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<document id="14D45163CEF7D88260DA09C468EB6B98" ID-DOI="10.5852/ejt.2016.238" ID-GBIF-Dataset="8b57d1e6-b2b7-4229-912a-c042457efaaf" ID-ISSN="2118-9773" ID-Zenodo-Dep="3849874" 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="1590439951474" checkinUser="valdenar" docAuthor="Doczkal, Dieter, Radenković, Snežana, Lyneborg, Leif &amp; Pape, Thomas" docDate="2016" docId="03EA327EFFF2EC04FDAEEB7AFCEBF87F" docLanguage="en" docName="ejt-2016-238.pdf.imf" docOrigin="European Journal of Taxonomy 238" docStyle="DocumentStyle:EF2B578F1D15862ADE45B0C07C620911.14:EJT.2018-.journal_article.type1" docStyleId="EF2B578F1D15862ADE45B0C07C620911" docStyleName="EJT.2018-.journal_article.type1" docStyleVersion="14" docTitle="Megatrigon argentimaculatus Doczkal &amp; Radenković &amp; Lyneborg &amp; Pape 2016, sp. nov." docType="treatment" docVersion="11" lastPageNumber="20" masterDocId="FFD34A06FFE1EC17FF9AEA71FFC7FFFF" masterDocTitle="Taxonomic revision of the Afrotropical genus Megatrigon Johnson, 1898 (Diptera: Syrphidae)" masterLastPageNumber="36" masterPageNumber="1" pageNumber="20" updateTime="1734461804313" updateUser="ExternalLinkService" zenodo-license-document="CC-BY-3.0" zenodo-license-figures="CC-BY-3.0" zenodo-license-treatments="UNSPECIFIED">
<mods:mods id="1F10918880E035F641914489691095A5" xmlns:mods="http://www.loc.gov/mods/v3">
<mods:titleInfo id="EA886269948C8E7CF0591A09747D5E45">
<mods:title id="0411AAE1544AC2D4548D0B24A2408990">Taxonomic revision of the Afrotropical genus Megatrigon Johnson, 1898 (Diptera: Syrphidae)</mods:title>
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<mods:namePart id="EE79FADA29D62F5245574D6F4245C748">Doczkal, Dieter</mods:namePart>
<mods:nameIdentifier id="9560A38E9946B8021FFD2622EFFE55A2" type="LSID">79800F7A-AA21-4948-AD64-619BD5FCBB98</mods:nameIdentifier>
<mods:affiliation id="F5CC8ECCB73AFB0764CB1949AF3ACD39">Bavarian State Collection of Zoology, Zoologische Staatssammlung, Munich, Germany.</mods:affiliation>
<mods:nameIdentifier id="2E3D67C2C8380FEEB6A7CCA523E4BC26" type="email">doczkal@zsm.mwn.de</mods:nameIdentifier>
</mods:name>
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</mods:role>
<mods:namePart id="A8AF096B7CAC4C1503BDAD9B6DA95599">Radenković, Snežana</mods:namePart>
<mods:nameIdentifier id="8F47ABA191E60EC16D067F1198882CFA" type="LSID">26DF35D9-55FA-4485-8E8C-C1F90EFE1036</mods:nameIdentifier>
<mods:affiliation id="0893ABA90106C8CB1619AE586F25008E">University of Novi Sad, Department of Biology and Ecology, Trg Dositeja Obradovica 2, 21000 Novi Sad, Serbia.</mods:affiliation>
<mods:nameIdentifier id="1D41F0D61C8CEFF6787DA2F9EEF087EA" type="email">snezana.radenkovic@dbe.uns.ac.rs</mods:nameIdentifier>
</mods:name>
<mods:name id="F73F33C7304CB2923985581EC3E651F5" type="personal">
<mods:role id="78CC3D7BC5E25DA4DE2387393D9DD2E8">
<mods:roleTerm id="1AF2CC0D436C8BF29AA2727E2AE8F2F6">Author</mods:roleTerm>
</mods:role>
<mods:namePart id="F254762AC9E006E7DA3CEEC953953E79">Lyneborg, Leif</mods:namePart>
<mods:nameIdentifier id="E58E3D8EDE6E8BD2CAFDD7EE11C9757B" type="LSID">DAEF2A0D-7A43-4CF8-8E31-376C0B188EC6</mods:nameIdentifier>
<mods:affiliation id="9493800698B8D8FAB264CD885EF03DF0">Natural History Museum of Denmark, Universitetsparken 15, 2100 Copenhagen, Denmark.</mods:affiliation>
</mods:name>
<mods:name id="2CB69DD1C5DE7F700FB8F1C6825C2909" type="personal">
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</mods:role>
<mods:namePart id="B6582FFF4D85210D84DA8512E03613E6">Pape, Thomas</mods:namePart>
<mods:nameIdentifier id="C46C405FA80A5DC27C23D4B6132AA667" type="LSID">1371BF99-D20A-47B9-BA9D-1F8D830A1B5A</mods:nameIdentifier>
<mods:affiliation id="3AE20051C8BBD7F3963EEF413467FA72">Natural History Museum of Denmark, Universitetsparken 15, 2100 Copenhagen, Denmark.</mods:affiliation>
<mods:nameIdentifier id="6377B9CC24DA4F1106BD5F460BCADAEC" type="email">tpape@snm.ku.dk&amp;tpape@snm.ku.dk</mods:nameIdentifier>
</mods:name>
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<mods:titleInfo id="4A21CB9D8D85764BBC3E8CC5074EC4B6">
<mods:title id="242E3FDBB666B377267C599F9C7D2EEA">European Journal of Taxonomy</mods:title>
