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<document id="AC2D43B0BFCA861A9B8241F30236A062" ID-CLB-Dataset="21866" ID-DOI="10.5852/ejt.2016.238" ID-GBIF-Dataset="8b57d1e6-b2b7-4229-912a-c042457efaaf" ID-ISSN="2118-9773" ID-Zenodo-Dep="3849874" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" checkinTime="1590439951474" checkinUser="valdenar" docAuthor="Doczkal, Dieter, Radenković, Snežana, Lyneborg, Leif &amp; Pape, Thomas" docDate="2016" docId="03EA327EFFFAEC0BFDC7EB0AFD91F8C4" 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 tabanoides Doczkal &amp; Radenković &amp; Lyneborg &amp; Pape 2016, sp. nov." docType="treatment" docUuid="AF0AED98-F365-434F-A0FF-EA337D9374D7" docUuidSource="ZooBank" docVersion="8" lastPageNumber="29" masterDocId="FFD34A06FFE1EC17FF9AEA71FFC7FFFF" masterDocTitle="Taxonomic revision of the Afrotropical genus Megatrigon Johnson, 1898 (Diptera: Syrphidae)" masterLastPageNumber="36" masterPageNumber="1" pageNumber="28" updateTime="1698841263691" updateUser="ExternalLinkService" zenodo-license-document="CC-BY-3.0" zenodo-license-figures="CC-BY-3.0" zenodo-license-treatments="UNSPECIFIED">
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<mods:title id="4946369C37FBB88E19E872F4BB818328">Taxonomic revision of the Afrotropical genus Megatrigon Johnson, 1898 (Diptera: Syrphidae)</mods:title>
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<mods:namePart id="821995F8A3BFBA7F3C17D47E84640E85">Doczkal, Dieter</mods:namePart>
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<mods:affiliation id="7A10A4C43BF6AF4308FF4498E23E97FD">Bavarian State Collection of Zoology, Zoologische Staatssammlung, Munich, Germany. &amp; Email: doczkal @ zsm. mwn. de &amp; urn: lsid: zoobank. org: author: 79800 F 7 A-AA 21 - 4948 - AD 64 - 619 BD 5 FCBB 98</mods:affiliation>
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<mods:namePart id="69B3252EC9D7ED94C0C6FDCCFA8607EF">Radenković, Snežana</mods:namePart>
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<mods:affiliation id="630BB60AC67CD34F3835418427C462C4">University of Novi Sad, Department of Biology and Ecology, Trg Dositeja Obradovica 2, 21000 Novi Sad, Serbia. &amp; Email: snezana. radenkovic @ dbe. uns. ac. rs &amp; urn: lsid: zoobank. org: author: 26 DF 35 D 9 - 55 FA- 4485 - 8 E 8 C-C 1 F 90 EFE 1036</mods:affiliation>
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<mods:namePart id="D8C10B37D58AD03BC32C6C4DA762CC6E">Lyneborg, Leif</mods:namePart>
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<mods:affiliation id="59C2E0254F387C7E1CB059A5869A6CD9">Natural History Museum of Denmark, Universitetsparken 15, 2100 Copenhagen, Denmark. &amp; Corresponding author: tpape @ snm. ku. dk &amp; urn: lsid: zoobank. org: author: 1371 BF 99 - D 20 A- 47 B 9 - BA 9 D- 1 F 8 D 830 A 1 B 5 A &amp; Corresponding author: tpape @ snm. ku. dk</mods:affiliation>
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<taxonomicName id="4C43F8EBFFFAEC0CFDC7EB0AFCB3FE6A" ID-CoL="9HJHG" authority="Doczkal &amp; Radenković &amp; Lyneborg &amp; Pape, 2016" authorityName="Doczkal &amp; Radenković &amp; Lyneborg &amp; Pape" authorityYear="2016" box="[605,884,378,405]" class="Insecta" family="Syrphidae" genus="Megatrigon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Diptera" pageId="27" pageNumber="28" phylum="Arthropoda" rank="species" species="tabanoides" status="sp. nov.">
<emphasis id="B9375F7AFFFAEC0CFDC7EB0AFCB3FE6A" bold="true" box="[605,884,378,405]" italics="true" pageId="27" pageNumber="28">Megatrigon tabanoides</emphasis>
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<figureCitation id="13789FEDFFFAEC0CFD8CEBB0FDB4FE23" box="[534,627,449,476]" 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="27" pageNumber="28">Figs 1K</figureCitation>
, 
