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<document ID-DOI="http://dx.doi.org/10.3897/BDJ.10.e86347" ID-Pensoft-Pub="1314-2828-10-e86347" ID-Pensoft-UUID="56068DC5069053AD84C42E1E05B1C4CE" ID-ZooBank="CA1ABE1332604E348C0040560598190B" ModsDocID="1314-2828-10-e86347" checkinTime="1657265941682" checkinUser="pensoft" docAuthor="Rehman, Abdur, Huo, Qing-Bo &amp; Du, Yu-Zhou" docDate="2022" docId="213FC53F8F485D679B39DC003584FC1E" docLanguage="en" docName="BiodivDatJour 10: e86347" docOrigin="Biodiversity Data Journal 10" docPubDate="2022-07-07" docSource="http://dx.doi.org/10.3897/BDJ.10.e86347" docTitle="Sweltsa hamula Chen &amp; Du 2017" docType="treatment" docVersion="1" id="56068DC5069053AD84C42E1E05B1C4CE" lastPageNumber="86347" masterDocId="56068DC5069053AD84C42E1E05B1C4CE" masterDocTitle="A new species of Sweltsa Ricker, 1943 (Plecoptera, Chloroperlidae) and a supplementary description of Sweltsa hamula Chen &amp; Du, 2017 from China" masterLastPageNumber="86347" masterPageNumber="86347" pageNumber="86347" updateTime="1657265941682" updateUser="pensoft">
<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
<mods:titleInfo>
<mods:title>A new species of Sweltsa Ricker, 1943 (Plecoptera, Chloroperlidae) and a supplementary description of Sweltsa hamula Chen &amp; Du, 2017 from China</mods:title>
</mods:titleInfo>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Rehman, Abdur</mods:namePart>
<mods:affiliation>School of Horticulture and Plant Protection &amp; Institute of Applied Entomology, Yangzhou University, Yangzhou 225009, China</mods:affiliation>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Huo, Qing-Bo</mods:namePart>
<mods:affiliation>School of Horticulture and Plant Protection &amp; Institute of Applied Entomology, Yangzhou University, Yangzhou 225009, China</mods:affiliation>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Du, Yu-Zhou</mods:namePart>
<mods:affiliation>School of Horticulture and Plant Protection &amp; Institute of Applied Entomology, Yangzhou University, Yangzhou 225009, China &amp; Joint International Research Laboratory of Agriculture and Agri-Product Safety, the Ministry of Education, Yangzhou University, Yangzhou 225009, China</mods:affiliation>
<mods:nameIdentifier type="email">yzdu@yzu.edu.cn</mods:nameIdentifier>
</mods:name>
<mods:typeOfResource>text</mods:typeOfResource>
<mods:relatedItem type="host">
<mods:titleInfo>
<mods:title>Biodiversity Data Journal</mods:title>
</mods:titleInfo>
<mods:part>
<mods:date>2022</mods:date>
<mods:detail type="pubDate">
<mods:number>2022-07-07</mods:number>
</mods:detail>
<mods:detail type="volume">
<mods:number>10</mods:number>
</mods:detail>
<mods:extent unit="page">
<mods:start>86347</mods:start>
<mods:end>86347</mods:end>
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<mods:location>
<mods:url>http://dx.doi.org/10.3897/BDJ.10.e86347</mods:url>
</mods:location>
<mods:classification>journal article</mods:classification>
<mods:identifier type="DOI">http://dx.doi.org/10.3897/BDJ.10.e86347</mods:identifier>
<mods:identifier type="Pensoft-Pub">1314-2828-10-e86347</mods:identifier>
