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<document id="55762FA611A0D7E433F99CAAB48B9CD4" 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="03B387E715738123FF5AFC28FD3A5680" 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="Mesocapnia silvatica Rauser 1968" docType="treatment" docVersion="2" lastPageNumber="22" masterDocId="FF8AFF9F15668136FFCDFFA7FFAF5015" masterDocTitle="3541" masterLastPageNumber="118" masterPageNumber="1" pageNumber="22" updateTime="1699117090469" updateUser="plazi" zenodo-license-document="CLOSED">
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<treatment id="03B387E715738123FF5AFC28FD3A5680" LSID="urn:lsid:plazi:treatment:03B387E715738123FF5AFC28FD3A5680" httpUri="http://treatment.plazi.org/id/03B387E715738123FF5AFC28FD3A5680" lastPageNumber="22" pageId="21" pageNumber="22">
<subSubSection id="C300657A15738123FF5AFC28FE9353FA" pageId="21" pageNumber="22" type="nomenclature">
<paragraph id="8BA536F115738123FF5AFC28FD9453BC" blockId="21.[151,571,911,937]" box="[151,571,911,937]" pageId="21" pageNumber="22">
<heading id="D0ED819D15738123FF5AFC28FD9453BC" bold="true" box="[151,571,911,937]" fontSize="11" level="1" pageId="21" pageNumber="22" reason="1">
<taxonomicName id="4C1A4D7215738123FF5AFC28FD9453BC" ID-CoL="3ZZYM" authority="Rauser, 1968" authorityName="Rauser" authorityYear="1968" box="[151,571,911,937]" class="Insecta" family="Capniidae" genus="Mesocapnia" kingdom="Animalia" order="Plecoptera" pageId="21" pageNumber="22" phylum="Arthropoda" rank="species" species="silvatica">
<emphasis id="B96EEAE315738123FF5AFC28FD9453BC" bold="true" box="[151,571,911,937]" pageId="21" pageNumber="22">
<emphasis id="B96EEAE315738123FF5AFC28FE3B53BC" bold="true" box="[151,404,911,937]" italics="true" pageId="21" pageNumber="22">Mesocapnia silvatica</emphasis>
Raušer, 1968
</emphasis>
</taxonomicName>
</heading>
</paragraph>
<paragraph id="8BA536F115738123FF5AFC71FE9353FA" blockId="21.[151,506,982,1040]" box="[151,316,982,1007]" pageId="21" pageNumber="22">
<heading id="D0ED819D15738123FF5AFC71FE9353FA" bold="true" box="[151,316,982,1007]" fontSize="10" level="2" pageId="21" pageNumber="22" reason="2">
<emphasis id="B96EEAE315738123FF5AFC71FE9353FA" bold="true" box="[151,316,982,1007]" pageId="21" pageNumber="22">SYNONYMY</emphasis>
</heading>
</paragraph>
</subSubSection>
<subSubSection id="C300657A15738123FF5AFC5CFE555405" box="[151,506,1018,1040]" pageId="21" pageNumber="22" type="description">
<paragraph id="8BA536F115738123FF5AFC5CFE555405" blockId="21.[151,506,982,1040]" box="[151,506,1018,1040]" pageId="21" pageNumber="22">
<taxonomicName id="4C1A4D7215738123FF5AFC5CFE555405" authority="Rauser, 1968" authorityName="Rauser" authorityYear="1968" box="[151,506,1018,1040]" class="Insecta" family="Capniidae" genus="Mesocapnia" kingdom="Animalia" order="Plecoptera" pageId="21" pageNumber="22" phylum="Arthropoda" rank="species" species="silvatica">
<emphasis id="B96EEAE315738123FF5AFC5CFEC05405" box="[151,367,1018,1040]" italics="true" pageId="21" pageNumber="22">Mesocapnia silvatica</emphasis>
Raušer, 1968
</taxonomicName>
</paragraph>
</subSubSection>
<subSubSection id="C300657A15738123FF5AFB9AFCC15440" box="[151,878,1085,1110]" pageId="21" pageNumber="22" type="materials_examined">
<paragraph id="8BA536F115738123FF5AFB9AFCC15440" blockId="21.[151,1436,1085,1685]" box="[151,878,1085,1110]" pageId="21" pageNumber="22">
<materialsCitation id="3B723CAC15738123FF5AFB9AFCC55440" box="[151,874,1085,1110]" country="Mongolia" location="Nukht in Bogdo Ul" pageId="21" pageNumber="22" specimenCount="1" stateProvince="Ulaanbaatar" typeStatus="holotype">
<emphasis id="B96EEAE315738123FF5AFB9AFE2B5443" bold="true" box="[151,388,1085,1110]" pageId="21" pageNumber="22">
