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<document id="07CEED1395C23BE7E40560BE766B031F" ID-DOI="10.5281/zenodo.5334580" ID-ISSN="0374-1036" ID-Zenodo-Dep="5334580" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" checkinTime="1630175634131" checkinUser="felipe" docAuthor="Fikáček, Martin, Delgado, Juan A. &amp; Gentili, Elio" docDate="2012" docId="0394878EFFB4FFD04249FEC0FD5C840E" docLanguage="en" docName="ActaEntMusNatPra.2012.52.suppl.107-130.pdf" docOrigin="Acta Entomologica Musei Nationalis Pragae 52" docStyle="DocumentStyle:E9BE312A6EDF9B84FC5211AAA80D80BF.10:ActaEntMusNatPra.2005-2016.journal_article" docStyleId="E9BE312A6EDF9B84FC5211AAA80D80BF" docStyleName="ActaEntMusNatPra.2005-2016.journal_article" docStyleVersion="10" docTitle="Laccobius (Microlaccobius) eximius Kuwert 1890" docType="treatment" docVersion="4" lastPageNumber="124" masterDocId="FFADFFF6FFA5FFC14308FFCAFFAB8018" masterDocTitle="The Hydrophiloid beetles of Socotra Island (Coleoptera: Georissidae, Hydrophilidae)" masterLastPageNumber="130" masterPageNumber="107" pageNumber="124" updateTime="1699175334189" updateUser="plazi" zenodo-license-document="CC-BY-4.0">
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<mods:title id="ACA2043C0C509F960D67756171BE9893">The Hydrophiloid beetles of Socotra Island (Coleoptera: Georissidae, Hydrophilidae)</mods:title>
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<mods:namePart id="72E5025449C85DBAD08BB710B048005C">Fikáček, Martin</mods:namePart>
<mods:affiliation id="CE4ACDD00810EB4132B8F4C0ED3ECC29">Department of Entomology, National Museum, Kunratice 1, CZ- 148 00 Praha 4, Czech Republic; e-mail: mfikacek @ gmail. com &amp; Department of Zoology, Faculty of Science, Charles University in Prague, Viničná 7, CZ- 128 44 Praha 2, Czech Republic</mods:affiliation>
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<mods:namePart id="D04C1FEF6F2CF59825B6DCF012C7716B">Delgado, Juan A.</mods:namePart>
<mods:affiliation id="C7AD1B486A6352B882CD1C675DCBAABE">Departamento de Zoología, Facultad de Biología, Universidad de Murcia, 30100, Murcia, Spain; e-mail: jdelgado @ um. es</mods:affiliation>
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<mods:namePart id="B11D4C5D3CDE2CA3A90F2CF8EA6CB3E9">Gentili, Elio</mods:namePart>
<mods:affiliation id="AF3230AD44E06435F363D4B70AA4C8B2">Via San Gottardo 37, I- 21030 Varese-Rasa, Italy; e-mail: elio. gentili. 32 @ alice. it</mods:affiliation>
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<paragraph id="8B823698FFB4FFD04249FEC0FCDA813A" blockId="17.[321,881,266,291]" box="[321,881,266,291]" pageId="17" pageNumber="124">
<heading id="D0CA81F4FFB4FFD04249FEC0FCDA813A" bold="true" box="[321,881,266,291]" centered="true" fontSize="8" level="2" pageId="17" pageNumber="124" reason="3">
<taxonomicName id="4C3D4D1BFFB4FFD04249FEC0FCDA813A" ID-CoL="3RLQ3" authority="Kuwert, 1890" authorityName="Kuwert" authorityYear="1890" box="[321,881,266,291]" class="Insecta" family="Hydrophilidae" genus="Laccobius" kingdom="Animalia" order="Coleoptera" pageId="17" pageNumber="124" phylum="Arthropoda" rank="species" species="eximius" subGenus="Microlaccobius">
<emphasis id="B949EA8AFFB4FFD04249FEC0FCDA813A" bold="true" box="[321,881,266,291]" pageId="17" pageNumber="124">
<emphasis id="B949EA8AFFB4FFD04249FEC0FE19813B" bold="true" box="[321,434,266,291]" italics="true" pageId="17" pageNumber="124">Laccobius</emphasis>
