treatments-xml/data/03/B3/87/03B387E715568106FF5AFD25FDDD56CF.xml

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<document id="0280C94BB8BF7BBCDDBBD7FB45780702" ID-ISSN="1175­5334" ID-ZooBank="505937B0-9F57-4068-82E6-8553826DD5AA" IM.materialsCitations_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1629822157238" checkinUser="felipe" docAuthor="Judson, Sarah W. &amp; Nelson, C. Riley" docDate="2012" docId="03B387E715568106FF5AFD25FDDD56CF" docLanguage="en" docName="zt03541p118.pdf" docOrigin="Zootaxa 3541" docStyle="DocumentStyle:D239614CE4198176A422035174489AB1.4:Zootaxa.2009-2012.monograph" docStyleId="D239614CE4198176A422035174489AB1" docStyleName="Zootaxa.2009-2012.monograph" docStyleVersion="4" docTitle="Isoperla obscura" docType="treatment" docVersion="2" lastPageNumber="49" masterDocId="FF8AFF9F15668136FFCDFFA7FFAF5015" masterDocTitle="3541" masterLastPageNumber="118" masterPageNumber="1" pageNumber="49" updateTime="1699117090469" updateUser="plazi" zenodo-license-document="CLOSED">
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<mods:namePart id="7A74858A433995E4705D963D6BA24EBF">Judson, Sarah W.</mods:namePart>
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<subSubSection id="C300657A15568106FF5AFD25FE9352F7" pageId="48" pageNumber="49" type="nomenclature">
<paragraph id="8BA536F115568106FF5AFD25FDFF5289" blockId="48.[151,592,642,668]" box="[151,592,642,668]" pageId="48" pageNumber="49">
<heading id="D0ED819D15568106FF5AFD25FDFF5289" bold="true" box="[151,592,642,668]" fontSize="11" level="1" pageId="48" pageNumber="49" reason="1">
<taxonomicName id="4C1A4D7215568106FF5AFD25FDFF5289" ID-CoL="6MZLC" authority="(Zetterstedt, 1840)" baseAuthorityName="Zetterstedt" baseAuthorityYear="1840" box="[151,592,642,668]" class="Insecta" family="Perlodidae" genus="Isoperla" kingdom="Animalia" order="Plecoptera" pageId="48" pageNumber="49" phylum="Arthropoda" rank="species" species="obscura">
<emphasis id="B96EEAE315568106FF5AFD25FDFF5289" bold="true" box="[151,592,642,668]" pageId="48" pageNumber="49">
<emphasis id="B96EEAE315568106FF5AFD25FECE5289" bold="true" box="[151,353,642,668]" italics="true" pageId="48" pageNumber="49">Isoperla obscura</emphasis>
(Zetterstedt, 1840)
</emphasis>
</taxonomicName>
</heading>
</paragraph>
<paragraph id="8BA536F115568106FF5AFD6EFE9352F7" blockId="48.[151,533,713,894]" box="[151,316,713,738]" pageId="48" pageNumber="49">
<heading id="D0ED819D15568106FF5AFD6EFE9352F7" bold="true" box="[151,316,713,738]" fontSize="10" level="2" pageId="48" pageNumber="49" reason="2">
<emphasis id="B96EEAE315568106FF5AFD6EFE9352F7" bold="true" box="[151,316,713,738]" pageId="48" pageNumber="49">SYNONYMY</emphasis>
</heading>
</paragraph>
</subSubSection>
<subSubSection id="C300657A15568106FF5AFD4AFE61536B" pageId="48" pageNumber="49" type="description">
<paragraph id="8BA536F115568106FF5AFD4AFE765316" blockId="48.[151,533,713,894]" box="[151,473,749,771]" pageId="48" pageNumber="49">
<taxonomicName id="4C1A4D7215568106FF5AFD4AFE765316" authority="Zetterstedt, 1840" authorityName="Zetterstedt" authorityYear="1840" box="[151,473,749,771]" class="Insecta" family="Perlidae" genus="Perla" kingdom="Animalia" order="Plecoptera" pageId="48" pageNumber="49" phylum="Arthropoda" rank="species" species="obscura">