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<mods:part id="622BDD781C53B3CADABE65B585478057">
<mods:date id="0826E0EE7C9CDCF098FF300C690371F7">2016</mods:date>
<mods:detail id="5F219DC93CA54821E94C427791D135B9" type="pubDate">
<mods:number id="62C2649AED7BA7A462FC94382AC6C5AA">2016-10-20</mods:number>
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<mods:detail id="191DDA1E026A57C667DCD1B961C3D359" type="volume">
<mods:number id="1455CA54CE84EC359C1F36E77F1A9C0C">238</mods:number>
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<mods:start id="F858AD26F193D6304121861D665AD35B">1</mods:start>
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<mods:identifier id="16FAE97399249FF21106595132A49EDA" type="DOI">10.5852/ejt.2016.238</mods:identifier>
<mods:identifier id="9488797DC0DB2322DC801619327D6407" type="GBIF-Dataset">8b57d1e6-b2b7-4229-912a-c042457efaaf</mods:identifier>
<mods:identifier id="85D69C7250213321B955A1C2774123C1" type="ISSN">2118-9773</mods:identifier>
<mods:identifier id="D2899A45C36AC0D3FB331638DF91EC64" type="Zenodo-Dep">3849874</mods:identifier>
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<treatment id="03EA327EFFF2EC04FDAEEB7AFCEBF87F" ID-DOI="http://doi.org/10.5281/zenodo.3854668" ID-GBIF-Taxon="164283056" ID-Zenodo-Dep="3854668" LSID="urn:lsid:plazi:treatment:03EA327EFFF2EC04FDAEEB7AFCEBF87F" httpUri="http://treatment.plazi.org/id/03EA327EFFF2EC04FDAEEB7AFCEBF87F" lastPageNumber="20" pageId="19" pageNumber="20" scope_class="Insecta" scope_family="Syrphidae" scope_order="Diptera" scope_subFamily="Eristalinae" scope_tribe="Merodontini">
<subSubSection id="C359D0E3FFF2EC04FDAEEB7AFC38FED9" box="[564,1023,267,294]" pageId="19" pageNumber="20" type="nomenclature">
<paragraph id="8BFC8368FFF2EC04FDAEEB7AFC38FED9" blockId="19.[366,1221,267,365]" box="[564,1023,267,294]" pageId="19" pageNumber="20">
<heading id="D0B43404FFF2EC04FDAEEB7AFC38FED9" box="[564,1023,267,294]" centered="true" fontSize="11" level="2" pageId="19" pageNumber="20" reason="2">
<taxonomicName id="4C43F8EBFFF2EC04FDAEEB7AFC59FED9" ID-CoL="9HNMV" authority="Doczkal &amp; Radenković &amp; Lyneborg &amp; Pape, 2016" authorityName="Doczkal &amp; Radenković &amp; Lyneborg &amp; Pape" authorityYear="2016" box="[564,926,267,294]" class="Insecta" family="Syrphidae" genus="Megatrigon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Diptera" pageId="19" pageNumber="20" phylum="Arthropoda" rank="species" species="argentimaculatus" status="sp. nov.">
<emphasis id="B9375F7AFFF2EC04FDAEEB7AFC59FED9" bold="true" box="[564,926,267,294]" italics="true" pageId="19" pageNumber="20">Megatrigon argentimaculatus</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A204E201FFF2EC04FC3FEB7DFC38FED9" box="[933,1023,268,294]" pageId="19" pageNumber="20" rank="species">sp. nov.</taxonomicNameLabel>
</heading>
</paragraph>
</subSubSection>
<subSubSection id="C359D0E3FFF2EC04FEF4EB5FFBC1FE92" pageId="19" pageNumber="20" type="description">
<paragraph id="8BFC8368FFF2EC04FEF4EB5FFB02FEB6" blockId="19.[366,1221,267,365]" box="[366,1221,302,329]" pageId="19" pageNumber="20">
<uri id="FFD28F6AFFF2EC04FEF4EB5FFB02FEB6" box="[366,1221,302,329]" pageId="19" pageNumber="20">
urn:lsid:zoobank.org:act:
<uuid id="FFE5B9BDFFF2EC04FD14EB5FFB02FEB6" box="[654,1221,302,329]" pageId="19" pageNumber="20">42BB0474-749D-4B47-BF20-C5C9F1C1B84C</uuid>
</uri>
</paragraph>
<paragraph id="8BFC8368FFF2EC04FDB4EB23FBC1FE92" blockId="19.[366,1221,267,365]" box="[558,1030,338,365]" pageId="19" pageNumber="20">
<figureCitation id="13789FEDFFF2EC04FDB4EB23FD4CFE93" box="[558,651,338,364]" captionStart="Fig" captionStartId="5.[189,232,1822,1848]" captionTargetBox="[241,1346,265,1784]" captionTargetId="figure@5.[241,1346,265,1784]" captionTargetPageId="5" captionText="Fig. 1. Megatrigon spp., habitus, dorsal view. A. Megatrigon argenteus (Walker, 1852) comb. nov. (♂). B. M. argentifrons sp. nov. (♂). C. M. argentimaculatus sp. nov. (♂). D. M. magnicornis sp. nov. (♂). E. M. natalensis sp. nov. (♂). F. M. sexmaculatus sp. nov. (♂). G. M. apiformis sp. nov. (♂). H. M. cooksoni sp. nov. (♂). I. M. immaculatus sp. nov. (♂). J. M. ochreatus (Hull, 1964) comb. nov. (♂). K. M. tabanoides sp. nov. (♂). L. M. jacobi (Hervé-Bazin, 1913) comb. nov. (♂). M. M. nivalis (Hull, 1964) comb. nov. (♀)." figureDoi="http://doi.org/10.5281/zenodo.3849878" httpUri="https://zenodo.org/record/3849878/files/figure.png" pageId="19" pageNumber="20">Figs 1C</figureCitation>