<typeStatus id="54A1885315738123FF5AFB9AFF4D5440" box="[151,226,1085,1109]" pageId="21" pageNumber="22">TYPE</typeStatus>
LOCALITY:
</emphasis>
<collectingCountry id="F30D766115738123FE41FB9AFE525440" box="[396,509,1085,1109]" name="Mongolia" pageId="21" pageNumber="22">Mongolia</collectingCountry>
:
<collectingRegion id="49DEF81315738123FDCAFB9AFD2B5440" box="[519,644,1085,1109]" country="Mongolia" name="Ulaanbaatar" pageId="21" pageNumber="22">Ulan Bator</collectingRegion>
,
<location id="8EC5602A15738123FD5DFB9AFCC55440" LSID="urn:lsid:plazi:treatment:03B387E715738123FF5AFC28FD3A5680:8EC5602A15738123FD5DFB9AFCC55440" box="[656,874,1085,1109]" country="Mongolia" name="Nukht in Bogdo Ul" pageId="21" pageNumber="22" stateProvince="Ulaanbaatar">Nukht in Bogdo Ul</location>
</materialsCitation>
.
</paragraph>
</subSubSection>
<subSubSection id="C300657A15738123FF0AFBC6FDC7558C" pageId="21" pageNumber="22" type="diagnosis">
<paragraph id="8BA536F115738123FF0AFBC6FDC7558C" blockId="21.[151,1436,1085,1685]" pageId="21" pageNumber="22">
<emphasis id="B96EEAE315738123FF0AFBC6FECB546F" bold="true" box="[199,356,1121,1146]" pageId="21" pageNumber="22">DIAGNOSIS</emphasis>
: Based on historical description and illustrations (Raušer 1968), males and females are macropterous. The male epiproct (
<figureCitation id="13212A7415738123FDDBFB22FDC95488" box="[534,614,1157,1181]" captionStart="FIGURES 7275" captionStartId="61.[151,263,983,1006]" captionTargetBox="[163,1436,214,962]" captionTargetId="figure-70@61.[151,1436,193,962]" captionTargetPageId="61" captionText="FIGURES 7275. Mesocapnia silvatica. 72: Male terminalia, dorsal; 73: Male terminalia, lateral; 74: Female terminalia, ventral; 75: Historical records map with range estimate." pageId="21" pageNumber="22">Fig. 72</figureCitation>
) is shorter than that of
<taxonomicName id="4C1A4D7215738123FCAAFB21FC755488" authorityName="Zwick" authorityYear="1973" box="[871,986,1157,1181]" class="Insecta" family="Capniidae" genus="Mesocapnia" kingdom="Animalia" order="Plecoptera" pageId="21" pageNumber="22" phylum="Arthropoda" rank="species" species="altaica">
<emphasis id="B96EEAE315738123FCAAFB21FC755488" box="[871,986,1157,1181]" italics="true" pageId="21" pageNumber="22">M. altaica</emphasis>
</taxonomicName>
(
<figureCitation id="13212A7415738123FC25FB22FB9A5488" box="[1000,1077,1157,1181]" captionStart="FIGURES 6771" captionStartId="60.[151,263,1978,2001]" captionTargetBox="[151,1436,1199,1968]" captionTargetId="figure-80@60.[151,1436,1199,1968]" captionTargetPageId="60" captionText="FIGURES 6771. Mesocapnia altaica.67: Habitus (preserved); 68: Male terminalia; 69: Female terminalia; 70: Nymph habitus; 71: Predicted ENM map with documented occurrences and range estimate." pageId="21" pageNumber="22">Fig.68</figureCitation>
), extending only halfway across tergite 9. The dorsal profile of the epiproct is sinuate with a slight constriction near the midlength (
<figureCitation id="13212A7415738123FB24FB0EFA9554D4" box="[1257,1338,1193,1217]" captionStart="FIGURES 7275" captionStartId="61.[151,263,983,1006]" captionTargetBox="[163,1436,214,962]" captionTargetId="figure-70@61.[151,1436,193,962]" captionTargetPageId="61" captionText="FIGURES 7275. Mesocapnia silvatica. 72: Male terminalia, dorsal; 73: Male terminalia, lateral; 74: Female terminalia, ventral; 75: Historical records map with range estimate." pageId="21" pageNumber="22">Fig. 72</figureCitation>
) and the lateral profile is relatively uniform in width with an abruptly narrowing and upturned apex (
