treatments-xml/data/03/C0/3B/03C03B6BFF99FFF5FF7B2910FD6BF8DE.xml
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<document id="D038BC928C3E87B90E953BCF0A16E793" ID-CLB-Dataset="2431" ID-DOI="10.11646/zootaxa.5093.1.1" ID-GBIF-Dataset="0faf68be-3777-4466-8cd5-9eb8ca72a239" ID-ISSN="1175-5326" ID-Zenodo-Dep="5901006" ID-ZooBank="C2F5E368-CB15-4207-9944-E52C190FBF20" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" IM.treatmentCitations_approvedBy="felipe" checkinTime="1643101690477" checkinUser="plazi" docAuthor="Jałoszyński, Paweł" docDate="2022" docId="03C03B6BFF99FFF5FF7B2910FD6BF8DE" docLanguage="en" docName="zootaxa.5093.1.1.pdf" docOrigin="Zootaxa 5093 (1)" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Euconnus (Euconnus) dulcis Sharp 1886" docType="treatment" docVersion="7" lastPageNumber="4" masterDocId="FFF94313FF9BFFF6FFEC2B57FFE6FF93" masterDocTitle="Euconnus Thomson of Japan: redescriptions of species established by Reitter, Sharp and Franz, new synonyms, and summary of current state of knowledge (Coleoptera, Staphylinidae, Scydmaeninae)" masterLastPageNumber="37" masterPageNumber="1" pageNumber="3" updateTime="1699292035325" updateUser="plazi" zenodo-license-document="CLOSED">
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<mods:title id="BECEC598B3C08EE6D26475051D9A8E21">Euconnus Thomson of Japan: redescriptions of species established by Reitter, Sharp and Franz, new synonyms, and summary of current state of knowledge (Coleoptera, Staphylinidae, Scydmaeninae)</mods:title>
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<treatment id="03C03B6BFF99FFF5FF7B2910FD6BF8DE" ID-DOI="http://doi.org/10.5281/zenodo.5901008" ID-GBIF-Taxon="192597243" ID-Zenodo-Dep="5901008" LSID="urn:lsid:plazi:treatment:03C03B6BFF99FFF5FF7B2910FD6BF8DE" httpUri="http://treatment.plazi.org/id/03C03B6BFF99FFF5FF7B2910FD6BF8DE" lastPageId="3" lastPageNumber="4" pageId="2" pageNumber="3">
<subSubSection id="C373D9F6FF99FFF4FF7B2910FDABFDF3" box="[151,589,582,609]" pageId="2" pageNumber="3" type="nomenclature">
<paragraph id="8BD68A7DFF99FFF4FF7B2910FDABFDF3" blockId="2.[151,589,582,609]" box="[151,589,582,609]" pageId="2" pageNumber="3">
<heading id="D09E3D11FF99FFF4FF7B2910FDABFDF3" bold="true" box="[151,589,582,609]" fontSize="11" level="1" pageId="2" pageNumber="3" reason="1">
<taxonomicName id="4C69F1FEFF99FFF4FF7B2910FDABFDF3" ID-CoL="9G94C" authority="Sharp" authorityName="Sharp" authorityYear="1886" box="[151,589,582,609]" class="Insecta" family="Staphylinidae" genus="Euconnus" kingdom="Animalia" order="Coleoptera" pageId="2" pageNumber="3" phylum="Arthropoda" rank="species" species="dulcis" subGenus="Euconnus">
<emphasis id="B91D566FFF99FFF4FF7B2910FDABFDF3" bold="true" box="[151,589,582,609]" pageId="2" pageNumber="3">
<emphasis id="B91D566FFF99FFF4FF7B2910FEF5FDF2" bold="true" box="[151,275,583,609]" italics="true" pageId="2" pageNumber="3">Euconnus</emphasis>
(
<emphasis id="B91D566FFF99FFF4FEC82910FE46FDF2" bold="true" box="[292,416,583,609]" italics="true" pageId="2" pageNumber="3">Euconnus</emphasis>
)
<emphasis id="B91D566FFF99FFF4FE5D2911FE1FFDF2" bold="true" box="[433,505,582,609]" italics="true" pageId="2" pageNumber="3">dulcis</emphasis>
Sharp
</emphasis>
</taxonomicName>
</heading>
</paragraph>
</subSubSection>
<subSubSection id="C373D9F6FF99FFF4FF2B29DBFEEDFD75" pageId="2" pageNumber="3" type="reference_group">