,
<figureCitation id="13789FEDFFF2EC04FD02EB23FD7AFE93" box="[664,701,338,364]" captionStart="Fig" captionStartId="6.[189,232,1822,1848]" captionTargetBox="[189,1399,518,1778]" captionTargetId="figure@6.[189,1399,518,1778]" captionTargetPageId="6" captionText="Fig. 2. Megatrigon spp., head, dorsal view. A. Megatrigon argenteus (Walker, 1852) comb. nov. (♂). B. M. argentifrons sp. nov. (♂). C. M. argentimaculatus sp. nov. (♂). D. M. magnicornis sp. nov. (♂). E–F. M.natalensissp. nov.(arrow =postocellarspot)(♂).G.M.sexmaculatus sp. nov.(♂).H. M.apiformis sp. nov. (♂). I. M. cooksoni sp. nov. (♂). J. M. immaculatus sp. nov. (♂). K. M. ochreatus (Hull, 1964) comb. nov. (♂). L. M. tabanoides sp. nov. (♂). M. M. jacobi (Hervé-Bazin, 1913) comb. nov. (♂). N. M. nivalis (Hull, 1964) comb. nov. (♀). Symbol: x = postocellar spot." figureDoi="http://doi.org/10.5281/zenodo.3849882" httpUri="https://zenodo.org/record/3849882/files/figure.png" pageId="19" pageNumber="20">2C</figureCitation>
,
<figureCitation id="13789FEDFFF2EC04FD53EB23FD2AFE93" box="[713,749,338,364]" captionStart="Fig" captionStartId="7.[188,231,1822,1848]" captionTargetBox="[233,1359,267,1781]" captionTargetId="figure@7.[233,1359,267,1781]" captionTargetPageId="7" captionText="Fig. 3. Megatrigon spp., left antenna, lateral view. A. Megatrigon argenteus (Walker, 1852) comb. nov. (♂). B. M. argentifrons sp. nov. (♂). C. M. argentimaculatus sp. nov. (♂). D. M. magnicornis sp. nov. (♂). E. M. natalensis sp. nov. (♂). F. M. sexmaculatus sp. nov. (♂). G. M. apiformis sp. nov. (♂). H. M. cooksoni sp. nov. (♂). I. M. immaculatus sp. nov. (♂). J. M. ochreatus (Hull, 1964) comb. nov. (♂). K. M. tabanoides sp. nov. (♂). L. M. jacobi (Hervé-Bazin, 1913) comb. nov. (♂). M. M. nivalis (Hull, 1964) comb. nov. (♀)." figureDoi="http://doi.org/10.5281/zenodo.3849886" httpUri="https://zenodo.org/record/3849886/files/figure.png" pageId="19" pageNumber="20">3C</figureCitation>
,
<figureCitation id="13789FEDFFF2EC04FD60EB23FCD9FE93" box="[762,798,338,364]" captionStart="Fig" captionStartId="11.[189,232,1862,1888]" captionTargetBox="[189,1399,265,1837]" captionTargetId="figure@11.[189,1399,265,1837]" captionTargetPageId="11" captionText="Fig. 7. Megatrigon spp., abdomen, dorsal view, ♂. A. Megatrigon argenteus (Walker, 1852) comb. nov. B. M. argentifrons sp. nov. C. M. argentimaculatus sp. nov. D. M. magnicornis sp. nov. E. M. natalensis sp. nov. F. M. sexmaculatus sp. nov. G. M. apiformis sp. nov. H. M. cooksoni sp. nov. I. M. immaculatus sp. nov. J. M. ochreatus (Hull, 1964) comb. nov. K. M. tabanoides sp. nov. L. M. jacobi (Hervé-Bazin, 1913) comb. nov." figureDoi="http://doi.org/10.5281/zenodo.3849902" httpUri="https://zenodo.org/record/3849902/files/figure.png" pageId="19" pageNumber="20">7C</figureCitation>
,
<figureCitation id="13789FEDFFF2EC04FCB1EB23FC99FE93" box="[811,862,338,364]" captionStart="Fig" captionStartId="16.[189,232,1825,1851]" captionTargetBox="[216,1374,263,1796]" captionTargetId="figure@16.[216,1374,263,1796]" captionTargetPageId="16" captionText="Fig. 10. Megatrigon spp., ♂ terminalia, epandrium, left lateral view. A. Megatrigon argenteus (Walker, 1852) comb. nov. B. M. argentifrons sp. nov. C. M. argentimaculatus sp. nov. D. M. magnicornis sp. nov. E. M. natalensis sp. nov. F. M. sexmaculatus sp. nov. G. M. apiformis sp. nov. H. M. cooksoni sp. nov. I. M. immaculatus sp. nov. J. M. ochreatus (Hull, 1964) comb. nov. K. M. tabanoides sp. nov. L. Megatrigon sp. from sexfasciatus group. M. M. nivalis. Symbols: x = ventral margin of median surstyle; y = posterior surstyle; z = cercus; w = subepandrial sclerite." figureDoi="http://doi.org/10.5281/zenodo.3849914" httpUri="https://zenodo.org/record/3849914/files/figure.png" pageId="19" pageNumber="20">10C</figureCitation>
,