<figureCitation id="13789FEDFFFAEC0CFD18EBB0FD62FE24" box="[642,677,449,475]" 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="27" pageNumber="28">2L</figureCitation>
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<figureCitation id="13789FEDFFFAEC0CFD28EBB0FD12FE23" box="[690,725,449,476]" 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="27" pageNumber="28">3K</figureCitation>
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<figureCitation id="13789FEDFFFAEC0CFD7EEBB0FCCEFE23" box="[740,777,449,476]" captionStart="Fig" captionStartId="9.[189,232,1494,1520]" captionTargetBox="[189,1399,610,1456]" captionTargetId="figure@9.[189,1399,609,1457]" captionTargetPageId="9" captionText="Fig. 5. Megatrigon spp., right wing, ♁. A. Megatrigon apiformis sp. nov. B. M. cooksoni sp. nov. C. M. tabanoides sp. nov." figureDoi="http://doi.org/10.5281/zenodo.3849894" httpUri="https://zenodo.org/record/3849894/files/figure.png" pageId="27" pageNumber="28">5C</figureCitation>
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<figureCitation id="13789FEDFFFAEC0CFC8FEBB3FCFEFE23" box="[789,825,450,476]" 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="27" pageNumber="28">7K</figureCitation>
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<figureCitation id="13789FEDFFFAEC0CFCDDEBB0FCBDFE23" box="[839,890,449,476]" 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="27" pageNumber="28">10K</figureCitation>
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<figureCitation id="13789FEDFFFAEC0CFC13EBB0FC7DFE23" box="[905,954,449,476]" 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="27" pageNumber="28">11K</figureCitation>
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<figureCitation id="13789FEDFFFAEC0CFC53EBB0FC33FE24" box="[969,1012,449,475]" 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="27" pageNumber="28">12J</figureCitation>
, 
<figureCitation id="13789FEDFFFAEC0CFB9AEBB0FBDAFE24" box="[1024,1053,449,475]" captionStart="Fig" captionStartId="33.[189,232,1998,2024]" captionTargetBox="[189,1399,1372,1958]" captionTargetId="figure@33.[189,1399,1372,1958]" captionTargetPageId="33" captionText="Fig. 16. Megatrigon nivalis and M. argenteus species group (subgroup 2), distribution." figureDoi="http://doi.org/10.5281/zenodo.3849938" httpUri="https://zenodo.org/record/3849938/files/figure.png" pageId="27" pageNumber="28">16</figureCitation>
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<emphasis id="B9375F7AFFFAEC0CFF27E873FEF1FDE3" bold="true" box="[189,310,514,540]" pageId="27" pageNumber="28">Diagnosis</emphasis>
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Black, large species, with white microtrichiose stripes on tergites (
<figureCitation id="13789FEDFFFAEC0CFC5AE840FBE7FDB4" box="[960,1056,561,587]" 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="27" pageNumber="28">Figs 1H</figureCitation>
, 
<figureCitation id="13789FEDFFFAEC0CFBB6E843FB97FDB3" box="[1068,1104,562,588]" 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="27" pageNumber="28">7K</figureCitation>
); wing membrane brown along the veins (
<figureCitation id="13789FEDFFFAEC0CFE1BE825FE19FD90" box="[385,478,596,623]" captionStart="Fig" captionStartId="9.[189,232,1494,1520]" captionTargetBox="[189,1399,610,1456]" captionTargetId="figure@9.[189,1399,609,1457]" captionTargetPageId="9" captionText="Fig. 5. Megatrigon spp., right wing, ♁. A. Megatrigon apiformis sp. nov. B. M. cooksoni sp. nov. C. M. tabanoides sp. nov." figureDoi="http://doi.org/10.5281/zenodo.3849894" httpUri="https://zenodo.org/record/3849894/files/figure.png" pageId="27" pageNumber="28">Fig. 5C</figureCitation>
); alula bare of microtrichia at posterior margin; all tibiae orange without dark ring; tarsomeres 4–5 black dorsally (rest of tarsomeres can be shaded); only species with intraalar microtrichia on mesoscutum; postsutural pilosity of mesoscutum mainly black.