<paragraph id="8BD68A7DFF99FFF4FF2B29DBFC79FD30" blockId="2.[151,927,651,742]" box="[199,927,651,675]" pageId="2" pageNumber="3">
<treatmentCitationGroup id="AB79AD53FF99FFF4FF2B29DBFC79FD30" box="[199,927,651,675]" pageId="2" pageNumber="3">
<treatmentCitation id="0AC8AC6CFF99FFF4FF2B29DBFDFEFD30" author="Sharp, D." box="[199,536,651,675]" page="47" pageId="2" pageNumber="3" year="1886">
<taxonomicName id="4C69F1FEFF99FFF4FF2B29DBFDFEFD30" ID-CoL="9G94C" authority="Sharp, 1886: 47" authorityName="Sharp" authorityPageNumber="47" authorityYear="1886" box="[199,536,651,675]" class="Insecta" family="Staphylinidae" genus="Euconnus" kingdom="Animalia" order="Coleoptera" pageId="2" pageNumber="3" phylum="Arthropoda" rank="species" species="dulcis">
<emphasis id="B91D566FFF99FFF4FF2B29DBFE88FD30" box="[199,366,651,675]" italics="true" pageId="2" pageNumber="3">Euconnus dulcis</emphasis>
<bibRefCitation id="EFF8F78CFF99FFF4FE9829DCFDFEFD30" author="Sharp, D." box="[372,536,651,675]" pageId="2" pageNumber="3" pagination="46 - 51" refId="ref26383" refString="Sharp, D. (1886) The Scydmaenidae of Japan. Entomologist's Monthly Magazine, 23, 46 - 51." type="journal article" year="1886">Sharp, 1886: 47</bibRefCitation>
</taxonomicName>
</treatmentCitation>
. Redescribed by
<treatmentCitation id="0AC8AC6CFF99FFF4FD2929DCFC7DFD30" author="Hoshina, H." box="[709,923,651,675]" page="201" pageId="2" pageNumber="3" year="2019">
<bibRefCitation id="EFF8F78CFF99FFF4FD2929DCFC7DFD30" author="Hoshina, H." box="[709,923,651,675]" pageId="2" pageNumber="3" pagination="201 - 202" refId="ref24966" refString="Hoshina, H. (2019 c) Taxonomic Note on the Genus Euconnus (Coleoptera: Staphylinidae: Scydmaeninae) from Japan (III). Japanese Journal of Systematic Entomology, 25 (2), 201 - 202." type="journal article" year="2019">Hoshina, 2019c: 201</bibRefCitation>
</treatmentCitation>
.
</treatmentCitationGroup>
</paragraph>
<paragraph id="8BD68A7DFF99FFF4FF2B29FCFD3CFD51" blockId="2.[151,927,651,742]" box="[199,730,682,706]" pageId="2" pageNumber="3">
<treatmentCitationGroup id="AB79AD53FF99FFF4FF2B29FCFD3CFD51" box="[199,730,682,706]" pageId="2" pageNumber="3">
<taxonomicName id="4C69F1FEFF99FFF4FF2B29FCFDCBFD51" ID-CoL="9G94C" authority="Sharp" authorityName="Sharp" authorityYear="1886" box="[199,557,682,706]" class="Insecta" family="Staphylinidae" genus="Euconnus" kingdom="Animalia" order="Coleoptera" pageId="2" pageNumber="3" phylum="Arthropoda" rank="species" species="dulcis" subGenus="Euconnus">
<emphasis id="B91D566FFF99FFF4FF2B29FCFECDFD51" box="[199,299,683,706]" italics="true" pageId="2" pageNumber="3">Euconnus</emphasis>
(
<emphasis id="B91D566FFF99FFF4FED629FCFE78FD51" box="[314,414,683,706]" italics="true" pageId="2" pageNumber="3">Euconnus</emphasis>
)
<emphasis id="B91D566FFF99FFF4FE4129FDFE0CFD51" box="[429,490,682,706]" italics="true" pageId="2" pageNumber="3">dulcis</emphasis>
Sharp
</taxonomicName>
;
<treatmentCitation id="0AC8AC6CFF99FFF4FDD429FDFD30FD51" author="Csiki, E." box="[568,726,682,706]" page="47" pageId="2" pageNumber="3" year="1919">
<bibRefCitation id="EFF8F78CFF99FFF4FDD429FDFD30FD51" author="Csiki, E." box="[568,726,682,706]" pageId="2" pageNumber="3" pagination="106" refId="ref24424" refString="Csiki, E. (1919) Pars 70: Scydmaenidae. In: Schenkling, S. &amp; Junk, W. (Eds.), Coleopterorum Catalogus. Vol. 7. W. Junk, Berlin, pp. 106." type="book chapter" year="1919">Csiki, 1919: 47</bibRefCitation>
</treatmentCitation>
.
