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<document ID-CLB-Dataset="6744" ID-DOI="http://dx.doi.org/10.3897/dez.68.66200" ID-GBIF-Dataset="22670907-a451-4089-a3b0-e16edba09a28" ID-Pensoft-Pub="1860-1324-1-189" ID-Pensoft-UUID="84A6EF91377850DF803DE5E2A4062204" ID-ZooBank="F88F5F2BEC5A408E98190188E87DB024" ModsDocID="1860-1324-1-189" checkinTime="1621365470254" checkinUser="pensoft" docAuthor="Yang, Zhen-ming, Jia, Fenglong, Jiang, Lu &amp; Guo, Qiang" docDate="2021" docId="4980FE22B34159BAA7D69E6A6542C9A2" docLanguage="en" docName="DeutEntomolZeit 68(1): 189-205" docOrigin="Deutsche Entomologische Zeitschrift 68 (1)" docPubDate="2021-05-18" docSource="http://dx.doi.org/10.3897/dez.68.66200" docTitle="Agraphydrus sabulosus Yang &amp; Jia 2021, sp. nov." docType="treatment" docUuid="A752C9B0-3C60-4426-AC26-F0E2DE083E0D" docUuidSource="ZooBank" docVersion="5" id="84A6EF91377850DF803DE5E2A4062204" lastPageNumber="189" masterDocId="84A6EF91377850DF803DE5E2A4062204" masterDocTitle="Four new species of Agraphydrus Regimbart, 1903 with additional faunastic record from China (Coleoptera, Hydrophilidae, Acidocerinae)" masterLastPageNumber="205" masterPageNumber="189" pageNumber="189" updateTime="1732802310598" updateUser="ExternalLinkService">
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<mods:title id="87B1AA88D7F892FA9458D637E045187E">Four new species of Agraphydrus Regimbart, 1903 with additional faunastic record from China (Coleoptera, Hydrophilidae, Acidocerinae)</mods:title>
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<mods:name id="0DD187769823F97B963F366A803ACFDA" type="personal">
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<mods:roleTerm id="2F0C9F97F5D20A2ABE4F076985E6C837">Author</mods:roleTerm>
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<mods:namePart id="204479EADED9E4F397B14FD45D95094B">Yang, Zhen-ming</mods:namePart>
<mods:nameIdentifier id="EE2F0B69BBD3FACEFE5BC30A201F6087" type="ORCID">https://orcid.org/0000-0001-7838-8605</mods:nameIdentifier>
<mods:affiliation id="9B55027119A656EF30C0FD04A1E25CA5">Institute of Entomology, Life Sciences School, Sun Yat-sen University, Guangzhou, 510275, Guangdong, China</mods:affiliation>
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<mods:namePart id="E316AE778450BE650291EC56C6576898">Jia, Fenglong</mods:namePart>
<mods:affiliation id="3F7A757ACCFE73739CA179CD4A79B013">Institute of Entomology, Life Sciences School, Sun Yat-sen University, Guangzhou, 510275, Guangdong, China</mods:affiliation>
<mods:nameIdentifier id="9024D5D410EFE306FB19AA54DD9E1DFB" type="email">lssjfl@mail.sysu.edu.cn</mods:nameIdentifier>
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<mods:namePart id="8A50342DB83CFA078DB2D6E6C7AA3A3D">Jiang, Lu</mods:namePart>
<mods:affiliation id="7C9DFFDCB9AA6A203F359EE5D643EF3F">Shenzhen Wilde life Conservation Division, Shenzhen, China</mods:affiliation>
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<mods:namePart id="8D1620D174F308BA4506FE2B7D8B4535">Guo, Qiang</mods:namePart>
<mods:affiliation id="E55A7FE366E620458FB94E61C9E35D8A">Shenzhen Wilde life Conservation Division, Shenzhen, China</mods:affiliation>
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<mods:typeOfResource id="3CEEB3A9F9D5C7988D3F66B2CF8BEFF0">text</mods:typeOfResource>
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<mods:title id="2AB010EA5C71D654D364AB6AC74F52C2">Deutsche Entomologische Zeitschrift</mods:title>
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<mods:date id="A49F31ECF652A4687D2D95A6CFB11788">2021</mods:date>
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<mods:number id="F55678A6AFE61AD0F0794D448D7D7655">2021-05-18</mods:number>
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<mods:number id="8FB801B88DA598B469BCACF329E5A323">68</mods:number>
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<mods:number id="EF601E3213C84F6F67F51B81C8C69FBA">1</mods:number>
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<mods:url id="6D12674FCBE375894230CE33695CB878">http://dx.doi.org/10.3897/dez.68.66200</mods:url>
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<mods:classification id="BCF25DE98D586097947F31682CBF89C6">journal article</mods:classification>
<mods:identifier id="BC5E0E4CC35FE669442E93FE413C2A95" type="DOI">http://dx.doi.org/10.3897/dez.68.66200</mods:identifier>
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<treatment id="4980FE22B34159BAA7D69E6A6542C9A2" ID-GBIF-Taxon="182223090" LSID="urn:lsid:zoobank.org:act:A752C9B0-3C60-4426-AC26-F0E2DE083E0D" httpUri="http://treatment.plazi.org/id/4980FE22B34159BAA7D69E6A6542C9A2" lastPageNumber="189" pageId="0" pageNumber="189" scope_family="Hydrophilidae" scope_order="Coleoptera" scope_subFamily="Acidocerinae">