<figureCitation id="13212A7415738123FB57FB6AFB4054F0" box="[1178,1263,1229,1253]" captionStart="FIGURES 7275" captionStartId="61.[151,263,983,1006]" captionTargetBox="[163,1436,214,962]" captionTargetId="figure-70@61.[151,1436,193,962]" captionTargetPageId="61" captionText="FIGURES 7275. Mesocapnia silvatica. 72: Male terminalia, dorsal; 73: Male terminalia, lateral; 74: Female terminalia, ventral; 75: Historical records map with range estimate." pageId="21" pageNumber="22">Fig. 73</figureCitation>
). At the tip, the epiproct gradually tapers, whereas in
<taxonomicName id="4C1A4D7215738123FD89FB55FD15551C" authorityName="Zwick" authorityYear="1973" box="[580,698,1265,1289]" class="Insecta" family="Capniidae" genus="Mesocapnia" kingdom="Animalia" order="Plecoptera" pageId="21" pageNumber="22" phylum="Arthropoda" rank="species" species="altaica">
<emphasis id="B96EEAE315738123FD89FB55FD15551C" box="[580,698,1265,1289]" italics="true" pageId="21" pageNumber="22">M. altaica</emphasis>
</taxonomicName>
the tapering is more abrupt. Raušer (1968) describes the overall shape from the lateral view as that of a snipe (bird) head that is craned forward (
<figureCitation id="13212A7415738123FBF9FAB2FB255538" box="[1076,1162,1301,1325]" captionStart="FIGURES 7275" captionStartId="61.[151,263,983,1006]" captionTargetBox="[163,1436,214,962]" captionTargetId="figure-70@61.[151,1436,193,962]" captionTargetPageId="61" captionText="FIGURES 7275. Mesocapnia silvatica. 72: Male terminalia, dorsal; 73: Male terminalia, lateral; 74: Female terminalia, ventral; 75: Historical records map with range estimate." pageId="21" pageNumber="22">Fig. 73</figureCitation>
). The female subgenital plate is broadly rounded (
<figureCitation id="13212A7415738123FE0EFA9EFDB75544" box="[451,536,1337,1361]" captionStart="FIGURES 7275" captionStartId="61.[151,263,983,1006]" captionTargetBox="[163,1436,214,962]" captionTargetId="figure-70@61.[151,1436,193,962]" captionTargetPageId="61" captionText="FIGURES 7275. Mesocapnia silvatica. 72: Male terminalia, dorsal; 73: Male terminalia, lateral; 74: Female terminalia, ventral; 75: Historical records map with range estimate." pageId="21" pageNumber="22">Fig. 74</figureCitation>
) similar to that of
<taxonomicName id="4C1A4D7215738123FD34FA9DFC235544" baseAuthorityName="Klapalek" baseAuthorityYear="1920" box="[761,908,1337,1361]" class="Insecta" family="Capniidae" genus="Mesocapnia" kingdom="Animalia" order="Plecoptera" pageId="21" pageNumber="22" phylum="Arthropoda" rank="species" species="variabilis">
<emphasis id="B96EEAE315738123FD34FA9DFC235544" box="[761,908,1337,1361]" italics="true" pageId="21" pageNumber="22">M. variabilis</emphasis>
</taxonomicName>
(
<figureCitation id="13212A7415738123FC52FA9EFC5B5544" box="[927,1012,1337,1361]" captionStart="FIGURES 7680" captionStartId="61.[151,264,1875,1898]" captionTargetBox="[151,1436,1085,1844]" captionTargetId="figure-74@61.[151,1436,1085,1854]" captionTargetPageId="61" captionText="FIGURES 7680. Mesocapnia variabilis. 76: Habitus (preserved); 77: Male terminalia, dorsal; 78: Male terminalia, lateral; 79: Female terminalia, ventral; 80: Predicted ENM map with documented occurrences and range estimate." pageId="21" pageNumber="22">Fig. 79</figureCitation>
) and the two species are difficult to separate as females although they can be readily distinguished from
<taxonomicName id="4C1A4D7215738123FC53FAF9FBBD5560" authorityName="Zwick" authorityYear="1973" box="[926,1042,1373,1397]" class="Insecta" family="Capniidae" genus="Mesocapnia" kingdom="Animalia" order="Plecoptera" pageId="21" pageNumber="22" phylum="Arthropoda" rank="species" species="altaica">
<emphasis id="B96EEAE315738123FC53FAF9FBBD5560" box="[926,1042,1373,1397]" italics="true" pageId="21" pageNumber="22">M. altaica</emphasis>
</taxonomicName>
which has a more triangular plate. The nymphs of this species are unknown.
