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<document id="897E769AD278B3272C48C32C17EF506B" ID-DOI="10.11646/zootaxa.5519.1.1" ID-ISSN="1175-5326" ID-Zenodo-Dep="13915454" ID-ZooBank="27BE71C1-D41A-4A1E-BED3-781B406BE990" IM.bibliography_approvedBy="felipe" IM.illustrations_approvedBy="felipe" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" IM.treatmentCitations_approvedBy="felipe" IM.treatments_approvedBy="felipe" checkinTime="1728583907602" checkinUser="plazi" docAuthor="Barraclough, David A. &amp; Colville, Jonathan F." docDate="2024" docId="03F6879B7847F633FF79FD821D263AFC" docLanguage="en" docName="zootaxa.5519.1.1.pdf" docOrigin="Zootaxa 5519 (1)" docSource="http://dx.doi.org/10.11646/zootaxa.5519.1.1" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Moegistorhynchus strillii Barraclough &amp; Colville 2024, sp. nov." docType="treatment" docVersion="2" lastPageNumber="26" masterDocId="FFCFFFE37850F629FFEEFFC41C533A05" masterDocTitle="Revision of the endemic South African genus Moegistorhynchus Macquart (Diptera: Nemestrinidae), with a species key, description of three new species and comments on pollination biology and biogeography" masterLastPageNumber="37" masterPageNumber="1" pageNumber="24" updateTime="1728585062661" updateUser="ExternalLinkService" zenodo-license-document="CLOSED">
<mods:mods id="DF09CFAC392D4F15B846761F3E8EFBC3" xmlns:mods="http://www.loc.gov/mods/v3">
<mods:titleInfo id="5115BCA1783016578E71E9DFA65F8A8F">
<mods:title id="074554F37CFAF61AC686E9529338EFCD">Revision of the endemic South African genus Moegistorhynchus Macquart (Diptera: Nemestrinidae), with a species key, description of three new species and comments on pollination biology and biogeography</mods:title>
</mods:titleInfo>
<mods:name id="C3B0C3AA225720A77E0A2FF9F213FB45" type="personal">
<mods:role id="BA1F88DB2E347912E3547525549FB0BD">
<mods:roleTerm id="17BF0937F4073EA76048BD531054717E">Author</mods:roleTerm>
</mods:role>
<mods:namePart id="255EA80FF7B28A0C0F113BB46A1660CD">Barraclough, David A.</mods:namePart>
<mods:affiliation id="5097FD9CB91BA57BE94D774807C0175F">School of Life Sciences, University of KwaZulu-Natal, P. Bag X 54001, Durban 4000, South Africa; Department of Natural Science, KwaZulu-Natal Museum, 237 Jabu Ndlovu Street, Pietermaritzburg 3201, South Africa; and Entomology Department, Iziko South African Museum, P. O. Box 61, Cape Town 8000, South Africa</mods:affiliation>
</mods:name>
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<mods:role id="1D55DE768335874CE4B2FABA8A5A1985">
<mods:roleTerm id="B263AE8E60B533EFFCB5C837B95D96FC">Author</mods:roleTerm>
</mods:role>
<mods:namePart id="88B55A33DC5088F1793A5C699964EEC1">Colville, Jonathan F.</mods:namePart>
<mods:affiliation id="B106AA6A75CFF1A7DAD272A32672DCF2">Statistics in Ecology, Environment and Conservation, Department of Statistical Sciences, University of Cape Town, Rondebosch 7701, South Africa</mods:affiliation>
</mods:name>
<mods:typeOfResource id="7ABD69B2F7CF2DC4F8A4EC9C0BF74544">text</mods:typeOfResource>
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<mods:title id="2BA14834915FCE64625D764C1319E2A8">Zootaxa</mods:title>
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<mods:part id="F4DED7DB3695F18C51F6D8A9084BC128">
<mods:date id="7B8836B223CBE541AB9FFAD3FD5177E3">2024</mods:date>
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<mods:number id="0D20B30AC6F1A44BFF2C76D2F1BF2C35">2024-10-07</mods:number>
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<mods:detail id="DDBFBCFBE1E6493210AE24D296259F18" type="volume">
<mods:number id="3B0F1098EC6FBA7761FF9C82697A2A8C">5519</mods:number>
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<mods:url id="5B630F94E45FFAD3B7B2881E7B76D510">http://dx.doi.org/10.11646/zootaxa.5519.1.1</mods:url>
</mods:location>
<mods:classification id="11C0B49E8D4B9C49DFFD714FA36D9C01">journal article</mods:classification>
<mods:identifier id="EB880FBFEBD821741B3E98320076D88F" type="DOI">10.11646/zootaxa.5519.1.1</mods:identifier>
<mods:identifier id="C64105309342A7A138E40579913B9C1F" type="ISSN">1175-5326</mods:identifier>
<mods:identifier id="5E1711E084D7E8870C238053C98F5B3D" type="Zenodo-Dep">13915454</mods:identifier>
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</mods:mods>
<treatment id="03F6879B7847F633FF79FD821D263AFC" LSID="urn:lsid:plazi:treatment:03F6879B7847F633FF79FD821D263AFC" httpUri="http://treatment.plazi.org/id/03F6879B7847F633FF79FD821D263AFC" lastPageId="26" lastPageNumber="26" pageId="23" pageNumber="24">