</paragraph>
</subSubSection>
<subSubSection id="C359D0E3FFFAEC0CFF27E8ADFAC7FCB7" pageId="27" pageNumber="28" type="etymology">
<paragraph id="8BFC8368FFFAEC0CFF27E8ADFE83FD09" blockId="27.[189,324,732,758]" box="[189,324,732,758]" pageId="27" pageNumber="28">
<heading id="D0B43404FFFAEC0CFF27E8ADFE83FD09" bold="true" box="[189,324,732,758]" fontSize="11" level="3" pageId="27" pageNumber="28" reason="3">
<emphasis id="B9375F7AFFFAEC0CFF27E8ADFE83FD09" bold="true" box="[189,324,732,758]" pageId="27" pageNumber="28">Etymology</emphasis>
</heading>
</paragraph>
<paragraph id="8BFC8368FFFAEC0CFF27E97AFAC7FCB7" blockId="27.[189,1399,779,841]" pageId="27" pageNumber="28">
The species epithet, which is formed as an adjective, is derived from the Latin word 
<emphasis id="B9375F7AFFFAEC0CFB35E97AFACBFCDA" box="[1199,1292,779,805]" italics="true" pageId="27" pageNumber="28">tabanus</emphasis>
(= horse fly), alluding to the resemblance of this species to a horse fly of the genus 
<emphasis id="B9375F7AFFFAEC0CFBB9E95FFB42FCB7" box="[1059,1157,814,840]" italics="true" pageId="27" pageNumber="28">Tabanus</emphasis>
Linnaeus.
</paragraph>
</subSubSection>
<subSubSection id="C359D0E3FFFAEC0CFF27E901FD97FAC8" pageId="27" pageNumber="28" type="materials_examined">
<paragraph id="8BFC8368FFFAEC0CFF27E901FEABFC76" blockId="27.[189,364,879,906]" box="[189,364,879,906]" pageId="27" pageNumber="28">
<heading id="D0B43404FFFAEC0CFF27E901FEABFC76" bold="true" box="[189,364,879,906]" fontSize="11" level="3" pageId="27" pageNumber="28" reason="3">
<emphasis id="B9375F7AFFFAEC0CFF27E901FEABFC76" bold="true" box="[189,364,879,906]" pageId="27" pageNumber="28">Type material</emphasis>
</heading>
</paragraph>
<paragraph id="8BFC8368FFFAEC0CFF70E9EFFE9BFC47" blockId="27.[189,1398,926,1023]" box="[234,348,926,952]" pageId="27" pageNumber="28">
<emphasis id="B9375F7AFFFAEC0CFF70E9EFFE9BFC47" bold="true" box="[234,348,926,952]" pageId="27" pageNumber="28">
<typeStatus id="54F83DCAFFFAEC0CFF70E9EFFE9BFC47" box="[234,348,926,952]" pageId="27" pageNumber="28" type="holotype">Holotype</typeStatus>
</emphasis>
</paragraph>
<paragraph id="8BFC8368FFFAEC0CFF27E9B0FCF7FC00" blockId="27.[189,1398,926,1023]" pageId="27" pageNumber="28">
<materialsCitation id="3B2B8935FFFAEC0CFF27E9B0FCF7FC00" ID-GBIF-Occurrence="2625488310" collectingDate="1981-08-31" collectionCode="NMSA" collectorName="J. Londt &amp; L. Schoeman &amp; B. Stuckenberg" country="South Africa" location="Lambert's Bay" pageId="27" pageNumber="28" specimenCount="1" stateProvince="Western Cape" typeStatus="holotype">
<collectingCountry id="F354C3F8FFFAEC0CFF27E9B0FE56FC24" box="[189,401,961,987]" name="South Africa" pageId="27" pageNumber="28">SOUTH AFRICA</collectingCountry>
: ♁, 
<collectingRegion id="49874D8AFFFAEC0CFE5FE9B3FDACFC24" box="[453,619,961,988]" country="South Africa" name="Western Cape" pageId="27" pageNumber="28">Western Cape</collectingRegion>
, 
<quantity id="4CBB2E8DFFFAEC0CFDE2E9B0FD74FC24" box="[632,691,961,988]" metricMagnitude="3" metricUnit="m" metricValue="5.0" pageId="27" pageNumber="28" unit="km" value="5.0">5 km</quantity>
E of 
