treatments-xml/data/03/95/97/03959737FFE6203211B58C90FE6D6DC7.xml

<document id="6E6E8252F5CB960F09AD041701842418" ID-DOI="10.1515/aemnp-2017-0087" ID-ISSN="0374-1036" ID-Zenodo-Dep="10101344" ID-ZooBank="EC4E5771-9B5E-4745-BB24-556963D657B7" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" checkinTime="1630129091855" checkinUser="marcus" docAuthor="Gustafson, Grey T. &amp; Short, Andrew E. Z." docDate="2017" docId="03959737FFE6203211B58C90FE6D6DC7" docLanguage="en" docName="ActaEntMusNatPra.2017.57.2.479-520.imf" docOrigin="Acta Entomologica Musei Nationalis Pragae 57 (2)" docStyle="DocumentStyle:60E99616ED1F2F5EE637DA5E5309A4D2.7:ActaEntMusNatPra.2017.journal_article" docStyleId="60E99616ED1F2F5EE637DA5E5309A4D2" docStyleName="ActaEntMusNatPra.2017.journal_article" docStyleVersion="7" docTitle="Gyrinus (Neogyrinus) rozei Ochs 1953" docType="treatment" docVersion="4" lastPageNumber="499" masterDocId="FFACEF4FFFF4202610128802FFA16F54" masterDocTitle="Review of the whirligig beetle genus Gyrinus of Venezuela (Coleoptera: Gyrinidae)" masterLastPageNumber="520" masterPageNumber="479" pageNumber="497" updateTime="1699613931733" updateUser="ExternalLinkService">
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<mods:title id="223FE344335D3AE55DABA472E8984A1B">Review of the whirligig beetle genus Gyrinus of Venezuela (Coleoptera: Gyrinidae)</mods:title>
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<mods:namePart id="C5005C2F8A7EC48E8BA63E1BD5F6FC0A">Gustafson, Grey T.</mods:namePart>
<mods:affiliation id="8EAEEAA13E04A123C10779CD0A730F53">) &amp; 1,2) &amp;) Department of Ecology and Evolutionary Biology, University of Kansas, Lawrence, KS 66045, USA; e-mail: gtgustafson @ gmail. com</mods:affiliation>
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<mods:namePart id="3B420492289DC407F53952DB5109DD8C">Short, Andrew E. Z.</mods:namePart>
<mods:affiliation id="DD8BC8BBFC0427254B2C45DFD24B6C5E">) &amp; 1,2) &amp;) Department of Ecology and Evolutionary Biology, University of Kansas, Lawrence, KS 66045, USA; e-mail: gtgustafson @ gmail. com &amp; 1,2) &amp;) Division of Entomology, Biodiversity Institute, University of Kansas, Lawrence, KS 66045, USA; e-mail: aezshort @ ku. edu</mods:affiliation>
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<paragraph id="8B832621FFE6203411B58C90FCF76BFE" blockId="18.[423,854,1170,1194]" box="[423,854,1170,1194]" pageId="18" pageNumber="497">
<heading id="D0CB914DFFE6203411B58C90FCF76BFE" bold="true" box="[423,854,1170,1194]" centered="true" fontSize="8" level="2" pageId="18" pageNumber="497" reason="3">
<taxonomicName id="4C3C5DA2FFE6203411B58C90FCF76BFE" authority="Ochs, 1953" authorityName="Ochs" authorityYear="1953" box="[423,854,1170,1194]" class="Insecta" family="Gyrinidae" genus="Gyrinus" kingdom="Animalia" order="Coleoptera" pageId="18" pageNumber="497" phylum="Arthropoda" rank="species" species="rozei" subGenus="Neogyrinus">
<emphasis id="B948FA33FFE6203411B58C90FCF76BFE" bold="true" box="[423,854,1170,1194]" pageId="18" pageNumber="497">
<emphasis id="B948FA33FFE6203411B58C90FDA16BFE" bold="true" box="[423,512,1170,1194]" italics="true" pageId="18" pageNumber="497">Gyrinus</emphasis>
(
<emphasis id="B948FA33FFE62034121D8C90FD2F6BFE" bold="true" box="[527,654,1170,1194]" italics="true" pageId="18" pageNumber="497">Neogyrinus</emphasis>
) 
<emphasis id="B948FA33FFE62034128C8C90FD726BFE" bold="true" box="[670,723,1170,1194]" italics="true" pageId="18" pageNumber="497">rozei</emphasis>
<bibRefCitation id="EFAD5BD0FFE6203412C88C91FCF76BFE" author="OCHS G." box="[730,854,1171,1194]" pageId="18" pageNumber="497" pagination="181 - 208" refId="ref21976" refString="OCHS G. 1953: Der jetzige Stand unserer Kenntnise uber die Gyriniden-Fauna von Venezuela. Acta Biologica Venezuelica 1: 181 - 208." type="journal article" year="1953">Ochs, 1953</bibRefCitation>
</emphasis>
</taxonomicName>
</heading>
</paragraph>
</subSubSection>
<subSubSection id="C32675AAFFE6203411CF8CB3FC816B90" box="[477,800,1201,1220]" pageId="18" pageNumber="497" type="description">
<paragraph id="8B832621FFE6203411CF8CB3FC816B90" blockId="18.[151,800,1201,1254]" box="[477,800,1201,1220]" pageId="18" pageNumber="497">
(
<figureCitation id="13073AA4FFE6203411F18CB3FDBA6B90" box="[483,539,1201,1220]" captionStart="Figs 1–6" captionStartId="6.[151,188,1505,1524]" captionTargetBox="[186,1091,219,1489]" captionTargetId="figure-10@6.[186,1092,219,1489]" captionTargetPageId="6" captionText="Figs 1–6. Dorsal habitus of Neogyrinus species, scale bar = 1 mm. 1 – Gyrinus sabanensis sp. nov. 2 – G. gibbus Aubé, 1838 from Amazonian Venezuela. 3 – G. ovatus Aubé, 1838. 4 – G. guianus Ochs, 1935. 5 – G. gibbus ‘var. apicalis’ Sharp, 1877 from Caracas valley, Venezuela. 6 – G. rozei Ochs, 1953." figureDoi="http://doi.org/10.5281/zenodo.10101346" httpUri="https://zenodo.org/record/10101346/files/figure.png" pageId="18" pageNumber="497">Figs 6</figureCitation>
, 
<figureCitation id="13073AA4FFE6203412368CB3FD9A6B90" box="[548,571,1201,1220]" captionStart="Figs 22–24. 22–23" captionStartId="13.[113,150,875,894]" captionTargetBox="[145,1058,219,865]" captionTargetId="figure-12@13.[145,1058,219,865]" captionTargetPageId="13" captionText="Figs 22–24. 22–23 – SEM images of G. guianus Ochs, 1935 elytral morphology. 22 – elytron, box indicates region shown in Fig. 23, scale bar = 1 mm. 23 – elytral apex, arrow indicates medial pre-apical plica. 24 – elytron of G. rozei Ochs, 1953, scale bar = 1 mm." figureDoi="http://doi.org/10.5281/zenodo.10101354" httpUri="https://zenodo.org/record/10101354/files/figure.png" pageId="18" pageNumber="497">24</figureCitation>
, 
<figureCitation id="13073AA4FFE6203412568CB3FDDD6B90" box="[580,636,1201,1220]" captionStart="Figs 25–28" captionStartId="13.[113,150,1522,1541]" captionTargetBox="[153,1049,959,1511]" captionTargetId="figure-65@13.[152,1049,959,1511]" captionTargetPageId="13" captionText="Figs 25–28. SEM images of elytral interval reticulation and strial punctures. 25–26 – G. guianus Ochs, 1935. 25 – intervals II and III, striae I–III. 26 – intervals IX and X, striae VIII–X. 27–28 – G. rozei Ochs, 1953. 27 – intervals II and III, striae I–III. 28 – intervals IX and X, striae VIII–X." figureDoi="http://doi.org/10.5281/zenodo.10101356" httpUri="https://zenodo.org/record/10101356/files/figure.png" pageId="18" pageNumber="497">27–28</figureCitation>