<subSubSection id="6A436FE9C5A8D93886DC9EBAEA7A5275" pageId="0" pageNumber="189" type="nomenclature">
<paragraph id="103076328C19C5214E30335678DC13D3" pageId="0" pageNumber="189">
<taxonomicName id="05EABBCA0185F57D5E542DE7F2A8132A" ID-CoL="8XT9S" LSID="http://zoobank.org/A752C9B0-3C60-4426-AC26-F0E2DE083E0D" authority="Yang &amp; Jia" authorityName="Yang &amp; Jia" authorityYear="2021" class="Insecta" family="Hydrophilidae" genus="Agraphydrus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Agraphydrus sabulosus" order="Coleoptera" pageId="0" pageNumber="189" phylum="Arthropoda" rank="species" species="sabulosus" status="sp. nov.">Agraphydrus sabulosus Yang &amp; Jia</taxonomicName>
<taxonomicNameLabel id="B473263F5563DF2B7C571FB1343FB6E6" pageId="0" pageNumber="189">sp. nov.</taxonomicNameLabel>
<figureCitation id="7A5009A60059294E11C29AD0870D36D7" captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Habitus: A, B. Agraphydrus pseudoniger sp. nov. C, D. Agraphydrus sabulosus sp. nov." figureDoi="10.3897/dez.68.66200.figure2" httpUri="https://binary.pensoft.net/fig/544290" pageId="0" pageNumber="189">Figs 2C, D</figureCitation>
<figureCitation id="3AA84E3E6D2E3E761E5CEFEC5BB137EF" captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. Agraphydrus sabulosus sp. nov.: A. Clypeus; B. Antennae; C. Maxillary palpi; D. Mentum; E. Mesoventrite; F. Ventrite 5; G. Profemora; H. Mesofemora; I. Metafemora." figureDoi="10.3897/dez.68.66200.figure6" httpUri="https://binary.pensoft.net/fig/544294" pageId="0" pageNumber="189">; 6</figureCitation>
<figureCitation id="B2CB9E664FF747FE4E10D36837866532" captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Aedeagi: A. Agraphydrus dapengensis sp. nov.; B. Agraphydrus komareki sp. nov.; C. Agraphydrus pseudoniger sp. nov.; D. Agraphydrus sabulosus sp. nov." figureDoi="10.3897/dez.68.66200.figure7" httpUri="https://binary.pensoft.net/fig/544295" pageId="0" pageNumber="189">; 7D</figureCitation>
</paragraph>
</subSubSection>
<subSubSection id="6A3BD73C2252B49324B631210FC7A98E" pageId="0" pageNumber="189" type="type locality">
<paragraph id="865305211B14F170AD1BA4C9E9C201D5" pageId="0" pageNumber="189">Type locality.</paragraph>
<paragraph id="6742DF8F36254FC553E24876FC10E42A" pageId="0" pageNumber="189">China, Guangdong Province, Fengkai County, Heishiding Nature Reserve.</paragraph>
</subSubSection>
<subSubSection id="DA79D3D8B3E1271B2965F9BF8C655F36" pageId="0" pageNumber="189" type="materials_examined">
<paragraph id="5ED139D341A5E29D3A2834D6F3B944B7" pageId="0" pageNumber="189">Material examined.</paragraph>
<paragraph id="6EFF008CCF68AC8E69674C89E8BACC52" pageId="0" pageNumber="189">
<materialsCitation id="8822D06F645A4B8250A6B383BC50030D" collectingDate="2014-12-20" collectingDateMax="2014-12-22" collectingDateMin="2014-12-20" collectorName="Fenglong Jia, Renchao Lin, Yudan Tang" country="CHINA" latitude="23.516666" location="Heishiding Nature Reserve" longLatPrecision="1255" longitude="111.86667" municipality="Fengkai" specimenCount="1" stateProvince="Guangdong Province" typeStatus="Holotype">
<emphasis id="072CFC65F089D8573DDA15166EE81CB9" bold="true" pageId="0" pageNumber="189">
<emphasis id="A2C0035E882A00F75CBA0F358EBA127B" italics="true" pageId="0" pageNumber="189">
<typeStatus id="D58A5612B66D9D268F74F136B654C0F5">Holotype</typeStatus>
</emphasis>
:
</emphasis>
male (SYSU);
<collectingCountry id="2EAE0113957640BAC56CA524AD2675FC" name="China">CHINA</collectingCountry>
:
<collectingRegion id="E906993D948393DED583E4D117E468F2" country="China" name="Guangdong">Guangdong Province</collectingRegion>
,
<collectingMunicipality id="6E0084E7DAB0294773E4B55EB6BE950C">Fengkai</collectingMunicipality>
,
<location id="2646F503282161465AD9233EFDEA5E07" LSID="urn:lsid:plazi:treatment:4980FE22B34159BAA7D69E6A6542C9A2:2646F503282161465AD9233EFDEA5E07" country="CHINA" latitude="23.516666" longLatPrecision="1255" longitude="111.86667" municipality="Fengkai" name="Heishiding Nature Reserve" stateProvince="Guangdong Province">Heishiding Nature Reserve</location>
, ca
<geoCoordinate id="D30D3BC5ADB726FB9E776EF15CFFBEEC" degrees="23" direction="north" minutes="31" orientation="latitude" precision="925" value="23.516666">23°31'N</geoCoordinate>
,
<geoCoordinate id="E98A1B2A303A7FE73244A8B475916AE7" degrees="111" direction="east" minutes="52" orientation="longitude" precision="925" value="111.86667">111°52'E</geoCoordinate>
,
<collectingDate id="9B12F1F3FC07C16F228CE004861AD015" value="2014-12-20" valueMax="2014-12-22" valueMin="2014-12-20">20-22.xii.2014</collectingDate>
,
<collectorName id="ECC6C1CF6C12D24146EB8722F6D7B1CF">Fenglong Jia</collectorName>
,
<collectorName id="09AF06AD11B637712EA2191C1A6AD63F">Renchao Lin</collectorName>
,
<collectorName id="848AC84FEA4AC673DAB3470C87D0427A">Yudan Tang</collectorName>
leg.