<location id="8E9CD5B3FFFAEC0CFD6CE9B0FC62FC23" LSID="urn:lsid:plazi:treatment:03EA327EFFFAEC0BFDC7EB0AFD91F8C4:8E9CD5B3FFFAEC0CFD6CE9B0FC62FC23" box="[758,933,961,988]" country="South Africa" name="Lambert's Bay" pageId="27" pageNumber="28" stateProvince="Western Cape">Lambert’s Bay</location>
, westcoast strandveld, 
<date id="FFFDA5A8FFFAEC0CFB2FE9B0FA90FC24" box="[1205,1367,961,987]" pageId="27" pageNumber="28" value="1981-08-31">
<collectingDate id="EFB95C40FFFAEC0CFB2FE9B0FA90FC24" box="[1205,1367,961,987]" pageId="27" pageNumber="28" value="1981-08-31">31 Aug. 1981</collectingDate>
</date>
, 
<collectorName id="26B6E6BEFFFAEC0CFAFEE9B3FEC1FC01" pageId="27" pageNumber="28">J. Londt</collectorName>
, 
<collectorName id="26B6E6BEFFFAEC0CFE88E994FE6BFC01" box="[274,428,996,1023]" pageId="27" pageNumber="28">L. Schoeman</collectorName>
&amp; 
<collectorName id="26B6E6BEFFFAEC0CFE48E994FD41FC01" box="[466,646,996,1023]" pageId="27" pageNumber="28">B. Stuckenberg</collectorName>
leg. (
<collectionCode id="ED521BADFFFAEC0CFD50E994FCD8FC00" box="[714,799,997,1023]" 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="27" pageNumber="28" type="Museum">NMSA</collectionCode>
).
</materialsCitation>
</paragraph>
<paragraph id="8BFC8368FFFAEC0CFF70EE57FEA0FBBF" blockId="27.[189,1399,1062,1335]" box="[234,359,1062,1088]" pageId="27" pageNumber="28">
<emphasis id="B9375F7AFFFAEC0CFF70EE57FEA0FBBF" bold="true" box="[234,359,1062,1088]" pageId="27" pageNumber="28">
<typeStatus id="54F83DCAFFFAEC0CFF70EE57FEA0FBBF" box="[234,359,1062,1088]" pageId="27" pageNumber="28" type="paratype">Paratypes</typeStatus>
</emphasis>
</paragraph>
<paragraph id="8BFC8368FFFAEC0CFF27EE38FD97FAC8" blockId="27.[189,1399,1062,1335]" pageId="27" pageNumber="28">
<collectingCountry id="F354C3F8FFFAEC0CFF27EE38FE52FB9C" box="[189,405,1097,1123]" name="South Africa" pageId="27" pageNumber="28">SOUTH AFRICA</collectingCountry>
: 1 ♁, 
<collectingRegion id="49874D8AFFFAEC0CFE74EE38FD64FB9C" box="[494,675,1097,1123]" country="South Africa" name="Northern Cape" pageId="27" pageNumber="28">Northern Cape</collectingRegion>
, Bowesdorp, 
<date id="FFFDA5A8FFFAEC0CFCD4EE38FC0DFB9C" box="[846,970,1097,1123]" pageId="27" pageNumber="28" value="1941-09">Sep. 1941</date>
, museum staff leg. (
<collectionCode id="ED521BADFFFAEC0CFB51EE38FAE2FB9C" box="[1227,1317,1097,1123]" country="South Africa" httpUri="http://grbio.org/cool/94p5-pepz" name="Iziko Museums of Cape Town" pageId="27" pageNumber="28" type="Museum">SAMC</collectionCode>
); 1 ♁, 
<collectingRegion id="49874D8AFFFAEC0CFF27EE1DFEB6FB79" box="[189,369,1132,1158]" country="South Africa" name="Northern Cape" pageId="27" pageNumber="28">Northern Cape</collectingRegion>
, 
<quantity id="4CBB2E8DFFFAEC0CFE1BEE1DFE09FB79" box="[385,462,1132,1158]" metricMagnitude="4" metricUnit="m" metricValue="1.6" pageId="27" pageNumber="28" unit="km" value="16.0">16 km</quantity>
S of Steinkopf, 1 000 m, 
<date id="FFFDA5A8FFFAEC0CFC8DEE1DFC78FB79" box="[791,959,1132,1158]" pageId="27" pageNumber="28" value="1989-08-31">31 Aug. 1989</date>
, Stuckenberg, Londt &amp; Crosser leg. (
<collectionCode id="ED521BADFFFAEC0CFF5DEEE1FEDBFB55" box="[199,284,1168,1194]" 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="27" pageNumber="28" type="Museum">NMSA</collectionCode>
); 1 ♁, 
<collectingRegion id="49874D8AFFFAEC0CFEEFEEE1FDDBFB55" box="[373,540,1168,1194]" country="South Africa" name="Western Cape" pageId="27" pageNumber="28">Western Cape</collectingRegion>