(
<emphasis id="B949EA8AFFB4FFD042C9FEC0FDC0813B" bold="true" box="[449,619,266,291]" italics="true" pageId="17" pageNumber="124">Microlaccobius</emphasis>
)
<emphasis id="B949EA8AFFB4FFD04173FEC1FD7A813B" bold="true" box="[635,721,267,291]" italics="true" pageId="17" pageNumber="124">eximius</emphasis>
<bibRefCitation id="EFAC4B69FFB4FFD041DFFEC1FCDA813A" author="KUWERT A." box="[727,881,266,291]" pageId="17" pageNumber="124" pagination="1 - 121" refId="ref13664" refString="KUWERT A. 1890: Bestimmungs-Tabellen der europaischen Coleopteren. XIX. Heft. Hydrophilidae. I. Abteilung: Hydrophilini. Verhandlungen des naturforschenden Vereins in Brunn 28 (1889): 1 - 121." type="journal article" year="1890">Kuwert, 1890</bibRefCitation>
</emphasis>
</taxonomicName>
</heading>
</paragraph>
</subSubSection>
<subSubSection id="C3276513FFB4FFD04379FEF2FE25817E" pageId="17" pageNumber="124" type="materials_examined">
<paragraph id="8B823698FFB4FFD04379FEF2FE25817E" blockId="17.[113,1089,306,358]" pageId="17" pageNumber="124">
Material examined. 6 JJ,
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(
<collectionCode id="ED2CAE5DFFB4FFD0429AFEF2FE798153" box="[402,466,312,331]" country="Czech Republic" httpUri="http://grbio.org/cool/hj12-2xm7" name="National Museum Prague" pageId="17" pageNumber="124">NMPC</collectionCode>
,
<collectionCode id="ED2CAE5DFFB4FFD042D3FEF2FDB68153" box="[475,541,312,331]" country="Italy" httpUri="http://grbio.org/cool/vmav-1g60" name="Museo Civico di Storia Naturale di Venezia" pageId="17" pageNumber="124">MSNV</collectionCode>
): Haghier Mts., Wadi Madar,
<geoCoordinate id="EE09505FFFB4FFD04012FEF2FCD38153" box="[794,888,311,331]" degrees="12" direction="north" minutes="33.2" orientation="latitude" pageId="17" pageNumber="124" precision="92" value="12.553333">12°33.2 N</geoCoordinate>
,
<geoCoordinate id="EE09505FFFB4FFD0408AFEF2FC738153" box="[898,984,311,331]" degrees="54" direction="east" minutes="00.4" orientation="longitude" pageId="17" pageNumber="124" precision="92" value="54.006668">54°00.4E</geoCoordinate>
,
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,
<date id="FF831058FFB4FFD04385FE99FEA1817E" box="[141,266,339,358]" pageId="17" pageNumber="124" value="2010-11-12" valueMax="2010-11-14" valueMin="2010-11-12">1214.xi.2010</date>
, lgt. Jiří Hájek.
</paragraph>
</subSubSection>
<subSubSection id="C3276513FFB4FFD04379FEB4FD5C840E" pageId="17" pageNumber="124" type="distribution">
<paragraph id="8B823698FFB4FFD04379FEB4FEF7828E" blockId="17.[113,1089,382,1046]" pageId="17" pageNumber="124">
<emphasis id="B949EA8AFFB4FFD04379FEB4FEAB818E" bold="true" box="[113,256,382,406]" pageId="17" pageNumber="124">Distribution.</emphasis>
The distribution of the species is unclear due to changes of its taxonomic position by various authors until it was confirmed as a separate species by
<bibRefCitation id="EFAC4B69FFB4FFD04016FE55FC5C81AE" author="FIKACEK M. &amp; GENTILI E. &amp; SHORT A. E. Z." box="[798,1015,414,438]" pageId="17" pageNumber="124" pagination="135 - 165" refId="ref12803" refString="FIKACEK M., GENTILI E. &amp; SHORT A. E. Z. 2010: Order Coleoptera, family Hydrophilidae. Pp. 135 - 165. In: HARTEN A. VAN (ed.): Arthropod fauna of the UAE, volume 3. Multiply Marketing Consultancy Services, Abu Dhabi, 700 pp." type="book chapter" year="2010">FIKÁČEK et al. (2010)</bibRefCitation>
(see p.