, 
<figureCitation id="13073AA4FFE6203412968CB3FD3A6B90" box="[644,667,1201,1220]" captionStart="Figs 29–33" captionStartId="17.[113,150,1544,1563]" captionTargetBox="[166,1031,224,1493]" captionTargetId="figure-12@17.[162,1039,219,1500]" captionTargetPageId="17" captionText="Figs 29–33. Dorsal and lateral view of the aedeagus of Neogyrinus species, not to scale. 29 – G. ovatus Aubé, 1838. 30 – G. sabanensis sp. nov. 31 – G. guianus Ochs, 1935. 32 – G. rozei Ochs, 1953." figureDoi="http://doi.org/10.5281/zenodo.10101358" httpUri="https://zenodo.org/record/10101358/files/figure.png" pageId="18" pageNumber="497">32</figureCitation>
, 
<figureCitation id="13073AA4FFE6203412B68CB3FD1A6B90" box="[676,699,1201,1220]" captionStart="Figs 51–59" captionStartId="32.[151,188,1435,1454]" captionTargetBox="[178,1103,221,1394]" captionTargetId="figure-10@32.[151,1126,212,1417]" captionTargetPageId="32" captionText="Figs 51–59. Ventral view of gonocoxae of Venezuelan Gyrinus species, not to scale. 51–56 – Neogyrinus species. 51 – G. gibbus Aubé, 1838 from Caracas valley, Venezuela (FMNH). 52 – G. gibbus from Amazonian Venezuela: Amazonas stream along Rio Sipapo (KBMC). 53 – G. ovatus Aubé, 1838 from Venezuela: Falcón: W. Curimagua, Blackwater Lagoon.54 – G. guianus Ochs, 1935 from Amazonian Venezuela:Amazonas:river near Orinoco /Sipapo confluence (KBMC). 55 – G. rozei Ochs, 1953. 56 – G. sabanensis sp. nov. 57–59 – Oreogyrinus species: 57 – G. iridinus sp. nov. 58 – G. venezolensis Ochs, 1953. 59 – G. vinolentus sp. nov." figureDoi="http://doi.org/10.5281/zenodo.10101372" httpUri="https://zenodo.org/record/10101372/files/figure.png" pageId="18" pageNumber="497">55</figureCitation>
, 
<figureCitation id="13073AA4FFE6203412D68CB3FD7A6B90" box="[708,731,1201,1220]" captionStart="Figs 68–71" captionStartId="35.[111,148,966,985]" captionTargetBox="[111,1086,219,945]" captionTargetId="figure-12@35.[111,1086,219,945]" captionTargetPageId="35" captionText="Figs 68–71. Habitat of Gyrinus species in the Guiana Shield region of Venezuela. 68 – Bolívar State, Gran Sabana, collecting event AS-08-063, habitat of G. rozei Ochs, 1953. 69 – Bolívar State, Gran Sabana, collecting event AS- 08-066, habitat of G. sabanensis sp. nov. 70 – Amazonas, tributary of the Rio Sipapo, collecting event VZ09-0116- 02X, habitat of G. guianus Ochs, 1935 and G. gibbus Aubé, 1838. 71 – Bolívar State, 25 km E. El Burro, collecting event AS-08-077, habitat of G. gibbus." figureDoi="http://doi.org/10.5281/zenodo.10101374" httpUri="https://zenodo.org/record/10101374/files/figure.png" pageId="18" pageNumber="497">68</figureCitation>
, 
<figureCitation id="13073AA4FFE6203412F68CB3FD5A6B90" box="[740,763,1201,1220]" captionStart="Figs 72–75" captionStartId="36.[151,188,1051,1070]" captionTargetBox="[151,1129,220,1035]" captionTargetId="figure-182@36.[151,1129,220,1037]" captionTargetPageId="36" captionText="Figs 72–75. Distribution maps of Gyrinus species within Venezuela." figureDoi="http://doi.org/10.5281/zenodo.10101376" httpUri="https://zenodo.org/record/10101376/files/figure.png" pageId="18" pageNumber="497">73</figureCitation>
, 
<figureCitation id="13073AA4FFE6203413168CB3FCBB6B90" box="[772,794,1201,1220]" captionStart="Figs 76–81" captionStartId="38.[152,189,1467,1486]" captionTargetBox="[166,1112,219,1445]" captionTargetId="figure-10@38.[166,1112,219,1445]" captionTargetPageId="38" captionText="Figs 76–81. Type specimens and associated labels. 76 – Gyrinus amazonicus Ochs, 1958, paratype male (BMNH). 77 – G. guianus Ochs, 1935, holotype female (BMNH). 78 – G. racenisi Ochs, 1953, paratype female (SMF). 79 – G. rozei Ochs, 1953, paratype male (SMF). 80 – G. venezolensis Ochs, 1953, paratypes, male and female (SMF). 81 – G. opalinus Régimbart, 1883, syntype male and labels (MNHN)." figureDoi="http://doi.org/10.5281/zenodo.10101378" httpUri="https://zenodo.org/record/10101378/files/figure.png" pageId="18" pageNumber="497">79</figureCitation>
)
</paragraph>
</subSubSection>
<subSubSection id="C32675AAFFE6203410858CD1FD756BB2" box="[151,724,1235,1254]" pageId="18" pageNumber="497" type="reference_group">
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<treatmentCitationGroup id="AB2C010FFFE6203410858CD1FD756BB2" box="[151,724,1235,1254]" pageId="18" pageNumber="497">
<treatmentCitation id="0A9D0030FFE6203410858CD1FDB26BB2" author="OCHS G." box="[151,531,1235,1254]" page="186" pageId="18" pageNumber="497" year="1953">
<taxonomicName id="4C3C5DA2FFE6203410858CD1FDB26BB2" authority="Ochs, 1953: 186" authorityName="Ochs" authorityPageNumber="186" authorityYear="1953" box="[151,531,1235,1254]" class="Insecta" family="Gyrinidae" genus="Gyrinus" kingdom="Animalia" order="Coleoptera" pageId="18" pageNumber="497" phylum="Arthropoda" rank="species" species="rozei" subGenus="Neogyrinus">
<emphasis id="B948FA33FFE6203410858CD1FF7D6BB2" box="[151,220,1235,1254]" italics="true" pageId="18" pageNumber="497">Gyrinus</emphasis>
(
<emphasis id="B948FA33FFE6203410FA8CD1FEEB6BB2" box="[232,330,1235,1254]" italics="true" pageId="18" pageNumber="497">Neogyrinus</emphasis>
) 
<emphasis id="B948FA33FFE6203411458CD1FE206BB2" box="[343,385,1235,1254]" italics="true" pageId="18" pageNumber="497">rozei</emphasis>
<bibRefCitation id="EFAD5BD0FFE6203411948CD1FDB26BB2" author="OCHS G." box="[390,531,1235,1254]" pageId="18" pageNumber="497" pagination="181 - 208" refId="ref21976" refString="OCHS G. 1953: Der jetzige Stand unserer Kenntnise uber die Gyriniden-Fauna von Venezuela. Acta Biologica Venezuelica 1: 181 - 208." type="journal article" year="1953">Ochs, 1953: 186</bibRefCitation>
</taxonomicName>
</treatmentCitation>
(original description).