</materialsCitation>
<emphasis id="8CE2F19A98B3FCAFADBD28341339447A" bold="true" italics="true" pageId="0" pageNumber="189">
<typeStatus id="52F1EBC6655A31746DBE1E8AAE85A38E">Paratypes</typeStatus>
</emphasis>
: (
<specimenCount id="E78CBA7CC9D3DA1986D421AF2C9D09CA" type="generic">9 exs.</specimenCount>
, IZCAS, SYSU):
<materialsCitation id="3214398F6E30A7E9322756FBD6751520" collectingDate="2021-01-01" collectingDateMax="2021-12-31" collectingDateMin="2021-01-01" collectorName="Fenglong Jia &amp; Renchao Lin &amp; Yudan Tang" country="China" latitude="23.516666" location="Heishiding Nature Reserve" longLatPrecision="1255" longitude="111.86667" municipality="Fengkai" specimenCount="4" stateProvince="Guangdong" typeStatus="paratype">
<specimenCount id="F98DF191F30DD10BE0C9AD01888C28FA" type="generic">4 exs.</specimenCount>
, same data as holotype
</materialsCitation>
;
<materialsCitation id="E3469644C0CA8FB82F3486E1E151BD15" collectingDate="2015-06-21" collectorName="Renchao Lin, Yudan Tang." country="China" elevation="846" latitude="25.919722" location="Guanggushan Nature Reserve" longLatPrecision="20" longitude="114.05112" municipality="Shangyou Country" specimenCount="5" stateProvince="Jiangxi Province" typeStatus="paratype">
<specimenCount id="B81BD8BBB3F18DEEDA0DCBC54D3A609C" type="generic">5 exs.</specimenCount>
,
<collectingRegion id="5AF5E5A1ABB18BC59D9BB34148298B2C" country="China" name="Jiangxi">Jiangxi Province</collectingRegion>
,
<collectingMunicipality id="DD6CF8AFA07EF575ED4F3DDC2266E82D">Shangyou Country</collectingMunicipality>
,
<location id="DFC847EED2C31FDE16EF5F1FFF048C44" LSID="urn:lsid:plazi:treatment:4980FE22B34159BAA7D69E6A6542C9A2:DFC847EED2C31FDE16EF5F1FFF048C44" country="China" latitude="25.919722" longLatPrecision="20" longitude="114.05112" municipality="Shangyou Country" name="Guanggushan Nature Reserve" stateProvince="Jiangxi Province">Guanggushan Nature Reserve</location>
,
<quantity id="11BB3F4E45E64AF59E400442617532A8" metricMagnitude="2" metricUnit="m" metricValue="8.459999999999999" unit="m" value="846.0">
<elevation id="0AE7C4503DBA17462112D5A0A4502625" metricMagnitude="2" metricUnit="m" metricValue="8.459999999999999" unit="m" value="846.0">846m</elevation>
</quantity>
a.s.l,
<geoCoordinate id="FC84FDD442B594FB6C4A88C5CD96A360" degrees="25" direction="north" minutes="55" orientation="latitude" precision="15" seconds="11" value="25.919722">25°55'11&quot;N</geoCoordinate>
,
<geoCoordinate id="2361D84CDA4DDB2A09A58C33C66F8448" degrees="114" direction="east" minutes="03" orientation="longitude" precision="15" seconds="04" value="114.05112">114°03'04&quot;E</geoCoordinate>
,
<collectingDate id="286DA71B0E4092BF1F46E71611FF1E3F" value="2015-06-21">21.vi.2015</collectingDate>
. leg.
<collectorName id="EFDBEFCA753416174FDE08CE3AF4DEF8">Renchao Lin</collectorName>
,
<collectorName id="24C704D8D62CAFB43EB3BA26F9905CFA">Yudan Tang.</collectorName>
</materialsCitation>
</paragraph>
</subSubSection>
<subSubSection id="5217101AEF6BDC4AF54F58CF8F6F7CEF" pageId="0" pageNumber="189" type="diagnosis">
<paragraph id="675DD04BF9DADF84B9D49DAE9F4D628C" pageId="0" pageNumber="189">Diagnosis.</paragraph>
<paragraph id="4856727E657A27497EE33D8588025884" pageId="0" pageNumber="189">
This species is distinguished from the other species of
<taxonomicName id="35A8AF8533BB4597CA7A552ED4DAB665" class="Insecta" family="Hydrophilidae" genus="Agraphydrus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Agraphydrus" order="Coleoptera" pageId="0" pageNumber="189" phylum="Arthropoda" rank="genus">
<emphasis id="51E931FBD107FCA801C06CF2AA552257" italics="true" pageId="0" pageNumber="189">Agraphydrus</emphasis>
</taxonomicName>
by the following combination of characters: labrum, clypeus and frons black; preocular spots present; clypeus entirely microsculptured; maxillary palpi with apical palpomere about 1.5
<normalizedToken id="946B143DA4C2371EC440845228BE20EA" originalValue="×">x</normalizedToken>
as long as the penultimate one, palpomere 4 without apical infuscation; antennae with 9 antennomeres; elytra with four irregular series of coarse punctures; meso- and metafemora pubescent in about basal 2/3; aedeagus with median lobe narrowing toward the apex; parameres with obvious subapical constriction.