</treatmentCitationGroup>
</paragraph>
<paragraph id="8BD68A7DFF99FFF4FF7B299BFEEDFD75" blockId="2.[151,927,651,742]" box="[151,267,716,742]" pageId="2" pageNumber="3">
(
<figureCitation id="135296F8FF99FFF4FF73299BFEE4FD75" box="[159,258,716,742]" captionStart="FIGURES 18" captionStartId="4.[151,264,1890,1914]" captionTargetBox="[151,1430,195,1866]" captionTargetId="figure-21@4.[151,1436,181,1866]" captionTargetPageId="4" captionText="FIGURES 18. Euconnus dulcis, male. Dorsal habitus (1) and annotated mounting card and historical labels (2) of lectotype; head in anterior view (3; arrowhead indicating median clypeal tubercle); abdomen of male in ventral view (4); aedeagus in ventral (5, 7) and lateral (6, 8) views." figureDoi="http://doi.org/10.5281/zenodo.5901010" httpUri="https://zenodo.org/record/5901010/files/figure.png" pageId="2" pageNumber="3">Figs 18</figureCitation>
)
</paragraph>
</subSubSection>
<subSubSection id="C373D9F6FF99FFF4FF7B2843FD77FA6D" pageId="2" pageNumber="3" type="materials_examined">
<paragraph id="8BD68A7DFF99FFF4FF7B2843FE19FC71" blockId="2.[151,1437,788,2039]" pageId="2" pageNumber="3">
<emphasis id="B91D566FFF99FFF4FF7B2843FE7AFCBD" bold="true" box="[151,412,788,814]" pageId="2" pageNumber="3">Type material studied</emphasis>
.
<materialsCitation id="3B018020FF99FFF4FE462843FE26FC09" ID-GBIF-Occurrence="3454958335" collectionCode="NHM" location="Nagasaki" pageId="2" pageNumber="3" specimenCount="1" specimenCount-male="1" stateProvince="Nagasaki" typeStatus="lectotype">
<emphasis id="B91D566FFF99FFF4FE462843FCFCFCA3" bold="true" box="[426,794,788,816]" pageId="2" pageNumber="3">
<typeStatus id="54D234DFFF99FFF4FE462843FDC6FCBD" box="[426,544,788,814]" pageId="2" pageNumber="3" type="lectotype">Lectotype</typeStatus>
(here designated):
<specimenCount id="9D6F41F4FF99FFF4FCE92842FCFCFCA3" box="[773,794,789,816]" pageId="2" pageNumber="3" type="male"></specimenCount>
</emphasis>
(
<figureCitation id="135296F8FF99FFF4FCC52843FC68FCBD" box="[809,910,788,814]" captionStart="FIGURES 18" captionStartId="4.[151,264,1890,1914]" captionTargetBox="[151,1430,195,1866]" captionTargetId="figure-21@4.[151,1436,181,1866]" captionTargetPageId="4" captionText="FIGURES 18. Euconnus dulcis, male. Dorsal habitus (1) and annotated mounting card and historical labels (2) of lectotype; head in anterior view (3; arrowhead indicating median clypeal tubercle); abdomen of male in ventral view (4); aedeagus in ventral (5, 7) and lateral (6, 8) views." figureDoi="http://doi.org/10.5281/zenodo.5901010" httpUri="https://zenodo.org/record/5901010/files/figure.png" pageId="2" pageNumber="3">Figs 12</figureCitation>
), mounted on thick cardboard with annotation: “
<taxonomicName id="4C69F1FEFF99FFF4FF4D286FFEF4FCC1" box="[161,274,824,850]" class="Insecta" family="Staphylinidae" genus="Euconnus" kingdom="Animalia" order="Coleoptera" pageId="2" pageNumber="3" phylum="Arthropoda" rank="genus">Euconnus</taxonomicName>
/ dulcis Type / D.S. /
<collectingRegion id="49AD449FFF99FFF4FDE2286FFD90FCC1" box="[526,630,824,850]" country="Japan" name="Nagasaki" pageId="2" pageNumber="3">Nagasaki</collectingRegion>
/ 28.5.81. Lewis”, with three labels: “Sharp Coll. / 1905-313” [creamy white, printed], “Type / H.T.” [round white label with red margin, printed], “SYN- / TYPE” [round white label with blue margin] (
<collectionCode id="ED7812B8FF99FFF4FE9C28D7FE5EFC09" box="[368,440,896,922]" pageId="2" pageNumber="3">NHM</collectionCode>
)
</materialsCitation>
.