<mods:identifier type="ZooBank">CA1ABE1332604E348C0040560598190B</mods:identifier>
<mods:identifier type="Pensoft-UUID">56068DC5069053AD84C42E1E05B1C4CE</mods:identifier>
</mods:mods>
<subSection pageId="0" pageNumber="86347" type="multiple">
<treatment LSID="urn:lsid:plazi:treatment:213FC53F8F485D679B39DC003584FC1E" httpUri="http://treatment.plazi.org/id/213FC53F8F485D679B39DC003584FC1E" lastPageNumber="86347" pageId="0" pageNumber="86347">
<subSubSection pageId="0" pageNumber="86347" type="nomenclature">
<paragraph pageId="0" pageNumber="86347">
<taxonomicName LSID="213FC53F-8F48-5D67-9B39-DC003584FC1E" authority="Chen &amp; Du, 2017" authorityName="Chen &amp; Du" authorityYear="2017" class="Insecta" family="Chloroperlidae" genus="Sweltsa" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Sweltsa hamula" order="Plecoptera" pageId="0" pageNumber="86347" phylum="Arthropoda" rank="species" species="hamula">Sweltsa hamula Chen &amp; Du, 2017</taxonomicName>
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="86347" type="materials_examined">
<paragraph pageId="0" pageNumber="86347">Materials</paragraph>
<paragraph pageId="0" pageNumber="86347">
<materialsCitation collectingDate="2022-04-24" collectorName="Zhi-Teng Chen, Yue Shen, Chen, Du, Identification, Abdur Rehman, Du Yu-Zhou, Event, Record Level" country="China" county="Pingwu County" determinerName="Abdur Rehman &amp; Du Yu-Zhou" location="Zhi-Teng Chen" municipality="Occurrence" pageId="0" pageNumber="86347" specimenCount="4" specimenCount-female="3" specimenCount-male="1" stateProvince="Sichuan" typeStatus="Other material">
<emphasis bold="true" pageId="0" pageNumber="86347">Type status:</emphasis>
<materialsCitation collectingDate="2022-04-24" collectorName="Zhi-Teng Chen, Yue Shen, Chen, Du, Identification, Abdur Rehman, Du Yu-Zhou, Event, Record Level, PreservedSpecimen. Type" country="China" county="Pingwu County" determinerName="Abdur Rehman &amp; Du Yu-Zhou" location="Zhi-Teng Chen" municipality="Occurrence" specimenCount="4" specimenCount-female="3" specimenCount-male="1" stateProvince="Sichuan" typeStatus="Other material">
<typeStatus pageId="0" pageNumber="86347">Other material</typeStatus>
.
<emphasis bold="true" pageId="0" pageNumber="86347">
<collectingMunicipality>Occurrence</collectingMunicipality>
:
</emphasis>
recordedBy:
<collectorName pageId="0" pageNumber="86347">
<location LSID="urn:lsid:plazi:treatment:213FC53F8F485D679B39DC003584FC1E:AEB8EA227322BD6D00ED417C6A59BBAB" country="China" county="Pingwu County" municipality="Occurrence" name="Zhi-Teng Chen" stateProvince="Sichuan">Zhi-Teng Chen</location>
,
<location LSID="urn:lsid:plazi:treatment:213FC53F8F485D679B39DC003584FC1E:7A62F8CB2AABA9D09F1A437C675C5C73" country="China" county="Pingwu County" municipality="Occurrence" name="Yue Shen" stateProvince="Sichuan">Yue Shen</location>
</collectorName>
; individualCount:
<specimenCount pageId="0" pageNumber="86347" type="generic">4</specimenCount>
; sex:
<specimenCount type="male">1 male</specimenCount>
,
<specimenCount type="female">3 female</specimenCount>
; lifeStage:
<specimenType pageId="0" pageNumber="86347">adult</specimenType>
