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<document ID-DOI="http://doi.org/10.5281/zenodo.4764977" ID-GBIF-Dataset="2495e55e-efac-495d-afa2-c8c3f51bb78b" ID-GBIF-Taxon="182137659" ID-ISSN="1854-0392" ID-Zenodo-Dep="4764977" checkinTime="1620923097789" checkinUser="felipe" docAuthor="Zwick, Peter" docDate="2011" docId="861187FE787AFFE076EC4B27E548F921" docLanguage="en" docName="Illiesia.7.26.291-296.pdf" docOrigin="Illiesia 7 (26)" docStyle="DocumentStyle:3ED4ECBC8873166DC296BE619562C54F.3:Illiesia.2009-.journal_article" docStyleId="3ED4ECBC8873166DC296BE619562C54F" docStyleName="Illiesia.2009-.journal_article" docStyleVersion="3" docTitle="Perlodes mortoni Klapalek 1906" docType="treatment" docVersion="5" lastPageId="4" lastPageNumber="295" masterDocId="7A28FF867878FFE476274D49E406FFA6" masterDocTitle="Polymorphism And Taxonomic Problems In The Perlodes Microcephalus Group (Plecoptera: Perlodidae); Perlodes Mortoni Removed From Synonymy" masterLastPageNumber="296" masterPageNumber="291" pageId="2" pageNumber="293" updateTime="1643556749787" updateUser="ExternalLinkService" zenodo-license-document="CC-BY-4.0">
<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
<mods:titleInfo>
<mods:title>Polymorphism And Taxonomic Problems In The Perlodes Microcephalus Group (Plecoptera: Perlodidae); Perlodes Mortoni Removed From Synonymy</mods:title>
</mods:titleInfo>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Zwick, Peter</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>26</mods:number>
</mods:detail>
<mods:extent unit="page">
<mods:start>291</mods:start>
<mods:end>296</mods:end>
</mods:extent>
</mods:part>
</mods:relatedItem>
<mods:classification>journal article</mods:classification>
<mods:identifier type="DOI">http://doi.org/10.5281/zenodo.4758218</mods:identifier>
<mods:identifier type="GBIF-Dataset">2495e55e-efac-495d-afa2-c8c3f51bb78b</mods:identifier>
<mods:identifier type="ISSN">1854-0392</mods:identifier>
<mods:identifier type="Zenodo-Dep">4758218</mods:identifier>
</mods:mods>
<treatment ID-DOI="http://doi.org/10.5281/zenodo.4764977" ID-GBIF-Taxon="182137659" ID-Zenodo-Dep="4764977" LSID="urn:lsid:plazi:treatment:861187FE787AFFE076EC4B27E548F921" httpUri="http://treatment.plazi.org/id/861187FE787AFFE076EC4B27E548F921" lastPageId="4" lastPageNumber="295" pageId="2" pageNumber="293">
<subSubSection box="[203,783,1646,1671]" pageId="2" pageNumber="293" type="nomenclature">
<paragraph blockId="2.[203,783,1646,1671]" box="[203,783,1646,1671]" pageId="2" pageNumber="293">
<heading bold="true" box="[203,783,1646,1671]" centered="true" fontSize="10" level="2" pageId="2" pageNumber="293" reason="2">
<emphasis bold="true" box="[203,783,1646,1671]" pageId="2" pageNumber="293">
<taxonomicName authority="Klapalek 1906" authorityName="Klapalek" authorityYear="1906" box="[203,586,1646,1670]" class="Insecta" family="Perlodidae" genus="Perlodes" kingdom="Animalia" order="Plecoptera" pageId="2" pageNumber="293" phylum="Arthropoda" rank="species" species="mortoni">
<emphasis bold="true" box="[203,407,1646,1670]" italics="true" pageId="2" pageNumber="293">Perlodes mortoni</emphasis>
Klapálek 1906
</taxonomicName>
, species propria
</emphasis>
</heading>
</paragraph>
</subSubSection>
<subSubSection lastPageId="4" lastPageNumber="295" pageId="2" pageNumber="293" type="materials_examined">
<paragraph blockId="2.[189,798,1718,1920]" lastBlockId="3.[189,797,1788,1919]" lastPageId="3" lastPageNumber="294" pageId="2" pageNumber="293">
<emphasis bold="true" box="[189,417,1718,1742]" pageId="2" pageNumber="293">Material examined</emphasis>
.
