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<document ID-DOI="http://doi.org/10.5281/zenodo.4766306" ID-GBIF-Dataset="c033fd50-8671-41a6-aaca-eeb2a9e97e70" ID-GBIF-Taxon="182066836" ID-ISSN="1854-0392" ID-Zenodo-Dep="4766306" checkinTime="1620835582277" checkinUser="felipe" docAuthor="Stark, Bill P. &amp; Sivec, Ignac" docDate="2011" docId="8E628788B37B5410FBA38CE1FDC080A8" docLanguage="en" docName="Illiesia.7.28.302-304.pdf" docOrigin="Illiesia 7 (28)" docStyle="DocumentStyle:3ED4ECBC8873166DC296BE619562C54F.3:Illiesia.2009-.journal_article" docStyleId="3ED4ECBC8873166DC296BE619562C54F" docStyleName="Illiesia.2009-.journal_article" docStyleVersion="3" docTitle="Neoperla" docType="treatment" docVersion="6" lastPageId="2" lastPageNumber="304" masterDocId="725BFFF0B37B5412FFBA8F0FFFCD853D" masterDocTitle="Neoperla Of Unusual Size From Vietnam (Plecoptera: Perlidae)" masterLastPageNumber="304" masterPageNumber="302" pageId="0" pageNumber="302" updateTime="1643552265526" updateUser="ExternalLinkService" zenodo-license-document="CC-BY-4.0">
<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
<mods:titleInfo>
<mods:title>Neoperla Of Unusual Size From Vietnam (Plecoptera: Perlidae)</mods:title>
</mods:titleInfo>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Stark, Bill P.</mods:namePart>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Sivec, Ignac</mods:namePart>
</mods:name>
<mods:typeOfResource>text</mods:typeOfResource>
<mods:relatedItem type="host">
<mods:titleInfo>
<mods:title>Illiesia</mods:title>
</mods:titleInfo>
<mods:part>
<mods:date>2011</mods:date>
<mods:detail type="volume">
<mods:number>7</mods:number>
</mods:detail>
<mods:detail type="issue">
<mods:number>28</mods:number>
</mods:detail>
<mods:extent unit="page">
<mods:start>302</mods:start>
<mods:end>304</mods:end>
</mods:extent>
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</mods:relatedItem>
<mods:classification>journal article</mods:classification>
<mods:identifier type="DOI">http://doi.org/10.5281/zenodo.4753223</mods:identifier>
<mods:identifier type="GBIF-Dataset">c033fd50-8671-41a6-aaca-eeb2a9e97e70</mods:identifier>
<mods:identifier type="ISSN">1854-0392</mods:identifier>
<mods:identifier type="Zenodo-Dep">4753223</mods:identifier>
</mods:mods>
<treatment ID-DOI="http://doi.org/10.5281/zenodo.4766306" ID-GBIF-Taxon="182066836" ID-Zenodo-Dep="4766306" LSID="urn:lsid:plazi:treatment:8E628788B37B5410FBA38CE1FDC080A8" httpUri="http://treatment.plazi.org/id/8E628788B37B5410FBA38CE1FDC080A8" lastPageId="2" lastPageNumber="304" pageId="0" pageNumber="302">
<subSubSection box="[1049,1229,1006,1030]" pageId="0" pageNumber="302" type="nomenclature">
<paragraph blockId="0.[1049,1229,1006,1030]" box="[1049,1229,1006,1030]" pageId="0" pageNumber="302">
<heading bold="true" box="[1049,1229,1006,1030]" centered="true" fontSize="10" level="2" pageId="0" pageNumber="302" reason="2">
<emphasis bold="true" box="[1049,1229,1006,1030]" pageId="0" pageNumber="302">
<taxonomicName authority="Needham, 1905" box="[1049,1157,1006,1030]" class="Insecta" family="Perlidae" genus="Neoperla" kingdom="Animalia" order="Plecoptera" pageId="0" pageNumber="302" phylum="Arthropoda" rank="genus">
<emphasis bold="true" box="[1049,1157,1006,1030]" italics="true" pageId="0" pageNumber="302">Neoperla</emphasis>
</taxonomicName>
Vn-C
</emphasis>
</heading>
</paragraph>
</subSubSection>
<subSubSection box="[1081,1197,1042,1067]" pageId="0" pageNumber="302" type="description">