; occurrenceStatus: present;
<emphasis bold="true" pageId="0" pageNumber="86347">
<location LSID="urn:lsid:plazi:treatment:213FC53F8F485D679B39DC003584FC1E:8CB1C5F59FD16F14B1402E06E6D313D0" country="China" county="Pingwu County" municipality="Occurrence" name="Taxon" stateProvince="Sichuan">Taxon</location>
:
</emphasis>
namePublishedInID: https://doi.org/10.11646/zootaxa.4337.2.8; scientificName:
<location LSID="urn:lsid:plazi:treatment:213FC53F8F485D679B39DC003584FC1E:C58370833DBC2517F6889CE2CB32B19F" country="China" county="Pingwu County" municipality="Occurrence" name="Sweltsa" stateProvince="Sichuan">Sweltsa</location>
hamula
<collectorName>Chen</collectorName>
&amp;
<collectorName>Du</collectorName>
, 2017; acceptedNameUsage:
<location LSID="urn:lsid:plazi:treatment:213FC53F8F485D679B39DC003584FC1E:8B7DB4E2E7B109C14326DD523723A7FB" country="China" county="Pingwu County" municipality="Occurrence" name="Sweltsa" stateProvince="Sichuan">Sweltsa</location>
hamula; kingdom:
<location LSID="urn:lsid:plazi:treatment:213FC53F8F485D679B39DC003584FC1E:B88C1E99B08348CC59E5D51B3502E29F" country="China" county="Pingwu County" municipality="Occurrence" name="Animalia" stateProvince="Sichuan">Animalia</location>
; phylum:
<location LSID="urn:lsid:plazi:treatment:213FC53F8F485D679B39DC003584FC1E:9A4F65913A1B344EDC46A6601137092E" country="China" county="Pingwu County" municipality="Occurrence" name="Arthropoda" stateProvince="Sichuan">Arthropoda</location>
; class:
<location LSID="urn:lsid:plazi:treatment:213FC53F8F485D679B39DC003584FC1E:BEFCB89754D1D71A5381864F0BFFD0E5" country="China" county="Pingwu County" municipality="Occurrence" name="Insecta" stateProvince="Sichuan">Insecta</location>
; order:
<location LSID="urn:lsid:plazi:treatment:213FC53F8F485D679B39DC003584FC1E:6D70801FA679D54C9F1759E1FB6C815D" country="China" county="Pingwu County" municipality="Occurrence" name="Plecoptera" stateProvince="Sichuan">Plecoptera</location>
; family:
<location LSID="urn:lsid:plazi:treatment:213FC53F8F485D679B39DC003584FC1E:4567055B895E729257BD614222AEA766" country="China" county="Pingwu County" municipality="Occurrence" name="Chloroperlidae" stateProvince="Sichuan">Chloroperlidae</location>
; genus:
<location LSID="urn:lsid:plazi:treatment:213FC53F8F485D679B39DC003584FC1E:9B246312F3865117EFD68790E7F2201E" country="China" county="Pingwu County" municipality="Occurrence" name="Sweltsa" stateProvince="Sichuan">Sweltsa</location>
; taxonRank: species; taxonomicStatus: accepted;
<emphasis bold="true" pageId="0" pageNumber="86347">
<location LSID="urn:lsid:plazi:treatment:213FC53F8F485D679B39DC003584FC1E:B00336DC0F060F128CC7D2162E652DC5" country="China" county="Pingwu County" municipality="Occurrence" name="Location" stateProvince="Sichuan">Location</location>
:
</emphasis>
continent:
<location LSID="urn:lsid:plazi:treatment:213FC53F8F485D679B39DC003584FC1E:EFAAB2AA3C41545FBED3E724EE2D2709" country="China" county="Pingwu County" municipality="Occurrence" name="Asia" stateProvince="Sichuan">Asia</location>
; country:
<collectingCountry name="China" pageId="0" pageNumber="86347">China</collectingCountry>