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</paragraph>
</subSubSection>
<subSubSection id="C32675AAFFE6203410858CFFFCA26961" pageId="18" pageNumber="497" type="materials_examined">
<paragraph id="8B832621FFE6203410858CFFFDE56A44" blockId="18.[151,1128,1277,1589]" box="[151,580,1277,1296]" pageId="18" pageNumber="497">
<emphasis id="B948FA33FFE6203410858CFFFEB16A44" bold="true" box="[151,272,1277,1296]" pageId="18" pageNumber="497">
<typeStatus id="54879883FFE6203410858CFFFF656A44" box="[151,196,1277,1296]" pageId="18" pageNumber="497">Type</typeStatus>
locality.
</emphasis>
‘Espino, Est. Guárico’ [
<collectingCountry id="F32B66B1FFE6203411CE8CFFFD9A6A44" box="[476,571,1277,1296]" name="Venezuela" pageId="18" pageNumber="497">Venezuela</collectingCountry>
].
</paragraph>
<paragraph id="8B832621FFE6203410858D1AFEFE6AC1" blockId="18.[151,1128,1277,1589]" pageId="18" pageNumber="497">
<emphasis id="B948FA33FFE6203410858D1AFED86A7F" bold="true" box="[151,377,1304,1323]" pageId="18" pageNumber="497">Type material examined.</emphasis>
<typeStatus id="54879883FFE62034116F8D1AFE6D6A7D" box="[381,460,1304,1323]" pageId="18" pageNumber="497" type="paratype">PARATYPE</typeStatus>
: J (
<figureCitation id="13073AA4FFE6203411E18D1AFD926A7F" box="[499,563,1304,1323]" captionStart="Figs 76–81" captionStartId="38.[152,189,1467,1486]" captionTargetBox="[166,1112,219,1445]" captionTargetId="figure-10@38.[166,1112,219,1445]" captionTargetPageId="38" captionText="Figs 76–81. Type specimens and associated labels. 76 – Gyrinus amazonicus Ochs, 1958, paratype male (BMNH). 77 – G. guianus Ochs, 1935, holotype female (BMNH). 78 – G. racenisi Ochs, 1953, paratype female (SMF). 79 – G. rozei Ochs, 1953, paratype male (SMF). 80 – G. venezolensis Ochs, 1953, paratypes, male and female (SMF). 81 – G. opalinus Régimbart, 1883, syntype male and labels (MNHN)." figureDoi="http://doi.org/10.5281/zenodo.10101378" httpUri="https://zenodo.org/record/10101378/files/figure.png" pageId="18" pageNumber="497">Fig. 79</figureCitation>
), ‘J [beige label, typed black ink]’ ‘ESPINO, GUÁR. / 
<date id="FF8200E1FFE6203414038D1AFBC66A7F" box="[1041,1127,1304,1323]" pageId="18" pageNumber="497" value="1950-03-28">28.3.1950</date>
/ RACENIS leg. [beige label handwritten in pencil]’ ‘R: 43 [beige label, typed black ink]’ ‘Coll. / G.Ochs [white label, typed black ink] ‘Para- / typoid / SMC C 9259 [red label, black border, typed black ink]’ ‘Senckenberg- / Museum / Frankfurt / Main [white label, typed black ink]’ ‘ 
<taxonomicName id="4C3C5DA2FFE6203412888D6AFD5A6A2F" authority="Ochs" authorityName="Ochs" authorityYear="1953" box="[666,763,1384,1403]" class="Insecta" family="Gyrinidae" genus="Gyrinus" kingdom="Animalia" order="Coleoptera" pageId="18" pageNumber="497" phylum="Arthropoda" rank="species" species="rozei">rozei Ochs</taxonomicName>
[beige label, handwritten, blue ink, handwriting Ochs’]’ (
<collectionCode id="ED2DBEE4FFE6203411378D80FEF56AC1" box="[293,340,1410,1429]" country="Germany" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34838" lsid="urn:lsid:biocol.org:col:34838" name="Forschungsinstitut und Natur-Museum Senckenberg" pageId="18" pageNumber="497">SMF</collectionCode>
).
</paragraph>
<paragraph id="8B832621FFE6203410858D9FFCA26961" blockId="18.[151,1128,1277,1589]" pageId="18" pageNumber="497">
<emphasis id="B948FA33FFE6203410858D9FFE266AE4" bold="true" box="[151,391,1437,1456]" pageId="18" pageNumber="497">Other material examined.</emphasis>
<materialsCitation id="3B542C7CFFE62034119C8D9FFD306A9F" collectingDate="2009-01-13" collectionCode="KBMC" collectorName="Short &amp; Miller, VZ" country="Venezuela" latitude="5.8069" location="Tobogancito'" longLatPrecision="1" longitude="-67.43855" municipality="Iboruwa" pageId="18" pageNumber="497" specimenCount="1" stateProvince="Amazonas">
<emphasis id="B948FA33FFE62034119C8D9FFD256AE4" bold="true" box="[398,644,1437,1456]" pageId="18" pageNumber="497">
<collectingCountry id="F32B66B1FFE62034119C8D9FFDB76AE4" box="[398,534,1437,1456]" name="Venezuela" pageId="18" pageNumber="497">VENEZUELA</collectingCountry>
: 
<collectingRegion id="49F8E8C3FFE6203412338D9FFDDC6AFA" box="[545,637,1437,1456]" country="Venezuela" name="Amazonas" pageId="18" pageNumber="497">AMAZONAS</collectingRegion>
:
</emphasis>
nr 
<collectingMunicipality id="6BE7BC5BFFE6203412B78D9FFD4F6AE4" box="[677,750,1437,1456]" pageId="18" pageNumber="497">Iboruwa</collectingMunicipality>
, ‘ 
<location id="8EE370FAFFE6203412EE8D9FFCD26AE4" LSID="urn:lsid:plazi:treatment:03959737FFE6203211B58C90FE6D6DC7:8EE370FAFFE6203412EE8D9FFCD26AE4" box="[764,883,1437,1456]" country="Venezuela" latitude="5.8069" longLatPrecision="1" longitude="-67.43855" municipality="Iboruwa" name="Tobogancito'" pageId="18" pageNumber="497" stateProvince="Amazonas">Tobogancito’</location>
, 
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, 
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, 
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, leg. 
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&amp; 
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09011302 (
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:
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<location id="8EE370FAFFE6203412FB8DBAFCCE6A9F" LSID="urn:lsid:plazi:treatment:03959737FFE6203211B58C90FE6D6DC7:8EE370FAFFE6203412FB8DBAFCCE6A9F" box="[745,879,1464,1483]" country="Venezuela" latitude="5.741306" name="E of Kavanaven" pageId="18" pageNumber="497" stateProvince="Bolivar">Eof Kavanaven</location>
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, 61°30’54.3’W, 
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, leg. 
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&amp; 
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, large vegetated marsh, AS-08-063, SM0829943, SM0829938 (
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; 
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, 
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, 
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, 
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, leg. 
<collectorName id="26C943F7FFE62034139C8DEFFC1D6954" box="[910,956,1517,1536]" pageId="18" pageNumber="497">Short</collectorName>
&amp; 
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, roadside pond, AS-08-067, SM0829320 (
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)
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. 
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:
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<location id="8EE370FAFFE62034129E8E0AFC20694F" LSID="urn:lsid:plazi:treatment:03959737FFE6203211B58C90FE6D6DC7:8EE370FAFFE62034129E8E0AFC20694F" box="[652,897,1544,1563]" country="Venezuela" latitude="8.138267" longLatPrecision="1" longitude="-66.40765" name="San Nicolasito Field Station" pageId="18" pageNumber="497" stateProvince="Guarico">San Nicolasito Field Station</location>
, 
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, 
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, 
<date id="FF8200E1FFE6203410858E20FF4B6961" box="[151,234,1570,1589]" pageId="18" pageNumber="497" value="2009-01-10">
<collectingDate id="EFC6F909FFE6203410858E20FF4B6961" box="[151,234,1570,1589]" pageId="18" pageNumber="497" value="2009-01-10">10.i.2009</collectingDate>
</date>
, leg. 