<paragraph blockId="0.[1081,1197,1042,1067]" box="[1081,1197,1042,1067]" pageId="0" pageNumber="302">
(
<figureCitation box="[1089,1188,1042,1067]" captionStart-0="Figs" captionStart-1="Figs" captionStartId-0="1.[189,241,800,824]" captionStartId-1="1.[189,242,1866,1890]" captionTargetBox-0="[350,1299,185,731]" captionTargetBox-1="[249,1383,897,1817]" captionTargetId-0="figure-34@1.[287,1345,146,810]" captionTargetId-1="figure-35@1.[249,1383,897,1817]" captionTargetPageId-0="1" captionTargetPageId-1="1" captionText-0="Figs. 1-3. Neoperla Vn-C female structures. 1. Head and pronotum. 2. Subgenital plate. 3. Vagina and spermatheca." captionText-1="Figs. 4-7. Neoperla Vn-C egg structures. 4. Entire egg. 5. Collar detail. 6. Follicle cell impression detail on lid. 7. Lid detail." figureDoi-0="http://doi.org/10.5281/zenodo.4753227" figureDoi-1="http://doi.org/10.5281/zenodo.4753229" httpUri-0="https://zenodo.org/record/4753227/files/figure.png" httpUri-1="https://zenodo.org/record/4753229/files/figure.png" pageId="0" pageNumber="302">Figs. 1-7</figureCitation>
)
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="302" type="materials_examined">
<paragraph blockId="0.[835,1443,1113,1920]" pageId="0" pageNumber="302">
<emphasis bold="true" box="[835,1075,1113,1137]" pageId="0" pageNumber="302">Material examined.</emphasis>
<materialsCitation ID-GBIF-Occurrence="3111170301" collectingDate="2011-05-25" collectingDateMax="2011-06-05" collectingDateMin="2011-05-25" collectingMethod="Sante Canopy Malaise traps" collectionCode="USNM" collectorName="S. W. Lingafelter" country="Vietnam" elevation="948" latitude="22.54055" location="Phja-Den" longLatPrecision="1" longitude="105.86687" pageId="0" pageNumber="302" specimenCount="2" specimenCount-female="2" stateProvince="Cao Bang Province">
<collectingCountry box="[1087,1190,1113,1137]" name="Vietnam" pageId="0" pageNumber="302">Vietnam</collectingCountry>
,
<collectingRegion box="[1205,1438,1113,1138]" country="Vietnam" name="Cao Bang" pageId="0" pageNumber="302">Cao Bang Province</collectingRegion>
,
<location LSID="urn:lsid:plazi:treatment:8E628788B37B5410FBA38CE1FDC080A8:03146045B37B5412FCF98B72FC6281A8" box="[835,943,1149,1173]" country="Vietnam" latitude="22.54055" longLatPrecision="1" longitude="105.86687" name="Phja-Den" pageId="0" pageNumber="302" stateProvince="Cao Bang Province">Phja-Den</location>
environs,
<quantity box="[1077,1154,1149,1173]" metricMagnitude="2" metricUnit="m" metricValue="9.48" pageId="0" pageNumber="302" unit="m" value="948.0">
<elevation box="[1077,1154,1149,1173]" metricMagnitude="2" metricUnit="m" metricValue="9.48" pageId="0" pageNumber="302" unit="m" value="948.0">948 m</elevation>
</quantity>
,
<collectingMethod pageId="0" pageNumber="302">Sante Canopy Malaise traps</collectingMethod>
,
<geoCoordinate box="[911,1072,1184,1209]" degrees="22" direction="north" minutes="32.433" orientation="latitude" pageId="0" pageNumber="302" precision="1" value="22.54055">
22
<emphasis bold="true" box="[937,948,1184,1209]" pageId="0" pageNumber="302">°</emphasis>
32.433 N
</geoCoordinate>
,
<geoCoordinate box="[1086,1255,1184,1209]" degrees="105" direction="east" minutes="52.012" orientation="longitude" pageId="0" pageNumber="302" precision="1" value="105.86687">
105
<emphasis bold="true" box="[1126,1137,1184,1209]" pageId="0" pageNumber="302">°</emphasis>
52.012 E
</geoCoordinate>
,