<emphasis id="B96EEAE315568106FF5AFD4AFE885316" box="[151,295,749,771]" italics="true" pageId="48" pageNumber="49">Perla obscura</emphasis>
Zetterstedt, 1840
</taxonomicName>
</paragraph>
<paragraph id="8BA536F115568106FF5AFCABFE655334" blockId="48.[151,533,713,894]" box="[151,458,779,802]" pageId="48" pageNumber="49">
<taxonomicName id="4C1A4D7215568106FF5AFCABFE655334" authority="Pictet, 1841" authorityName="Pictet" authorityYear="1841" box="[151,458,779,802]" class="Insecta" family="Perlidae" genus="Perla" kingdom="Animalia" order="Plecoptera" pageId="48" pageNumber="49" phylum="Arthropoda" rank="species" species="grisepennis">
<emphasis id="B96EEAE315568106FF5AFCABFEE65334" box="[151,329,780,802]" italics="true" pageId="48" pageNumber="49">Perla grisepennis</emphasis>
Pictet, 1841
</taxonomicName>
</paragraph>
<paragraph id="8BA536F115568106FF5AFC8DFE1E5355" blockId="48.[151,533,713,894]" box="[151,433,810,832]" pageId="48" pageNumber="49">
<taxonomicName id="4C1A4D7215568106FF5AFC8DFE1E5355" authority="Rambur, 1842" authorityName="Rambur" authorityYear="1842" box="[151,433,810,832]" class="Insecta" family="Perlidae" genus="Perla" kingdom="Animalia" order="Plecoptera" pageId="48" pageNumber="49" phylum="Arthropoda" rank="species" species="tenella">
<emphasis id="B96EEAE315568106FF5AFC8DFEB55355" box="[151,282,810,832]" italics="true" pageId="48" pageNumber="49">Perla tenella</emphasis>
Rambur, 1842
</taxonomicName>
</paragraph>
<paragraph id="8BA536F115568106FF5AFCEEFDBA534A" blockId="48.[151,533,713,894]" box="[151,533,841,863]" pageId="48" pageNumber="49">
<taxonomicName id="4C1A4D7215568106FF5AFCEEFDBA534A" authority="Bengtsson, 1933" authorityName="Bengtsson" authorityYear="1933" box="[151,533,841,863]" class="Insecta" family="Chloroperlidae" genus="Chloroperla" kingdom="Animalia" order="Plecoptera" pageId="48" pageNumber="49" phylum="Arthropoda" rank="species" species="limbata">
<emphasis id="B96EEAE315568106FF5AFCEEFEC8534A" box="[151,359,841,863]" italics="true" pageId="48" pageNumber="49">Chloroperla limbata</emphasis>
Bengtsson, 1933
</taxonomicName>
</paragraph>
<paragraph id="8BA536F115568106FF5AFCCFFE61536B" blockId="48.[151,533,713,894]" box="[151,462,872,894]" pageId="48" pageNumber="49">
<taxonomicName id="4C1A4D7215568106FF5AFCCFFE61536B" authority="Brinck, 1952" authorityName="Brinck" authorityYear="1952" box="[151,462,872,894]" class="Insecta" family="Perlodidae" genus="Isoperla" kingdom="Animalia" order="Plecoptera" pageId="48" pageNumber="49" phylum="Arthropoda" rank="species" species="obscura">
<emphasis id="B96EEAE315568106FF5AFCCFFEEC536B" box="[151,323,872,894]" italics="true" pageId="48" pageNumber="49">Isoperla obscura</emphasis>
Brinck, 1952
</taxonomicName>
</paragraph>
</subSubSection>
<subSubSection id="C300657A15568106FF5AFC0CFDCB53D7" box="[151,612,938,963]" pageId="48" pageNumber="49" type="materials_examined">
<paragraph id="8BA536F115568106FF5AFC0CFDCB53D7" blockId="48.[151,1436,938,1755]" box="[151,612,938,963]" pageId="48" pageNumber="49">