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the latter paper for history of the taxonomic concepts of the species). The species was described from Hejaz and since then recorded from various parts of the Arabian Peninsula (
<bibRefCitation id="EFAC4B69FFB4FFD04371FE34FEBD820E" author="HEBAUER F." box="[121,278,510,534]" pageId="17" pageNumber="124" pagination="255 - 276" refId="ref13357" refString="HEBAUER F. 1997: Annotated checklist of the Hydrophilidae and Helophoridae (Insecta: Coleoptera) of the Arabian Peninsula with a description of a new genus and species. Fauna of Saudi Arabia 16: 255 - 276." type="journal article" year="1997">HEBAUER 1997</bibRefCitation>
, as
<taxonomicName id="4C3D4D1BFFB4FFD04235FE35FE7B820E" authorityName="Kuwert" authorityYear="1890" box="[317,464,511,534]" class="Insecta" family="Hydrophilidae" genus="Laccobius" kingdom="Animalia" order="Coleoptera" pageId="17" pageNumber="124" phylum="Arthropoda" rank="species" species="praecipuus">
<emphasis id="B949EA8AFFB4FFD04235FE35FE7B820E" box="[317,464,511,534]" italics="true" pageId="17" pageNumber="124">L. praecipuus</emphasis>
</taxonomicName>
) and Egypt (
<bibRefCitation id="EFAC4B69FFB4FFD04151FE34FD45820E" author="KUWERT A." box="[601,750,510,534]" pageId="17" pageNumber="124" pagination="1 - 121" refId="ref13664" refString="KUWERT A. 1890: Bestimmungs-Tabellen der europaischen Coleopteren. XIX. Heft. Hydrophilidae. I. Abteilung: Hydrophilini. Verhandlungen des naturforschenden Vereins in Brunn 28 (1889): 1 - 121." type="journal article" year="1890">KUWERT 1890</bibRefCitation>
), but most these records require confirmation as they may concern the widespread
<taxonomicName id="4C3D4D1BFFB4FFD04180FDD5FCB0822E" authorityName="Kuwert" authorityYear="1890" box="[648,795,543,566]" class="Insecta" family="Hydrophilidae" genus="Laccobius" kingdom="Animalia" order="Coleoptera" pageId="17" pageNumber="124" phylum="Arthropoda" rank="species" species="praecipuus">
<emphasis id="B949EA8AFFB4FFD04180FDD5FCB0822E" box="[648,795,543,566]" italics="true" pageId="17" pageNumber="124">L. praecipuus</emphasis>
</taxonomicName>
. So far, the only specimens examined by us reliably belonging to
<taxonomicName id="4C3D4D1BFFB4FFD0410FFDF5FDDF824E" authorityName="Kuwert" authorityYear="1890" box="[519,628,575,598]" class="Insecta" family="Hydrophilidae" genus="Laccobius" kingdom="Animalia" order="Coleoptera" pageId="17" pageNumber="124" phylum="Arthropoda" rank="species" species="eximius">
<emphasis id="B949EA8AFFB4FFD0410FFDF5FDDF824E" box="[519,628,575,598]" italics="true" pageId="17" pageNumber="124">L. eximius</emphasis>
</taxonomicName>
were all collected in western Saudi Arabia at high altitudes (ca.
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a.s.l.) of the mountain range along the Red Sea.
<emphasis id="B949EA8AFFB4FFD040BFFD94FEF7828E" bold="true" pageId="17" pageNumber="124">
First record from
<collectingCountry id="F32A7608FFB4FFD043B8FDB4FEFC828E" box="[176,343,638,662]" name="Socotra Island" pageId="17" pageNumber="124">Socotra Island</collectingCountry>
.