</paragraph>
</subSubSection>
<subSubSection id="93B440E9B2E467F031159C74D5D0A04E" pageId="0" pageNumber="189" type="description">
<paragraph id="5DD1C19405FE170B7DC7FCDC0527C413" pageId="0" pageNumber="189">Description.</paragraph>
<paragraph id="57EABD54D2EA1A4D6009E29E63002BDC" pageId="0" pageNumber="189">
<emphasis id="BBB7FB8316BB0A47780051A928FF3177" bold="true" pageId="0" pageNumber="189">
<emphasis id="ADC6E77D6D37B0DF2362294DB3386D38" italics="true" pageId="0" pageNumber="189">Form and color</emphasis>
.
</emphasis>
Total length: 1.9-2.1 mm; elytral width: 1.0-1.1 mm; E.I.:1.1-1.3, P.I.:1.3-2.2, elytra 3-4
<normalizedToken id="1E4C37ED94C2B4399D9C4DF18BF13A3C" originalValue="×">x</normalizedToken>
as long as pronotum. Body moderately oval, moderately broad, slightly convex dorsally. Labrum and frons black, clypeus black mesally with yellow preocular patches, as wide as eyes; maxillary palpi unicolored yellow; pronotum unicolored light yellow or dark brown mesally with light red brown margin; elytra light yellow or light yellow mesally, lateral and anterioral margin black. Ventrites black; legs light to dark brown.
</paragraph>
<paragraph id="9C024519F65D543C045A1D403B0EDB90" pageId="0" pageNumber="189">
<emphasis id="18E603BACE402296D04BBDF70C1A9C8D" bold="true" pageId="0" pageNumber="189">
<emphasis id="9CE54F3818112B3D972E3816200F0325" italics="true" pageId="0" pageNumber="189">Head</emphasis>
.
</emphasis>
Labrum entirely microsculptured, with several punctures at the anterior margin. Clypeus (Fig.
<figureCitation id="77D9F9081786DE46587AE215ECD7CB53" captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. Agraphydrus sabulosus sp. nov.: A. Clypeus; B. Antennae; C. Maxillary palpi; D. Mentum; E. Mesoventrite; F. Ventrite 5; G. Profemora; H. Mesofemora; I. Metafemora." figureDoi="10.3897/dez.68.66200.figure6" httpUri="https://binary.pensoft.net/fig/544294" pageId="0" pageNumber="189">6A</figureCitation>
) almost entire surface covered by microsculpture, absent only from a small posterior region; ground punctures only present at the non-microsculptured area, as on frons, interspaces 1-2
<normalizedToken id="126ADB95342B675667D985B117257040" originalValue="×">x</normalizedToken>
as large as punctures; clypeus and frons with distinct systematic punctures. Eyes moderately large, distinctly protruding. Antennae (Fig.
<figureCitation id="E48C774455FE0197A6C8C64A967C5775" captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. Agraphydrus sabulosus sp. nov.: A. Clypeus; B. Antennae; C. Maxillary palpi; D. Mentum; E. Mesoventrite; F. Ventrite 5; G. Profemora; H. Mesofemora; I. Metafemora." figureDoi="10.3897/dez.68.66200.figure6" httpUri="https://binary.pensoft.net/fig/544294" pageId="0" pageNumber="189">6B</figureCitation>
) with nine antennomeres. Maxillary palpi (Fig.
<figureCitation id="A0B502875AF467584FA11700A48FC673" captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. Agraphydrus sabulosus sp. nov.: A. Clypeus; B. Antennae; C. Maxillary palpi; D. Mentum; E. Mesoventrite; F. Ventrite 5; G. Profemora; H. Mesofemora; I. Metafemora." figureDoi="10.3897/dez.68.66200.figure6" httpUri="https://binary.pensoft.net/fig/544294" pageId="0" pageNumber="189">6C</figureCitation>
) 1.2-1.5
<normalizedToken id="6339204469B921F72E160CA9C692E9F8" originalValue="×">x</normalizedToken>
as long as pronotum in midline, 1.0-1.1
<normalizedToken id="000EC82E1C395F93C619753C5DEB70FD" originalValue="×">x</normalizedToken>
as long as maximum width of clypeus; length ratio palpomere 4:3 =1.4-1.5, palpomere 4 asymmetrical. Mentum (Fig.
<figureCitation id="A3ECCEBF11BF76ED7937E141D11B8D9B" captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. Agraphydrus sabulosus sp. nov.: A. Clypeus; B. Antennae; C. Maxillary palpi; D. Mentum; E. Mesoventrite; F. Ventrite 5; G. Profemora; H. Mesofemora; I. Metafemora." figureDoi="10.3897/dez.68.66200.figure6" httpUri="https://binary.pensoft.net/fig/544294" pageId="0" pageNumber="189">6D</figureCitation>
) with several coarse punctures in lateral portion, without microsculpture.