<figureCitation id="13789FEDFFF2EC04FCF1EB23FC5AFE93" box="[875,925,338,364]" captionStart="Fig" captionStartId="17.[189,232,1758,1784]" captionTargetBox="[189,1399,340,1716]" captionTargetId="figure@17.[189,1399,340,1716]" captionTargetPageId="17" captionText="Fig. 11. Megatrigon spp., ♂ terminalia, hypandrium (A–M) and phallus (N), left lateral view. A. Megatrigon argenteus (Walker, 1852) comb. nov. B. M. argentifrons sp. nov. C. M. argentimaculatus sp. nov. D. M. magnicornis sp. nov. E. M. natalensis sp. nov. F. M. sexmaculatus sp. nov. G. M. apiformis sp. nov. H. M. cooksoni sp. nov. I. M. immaculatus sp. nov. J. M. ochreatus (Hull, 1964) comb. nov. K. M. tabanoides sp. nov. L. M. sp. from sexfasciatus group. M–N. M. nivalis (Hull, 1964) comb. nov. Symbol: x = hamus." figureDoi="http://doi.org/10.5281/zenodo.3849918" httpUri="https://zenodo.org/record/3849918/files/figure.png" pageId="19" pageNumber="20">11C</figureCitation>
,
<figureCitation id="13789FEDFFF2EC04FC33EB23FC1BFE93" box="[937,988,338,364]" captionStart="Fig" captionStartId="18.[189,232,1794,1820]" captionTargetBox="[189,1399,442,1753]" captionTargetId="figure@18.[189,1399,442,1753]" captionTargetPageId="18" captionText="Fig. 12. Megatrigon spp., ♂ terminalia, hypandrium, ventral view. A. Megatrigon argenteus (Walker, 1852) comb. nov. B. M. argentifrons sp. nov. C. M. argentimaculatus sp. nov. D. M. magnicornis sp. nov. E. M. natalensis sp. nov. F. M. apiformis sp. nov. G. M. cooksoni sp. nov. H. M. immaculatus sp. nov. I. M. ochreatus (Hull, 1964) comb. nov. J. M. tabanoides sp. nov. K. Megatrigon sp. from the sexfasciatus group. L. M. nivalis (Hull, 1964) comb. nov. Symbol: x = lateral ‘shoulders’." figureDoi="http://doi.org/10.5281/zenodo.3849922" httpUri="https://zenodo.org/record/3849922/files/figure.png" pageId="19" pageNumber="20">12C</figureCitation>
,
<figureCitation id="13789FEDFFF2EC04FC73EB23FBC1FE92" box="[1001,1030,338,365]" captionStart="Fig" captionStartId="32.[189,232,1998,2024]" captionTargetBox="[189,1399,1370,1956]" captionTargetId="figure@32.[189,1399,1370,1956]" captionTargetPageId="32" captionText="Fig. 15. Megatrigon argenteus species group (subgroup 1), distribution." figureDoi="http://doi.org/10.5281/zenodo.3849934" httpUri="https://zenodo.org/record/3849934/files/figure.png" pageId="19" pageNumber="20">15</figureCitation>
</paragraph>
</subSubSection>
<subSubSection id="C359D0E3FFF2EC04FF27EBE2FB6FFDBA" pageId="19" pageNumber="20" type="diagnosis">
<paragraph id="8BFC8368FFF2EC04FF27EBE2FEF1FE52" blockId="19.[189,310,403,429]" box="[189,310,403,429]" pageId="19" pageNumber="20">
<heading id="D0B43404FFF2EC04FF27EBE2FEF1FE52" bold="true" box="[189,310,403,429]" fontSize="11" level="3" pageId="19" pageNumber="20" reason="3">
<emphasis id="B9375F7AFFF2EC04FF27EBE2FEF1FE52" bold="true" box="[189,310,403,429]" pageId="19" pageNumber="20">Diagnosis</emphasis>
</heading>
</paragraph>
<paragraph id="8BFC8368FFF2EC04FF27EBB3FB6FFDBA" blockId="19.[189,1399,450,581]" pageId="19" pageNumber="20">
Microtrichia pattern of head (
<figureCitation id="13789FEDFFF2EC04FD8EEBB3FDB6FE23" box="[532,625,450,476]" captionStart="Fig" captionStartId="6.[189,232,1822,1848]" captionTargetBox="[189,1399,518,1778]" captionTargetId="figure@6.[189,1399,518,1778]" captionTargetPageId="6" captionText="Fig. 2. Megatrigon spp., head, dorsal view. A. Megatrigon argenteus (Walker, 1852) comb. nov. (♂). B. M. argentifrons sp. nov. (♂). C. M. argentimaculatus sp. nov. (♂). D. M. magnicornis sp. nov. (♂). E–F. M.natalensissp. nov.(arrow =postocellarspot)(♂).G.M.sexmaculatus sp. nov.(♂).H. M.apiformis sp. nov. (♂). I. M. cooksoni sp. nov. (♂). J. M. immaculatus sp. nov. (♂). K. M. ochreatus (Hull, 1964) comb. nov. (♂). L. M. tabanoides sp. nov. (♂). M. M. jacobi (Hervé-Bazin, 1913) comb. nov. (♂). N. M. nivalis (Hull, 1964) comb. nov. (♀). Symbol: x = postocellar spot." figureDoi="http://doi.org/10.5281/zenodo.3849882" httpUri="https://zenodo.org/record/3849882/files/figure.png" pageId="19" pageNumber="20">Fig. 2C</figureCitation>
): Frons shiny anteriorly, microtrichiose posteriorly; between frons and vertex bare transversal line; vertex covered with microtrichia, except ocellar triangle, small central area behind ocellar triangle, short longitudinal line medio-posteriorly and head edge; microtrichia of post-ocular orbit exceeded post-ocular ridge and joined with postocellar microtrichia.