<subSubSection id="C34565067847F63EFF79FD821F0A3864" box="[151,857,582,609]" pageId="23" pageNumber="24" type="nomenclature">
<paragraph id="8BE0368D7847F63EFF79FD821F0A3864" blockId="23.[151,857,582,645]" box="[151,857,582,609]" pageId="23" pageNumber="24">
<heading id="D0A881E17847F63EFF79FD821F0A3864" bold="true" box="[151,857,582,609]" fontSize="11" level="1" pageId="23" pageNumber="24" reason="1">
<emphasis id="B92BEA9F7847F63EFF79FD821F0A3864" bold="true" box="[151,857,582,609]" pageId="23" pageNumber="24">
<taxonomicName id="4C5F4D0E7847F63EFF79FD821EA73865" authority="Barraclough &amp; Colville" authorityName="Barraclough &amp; Colville" authorityYear="2024" box="[151,756,582,609]" class="Insecta" family="Nemestrinidae" genus="Moegistorhynchus" kingdom="Animalia" order="Diptera" pageId="23" pageNumber="24" phylum="Arthropoda" rank="species" species="strillii" status="sp. nov.">
<emphasis id="B92BEA9F7847F63EFF79FD821D943864" bold="true" box="[151,455,582,609]" italics="true" pageId="23" pageNumber="24">Moegistorhynchus strillii</emphasis>
Barraclough &amp; Colville
</taxonomicName>
<taxonomicNameLabel id="A21857E47847F63EFD15FD831F0A3864" box="[763,857,583,609]" pageId="23" pageNumber="24" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
</heading>
</paragraph>
</subSubSection>
<subSubSection id="C34565067847F63EFF79FDAF1D333880" box="[151,352,619,645]" pageId="23" pageNumber="24" type="description">
<paragraph id="8BE0368D7847F63EFF79FDAF1D333880" blockId="23.[151,857,582,645]" box="[151,352,619,645]" pageId="23" pageNumber="24">
(
<figureCitation id="13642A087847F63EFF71FDAF1D7C3880" box="[159,303,619,645]" captionStart="FIGURE 7" captionStartId="24.[151,250,1733,1757]" captionTargetBox="[189,1398,813,1709]" captionTargetId="figure-291@24.[189,1398,813,1709]" captionTargetPageId="24" captionText="FIGURE 7 (7.1–7.4). Moegistorhynchus strillii sp. nov. (male holotype). 1. Whole body, lateral view. 2. Label data. 3–4. Head. 3. Frontal view. 4. Oblique lateral view, showing detail of antennae." figureDoi="http://doi.org/10.5281/zenodo.13915480" httpUri="https://zenodo.org/record/13915480/files/figure.png" pageId="23" pageNumber="24">Figs 7.1–7.9</figureCitation>
,
<figureCitation id="13642A087847F63EFED4FDAF1D043880" box="[314,343,619,645]" captionStart="FIGURE 12" captionStartId="31.[151,250,1634,1658]" captionTargetBox="[227,1361,705,1611]" captionTargetId="figure-274@31.[227,1361,705,1611]" captionTargetPageId="31" captionText="FIGURE 12. Distribution of the seven species of Moegistorhynchus across the coastal and montane areas of the Fynbos and Succulent Karoo Biomes (includes confirmed iNaturalist records to February 2024)." figureDoi="http://doi.org/10.5281/zenodo.13915498" httpUri="https://zenodo.org/record/13915498/files/figure.png" pageId="23" pageNumber="24">12</figureCitation>
)
</paragraph>
</subSubSection>
<subSubSection id="C34565067847F63EFF79FD7719613984" pageId="23" pageNumber="24" type="materials_examined">
<paragraph id="8BE0368D7847F63EFF79FD77183338C8" blockId="23.[151,1437,690,2013]" box="[151,1120,690,717]" pageId="23" pageNumber="24">
<materialsCitation id="3B373CD07847F63EFF79FD77180F38C8" box="[151,1116,690,717]" location="Tulbagh" municipality="Groot Winterhoek mountains" pageId="23" pageNumber="24" specimenCount="1" stateProvince="Western Cape" typeStatus="holotype">
<emphasis id="B92BEA9F7847F63EFF79FD771D6538C9" bold="true" box="[151,310,690,717]" pageId="23" pageNumber="24">
<typeStatus id="54E4882F7847F63EFF79FD771C8138C8" box="[151,210,691,717]" pageId="23" pageNumber="24">Type</typeStatus>
locality.
</emphasis>
<collectingMunicipality id="6B84ACF77847F63EFED2FD771ED038C8" box="[316,643,691,717]" pageId="23" pageNumber="24">Groot Winterhoek mountains</collectingMunicipality>
north of
<location id="8E8060567847F63EFD04FD771F1A38C8" LSID="urn:lsid:plazi:treatment:03F6879B7847F633FF79FD821D263AFC:8E8060567847F63EFD04FD771F1A38C8" box="[746,841,691,717]" municipality="Groot Winterhoek mountains" name="Tulbagh" pageId="23" pageNumber="24" stateProvince="Western Cape">Tulbagh</location>
,
<collectingRegion id="499BF86F7847F63EFCBAFD77180F38C8" box="[852,1116,691,717]" country="South Africa" name="Western Cape" pageId="23" pageNumber="24">Western Cape province</collectingRegion>
</materialsCitation>
.