<materialsCitation ID-GBIF-Occurrence="3111884312" collectingDate="1902-04-13" collectorName="K. J. Morton &amp; Gotha Dr. Muller" country="United Kingdom" county="Carluke" lastPageId="3" lastPageNumber="294" location="The" municipality="Natural History Museum" pageId="2" pageNumber="293" specimenCount="6" specimenCount-female="5" specimenCount-male="1" typeStatus="syntype">
<emphasis box="[430,536,1718,1741]" italics="true" pageId="2" pageNumber="293">
<typeStatus box="[430,532,1718,1741]" pageId="2" pageNumber="293">Syntypes</typeStatus>
.
</emphasis>
<location LSID="urn:lsid:plazi:treatment:861187FE787AFFE076EC4B27E548F921:0B676033787AFFE6743A4BFFE64FF968" box="[541,585,1718,1742]" country="United Kingdom" county="Carluke" municipality="Natural History Museum" name="The" pageId="2" pageNumber="293">The</location>
complete original material sent by
<collectorName box="[417,582,1754,1777]" pageId="2" pageNumber="293">K. J. Morton</collectorName>
seems to be in
<location LSID="urn:lsid:plazi:treatment:861187FE787AFFE076EC4B27E548F921:0B676033787AFFE6769A4BB4E4F3F8B3" box="[189,245,1789,1813]" country="United Kingdom" county="Carluke" municipality="Natural History Museum" name="Klap" pageId="2" pageNumber="293">Klap</location>
{lek's collection in the
<collectingMunicipality box="[505,798,1789,1813]" pageId="2" pageNumber="293">Natural History Museum</collectingMunicipality>
at Praha Kunratice. Most specimens are from &quot;Uddington,
<date box="[342,461,1860,1884]" pageId="2" pageNumber="293" value="1902-04-13">
<collectingDate box="[342,461,1860,1884]" pageId="2" pageNumber="293" value="1902-04-13">13.iv.1902</collectingDate>
</date>
,
<collectorName box="[471,609,1860,1884]" pageId="2" pageNumber="293">K.J. Morton</collectorName>
&quot; or very similar collecting dates, plus several specimens from
<collectingCounty box="[835,931,1646,1670]" pageId="2" pageNumber="293">Carluke</collectingCounty>
,
<collectingCountry box="[942,1044,1646,1670]" name="United Kingdom" pageId="2" pageNumber="293">Scotland</collectingCountry>
,
<collectorName box="[1057,1194,1647,1670]" pageId="2" pageNumber="293">K.J. Morton</collectorName>
(several dates;
<specimenCount box="[1374,1443,1645,1670]" pageId="2" pageNumber="293" type="female">one ♀</specimenCount>
with &quot;
<taxonomicName authority="Pict." authorityName="Pict." authorityYear="1841" box="[913,1276,1682,1706]" class="Insecta" family="Perlodidae" genus="Dictyopteryx" higherTaxonomySource="GBIF" kingdom="Animalia" order="Plecoptera" pageId="2" pageNumber="293" phylum="Arthropoda" rank="species" species="microcephala">
<emphasis box="[913,1210,1682,1706]" italics="true" pageId="2" pageNumber="293">Dictyopteryx microcephala</emphasis>
Pict.