<materialsCitation id="3B723CAC15568106FF5AFC0CFDCE53D7" box="[151,609,938,963]" country="Sweden" location="Lappland" pageId="48" pageNumber="49" specimenCount="1" typeStatus="holotype">
<emphasis id="B96EEAE315568106FF5AFC0CFE2B53D6" bold="true" box="[151,388,938,963]" pageId="48" pageNumber="49">
<typeStatus id="54A1885315568106FF5AFC0CFF4D53D6" box="[151,226,939,963]" pageId="48" pageNumber="49">TYPE</typeStatus>
LOCALITY:
</emphasis>
<collectingCountry id="F30D766115568106FE41FC0DFE4653D7" box="[396,489,938,962]" name="Sweden" pageId="48" pageNumber="49">Sweden</collectingCountry>
:
<location id="8EC5602A15568106FE3EFC0DFDCE53D7" LSID="urn:lsid:plazi:treatment:03B387E715568106FF5AFD25FDDD56CF:8EC5602A15568106FE3EFC0DFDCE53D7" box="[499,609,938,962]" country="Sweden" name="Lappland" pageId="48" pageNumber="49">Lappland</location>
</materialsCitation>
.
</paragraph>
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<subSubSection id="C300657A15568106FF0AFC69FEFA5633" pageId="48" pageNumber="49" type="diagnosis">
<paragraph id="8BA536F115568106FF0AFC69FEFA5633" blockId="48.[151,1436,938,1755]" pageId="48" pageNumber="49">
<emphasis id="B96EEAE315568106FF0AFC69FEC253F2" bold="true" box="[199,365,974,999]" pageId="48" pageNumber="49">DIAGNOSIS:</emphasis>
Adult head coloration is generally infuscate with dark pigmentation connecting the ocelli and an interocellar pale oval closed posteriorly by dark pigmentation (
<figureCitation id="13212A7415568106FC6EFC55FBA5541F" box="[931,1034,1010,1034]" captionStart="FIGURES 341344" captionStartId="94.[151,263,983,1006]" captionTargetBox="[157,1434,193,920]" captionTargetId="figure-74@94.[151,1436,193,962]" captionTargetPageId="94" captionText="FIGURES 341344. Isoperla obscura. 341: Habitus (preserved); 342: Male terminalia, dorsal; 343: Female terminalia, ventral; 344: Predicted ENM map with documented occurrences and range estimate." pageId="48" pageNumber="49">Fig. 341</figureCitation>
). A nearly continuous pale line is present from the clypeus through the mesoscutum,
<taxonomicName id="4C1A4D7215568106FD1FFBB1FC3F543B" authorityName="Brinck" authorityYear="1952" box="[722,912,1046,1070]" class="Insecta" family="Perlodidae" genus="Isoperla" kingdom="Animalia" order="Plecoptera" pageId="48" pageNumber="49" phylum="Arthropoda" rank="species" species="obscura">
<emphasis id="B96EEAE315568106FD1FFBB1FC3F543B" box="[722,912,1046,1070]" italics="true" pageId="48" pageNumber="49">Isoperla obscura</emphasis>
</taxonomicName>
lacks golden markings on the anterior lobes of the mesoscutum above the wing insertion points (
<figureCitation id="13212A7415568106FD1FFB9DFC995447" box="[722,822,1082,1106]" captionStart="FIGURES 341344" captionStartId="94.[151,263,983,1006]" captionTargetBox="[157,1434,193,920]" captionTargetId="figure-74@94.[151,1436,193,962]" captionTargetPageId="94" captionText="FIGURES 341344. Isoperla obscura. 341: Habitus (preserved); 342: Male terminalia, dorsal; 343: Female terminalia, ventral; 344: Predicted ENM map with documented occurrences and range estimate." pageId="48" pageNumber="49">Fig. 341</figureCitation>