</paragraph>
<paragraph id="8BE0368D7847F63EFF29FD1319613984" blockId="23.[151,1437,690,2013]" pageId="23" pageNumber="24">
<emphasis id="B92BEA9F7847F63EFF29FD131D3E38F5" bold="true" box="[199,365,726,753]" pageId="23" pageNumber="24">Type material</emphasis>
(
<materialsCitation id="3B373CD07847F63EFE92FD1319613984" collectingDate="1916-11" collectionCode="SAMC" collectorName="Gt. Wint-hoek &amp; F. W. Gess. &amp; A. J. Hesse" country="South Africa" elevation="1372" location="Tulbagh" pageId="23" pageNumber="24" specimenCount="2" specimenCount-male="2" stateProvince="Western Cape" typeStatus="holotype">
in
<collectionCode id="ED4EAE487847F63EFE74FD131DBC38F4" box="[410,495,727,753]" country="South Africa" httpUri="http://grbio.org/cool/94p5-pepz" name="Iziko Museums of Cape Town" pageId="23" pageNumber="24" type="Museum">SAMC</collectionCode>
):
<collectingCountry id="F348761D7847F63EFDEFFD131EC738F4" box="[513,660,727,753]" name="South Africa" pageId="23" pageNumber="24">South Africa</collectingCountry>
:
<collectingRegion id="499BF86F7847F63EFD73FD131F6E38F4" box="[669,829,727,753]" country="South Africa" name="Western Cape" pageId="23" pageNumber="24">Western Cape</collectingRegion>
:
<typeStatus id="54E4882F7847F63EFCA9FD131F8C38F4" box="[839,991,727,753]" pageId="23" pageNumber="24" type="holotype">HOLOTYPE</typeStatus>
:
<specimenCount id="9D59FD047847F63EFC07FD13185238F4" box="[1001,1025,727,753]" count="1" pageId="23" pageNumber="24" type="male">♂</specimenCount>
: “
<collectorName id="26AA535B7847F63EFBF9FD1318EA38F4" box="[1047,1209,727,753]" pageId="23" pageNumber="24">Gt. Wint-hoek</collectorName>
/
<location id="8E8060567847F63EFB23FD13197A38F4" LSID="urn:lsid:plazi:treatment:03F6879B7847F633FF79FD821D263AFC:8E8060567847F63EFB23FD13197A38F4" box="[1229,1321,727,753]" country="South Africa" name="Tulbagh" pageId="23" pageNumber="24" stateProvince="Western Cape">Tulbagh</location>
/
<quantity id="4CA79B687847F63EFAD0FD1219CE38F4" box="[1342,1437,726,753]" metricMagnitude="3" metricUnit="m" metricValue="1.3716" pageId="23" pageNumber="24" unit="ft" value="4500.0">
<elevation id="0072D1BE7847F63EFAD0FD1219CE38F4" box="[1342,1437,726,753]" metricMagnitude="3" metricUnit="m" metricValue="1.3716" pageId="23" pageNumber="24" unit="ft" value="4500.0">4,500 ft.</elevation>
</quantity>
/ [on reverse side of label]
<date id="FFE1104D7847F63EFE2FFD3F1E663910" box="[449,565,763,789]" pageId="23" pageNumber="24" value="1916-11">
<collectingDate id="EFA5E9A57847F63EFE2FFD3F1E663910" box="[449,565,763,789]" pageId="23" pageNumber="24" value="1916-11">Nov. 1916</collectingDate>
</date>
/ Lightfoot”; “Megistorhynchus / brevirostris /
<specimenCount id="9D59FD047847F63EFBA9FD3F180F3910" box="[1095,1116,763,789]" count="1" pageId="23" pageNumber="24" type="male">♂</specimenCount>
Wied.”; “
<taxonomicName id="4C5F4D0E7847F63EFB27FD3F19CF3910" box="[1225,1436,763,789]" class="Insecta" family="Nemestrinidae" genus="Moegistorhynchus" kingdom="Animalia" order="Diptera" pageId="23" pageNumber="24" phylum="Arthropoda" rank="genus">Moegistorhynchus</taxonomicName>
/ sp. Not brevi- / rostris (Wied) / [on reverse of label] det /
<collectorName id="26AA535B7847F63EFCA2FCDB1F99393C" box="[844,970,799,825]" pageId="23" pageNumber="24">F.W. Gess.</collectorName>
”; “This is probably not /
<taxonomicName id="4C5F4D0E7847F63EFB1DFCDB1C803958" authority="Wied" authorityName="Wied" class="Insecta" family="Nemestrinidae" genus="Moegistorhynchus" kingdom="Animalia" order="Diptera" pageId="23" pageNumber="24" phylum="Arthropoda" rank="species" species="brevirostris">M. brevirostris Wied</taxonomicName>
/ s.str., but separate / species.
<taxonomicName id="4C5F4D0E7847F63EFDCDFC871E9A3958" box="[547,713,835,861]" class="Insecta" family="Nemestrinidae" genus="Moegistorhynchus" kingdom="Animalia" order="Diptera" pageId="23" pageNumber="24" phylum="Arthropoda" rank="species" species="brevirostris">M. brevirostris</taxonomicName>
/ probably another atypical / var. of longirostris / with very short proboscis /
<collectorName id="26AA535B7847F63EFEF9FCA31DC03984" box="[279,403,871,897]" pageId="23" pageNumber="24">A.J. Hesse</collectorName>
”. The
<typeStatus id="54E4882F7847F63EFE34FCA31E6F3984" box="[474,572,871,897]" pageId="23" pageNumber="24" type="holotype">holotype</typeStatus>
is in fairly good condition, although the right wing apex is tattered.