, Pakhuis Pass, 1961, museum staff leg. (
<collectionCode id="ED521BADFFFAEC0CFB9CEEE1FBA7FB55" box="[1030,1120,1168,1194]" country="South Africa" httpUri="http://grbio.org/cool/94p5-pepz" name="Iziko Museums of Cape Town" pageId="27" pageNumber="28" type="Museum">SAMC</collectionCode>
); 2 ♁♁, 
<collectingRegion id="49874D8AFFFAEC0CFB50EEE1FAB5FB55" box="[1226,1394,1168,1194]" country="South Africa" name="Western Cape" pageId="27" pageNumber="28">Western Cape</collectingRegion>
, 
<quantity id="4CBB2E8DFFFAEC0CFF27EEC3FF30FB32" box="[189,247,1202,1229]" metricMagnitude="3" metricUnit="m" metricValue="5.0" pageId="27" pageNumber="28" unit="km" value="5.0">5 km</quantity>
E of Lambert’s Bay, 
<date id="FFFDA5A8FFFAEC0CFE77EEC2FD4BFB32" box="[493,652,1203,1229]" pageId="27" pageNumber="28" value="1981-08-31">31 Aug. 1981</date>
, Londt, Schoeman &amp; Stuckenberg leg. (
<collectionCode id="ED521BADFFFAEC0CFBC6EEC2FB76FB32" box="[1116,1201,1203,1229]" 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="27" pageNumber="28" type="Museum">NMSA</collectionCode>
); 2 ♁♁, 
<collectingRegion id="49874D8AFFFAEC0CFA8DEEC2FF3BFB0F" country="South Africa" name="Western Cape" pageId="27" pageNumber="28">Western Cape</collectingRegion>
, 
<collectingRegion id="49874D8AFFFAEC0CFE96EEA7FE8FFB0F" box="[268,328,1238,1264]" country="South Africa" name="Western Cape" pageId="27" pageNumber="28">Cape</collectingRegion>
Pen., Hout Bay, 
<date id="FFFDA5A8FFFAEC0CFDBAEEA7FD03FB0F" box="[544,708,1238,1264]" pageId="27" pageNumber="28" value="1967-09-11">11 Sep. 1967</date>
, E.S. Ross &amp; A.R. Stephen leg. (
<collectionCode id="ED521BADFFFAEC0CFBF8EEA7FB66FB0F" box="[1122,1185,1238,1264]" country="USA" httpUri="http://biocol.org/urn:lsid:biocol.org:col:15690" lsid="urn:lsid:biocol.org:col:34700" name="California Academy of Sciences" pageId="27" pageNumber="28" type="Museum">CAS</collectionCode>
); 3 ♁♁, N 
<collectingRegion id="49874D8AFFFAEC0CFAA9EEA7FAB5FB0F" box="[1331,1394,1238,1264]" country="South Africa" name="Western Cape" pageId="27" pageNumber="28">Cape</collectingRegion>
, Hantams Nat. Botanical Garden Neuwoudville, Rocky ridge, 
<quantity id="4CBB2E8DFFFAEC0CFC14EE88FC1DFAEB" box="[910,986,1273,1300]" metricMagnitude="2" metricUnit="m" metricValue="7.5" pageId="27" pageNumber="28" unit="m" value="750.0">750 m</quantity>
, 
<geoCoordinate id="EE77E5AFFFFAEC0CFC7DEE86FBB1FAEC" box="[999,1142,1271,1299]" degrees="31" direction="south" minutes="24" orientation="latitude" pageId="27" pageNumber="28" precision="15" seconds="49" value="-31.41361">31°24ʹ49″ S</geoCoordinate>
, 
<geoCoordinate id="EE77E5AFFFFAEC0CFB19EE86FAD4FAEC" box="[1155,1299,1271,1299]" degrees="19" direction="south" minutes="09" orientation="latitude" pageId="27" pageNumber="28" precision="15" seconds="35" value="-19.159721">19°09ʹ35″ S</geoCoordinate>
, 
<date id="FFFDA5A8FFFAEC0CFABAEE88FF3CFAC9" pageId="27" pageNumber="28" value="2012-09-11">11 Sep. 2012</date>
, J. &amp; A. Londt leg. (
<collectionCode id="ED521BADFFFAEC0CFE70EF6DFDF8FAC9" box="[490,575,1308,1334]" 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="27" pageNumber="28" type="Museum">NMSA</collectionCode>
).