), which is distinct from the mesonotum coloration of
<taxonomicName id="4C1A4D7215568106FF5AFBF9FE2C5463" baseAuthorityName="Navas" baseAuthorityYear="1923" box="[151,387,1118,1142]" class="Insecta" family="Perlodidae" genus="Kaszabia" kingdom="Animalia" order="Plecoptera" pageId="48" pageNumber="49" phylum="Arthropoda" rank="species" species="nigricauda">
<emphasis id="B96EEAE315568106FF5AFBF9FE2C5463" box="[151,387,1118,1142]" italics="true" pageId="48" pageNumber="49">Kaszabia nigricauda</emphasis>
</taxonomicName>
and
<taxonomicName id="4C1A4D7215568106FE71FBF8FD8B5463" authorityName="Zhiltzova" authorityYear="1972" box="[444,548,1118,1142]" class="Insecta" family="Perlodidae" genus="Isoperla" kingdom="Animalia" order="Plecoptera" pageId="48" pageNumber="49" phylum="Arthropoda" rank="species" species="kozlovi">
<emphasis id="B96EEAE315568106FE71FBF8FD8B5463" box="[444,548,1118,1142]" italics="true" pageId="48" pageNumber="49">I. kozlovi</emphasis>
</taxonomicName>
(
<figureCitation id="13212A7415568106FDF8FBF9FD365463" box="[565,665,1118,1142]" captionStart="FIGURES 350354" captionStartId="95.[151,258,942,963]" captionTargetBox="[151,1436,159,928]" captionTargetId="figure-61@95.[151,1436,159,928]" captionTargetPageId="95" captionText="FIGURES 350354. Kaszabia nigricauda. 350: Habitus (preserved); 351: Male terminalia, dorsal; 352: Male abdomen, lateral; 353: Female terminalia, ventral; 354: Predicted ENM map with documented occurrences and range estimate." pageId="48" pageNumber="49">Fig. 350</figureCitation>
,
<figureCitation id="13212A7415568106FD68FBF9FD7F5463" box="[677,720,1118,1142]" captionStart="FIGURES 326330" captionStartId="92.[151,264,1880,1903]" captionTargetBox="[171,1436,1090,1859]" captionTargetId="figure-82@92.[151,1436,1090,1859]" captionTargetPageId="92" captionText="FIGURES 326330. Isoperla kozlovi. 326: Habitus (preserved); 327: Male terminalia, dorsal; 328: Male, ventral, showing penial sclerites; 329: Female terminalia, ventral; 330: Predicted ENM map with documented occurrences and range estimate." pageId="48" pageNumber="49">326</figureCitation>
) which otherwise have vaguely similar head coloration. Males have dark, heavily sclerotized paraprocts, the tips of which are pointed and arch over the 10th tergum, but are not diagnostic. The male penis, if extruded as illustrated in Zwick and Surenkholoo (2005), has a V-shaped row of sharp teeth and lacks large sclerites. The female subgenital plate is triangular with a rounded apex (
<figureCitation id="13212A7415568106FAE4FB6DFA2054F7" box="[1321,1423,1226,1250]" captionStart="FIGURES 341344" captionStartId="94.[151,263,983,1006]" captionTargetBox="[157,1434,193,920]" captionTargetId="figure-74@94.[151,1436,193,962]" captionTargetPageId="94" captionText="FIGURES 341344. Isoperla obscura. 341: Habitus (preserved); 342: Male terminalia, dorsal; 343: Female terminalia, ventral; 344: Predicted ENM map with documented occurrences and range estimate." pageId="48" pageNumber="49">Fig. 343</figureCitation>
), resembling