<collectorName id="26C943F7FFE6203411058E20FEE46961" box="[279,325,1570,1589]" pageId="18" pageNumber="497">Short</collectorName>
&amp; 
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, 
<collectorName id="26C943F7FFE6203411B28E20FDB56961" box="[416,532,1570,1589]" pageId="18" pageNumber="497">Morichal, VZ</collectorName>
09011002 (
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)
</materialsCitation>
.
</paragraph>
</subSubSection>
<subSubSection id="C32675AAFFE72035106388DEFE5E6C47" pageId="19" pageNumber="498" type="diagnosis">
<paragraph id="8B832621FFE72035106388DEFE866E87" blockId="19.[113,1089,220,1587]" pageId="19" pageNumber="498">
<emphasis id="B948FA33FFE72035106388DEFF476FA7" bold="true" box="[113,230,220,243]" pageId="19" pageNumber="498">Diagnosis.</emphasis>
Body form (
<figureCitation id="13073AA4FFE72035116088DEFE126FA7" box="[370,435,220,243]" captionStart="Figs 1–6" captionStartId="6.[151,188,1505,1524]" captionTargetBox="[186,1091,219,1489]" captionTargetId="figure-10@6.[186,1092,219,1489]" captionTargetPageId="6" captionText="Figs 1–6. Dorsal habitus of Neogyrinus species, scale bar = 1 mm. 1 – Gyrinus sabanensis sp. nov. 2 – G. gibbus Aubé, 1838 from Amazonian Venezuela. 3 – G. ovatus Aubé, 1838. 4 – G. guianus Ochs, 1935. 5 – G. gibbus ‘var. apicalis’ Sharp, 1877 from Caracas valley, Venezuela. 6 – G. rozei Ochs, 1953." figureDoi="http://doi.org/10.5281/zenodo.10101346" httpUri="https://zenodo.org/record/10101346/files/figure.png" pageId="19" pageNumber="498">Fig. 6</figureCitation>
) narrowly oval, weakly convex in lateral view; pronotal and elytral margins broad, lighter in color, often yellow; elytral disc with mostly uniform reticulation, bronzy-metallic in appearance; striae II–XI (
<figureCitation id="13073AA4FFE720351284891EFD456E67" box="[662,740,284,307]" captionStart="Figs 22–24. 22–23" captionStartId="13.[113,150,875,894]" captionTargetBox="[145,1058,219,865]" captionTargetId="figure-12@13.[145,1058,219,865]" captionTargetPageId="13" captionText="Figs 22–24. 22–23 – SEM images of G. guianus Ochs, 1935 elytral morphology. 22 – elytron, box indicates region shown in Fig. 23, scale bar = 1 mm. 23 – elytral apex, arrow indicates medial pre-apical plica. 24 – elytron of G. rozei Ochs, 1953, scale bar = 1 mm." figureDoi="http://doi.org/10.5281/zenodo.10101354" httpUri="https://zenodo.org/record/10101354/files/figure.png" pageId="19" pageNumber="498">Fig. 24</figureCitation>
) evident with distinct punctures, striae VI–IX sulcate; elytral intervals all evenly convex; elytral apex obliquely truncate (
<figureCitation id="13073AA4FFE720351404893EFF2E6E27" captionStart="Figs 22–24. 22–23" captionStartId="13.[113,150,875,894]" captionTargetBox="[145,1058,219,865]" captionTargetId="figure-12@13.[145,1058,219,865]" captionTargetPageId="13" captionText="Figs 22–24. 22–23 – SEM images of G. guianus Ochs, 1935 elytral morphology. 22 – elytron, box indicates region shown in Fig. 23, scale bar = 1 mm. 23 – elytral apex, arrow indicates medial pre-apical plica. 24 – elytron of G. rozei Ochs, 1953, scale bar = 1 mm." figureDoi="http://doi.org/10.5281/zenodo.10101354" httpUri="https://zenodo.org/record/10101354/files/figure.png" pageId="19" pageNumber="498">Fig. 24</figureCitation>
), complete border faintly evident, epipleural angle distinct, never with denticle; metanepisternal ostiole absent; aedeagus (
<figureCitation id="13073AA4FFE7203511F8897EFD986EC7" box="[490,569,380,403]" captionStart="Figs 29–33" captionStartId="17.[113,150,1544,1563]" captionTargetBox="[166,1031,224,1493]" captionTargetId="figure-12@17.[162,1039,219,1500]" captionTargetPageId="17" captionText="Figs 29–33. Dorsal and lateral view of the aedeagus of Neogyrinus species, not to scale. 29 – G. ovatus Aubé, 1838. 30 – G. sabanensis sp. nov. 31 – G. guianus Ochs, 1935. 32 – G. rozei Ochs, 1953." figureDoi="http://doi.org/10.5281/zenodo.10101358" httpUri="https://zenodo.org/record/10101358/files/figure.png" pageId="19" pageNumber="498">Fig. 32</figureCitation>
) with median lobe nearly as long as parameres, broad, apex truncate; gonocoxae (
<figureCitation id="13073AA4FFE7203511F0899EFD906EE7" box="[482,561,412,435]" captionStart="Figs 51–59" captionStartId="32.[151,188,1435,1454]" captionTargetBox="[178,1103,221,1394]" captionTargetId="figure-10@32.[151,1126,212,1417]" captionTargetPageId="32" captionText="Figs 51–59. Ventral view of gonocoxae of Venezuelan Gyrinus species, not to scale. 51–56 – Neogyrinus species. 51 – G. gibbus Aubé, 1838 from Caracas valley, Venezuela (FMNH). 52 – G. gibbus from Amazonian Venezuela: Amazonas stream along Rio Sipapo (KBMC). 53 – G. ovatus Aubé, 1838 from Venezuela: Falcón: W. Curimagua, Blackwater Lagoon.54 – G. guianus Ochs, 1935 from Amazonian Venezuela:Amazonas:river near Orinoco /Sipapo confluence (KBMC). 55 – G. rozei Ochs, 1953. 56 – G. sabanensis sp. nov. 57–59 – Oreogyrinus species: 57 – G. iridinus sp. nov. 58 – G. venezolensis Ochs, 1953. 59 – G. vinolentus sp. nov." figureDoi="http://doi.org/10.5281/zenodo.10101372" httpUri="https://zenodo.org/record/10101372/files/figure.png" pageId="19" pageNumber="498">Fig. 55</figureCitation>
) short, apices strongly emarginate, medial angle strongly pointed.