<materialsCitation id="3B018020FF99FFF4FE2728D7FE1DFC71" ID-GBIF-Occurrence="3454958319" collectionCode="NHM" pageId="2" pageNumber="3" specimenCount="1" specimenCount-male="1" stateProvince="Nagasaki" typeStatus="paralectotype">
<emphasis id="B91D566FFF99FFF4FE2728D7FD73FC0F" bold="true" box="[459,661,896,924]" pageId="2" pageNumber="3">
<typeStatus id="54D234DFFF99FFF4FE2728D7FD92FC09" box="[459,628,896,922]" pageId="2" pageNumber="3" type="paralectotype">Paralectotype</typeStatus>
:
<specimenCount id="9D6F41F4FF99FFF4FD6C28D6FD73FC0F" box="[640,661,897,924]" pageId="2" pageNumber="3" type="male"></specimenCount>
</emphasis>
, mounted in a similar way as
<typeStatus id="54D234DFFF99FFF4FC0628D7FBB7FC09" box="[1002,1105,896,922]" pageId="2" pageNumber="3" type="lectotype">lectotype</typeStatus>
and with same annotation on mounting card, with two labels: “Sharp Coll. / 1905-313” [creamy white, printed], “SYN- / TYPE” [round white label with blue margin] (
<collectionCode id="ED7812B8FF99FFF4FE40289FFE12FC71" box="[428,500,968,994]" pageId="2" pageNumber="3">NHM</collectionCode>
)
</materialsCitation>
.
</paragraph>
<paragraph id="8BD68A7DFF99FFF4FF2B28BBFDE9FBDD" blockId="2.[151,1437,788,2039]" pageId="2" pageNumber="3">
<emphasis id="B91D566FFF99FFF4FF2B28BBFD7BFB95" bold="true" box="[199,669,1004,1030]" pageId="2" pageNumber="3">Additional material studied. HONSHU</emphasis>
:
<materialsCitation id="3B018020FF99FFF4FD4128BBFB05FBB9" ID-GBIF-Occurrence="3454958317" collectingDate="2003-05-17" collectorName="P. Jaloszynski &amp; One" county="Ishige-machi" location="Kokai-gawa River" municipality="Tsukuba-shi" pageId="2" pageNumber="3" specimenCount="3" specimenCount-female="1" specimenCount-male="2" stateProvince="Ibaraki">
<emphasis id="B91D566FFF99FFF4FD4128BBFCACFB95" bold="true" box="[685,842,1004,1030]" pageId="2" pageNumber="3">
<collectingRegion id="49AD449FFF99FFF4FD4128BBFCACFB95" box="[685,842,1004,1030]" country="Japan" name="Ibaraki" pageId="2" pageNumber="3">Ibaraki Pref.</collectingRegion>
</emphasis>
:
<specimenCount id="9D6F41F4FF99FFF4FCB628BBFC7BFB94" box="[858,925,1004,1031]" pageId="2" pageNumber="3" type="male">2 ♂♂</specimenCount>
,
<specimenCount id="9D6F41F4FF99FFF4FC4728BBFC30FB94" box="[939,982,1004,1031]" pageId="2" pageNumber="3" type="female">1 ♀</specimenCount>
,
<collectingCounty id="62B7F2F1FF99FFF4FC0A28BBFB9EFB95" box="[998,1144,1004,1030]" pageId="2" pageNumber="3">Ishige-machi</collectingCounty>
ad
<collectingMunicipality id="6BB21007FF99FFF4FB4F28BBFAC8FB95" box="[1187,1326,1004,1030]" pageId="2" pageNumber="3">Tsukuba-shi</collectingMunicipality>
, banks of
<location id="8EB6DCA6FF99FFF4FF7B2F47FE8EFBB9" LSID="urn:lsid:plazi:treatment:03C03B6BFF99FFF5FF7B2910FD6BF8DE:8EB6DCA6FF99FFF4FF7B2F47FE8EFBB9" box="[151,360,1040,1066]" county="Ishige-machi" municipality="Tsukuba-shi" name="Kokai-gawa River" pageId="2" pageNumber="3" stateProvince="Ibaraki">Kokai-gawa River</location>
,
<date id="FFD7ACBDFF99FFF4FE9F2F47FE12FBB8" box="[371,500,1040,1067]" pageId="2" pageNumber="3" value="2003-05-17">
<collectingDate id="EF935555FF99FFF4FE9F2F47FE12FBB8" box="[371,500,1040,1067]" pageId="2" pageNumber="3" value="2003-05-17">17.05.2003</collectingDate>
</date>
, sifted flood debris, leg.
<collectorName id="269CEFABFF99FFF4FCE02F46FC4EFBB9" box="[780,936,1040,1067]" pageId="2" pageNumber="3">P. Jałoszyński</collectorName>
(cPJ).
<collectorName id="269CEFABFF99FFF4FC142F47FBC1FBB9" box="[1016,1063,1040,1066]" pageId="2" pageNumber="3">One</collectorName>
more male from
</materialsCitation>
<materialsCitation id="3B018020FF99FFF4FB072F47FDEDFBDD" ID-GBIF-Occurrence="3454958334" collectionCode="NSMT" location="Saga Prefecture" pageId="2" pageNumber="3" specimenCount="1" stateProvince="Saga">
<collectingRegion id="49AD449FFF99FFF4FB072F47FA7AFBB9" box="[1259,1436,1040,1066]" country="Japan" name="Saga" pageId="2" pageNumber="3">Saga Prefecture</collectingRegion>
(Kyushu) was also seen (
<collectionCode id="ED7812B8FF99FFF4FE432F63FDE5FBDD" box="[431,515,1076,1102]" country="Japan" httpUri="http://grbio.org/cool/f678-ci92" name="National Science Museum (Natural History)" pageId="2" pageNumber="3">NSMT</collectionCode>
)
</materialsCitation>
.