</paragraph>
</subSubSection>
<subSubSection id="C359D0E3FFFAEC0BFF27EF2FFA81FE93" lastPageId="28" lastPageNumber="29" pageId="27" pageNumber="28" type="description">
<paragraph id="8BFC8368FFFAEC0CFF27EF2FFE89FA87" blockId="27.[189,334,1374,1400]" box="[189,334,1374,1400]" pageId="27" pageNumber="28">
<heading id="D0B43404FFFAEC0CFF27EF2FFE89FA87" bold="true" box="[189,334,1374,1400]" fontSize="11" level="3" pageId="27" pageNumber="28" reason="3">
<emphasis id="B9375F7AFFFAEC0CFF27EF2FFE89FA87" bold="true" box="[189,334,1374,1400]" pageId="27" pageNumber="28">Description</emphasis>
</heading>
</paragraph>
<paragraph id="8BFC8368FFFAEC0CFF27EFFCFD7FFA58" blockId="27.[189,696,1420,1447]" box="[189,696,1420,1447]" pageId="27" pageNumber="28">LENGTH. Body 12.0 mm, wing 7.5–8.0 mm.</paragraph>
<paragraph id="8BFC8368FFFAEC0CFF27EFBFFE1CF98B" blockId="27.[189,1398,1485,1652]" pageId="27" pageNumber="28">
HEAD (
<figureCitation id="13789FEDFFFAEC0CFE8AEFBFFEA8FA17" box="[272,367,1486,1512]" 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="27" pageNumber="28">Figs 2L</figureCitation>
, 
<figureCitation id="13789FEDFFFAEC0CFEE4EFBFFE62FA17" box="[382,421,1486,1512]" 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="27" pageNumber="28">3K</figureCitation>
). Distance between eyes, 0.16–0.17 width of head; the width of post-ocular orbit dorsally a little larger than in 
<taxonomicName id="4C43F8EBFFFAEC0CFD8DEF83FD76F9F4" authorityName="Doczkal &amp; Radenković &amp; Lyneborg &amp; Pape" authorityYear="2016" baseAuthorityName="Walker" baseAuthorityYear="1852" box="[535,689,1522,1547]" class="Insecta" family="Syrphidae" genus="Megatrigon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Diptera" pageId="27" pageNumber="28" phylum="Arthropoda" rank="species" species="argenteus" status="comb. nov.">
<emphasis id="B9375F7AFFFAEC0CFD8DEF83FD76F9F4" box="[535,689,1522,1547]" italics="true" pageId="27" pageNumber="28">M. argenteus</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A204E201FFFAEC0CFD22EF80FCFEF9F4" box="[696,825,1521,1547]" pageId="27" pageNumber="28" rank="species">comb. nov.</taxonomicNameLabel>
0.10–0.11 × width of head; microtrichia on head reduced: on face traces of microtrichia along eye margin, wide microtrichiose area below antennae continuing as tiny medial facial stripe; frons and vertex shiny; microtrichia on postocular orbit do not exceed postocular ridge.
</paragraph>
<paragraph id="8BFC8368FFFAEC0CFF27ECEDFBAAF926" blockId="27.[189,1398,1692,1754]" pageId="27" pageNumber="28">THORAX. Lateral microtrichiose stripes on mesoscutum missing, submedian stripes indistinct ending as a spot at the level of transverse suture, conspicuous intraalar microtrichiose stripe.</paragraph>
<paragraph id="8BFC8368FFFAEC0CFF27ED70FD92F8E5" blockId="27.[189,597,1792,1819]" box="[189,597,1792,1819]" pageId="27" pageNumber="28">
WING (
<figureCitation id="13789FEDFFFAEC0CFE94ED71FEADF8E4" box="[270,362,1792,1819]" captionStart="Fig" captionStartId="9.[189,232,1494,1520]" captionTargetBox="[189,1399,610,1456]" captionTargetId="figure@9.[189,1399,609,1457]" captionTargetPageId="9" captionText="Fig. 5. Megatrigon spp., right wing, ♁. A. Megatrigon apiformis sp. nov. B. M. cooksoni sp. nov. C. M. tabanoides sp. nov." figureDoi="http://doi.org/10.5281/zenodo.3849894" httpUri="https://zenodo.org/record/3849894/files/figure.png" pageId="27" pageNumber="28">Fig. 5C</figureCitation>
). Capitulum brown.