; countryCode: CN; stateProvince:
<collectingRegion country="China" name="Sichuan">Sichuan</collectingRegion>
; locality:
<location LSID="urn:lsid:plazi:treatment:213FC53F8F485D679B39DC003584FC1E:CBDCA3818DBDD2C2639E7D3E132ADE76" country="China" county="Pingwu County" municipality="Occurrence" name="Mianyang City, Pingwu County, Wanglang National Nature Reserve, Baixionggou River" pageId="0" pageNumber="86347" stateProvince="Sichuan">
<location LSID="urn:lsid:plazi:treatment:213FC53F8F485D679B39DC003584FC1E:D7E5EFBF7F4524AE5F45BA2B305888AD" country="China" county="Pingwu County" municipality="Occurrence" name="Mianyang City" stateProvince="Sichuan">Mianyang City</location>
,
<collectingCounty>Pingwu County</collectingCounty>
,
<location LSID="urn:lsid:plazi:treatment:213FC53F8F485D679B39DC003584FC1E:2764BD80D9B86624F72B17D3D923C0D6" country="China" county="Pingwu County" municipality="Occurrence" name="Wanglang National Nature Reserve" stateProvince="Sichuan">Wanglang National Nature Reserve</location>
,
<location LSID="urn:lsid:plazi:treatment:213FC53F8F485D679B39DC003584FC1E:5DD697C3CAFE7F8222D8120AA71AF266" country="China" county="Pingwu County" municipality="Occurrence" name="Baixionggou River" stateProvince="Sichuan">Baixionggou River</location>
</location>
; minimumElevationInMeters: 2886; verbatimLatitude: 33.0068; verbatimLongitude: 104.027;
<emphasis bold="true" pageId="0" pageNumber="86347">
<collectorName>Identification</collectorName>
:
</emphasis>
identifiedBy:
<determinerName pageId="0" pageNumber="86347">
<collectorName>Abdur Rehman</collectorName>
&amp;
<collectorName>Du Yu-Zhou</collectorName>
</determinerName>
; dateIdentified:
<collectingDate value="2022-04-24">24-04-2022</collectingDate>
;
<emphasis bold="true" pageId="0" pageNumber="86347">
<collectorName>Event</collectorName>
:
</emphasis>
year: 2017; month: 6; day: 25;
<emphasis bold="true" pageId="0" pageNumber="86347">
<collectorName>Record Level</collectorName>
:
</emphasis>
language: en; institutionCode: ICYZU; basisOfRecord:
<collectorName>
PreservedSpecimen.
<materialsCitation collectingDate="2022-04-24" collectorName="Zhi-Teng Chen, Yue Shen, Chen, Du, Muyangchang, Identification, Abdur Rehman, Du Yu-Zhou, Event, Record Level, PreservedSpecimen" country="China" county="Pingwu County" determinerName="Abdur Rehman &amp; Du Yu-Zhou" location="Zhi-Teng Chen" municipality="Occurrence" pageId="0" pageNumber="86347" specimenCount="3" specimenCount-female="1" specimenCount-male="2" stateProvince="Sichuan" typeStatus="Other material">
<emphasis bold="true" pageId="0" pageNumber="86347">Type status:</emphasis>
<materialsCitation collectingDate="2022-04-24" collectorName="Zhi-Teng Chen, Yue Shen, Chen, Du, Muyangchang, Identification, Abdur Rehman, Du Yu-Zhou, Event, Record Level, PreservedSpecimen" country="China" county="Pingwu County" determinerName="Abdur Rehman &amp; Du Yu-Zhou" location="Zhi-Teng Chen" municipality="Occurrence" specimenCount="3" specimenCount-female="1" specimenCount-male="2" stateProvince="Sichuan" typeStatus="Other material">
<typeStatus pageId="0" pageNumber="86347">Other material</typeStatus>
.