</paragraph>
<caption id="40E772D197B69CAA49A21C731EBCE852" doi="10.3897/dez.68.66200.figure6" httpUri="https://binary.pensoft.net/fig/544294" pageId="0" pageNumber="189" start="Figure 6" startId="F6">
<paragraph id="9074F66990A4C7116BDF6287855B0238" pageId="0" pageNumber="189">
<emphasis id="66126756C80C1F704A37213824F2AD1E" bold="true" pageId="0" pageNumber="189">Figure 6.</emphasis>
<taxonomicName id="A26D25413584EC9E800F3B5C5BFE4667" authorityName="Yang &amp; Jia" authorityYear="2021" class="Insecta" family="Hydrophilidae" genus="Agraphydrus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Agraphydrus sabulosus" order="Coleoptera" pageId="0" pageNumber="189" phylum="Arthropoda" rank="species" species="sabulosus">
<emphasis id="80A518C346487A89AE261A6E30116D08" italics="true" pageId="0" pageNumber="189">Agraphydrus sabulosus</emphasis>
</taxonomicName>
sp. nov.:
<emphasis id="E1AA5DB67F85D0CB01580BDF0838FB4D" bold="true" pageId="0" pageNumber="189">A.</emphasis>
Clypeus;
<emphasis id="A4F2039BDC9C8F7C2DBCB6963C101FA0" bold="true" pageId="0" pageNumber="189">B.</emphasis>
Antennae;
<emphasis id="9ED3D9B50C9495F7F2D893CB4896B96B" bold="true" pageId="0" pageNumber="189">C.</emphasis>
Maxillary palpi;
<emphasis id="8BFDDA5912DDBD4FF1D24997DFC77723" bold="true" pageId="0" pageNumber="189">D.</emphasis>
Mentum;
<emphasis id="9D266D3900BEC6701D6572DEAE728216" bold="true" pageId="0" pageNumber="189">E.</emphasis>
Mesoventrite;
<emphasis id="8CA5D8922A48A921F3FC88C8D570043A" bold="true" pageId="0" pageNumber="189">F.</emphasis>
Ventrite 5;
<emphasis id="D9345CEAEF190E0ADDA48752B0C324C5" bold="true" pageId="0" pageNumber="189">G.</emphasis>
Profemora;
<emphasis id="CC4F783282A653B0274F6E78305BA145" bold="true" pageId="0" pageNumber="189">H.</emphasis>
Mesofemora;
<emphasis id="AAAEC08931D6C3B01119A8C8FC7D81F6" bold="true" pageId="0" pageNumber="189">I.</emphasis>
Metafemora.
</paragraph>
</caption>
<paragraph id="EDA7E201BE294AA5A97AEF621E14A983" pageId="0" pageNumber="189">
<emphasis id="ACA58E1388B71A76BB9F7AB9E96E298A" bold="true" pageId="0" pageNumber="189">
<emphasis id="6DDE96A971B51C10EB5D2E9178255672" italics="true" pageId="0" pageNumber="189">Thorax</emphasis>
.
</emphasis>
Pronotum ca. 3-4
<normalizedToken id="BA7324BF5485AC53CF333A9A7FAA1F90" originalValue="×">x</normalizedToken>
as wide as long, pronotal ground punctures as on frons and clypeus, surface between ground punctures smooth, without microsculpture; systematic punctures distinct, located at the middle of the lateral margin. Elytral ground punctures as that on head and pronotum; systematic punctures distinct, arranged into 4 rows, mesal row not reaching anterior margin, intervals without coarse punctures. Prosternum weakly convex, not carinate medially, with a transverse groove. Mesoventrite (Fig.
<figureCitation id="6E0801E78367FABA3561F71515378E7B" captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. Agraphydrus sabulosus sp. nov.: A. Clypeus; B. Antennae; C. Maxillary palpi; D. Mentum; E. Mesoventrite; F. Ventrite 5; G. Profemora; H. Mesofemora; I. Metafemora." figureDoi="10.3897/dez.68.66200.figure6" httpUri="https://binary.pensoft.net/fig/544294" pageId="0" pageNumber="189">6E</figureCitation>
) slightly bulged. Metaventrite with a bulge mesally, hydrofuge pubescence present on the surface, only absent from a small area on posteromedian part.
</paragraph>
<paragraph id="0EAF9F29B98DE07C6EA8BBFC9C8A8914" pageId="0" pageNumber="189">
<emphasis id="836988CD78C0B0630A56261BF56DCCE1" bold="true" pageId="0" pageNumber="189">
<emphasis id="062009C39361A88A6176F2D97DC09BFB" italics="true" pageId="0" pageNumber="189">Legs</emphasis>
.
</emphasis>
Pubescence present on proximal 2/3 of femora (Fig.
<figureCitation id="D30791040BE7DB2BF442B86371DE3F4F" captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. Agraphydrus sabulosus sp. nov.: A. Clypeus; B. Antennae; C. Maxillary palpi; D. Mentum; E. Mesoventrite; F. Ventrite 5; G. Profemora; H. Mesofemora; I. Metafemora." figureDoi="10.3897/dez.68.66200.figure6" httpUri="https://binary.pensoft.net/fig/544294" pageId="0" pageNumber="189">6G, H, I</figureCitation>
), hairline oblique on pro- and mesofemora, straight on metafemora.
</paragraph>
<paragraph id="ED16B85C1EC9DB31A0F3CC9D1B7A1B30" pageId="0" pageNumber="189">
<emphasis id="3417E73680554E04983F781CD7F7607C" bold="true" pageId="0" pageNumber="189">
<emphasis id="A599C54B2519D188EC05BDBAD4FE7EE9" italics="true" pageId="0" pageNumber="189">Abdomen</emphasis>
.
</emphasis>
Ventrite 5 (Fig.
<figureCitation id="BA5884685DC6CA8CF0C5C680B853B64E" captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. Agraphydrus sabulosus sp. nov.: A. Clypeus; B. Antennae; C. Maxillary palpi; D. Mentum; E. Mesoventrite; F. Ventrite 5; G. Profemora; H. Mesofemora; I. Metafemora." figureDoi="10.3897/dez.68.66200.figure6" httpUri="https://binary.pensoft.net/fig/544294" pageId="0" pageNumber="189">6F</figureCitation>
) trapezoidal, with distinct semicircular apical emargination.