<date pageId="0" pageNumber="302" value="2011-05-25" valueMax="2011-06-05" valueMin="2011-05-25">
<collectingDate pageId="0" pageNumber="302" value="2011-05-25" valueMax="2011-06-05" valueMin="2011-05-25">25 May-5 June 2011</collectingDate>
</date>
,
<collectorName box="[902,1095,1220,1245]" pageId="0" pageNumber="302">S.W. Lingafelter</collectorName>
,
<specimenCount box="[1106,1139,1221,1245]" pageId="0" pageNumber="302" type="female">2♀</specimenCount>
(
<collectionCode box="[1154,1242,1221,1245]" country="USA" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34871" lsid="urn:lsid:biocol.org:col:34871" name="Smithsonian Institution, National Museum of Natural History" pageId="0" pageNumber="302" type="Museum">USNM</collectionCode>
)
</materialsCitation>
.
</paragraph>
</subSubSection>
<subSubSection lastPageId="2" lastPageNumber="304" pageId="0" pageNumber="302" type="description">
<paragraph blockId="0.[835,1443,1113,1920]" pageId="0" pageNumber="302">
<emphasis bold="true" box="[835,1022,1256,1280]" pageId="0" pageNumber="302">Adult habitus.</emphasis>
Biocellate. Head patterned with small, dark pigment spots over ocelli and central frons near anterior margin (
<figureCitation box="[1167,1231,1327,1351]" captionStart="Figs" captionStartId="1.[189,241,800,824]" captionTargetBox="[350,1299,185,731]" captionTargetId="figure-34@1.[287,1345,146,810]" captionTargetPageId="1" captionText="Figs. 1-3. Neoperla Vn-C female structures. 1. Head and pronotum. 2. Subgenital plate. 3. Vagina and spermatheca." figureDoi="http://doi.org/10.5281/zenodo.4753227" httpUri="https://zenodo.org/record/4753227/files/figure.png" pageId="0" pageNumber="302">Fig. 1</figureCitation>
); occiput, lappets and antennae dark. Pronotum dark brown; femora banded with pale basal third and dark apical region, tibiae and tarsi dark brown. Wing membrane and veins dark brown to black, except pale costal margin and crossveins.
</paragraph>
<paragraph blockId="0.[835,1443,1113,1920]" pageId="0" pageNumber="302">
<emphasis bold="true" box="[835,929,1541,1565]" pageId="0" pageNumber="302">Female.</emphasis>
Forewing length
<quantity box="[1138,1222,1541,1565]" metricMagnitude="-2" metricUnit="m" metricValue="2.3" pageId="0" pageNumber="302" unit="mm" value="23.0">23 mm</quantity>
. Subgenital plate a small, apically notched, sclerotized, median projection (
<figureCitation box="[981,1061,1612,1636]" captionStart="Figs" captionStartId="1.[189,241,800,824]" captionTargetBox="[350,1299,185,731]" captionTargetId="figure-34@1.[287,1345,146,810]" captionTargetPageId="1" captionText="Figs. 1-3. Neoperla Vn-C female structures. 1. Head and pronotum. 2. Subgenital plate. 3. Vagina and spermatheca." figureDoi="http://doi.org/10.5281/zenodo.4753227" httpUri="https://zenodo.org/record/4753227/files/figure.png" pageId="0" pageNumber="302">Fig. 2</figureCitation>
). Vagina relatively long and slender, slightly wider anteriorly (
<figureCitation box="[1337,1427,1647,1672]" captionStart="Figs" captionStartId="1.[189,241,800,824]" captionTargetBox="[350,1299,185,731]" captionTargetId="figure-34@1.[287,1345,146,810]" captionTargetPageId="1" captionText="Figs. 1-3. Neoperla Vn-C female structures. 1. Head and pronotum. 2. Subgenital plate. 3. Vagina and spermatheca." figureDoi="http://doi.org/10.5281/zenodo.4753227" httpUri="https://zenodo.org/record/4753227/files/figure.png" pageId="0" pageNumber="302">Fig. 3</figureCitation>
); Spermathecal stalk slender, expanded into a hook shaped chamber.