</paragraph>
<paragraph id="8BD68A7DFF99FFF4FF2B2F0FFD77FA6D" blockId="2.[151,1437,788,2039]" pageId="2" pageNumber="3">
<emphasis id="B91D566FFF99FFF4FF2B2F0FFE52FBE1" bold="true" box="[199,436,1112,1138]" pageId="2" pageNumber="3">Emended diagnosis.</emphasis>
Among Japanese species,
<taxonomicName id="4C69F1FEFF99FFF4FD3A2F0EFCD0FBE1" authorityName="Sharp" authorityYear="1886" box="[726,822,1112,1138]" class="Insecta" family="Staphylinidae" genus="Euconnus" kingdom="Animalia" order="Coleoptera" pageId="2" pageNumber="3" phylum="Arthropoda" rank="species" species="dulcis">
<emphasis id="B91D566FFF99FFF4FD3A2F0EFCD0FBE1" box="[726,822,1112,1138]" italics="true" pageId="2" pageNumber="3">E. dulcis</emphasis>
</taxonomicName>
can be identified by: tiny anteromedian clypeal denticle present in both sexes; thick setae distributed on tempora and sides of pronotum; antennae with loose tetramerous club, in both sexes with elongate antennomeres 17, in males also 811 elongate, in female each about as long as broad; pronotum sub-parallel in posterior half, anteriorly strongly narrowing, with a pair of lateral antebasal pits connected by transverse groove (in one studied specimen groove vestigial); abdomen in male strongly modified, with a pair of lateral teeth directed posteromesad on sternites 6 and 7, posterior margin between teeth concave, additionally region between teeth on sternite 6 with two transverse, dense lateral groups of peg-like cuticular projections directed caudad and slightly unevenly and asymmetrically distributed; aedeagus with median lobe in ventral view broadest in subapical region, with conspicuously narrow median apical projection, symmetrical endophallic structures, and monstrously modified parameres, each strongly broadened, strongly bent in lateral view, with asymmetrical apex and bearing two groups of subapical lateral (outer) setae, in ventral view apex of each paramere developed as subtriangular projection directed distomesad.
</paragraph>
</subSubSection>
<subSubSection id="C373D9F6FF99FFF5FF2B2D5FFE73FB82" lastPageId="3" lastPageNumber="4" pageId="2" pageNumber="3" type="description">
<paragraph id="8BD68A7DFF99FFF4FF2B2D5FFC73F9D5" blockId="2.[151,1437,788,2039]" pageId="2" pageNumber="3">
<emphasis id="B91D566FFF99FFF4FF2B2D5FFE93F9B1" bold="true" box="[199,373,1544,1570]" pageId="2" pageNumber="3">Redescription.</emphasis>
Body of male (
<figureCitation id="135296F8FF99FFF4FDC62D5FFD96F9B1" box="[554,624,1544,1570]" captionStart="FIGURES 18" captionStartId="4.[151,264,1890,1914]" captionTargetBox="[151,1430,195,1866]" captionTargetId="figure-21@4.[151,1436,181,1866]" captionTargetPageId="4" captionText="FIGURES 18. Euconnus dulcis, male. Dorsal habitus (1) and annotated mounting card and historical labels (2) of lectotype; head in anterior view (3; arrowhead indicating median clypeal tubercle); abdomen of male in ventral view (4); aedeagus in ventral (5, 7) and lateral (6, 8) views." figureDoi="http://doi.org/10.5281/zenodo.5901010" httpUri="https://zenodo.org/record/5901010/files/figure.png" pageId="2" pageNumber="3">Fig. 1</figureCitation>
:
<typeStatus id="54D234DFFF99FFF4FD932D5FFD0EF9B0" box="[639,744,1544,1571]" pageId="2" pageNumber="3" type="lectotype">lectotype</typeStatus>
) slender, strongly convex, BL
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; cuticle glossy, pigmentation moderately light brown, vestiture of setae light brown.