</taxonomicName>
&quot; in Morton's hand). There are also
<specimenCount box="[1090,1124,1716,1742]" pageId="2" pageNumber="293" type="male">1♂</specimenCount>
,
<specimenCount box="[1137,1171,1716,1742]" pageId="2" pageNumber="293" type="female">1♀</specimenCount>
from &quot;3.v.80
<collectorName pageId="2" pageNumber="293">Gotha Dr. Müller</collectorName>
&quot; mentioned in Klap{lek (1906). Several Scottish specimens are labelled &quot;Cotype&quot;, only
<specimenCount box="[1409,1443,1787,1813]" pageId="2" pageNumber="293" type="female">2♀</specimenCount>
from &quot;Uddington,
<date box="[1074,1193,1824,1848]" pageId="2" pageNumber="293" value="1902-04-13">
<collectingDate box="[1074,1193,1824,1848]" pageId="2" pageNumber="293" value="1902-04-13">13.iv.1902</collectingDate>
</date>
,
<collectorName box="[1214,1380,1824,1848]" pageId="2" pageNumber="293">K. J. Morton</collectorName>
&quot; are labelled &quot;Type&quot;. For lack of time, biometry was not performed and only one of the latter
<specimenCount box="[1255,1393,1895,1919]" pageId="2" pageNumber="293" type="female">two females</specimenCount>
was studied for eggs. Its abdomen is detached and on a card pinned with the fore body, several eggs are in Euparal on a plastic slide pinned with the specimen, plus a few eggs on a glass slide presently in my collection
</materialsCitation>
.
</paragraph>
<caption ID-DOI="http://doi.org/10.5281/zenodo.4758224" ID-Zenodo-Dep="4758224" httpUri="https://zenodo.org/record/4758224/files/figure.png" pageId="3" pageNumber="294" startId="3.[189,226,1539,1563]" targetBox="[342,1301,260,1468]" targetPageId="3">
<paragraph blockId="3.[189,1444,1539,1705]" pageId="3" pageNumber="294">
Fig 5.
<taxonomicName box="[260,408,1539,1563]" class="Insecta" family="Perlodidae" genus="Perlodes" kingdom="Animalia" order="Plecoptera" pageId="3" pageNumber="294" phylum="Arthropoda" rank="species" species="undetermined">
<emphasis box="[260,350,1539,1563]" italics="true" pageId="3" pageNumber="294">Perlodes</emphasis>
spp.
</taxonomicName>
, sclerite platelets on periphery of anchor disc of German
<taxonomicName baseAuthorityName="Pictet" baseAuthorityYear="1833" box="[1079,1261,1539,1563]" class="Insecta" family="Perlodidae" genus="Perlodes" kingdom="Animalia" order="Plecoptera" pageId="3" pageNumber="294" phylum="Arthropoda" rank="species" species="microcephalus">
<emphasis box="[1079,1261,1539,1563]" italics="true" pageId="3" pageNumber="294">P. microcephalus</emphasis>
</taxonomicName>
(River Fulda at Ried),
<taxonomicName baseAuthorityName="Rambur" baseAuthorityYear="1842" box="[265,360,1575,1599]" class="Insecta" family="Perlodidae" genus="Perlodes" kingdom="Animalia" order="Plecoptera" pageId="3" pageNumber="294" phylum="Arthropoda" rank="species" species="dispar">
<emphasis box="[265,360,1575,1599]" italics="true" pageId="3" pageNumber="294">P. dispar</emphasis>
</taxonomicName>
(River Fulda nr Schlitz), and Scottish
<taxonomicName authorityName="Klapalek" authorityYear="1906" box="[797,911,1575,1598]" class="Insecta" family="Perlodidae" genus="Perlodes" kingdom="Animalia" order="Plecoptera" pageId="3" pageNumber="294" phylum="Arthropoda" rank="species" species="mortoni">
<emphasis box="[797,911,1575,1598]" italics="true" pageId="3" pageNumber="294">P. mortoni</emphasis>
</taxonomicName>
.