</paragraph>
<paragraph blockId="0.[835,1443,1113,1920]" lastBlockId="2.[189,798,197,1429]" lastPageId="2" lastPageNumber="304" pageId="0" pageNumber="302">
<emphasis bold="true" box="[835,887,1754,1778]" pageId="0" pageNumber="302">Egg.</emphasis>
Barrel shaped (
<figureCitation box="[1076,1145,1754,1778]" captionStart="Figs" captionStartId="1.[189,242,1866,1890]" captionTargetBox="[249,1383,897,1817]" captionTargetId="figure-35@1.[249,1383,897,1817]" captionTargetPageId="1" captionText="Figs. 4-7. Neoperla Vn-C egg structures. 4. Entire egg. 5. Collar detail. 6. Follicle cell impression detail on lid. 7. Lid detail." figureDoi="http://doi.org/10.5281/zenodo.4753229" httpUri="https://zenodo.org/record/4753229/files/figure.png" pageId="0" pageNumber="302">Fig. 4</figureCitation>
). Length ca. 325-340 μm; collar width ca. 66-72 μm; equatorial width ca. 206- 216 μm. Collar sessile without flange and surrounded by two rows of irregular follicle cell impressions; anchor flat, disc shaped with irregular margin. Most of chorionic surface covered with closely packed slender striae in groupings of four (
<figureCitation box="[197,338,267,292]" captionStart="Figs" captionStartId="1.[189,242,1866,1890]" captionTargetBox="[249,1383,897,1817]" captionTargetId="figure-35@1.[249,1383,897,1817]" captionTargetPageId="1" captionText="Figs. 4-7. Neoperla Vn-C egg structures. 4. Entire egg. 5. Collar detail. 6. Follicle cell impression detail on lid. 7. Lid detail." figureDoi="http://doi.org/10.5281/zenodo.4753229" httpUri="https://zenodo.org/record/4753229/files/figure.png" pageId="2" pageNumber="304">Figs. 4-5, 7</figureCitation>
); outer striae of each group slightly thicker and significantly raised at collar end (
<figureCitation captionStart="Figs" captionStartId="1.[189,242,1866,1890]" captionTargetBox="[249,1383,897,1817]" captionTargetId="figure-35@1.[249,1383,897,1817]" captionTargetPageId="1" captionText="Figs. 4-7. Neoperla Vn-C egg structures. 4. Entire egg. 5. Collar detail. 6. Follicle cell impression detail on lid. 7. Lid detail." figureDoi="http://doi.org/10.5281/zenodo.4753229" httpUri="https://zenodo.org/record/4753229/files/figure.png" pageId="2" pageNumber="304">Figs. 5, 7</figureCitation>
); width of strial groupings ca. 16.9-18.3 μm near lid. Lid bears two distinct rows of follicle cell impressions near juncture with striae, and ca. 3 progressively less distinct follicle cell impression rows (
<figureCitation box="[263,365,481,505]" captionStart="Figs" captionStartId="1.[189,242,1866,1890]" captionTargetBox="[249,1383,897,1817]" captionTargetId="figure-35@1.[249,1383,897,1817]" captionTargetPageId="1" captionText="Figs. 4-7. Neoperla Vn-C egg structures. 4. Entire egg. 5. Collar detail. 6. Follicle cell impression detail on lid. 7. Lid detail." figureDoi="http://doi.org/10.5281/zenodo.4753229" httpUri="https://zenodo.org/record/4753229/files/figure.png" pageId="2" pageNumber="304">Figs. 6-7</figureCitation>
); follicle cell impression floors filled with minute punctations. Micropyles subequatorial.