</materialsCitation>
</paragraph>
</subSubSection>
<subSubSection id="C34565067847F63EFF29FC4F1CA339E8" pageId="23" pageNumber="24" type="etymology">
<paragraph id="8BE0368D7847F63EFF29FC4F1CA339E8" blockId="23.[151,1437,690,2013]" pageId="23" pageNumber="24">
<emphasis id="B92BEA9F7847F63EFF29FC4F1D1B39A0" bold="true" box="[199,328,907,933]" pageId="23" pageNumber="24">Etymology</emphasis>
. The species name
<taxonomicName id="4C5F4D0E7847F63EFDDAFC4F1E2B39A0" authorityName="Barraclough &amp; Colville" authorityYear="2024" box="[564,632,907,933]" class="Insecta" family="Nemestrinidae" genus="Moegistorhynchus" kingdom="Animalia" order="Diptera" pageId="23" pageNumber="24" phylum="Arthropoda" rank="species" species="strillii">
<emphasis id="B92BEA9F7847F63EFDDAFC4F1E2B39A0" box="[564,632,907,933]" italics="true" pageId="23" pageNumber="24">strillii</emphasis>
</taxonomicName>
refers to Mrs Strilli Oppenheimer and honours the financial support offered by the Oppenheimer family which made possible the publication of this paper and the description of this species.
</paragraph>
</subSubSection>
<subSubSection id="C34565067847F63EFF29FC3218713EA4" pageId="23" pageNumber="24" type="diagnosis">
<paragraph id="8BE0368D7847F63EFF29FC3218713EA4" blockId="23.[151,1437,690,2013]" pageId="23" pageNumber="24">
<emphasis id="B92BEA9F7847F63EFF29FC321D693E15" bold="true" box="[199,314,1014,1040]" pageId="23" pageNumber="24">Diagnosis</emphasis>
. Style with two basal segments. Proboscis short, slightly longer than body length. Postalar callus smooth over entire surface. Wing with clear-cut transparent or hyaline markings, such areas never an opaque creamy white;
<emphasis id="B92BEA9F7847F63EFF0BFBFB1D443E5C" box="[229,279,1087,1113]" italics="true" pageId="23" pageNumber="24">CuP</emphasis>
with single complete crossvein reaching to hind margin. Ground colour of abdominal dorsum medium brown. Second abdominal tergite almost entirely densely silver pruinescent across its width; pile on T3 and T4 elongate, reaching length of T4 lateral margin, and present over much of surface.
</paragraph>
</subSubSection>
<subSubSection id="C34565067847F631FF29FB6E18103DB3" lastPageId="24" lastPageNumber="25" pageId="23" pageNumber="24" type="description">
<paragraph id="8BE0368D7847F631FF29FB6E1CAA3910" blockId="23.[151,1437,690,2013]" lastBlockId="24.[151,1437,151,789]" lastPageId="24" lastPageNumber="25" pageId="23" pageNumber="24">
<emphasis id="B92BEA9F7847F63EFF29FB6E1D0A3EC1" bold="true" box="[199,345,1194,1220]" pageId="23" pageNumber="24">Description.</emphasis>
Body length
<quantity id="4CA79B687847F63EFE1DFB6F1E0B3EC0" box="[499,600,1195,1221]" metricMagnitude="-3" metricUnit="m" metricValue="9.34" pageId="23" pageNumber="24" unit="mm" value="9.34">9.34 mm</quantity>
(
<figureCitation id="13642A087847F63EFD89FB6F1E903EC0" box="[615,707,1195,1221]" captionStart="FIGURE 7" captionStartId="24.[151,250,1733,1757]" captionTargetBox="[189,1398,813,1709]" captionTargetId="figure-291@24.[189,1398,813,1709]" captionTargetPageId="24" captionText="FIGURE 7 (7.1–7.4). Moegistorhynchus strillii sp. nov. (male holotype). 1. Whole body, lateral view. 2. Label data. 3–4. Head. 3. Frontal view. 4. Oblique lateral view, showing detail of antennae." figureDoi="http://doi.org/10.5281/zenodo.13915480" httpUri="https://zenodo.org/record/13915480/files/figure.png" pageId="23" pageNumber="24">Fig. 7.1</figureCitation>
); wing length
<quantity id="4CA79B687847F63EFC88FB6E1F883EC0" box="[870,987,1194,1221]" metricMagnitude="-2" metricUnit="m" metricValue="1.151" pageId="23" pageNumber="24" unit="mm" value="11.51">11.51 mm</quantity>
; proboscis length
<quantity id="4CA79B687847F63EFB46FB6F19433EC0" box="[1192,1296,1195,1221]" metricMagnitude="-3" metricUnit="m" metricValue="8.87" pageId="23" pageNumber="24" unit="mm" value="8.87">8.87 mm</quantity>
.
<emphasis id="B92BEA9F7847F63EFAF5FB6F19083EC0" bold="true" box="[1307,1371,1195,1221]" pageId="23" pageNumber="24">Head</emphasis>
(
<figureCitation id="13642A087847F63EFA84FB6F1CA23EEC" captionStart="FIGURE 7" captionStartId="24.[151,250,1733,1757]" captionTargetBox="[189,1398,813,1709]" captionTargetId="figure-291@24.[189,1398,813,1709]" captionTargetPageId="24" captionText="FIGURE 7 (7.1–7.4). Moegistorhynchus strillii sp. nov. (male holotype). 1. Whole body, lateral view. 2. Label data. 3–4. Head. 3. Frontal view. 4. Oblique lateral view, showing detail of antennae." figureDoi="http://doi.org/10.5281/zenodo.13915480" httpUri="https://zenodo.org/record/13915480/files/figure.png" pageId="23" pageNumber="24">Figs 7.3–7.4</figureCitation>
): colouring medium to dark brown, except scape and pedicel mostly yellow. Postpedicel mostly dark brown, but with hint of orange ground colouring on inner basal surface. Male with anterior ocellus and posterior ocelli separated by deep transverse groove; anterior and posterior ocelli all about equidistant apart and therefore forming the three corners of an equilateral triangle. Frons with elongate pile, a mixture of creamy and black pile (but mostly pale); pile largely absent medially, here only present anteriorly where it is recumbent. Style of flagellum with two short basal segments, with second segment reaching 1.5 x length of first segment. Proboscis short, length only slightly longer than body length.