</emphasis>
</paragraph>
<paragraph id="8B823698FFB4FFD04379FD54FD5C840E" blockId="17.[113,1089,382,1046]" pageId="17" pageNumber="124">
<emphasis id="B949EA8AFFB4FFD04379FD54FF0582AE" bold="true" box="[113,174,670,694]" pageId="17" pageNumber="124">Note.</emphasis>
<taxonomicName id="4C3D4D1BFFB4FFD043BEFD55FED582AE" authorityName="Kuwert" authorityYear="1890" box="[182,382,671,694]" class="Insecta" family="Hydrophilidae" genus="Laccobius" kingdom="Animalia" order="Coleoptera" pageId="17" pageNumber="124" phylum="Arthropoda" rank="species" species="eximius">
<emphasis id="B949EA8AFFB4FFD043BEFD55FED582AE" box="[182,382,671,694]" italics="true" pageId="17" pageNumber="124">Laccobius eximius</emphasis>
</taxonomicName>
was found at a single locality at high altitude in
<collectingCountry id="F32A7608FFB4FFD04096FD54FB9582AE" box="[926,1086,670,694]" name="Socotra Island" pageId="17" pageNumber="124">Socotra Island</collectingCountry>
. This corresponds to its distribution on the Arabian Peninsula, where the species inhabits the mountains in the western part of
<collectingCountry id="F32A7608FFB4FFD042C1FD14FDF882EE" box="[457,595,734,758]" name="Saudi Arabia" pageId="17" pageNumber="124">Saudi Arabia</collectingCountry>
where it replaces the common lowland species
<taxonomicName id="4C3D4D1BFFB4FFD04379FD35FEAF830E" authorityName="Kuwert" authorityYear="1890" box="[113,260,767,790]" class="Insecta" family="Hydrophilidae" genus="Laccobius" kingdom="Animalia" order="Coleoptera" pageId="17" pageNumber="124" phylum="Arthropoda" rank="species" species="praecipuus">
<emphasis id="B949EA8AFFB4FFD04379FD35FEAF830E" box="[113,260,767,790]" italics="true" pageId="17" pageNumber="124">L. praecipuus</emphasis>
</taxonomicName>
. The dorsal coloration of the Socotran specimens is paler than in the majority of the Saudi Arabian specimens which are nearly completely dark (see
<bibRefCitation id="EFAC4B69FFB4FFD04065FCD5FB96832E" author="FIKACEK M. &amp; GENTILI E. &amp; SHORT A. E. Z." box="[877,1085,798,822]" pageId="17" pageNumber="124" pagination="135 - 165" refId="ref12803" refString="FIKACEK M., GENTILI E. &amp; SHORT A. E. Z. 2010: Order Coleoptera, family Hydrophilidae. Pp. 135 - 165. In: HARTEN A. VAN (ed.): Arthropod fauna of the UAE, volume 3. Multiply Marketing Consultancy Services, Abu Dhabi, 700 pp." type="book chapter" year="2010">FIKÁČEK et al. 2010</bibRefCitation>
,
<figureCitation id="13062A1DFFB4FFD04379FCF4FF14834E" box="[113,191,830,854]" captionStart="Figs" captionStartId="7.[113,152,1482,1501]" captionTargetBox="[113,1087,217,1402]" captionTargetId="figure-13@7.[113,1087,217,1402]" captionTargetPageId="7" captionText="Figs. 914. Georissus nemo sp. nov. (913 paratype; 14 holotype). 9 pronotum and elytra in dorsal view; 10 head, dorsal view; 1112 detail of pronotum (11 dorsal view; 12 dorsolateral view); 13 elytron, dorsolateral view; 14 abdomen." figureDoi="http://doi.org/10.5281/zenodo.5334588" httpUri="https://zenodo.org/record/5334588/files/figure.png" pageId="17" pageNumber="124">Fig. 11</figureCitation>
). Pale specimens of
<taxonomicName id="4C3D4D1BFFB4FFD04293FCF5FDA2834E" authorityName="Kuwert" authorityYear="1890" box="[411,521,831,854]" class="Insecta" family="Hydrophilidae" genus="Laccobius" kingdom="Animalia" order="Coleoptera" pageId="17" pageNumber="124" phylum="Arthropoda" rank="species" species="eximius">
<emphasis id="B949EA8AFFB4FFD04293FCF5FDA2834E" box="[411,521,831,854]" italics="true" pageId="17" pageNumber="124">L. eximius</emphasis>
</taxonomicName>
easily differ from
<taxonomicName id="4C3D4D1BFFB4FFD041DAFCF5FCCE834E" authorityName="Kuwert" authorityYear="1890" box="[722,869,831,854]" class="Insecta" family="Hydrophilidae" genus="Laccobius" kingdom="Animalia" order="Coleoptera" pageId="17" pageNumber="124" phylum="Arthropoda" rank="species" species="praecipuus">