<emphasis box="[923,978,1575,1599]" italics="true" pageId="3" pageNumber="294">mo-1</emphasis>
to
<emphasis box="[1013,1067,1575,1598]" italics="true" pageId="3" pageNumber="294">mo-7</emphasis>
show individual ♀♀, most from River Tweed,
<emphasis box="[352,407,1610,1634]" italics="true" pageId="3" pageNumber="294">mo-2</emphasis>
from River Dee. There are 5 ♀♀ similar to
<emphasis box="[905,960,1610,1634]" italics="true" pageId="3" pageNumber="294">mo-3</emphasis>
(including one from River Tay), 4 ♀♀ are similar to
<emphasis box="[305,360,1646,1670]" italics="true" pageId="3" pageNumber="294">mo-6</emphasis>
, 5 ♀♀ (rivers Tweed and Dee) are similar to
<emphasis box="[870,925,1646,1670]" italics="true" pageId="3" pageNumber="294">mo-7</emphasis>
. Orientation (centre of anchor disc is towards right hand side) and scale same for all.
</paragraph>
</caption>
<paragraph blockId="3.[835,1443,1788,1919]" lastBlockId="4.[189,798,225,1671]" lastPageId="4" lastPageNumber="295" pageId="3" pageNumber="294">
<emphasis bold="true" box="[835,1103,1788,1812]" pageId="3" pageNumber="294">Additional material.</emphasis>
<materialsCitation ID-GBIF-Occurrence="3111884305" collectingDate="2010-05-01" collectionCode="R" collectorName="D. Pryce" country="United Kingdom" location="Innerleithen" municipality="Tweed" pageId="3" pageNumber="294" specimenCount="40" specimenCount-female="15" specimenCount-male="25">
<collectingCountry box="[1129,1231,1788,1812]" name="United Kingdom" pageId="3" pageNumber="294">Scotland</collectingCountry>
:
<collectionCode box="[1264,1285,1788,1811]" country="Chile" name="Departamento de Geologia, Universidad de Chile" pageId="3" pageNumber="294">R</collectionCode>
.
<collectingMunicipality box="[1315,1395,1788,1812]" pageId="3" pageNumber="294">Tweed</collectingMunicipality>
at
<location LSID="urn:lsid:plazi:treatment:861187FE787AFFE076EC4B27E548F921:0B676033787BFFE775644A69E7D5F89E" box="[835,979,1824,1848]" country="United Kingdom" municipality="Tweed" name="Innerleithen" pageId="3" pageNumber="294">Innerleithen</location>
,
<date box="[995,1092,1824,1848]" pageId="3" pageNumber="294" value="2010-05-01">
<collectingDate box="[995,1092,1824,1848]" pageId="3" pageNumber="294" value="2010-05-01">1.v.2010</collectingDate>
</date>
,
<collectorName box="[1105,1208,1824,1848]" pageId="3" pageNumber="294">D. Pryce</collectorName>
, under stones,
<specimenCount box="[1390,1437,1823,1848]" pageId="3" pageNumber="294" type="male">25♂</specimenCount>
,
<specimenCount box="[835,882,1858,1883]" pageId="3" pageNumber="294" type="female">15♀</specimenCount>
</materialsCitation>
;
<materialsCitation ID-GBIF-Occurrence="3111884306" box="[899,1144,1859,1883]" collectorName="Dunkeld" country="Scotland" location="Perthshire" pageId="3" pageNumber="294" specimenCount="1">
<location LSID="urn:lsid:plazi:treatment:861187FE787AFFE076EC4B27E548F921:0B676033787BFFE775A44A0AE7F9F8FD" box="[899,1023,1859,1883]" country="Scotland" name="Perthshire" pageId="3" pageNumber="294">Perthshire</location>
,
<collectorName box="[1038,1144,1859,1883]" pageId="3" pageNumber="294">Dunkeld</collectorName>
</materialsCitation>
,
<materialsCitation ID-GBIF-Occurrence="3111884314" collectingDate="1990-04" collectionCode="R" collectorName="Andreas Zwick" country="Scotland" location="Tay" pageId="3" pageNumber="294" specimenCount="2" specimenCount-female="1" specimenCount-male="1">
<collectionCode box="[1159,1180,1860,1883]" country="Chile" name="Departamento de Geologia, Universidad de Chile" pageId="3" pageNumber="294">R</collectionCode>
.