<emphasis id="B92BEA9F7847F63EFE58FA631E5C3FC4" bold="true" box="[438,527,1447,1473]" pageId="23" pageNumber="24">Thorax</emphasis>
(
<figureCitation id="13642A087847F63EFDCEFA631EE03FC4" box="[544,691,1446,1473]" captionStart="FIGURE 7" captionStartId="24.[151,250,1733,1757]" captionTargetBox="[189,1398,813,1709]" captionTargetId="figure-291@24.[189,1398,813,1709]" captionTargetPageId="24" captionText="FIGURE 7 (7.1–7.4). Moegistorhynchus strillii sp. nov. (male holotype). 1. Whole body, lateral view. 2. Label data. 3–4. Head. 3. Frontal view. 4. Oblique lateral view, showing detail of antennae." figureDoi="http://doi.org/10.5281/zenodo.13915480" httpUri="https://zenodo.org/record/13915480/files/figure.png" pageId="23" pageNumber="24">Figs 7.5–7.6</figureCitation>
): scutum medium to very dark brown, although yellow-brown on postalar calli and adjacent to wing insertion and on disc of scutellum, and also irregularly paler posteriorly beneath silver pruinescence just anterior to scuto-scutellar suture. Paired median silver pruinescent vittae (pruinescence somewhat faint) extend uninterrupted from anterior margin to scuto-scutellar suture. Scutellum densely silver pruinescent anterolaterally and less so along posterior margin just posterior to disc. Pile on scutum a mixture of yellow (predominant) and black, short but profuse; largely sparse to absent on posterior half (although present here on postalar calli and disc of scutellum and otherwise as sparse elongate dark hairs). Postalar callus smooth over entire surface.
<emphasis id="B92BEA9F7847F63EFE99F9671DFC3CB8" bold="true" box="[375,431,1699,1725]" pageId="23" pageNumber="24">Legs</emphasis>
: almost entirely yellow. Fore femur with elongate backwardly directed pale pile which is intermixed with a few black hairs, this pile sometimes reaching almost half femur length. Mid and hind femora with sparse ventral pile (a mixture of dark and pale) along entire length of mid femur and along basal two-thirds of hind femur.
<emphasis id="B92BEA9F7847F63EFF06F8CA1D7A3D2D" bold="true" box="[232,297,1806,1832]" pageId="23" pageNumber="24">Wing</emphasis>
(
<figureCitation id="13642A087847F63EFED4F8CB1DCB3D2C" box="[314,408,1807,1833]" captionStart="FIGURE 7" captionStartId="24.[151,250,1733,1757]" captionTargetBox="[189,1398,813,1709]" captionTargetId="figure-291@24.[189,1398,813,1709]" captionTargetPageId="24" captionText="FIGURE 7 (7.1–7.4). Moegistorhynchus strillii sp. nov. (male holotype). 1. Whole body, lateral view. 2. Label data. 3–4. Head. 3. Frontal view. 4. Oblique lateral view, showing detail of antennae." figureDoi="http://doi.org/10.5281/zenodo.13915480" httpUri="https://zenodo.org/record/13915480/files/figure.png" pageId="23" pageNumber="24">Fig. 7.7</figureCitation>
): very slender, length at least 3.5 x maximum width. Infuscation an indistinct pale brown. Patterning therefore rather irregular and distributed over much of wing, as in figure; hyaline areas not strikingly distinguished or delineated and merge into smoky brown colouring.
<emphasis id="B92BEA9F7847F63EFC78F8931F9B3D74" box="[918,968,1879,1905]" italics="true" pageId="23" pageNumber="24">CuP</emphasis>
with complete crossvein extending entire distance to wing margin (with hint of mid-length appendix on one wing).