</paragraph>
<paragraph id="8B832621FFE72035108289DEFE5E6C47" blockId="19.[113,1089,220,1587]" pageId="19" pageNumber="498">
<taxonomicName id="4C3C5DA2FFE72035108289DEFE836EA7" authorityName="Ochs" authorityYear="1953" box="[144,290,476,499]" class="Insecta" family="Gyrinidae" genus="Gyrinus" kingdom="Animalia" order="Coleoptera" pageId="19" pageNumber="498" phylum="Arthropoda" rank="species" species="rozei">
<emphasis id="B948FA33FFE72035108289DEFE836EA7" box="[144,290,476,499]" italics="true" pageId="19" pageNumber="498">Gyrinus rozei</emphasis>
</taxonomicName>
is most similar to 
<taxonomicName id="4C3C5DA2FFE7203511E389DEFDC96EA7" authorityName=": OCHS" authorityYear="1935" box="[497,616,476,499]" class="Insecta" family="Gyrinidae" genus="Gyrinus" kingdom="Animalia" order="Coleoptera" pageId="19" pageNumber="498" phylum="Arthropoda" rank="species" species="guianus">
<emphasis id="B948FA33FFE7203511E389DEFDC96EA7" box="[497,616,476,499]" italics="true" pageId="19" pageNumber="498">G. guianus</emphasis>
</taxonomicName>
but can be distinguished from the latter by having the elytral striae much more apparent, with striae II–XI easily evident (
<figureCitation id="13073AA4FFE7203513BB89FEFC596D47" box="[937,1016,508,531]" captionStart="Figs 22–24. 22–23" captionStartId="13.[113,150,875,894]" captionTargetBox="[145,1058,219,865]" captionTargetId="figure-12@13.[145,1058,219,865]" captionTargetPageId="13" captionText="Figs 22–24. 22–23 – SEM images of G. guianus Ochs, 1935 elytral morphology. 22 – elytron, box indicates region shown in Fig. 23, scale bar = 1 mm. 23 – elytral apex, arrow indicates medial pre-apical plica. 24 – elytron of G. rozei Ochs, 1953, scale bar = 1 mm." figureDoi="http://doi.org/10.5281/zenodo.10101354" httpUri="https://zenodo.org/record/10101354/files/figure.png" pageId="19" pageNumber="498">Fig. 24</figureCitation>
), compared to VI–XI in 
<taxonomicName id="4C3C5DA2FFE72035112A8A1EFE0C6D67" authorityName=": OCHS" authorityYear="1935" box="[312,429,540,563]" class="Insecta" family="Gyrinidae" genus="Gyrinus" kingdom="Animalia" order="Coleoptera" pageId="19" pageNumber="498" phylum="Arthropoda" rank="species" species="guianus">
<emphasis id="B948FA33FFE72035112A8A1EFE0C6D67" box="[312,429,540,563]" italics="true" pageId="19" pageNumber="498">G. guianus</emphasis>
</taxonomicName>
(
<figureCitation id="13073AA4FFE7203511AF8A1EFDAC6D67" box="[445,525,540,563]" captionStart="Figs 22–24. 22–23" captionStartId="13.[113,150,875,894]" captionTargetBox="[145,1058,219,865]" captionTargetId="figure-12@13.[145,1058,219,865]" captionTargetPageId="13" captionText="Figs 22–24. 22–23 – SEM images of G. guianus Ochs, 1935 elytral morphology. 22 – elytron, box indicates region shown in Fig. 23, scale bar = 1 mm. 23 – elytral apex, arrow indicates medial pre-apical plica. 24 – elytron of G. rozei Ochs, 1953, scale bar = 1 mm." figureDoi="http://doi.org/10.5281/zenodo.10101354" httpUri="https://zenodo.org/record/10101354/files/figure.png" pageId="19" pageNumber="498">Fig. 22</figureCitation>
). 
<taxonomicName id="4C3C5DA2FFE7203512338A1EFD136D67" authorityName="Ochs" authorityYear="1953" box="[545,690,540,563]" class="Insecta" family="Gyrinidae" genus="Gyrinus" kingdom="Animalia" order="Coleoptera" pageId="19" pageNumber="498" phylum="Arthropoda" rank="species" species="rozei">
<emphasis id="B948FA33FFE7203512338A1EFD136D67" box="[545,690,540,563]" italics="true" pageId="19" pageNumber="498">Gyrinus rozei</emphasis>
</taxonomicName>
can further be distinguished from 
<taxonomicName id="4C3C5DA2FFE7203514358A1EFF646D07" authorityName=": OCHS" authorityYear="1935" class="Insecta" family="Gyrinidae" genus="Gyrinus" kingdom="Animalia" order="Coleoptera" pageId="19" pageNumber="498" phylum="Arthropoda" rank="species" species="guianus">
<emphasis id="B948FA33FFE7203514358A1EFF646D07" italics="true" pageId="19" pageNumber="498">G. guianus</emphasis>
</taxonomicName>
in having the striae composed of distinct round punctures (
<figureCitation id="13073AA4FFE7203513248A3EFC256D07" box="[822,900,572,595]" captionStart="Figs 25–28" captionStartId="13.[113,150,1522,1541]" captionTargetBox="[153,1049,959,1511]" captionTargetId="figure-65@13.[152,1049,959,1511]" captionTargetPageId="13" captionText="Figs 25–28. SEM images of elytral interval reticulation and strial punctures. 25–26 – G. guianus Ochs, 1935. 25 – intervals II and III, striae I–III. 26 – intervals IX and X, striae VIII–X. 27–28 – G. rozei Ochs, 1953. 27 – intervals II and III, striae I–III. 28 – intervals IX and X, striae VIII–X." figureDoi="http://doi.org/10.5281/zenodo.10101356" httpUri="https://zenodo.org/record/10101356/files/figure.png" pageId="19" pageNumber="498">Fig. 28</figureCitation>
), compared to the lineate punctures of 
<taxonomicName id="4C3C5DA2FFE72035115C8A5EFE656D27" authorityName=": OCHS" authorityYear="1935" box="[334,452,604,627]" class="Insecta" family="Gyrinidae" genus="Gyrinus" kingdom="Animalia" order="Coleoptera" pageId="19" pageNumber="498" phylum="Arthropoda" rank="species" species="guianus">
<emphasis id="B948FA33FFE72035115C8A5EFE656D27" box="[334,452,604,627]" italics="true" pageId="19" pageNumber="498">G. guianus</emphasis>
</taxonomicName>
(
<figureCitation id="13073AA4FFE7203511C68A5EFD846D27" box="[468,549,604,627]" captionStart="Figs 25–28" captionStartId="13.[113,150,1522,1541]" captionTargetBox="[153,1049,959,1511]" captionTargetId="figure-65@13.[152,1049,959,1511]" captionTargetPageId="13" captionText="Figs 25–28. SEM images of elytral interval reticulation and strial punctures. 25–26 – G. guianus Ochs, 1935. 25 – intervals II and III, striae I–III. 26 – intervals IX and X, striae VIII–X. 27–28 – G. rozei Ochs, 1953. 27 – intervals II and III, striae I–III. 28 – intervals IX and X, striae VIII–X." figureDoi="http://doi.org/10.5281/zenodo.10101356" httpUri="https://zenodo.org/record/10101356/files/figure.png" pageId="19" pageNumber="498">Fig. 26</figureCitation>
). Finally, the aedeagus differs drastically between the two species, in 
<taxonomicName id="4C3C5DA2FFE72035112C8A7EFE326DC7" authorityName="Ochs" authorityYear="1953" box="[318,403,636,659]" class="Insecta" family="Gyrinidae" genus="Gyrinus" kingdom="Animalia" order="Coleoptera" pageId="19" pageNumber="498" phylum="Arthropoda" rank="species" species="rozei">