<emphasis id="B949EA8AFFB4FFD041DAFCF5FCCE834E" box="[722,869,831,854]" italics="true" pageId="17" pageNumber="124">L. praecipuus</emphasis>
</taxonomicName>
by darker pronotum (uniformly black on a larger surface) and elytral longitudinal puncture rows uniformly darkened (sometimes these rows join one another forming a nearly black elytral surface). The morphology of the aedeagus of the Socotran specimens agrees in all details with those from the Arabian Peninsula (see
<bibRefCitation id="EFAC4B69FFB4FFD0429CFC75FDC883CE" author="FIKACEK M. &amp; GENTILI E. &amp; SHORT A. E. Z." box="[404,611,958,982]" pageId="17" pageNumber="124" pagination="135 - 165" refId="ref12803" refString="FIKACEK M., GENTILI E. &amp; SHORT A. E. Z. 2010: Order Coleoptera, family Hydrophilidae. Pp. 135 - 165. In: HARTEN A. VAN (ed.): Arthropod fauna of the UAE, volume 3. Multiply Marketing Consultancy Services, Abu Dhabi, 700 pp." type="book chapter" year="2010">FIKÁČEK et al. 2010</bibRefCitation>
,
<figureCitation id="13062A1DFFB4FFD04166FC74FD7983CE" box="[622,722,958,982]" captionStart-0="Figs" captionStart-1="Figs" captionStartId-0="4.[153,192,1033,1052]" captionStartId-1="7.[113,152,1482,1501]" captionTargetBox-0="[266,1016,226,1012]" captionTargetBox-1="[113,1087,217,1402]" captionTargetId-0="figure-178@4.[262,1016,219,1015]" captionTargetId-1="figure-13@7.[113,1087,217,1402]" captionTargetPageId-0="4" captionTargetPageId-1="7" captionText-0="Figs. 78. Genitalia of Socotran endemic Georissus species. 7 G. maritimus sp. nov. (a, b: two different ventral views of the same aedeagus; c: lateral view); 8 G. nemo sp. nov., ventral view." captionText-1="Figs. 914. Georissus nemo sp. nov. (913 paratype; 14 holotype). 9 pronotum and elytra in dorsal view; 10 head, dorsal view; 1112 detail of pronotum (11 dorsal view; 12 dorsolateral view); 13 elytron, dorsolateral view; 14 abdomen." figureDoi-0="http://doi.org/10.5281/zenodo.5334586" figureDoi-1="http://doi.org/10.5281/zenodo.5334588" httpUri-0="https://zenodo.org/record/5334586/files/figure.png" httpUri-1="https://zenodo.org/record/5334588/files/figure.png" pageId="17" pageNumber="124">Figs. 79</figureCitation>
) and
<taxonomicName id="4C3D4D1BFFB4FFD04006FC75FCD083CE" authorityName="Kuwert" authorityYear="1890" box="[782,891,959,982]" class="Insecta" family="Hydrophilidae" genus="Laccobius" kingdom="Animalia" order="Coleoptera" pageId="17" pageNumber="124" phylum="Arthropoda" rank="species" species="eximius">
<emphasis id="B949EA8AFFB4FFD04006FC75FCD083CE" box="[782,891,959,982]" italics="true" pageId="17" pageNumber="124">L. eximius</emphasis>
</taxonomicName>
is therefore easily distinguished from
<taxonomicName id="4C3D4D1BFFB4FFD04249FC15FE7F83EE" authorityName="Kuwert" authorityYear="1890" box="[321,468,991,1014]" class="Insecta" family="Hydrophilidae" genus="Laccobius" kingdom="Animalia" order="Coleoptera" pageId="17" pageNumber="124" phylum="Arthropoda" rank="species" species="praecipuus">
<emphasis id="B949EA8AFFB4FFD04249FC15FE7F83EE" box="[321,468,991,1014]" italics="true" pageId="17" pageNumber="124">L. praecipuus</emphasis>
</taxonomicName>
by genital morphology. Socotran specimens of
<taxonomicName id="4C3D4D1BFFB4FFD040DBFC15FBEB83EE" authorityName="Kuwert" authorityYear="1890" box="[979,1088,991,1014]" class="Insecta" family="Hydrophilidae" genus="Laccobius" kingdom="Animalia" order="Coleoptera" pageId="17" pageNumber="124" phylum="Arthropoda" rank="species" species="eximius">
<emphasis id="B949EA8AFFB4FFD040DBFC15FBEB83EE" box="[979,1088,991,1014]" italics="true" pageId="17" pageNumber="124">L. eximius</emphasis>
</taxonomicName>
are generally smaller than those from the Arabian Peninsula.
</paragraph>
</subSubSection>
</treatment>
</document>