<taxonomicName id="4C1A4D7215568106FED6FB48FE185513" baseAuthorityName="Navas" baseAuthorityYear="1923" box="[283,439,1262,1286]" class="Insecta" family="Perlodidae" genus="Kaszabia" kingdom="Animalia" order="Plecoptera" pageId="48" pageNumber="49" phylum="Arthropoda" rank="species" species="nigricauda">
<emphasis id="B96EEAE315568106FED6FB48FE185513" box="[283,439,1262,1286]" italics="true" pageId="48" pageNumber="49">K. nigricauda</emphasis>
</taxonomicName>
and
<taxonomicName id="4C1A4D7215568106FE23FB48FDFA5513" authorityName="Zhiltzova" authorityYear="1972" box="[494,597,1262,1286]" class="Insecta" family="Perlodidae" genus="Isoperla" kingdom="Animalia" order="Plecoptera" pageId="48" pageNumber="49" phylum="Arthropoda" rank="species" species="kozlovi">
<emphasis id="B96EEAE315568106FE23FB48FDFA5513" box="[494,597,1262,1286]" italics="true" pageId="48" pageNumber="49">I. kozlovi</emphasis>
</taxonomicName>
(
<figureCitation id="13212A7415568106FDA8FB49FD695513" box="[613,710,1262,1286]" captionStart="FIGURES 350354" captionStartId="95.[151,258,942,963]" captionTargetBox="[151,1436,159,928]" captionTargetId="figure-61@95.[151,1436,159,928]" captionTargetPageId="95" captionText="FIGURES 350354. Kaszabia nigricauda. 350: Habitus (preserved); 351: Male terminalia, dorsal; 352: Male abdomen, lateral; 353: Female terminalia, ventral; 354: Predicted ENM map with documented occurrences and range estimate." pageId="48" pageNumber="49">Fig. 353</figureCitation>
,
<figureCitation id="13212A7415568106FD1EFB49FCAE5513" box="[723,769,1262,1286]" captionStart="FIGURES 326330" captionStartId="92.[151,264,1880,1903]" captionTargetBox="[171,1436,1090,1859]" captionTargetId="figure-82@92.[151,1436,1090,1859]" captionTargetPageId="92" captionText="FIGURES 326330. Isoperla kozlovi. 326: Habitus (preserved); 327: Male terminalia, dorsal; 328: Male, ventral, showing penial sclerites; 329: Female terminalia, ventral; 330: Predicted ENM map with documented occurrences and range estimate." pageId="48" pageNumber="49">329</figureCitation>
). Also like
<taxonomicName id="4C1A4D7215568106FC4EFB48FBB05513" baseAuthorityName="Navas" baseAuthorityYear="1923" box="[899,1055,1262,1286]" class="Insecta" family="Perlodidae" genus="Kaszabia" kingdom="Animalia" order="Plecoptera" pageId="48" pageNumber="49" phylum="Arthropoda" rank="species" species="nigricauda">
<emphasis id="B96EEAE315568106FC4EFB48FBB05513" box="[899,1055,1262,1286]" italics="true" pageId="48" pageNumber="49">K. nigricauda</emphasis>
</taxonomicName>
, the plate is long, and completely covers segments 8 and 9, whereas the plate of
<taxonomicName id="4C1A4D7215568106FD62FAB4FCB8553E" authorityName="Zhiltzova" authorityYear="1972" box="[687,791,1299,1323]" class="Insecta" family="Perlodidae" genus="Isoperla" kingdom="Animalia" order="Plecoptera" pageId="48" pageNumber="49" phylum="Arthropoda" rank="species" species="kozlovi">
<emphasis id="B96EEAE315568106FD62FAB4FCB8553E" box="[687,791,1299,1323]" italics="true" pageId="48" pageNumber="49">I. kozlovi</emphasis>
</taxonomicName>
only extends over half of segment 9. Female specimens more readily distinguished by head and other coloration. Nymph head coloration (