<emphasis id="B948FA33FFE72035112C8A7EFE326DC7" box="[318,403,636,659]" italics="true" pageId="19" pageNumber="498">G. rozei</emphasis>
</taxonomicName>
the median lobe is exceptionally broad (wider than a paramere) and the apex is strongly truncate (
<figureCitation id="13073AA4FFE7203511C38A9EFDBE6DE7" box="[465,543,668,691]" captionStart="Figs 29–33" captionStartId="17.[113,150,1544,1563]" captionTargetBox="[166,1031,224,1493]" captionTargetId="figure-12@17.[162,1039,219,1500]" captionTargetPageId="17" captionText="Figs 29–33. Dorsal and lateral view of the aedeagus of Neogyrinus species, not to scale. 29 – G. ovatus Aubé, 1838. 30 – G. sabanensis sp. nov. 31 – G. guianus Ochs, 1935. 32 – G. rozei Ochs, 1953." figureDoi="http://doi.org/10.5281/zenodo.10101358" httpUri="https://zenodo.org/record/10101358/files/figure.png" pageId="19" pageNumber="498">Fig. 33</figureCitation>
), compared to 
<taxonomicName id="4C3C5DA2FFE7203512AB8A9EFC8D6DE7" authorityName=": OCHS" authorityYear="1935" box="[697,812,668,691]" class="Insecta" family="Gyrinidae" genus="Gyrinus" kingdom="Animalia" order="Coleoptera" pageId="19" pageNumber="498" phylum="Arthropoda" rank="species" species="guianus">
<emphasis id="B948FA33FFE7203512AB8A9EFC8D6DE7" box="[697,812,668,691]" italics="true" pageId="19" pageNumber="498">G. guianus</emphasis>
</taxonomicName>
which possesses a narrow median lobe with a strongly triangular apex (
<figureCitation id="13073AA4FFE7203512488ABEFD0D6D87" box="[602,684,700,723]" captionStart="Figs 29–33" captionStartId="17.[113,150,1544,1563]" captionTargetBox="[166,1031,224,1493]" captionTargetId="figure-12@17.[162,1039,219,1500]" captionTargetPageId="17" captionText="Figs 29–33. Dorsal and lateral view of the aedeagus of Neogyrinus species, not to scale. 29 – G. ovatus Aubé, 1838. 30 – G. sabanensis sp. nov. 31 – G. guianus Ochs, 1935. 32 – G. rozei Ochs, 1953." figureDoi="http://doi.org/10.5281/zenodo.10101358" httpUri="https://zenodo.org/record/10101358/files/figure.png" pageId="19" pageNumber="498">Fig. 32</figureCitation>
). The gonocoxae of 
<taxonomicName id="4C3C5DA2FFE7203513988ABEFC416D87" authorityName="Ochs" authorityYear="1953" box="[906,992,700,723]" class="Insecta" family="Gyrinidae" genus="Gyrinus" kingdom="Animalia" order="Coleoptera" pageId="19" pageNumber="498" phylum="Arthropoda" rank="species" species="rozei">
<emphasis id="B948FA33FFE7203513988ABEFC416D87" box="[906,992,700,723]" italics="true" pageId="19" pageNumber="498">G. rozei</emphasis>
</taxonomicName>
are very unique among the Venezuelan 
<taxonomicName id="4C3C5DA2FFE7203511A98ADEFDC46DA7" box="[443,613,732,755]" class="Insecta" family="Gyrinidae" genus="Gyrinus" kingdom="Animalia" order="Coleoptera" pageId="19" pageNumber="498" phylum="Arthropoda" rank="species" species="undetermined">
<emphasis id="B948FA33FFE7203511A98ADEFDB06DA7" box="[443,529,732,755]" italics="true" pageId="19" pageNumber="498">Gyrinus</emphasis>
species
</taxonomicName>
(
<figureCitation id="13073AA4FFE7203512668ADEFD626DA7" box="[628,707,732,755]" captionStart="Figs 51–59" captionStartId="32.[151,188,1435,1454]" captionTargetBox="[178,1103,221,1394]" captionTargetId="figure-10@32.[151,1126,212,1417]" captionTargetPageId="32" captionText="Figs 51–59. Ventral view of gonocoxae of Venezuelan Gyrinus species, not to scale. 51–56 – Neogyrinus species. 51 – G. gibbus Aubé, 1838 from Caracas valley, Venezuela (FMNH). 52 – G. gibbus from Amazonian Venezuela: Amazonas stream along Rio Sipapo (KBMC). 53 – G. ovatus Aubé, 1838 from Venezuela: Falcón: W. Curimagua, Blackwater Lagoon.54 – G. guianus Ochs, 1935 from Amazonian Venezuela:Amazonas:river near Orinoco /Sipapo confluence (KBMC). 55 – G. rozei Ochs, 1953. 56 – G. sabanensis sp. nov. 57–59 – Oreogyrinus species: 57 – G. iridinus sp. nov. 58 – G. venezolensis Ochs, 1953. 59 – G. vinolentus sp. nov." figureDoi="http://doi.org/10.5281/zenodo.10101372" httpUri="https://zenodo.org/record/10101372/files/figure.png" pageId="19" pageNumber="498">Fig. 55</figureCitation>
) having strongly emarginate apices with a strongly pointed medial angle.
</paragraph>
</subSubSection>
<subSubSection id="C32675AAFFE7203210638B1EFBC66D47" lastPageId="20" lastPageNumber="499" pageId="19" pageNumber="498" type="description">
<paragraph id="8B832621FFE7203510638B1EFE576CC7" blockId="19.[113,1089,220,1587]" pageId="19" pageNumber="498">
<emphasis id="B948FA33FFE7203510638B1EFF5D6C67" bold="true" box="[113,252,796,819]" pageId="19" pageNumber="498">Description.</emphasis>
Size. Length = 3.5–4.0 mm, width = 2.0– 
<quantity id="4CC48BC4FFE7203512BD8B1EFCA36C67" box="[687,770,796,819]" metricMagnitude="-3" metricUnit="m" metricValue="2.5" pageId="19" pageNumber="498" unit="mm" value="2.5">2.5 mm</quantity>
. Habitus. Bodyform narrowly oval, strongly attenuated anteriorly and posteriorly, widest point at midlength; in lateral view weakly dorsoventrally convex, greatest convexity posterior to scutellar region, evenly depressed anteriorly and posteriorly.
</paragraph>
<paragraph id="8B832621FFE7203510828B9EFD516B67" blockId="19.[113,1089,220,1587]" pageId="19" pageNumber="498">
Coloration (
<figureCitation id="13073AA4FFE7203511068B9EFEF86CE7" box="[276,345,924,947]" captionStart="Figs 1–6" captionStartId="6.[151,188,1505,1524]" captionTargetBox="[186,1091,219,1489]" captionTargetId="figure-10@6.[186,1092,219,1489]" captionTargetPageId="6" captionText="Figs 1–6. Dorsal habitus of Neogyrinus species, scale bar = 1 mm. 1 – Gyrinus sabanensis sp. nov. 2 – G. gibbus Aubé, 1838 from Amazonian Venezuela. 3 – G. ovatus Aubé, 1838. 4 – G. guianus Ochs, 1935. 5 – G. gibbus ‘var. apicalis’ Sharp, 1877 from Caracas valley, Venezuela. 6 – G. rozei Ochs, 1953." figureDoi="http://doi.org/10.5281/zenodo.10101346" httpUri="https://zenodo.org/record/10101346/files/figure.png" pageId="19" pageNumber="498">Fig. 6</figureCitation>
). Dorsally, head, pronotum, elytra bronzy-green, lateral margins of pronotum often yellow, some specimens reddish, others similarly colored as remainder of pronotum, elytral margins normally lighter in color, often yellow; ventrally lightly colored, mouthparts, ventral surface of pedicel, hypomeron, elytral epipleuron, light yellow, remainder of venter slightly darker yellow to orangish-yellow in color.