</paragraph>
</subSubSection>
<subSubSection id="C359D0E3FFF2EC04FF27E81CFBB7FD26" pageId="19" pageNumber="20" type="etymology">
<paragraph id="8BFC8368FFF2EC04FF27E81CFE83FD78" blockId="19.[189,324,621,647]" box="[189,324,621,647]" pageId="19" pageNumber="20">
<heading id="D0B43404FFF2EC04FF27E81CFE83FD78" bold="true" box="[189,324,621,647]" fontSize="11" level="3" pageId="19" pageNumber="20" reason="3">
<emphasis id="B9375F7AFFF2EC04FF27E81CFE83FD78" bold="true" box="[189,324,621,647]" pageId="19" pageNumber="20">Etymology</emphasis>
</heading>
</paragraph>
<paragraph id="8BFC8368FFF2EC04FF27E8EAFBB7FD26" blockId="19.[189,1398,667,729]" pageId="19" pageNumber="20">
The species epithet, which is formed as an adjective, is derived from the Latin words
<emphasis id="B9375F7AFFF2EC04FB0CE8EDFAC2FD4A" box="[1174,1285,668,693]" italics="true" pageId="19" pageNumber="20">argentum</emphasis>
(= silver) and
<emphasis id="B9375F7AFFF2EC04FF75E8CFFE82FD27" box="[239,325,702,728]" italics="true" pageId="19" pageNumber="20">macula</emphasis>
(= spot), alluding to the large silver spots on abdominal tergites 2+3.
</paragraph>
</subSubSection>
<subSubSection id="C359D0E3FFF2EC04FF27E971FAA2FC93" pageId="19" pageNumber="20" type="materials_examined">
<paragraph id="8BFC8368FFF2EC04FF27E971FEABFCE5" blockId="19.[189,364,768,794]" box="[189,364,768,794]" pageId="19" pageNumber="20">
<heading id="D0B43404FFF2EC04FF27E971FEABFCE5" bold="true" box="[189,364,768,794]" fontSize="11" level="3" pageId="19" pageNumber="20" reason="3">
<emphasis id="B9375F7AFFF2EC04FF27E971FEABFCE5" bold="true" box="[189,364,768,794]" pageId="19" pageNumber="20">Type material</emphasis>
</heading>
</paragraph>
<paragraph id="8BFC8368FFF2EC04FF70E95EFAA2FC93" blockId="19.[189,1381,815,876]" pageId="19" pageNumber="20">
<materialsCitation id="3B2B8935FFF2EC04FF70E95EFAA2FC93" ID-GBIF-Occurrence="2625488306" collectingDate="1928-04-23" collectionCode="NMSA" collectorName="A. Walton" country="South Africa" location="Resolution" municipality="Albany Dist." pageId="19" pageNumber="20" specimenCount="1" specimenCount-male="1" stateProvince="Eastern Cape" typeStatus="holotype">
<emphasis id="B9375F7AFFF2EC04FF70E95EFE9BFCB6" bold="true" box="[234,348,815,841]" pageId="19" pageNumber="20">
<typeStatus id="54F83DCAFFF2EC04FF70E95EFE9BFCB6" box="[234,348,815,841]" pageId="19" pageNumber="20" type="holotype">Holotype</typeStatus>
</emphasis>
<collectingCountry id="F354C3F8FFF2EC04FF27E923FE57FC93" box="[189,400,850,876]" name="South Africa" pageId="19" pageNumber="20">SOUTH AFRICA</collectingCountry>
:
<specimenCount id="9D4548E1FFF2EC04FE3AE921FE71FC93" box="[416,438,848,876]" count="1" pageId="19" pageNumber="20" type="male">♂</specimenCount>
,
<collectingRegion id="49874D8AFFF2EC04FE5EE923FDA4FC93" box="[452,611,850,876]" country="South Africa" name="Eastern Cape" pageId="19" pageNumber="20">Eastern Cape</collectingRegion>
,
<collectingMunicipality id="6B981912FFF2EC04FDF7E923FCC1FC93" box="[621,774,850,876]" pageId="19" pageNumber="20">Albany Dist.</collectingMunicipality>
,
<location id="8E9CD5B3FFF2EC04FC8BE923FC54FC93" LSID="urn:lsid:plazi:treatment:03EA327EFFF2EC04FDAEEB7AFCEBF87F:8E9CD5B3FFF2EC04FC8BE923FC54FC93" box="[785,915,850,876]" country="South Africa" municipality="Albany Dist." name="Resolution" pageId="19" pageNumber="20" stateProvince="Eastern Cape">Resolution</location>
,
<date id="FFFDA5A8FFF2EC04FC05E923FBFDFC93" box="[927,1082,850,876]" pageId="19" pageNumber="20" value="1928-04-23">
<collectingDate id="EFB95C40FFF2EC04FC05E923FBFDFC93" box="[927,1082,850,876]" pageId="19" pageNumber="20" value="1928-04-23">23 Apr. 1928</collectingDate>
</date>
,
<collectorName id="26B6E6BEFFF2EC04FBDFE923FB7BFC93" box="[1093,1212,850,876]" pageId="19" pageNumber="20">A. Walton</collectorName>
leg. (
<collectionCode id="ED521BADFFF2EC04FA9AE923FA92FC93" box="[1280,1365,850,876]" collectionName="South Africa, Kwa-Zulu Natal, Pietermaritzburg, Natal Museum" country="South Africa" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34985" lsid="urn:lsid:biocol.org:col:34985" name="KwaZulu-Natal Museum" pageId="19" pageNumber="20" type="Museum">NMSA</collectionCode>
).
</materialsCitation>
</paragraph>
</subSubSection>
<subSubSection id="C359D0E3FFF2EC04FF27E9E2FC1CF8EF" pageId="19" pageNumber="20" type="description">
<paragraph id="8BFC8368FFF2EC04FF27E9E2FE89FC52" blockId="19.[189,334,915,941]" box="[189,334,915,941]" pageId="19" pageNumber="20">
<heading id="D0B43404FFF2EC04FF27E9E2FE89FC52" bold="true" box="[189,334,915,941]" fontSize="11" level="3" pageId="19" pageNumber="20" reason="3">
<emphasis id="B9375F7AFFF2EC04FF27E9E2FE89FC52" bold="true" box="[189,334,915,941]" pageId="19" pageNumber="20">Description</emphasis>
</heading>
</paragraph>
<paragraph id="8BFC8368FFF2EC04FF27E9B3FDB1FC23" blockId="19.[189,630,961,988]" box="[189,630,961,988]" pageId="19" pageNumber="20">
LENGTH. Body 8.0 mm, wing
<quantity id="4CBB2E8DFFF2EC04FD8EE9B0FDB6FC23" box="[532,625,961,988]" metricMagnitude="-3" metricUnit="m" metricValue="5.5" pageId="19" pageNumber="20" unit="mm" value="5.5">5.5 mm</quantity>
.