</paragraph>
</subSubSection>
<caption ID-DOI="http://doi.org/10.5281/zenodo.4753227" ID-Zenodo-Dep="4753227" httpUri="https://zenodo.org/record/4753227/files/figure.png" pageId="1" pageNumber="303" startId="1.[189,241,800,824]" targetBox="[350,1299,185,731]" targetPageId="1">
<paragraph blockId="1.[189,1442,800,860]" pageId="1" pageNumber="303">
Figs. 1-3.
<taxonomicName box="[311,407,800,824]" class="Insecta" family="Perlidae" genus="Neoperla" kingdom="Animalia" order="Plecoptera" pageId="1" pageNumber="303" phylum="Arthropoda" rank="genus">
<emphasis box="[311,407,800,824]" italics="true" pageId="1" pageNumber="303">Neoperla</emphasis>
</taxonomicName>
Vn-C female structures. 1. Head and pronotum. 2. Subgenital plate. 3. Vagina and spermatheca.
</paragraph>
</caption>
<caption ID-DOI="http://doi.org/10.5281/zenodo.4753229" ID-Zenodo-Dep="4753229" httpUri="https://zenodo.org/record/4753229/files/figure.png" pageId="1" pageNumber="303" startId="1.[189,242,1866,1890]" targetBox="[249,1383,897,1817]" targetPageId="1">
<paragraph blockId="1.[189,1443,1866,1926]" pageId="1" pageNumber="303">
Figs. 4-7.
<taxonomicName box="[301,399,1866,1890]" class="Insecta" family="Perlidae" genus="Neoperla" kingdom="Animalia" order="Plecoptera" pageId="1" pageNumber="303" phylum="Arthropoda" rank="genus">
<emphasis box="[301,399,1866,1890]" italics="true" pageId="1" pageNumber="303">Neoperla</emphasis>
</taxonomicName>
Vn-C egg structures. 4. Entire egg. 5. Collar detail. 6. Follicle cell impression detail on lid. 7. Lid detail.
</paragraph>
</caption>
<subSubSection pageId="2" pageNumber="304" type="diagnosis">
<paragraph blockId="2.[189,798,197,1429]" pageId="2" pageNumber="304">
<emphasis bold="true" box="[189,319,552,576]" pageId="2" pageNumber="304">Diagnosis.</emphasis>
Spermathecal structure indicates this species is a member of the
<emphasis box="[549,667,588,611]" italics="true" pageId="2" pageNumber="304">Montivaga</emphasis>
Group as designated by
<bibRefCitation author="Zwick, P." box="[386,544,623,647]" pageId="2" pageNumber="304" pagination="167 - 204" refId="ref1116" refString="Zwick, P. 1983. The Neoperla of Sumatra and Java (Indonesia) (Plecoptera: Perlidae). Spixiana, 6: 167 - 204." type="journal article" year="1983">Zwick (1983</bibRefCitation>
,
<bibRefCitation author="Zwick, P." box="[567,625,623,647]" pageId="2" pageNumber="304" pagination="1 - 53" refId="ref1145" refString="Zwick, P. 1986. The Bornean species of the stonefly genus Neoperla (Plecoptera: Perlidae). Aquatic Insects, 8: 1 - 53." type="journal article" year="1986">1986</bibRefCitation>
). This group includes 16 of the known Vietnamese species and all those in which female forewing length exceeds
<quantity metricMagnitude="-2" metricUnit="m" metricValue="1.6" pageId="2" pageNumber="304" unit="mm" value="16.0">16 mm</quantity>
. The subgenital plate of this species is generally similar to those of
<taxonomicName authority="Stark &amp; Sivec, 2008" authorityName="Stark &amp; Sivec" authorityYear="2008" box="[418,756,765,789]" class="Insecta" family="Perlidae" genus="Neoperla" kingdom="Animalia" order="Plecoptera" pageId="2" pageNumber="304" phylum="Arthropoda" rank="species" species="idella">
<emphasis box="[418,513,765,789]" italics="true" pageId="2" pageNumber="304">N. idella</emphasis>
<bibRefCitation author="Stark, B. P. &amp; I. Sivec" box="[522,756,765,789]" pageId="2" pageNumber="304" pagination="19 - 54" refId="ref1081" refString="Stark, B. P. &amp; I. Sivec. 2008. New species and records of Neoperla (Plecoptera: Perlidae) from Vietnam. Illiesia, 4: 19 - 54." type="journal article" year="2008">Stark &amp; Sivec, 2008</bibRefCitation>