</paragraph>
<paragraph id="B1EF03A789A23D214EF4710646244619" pageId="0" pageNumber="189">
<emphasis id="46E6F1DB2502C5958D369A787F68C32A" bold="true" italics="true" pageId="0" pageNumber="189">Aedeagus</emphasis>
(Fig.
<figureCitation id="3754A7DF1694A1C70FF0B575DA5C3AA3" captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Aedeagi: A. Agraphydrus dapengensis sp. nov.; B. Agraphydrus komareki sp. nov.; C. Agraphydrus pseudoniger sp. nov.; D. Agraphydrus sabulosus sp. nov." figureDoi="10.3897/dez.68.66200.figure7" httpUri="https://binary.pensoft.net/fig/544295" pageId="0" pageNumber="189">7D</figureCitation>
). Length: 0.3 mm. The length of the phallobase 2/3
<normalizedToken id="6616A28B3943377EA5F949C78CDBAE45" originalValue="×">x</normalizedToken>
as long as the parameres, margin distinct bend toward slender, pointed manubrium. Apex of parameres obtuse, moderately flat; lateral margin is curved in basal 3/4, sunken in apical 1/4; mesal margin slanted but straight; base extending into about 1/3 of phallobase. Median lobe wide basally, narrowing toward apex, apex delicate; corona moderately large, locating at middle of the median lobe; basal apophyses slender and moderately long, slightly bending laterad; reaching the 1/3 of the phallobase.
</paragraph>
<caption id="4C060CA14C620D4F93E403853900F675" doi="10.3897/dez.68.66200.figure7" httpUri="https://binary.pensoft.net/fig/544295" pageId="0" pageNumber="189" start="Figure 7" startId="F7">
<paragraph id="1816267FC0AB8D30ADA03CFEADE9826E" pageId="0" pageNumber="189">
<emphasis id="05F573ACD74F00BEA022E3FDF8EB47AF" bold="true" pageId="0" pageNumber="189">Figure 7.</emphasis>
Aedeagi:
<emphasis id="1ED5F7E2A7236FA7E2B05B8DFDE868DD" bold="true" pageId="0" pageNumber="189">A.</emphasis>
<taxonomicName id="C2EFE0AE50C4946BA43A14C62DAA893A" authorityName="Yang &amp; Jia" authorityYear="2021" class="Insecta" family="Hydrophilidae" genus="Agraphydrus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Agraphydrus dapengensis" order="Coleoptera" pageId="0" pageNumber="189" phylum="Arthropoda" rank="species" species="dapengensis">
<emphasis id="434354639FA8AE890E7EC798B8C93484" italics="true" pageId="0" pageNumber="189">Agraphydrus dapengensis</emphasis>
</taxonomicName>
sp. nov.;
<emphasis id="881AAA91DAF11D54D6D4D783F8E3BABE" bold="true" pageId="0" pageNumber="189">B.</emphasis>
<taxonomicName id="5CE4C8D8C89FB130517AD6DDB26AB676" authorityName="Yang &amp; Jia" authorityYear="2021" class="Insecta" family="Hydrophilidae" genus="Agraphydrus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Agraphydrus komareki" order="Coleoptera" pageId="0" pageNumber="189" phylum="Arthropoda" rank="species" species="komareki">
<emphasis id="12B1C3540ECA9D11EEDEC67067B95745" italics="true" pageId="0" pageNumber="189">Agraphydrus komareki</emphasis>
</taxonomicName>
sp. nov.;
<emphasis id="134AD9FB6C0A1B5D699EDFF5E1AB1DEB" bold="true" pageId="0" pageNumber="189">C.</emphasis>
<taxonomicName id="8E9775AFD710DD0099736E7004864BBC" authorityName="Yang &amp; Jia" authorityYear="2021" class="Insecta" family="Hydrophilidae" genus="Agraphydrus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Agraphydrus pseudoniger" order="Coleoptera" pageId="0" pageNumber="189" phylum="Arthropoda" rank="species" species="pseudoniger">
<emphasis id="391AC4FC33DFFC59628F735218D8670F" italics="true" pageId="0" pageNumber="189">Agraphydrus pseudoniger</emphasis>
</taxonomicName>
sp. nov.;
<emphasis id="75C17AC13B936613CD7E9DB58C204AB7" bold="true" pageId="0" pageNumber="189">D.</emphasis>
<taxonomicName id="E27525EA35A6121B1CF241E8ED73967B" authorityName="Yang &amp; Jia" authorityYear="2021" class="Insecta" family="Hydrophilidae" genus="Agraphydrus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Agraphydrus sabulosus" order="Coleoptera" pageId="0" pageNumber="189" phylum="Arthropoda" rank="species" species="sabulosus">
<emphasis id="CD45598D847DFD53065DEEBB756A16CC" italics="true" pageId="0" pageNumber="189">Agraphydrus sabulosus</emphasis>
</taxonomicName>
sp. nov.