</paragraph>
<paragraph id="8BFC8368FFF2EC04FF27EE75FB26FB78" blockId="19.[189,1399,1027,1159]" pageId="19" pageNumber="20">
HEAD (
<figureCitation id="13789FEDFFF2EC04FE91EE72FEA0FBE2" box="[267,359,1027,1053]" captionStart="Fig" captionStartId="6.[189,232,1822,1848]" captionTargetBox="[189,1399,518,1778]" captionTargetId="figure@6.[189,1399,518,1778]" captionTargetPageId="6" captionText="Fig. 2. Megatrigon spp., head, dorsal view. A. Megatrigon argenteus (Walker, 1852) comb. nov. (♂). B. M. argentifrons sp. nov. (♂). C. M. argentimaculatus sp. nov. (♂). D. M. magnicornis sp. nov. (♂). E–F. M.natalensissp. nov.(arrow =postocellarspot)(♂).G.M.sexmaculatus sp. nov.(♂).H. M.apiformis sp. nov. (♂). I. M. cooksoni sp. nov. (♂). J. M. immaculatus sp. nov. (♂). K. M. ochreatus (Hull, 1964) comb. nov. (♂). L. M. tabanoides sp. nov. (♂). M. M. jacobi (Hervé-Bazin, 1913) comb. nov. (♂). N. M. nivalis (Hull, 1964) comb. nov. (♀). Symbol: x = postocellar spot." figureDoi="http://doi.org/10.5281/zenodo.3849882" httpUri="https://zenodo.org/record/3849882/files/figure.png" pageId="19" pageNumber="20">Figs 2C</figureCitation>
,
<figureCitation id="13789FEDFFF2EC04FEE8EE72FE50FBE2" box="[370,407,1027,1053]" captionStart="Fig" captionStartId="7.[188,231,1822,1848]" captionTargetBox="[233,1359,267,1781]" captionTargetId="figure@7.[233,1359,267,1781]" captionTargetPageId="7" captionText="Fig. 3. Megatrigon spp., left antenna, lateral view. A. Megatrigon argenteus (Walker, 1852) comb. nov. (♂). B. M. argentifrons sp. nov. (♂). C. M. argentimaculatus sp. nov. (♂). D. M. magnicornis sp. nov. (♂). E. M. natalensis sp. nov. (♂). F. M. sexmaculatus sp. nov. (♂). G. M. apiformis sp. nov. (♂). H. M. cooksoni sp. nov. (♂). I. M. immaculatus sp. nov. (♂). J. M. ochreatus (Hull, 1964) comb. nov. (♂). K. M. tabanoides sp. nov. (♂). L. M. jacobi (Hervé-Bazin, 1913) comb. nov. (♂). M. M. nivalis (Hull, 1964) comb. nov. (♀)." figureDoi="http://doi.org/10.5281/zenodo.3849886" httpUri="https://zenodo.org/record/3849886/files/figure.png" pageId="19" pageNumber="20">3C</figureCitation>
). Microtrichiose stripes on face along eye margin wide and long, extended till tentorial pit and joined with microtrichia below antenna by oblique microtrichiose stripe; distance between eyes a little larger than in
<taxonomicName id="4C43F8EBFFF2EC04FE2EEE3BFD88FB9C" authorityName="Doczkal &amp; Radenković &amp; Lyneborg &amp; Pape" authorityYear="2016" baseAuthorityName="Walker" baseAuthorityYear="1852" box="[436,591,1098,1123]" class="Insecta" family="Syrphidae" genus="Megatrigon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Diptera" pageId="19" pageNumber="20" phylum="Arthropoda" rank="species" species="argenteus" status="comb. nov.">
<emphasis id="B9375F7AFFF2EC04FE2EEE3BFD88FB9C" box="[436,591,1098,1123]" italics="true" pageId="19" pageNumber="20">M. argenteus</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A204E201FFF2EC04FDCCEE38FD1CFB9B" box="[598,731,1097,1124]" pageId="19" pageNumber="20" rank="species">comb. nov.</taxonomicNameLabel>
, 0.17 × width of head; ocellar triangle isosceles, without median longitudinal groove; colour of postpedicel (
<figureCitation id="13789FEDFFF2EC04FC82EE1CFCB5FB78" box="[792,882,1133,1159]" captionStart="Fig" captionStartId="7.[188,231,1822,1848]" captionTargetBox="[233,1359,267,1781]" captionTargetId="figure@7.[233,1359,267,1781]" captionTargetPageId="7" captionText="Fig. 3. Megatrigon spp., left antenna, lateral view. A. Megatrigon argenteus (Walker, 1852) comb. nov. (♂). B. M. argentifrons sp. nov. (♂). C. M. argentimaculatus sp. nov. (♂). D. M. magnicornis sp. nov. (♂). E. M. natalensis sp. nov. (♂). F. M. sexmaculatus sp. nov. (♂). G. M. apiformis sp. nov. (♂). H. M. cooksoni sp. nov. (♂). I. M. immaculatus sp. nov. (♂). J. M. ochreatus (Hull, 1964) comb. nov. (♂). K. M. tabanoides sp. nov. (♂). L. M. jacobi (Hervé-Bazin, 1913) comb. nov. (♂). M. M. nivalis (Hull, 1964) comb. nov. (♀)." figureDoi="http://doi.org/10.5281/zenodo.3849886" httpUri="https://zenodo.org/record/3849886/files/figure.png" pageId="19" pageNumber="20">Fig. 3C</figureCitation>
) dictinctly darker than pedicel.
