, hind leg." httpUri="https://zenodo.org/record/179927/files/figure.png" pageId="13" pageNumber="14">Fig. 51</figureCitation>
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); 4) fore legs 0.9 times length of body; 5) forceps apically rounded, with small projections apically; 6) central sclerite of styliger circular; 7) apophyses of styliger sclerite, long and broad; 8) lobes of penes generally with straight hind margin, lateral lobes rounded and slightly projected; 9) color of katepisternum similar to the rest of thoracic sclerites; 10) posterolateral filaments present on abdominal segments IV–IX, longer on IV–VII (
|
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<figureCitation id="137BBCA64F2CE619FBF781AC86E1FF3E" box="[1122,1266,192,218]" captionStart="FIGURES 50 – 65" captionStartId="14.[151,269,1843,1867]" captionTargetBox="[182,1424,274,1813]" captionTargetId="figure@14.[162,1424,274,1819]" captionTargetPageId="14" captionText="FIGURES 50 – 65. Caenis gonseri. Female imago: 50, prosternal triangle; 51, abdominal segment II, l. v.; 52, IX sternum; 53, lateral filaments of abdomen (female subimago); 54, idem (female imago). Nymph: 55, abdominal tergum II; 56, left half of nymphal pronotum, d. v.; 57, foreclaw; 58, middle claw; 59, hind claw; 60, setae on dorsal transverse row of fore femora; 61, seta on middle tarsi; 62, seta on hind tarsi; 63, foreleg; 64, middle leg; 65, hind leg." httpUri="https://zenodo.org/record/179927/files/figure.png" pageId="14" pageNumber="15">Figs. 53–54</figureCitation>
|
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).
|
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</paragraph>
|
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<caption id="DF3FF0AB4F2CE619FF02865F8682F858" httpUri="https://zenodo.org/record/179927/files/figure.png" pageId="14" pageNumber="15" targetBox="[182,1424,274,1813]" targetPageId="14">
|
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|
|
<paragraph id="8BFFA0234F2CE619FF02865F8682F858" blockId="14.[151,1436,1843,2021]" pageId="14" pageNumber="15">
|
|||
|
|
<emphasis id="B9347C314F2CE619FF02865F834EF8AF" bold="true" box="[151,349,1843,1867]" pageId="14" pageNumber="15">FIGURES 50–65.</emphasis>
|
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<taxonomicName id="4C40DBA04F2CE619FEF6865F8010F8AE" box="[355,515,1843,1866]" class="Insecta" family="Caenidae" genus="Caenis" kingdom="Animalia" order="Ephemeroptera" pageId="14" pageNumber="15" phylum="Arthropoda" rank="species" species="gonseri">
|
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<emphasis id="B9347C314F2CE619FEF6865F8010F8AE" box="[355,515,1843,1866]" italics="true" pageId="14" pageNumber="15">Caenis gonseri</emphasis>
|
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|
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</taxonomicName>
|
|||
|
|
. Female imago: 50, prosternal triangle; 51, abdominal segment II, l.v.; 52, IX sternum; 53, lateral filaments of abdomen (female subimago); 54, idem (female imago). Nymph: 55, abdominal tergum II; 56, left half of nymphal pronotum, d.v.; 57, foreclaw; 58, middle claw; 59, hind claw; 60, setae on dorsal transverse row of fore femora; 61, seta on middle tarsi; 62, seta on hind tarsi; 63, foreleg; 64, middle leg; 65, hind leg.
|
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</paragraph>
|
|||
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</caption>
|
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<paragraph id="8BFFA0234F2CE618FF5386A7816FFE2E" blockId="14.[151,1436,1843,2021]" lastBlockId="15.[151,1436,152,500]" lastPageId="15" lastPageNumber="16" pageId="14" pageNumber="15">
|
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In the nymph: 1) as only the nymphal exuvia is known, the epidermic coloration of the head was not available, a pair of pale blotches is present on sublateral zones of occiput, hind margin of head with small simple setules; 2) meso- and metacoxal processes present but narrow; 3) serrated setae only in hind tarsi (
|
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|
|
<figureCitation id="137BBCA64F2DE618FA8381AC877EFF3E" box="[1302,1389,192,218]" captionStart="FIGURES 50 – 65" captionStartId="14.[151,269,1843,1867]" captionTargetBox="[182,1424,274,1813]" captionTargetId="figure@14.[162,1424,274,1819]" captionTargetPageId="14" captionText="FIGURES 50 – 65. Caenis gonseri. Female imago: 50, prosternal triangle; 51, abdominal segment II, l. v.; 52, IX sternum; 53, lateral filaments of abdomen (female subimago); 54, idem (female imago). Nymph: 55, abdominal tergum II; 56, left half of nymphal pronotum, d. v.; 57, foreclaw; 58, middle claw; 59, hind claw; 60, setae on dorsal transverse row of fore femora; 61, seta on middle tarsi; 62, seta on hind tarsi; 63, foreleg; 64, middle leg; 65, hind leg." httpUri="https://zenodo.org/record/179927/files/figure.png" pageId="15" pageNumber="16">Fig. 62</figureCitation>
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); 4) tarsal claws relatively slender (denticles apparently worn out) (
|
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|
|
<figureCitation id="137BBCA64F2DE618FC3181848629FEE6" box="[932,1082,232,258]" captionStart="FIGURES 50 – 65" captionStartId="14.[151,269,1843,1867]" captionTargetBox="[182,1424,274,1813]" captionTargetId="figure@14.[162,1424,274,1819]" captionTargetPageId="14" captionText="FIGURES 50 – 65. Caenis gonseri. Female imago: 50, prosternal triangle; 51, abdominal segment II, l. v.; 52, IX sternum; 53, lateral filaments of abdomen (female subimago); 54, idem (female imago). Nymph: 55, abdominal tergum II; 56, left half of nymphal pronotum, d. v.; 57, foreclaw; 58, middle claw; 59, hind claw; 60, setae on dorsal transverse row of fore femora; 61, seta on middle tarsi; 62, seta on hind tarsi; 63, foreleg; 64, middle leg; 65, hind leg." httpUri="https://zenodo.org/record/179927/files/figure.png" pageId="15" pageNumber="16">Figs. 57–59</figureCitation>