<figureCitation id="13212A7415568106FBBEFA91FB77555B" box="[1139,1240,1334,1358]" captionStart="FIGURES 302310" captionStartId="90.[151,264,1845,1868]" captionTargetBox="[190,1420,193,1824]" captionTargetId="figure-61@90.[167,1421,193,1824]" captionTargetPageId="90" captionText="FIGURES 302310. Isoperla and Kaszabia nymphs. Illustrations after Teslenko and Zhiltzova (2006). 302: I. altaica; 303: I. asiatica; 304: I. eximia; 305: I. kozlovi; 306: I. lunigera; 307: I. mongolica; 308: I. obscura; 309: I. potanini; 310: K. nigricauda." pageId="48" pageNumber="49">Fig. 308</figureCitation>
) is similar to
<taxonomicName id="4C1A4D7215568106FA41FA90FEA25566" authorityName="Zhiltzova" authorityYear="1972" class="Insecta" family="Perlodidae" genus="Isoperla" kingdom="Animalia" order="Plecoptera" pageId="48" pageNumber="49" phylum="Arthropoda" rank="species" species="mongolica">
<emphasis id="B96EEAE315568106FA41FA90FEA25566" italics="true" pageId="48" pageNumber="49">I. mongolica</emphasis>
</taxonomicName>
with a pale oval in the ocellar region in line with two other ovals located anterior and poster to the ocellar oval, though
<taxonomicName id="4C1A4D7215568106FE4FFAD8FE595583" authorityName="Brinck" authorityYear="1952" box="[386,502,1406,1430]" class="Insecta" family="Perlodidae" genus="Isoperla" kingdom="Animalia" order="Plecoptera" pageId="48" pageNumber="49" phylum="Arthropoda" rank="species" species="obscura">
<emphasis id="B96EEAE315568106FE4FFAD8FE595583" box="[386,502,1406,1430]" italics="true" pageId="48" pageNumber="49">I. obscura</emphasis>
</taxonomicName>
is lighter overall especially without dark pigmentation on the posterior margin of the head. The nymph is also distinct from
<taxonomicName id="4C1A4D7215568106FDBBFA04FCAB55AE" authorityName="Zhiltzova" authorityYear="1972" box="[630,772,1443,1467]" class="Insecta" family="Perlodidae" genus="Isoperla" kingdom="Animalia" order="Plecoptera" pageId="48" pageNumber="49" phylum="Arthropoda" rank="species" species="mongolica">
<emphasis id="B96EEAE315568106FDBBFA04FCAB55AE" box="[630,772,1443,1467]" italics="true" pageId="48" pageNumber="49">I. mongolica</emphasis>
</taxonomicName>
based on abdominal coloration, specifically the placement of pale heart shaped marks of which
<taxonomicName id="4C1A4D7215568106FDF9FA60FD0955CB" authorityName="Brinck" authorityYear="1952" box="[564,678,1478,1502]" class="Insecta" family="Perlodidae" genus="Isoperla" kingdom="Animalia" order="Plecoptera" pageId="48" pageNumber="49" phylum="Arthropoda" rank="species" species="obscura">
<emphasis id="B96EEAE315568106FDF9FA60FD0955CB" box="[564,678,1478,1502]" italics="true" pageId="48" pageNumber="49">I. obscura</emphasis>
</taxonomicName>
has one medial marking on each of the anterior segments, but none on the terminal segment as in
<emphasis id="B96EEAE315568106FDC6FA4CFD095616" box="[523,678,1515,1539]" italics="true" pageId="48" pageNumber="49">
<taxonomicName id="4C1A4D7215568106FDC6FA4CFD0C5616" authorityName="Zhiltzova" authorityYear="1972" box="[523,675,1515,1539]" class="Insecta" family="Perlodidae" genus="Isoperla" kingdom="Animalia" order="Plecoptera" pageId="48" pageNumber="49" phylum="Arthropoda" rank="species" species="mongolica">I. mongolica</taxonomicName>
.