<emphasis id="B92BEA9F7847F63EFC10F8BE18203D91" bold="true" box="[1022,1139,1914,1940]" pageId="23" pageNumber="24">Abdomen</emphasis>
(
<figureCitation id="13642A087847F63EFB68F8BF194F3D90" box="[1158,1308,1915,1941]" captionStart="FIGURE 7" captionStartId="24.[151,250,1733,1757]" captionTargetBox="[189,1398,813,1709]" captionTargetId="figure-291@24.[189,1398,813,1709]" captionTargetPageId="24" captionText="FIGURE 7 (7.1–7.4). Moegistorhynchus strillii sp. nov. (male holotype). 1. Whole body, lateral view. 2. Label data. 3–4. Head. 3. Frontal view. 4. Oblique lateral view, showing detail of antennae." figureDoi="http://doi.org/10.5281/zenodo.13915480" httpUri="https://zenodo.org/record/13915480/files/figure.png" pageId="23" pageNumber="24">Figs 7.8–7.9</figureCitation>
): relatively compact and slender, width slightly broader than maximum width of thorax. Ground colour medium brown, but may be partly yellow on several sternites. T1 entirely brown and silver pruinescence completely lacking; pile dense and short, mostly yellow to cream or white. T2 densely silver pruinescent across entire width (except posteromedially, although this may be membrane); pile largely absent. T3 largely medium brown, but with striking paired medial silver pruinescent markings (elongate-ovoid and transversely positioned) on anterior half and silver pruinescent on lateral margins; silver pruinescent along most of posterior margin; pile profuse and very elongate, this pale anteriorly but with more dark pile posteriorly, pile longest anteriorly, length almost reaching length of T3 lateral margins, largely absent over silver pruinescent elongate-ovoid areas. T4 similarly coloured and patterned, but silver pruinescent posterior margin more extensive, with this pruinescence merging broadly with lateral margins; pile typically sparse anteriorly, but then more profuse laterally and posteriorly, this dark in colour, longest hairs reaching length of T4 lateral margin. T5 even more extensively silver pruinescent, with small brown area medially and submedially (the latter very small); pile dense and elongate, laterally only, length here the same as on T4. T6 was part of the dissection of the male postabdomen and cannot be described. Sternites yellow-brown to medium brown with silver pruinescence; pile notably elongate and white on S3.
<emphasis id="B92BEA9F7848F631FC8DFDE718153838" bold="true" box="[867,1094,547,573]" pageId="24" pageNumber="25">Male postabdomen</emphasis>
: epandrium moderately robust in dorsal view, maximum width somewhat broader than length with small apical notch above cerci, apicolateral extremities very broadly rounded in lateral view, somewhat flattened apically. Gonostylus with no obvious vestiture along inner medial margin, apical region narrowed and very slightly inwardly curved, sharply pointed at extreme apex. Inner gonocoxal process not sharply pointed apically, here rather broadly rounded, narrowed at mid-length. Phallus apex coincident with gonostylus apices in ventral view, bluntly tapered apically, without dentate subapical margins.
</paragraph>
<caption id="DF2066057848F631FF79F9011F143D04" ID-DOI="http://doi.org/10.5281/zenodo.13915480" ID-Zenodo-Dep="13915480" httpUri="https://zenodo.org/record/13915480/files/figure.png" pageId="24" pageNumber="25" startId="24.[151,250,1733,1757]" targetBox="[189,1398,813,1709]" targetPageId="24" targetType="figure">
<paragraph id="8BE0368D7848F631FF79F9011F143D04" blockId="24.[151,1437,1733,1793]" pageId="24" pageNumber="25">
<emphasis id="B92BEA9F7848F631FF79F9011D263CD8" bold="true" box="[151,373,1733,1757]" pageId="24" pageNumber="25">FIGURE 7 (7.1–7.4).</emphasis>
<taxonomicName id="4C5F4D0E7848F631FE95F9011E2A3CD8" authorityName="Barraclough &amp; Colville" authorityYear="2024" box="[379,633,1733,1757]" class="Insecta" family="Nemestrinidae" genus="Moegistorhynchus" kingdom="Animalia" order="Diptera" pageId="24" pageNumber="25" phylum="Arthropoda" rank="species" species="strillii" status="sp. nov.">
<emphasis id="B92BEA9F7848F631FE95F9011E2A3CD8" box="[379,633,1733,1757]" italics="true" pageId="24" pageNumber="25">Moegistorhynchus strillii</emphasis>
</taxonomicName>
<emphasis id="B92BEA9F7848F631FD91F9011E9C3CD8" bold="true" box="[639,719,1733,1757]" pageId="24" pageNumber="25">
<taxonomicNameLabel id="A21857E47848F631FD91F9011E9C3CD8" box="[639,719,1733,1757]" pageId="24" pageNumber="25" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
(male holotype).
<emphasis id="B92BEA9F7848F631FC6FF9011FC73CD8" bold="true" box="[897,916,1733,1757]" pageId="24" pageNumber="25">1.</emphasis>
Whole body, lateral view.
<emphasis id="B92BEA9F7848F631FB4EF90118E03CD8" bold="true" box="[1184,1203,1733,1757]" pageId="24" pageNumber="25">2.</emphasis>
Label data.
<emphasis id="B92BEA9F7848F631FAC0F90119083CD8" bold="true" box="[1326,1371,1733,1757]" pageId="24" pageNumber="25">3–4.</emphasis>
Head.
<emphasis id="B92BEA9F7848F631FF79F92D1CF93D04" bold="true" box="[151,170,1769,1793]" pageId="24" pageNumber="25">3.</emphasis>
Frontal view.
<emphasis id="B92BEA9F7848F631FED2F92D1D1C3D04" bold="true" box="[316,335,1769,1793]" pageId="24" pageNumber="25">4.</emphasis>
Oblique lateral view, showing detail of antennae.
</paragraph>
</caption>
<paragraph id="8BE0368D7848F631FF29F89718103DB3" blockId="24.[151,1437,1875,1974]" pageId="24" pageNumber="25">
<emphasis id="B92BEA9F7848F631FF29F8971E6A3D68" bold="true" box="[199,569,1875,1901]" pageId="24" pageNumber="25">Relationships and distribution</emphasis>
(
<figureCitation id="13642A087848F631FDA5F8971EF13D68" box="[587,674,1875,1901]" captionStart="FIGURE 12" captionStartId="31.[151,250,1634,1658]" captionTargetBox="[227,1361,705,1611]" captionTargetId="figure-274@31.[227,1361,705,1611]" captionTargetPageId="31" captionText="FIGURE 12. Distribution of the seven species of Moegistorhynchus across the coastal and montane areas of the Fynbos and Succulent Karoo Biomes (includes confirmed iNaturalist records to February 2024)." figureDoi="http://doi.org/10.5281/zenodo.13915498" httpUri="https://zenodo.org/record/13915498/files/figure.png" pageId="24" pageNumber="25">Fig. 12</figureCitation>
).