<location LSID="urn:lsid:plazi:treatment:861187FE787AFFE076EC4B27E548F921:0B676033787BFFE7728D4A0DE0DEF8FA" box="[1194,1240,1860,1884]" country="Scotland" name="Tay" pageId="3" pageNumber="294">Tay</location>
, late
<date box="[1309,1438,1859,1883]" pageId="3" pageNumber="294" value="1990-04">
<collectingDate box="[1309,1438,1859,1883]" pageId="3" pageNumber="294" value="1990-04">April 1990</collectingDate>
</date>
,
<collectorName box="[835,1015,1895,1919]" pageId="3" pageNumber="294">Andreas Zwick</collectorName>
,
<specimenCount box="[1028,1062,1894,1919]" pageId="3" pageNumber="294" type="male">1♂</specimenCount>
,
<specimenCount box="[1074,1108,1894,1919]" pageId="3" pageNumber="294" type="female">1♀</specimenCount>
</materialsCitation>
;
<materialsCitation ID-GBIF-Occurrence="3111884321" collectingDate="2004-03" collectionCode="R" collectorName="D. Pryce" country="Wales" county="Dee" lastPageId="4" lastPageNumber="295" location="Clwyd" municipality="Pen-y-Lan" pageId="3" pageNumber="294" specimenCount="7" specimenCount-female="3" specimenCount-male="4" stateProvince="Shropshire">
<collectingCountry box="[1121,1196,1895,1919]" name="United Kingdom" pageId="3" pageNumber="294">Wales</collectingCountry>
:
<collectionCode box="[1205,1226,1895,1918]" country="Chile" name="Departamento de Geologia, Universidad de Chile" pageId="3" pageNumber="294">R</collectionCode>
.
<collectingCounty box="[1235,1281,1895,1918]" pageId="3" pageNumber="294">Dee</collectingCounty>
at
<collectingMunicipality box="[1315,1439,1895,1919]" pageId="3" pageNumber="294">Pen-y-Lan</collectingMunicipality>
,
<location LSID="urn:lsid:plazi:treatment:861187FE787AFFE076EC4B27E548F921:0B676033787CFFE0769A4DA8E50DFF5F" box="[189,267,225,249]" country="United Kingdom" county="Dee" municipality="Pen-y-Lan" name="Clwyd" pageId="4" pageNumber="295" stateProvince="Shropshire">Clwyd</location>
/
<collectingRegion box="[276,406,225,249]" country="United Kingdom" name="Shropshire" pageId="4" pageNumber="295">Shropshire</collectingRegion>
border,
<date box="[508,595,225,249]" pageId="4" pageNumber="295" value="2004-03">
<collectingDate box="[508,595,225,249]" pageId="4" pageNumber="295" value="2004-03">iii.2004</collectingDate>
</date>
,
<collectingMethod box="[607,756,225,249]" pageId="4" pageNumber="295">Malaise trap</collectingMethod>
,
<collectorName pageId="4" pageNumber="295">D. Pryce</collectorName>
,
<specimenCount box="[269,302,259,284]" pageId="4" pageNumber="295" type="male">4♂</specimenCount>
,
<specimenCount box="[315,349,259,284]" pageId="4" pageNumber="295" type="female">3♀</specimenCount>
</materialsCitation>
;
</paragraph>
</subSubSection>
<subSubSection pageId="4" pageNumber="295" type="description">
<paragraph blockId="4.[189,798,225,1671]" pageId="4" pageNumber="295">
<emphasis bold="true" box="[189,373,296,320]" pageId="4" pageNumber="295">Brachypterism.</emphasis>
Very similar to
<taxonomicName baseAuthorityName="Rambur" baseAuthorityYear="1842" box="[557,652,296,320]" class="Insecta" family="Perlodidae" genus="Perlodes" kingdom="Animalia" order="Plecoptera" pageId="4" pageNumber="295" phylum="Arthropoda" rank="species" species="dispar">
<emphasis box="[557,652,296,320]" italics="true" pageId="4" pageNumber="295">P. dispar</emphasis>
</taxonomicName>
, male wings between 1.4 and 1.8 times as long as head width, peaking at a RWL of 1.6 (
<figureCitation box="[485,552,367,391]" captionStart="Figs" captionStartId="2.[189,241,1469,1493]" captionTargetBox="[217,1412,719,1396]" captionTargetId="figure-50@2.[220,1410,722,1394]" captionTargetPageId="2" captionText="Figs. 1-4. Perlodes spp., frequency (% of sample) of particular relative wing-lengths (RWL = WL/HCW) in males and females. 1. P. microcephalus. 2. P. microcephalus (?) from Medingen, N. Germany. 3. P. dispar. 4. P. mortoni. Figures in legends are the numbers of specimens measured; compare text for origin of samples." figureDoi="http://doi.org/10.5281/zenodo.4758220" httpUri="https://zenodo.org/record/4758220/files/figure.png" pageId="4" pageNumber="295">Fig. 4</figureCitation>
).