</paragraph>
<paragraph id="8BFC8368FFF2EC04FF27EEDEFA9FFAF1" blockId="19.[189,1398,1198,1295]" pageId="19" pageNumber="20">THORAX. Mesoscutum with two, wide, lateral microtrichiose stripes and two weak submedian microtrichiose stripes starting as triangular markings and ending as small spots at the level of transverse suture; supra-alar setae yellow; median about 0.50 of width of mediotergite covered by microtrichia.</paragraph>
<paragraph id="8BFC8368FFF2EC04FF27EF47FC97FA8B" blockId="19.[189,1398,1334,1396]" pageId="19" pageNumber="20">WING. Membrane not infuscated, with yellow veins and microtrichia; cell br above vena spuria completely covered with microtrichia; costagium with yellow setae.</paragraph>
<paragraph id="8BFC8368FFF2EC04FF27EFEAFACAF9E1" blockId="19.[189,1399,1434,1567]" pageId="19" pageNumber="20">
LEGS. Dark submedian ring on pro- and mesotibia weak and visible only ventrally, microtrichia on metatibia distinct in proximal half, dorsally; all tarsi yellow-orange, without shading; all setae of legs light yellow; tarsomere 1 of pro- and metaleg not swollen like in
<taxonomicName id="4C43F8EBFFF2EC04FC20EF93FB92FA04" authorityName="Doczkal &amp; Radenković &amp; Lyneborg &amp; Pape" authorityYear="2016" baseAuthorityName="Walker" baseAuthorityYear="1852" box="[954,1109,1506,1531]" class="Insecta" family="Syrphidae" genus="Megatrigon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Diptera" pageId="19" pageNumber="20" phylum="Arthropoda" rank="species" species="argenteus" status="comb. nov.">
<emphasis id="B9375F7AFFF2EC04FC20EF93FB92FA04" box="[954,1109,1506,1531]" italics="true" pageId="19" pageNumber="20">M. argenteus</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A204E201FFF2EC04FBC6EF90FB26FA04" box="[1116,1249,1505,1531]" pageId="19" pageNumber="20" rank="species">comb. nov.</taxonomicNameLabel>
; tarsomere 1 of protarsus anterodorsally without a line of minute black spinules between the yellow trichia.
</paragraph>
<paragraph id="8BFC8368FFF2EC04FF27EC37FC1CF8EF" blockId="19.[189,1399,1606,1808]" pageId="19" pageNumber="20">
ABDOMEN (
<figureCitation id="13789FEDFFF2EC04FEA4EC37FE4FF99F" box="[318,392,1606,1632]" captionStart="Fig" captionStartId="5.[189,232,1822,1848]" captionTargetBox="[241,1346,265,1784]" captionTargetId="figure@5.[241,1346,265,1784]" captionTargetPageId="5" captionText="Fig. 1. Megatrigon spp., habitus, dorsal view. A. Megatrigon argenteus (Walker, 1852) comb. nov. (♂). B. M. argentifrons sp. nov. (♂). C. M. argentimaculatus sp. nov. (♂). D. M. magnicornis sp. nov. (♂). E. M. natalensis sp. nov. (♂). F. M. sexmaculatus sp. nov. (♂). G. M. apiformis sp. nov. (♂). H. M. cooksoni sp. nov. (♂). I. M. immaculatus sp. nov. (♂). J. M. ochreatus (Hull, 1964) comb. nov. (♂). K. M. tabanoides sp. nov. (♂). L. M. jacobi (Hervé-Bazin, 1913) comb. nov. (♂). M. M. nivalis (Hull, 1964) comb. nov. (♀)." figureDoi="http://doi.org/10.5281/zenodo.3849878" httpUri="https://zenodo.org/record/3849878/files/figure.png" pageId="19" pageNumber="20">Figs 1</figureCitation>
,
<figureCitation id="13789FEDFFF2EC04FE0DEC37FE7AF99F" box="[407,445,1606,1632]" captionStart="Fig" captionStartId="11.[189,232,1862,1888]" captionTargetBox="[189,1399,265,1837]" captionTargetId="figure@11.[189,1399,265,1837]" captionTargetPageId="11" captionText="Fig. 7. Megatrigon spp., abdomen, dorsal view, ♂. A. Megatrigon argenteus (Walker, 1852) comb. nov. B. M. argentifrons sp. nov. C. M. argentimaculatus sp. nov. D. M. magnicornis sp. nov. E. M. natalensis sp. nov. F. M. sexmaculatus sp. nov. G. M. apiformis sp. nov. H. M. cooksoni sp. nov. I. M. immaculatus sp. nov. J. M. ochreatus (Hull, 1964) comb. nov. K. M. tabanoides sp. nov. L. M. jacobi (Hervé-Bazin, 1913) comb. nov." figureDoi="http://doi.org/10.5281/zenodo.3849902" httpUri="https://zenodo.org/record/3849902/files/figure.png" pageId="19" pageNumber="20">7C</figureCitation>
). Tergites light yellow setose; tergites 2+3 with very large silver spots, covering most of the tergite’s width except for a narrow brown goblet–shaped median part; distance between silver spots on tergite 2 smaller, 0.19 × width of tergite; spots on tergite 3 not tapering towards the middle of tergite, but being more rounded; silver spots on tergites 2+3 covered with relatively long, dense, adpressed, yellow setae except antero-lateral corner; tergite 4 with two small indistinct microtrichiose spots near to anterior margin. Male genitalia in