</paragraph>
<paragraph id="8B832621FFE7203510828C3EFE046A87" blockId="19.[113,1089,220,1587]" pageId="19" pageNumber="498">
Sculpture and structure. Pronotum with broad lateral margins. Elytra with stria Iweakly present, evident as reticulate stripes with variously developed sparse, weakly impressed punctures; striae II–XI (
<figureCitation id="13073AA4FFE7203511928C7EFE776BC7" box="[384,470,1148,1171]" captionStart="Figs 22–24. 22–23" captionStartId="13.[113,150,875,894]" captionTargetBox="[145,1058,219,865]" captionTargetId="figure-12@13.[145,1058,219,865]" captionTargetPageId="13" captionText="Figs 22–24. 22–23 – SEM images of G. guianus Ochs, 1935 elytral morphology. 22 – elytron, box indicates region shown in Fig. 23, scale bar = 1 mm. 23 – elytral apex, arrow indicates medial pre-apical plica. 24 – elytron of G. rozei Ochs, 1953, scale bar = 1 mm." figureDoi="http://doi.org/10.5281/zenodo.10101354" httpUri="https://zenodo.org/record/10101354/files/figure.png" pageId="19" pageNumber="498">Figs 24</figureCitation>
) evident, II–V (
<figureCitation id="13073AA4FFE72035129D8C7EFD406BC7" box="[655,737,1148,1171]" captionStart="Figs 25–28" captionStartId="13.[113,150,1522,1541]" captionTargetBox="[153,1049,959,1511]" captionTargetId="figure-65@13.[152,1049,959,1511]" captionTargetPageId="13" captionText="Figs 25–28. SEM images of elytral interval reticulation and strial punctures. 25–26 – G. guianus Ochs, 1935. 25 – intervals II and III, striae I–III. 26 – intervals IX and X, striae VIII–X. 27–28 – G. rozei Ochs, 1953. 27 – intervals II and III, striae I–III. 28 – intervals IX and X, striae VIII–X." figureDoi="http://doi.org/10.5281/zenodo.10101356" httpUri="https://zenodo.org/record/10101356/files/figure.png" pageId="19" pageNumber="498">Fig. 27</figureCitation>
) beginning with sparse weakly impressed punctures becoming progressively larger, more well impressed, and evenly distributed as strial number increases; stria VI weakly sulcate; striae VII–IX sulcate, with distinct round punctures (
<figureCitation id="13073AA4FFE7203511998CDEFE7F6BA7" box="[395,478,1244,1267]" captionStart="Figs 25–28" captionStartId="13.[113,150,1522,1541]" captionTargetBox="[153,1049,959,1511]" captionTargetId="figure-65@13.[152,1049,959,1511]" captionTargetPageId="13" captionText="Figs 25–28. SEM images of elytral interval reticulation and strial punctures. 25–26 – G. guianus Ochs, 1935. 25 – intervals II and III, striae I–III. 26 – intervals IX and X, striae VIII–X. 27–28 – G. rozei Ochs, 1953. 27 – intervals II and III, striae I–III. 28 – intervals IX and X, striae VIII–X." figureDoi="http://doi.org/10.5281/zenodo.10101356" httpUri="https://zenodo.org/record/10101356/files/figure.png" pageId="19" pageNumber="498">Fig. 28</figureCitation>
); stria X non-sulcate, with slightly smaller and less impressed punctures basally and apically; stria XI raised above lateral margin for entirety. Elytral disc with mostly uniform reticulation composed of strongly impressed meshes with round sculpticells (
<figureCitation id="13073AA4FFE7203511658D3EFE546A07" box="[375,501,1340,1363]" captionStart="Figs 25–28" captionStartId="13.[113,150,1522,1541]" captionTargetBox="[153,1049,959,1511]" captionTargetId="figure-65@13.[152,1049,959,1511]" captionTargetPageId="13" captionText="Figs 25–28. SEM images of elytral interval reticulation and strial punctures. 25–26 – G. guianus Ochs, 1935. 25 – intervals II and III, striae I–III. 26 – intervals IX and X, striae VIII–X. 27–28 – G. rozei Ochs, 1953. 27 – intervals II and III, striae I–III. 28 – intervals IX and X, striae VIII–X." figureDoi="http://doi.org/10.5281/zenodo.10101356" httpUri="https://zenodo.org/record/10101356/files/figure.png" pageId="19" pageNumber="498">Figs 27–28</figureCitation>
), producing a bronzed appearance; all elytral intervals evenly convex. Elytra without medial pre-apical plica; apices obliquely truncate; border complete, faintly evident normally (
<figureCitation id="13073AA4FFE7203511E58D7EFDE96AC7" box="[503,584,1404,1427]" captionStart="Figs 22–24. 22–23" captionStartId="13.[113,150,875,894]" captionTargetBox="[145,1058,219,865]" captionTargetId="figure-12@13.[145,1058,219,865]" captionTargetPageId="13" captionText="Figs 22–24. 22–23 – SEM images of G. guianus Ochs, 1935 elytral morphology. 22 – elytron, box indicates region shown in Fig. 23, scale bar = 1 mm. 23 – elytral apex, arrow indicates medial pre-apical plica. 24 – elytron of G. rozei Ochs, 1953, scale bar = 1 mm." figureDoi="http://doi.org/10.5281/zenodo.10101354" httpUri="https://zenodo.org/record/10101354/files/figure.png" pageId="19" pageNumber="498">Fig. 24</figureCitation>
); epipleural angle prominent, never with small denticle. Metanepisternal ostiole absent. Ultimate abdominal tergite acute medially, but without strong acumination.
</paragraph>
<paragraph id="8B832621FFE7203210828DDEFEC06E47" blockId="19.[113,1089,220,1587]" lastBlockId="20.[151,1127,220,659]" lastPageId="20" lastPageNumber="499" pageId="19" pageNumber="498">
Male genitalia (
<figureCitation id="13073AA4FFE72035112B8DDEFE286AA7" box="[313,393,1500,1523]" captionStart="Figs 29–33" captionStartId="17.[113,150,1544,1563]" captionTargetBox="[166,1031,224,1493]" captionTargetId="figure-12@17.[162,1039,219,1500]" captionTargetPageId="17" captionText="Figs 29–33. Dorsal and lateral view of the aedeagus of Neogyrinus species, not to scale. 29 – G. ovatus Aubé, 1838. 30 – G. sabanensis sp. nov. 31 – G. guianus Ochs, 1935. 32 – G. rozei Ochs, 1953." figureDoi="http://doi.org/10.5281/zenodo.10101358" httpUri="https://zenodo.org/record/10101358/files/figure.png" pageId="19" pageNumber="498">Fig. 32</figureCitation>
). Aedeagus with median lobe broad, about as long as parameres, parallel-sided basally, gradually laterally expanded in apical 1/3, apex strongly truncate, bifid, with medial pair of denticles; parameres with apex truncate. Female genitalia (
<figureCitation id="13073AA4FFE7203513F68E1EFB956967" box="[996,1076,1564,1587]" captionStart="Figs 51–59" captionStartId="32.[151,188,1435,1454]" captionTargetBox="[178,1103,221,1394]" captionTargetId="figure-10@32.[151,1126,212,1417]" captionTargetPageId="32" captionText="Figs 51–59. Ventral view of gonocoxae of Venezuelan Gyrinus species, not to scale. 51–56 – Neogyrinus species. 51 – G. gibbus Aubé, 1838 from Caracas valley, Venezuela (FMNH). 52 – G. gibbus from Amazonian Venezuela: Amazonas stream along Rio Sipapo (KBMC). 53 – G. ovatus Aubé, 1838 from Venezuela: Falcón: W. Curimagua, Blackwater Lagoon.54 – G. guianus Ochs, 1935 from Amazonian Venezuela:Amazonas:river near Orinoco /Sipapo confluence (KBMC). 55 – G. rozei Ochs, 1953. 56 – G. sabanensis sp. nov. 57–59 – Oreogyrinus species: 57 – G. iridinus sp. nov. 58 – G. venezolensis Ochs, 1953. 59 – G. vinolentus sp. nov." figureDoi="http://doi.org/10.5281/zenodo.10101372" httpUri="https://zenodo.org/record/10101372/files/figure.png" pageId="19" pageNumber="498">Fig. 55</figureCitation>
). Gonocoxae short, apices strongly emarginate, medial angle strongly pointed, left gonocoxa more so than right.