</paragraph>
<paragraph blockId="4.[189,798,225,1671]" pageId="4" pageNumber="295">
<emphasis bold="true" box="[189,352,403,427]" pageId="4" pageNumber="295">Egg structure</emphasis>
(
<figureCitation box="[371,440,403,427]" captionStart="Fig 5" captionStartId="3.[189,226,1539,1563]" captionTargetBox="[342,1301,260,1468]" captionTargetId="figure-50@3.[325,1308,251,1489]" captionTargetPageId="3" captionText="Fig 5. Perlodes spp., sclerite platelets on periphery of anchor disc of German P. microcephalus (River Fulda at Ried), P. dispar (River Fulda nr Schlitz), and Scottish P. mortoni. mo-1 to mo-7 show individual ♀♀, most from River Tweed, mo-2 from River Dee. There are 5 ♀♀ similar to mo-3 (including one from River Tay), 4 ♀♀ are similar to mo-6, 5 ♀♀ (rivers Tweed and Dee) are similar to mo-7. Orientation (centre of anchor disc is towards right hand side) and scale same for all." figureDoi="http://doi.org/10.5281/zenodo.4758224" httpUri="https://zenodo.org/record/4758224/files/figure.png" pageId="4" pageNumber="295">Fig. 5</figureCitation>
). Sclerites on the anchor disc margin differ extremely between specimens taken together, ranging from relatively large plates longer than wide and in one case also with a clockwise twist (
<emphasis box="[198,253,545,569]" italics="true" pageId="4" pageNumber="295">mo-3</emphasis>
) to irregularly shaped sclerites placed at distances from each other along the disc periphery, to a single row of short, transverse sclerites (
<emphasis box="[727,781,617,640]" italics="true" pageId="4" pageNumber="295">mo-5</emphasis>
), and ultimately, numerous small sclerites which on their medial edge may not be clearly separate from very small sclerotized patches (
<emphasis box="[559,682,723,747]" italics="true" pageId="4" pageNumber="295">mo-6, mo-7</emphasis>
).
</paragraph>
<paragraph blockId="4.[189,798,225,1671]" pageId="4" pageNumber="295">
The spectrum of observed character expressions was similar between British rivers, there were more specimens with relatively small than with large sclerites. There are no clear differences from the presumed aberrant population of
<taxonomicName baseAuthorityName="Pictet" baseAuthorityYear="1833" box="[609,797,900,924]" class="Insecta" family="Perlodidae" genus="Perlodes" kingdom="Animalia" order="Plecoptera" pageId="4" pageNumber="295" phylum="Arthropoda" rank="species" species="microcephalus">
<emphasis box="[609,797,900,924]" italics="true" pageId="4" pageNumber="295">P. microcephalus</emphasis>
</taxonomicName>
from Medingen, N.
<collectingCountry box="[423,536,936,960]" name="Germany" pageId="4" pageNumber="295">Germany</collectingCountry>
.
</paragraph>
<paragraph blockId="4.[189,798,225,1671]" pageId="4" pageNumber="295">
Unlike in
<taxonomicName baseAuthorityName="Rambur" baseAuthorityYear="1842" box="[360,465,971,995]" class="Insecta" family="Perlodidae" genus="Perlodes" kingdom="Animalia" order="Plecoptera" pageId="4" pageNumber="295" phylum="Arthropoda" rank="species" species="dispar">
<emphasis box="[360,465,971,995]" italics="true" pageId="4" pageNumber="295">P. dispar</emphasis>
</taxonomicName>
, brown pigmentation and sclerotization of structures along the anchor disc margin were always expressed.