</paragraph>
</caption>
</subSubSection>
<subSubSection id="A1DB3FEC912EFAE61068DF006ABEED2C" pageId="0" pageNumber="189" type="etymology">
<paragraph id="C16D6441076DE98D06F4C7DC191E34B5" pageId="0" pageNumber="189">Etymology.</paragraph>
<paragraph id="678C9B7D04C124A1434799F6DC485E5C" pageId="0" pageNumber="189">This species is named after the holotype acquisition environment, which has a lot of sand.</paragraph>
</subSubSection>
<subSubSection id="5B8D837B2138F58D8B8DDAF5FD1808F6" pageId="0" pageNumber="189" type="distribution">
<paragraph id="D967C102444233B938E2A3F248C3F5FA" pageId="0" pageNumber="189">Distribution.</paragraph>
<paragraph id="7FA88520783A5D8F8D055A8F97609A3E" pageId="0" pageNumber="189">China (Guangdong, Jiangxi).</paragraph>
</subSubSection>
<subSubSection id="EC097AE66A2A7D5AEB40E0F6DEB2F462" pageId="0" pageNumber="189" type="remarks">
<paragraph id="78E37679AD6D7608F9F5FA5E80F4CA93" pageId="0" pageNumber="189">Remark.</paragraph>
<paragraph id="C631B1996D0618FE2EA008D4FDAD4A6E" pageId="0" pageNumber="189">
This species shares almost entirely chagrinate clypeus and unicolored maxillary palpomere 4 with
<taxonomicName id="6358119BEF4C5765574CE2799293FBAE" lsidName="A. arduus" pageId="0" pageNumber="189" rank="species" species="arduus">
<emphasis id="B8D8FD0CCEE193820A14585228CDC73A" italics="true" pageId="0" pageNumber="189">A. arduus</emphasis>
</taxonomicName>
Komarek &amp; Hebauer,
<taxonomicName id="46BAAFB632CB34F8D988BCB1C15B4365" lsidName="A. annapurnensis" pageId="0" pageNumber="189" rank="species" species="annapurnensis">
<emphasis id="0E17D7E93E78FEDACB2A71159AA6E652" italics="true" pageId="0" pageNumber="189">A. annapurnensis</emphasis>
</taxonomicName>
Komarek,
<taxonomicName id="1D961CD1C6ACEF0BFC5254D187F5D86C" lsidName="A. connexus" pageId="0" pageNumber="189" rank="species" species="connexus">
<emphasis id="7600FCA471B7C5DA0EA73AB166600310" italics="true" pageId="0" pageNumber="189">A. connexus</emphasis>
</taxonomicName>
Komarek &amp; Hebauer,
<taxonomicName id="8ED3A3E87EFCBC5716C3F79CAD864201" lsidName="A. flavonotus" pageId="0" pageNumber="189" rank="species" species="flavonotus">
<emphasis id="FDB98DDC6F5C0B4E846BB2303A21F534" italics="true" pageId="0" pageNumber="189">A. flavonotus</emphasis>
</taxonomicName>
Komarek,
<taxonomicName id="83245C49B96F3D4E021D06E883331350" lsidName="A. gracilipalpis" pageId="0" pageNumber="189" rank="species" species="gracilipalpis">
<emphasis id="7B0EE78F578C9D43CF0F2A1BEA460115" italics="true" pageId="0" pageNumber="189">A. gracilipalpis</emphasis>
</taxonomicName>
Komarek &amp; Hebauer,
<taxonomicName id="D85C2F7A1E030D1470403431CCE05216" lsidName="A. gilvus" pageId="0" pageNumber="189" rank="species" species="gilvus">
<emphasis id="AF7DB9C27A3588C3861025C04BE2ACF5" italics="true" pageId="0" pageNumber="189">A. gilvus</emphasis>
</taxonomicName>
Komarek,
<taxonomicName id="25C01C2558A157796318C81932F33233" lsidName="A. igneus" pageId="0" pageNumber="189" rank="species" species="igneus">
<emphasis id="5C47C0294670128E3909A17C78434B61" italics="true" pageId="0" pageNumber="189">A. igneus</emphasis>
</taxonomicName>
Komarek &amp; Hebauer,
<taxonomicName id="115A36044BBFF3F5451476FABD14A649" lsidName="A. narusei" pageId="0" pageNumber="189" rank="species" species="narusei">
<emphasis id="C78996D592E394D5F3DD480AF971BA83" italics="true" pageId="0" pageNumber="189">A. narusei</emphasis>
</taxonomicName>
Komarek,
<taxonomicName id="B64AE2C53C0585A22291426BD5F54551" lsidName="A. ogatai" pageId="0" pageNumber="189" rank="species" species="ogatai">
<emphasis id="32462BDEBF23C1F2C3EF14C55FB3D885" italics="true" pageId="0" pageNumber="189">A. ogatai</emphasis>
</taxonomicName>
,
<taxonomicName id="9C16D3FB74EA20318455E7CF580C053B" lsidName="A. orientalis" pageId="0" pageNumber="189" rank="species" species="orientalis">
<emphasis id="BF7E4E072E18CC26BE51E2FBC00D2CE4" italics="true" pageId="0" pageNumber="189">A. orientalis</emphasis>
</taxonomicName>
Komarek &amp; Hebauer,
<taxonomicName id="BF003E03E65AF1EB6AFA5BD8235A4A84" lsidName="A. reticuliceps" pageId="0" pageNumber="189" rank="species" species="reticuliceps">
<emphasis id="4C3ED870995BF24D06F86A2F9BC646CD" italics="true" pageId="0" pageNumber="189">A. reticuliceps</emphasis>
</taxonomicName>
Komarek &amp; Hebauer,
<taxonomicName id="2956CBEF3B5672A8EB62D319BC2ECCD2" lsidName="A. schoenmanni" pageId="0" pageNumber="189" rank="species" species="schoenmanni">
<emphasis id="B8B3FB3ABD9AF19E58EA2769B0E85077" italics="true" pageId="0" pageNumber="189">A. schoenmanni</emphasis>
</taxonomicName>
Komarek &amp; Hebauer, and many individuals of
<taxonomicName id="9DC2D073E99997C7EC29D78872E2D08C" lsidName="A. umbrosus" pageId="0" pageNumber="189" rank="species" species="umbrosus">