</paragraph>
<paragraph id="8B832621FFE020321085891EFECB6EA7" blockId="20.[151,1127,220,659]" pageId="20" pageNumber="499">
<emphasis id="B948FA33FFE020321085891EFEB76E67" bold="true" box="[151,278,284,307]" pageId="20" pageNumber="499">Variability.</emphasis>
Specimens from 
<collectingRegion id="49F8E8C3FFE0203211C0891EFD856E67" box="[466,548,284,307]" country="Venezuela" name="Bolivar" pageId="20" pageNumber="499">Bolívar</collectingRegion>
, 
<collectingCountry id="F32B66B1FFE02032123C891EFD3D6E67" box="[558,668,284,307]" name="Venezuela" pageId="20" pageNumber="499">Venezuela</collectingCountry>
had more well impressed elytral reticulation, giving them a much more grainy and metallic appearance. The appearance of the elytral striae also varied considerably. The specimen from 
<collectingRegion id="49F8E8C3FFE0203212DE895EFC9C6E27" box="[716,829,348,371]" country="Venezuela" name="Amazonas" pageId="20" pageNumber="499">Amazonas</collectingRegion>
had theelytral striae more weakly impressed and less sulcate in appearance compared to other specimens. Those from 
<collectingRegion id="49F8E8C3FFE020321085899EFF466EE7" box="[151,231,412,435]" country="Venezuela" name="Bolivar" pageId="20" pageNumber="499">Bolívar</collectingRegion>
had the most strongly impressed and sulcate appearing elytral striae. This resulted in somewhat more convex associated elytral intervals compared to both the 
<collectingRegion id="49F8E8C3FFE0203213DA89BEFB986E87" box="[968,1081,444,467]" country="Venezuela" name="Amazonas" pageId="20" pageNumber="499">Amazonas</collectingRegion>
and 
<collectingRegion id="49F8E8C3FFE02032108589DEFF4C6EA7" box="[151,237,476,499]" country="Venezuela" name="Guarico" pageId="20" pageNumber="499">Guárico</collectingRegion>
specimens.
</paragraph>
<paragraph id="8B832621FFE02032108589FEFBC66D47" blockId="20.[151,1127,220,659]" box="[151,1127,508,531]" pageId="20" pageNumber="499">
<emphasis id="B948FA33FFE02032108589FEFF576D47" bold="true" box="[151,246,508,531]" pageId="20" pageNumber="499">Habitat.</emphasis>
In 
<collectingCountry id="F32B66B1FFE02032110589FEFE246D47" box="[279,389,508,531]" name="Venezuela" pageId="20" pageNumber="499">Venezuela</collectingCountry>
this species has been largely collected within lentic habitats (
<figureCitation id="13073AA4FFE02032141989FEFBFB6D47" box="[1035,1114,508,531]" captionStart="Figs 68–71" captionStartId="35.[111,148,966,985]" captionTargetBox="[111,1086,219,945]" captionTargetId="figure-12@35.[111,1086,219,945]" captionTargetPageId="35" captionText="Figs 68–71. Habitat of Gyrinus species in the Guiana Shield region of Venezuela. 68 – Bolívar State, Gran Sabana, collecting event AS-08-063, habitat of G. rozei Ochs, 1953. 69 – Bolívar State, Gran Sabana, collecting event AS- 08-066, habitat of G. sabanensis sp. nov. 70 – Amazonas, tributary of the Rio Sipapo, collecting event VZ09-0116- 02X, habitat of G. guianus Ochs, 1935 and G. gibbus Aubé, 1838. 71 – Bolívar State, 25 km E. El Burro, collecting event AS-08-077, habitat of G. gibbus." figureDoi="http://doi.org/10.5281/zenodo.10101374" httpUri="https://zenodo.org/record/10101374/files/figure.png" pageId="20" pageNumber="499">Fig. 68</figureCitation>
).
</paragraph>
</subSubSection>
<subSubSection id="C32675AAFFE0203210858A1EFB9E6D67" box="[151,1087,540,563]" pageId="20" pageNumber="499" type="distribution">
<paragraph id="8B832621FFE0203210858A1EFB9E6D67" blockId="20.[151,1127,220,659]" box="[151,1087,540,563]" pageId="20" pageNumber="499">
<emphasis id="B948FA33FFE0203210858A1EFE8B6D67" bold="true" box="[151,298,540,563]" pageId="20" pageNumber="499">Distribution.</emphasis>
Known from the llanos and 
<collectingCountry id="F32B66B1FFE0203212488A1EFD066D67" box="[602,679,540,563]" name="Guyana" pageId="20" pageNumber="499">Guiana</collectingCountry>
shield regions of 
<collectingCountry id="F32B66B1FFE0203213748A1EFC756D67" box="[870,980,540,563]" name="Venezuela" pageId="20" pageNumber="499">Venezuela</collectingCountry>
(
<figureCitation id="13073AA4FFE0203213F08A1EFB936D67" box="[994,1074,540,563]" captionStart="Figs 72–75" captionStartId="36.[151,188,1051,1070]" captionTargetBox="[151,1129,220,1035]" captionTargetId="figure-182@36.[151,1129,220,1037]" captionTargetPageId="36" captionText="Figs 72–75. Distribution maps of Gyrinus species within Venezuela." figureDoi="http://doi.org/10.5281/zenodo.10101376" httpUri="https://zenodo.org/record/10101376/files/figure.png" pageId="20" pageNumber="499">Fig. 73</figureCitation>
).
</paragraph>
</subSubSection>
<subSubSection id="C32675AAFFE0203210858A3EFE6D6DC7" pageId="20" pageNumber="499" type="discussion">
<paragraph id="8B832621FFE0203210858A3EFE6D6DC7" blockId="20.[151,1127,220,659]" pageId="20" pageNumber="499">
<emphasis id="B948FA33FFE0203210858A3EFEB76D07" bold="true" box="[151,278,572,595]" pageId="20" pageNumber="499">Discussion.</emphasis>
This species is currently only known from 
<collectingCountry id="F32B66B1FFE0203212ED8A3EFCD16D07" box="[767,880,572,595]" name="Venezuela" pageId="20" pageNumber="499">Venezuela</collectingCountry>
. Given its distribution spreads across southern 
<collectingCountry id="F32B66B1FFE02032118D8A5EFDAC6D27" box="[415,525,604,627]" name="Venezuela" pageId="20" pageNumber="499">Venezuela</collectingCountry>
(
<figureCitation id="13073AA4FFE02032120F8A5EFDCC6D27" box="[541,621,604,627]" captionStart="Figs 72–75" captionStartId="36.[151,188,1051,1070]" captionTargetBox="[151,1129,220,1035]" captionTargetId="figure-182@36.[151,1129,220,1037]" captionTargetPageId="36" captionText="Figs 72–75. Distribution maps of Gyrinus species within Venezuela." figureDoi="http://doi.org/10.5281/zenodo.10101376" httpUri="https://zenodo.org/record/10101376/files/figure.png" pageId="20" pageNumber="499">Fig. 73</figureCitation>
) it is likely more widely spread in the 
<collectingCountry id="F32B66B1FFE02032140B8A5EFBC76D27" box="[1049,1126,604,627]" name="Guyana" pageId="20" pageNumber="499">Guiana</collectingCountry>
shield, similar to 
<taxonomicName id="4C3C5DA2FFE0203211428A7EFE646DC7" authorityName=": OCHS" authorityYear="1935" box="[336,453,636,659]" class="Insecta" family="Gyrinidae" genus="Gyrinus" kingdom="Animalia" order="Coleoptera" pageId="20" pageNumber="499" phylum="Arthropoda" rank="species" species="guianus">
<emphasis id="B948FA33FFE0203211428A7EFE646DC7" box="[336,453,636,659]" italics="true" pageId="20" pageNumber="499">G. guianus</emphasis>
</taxonomicName>
.
</paragraph>
</subSubSection>
</treatment>
</document>