<taxonomicName id="4C5F4D0E7848F631FD54F8971F853D68" authorityName="Barraclough &amp; Colville" authorityYear="2024" box="[698,982,1875,1901]" class="Insecta" family="Nemestrinidae" genus="Moegistorhynchus" kingdom="Animalia" order="Diptera" pageId="24" pageNumber="25" phylum="Arthropoda" rank="species" species="strillii">
<emphasis id="B92BEA9F7848F631FD54F8971F853D68" box="[698,982,1875,1901]" italics="true" pageId="24" pageNumber="25">Moegistorhynchus strillii</emphasis>
</taxonomicName>
is most similar to
<taxonomicName id="4C5F4D0E7848F631FB59F890197D3D68" authorityName="Barraclough &amp; Colville" authorityYear="2024" box="[1207,1326,1876,1901]" class="Insecta" family="Nemestrinidae" genus="Moegistorhynchus" kingdom="Animalia" order="Diptera" pageId="24" pageNumber="25" phylum="Arthropoda" rank="species" species="turneri" status="sp. nov.">
<emphasis id="B92BEA9F7848F631FB59F890197D3D68" box="[1207,1326,1876,1901]" italics="true" pageId="24" pageNumber="25">M. turneri</emphasis>
</taxonomicName>
<emphasis id="B92BEA9F7848F631FAD6F89719C63D68" bold="true" box="[1336,1429,1875,1901]" pageId="24" pageNumber="25">
<taxonomicNameLabel id="A21857E47848F631FAD6F89719C63D68" box="[1336,1429,1875,1901]" pageId="24" pageNumber="25" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
, although it is rapidly distinguished by having the abdominal dorsum with a paler (medium brown) ground colour and strikingly elongate pile. Vegetation
<typeStatus id="54E4882F7848F631FDBBF8581EDA3DB3" box="[597,649,1948,1974]" pageId="24" pageNumber="25">type</typeStatus>
: Winterhoek Sandstone Fynbos (FFs5).
</paragraph>
</subSubSection>
<caption id="DF2066057849F630FF79F9C019733C61" ID-DOI="http://doi.org/10.5281/zenodo.13915482" ID-Zenodo-Dep="13915482" httpUri="https://zenodo.org/record/13915482/files/figure.png" pageId="25" pageNumber="26" startId="25.[151,250,1540,1564]" targetBox="[189,1398,181,1516]" targetPageId="25" targetType="figure">
<paragraph id="8BE0368D7849F630FF79F9C019733C61" blockId="25.[151,1437,1540,1636]" pageId="25" pageNumber="26">
<emphasis id="B92BEA9F7849F630FF79F9C01D2E3C19" bold="true" box="[151,381,1540,1564]" pageId="25" pageNumber="26">FIGURE 7 (7.5–7.9).</emphasis>
<taxonomicName id="4C5F4D0E7849F630FE68F9C01EDA3C19" authorityName="Barraclough &amp; Colville" authorityYear="2024" box="[390,649,1540,1564]" class="Insecta" family="Nemestrinidae" genus="Moegistorhynchus" kingdom="Animalia" order="Diptera" pageId="25" pageNumber="26" phylum="Arthropoda" rank="species" species="strillii" status="sp. nov.">
<emphasis id="B92BEA9F7849F630FE68F9C01EDA3C19" box="[390,649,1540,1564]" italics="true" pageId="25" pageNumber="26">Moegistorhynchus strillii</emphasis>
</taxonomicName>
<emphasis id="B92BEA9F7849F630FD7CF9C01EB53C19" bold="true" box="[658,742,1540,1564]" pageId="25" pageNumber="26">
<taxonomicNameLabel id="A21857E47849F630FD7CF9C01EB53C19" box="[658,742,1540,1564]" pageId="25" pageNumber="26" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
(male holotype).
<emphasis id="B92BEA9F7849F630FC4AF9C01F823C19" bold="true" box="[932,977,1540,1564]" pageId="25" pageNumber="26">5–6.</emphasis>
Thorax.
<emphasis id="B92BEA9F7849F630FBDDF9C018163C19" bold="true" box="[1075,1093,1540,1564]" pageId="25" pageNumber="26">5.</emphasis>
Dorsal view.
<emphasis id="B92BEA9F7849F630FB32F9C018BC3C19" bold="true" box="[1244,1263,1540,1564]" pageId="25" pageNumber="26">6.</emphasis>
Lateral view.
<emphasis id="B92BEA9F7849F630FA67F9C019CF3C19" bold="true" box="[1417,1436,1540,1564]" pageId="25" pageNumber="26">7.</emphasis>
Wing:
<emphasis id="B92BEA9F7849F630FF32F9EC1D5A3C3A" box="[220,265,1576,1599]" italics="true" pageId="25" pageNumber="26">CuP</emphasis>
with single complete crossvein reaching to hind margin (arrowed).
<emphasis id="B92BEA9F7849F630FC5AF9EC1FB23C45" bold="true" box="[948,993,1576,1600]" pageId="25" pageNumber="26">8–9.</emphasis>
Abdomen, dorsal view.