</taxonomicName>
,
<taxonomicName authority="Stark, 1987" authorityName="Stark" authorityYear="1987" class="Insecta" family="Perlidae" genus="Neoperla" kingdom="Animalia" order="Plecoptera" pageId="2" pageNumber="304" phylum="Arthropoda" rank="species" species="mnong">
<emphasis italics="true" pageId="2" pageNumber="304">N. mnong</emphasis>
<bibRefCitation author="Stark, B. P." box="[270,397,801,825]" pageId="2" pageNumber="304" pagination="45 - 50" refId="ref1052" refString="Stark, B. P. 1987. Records and descriptions of Oriental Neoperlini (Plecoptera: Perlidae). Aquatic Insects, 9: 45 - 50." type="journal article" year="1987">Stark, 1987</bibRefCitation>
</taxonomicName>
and
<taxonomicName authority="Stark, 1987" authorityName="Stark" authorityYear="1987" box="[452,655,801,825]" class="Insecta" family="Perlidae" genus="Neoperla" kingdom="Animalia" order="Plecoptera" pageId="2" pageNumber="304" phylum="Arthropoda" rank="species" species="yao">
<emphasis box="[452,521,802,825]" italics="true" pageId="2" pageNumber="304">N. yao</emphasis>
<bibRefCitation author="Stark, B. P." box="[527,655,801,825]" pageId="2" pageNumber="304" pagination="45 - 50" refId="ref1052" refString="Stark, B. P. 1987. Records and descriptions of Oriental Neoperlini (Plecoptera: Perlidae). Aquatic Insects, 9: 45 - 50." type="journal article" year="1987">Stark, 1987</bibRefCitation>
</taxonomicName>
, and the egg is similar to those of
<taxonomicName authority="Stark &amp; Sivec, 2008" authorityName="Stark &amp; Sivec" authorityYear="2008" box="[426,762,836,860]" class="Insecta" family="Perlidae" genus="Neoperla" kingdom="Animalia" order="Plecoptera" pageId="2" pageNumber="304" phylum="Arthropoda" rank="species" species="hubleyi">
<emphasis box="[426,538,836,860]" italics="true" pageId="2" pageNumber="304">N. hubleyi</emphasis>
<bibRefCitation author="Stark, B. P. &amp; I. Sivec" box="[543,762,836,860]" pageId="2" pageNumber="304" pagination="19 - 54" refId="ref1081" refString="Stark, B. P. &amp; I. Sivec. 2008. New species and records of Neoperla (Plecoptera: Perlidae) from Vietnam. Illiesia, 4: 19 - 54." type="journal article" year="2008">Stark &amp; Sivec, 2008</bibRefCitation>
</taxonomicName>
,
<taxonomicName authorityName="Stark &amp; Sivec" authorityYear="2008" class="Insecta" family="Perlidae" genus="Neoperla" kingdom="Animalia" order="Plecoptera" pageId="2" pageNumber="304" phylum="Arthropoda" rank="species" species="idella">
<emphasis italics="true" pageId="2" pageNumber="304">N. idella</emphasis>
</taxonomicName>
and
<taxonomicName authority="Stark &amp; Sivec, 2008" authorityName="Stark &amp; Sivec" authorityYear="2008" box="[305,673,872,896]" class="Insecta" family="Perlidae" genus="Neoperla" kingdom="Animalia" order="Plecoptera" pageId="2" pageNumber="304" phylum="Arthropoda" rank="species" species="spinaloba">
<emphasis box="[305,440,872,896]" italics="true" pageId="2" pageNumber="304">N. spinaloba</emphasis>
<bibRefCitation author="Stark, B. P. &amp; I. Sivec" box="[447,673,872,896]" pageId="2" pageNumber="304" pagination="19 - 54" refId="ref1081" refString="Stark, B. P. &amp; I. Sivec. 2008. New species and records of Neoperla (Plecoptera: Perlidae) from Vietnam. Illiesia, 4: 19 - 54." type="journal article" year="2008">Stark &amp; Sivec, 2008</bibRefCitation>
</taxonomicName>