<emphasis id="223B2134DFFCDC608F75B37A33C3577B" italics="true" pageId="0" pageNumber="189">A. umbrosus</emphasis>
</taxonomicName>
Komarek &amp; Hebauer. Its dorsal color is very similar to some individuals of
<taxonomicName id="D2A133CABA338D2B8419EB0E94A13574" lsidName="A. connexus" pageId="0" pageNumber="189" rank="species" species="connexus">
<emphasis id="8E78F283AC80D5A8B05F064EF16ECA33" italics="true" pageId="0" pageNumber="189">A. connexus</emphasis>
</taxonomicName>
, differs from
<taxonomicName id="BE509EA64B357333799937102528DA46" lsidName="A. connexus" pageId="0" pageNumber="189" rank="species" species="connexus">
<emphasis id="8761F450ED603212F717272EDB49AA0E" italics="true" pageId="0" pageNumber="189">A. connexus</emphasis>
</taxonomicName>
by parameres with apex obtuse, moderately flat, manubrium slender and pointed (parameres with apex delicate and bluntly rounded, dorsal face connected with base of median lobe by distinct median band and the manubrium conical in the
<taxonomicName id="748062130A49A1B76321C8F5A188D549" lsidName="A. connexus" pageId="0" pageNumber="189" rank="species" species="connexus">
<emphasis id="2855456C9B737D7760E6CA0E7B80F2EC" italics="true" pageId="0" pageNumber="189">A. connexus</emphasis>
</taxonomicName>
). Its aedeagus is very like that of
<taxonomicName id="14899C67285BEFFCE8A9DBB64BE801F2" lsidName="A. flavonotus" pageId="0" pageNumber="189" rank="species" species="flavonotus">
<emphasis id="1C2CF800C791E5AF3A2659D9D28BB77A" italics="true" pageId="0" pageNumber="189">A. flavonotus</emphasis>
</taxonomicName>
Komarek, from which it differs by clypeus with distinct ground punctures (ground punctures obsolete on clypeus in
<taxonomicName id="48BA1B2A063981B5A621AE6480466378" lsidName="A. flavonotus" pageId="0" pageNumber="189" rank="species" species="flavonotus">
<emphasis id="0C4B8832DCF08A422C70EFB41DB4728B" italics="true" pageId="0" pageNumber="189">A. flavonotus</emphasis>
</taxonomicName>
), four rows of systematic punctures distinct (indistinct in
<taxonomicName id="D6AD79FF9A3498F92EDD67B2923BDC71" lsidName="A. flavonotus" pageId="0" pageNumber="189" rank="species" species="flavonotus">
<emphasis id="00B1EFD2BC8B31294DCCB75006940D70" italics="true" pageId="0" pageNumber="189">A. flavonotus</emphasis>
</taxonomicName>
), mesoventrite with moderately distinct mesal bulge (strong in
<taxonomicName id="C097FE8D4EC2ED3DB2088680B3BBBB6C" lsidName="A. flavonotus" pageId="0" pageNumber="189" rank="species" species="flavonotus">
<emphasis id="3112D7033183E084B0E94030BB981B55" italics="true" pageId="0" pageNumber="189">A. flavonotus</emphasis>
</taxonomicName>
), apex of median lobe delicate and basal apophyses reaching the 1/3 of the phallobase (apex of median lobe flatly and the basal apophyses reaching half of phallobase in
<taxonomicName id="779DB16EDA200751C01B5F6564D99C87" lsidName="A. flavonotus" pageId="0" pageNumber="189" rank="species" species="flavonotus">
<emphasis id="C6DD61E73E7EDD57F64B3BF27183C999" italics="true" pageId="0" pageNumber="189">A. flavonotus</emphasis>
</taxonomicName>
). Differs from
<taxonomicName id="9F2134148EF82254B148273CEC87200F" lsidName="A. arduus" pageId="0" pageNumber="189" rank="species" species="arduus">
<emphasis id="105B1B44C40E8F405E7C299CCDEF0527" italics="true" pageId="0" pageNumber="189">A. arduus</emphasis>
</taxonomicName>
and
<taxonomicName id="E119D3B4A5FD11B62CF00AA65A58F616" lsidName="A. igneus" pageId="0" pageNumber="189" rank="species" species="igneus">
<emphasis id="A4B57C33000CC935DD426DE2BACF54D5" italics="true" pageId="0" pageNumber="189">A. igneus</emphasis>
</taxonomicName>
by pronotum without anterolateral chagrination, parameres with apex obtuse, moderately flat, lateral margin of the parameres slightly curved and median lobe narrowing toward apex (parameres with apex delicate, bulgy, lateral margin of parameres slightly sigmoid and median lobe with blunt or flat, rarely slightly indented apex in
<taxonomicName id="535F5931008FAC2C5215D29C9145BF0F" lsidName="A. arduus" pageId="0" pageNumber="189" rank="species" species="arduus">
<emphasis id="F90F90C96602F73BADCE587722F3E8B9" italics="true" pageId="0" pageNumber="189">A. arduus</emphasis>
</taxonomicName>
, and apex of parameres strongly inflated, lateral margin of the parameres strongly sigmoid and apex of median lobe bluntly rounded with numerous distinct setae on top in
<taxonomicName id="EE021607E4603BAB00CB95F6DB6C4164" lsidName="A. igneus" pageId="0" pageNumber="189" rank="species" species="igneus">
<emphasis id="E69639BF5087B124E7EE964D17865E82" italics="true" pageId="0" pageNumber="189">A. igneus</emphasis>
</taxonomicName>
).
</paragraph>
</subSubSection>
</treatment>
</document>