</paragraph>
<paragraph id="8BD68A7DFF99FFF4FF2B2D07FC23F819" blockId="2.[151,1437,788,2039]" pageId="2" pageNumber="3">
Head rhomboidal, slightly transverse and broadest at eyes, HL
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, HW
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; tempora in dorsal view distinctly longer than eyes and strongly converging posterad; vertex and frons confluent, weakly and evenly convex, posterior margin of vertex rounded, posteriorly convex, not bulging posterodorsad; supraantennal tubercles barely marked; frons between antennae steeply declining; clypeus with tiny anteromedian subtriangular tubercle (
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; arrowhead). Eyes moderately large, finely faceted, distinctly but not strongly projecting laterad from the head silhouette, in lateral view oval. Punctures on vertex and frons inconspicuous, fine and sparse; setae short and sparse, suberect, tempora densely covered with thick bristles directed laterocaudad. Antennae slender and loosely assembled, AnL
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; all antennomeres distinctly elongate, club tetramerous but antennomere 7 distinctly longer and broader than 6 so that club is not sharply delimited.
</paragraph>
<paragraph id="8BD68A7DFF99FFF5FF2B2CC2FD7EFEF6" blockId="2.[151,1437,788,2039]" lastBlockId="3.[151,1437,151,1869]" lastPageId="3" lastPageNumber="4" pageId="2" pageNumber="3">
Pronotum bell-shaped, with widest site variable, but close to middle (in some specimens indistinctly behind middle, in some indistinctly in front of middle), PL
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, PW
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; anterior margin arcuate and much shorter than posterior margin, anterior corners not marked, sides of pronotum in anterior 1/31/2 rounded and strongly converging anterad, sides in posterior half weakly convex and sub-parallel or indistinctly convergent posterad; posterior corners indistinctly obtuse-angled, distinctly marked; posterior margin nearly straight. Pronotal base with long transverse groove connecting lateral pair of minute and shallow pits, a pair of short but distinct longitudinal sublateral carinae and a pair of outer antebasal pits situated just laterad each carina, barely discernible in dorsal view and elongate. Disc dorsally covered with fine, inconspicuous punctures and moderately dense thin suberect setae, sides with dense thick bristles.
</paragraph>
<paragraph id="8BD68A7DFF98FFF5FF2B2A38FEB6FD8A" blockId="3.[151,1437,151,1869]" pageId="3" pageNumber="4">
Elytra oval, broadest slightly in front of middle, EL
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, EW
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, EI 1.231.33; basal impressions short and shallow, humeral calli prominent and elongate, each delimited from adscutellar region by elongate impression running posterolaterad, elytral apices separately rounded. Punctures on elytral disc fine, inconspicuous; setae long, sparse (but longer than spaces between their insertions) and strongly erect. Hind wings long, functional.
</paragraph>
<paragraph id="8BD68A7DFF98FFF5FF2B2974FD3EFDAE" blockId="3.[151,1437,151,1869]" box="[199,728,547,573]" pageId="3" pageNumber="4">Legs moderately long and slender, unmodified.</paragraph>
<paragraph id="8BD68A7DFF98FFF5FF2B2910FC86FD3A" blockId="3.[151,1437,151,1869]" pageId="3" pageNumber="4">
Abdomen (
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) modified, with sternites 6 and 7 each with a lateral pair of tubercles directed posteromesad, posterior margin between tubercles concave, sternite 6 between tubercles with two lateral transverse groups of densely and unevenly distributed peg-like cuticular projections.
</paragraph>
<paragraph id="8BD68A7DFF98FFF5FF2B29E4FEA1FC12" blockId="3.[151,1437,151,1869]" pageId="3" pageNumber="4">
Aedeagus (
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) stout, AeL
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; median lobe in ventral view broadest in subapical region, ventral apical plate with slender, nearly parallel-sided distal projection truncate at apex; endophallic structures symmetrical, with small sclerotized subapical median complex composed of short median tubular structure and a pair of slender sclerites convergent distad; parameres monstrously modified, strongly broadened, in lateral view strongly bent and with asymmetrical apices, each with triangular apex in ventral view directed distomesad, and with two groups of subapical setae.
</paragraph>
<paragraph id="8BD68A7DFF98FFF5FF2B28DCFE73FB82" blockId="3.[151,1437,151,1869]" pageId="3" pageNumber="4">
Female. Only
<specimenCount id="9D6F41F4FF98FFF5FE8428DCFE02FC36" box="[360,484,907,933]" pageId="3" pageNumber="4" type="female">one female</specimenCount>
was available for this study; it differs from all males in stouter elytra, antennomeres 811 distinctly shorter, not elongate, and unmodified abdomen. The clypeal denticle is present in female, although slightly smaller. BL
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; HL
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, HW
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, AnL
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; PL
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, PW
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; EL
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, EW
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, EI 1.18.