</paragraph>
</subSubSection>
<subSubSection id="C300657A15738123FF0AFA02FEBB55F4" pageId="21" pageNumber="22" type="distribution">
<paragraph id="8BA536F115738123FF0AFA02FEBB55F4" blockId="21.[151,1436,1085,1685]" pageId="21" pageNumber="22">
<emphasis id="B96EEAE315738123FF0AFA02FDA355AB" bold="true" box="[199,524,1445,1470]" pageId="21" pageNumber="22">DISTRIBUTION—Global:</emphasis>
Endemic to
<collectingCountry id="F30D766115738123FD68FA02FCBE55A8" box="[677,785,1445,1469]" name="Mongolia" pageId="21" pageNumber="22">Mongolia</collectingCountry>
<emphasis id="B96EEAE315738123FCE3FA02FC0E55AB" bold="true" box="[814,929,1445,1470]" pageId="21" pageNumber="22">Regional:</emphasis>
AOB*, IDB*—
<emphasis id="B96EEAE315738123FBADFA02FB1655AB" bold="true" box="[1120,1209,1445,1470]" pageId="21" pageNumber="22">Aimag:</emphasis>
AR*, BO*, KhG*, TO*, UB*.
</paragraph>
</subSubSection>
<subSubSection id="C300657A15738123FF0AFA4AFD3A5680" pageId="21" pageNumber="22" type="discussion">
<paragraph id="8BA536F115738123FF0AFA4AFD3A5680" blockId="21.[151,1436,1085,1685]" pageId="21" pageNumber="22">
<emphasis id="B96EEAE315738123FF0AFA4AFED45613" bold="true" box="[199,379,1517,1542]" pageId="21" pageNumber="22">DISCUSSION:</emphasis>
Raušer (1968) first described the genus
<taxonomicName id="4C1A4D7215738123FCF0FA49FC695610" box="[829,966,1518,1541]" class="Insecta" family="Capniidae" genus="Mesocapnia" kingdom="Animalia" order="Plecoptera" pageId="21" pageNumber="22" phylum="Arthropoda" rank="genus">
<emphasis id="B96EEAE315738123FCF0FA49FC695610" box="[829,966,1518,1541]" italics="true" pageId="21" pageNumber="22">Mesocapnia</emphasis>
</taxonomicName>
based on this species which is endemic to
<collectingCountry id="F30D766115738123FF5AF9B6FEA8563C" box="[151,263,1553,1577]" name="Mongolia" pageId="21" pageNumber="22">Mongolia</collectingCountry>
. Our collections near the
<typeStatus id="54A1885315738123FDE2F9B5FDF0563F" box="[559,607,1554,1578]" pageId="21" pageNumber="22">type</typeStatus>
locality only documented
<taxonomicName id="4C1A4D7215738123FC5CF9B5FB8B563C" baseAuthorityName="Klapalek" baseAuthorityYear="1920" box="[913,1060,1553,1577]" class="Insecta" family="Capniidae" genus="Mesocapnia" kingdom="Animalia" order="Plecoptera" pageId="21" pageNumber="22" phylum="Arthropoda" rank="species" species="variabilis">
<emphasis id="B96EEAE315738123FC5CF9B5FB8B563C" box="[913,1060,1553,1577]" italics="true" pageId="21" pageNumber="22">M. variabilis</emphasis>
</taxonomicName>
in that region but we need more extensive collecting to confirm presence, particularly near
<collectingRegion id="49DEF81315738123FCFEF992FC685658" box="[819,967,1589,1613]" country="Mongolia" name="Ulaanbaatar" pageId="21" pageNumber="22">Ulaan Baatar</collectingRegion>
in Bogd Khan and the headwaters of the Terelj River. Evaluation of the original
<typeStatus id="54A1885315738123FD92F9FDFD205667" box="[607,655,1626,1650]" pageId="21" pageNumber="22">type</typeStatus>
specimens and collecting earlier in the year at the
<typeStatus id="54A1885315738123FB2FF9FDFABD5667" box="[1250,1298,1626,1650]" pageId="21" pageNumber="22">type</typeStatus>
locality are needed to confirm the validity of this species.
</paragraph>
</subSubSection>
</treatment>
</document>