<emphasis bold="true" pageId="0" pageNumber="86347">
<collectingMunicipality>Occurrence</collectingMunicipality>
:
</emphasis>
recordedBy:
<collectorName pageId="0" pageNumber="86347">
<location LSID="urn:lsid:plazi:treatment:213FC53F8F485D679B39DC003584FC1E:852B81EB314AF95F773E7DAD8C7C824D" country="China" county="Pingwu County" municipality="Occurrence" name="Zhi-Teng Chen" stateProvince="Sichuan">Zhi-Teng Chen</location>
,
<location LSID="urn:lsid:plazi:treatment:213FC53F8F485D679B39DC003584FC1E:0B0CB7D0CEDDEDABA17EE09E1D160F3B" country="China" county="Pingwu County" municipality="Occurrence" name="Yue Shen" stateProvince="Sichuan">Yue Shen</location>
</collectorName>
; individualCount:
<specimenCount pageId="0" pageNumber="86347" type="generic">3</specimenCount>
; sex:
<specimenCount type="male">2 male</specimenCount>
,
<specimenCount type="female">1 female</specimenCount>
; lifeStage:
<specimenType pageId="0" pageNumber="86347">adult</specimenType>
; occurrenceStatus: present;
<emphasis bold="true" pageId="0" pageNumber="86347">
<location LSID="urn:lsid:plazi:treatment:213FC53F8F485D679B39DC003584FC1E:DD08A1958A95AB9C0D9C88EF1DCC59CC" country="China" county="Pingwu County" municipality="Occurrence" name="Taxon" stateProvince="Sichuan">Taxon</location>
:
</emphasis>
namePublishedInID: https://doi.org/10.11646/zootaxa.4337.2.8; scientificName:
<location LSID="urn:lsid:plazi:treatment:213FC53F8F485D679B39DC003584FC1E:5973F644BD13CF2B489053924D5D95D8" country="China" county="Pingwu County" municipality="Occurrence" name="Sweltsa" stateProvince="Sichuan">Sweltsa</location>
hamula
<collectorName>Chen</collectorName>
&amp;
<collectorName>Du</collectorName>
, 2017; acceptedNameUsage:
<location LSID="urn:lsid:plazi:treatment:213FC53F8F485D679B39DC003584FC1E:A4FD3EA65455F730AF4B07C1FCA0281E" country="China" county="Pingwu County" municipality="Occurrence" name="Sweltsa" stateProvince="Sichuan">Sweltsa</location>
hamula; kingdom:
<location LSID="urn:lsid:plazi:treatment:213FC53F8F485D679B39DC003584FC1E:5526D97A32E033656496B26956302541" country="China" county="Pingwu County" municipality="Occurrence" name="Animalia" stateProvince="Sichuan">Animalia</location>
; phylum:
<location LSID="urn:lsid:plazi:treatment:213FC53F8F485D679B39DC003584FC1E:95C4A08D6FDF27261E134F22474CC728" country="China" county="Pingwu County" municipality="Occurrence" name="Arthropoda" stateProvince="Sichuan">Arthropoda</location>
; class:
<location LSID="urn:lsid:plazi:treatment:213FC53F8F485D679B39DC003584FC1E:170B61562CE622F9AFBAB5B29B85663A" country="China" county="Pingwu County" municipality="Occurrence" name="Insecta" stateProvince="Sichuan">Insecta</location>
; order:
<location LSID="urn:lsid:plazi:treatment:213FC53F8F485D679B39DC003584FC1E:97DC04FA46406239E782C05830EBE32F" country="China" county="Pingwu County" municipality="Occurrence" name="Plecoptera" stateProvince="Sichuan">Plecoptera</location>
; family:
<location LSID="urn:lsid:plazi:treatment:213FC53F8F485D679B39DC003584FC1E:DE5D04E4EB065D84ECF8347836F02560" country="China" county="Pingwu County" municipality="Occurrence" name="Chloroperlidae" stateProvince="Sichuan">Chloroperlidae</location>
; genus:
<location LSID="urn:lsid:plazi:treatment:213FC53F8F485D679B39DC003584FC1E:670EA2572A58BDAAF30024572E2860DA" country="China" county="Pingwu County" municipality="Occurrence" name="Sweltsa" stateProvince="Sichuan">Sweltsa</location>
; taxonRank: species; taxonomicStatus: accepted;
<emphasis bold="true" pageId="0" pageNumber="86347">