<emphasis id="B92BEA9F7849F630FB39F9EC18B93C45" bold="true" box="[1239,1258,1576,1600]" pageId="25" pageNumber="26">8.</emphasis>
Whole abdomen, showing noticeably hirsute appearance, elongate pile on T3 and T4 present over much of surface.
<emphasis id="B92BEA9F7849F630FB99F98818D93C61" bold="true" box="[1143,1162,1612,1636]" pageId="25" pageNumber="26">9.</emphasis>
Basal tergites.
</paragraph>
</caption>
<subSubSection id="C34565067849F633FF29F9721D263AFC" lastPageId="26" lastPageNumber="27" pageId="25" pageNumber="26" type="discussion">
<paragraph id="8BE0368D7849F630FF29F9721D733DC9" blockId="25.[151,1437,1718,2033]" pageId="25" pageNumber="26">
<emphasis id="B92BEA9F7849F630FF29F9721D163CD5" bold="true" box="[199,325,1718,1744]" pageId="25" pageNumber="26">Discussion</emphasis>
. This species is known only from the
<typeStatus id="54E4882F7849F630FCEDF9721F3B3CD5" box="[771,872,1718,1744]" pageId="25" pageNumber="26" type="holotype">holotype</typeStatus>
, which was collected 108 years ago in the Groot Winterhoek mountains north of Tulbagh at an altitude of about 1370 metres. It is a highly distinctive species and may be extinct. We say this because the Groot Winterhoek mountains are relatively well collected; in fact two other species of
<taxonomicName id="4C5F4D0E7849F630FEA1F8E61E4E3D39" box="[335,541,1826,1852]" class="Insecta" family="Nemestrinidae" genus="Moegistorhynchus" kingdom="Animalia" order="Diptera" pageId="25" pageNumber="26" phylum="Arthropoda" rank="genus">
<emphasis id="B92BEA9F7849F630FEA1F8E61E4E3D39" box="[335,541,1826,1852]" italics="true" pageId="25" pageNumber="26">Moegistorhynchus</emphasis>
</taxonomicName>
have been collected there. However, no material besides the male
<typeStatus id="54E4882F7849F630FAE3F8E6193C3D39" box="[1293,1391,1826,1852]" pageId="25" pageNumber="26" type="holotype">holotype</typeStatus>
has ever been collected. Over the years (see label data cited above) the species was misidentified as
<taxonomicName id="4C5F4D0E7849F630FB1AF88319CE3D65" box="[1268,1437,1862,1888]" class="Insecta" family="Nemestrinidae" genus="Moegistorhynchus" kingdom="Animalia" order="Diptera" pageId="25" pageNumber="26" phylum="Arthropoda" rank="species" species="brevirostris">
<emphasis id="B92BEA9F7849F630FB1AF88319CE3D65" box="[1268,1437,1862,1888]" italics="true" pageId="25" pageNumber="26">M. brevirostris</emphasis>
</taxonomicName>
and as a ‘variety’ of
<taxonomicName id="4C5F4D0E7849F630FE91F8AF1E743D81" baseAuthorityName="Wiedemann" baseAuthorityYear="1821" box="[383,551,1898,1924]" class="Insecta" family="Nemestrinidae" genus="Moegistorhynchus" kingdom="Animalia" order="Diptera" pageId="25" pageNumber="26" phylum="Arthropoda" rank="species" species="longirostris">
<emphasis id="B92BEA9F7849F630FE91F8AF1E743D81" box="[383,551,1898,1924]" italics="true" pageId="25" pageNumber="26">M. longirostris</emphasis>
</taxonomicName>
.
<bibRefCitation id="EFCE4B7C7849F630FDD8F8AE1F573D81" author="Bezzi, M." box="[566,772,1898,1924]" pageId="25" pageNumber="26" pagination="164 - 190" refId="ref22624" refString="Bezzi, M. (1924) The South African Nemestrinidae as represented in the South African Museum. Annals of the South African Museum, 19, 164 - 190." type="journal article" year="1924">Bezzi (1924: 189)</bibRefCitation>
, for example, considered this species to be
<taxonomicName id="4C5F4D0E7849F630FB01F8AF19C53D81" box="[1263,1430,1898,1924]" class="Insecta" family="Nemestrinidae" genus="Moegistorhynchus" kingdom="Animalia" order="Diptera" pageId="25" pageNumber="26" phylum="Arthropoda" rank="species" species="brevirostris">
<emphasis id="B92BEA9F7849F630FB01F8AF19C53D81" box="[1263,1430,1898,1924]" italics="true" pageId="25" pageNumber="26">M. brevirostris</emphasis>
</taxonomicName>
. However, it is clearly neither of these two species given that the second abdominal tergite is almost entirely silver pruinescent.
</paragraph>
<paragraph id="8BE0368D7849F633FF29F8121D263AFC" blockId="25.[151,1437,1718,2033]" lastBlockId="26.[151,1436,151,249]" lastPageId="26" lastPageNumber="27" pageId="25" pageNumber="26">
The male postabdomen of the
<typeStatus id="54E4882F7849F630FDF7F8121E283DF5" box="[537,635,2006,2032]" pageId="25" pageNumber="26" type="holotype">holotype</typeStatus>
had been dissected from the abdomen several decades ago and is stored in a glycerine-filled microvial with the specimen. Although it was possible to describe the postabdomen (see above), its condition was so poor and unstable at the type of imaging that we decided not to image it given the risk of further substantial damage.
</paragraph>
</subSubSection>
</treatment>
</document>
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