</paragraph>
</subSubSection>
<subSubSection id="C373D9F6FF98FFF5FF2B2F4DFD9CFBA6" box="[199,634,1050,1077]" pageId="3" pageNumber="4" type="distribution">
<paragraph id="8BD68A7DFF98FFF5FF2B2F4DFD9CFBA6" blockId="3.[151,1437,151,1869]" box="[199,634,1050,1077]" pageId="3" pageNumber="4">
<emphasis id="B91D566FFF98FFF5FF2B2F4DFE87FBA7" bold="true" box="[199,353,1050,1076]" pageId="3" pageNumber="4">Distribution.</emphasis>
<collectingCountry id="F37ECAEDFF98FFF5FE8B2F4CFE4DFBA6" box="[359,427,1051,1077]" name="Japan" pageId="3" pageNumber="4">Japan</collectingCountry>
: Honshu, Kyushu.
</paragraph>
</subSubSection>
<subSubSection id="C373D9F6FF98FFF5FF2B2F68FD6BF8DE" pageId="3" pageNumber="4" type="discussion">
<paragraph id="8BD68A7DFF98FFF5FF2B2F68FC63FAA2" blockId="3.[151,1437,151,1869]" pageId="3" pageNumber="4">
<emphasis id="B91D566FFF98FFF5FF2B2F68FEDDFBCA" bold="true" box="[199,315,1087,1113]" pageId="3" pageNumber="4">Remarks.</emphasis>
This species can be easily identified by external characters, including the unique body form, large, broad and somewhat flattened head, clypeal denticle, loose antennal structure, and conspicuous modifications of the abdomen in males. Known variability includes a wide range of body length, in males from
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, proportions of the pronotum and elytra (especially the pronotum can be indistinctly longer than wide, as long as wide or indistinctly wider than long), and the pronotal sculpture: in
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the transverse antebasal groove connecting lateral pits was found very shallow and barely observable, with an indistinct deepening at middle that may appear as a median pit, but in fact is a rudiment of the groove.
</paragraph>
<paragraph id="8BD68A7DFF98FFF5FF2B2E6CFBB8F90A" blockId="3.[151,1437,151,1869]" pageId="3" pageNumber="4">
<taxonomicName id="4C69F1FEFF98FFF5FF2B2E6CFE64FAC6" authorityName="Sharp" authorityYear="1886" box="[199,386,1339,1365]" class="Insecta" family="Staphylinidae" genus="Euconnus" kingdom="Animalia" order="Coleoptera" pageId="3" pageNumber="4" phylum="Arthropoda" rank="species" species="dulcis">
<emphasis id="B91D566FFF98FFF5FF2B2E6CFE64FAC6" box="[199,386,1339,1365]" italics="true" pageId="3" pageNumber="4">Euconnus dulcis</emphasis>
</taxonomicName>
was redescribed by
<bibRefCitation id="EFF8F78CFF98FFF5FD9E2E6CFCD2FAC6" author="Hoshina, H." box="[626,820,1339,1365]" pageId="3" pageNumber="4" pagination="201 - 202" refId="ref24966" refString="Hoshina, H. (2019 c) Taxonomic Note on the Genus Euconnus (Coleoptera: Staphylinidae: Scydmaeninae) from Japan (III). Japanese Journal of Systematic Entomology, 25 (2), 201 - 202." type="journal article" year="2019">Hoshina (2019c)</bibRefCitation>
. However, his description and illustrations are highly inaccurate. The body silhouette (
<bibRefCitation id="EFF8F78CFF98FFF5FDE02E08FD5AFAEA" author="Hoshina, H." box="[524,700,1375,1401]" pageId="3" pageNumber="4" pagination="201 - 202" refId="ref24966" refString="Hoshina, H. (2019 c) Taxonomic Note on the Genus Euconnus (Coleoptera: Staphylinidae: Scydmaeninae) from Japan (III). Japanese Journal of Systematic Entomology, 25 (2), 201 - 202." type="journal article" year="2019">Hoshina 2019c</bibRefCitation>
: fig. 1) is incorrect, both in proportions of body parts and in the shape of the pronotum. Moreover, each of the
<specimenCount id="9D6F41F4FF98FFF5FD792ED4FCC1FA0E" box="[661,807,1411,1437]" pageId="3" pageNumber="4" type="generic" typeStatus="syntypes">two syntypes</specimenCount>
have a deep and distinct antebasal transverse impression connecting the inner pair of pronotal pits, and a pair of short sublateral antebasal carinae separating inner and outer pits (the latter situated more laterally then illustrated by Hoshina and much smaller) but these features were neither illustrated nor mentioned in the redescription. The conspicuous median clypeal denticle and modified abdominal sternites, the most remarkable external features of this species, were not even mentioned. The aedeagus illustrated in
<bibRefCitation id="EFF8F78CFF98FFF5FF582D60FE8CF9C2" author="Hoshina, H." box="[180,362,1591,1617]" pageId="3" pageNumber="4" pagination="201 - 202" refId="ref24966" refString="Hoshina, H. (2019 c) Taxonomic Note on the Genus Euconnus (Coleoptera: Staphylinidae: Scydmaeninae) from Japan (III). Japanese Journal of Systematic Entomology, 25 (2), 201 - 202." type="journal article" year="2019">Hoshina (2019c</bibRefCitation>
: figs 24) is unskillfully drawn and the shape and proportions of the apical region (especially in lateral view), the shape of parameres, and the distribution and number of parameral setae do not agree with features seen in the
<typeStatus id="54D234DFFF98FFF5FEFA2D28FE9BF90A" box="[278,381,1663,1689]" pageId="3" pageNumber="4" type="lectotype">lectotype</typeStatus>
male and non-type specimens examined during the present study.