</paragraph>
</subSubSection>
<subSubSection pageId="4" pageNumber="295" type="discussion">
<paragraph blockId="4.[189,798,225,1671]" pageId="4" pageNumber="295">
<emphasis bold="true" box="[189,267,1078,1102]" pageId="4" pageNumber="295">Notes.</emphasis>
<bibRefCitation author="Illies, J." box="[272,406,1078,1102]" editor="Dahl, F." firstAuthor="Illies" journalOrPublisher="Die Tierwelt Deutschlands und der angrenzenden Meeresteile" pageId="4" pageNumber="295" pagination="1 - 150" part="43" refId="ref2942" refString="Illies, J. 1955. Steinfliegen oder Plecoptera. In: Dahl, F. (ed.) 1955. Die Tierwelt Deutschlands und der angrenzenden Meeresteile 43: I-IV; 1 - 150." title="Steinfliegen oder Plecoptera" type="book chapter" year="1955">Illies (1955)</bibRefCitation>
formally synonymized
<taxonomicName authorityName="Klapalek" authorityYear="1906" box="[683,797,1079,1102]" class="Insecta" family="Perlodidae" genus="Perlodes" kingdom="Animalia" order="Plecoptera" pageId="4" pageNumber="295" phylum="Arthropoda" rank="species" species="mortoni">
<emphasis box="[683,797,1079,1102]" italics="true" pageId="4" pageNumber="295">P. mortoni</emphasis>
</taxonomicName>
with
<emphasis box="[249,438,1114,1138]" italics="true" pageId="4" pageNumber="295">
<taxonomicName baseAuthorityName="Pictet" baseAuthorityYear="1833" box="[249,431,1114,1138]" class="Insecta" family="Perlodidae" genus="Perlodes" kingdom="Animalia" order="Plecoptera" pageId="4" pageNumber="295" phylum="Arthropoda" rank="species" species="microcephalus">P. microcephalus</taxonomicName>
.
</emphasis>
Evidence for this decision was not mentioned. Historical specimen labels reveal that K. J. Morton had felt the same. Other students also agreed that the single British - Irish
<taxonomicName box="[599,689,1220,1244]" class="Insecta" family="Perlodidae" genus="Perlodes" kingdom="Animalia" order="Plecoptera" pageId="4" pageNumber="295" phylum="Arthropoda" rank="genus">
<emphasis box="[599,689,1220,1244]" italics="true" pageId="4" pageNumber="295">Perlodes</emphasis>
</taxonomicName>
is indeed
<taxonomicName baseAuthorityName="Pictet" baseAuthorityYear="1833" box="[189,380,1256,1280]" class="Insecta" family="Perlodidae" genus="Perlodes" kingdom="Animalia" order="Plecoptera" pageId="4" pageNumber="295" phylum="Arthropoda" rank="species" species="microcephalus">
<emphasis box="[189,380,1256,1280]" italics="true" pageId="4" pageNumber="295">P. microcephalus</emphasis>
</taxonomicName>
(for example,
<bibRefCitation author="Hynes, H. B. N." box="[572,718,1256,1280]" firstAuthor="Hynes" journalOrPublisher="Scientific Publications - Freshwater Biological Association" pageId="4" pageNumber="295" pagination="1 - 91" part="17" refId="ref2843" refString="Hynes, H. B. N. 1967. A key tot he adults and nymphs oft he British stoneflies (Plecoptera) with notes on their ecology and distribution. Scientific Publications - Freshwater Biological Association, 2 nd extended ed., 17: 1 - 91" title="A key tot he adults and nymphs oft he British stoneflies (Plecoptera) with notes on their ecology and distribution" type="journal article" year="1967">Hynes 1967</bibRefCitation>
,