<figureCitation id="13789FEDFFF2EC04FD70EC87FC9FF8EF" box="[746,856,1782,1808]" captionStart="Fig" captionStartId="16.[189,232,1825,1851]" captionTargetBox="[216,1374,263,1796]" captionTargetId="figure@16.[216,1374,263,1796]" captionTargetPageId="16" captionText="Fig. 10. Megatrigon spp., ♂ terminalia, epandrium, left lateral view. A. Megatrigon argenteus (Walker, 1852) comb. nov. B. M. argentifrons sp. nov. C. M. argentimaculatus sp. nov. D. M. magnicornis sp. nov. E. M. natalensis sp. nov. F. M. sexmaculatus sp. nov. G. M. apiformis sp. nov. H. M. cooksoni sp. nov. I. M. immaculatus sp. nov. J. M. ochreatus (Hull, 1964) comb. nov. K. M. tabanoides sp. nov. L. Megatrigon sp. from sexfasciatus group. M. M. nivalis. Symbols: x = ventral margin of median surstyle; y = posterior surstyle; z = cercus; w = subepandrial sclerite." figureDoi="http://doi.org/10.5281/zenodo.3849914" httpUri="https://zenodo.org/record/3849914/files/figure.png" pageId="19" pageNumber="20">Figs 10C</figureCitation>
,
<figureCitation id="13789FEDFFF2EC04FCFEEC87FC51F8EF" box="[868,918,1782,1808]" captionStart="Fig" captionStartId="17.[189,232,1758,1784]" captionTargetBox="[189,1399,340,1716]" captionTargetId="figure@17.[189,1399,340,1716]" captionTargetPageId="17" captionText="Fig. 11. Megatrigon spp., ♂ terminalia, hypandrium (A–M) and phallus (N), left lateral view. A. Megatrigon argenteus (Walker, 1852) comb. nov. B. M. argentifrons sp. nov. C. M. argentimaculatus sp. nov. D. M. magnicornis sp. nov. E. M. natalensis sp. nov. F. M. sexmaculatus sp. nov. G. M. apiformis sp. nov. H. M. cooksoni sp. nov. I. M. immaculatus sp. nov. J. M. ochreatus (Hull, 1964) comb. nov. K. M. tabanoides sp. nov. L. M. sp. from sexfasciatus group. M–N. M. nivalis (Hull, 1964) comb. nov. Symbol: x = hamus." figureDoi="http://doi.org/10.5281/zenodo.3849918" httpUri="https://zenodo.org/record/3849918/files/figure.png" pageId="19" pageNumber="20">11C</figureCitation>
,
<figureCitation id="13789FEDFFF2EC04FC38EC87FC10F8EF" box="[930,983,1782,1808]" captionStart="Fig" captionStartId="18.[189,232,1794,1820]" captionTargetBox="[189,1399,442,1753]" captionTargetId="figure@18.[189,1399,442,1753]" captionTargetPageId="18" captionText="Fig. 12. Megatrigon spp., ♂ terminalia, hypandrium, ventral view. A. Megatrigon argenteus (Walker, 1852) comb. nov. B. M. argentifrons sp. nov. C. M. argentimaculatus sp. nov. D. M. magnicornis sp. nov. E. M. natalensis sp. nov. F. M. apiformis sp. nov. G. M. cooksoni sp. nov. H. M. immaculatus sp. nov. I. M. ochreatus (Hull, 1964) comb. nov. J. M. tabanoides sp. nov. K. Megatrigon sp. from the sexfasciatus group. L. M. nivalis (Hull, 1964) comb. nov. Symbol: x = lateral ‘shoulders’." figureDoi="http://doi.org/10.5281/zenodo.3849922" httpUri="https://zenodo.org/record/3849922/files/figure.png" pageId="19" pageNumber="20">12C</figureCitation>
.
</paragraph>
</subSubSection>
<subSubSection id="C359D0E3FFF2EC04FF27ED46FCEBF87F" box="[189,812,1847,1920]" pageId="19" pageNumber="20" type="distribution">
<paragraph id="8BFC8368FFF2EC04FF27ED46FE91F8AE" blockId="19.[189,342,1847,1873]" box="[189,342,1847,1873]" pageId="19" pageNumber="20">
<heading id="D0B43404FFF2EC04FF27ED46FE91F8AE" bold="true" box="[189,342,1847,1873]" fontSize="11" level="3" pageId="19" pageNumber="20" reason="3">
<emphasis id="B9375F7AFFF2EC04FF27ED46FE91F8AE" bold="true" box="[189,342,1847,1873]" pageId="19" pageNumber="20">Distribution</emphasis>
</heading>
</paragraph>
<paragraph id="8BFC8368FFF2EC04FF27ED17FCEBF87F" blockId="19.[189,812,1893,1920]" box="[189,812,1893,1920]" pageId="19" pageNumber="20">
Afrotropical –
<collectingCountry id="F354C3F8FFF2EC04FEF1ED17FDC7F87F" box="[363,512,1894,1920]" name="South Africa" pageId="19" pageNumber="20">South Africa</collectingCountry>
(
<collectingRegion id="49874D8AFFF2EC04FD8BED17FD68F87F" box="[529,687,1894,1920]" country="South Africa" name="Eastern Cape" pageId="19" pageNumber="20">Eastern Cape</collectingRegion>
) (
<figureCitation id="13789FEDFFF2EC04FD5DED17FCD9F87F" box="[711,798,1893,1920]" captionStart="Fig" captionStartId="32.[189,232,1998,2024]" captionTargetBox="[189,1399,1370,1956]" captionTargetId="figure@32.[189,1399,1370,1956]" captionTargetPageId="32" captionText="Fig. 15. Megatrigon argenteus species group (subgroup 1), distribution." figureDoi="http://doi.org/10.5281/zenodo.3849934" httpUri="https://zenodo.org/record/3849934/files/figure.png" pageId="19" pageNumber="20">Fig. 15</figureCitation>
).
</paragraph>
</subSubSection>
</treatment>
</document>
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