<location LSID="urn:lsid:plazi:treatment:213FC53F8F485D679B39DC003584FC1E:00E3489ABB7DEE549C074609DB8E3E9F" country="China" county="Pingwu County" municipality="Occurrence" name="Location" stateProvince="Sichuan">Location</location>
:
</emphasis>
continent:
<location LSID="urn:lsid:plazi:treatment:213FC53F8F485D679B39DC003584FC1E:F3188AA6B6C29A95FB4D18B6960EC0D5" country="China" county="Pingwu County" municipality="Occurrence" name="Asia" stateProvince="Sichuan">Asia</location>
; country:
<collectingCountry name="China" pageId="0" pageNumber="86347">China</collectingCountry>
; countryCode: CN; stateProvince:
<collectingRegion country="China" name="Sichuan">Sichuan</collectingRegion>
; locality:
<location LSID="urn:lsid:plazi:treatment:213FC53F8F485D679B39DC003584FC1E:75E1024F4EC1C077CD2C4AAA431DA047" country="China" county="Pingwu County" municipality="Occurrence" name="Mianyang City, Pingwu County, Wanglang National Nature Reserve, Muyangchang" pageId="0" pageNumber="86347" stateProvince="Sichuan">
<location LSID="urn:lsid:plazi:treatment:213FC53F8F485D679B39DC003584FC1E:27CA4E809D548117A029A6DC416DD3D2" country="China" county="Pingwu County" municipality="Occurrence" name="Mianyang City" stateProvince="Sichuan">Mianyang City</location>
,
<collectingCounty>Pingwu County</collectingCounty>
,
<location LSID="urn:lsid:plazi:treatment:213FC53F8F485D679B39DC003584FC1E:2C7FF1A2EE8008B2925C413CEDD2EC37" country="China" county="Pingwu County" municipality="Occurrence" name="Wanglang National Nature Reserve" stateProvince="Sichuan">Wanglang National Nature Reserve</location>
,
<collectorName>Muyangchang</collectorName>
</location>
; minimumElevationInMeters: 2589; verbatimLatitude: 32.9699; verbatimLongitude: 104.1029;
<emphasis bold="true" pageId="0" pageNumber="86347">
<collectorName>Identification</collectorName>
:
</emphasis>
identifiedBy:
<determinerName pageId="0" pageNumber="86347">
<collectorName>Abdur Rehman</collectorName>
&amp;
<collectorName>Du Yu-Zhou</collectorName>
</determinerName>
; dateIdentified:
<collectingDate value="2022-04-24">24-04-2022</collectingDate>
;
<emphasis bold="true" pageId="0" pageNumber="86347">
<collectorName>Event</collectorName>
:
</emphasis>
year: 2017; month: 6; day: 22;
<emphasis bold="true" pageId="0" pageNumber="86347">
<collectorName>Record Level</collectorName>
:
</emphasis>
language: en; institutionCode: ICYZU; basisOfRecord:
<collectorName>PreservedSpecimen</collectorName>
</materialsCitation>
.
</materialsCitation>
</collectorName>
</materialsCitation>
</materialsCitation>
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="86347" type="description">
<paragraph pageId="0" pageNumber="86347">Description</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="86347" type="supplementary description">
<paragraph pageId="0" pageNumber="86347">Supplementary description</paragraph>
<paragraph pageId="0" pageNumber="86347">
Male head with median dark brown marking covering frons and ocellar areas. Pronotum disc with median brown band, medially pale with light rugosities, margins dark brown (Fig.
<figureCitation captionStart="Figure 5" captionStartId="F7871740" captionText="Figure 5. Sweltsa hamula Chen &amp; Du, 2017. Male A head and pronotum; B terminalia dorsal view; C terminalia dorsolateral view." figureDoi="10.3897/BDJ.10.e86347.figure5" httpUri="https://binary.pensoft.net/fig/681199" pageId="0" pageNumber="86347">5</figureCitation>
A). Mesonotum and metanotum with dark U-shaped marking. Tergum 9 anteriorly with prominent transverse ridge (Fig.