<bibRefCitation author="Hynes, H. B. N." bookContentInfo="92 pp." box="[736,790,1256,1280]" firstAuthor="Hynes" journalOrPublisher="Scientific Publications - Freshwater Biological Association" pageId="4" pageNumber="295" part="17" refId="ref2893" refString="Hynes, H. B. N. 1977. A key to the adults and nymphs of the British stoneflies (Plecoptera) with notes on their ecology and distribution. Scientific Publications - Freshwater Biological Association, 3 rd ed., 17: 92 pp." title="A key to the adults and nymphs of the British stoneflies (Plecoptera) with notes on their ecology and distribution" type="book" year="1977">1977</bibRefCitation>
,
<bibRefCitation author="Costello, M. J." box="[189,373,1291,1316]" firstAuthor="Costello" journalOrPublisher="Proceedings of the Royal Irish Academy" pageId="4" pageNumber="295" pagination="1 - 22" part="88 B" refId="ref2677" refString="Costello, M. J. 1988 a. A review of the distribution of stoneflies (Insecta, Plecoptera) in Ireland. Proceedings of the Royal Irish Academy, 88 B (1): 1 - 22." title="A review of the distribution of stoneflies (Insecta, Plecoptera) in Ireland" type="journal article" year="1988" yearSuffix="a">Costello 1988a</bibRefCitation>
,
<bibRefCitation author="Elliott" box="[393,539,1291,1316]" firstAuthor="Elliott" pageId="4" pageNumber="295" pagination="115 - 123" refId="ref2755" refString="Elliott, J. M. 1992. The effect of temperature on egg hatching for three populations of Perlodes microcephala (PICTET) and three populations of Diura bicaudata (LINNAEUS) (Plecoptera: Perlodidae). Entomologists' Gazette, 43: 115 - 123." type="journal article" year="1992">Elliott 1992</bibRefCitation>
,
<bibRefCitation author="Ashe, O'Connor &amp; Murray" firstAuthor="Ashe" pageId="4" pageNumber="295" refId="ref2493" refString="Ashe, P., J. P. O'Connor, &amp; D. A. Murray. 1998. A Checklist of Irish Aquatic Insects. Occasional Publications of the Irish biogeographical Society, 3, 80 pp." type="book" year="1998">Ashe, O'Connor &amp; Murray 1998</bibRefCitation>
). Short-wingedness of the Irish
<taxonomicName box="[189,313,1362,1386]" class="Insecta" kingdom="Animalia" order="Plecoptera" pageId="4" pageNumber="295" phylum="Arthropoda" rank="order">Plecoptera</taxonomicName>
received special attention but no male
<taxonomicName authorityName="Klapalek" authorityYear="1906" class="Insecta" family="Perlodidae" genus="Perlodes" kingdom="Animalia" order="Plecoptera" pageId="4" pageNumber="295" phylum="Arthropoda" rank="species" species="mortoni">
<emphasis italics="true" pageId="4" pageNumber="295">P. mortoni</emphasis>
</taxonomicName>
was available (
<bibRefCitation author="Costello" box="[454,632,1398,1422]" firstAuthor="Costello" pageId="4" pageNumber="295" pagination="474 - 478" refId="ref2718" refString="Costello, M. J. 1988 b. Preliminary observations on wing-length polymorphism in stoneflies (Plecoptera: Insecta) in Ireland. Irish Naturalists' Journal, 22 (11): 474 - 478." type="journal article" year="1988" yearSuffix="b">Costello 1988b</bibRefCitation>
).
</paragraph>
<paragraph blockId="4.[189,798,225,1671]" pageId="4" pageNumber="295">
I abstain from the originally intended
<typeStatus box="[189,306,1469,1493]" pageId="4" pageNumber="295">lectotype</typeStatus>
designation because: 1, not all of the evident
<typeStatus box="[290,402,1505,1529]" pageId="4" pageNumber="295">syntypes</typeStatus>
could be adequately studied; 2, fresh material shows that egg anchor sclerites vary too much for any single specimen to represent a reference specimen characteristic of the species.
</paragraph>
</subSubSection>
</treatment>
</document>
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