</emphasis>
Nymph also noted to have similar coloration to
<taxonomicName id="4C1A4D7215568106FB37FA4CFEFE5633" authority="(Teslenko 2008)" baseAuthorityName="Teslenko" baseAuthorityYear="2008" class="Insecta" family="Perlodidae" genus="Kaszabia" kingdom="Animalia" order="Plecoptera" pageId="48" pageNumber="49" phylum="Arthropoda" rank="species" species="nigricauda">
<emphasis id="B96EEAE315568106FB37FA4CFA335616" box="[1274,1436,1515,1539]" italics="true" pageId="48" pageNumber="49">K. nigricauda</emphasis>
(Teslenko 2008)
</taxonomicName>
.
</paragraph>
</subSubSection>
<subSubSection id="C300657A15568106FF0AF995FF50567B" pageId="48" pageNumber="49" type="distribution">
<paragraph id="8BA536F115568106FF0AF995FF50567B" blockId="48.[151,1436,938,1755]" pageId="48" pageNumber="49">
<emphasis id="B96EEAE315568106FF0AF995FDA3565E" bold="true" box="[199,524,1586,1611]" pageId="48" pageNumber="49">DISTRIBUTION—Global:</emphasis>
TransPalearctic—
<emphasis id="B96EEAE315568106FD12F995FCFD565E" bold="true" box="[735,850,1586,1611]" pageId="48" pageNumber="49">Regional:</emphasis>
AOB, IDB—
<emphasis id="B96EEAE315568106FC39F995FBE3565E" bold="true" box="[1012,1100,1586,1611]" pageId="48" pageNumber="49">Aimag:</emphasis>
BO, BU, DA*, KhD*, KhG, SE, TO^.
</paragraph>
</subSubSection>
<subSubSection id="C300657A15568106FF0AF9DDFDDD56CF" pageId="48" pageNumber="49" type="discussion">
<paragraph id="8BA536F115568106FF0AF9DDFDDD56CF" blockId="48.[151,1436,938,1755]" pageId="48" pageNumber="49">
<emphasis id="B96EEAE315568106FF0AF9DDFED45686" bold="true" box="[199,379,1658,1683]" pageId="48" pageNumber="49">DISCUSSION:</emphasis>
We primarily collected
<taxonomicName id="4C1A4D7215568106FD45F9DCFD565686" authorityName="Brinck" authorityYear="1952" box="[648,761,1659,1683]" class="Insecta" family="Perlodidae" genus="Isoperla" kingdom="Animalia" order="Plecoptera" pageId="48" pageNumber="49" phylum="Arthropoda" rank="species" species="obscura">
<emphasis id="B96EEAE315568106FD45F9DCFD565686" box="[648,761,1659,1683]" italics="true" pageId="48" pageNumber="49">I. obscura</emphasis>
</taxonomicName>
near larger rivers like the
<collectingRegion id="49DEF81315568106FBD2F9DDFBD85687" box="[1055,1143,1658,1682]" country="Mongolia" name="Selenge" pageId="48" pageNumber="49">Selenge</collectingRegion>
and Eroo, but this species was also collected historically near a lake in western
<collectingCountry id="F30D766115568106FD3EF939FCCC56A3" box="[755,867,1694,1718]" name="Mongolia" pageId="48" pageNumber="49">Mongolia</collectingCountry>
. ENM range predictions indictate that this species may occur in eastern
<collectingCountry id="F30D766115568106FE4BF965FE5C56CF" box="[390,499,1730,1754]" name="Mongolia" pageId="48" pageNumber="49">Mongolia</collectingCountry>
(Fig. 394).
</paragraph>
</subSubSection>
</treatment>
</document>