<figureCitation captionStart="Figure 5" captionStartId="F7871740" captionText="Figure 5. Sweltsa hamula Chen &amp; Du, 2017. Male A head and pronotum; B terminalia dorsal view; C terminalia dorsolateral view." figureDoi="10.3897/BDJ.10.e86347.figure5" httpUri="https://binary.pensoft.net/fig/681199" pageId="0" pageNumber="86347">5</figureCitation>
B). Tergum 10 divided medially, forming sclerotised shield-like structure. Epiproct wide and elliptical, medially slightly upraised, sides with upward dark margins from base to basal half dorsally; then gradually tapering to sharp apex, apically narrow and thread-like, bending backwards forming hook-shaped structure (Fig.
<figureCitation captionStart="Figure 5" captionStartId="F7871740" captionText="Figure 5. Sweltsa hamula Chen &amp; Du, 2017. Male A head and pronotum; B terminalia dorsal view; C terminalia dorsolateral view." figureDoi="10.3897/BDJ.10.e86347.figure5" httpUri="https://binary.pensoft.net/fig/681199" pageId="0" pageNumber="86347">5</figureCitation>
B and Fig.
<figureCitation captionStart="Figure 6" captionStartId="F7871744" captionText="Figure 6. Sweltsa hamula Chen &amp; Du, 2017. Male A epiproct dorsal view; B epiproct lateral view." figureDoi="10.3897/BDJ.10.e86347.figure6" httpUri="https://binary.pensoft.net/fig/681200" pageId="0" pageNumber="86347">6</figureCitation>
A). Laterally sclerotised, constricted from base to basal half, then curved outwards, apically back-curved and forming hook-shaped apex (Fig.
<figureCitation captionStart="Figure 5" captionStartId="F7871740" captionText="Figure 5. Sweltsa hamula Chen &amp; Du, 2017. Male A head and pronotum; B terminalia dorsal view; C terminalia dorsolateral view." figureDoi="10.3897/BDJ.10.e86347.figure5" httpUri="https://binary.pensoft.net/fig/681199" pageId="0" pageNumber="86347">5</figureCitation>
C and Fig.
<figureCitation captionStart="Figure 6" captionStartId="F7871744" captionText="Figure 6. Sweltsa hamula Chen &amp; Du, 2017. Male A epiproct dorsal view; B epiproct lateral view." figureDoi="10.3897/BDJ.10.e86347.figure6" httpUri="https://binary.pensoft.net/fig/681200" pageId="0" pageNumber="86347">6</figureCitation>
B).
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="86347" type="female">
<paragraph pageId="0" pageNumber="86347">Female</paragraph>
<paragraph pageId="0" pageNumber="86347">
Body length 9.0-9.5 mm, forewing length 8.0-8.5 mm, hind-wing length 7.0-8.0 mm (n = 4). Habitus generally similar to male (Fig.
<figureCitation captionStart="Figure 7" captionStartId="F7871748" captionText="Figure 7. Sweltsa hamula Chen &amp; Du, 2017. Female A head and pronotum; B terminalia ventral view." figureDoi="10.3897/BDJ.10.e86347.figure7" httpUri="https://binary.pensoft.net/fig/681201" pageId="0" pageNumber="86347">7</figureCitation>
). Abdominal tergum stripes same as male, except for tergum 8 with median brown elliptical mark; lateral dark patches present anteriorly on segments 2-4. Posterior margin of sternum 8 bears large rounded subgenital plate ventrally, reaching near to half of sternum 9. Subgenital plate posteromedially bears lobe-like structure, seems like U-shaped narrow patch and covered with many hairs (Fig.
<figureCitation captionStart="Figure 7" captionStartId="F7871748" captionText="Figure 7. Sweltsa hamula Chen &amp; Du, 2017. Female A head and pronotum; B terminalia ventral view." figureDoi="10.3897/BDJ.10.e86347.figure7" httpUri="https://binary.pensoft.net/fig/681201" pageId="0" pageNumber="86347">7</figureCitation>
B).