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); 5) abdominal color pattern unknown, posteromedian projection of abdominal tergum II relatively short (
|
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|
|
<figureCitation id="137BBCA64F2DE618FB88807C8666FECE" box="[1053,1141,272,298]" captionStart="FIGURES 50 – 65" captionStartId="14.[151,269,1843,1867]" captionTargetBox="[182,1424,274,1813]" captionTargetId="figure@14.[162,1424,274,1819]" captionTargetPageId="14" captionText="FIGURES 50 – 65. Caenis gonseri. Female imago: 50, prosternal triangle; 51, abdominal segment II, l. v.; 52, IX sternum; 53, lateral filaments of abdomen (female subimago); 54, idem (female imago). Nymph: 55, abdominal tergum II; 56, left half of nymphal pronotum, d. v.; 57, foreclaw; 58, middle claw; 59, hind claw; 60, setae on dorsal transverse row of fore femora; 61, seta on middle tarsi; 62, seta on hind tarsi; 63, foreleg; 64, middle leg; 65, hind leg." httpUri="https://zenodo.org/record/179927/files/figure.png" pageId="15" pageNumber="16">Fig. 55</figureCitation>
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); 6) labrum with shallow and smooth anteromedian emargination; 7) segment II of labial palp 1.44 times the length of segment III; 8) lingua of hypopharynx with concave fore margin (similar to
|
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|
<figureCitation id="137BBCA64F2DE618FCF2800C81DEFE9E" box="[871,973,352,378]" captionStart="FIGURES 139 – 157" captionStartId="22.[151,269,1675,1699]" captionTargetBox="[187,1404,641,1645]" captionTargetId="figure@22.[173,1413,634,1651]" captionTargetPageId="22" captionText="FIGURES 139 – 157. Left and right mandibles, d. v.: 139 – 140, C. argentina; 141 – 142, C. burmeisteri; 143 – 144, C. dominguezi; 145 – 146, C. gonseri; 147 – 148, C. tenella; 149 – 150, C. ludicra; 151 – 152, C. plaumanni; 153 – 154, C. uruzu. Hypopharynx, v. v.: 155, C. burmeisteri; 156, C. dominguezi; 157, C. tenella." httpUri="https://zenodo.org/record/179932/files/figure.png" pageId="15" pageNumber="16">Fig. 156</figureCitation>
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); 9) IX sternum apically rounded, hind margin with simple setae, few setae apically bent inwards; 10) dorsum of gill II only with simple setae; 11) dorsum of all femora with numerous long spines (
|
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|
|
<figureCitation id="137BBCA64F2DE618FD4A80DC8163FE2E" box="[735,880,432,458]" captionStart="FIGURES 50 – 65" captionStartId="14.[151,269,1843,1867]" captionTargetBox="[182,1424,274,1813]" captionTargetId="figure@14.[162,1424,274,1819]" captionTargetPageId="14" captionText="FIGURES 50 – 65. Caenis gonseri. Female imago: 50, prosternal triangle; 51, abdominal segment II, l. v.; 52, IX sternum; 53, lateral filaments of abdomen (female subimago); 54, idem (female imago). Nymph: 55, abdominal tergum II; 56, left half of nymphal pronotum, d. v.; 57, foreclaw; 58, middle claw; 59, hind claw; 60, setae on dorsal transverse row of fore femora; 61, seta on middle tarsi; 62, seta on hind tarsi; 63, foreleg; 64, middle leg; 65, hind leg." httpUri="https://zenodo.org/record/179927/files/figure.png" pageId="15" pageNumber="16">Figs. 63–65</figureCitation>
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).
|
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</paragraph>
|
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<paragraph id="8BFFA0234F2DE618FF5380B481EFFE10" blockId="15.[151,1436,152,500]" box="[198,1020,472,500]" pageId="15" pageNumber="16">
|
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Distribution (
|
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|
<figureCitation id="137BBCA64F2DE618FEE780B483F1FE10" box="[370,482,472,500]" captionStart="FIGURES 185 – 188" captionStartId="29.[151,269,1964,1988]" captionText="FIGURES 185 – 188. Distribution maps." pageId="15" pageNumber="16">Fig. 188</figureCitation>
|
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).
|
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|
|
<taxonomicName id="4C40DBA04F2DE618FE6C80B4806AFE10" box="[505,633,472,500]" class="Insecta" family="Caenidae" genus="Caenis" kingdom="Animalia" order="Ephemeroptera" pageId="15" pageNumber="29" phylum="Arthropoda" rank="species" species="argentina">
|
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<collectingCountry id="F357E0B34F2DE618FE6C80B4806AFE10" box="[505,633,472,500]" name="Argentina" pageId="15" pageNumber="16">Argentina</collectingCountry>
|
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</taxonomicName>
|
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|
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(Neuquén, Río Negro),
|
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<collectingCountry id="F357E0B34F2DE618FC3A80B481EBFE10" box="[943,1016,472,500]" name="Chile" pageId="15" pageNumber="16">Chile</collectingCountry>
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.
|
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</paragraph>
|
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|
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</subSubSection>
|
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</treatment>
|
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</document>
|