. Although this species shares several characters with
<taxonomicName authorityName="Stark &amp; Sivec" authorityYear="2008" box="[697,791,907,931]" class="Insecta" family="Perlidae" genus="Neoperla" kingdom="Animalia" order="Plecoptera" pageId="2" pageNumber="304" phylum="Arthropoda" rank="species" species="idella">
<emphasis box="[697,791,907,931]" italics="true" pageId="2" pageNumber="304">N. idella</emphasis>
</taxonomicName>
, the two differ, particularly in lid chorionic surface (
<figureCitation box="[197,302,978,1002]" captionStart="Figs" captionStartId="1.[189,242,1866,1890]" captionTargetBox="[249,1383,897,1817]" captionTargetId="figure-35@1.[249,1383,897,1817]" captionTargetPageId="1" captionText="Figs. 4-7. Neoperla Vn-C egg structures. 4. Entire egg. 5. Collar detail. 6. Follicle cell impression detail on lid. 7. Lid detail." figureDoi="http://doi.org/10.5281/zenodo.4753229" httpUri="https://zenodo.org/record/4753229/files/figure.png" pageId="2" pageNumber="304">Figs. 6-7</figureCitation>
), where
<taxonomicName authorityName="Stark &amp; Sivec" authorityYear="2008" box="[409,504,978,1002]" class="Insecta" family="Perlidae" genus="Neoperla" kingdom="Animalia" order="Plecoptera" pageId="2" pageNumber="304" phylum="Arthropoda" rank="species" species="idella">
<emphasis box="[409,504,978,1002]" italics="true" pageId="2" pageNumber="304">N. idella</emphasis>
</taxonomicName>
has an irregular row of large pits surrounding the lid along the strial margin, and no conspicuous follicle cell impressions occur on the lid (see Fig.
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<bibRefCitation author="Stark, B. P. &amp; I. Sivec" box="[452,674,1085,1109]" pageId="2" pageNumber="304" pagination="19 - 54" refId="ref1081" refString="Stark, B. P. &amp; I. Sivec. 2008. New species and records of Neoperla (Plecoptera: Perlidae) from Vietnam. Illiesia, 4: 19 - 54." type="journal article" year="2008">Stark &amp; Sivec 2008</bibRefCitation>
).
</paragraph>
</subSubSection>
<subSubSection pageId="2" pageNumber="304" type="discussion">
<paragraph blockId="2.[189,798,197,1429]" pageId="2" pageNumber="304">
<emphasis bold="true" box="[189,328,1120,1144]" pageId="2" pageNumber="304">
<author box="[189,322,1120,1144]" fns="*" inm="true" npo="*" pageId="2" pageNumber="304">Comments</author>
.
</emphasis>
Based on similarities in size, color pattern and proximity these large females may represent the unknown female stage for
<emphasis box="[660,730,1192,1216]" italics="true" pageId="2" pageNumber="304">N. dao</emphasis>
Stark &amp; Sivec
<year box="[283,339,1228,1252]" pageId="2" pageNumber="304">2008</year>
,
<title jopScore="0.15476236" pageId="2" pageNumber="304" type="_" typeScore="8">a species described from Tam Dao Hill Station, Vihn Phu province</title>
.
<journalOrPublisher jopScore="0.024934243" pageId="2" pageNumber="304">
Male forewing length for
<emphasis box="[189,260,1298,1322]" italics="true" pageId="2" pageNumber="304">N. dao</emphasis>
is
</journalOrPublisher>
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which might be compatible with the
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<pagination box="[189,216,1334,1358]" pageId="2" pageNumber="304" type="pagination">23</pagination>
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forewing length of the new specimens. However, we hesitate to make the association until co-occurrence is established.
</paragraph>
</subSubSection>
</treatment>
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