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="86347" type="distribution">
<paragraph pageId="0" pageNumber="86347">Distribution</paragraph>
<paragraph pageId="0" pageNumber="86347">China, Sichuan Province, Wanglang National Nature Reserve.</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="86347" type="taxon discussion">
<paragraph pageId="0" pageNumber="86347">Taxon discussion</paragraph>
<paragraph pageId="0" pageNumber="86347">
This species was established by
<bibRefCitation author="Chen, Z. T." journalOrPublisher="Zootaxa" pageId="0" pageNumber="86347" pagination="291 - 293" refId="B7871501" refString="Chen, Z. T., Du, Y. Z., 2017. A new species of Sweltsa (Plecoptera: Chloroperlidae) from China, with a key to the Sweltsa males of China. Zootaxa 4337 (2): 291 - 293" title="A new species of Sweltsa (Plecoptera: Chloroperlidae) from China, with a key to the Sweltsa males of China" volume="4337" year="2017">Chen and Du (2017)</bibRefCitation>
. They did not provide any closely-related species maybe because this species is easily distinguishable from all
<taxonomicName authorityName="Ricker" authorityYear="1943" class="Insecta" family="Chloroperlidae" genus="Sweltsa" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Sweltsa" order="Plecoptera" pageId="0" pageNumber="86347" phylum="Arthropoda" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="86347">Sweltsa</emphasis>
</taxonomicName>
by the epiproct backward hook. However, here we can add that this species epiproct structure is partially similar to
<taxonomicName authorityName="Zhiltzova &amp; Levanidova" authorityYear="1978" class="Insecta" family="Chloroperlidae" genus="Sweltsa" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Sweltsa illiesi" order="Plecoptera" pageId="0" pageNumber="86347" phylum="Arthropoda" rank="species" species="illiesi">
<emphasis italics="true" pageId="0" pageNumber="86347">Sweltsa illiesi</emphasis>
</taxonomicName>
Zhiltzova &amp; Levanidova, 1978 (
<bibRefCitation author="Teslenko, V. A." journalOrPublisher="University of Illinois Press Urbana and Chicago" pageId="0" pageNumber="86347" pagination=": 382 pp" refId="B7871672" refString="Teslenko, V. A., Zhiltzova, L. A., 2009. Key to the stoneflies (Insecta, Plecoptera) of Russia and adjacent countries. In: Imagines and nymphs. Dalnauka, Vladivostok,.: 382 pp" title="Key to the stoneflies (Insecta, Plecoptera) of Russia and adjacent countries" volumeTitle="Imagines and nymphs. Dalnauka, Vladivostok,." year="2009">Teslenko and Zhiltzova 2009</bibRefCitation>
) in general appearance and can be easily distinguished from this species by the epiproct backward hook. Besides this, we also describe the female of this species, which is not reported in the original description. The female subgenital plate of the
<taxonomicName genus="S." lsidName="S. hamula" pageId="0" pageNumber="86347" rank="species" species="hamula">
<emphasis italics="true" pageId="0" pageNumber="86347">S. hamula</emphasis>
</taxonomicName>
species is wide, rounded and posteromedially bears a small U-shaped patch and is covered with hairs (Fig.
<figureCitation captionStart="Figure 7" captionStartId="F7871748" captionText="Figure 7. Sweltsa hamula Chen &amp; Du, 2017. Female A head and pronotum; B terminalia ventral view." figureDoi="10.3897/BDJ.10.e86347.figure7" httpUri="https://binary.pensoft.net/fig/681201" pageId="0" pageNumber="86347">7</figureCitation>
B). In contrast, the subgenital plate of
<taxonomicName genus="S." lsidName="S. illiesi" pageId="0" pageNumber="86347" rank="species" species="illiesi">
<emphasis italics="true" pageId="0" pageNumber="86347">S. illiesi</emphasis>
</taxonomicName>
is subtriangular and medially with a round patch and margin of the plate is covered with hairs (fig. 520 in Teslenko &amp; Zhiltzova 2009). These features easily distinguish female of this species.
</paragraph>
</subSubSection>
</treatment>
</subSection>
</document>
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