</paragraph>
<paragraph id="8BD68A7DFF98FFF5FF2B2DF4FD6BF8DE" blockId="3.[151,1437,151,1869]" pageId="3" pageNumber="4">
<taxonomicName id="4C69F1FEFF98FFF5FF2B2DF4FE67F92E" authorityName="Sharp" authorityYear="1886" box="[199,385,1699,1725]" class="Insecta" family="Staphylinidae" genus="Euconnus" kingdom="Animalia" order="Coleoptera" pageId="3" pageNumber="4" phylum="Arthropoda" rank="species" species="dulcis">
<emphasis id="B91D566FFF98FFF5FF2B2DF4FE67F92E" box="[199,385,1699,1725]" italics="true" pageId="3" pageNumber="4">Euconnus dulcis</emphasis>
</taxonomicName>
was placed in the nominotypical subgenus by
<bibRefCitation id="EFF8F78CFF98FFF5FC7B2DF4FBCEF92E" author="Csiki, E." box="[919,1064,1699,1725]" pageId="3" pageNumber="4" pagination="106" refId="ref24424" refString="Csiki, E. (1919) Pars 70: Scydmaenidae. In: Schenkling, S. &amp; Junk, W. (Eds.), Coleopterorum Catalogus. Vol. 7. W. Junk, Berlin, pp. 106." type="book chapter" year="1919">Csiki (1919)</bibRefCitation>
.
<bibRefCitation id="EFF8F78CFF98FFF5FBD92DF4FB14F92E" author="Hoshina, H." box="[1077,1266,1699,1725]" pageId="3" pageNumber="4" pagination="201 - 202" refId="ref24966" refString="Hoshina, H. (2019 c) Taxonomic Note on the Genus Euconnus (Coleoptera: Staphylinidae: Scydmaeninae) from Japan (III). Japanese Journal of Systematic Entomology, 25 (2), 201 - 202." type="journal article" year="2019">Hoshina (2019c)</bibRefCitation>
apparently did not know about this long-established placement, as he stated: “I do not put
<taxonomicName id="4C69F1FEFF98FFF5FC1E2D90FB4AF972" authorityName="Sharp" authorityYear="1886" box="[1010,1196,1735,1761]" class="Insecta" family="Staphylinidae" genus="Euconnus" kingdom="Animalia" order="Coleoptera" pageId="3" pageNumber="4" phylum="Arthropoda" rank="species" species="dulcis">
<emphasis id="B91D566FFF98FFF5FC1E2D90FB4AF972" box="[1010,1196,1735,1761]" italics="true" pageId="3" pageNumber="4">Euconnus dulcis</emphasis>
</taxonomicName>
in a subgenus at this time”. I confirm Csikis decision as correct.
<taxonomicName id="4C69F1FEFF98FFF5FD682DBCFCDBF896" authorityName="Sharp" authorityYear="1886" box="[644,829,1771,1797]" class="Insecta" family="Staphylinidae" genus="Euconnus" kingdom="Animalia" order="Coleoptera" pageId="3" pageNumber="4" phylum="Arthropoda" rank="species" species="dulcis">
<emphasis id="B91D566FFF98FFF5FD682DBCFCDBF896" box="[644,829,1771,1797]" italics="true" pageId="3" pageNumber="4">Euconnus dulcis</emphasis>
</taxonomicName>
belongs in
<taxonomicName id="4C69F1FEFF98FFF5FC512DBCFBCDF897" box="[957,1067,1771,1796]" class="Insecta" family="Staphylinidae" genus="Euconnus" kingdom="Animalia" order="Coleoptera" pageId="3" pageNumber="4" phylum="Arthropoda" rank="genus">
<emphasis id="B91D566FFF98FFF5FC512DBCFBCDF897" box="[957,1067,1771,1796]" italics="true" pageId="3" pageNumber="4">Euconnus</emphasis>
</taxonomicName>
(s. str.) based on the tetramerous and in males unmodified antennal club, the bell-shaped pronotum with an even number of antebasal pits, and the aedeagus with non-emarginate apical region.
</paragraph>
</subSubSection>
</treatment>
</document>