</paragraph>
<paragraph id="8BFC8368FFFAEC0CFF27ED33FB08F839" blockId="27.[189,1399,1858,1990]" pageId="27" pageNumber="28">LEGS. Pro- and mesofemur partly black, but orange at base, apex, and anteriorly in distal half; metafemur mainly black with blue or violet luster, but orange-brown at base and in some specimens also ventrally; hairs on legs mainly white with more or less numerous short black setae on all femora and tibiae, black long posteroapical tuft on metatibia, tarsi dorsally predominately covered by black setae.</paragraph>
<paragraph id="8BFC8368FFFDEC0BFF27EB7DFA81FE93" blockId="28.[189,1399,267,365]" pageId="28" pageNumber="29">
ABDOMEN (
<figureCitation id="13789FEDFFFDEC0BFEA6EB7AFE5CFEDA" box="[316,411,267,293]" 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="28" pageNumber="29">Figs 1K</figureCitation>
, 
<figureCitation id="13789FEDFFFDEC0BFE3DEB7DFE08FED9" box="[423,463,268,294]" 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="28" pageNumber="29">7K</figureCitation>
). tergites 2–4 black, with oblique white microtrichiose fasciae almost connected in the middle; triangular on tergite 2 and touching posterior corner, on tergites 3+4 separated from lateral margins (or barely touching on tergite 
<quantity id="4CBB2E8DFFFDEC0BFD1BEB23FD69FE93" box="[641,686,338,364]" metricMagnitude="-2" metricUnit="m" metricValue="7.62" pageId="28" pageNumber="29" unit="in" value="3.0">3 in</quantity>
some specimens). Male genitalia in 
<figureCitation id="13789FEDFFFDEC0BFBC1EB23FB00FE93" box="[1115,1223,338,364]" 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="28" pageNumber="29">Figs 10K</figureCitation>
, 
<figureCitation id="13789FEDFFFDEC0BFB4CEB23FAC0FE93" box="[1238,1287,338,364]" 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="28" pageNumber="29">11K</figureCitation>
, 
<figureCitation id="13789FEDFFFDEC0BFA8CEB23FA85FE93" box="[1302,1346,338,364]" 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="28" pageNumber="29">12J</figureCitation>
.
</paragraph>
</subSubSection>
<subSubSection id="C359D0E3FFFDEC0BFF27EBE2FC4CFDE2" pageId="28" pageNumber="29" type="distribution">
<paragraph id="8BFC8368FFFDEC0BFF27EBE2FE91FE52" blockId="28.[189,342,403,429]" box="[189,342,403,429]" pageId="28" pageNumber="29">
<heading id="D0B43404FFFDEC0BFF27EBE2FE91FE52" bold="true" box="[189,342,403,429]" fontSize="11" level="3" pageId="28" pageNumber="29" reason="3">
<emphasis id="B9375F7AFFFDEC0BFF27EBE2FE91FE52" bold="true" box="[189,342,403,429]" pageId="28" pageNumber="29">Distribution</emphasis>
</heading>
</paragraph>
<paragraph id="8BFC8368FFFDEC0BFF27EBB3FC11FE22" blockId="28.[189,982,450,477]" box="[189,982,450,477]" pageId="28" pageNumber="29">
Afrotropical – 
<collectingCountry id="F354C3F8FFFDEC0BFEF1EBB3FDC7FE23" box="[363,512,450,476]" name="South Africa" pageId="28" pageNumber="29">South Africa</collectingCountry>
(Northern and 
<collectingRegion id="49874D8AFFFDEC0BFD2EEBB3FC9EFE23" box="[692,857,450,476]" country="South Africa" name="Western Cape" pageId="28" pageNumber="29">Western Cape</collectingRegion>
) (
<figureCitation id="13789FEDFFFDEC0BFCEBEBB3FC0EFE22" box="[881,969,450,477]" captionStart="Fig" captionStartId="33.[189,232,1998,2024]" captionTargetBox="[189,1399,1372,1958]" captionTargetId="figure@33.[189,1399,1372,1958]" captionTargetPageId="33" captionText="Fig. 16. Megatrigon nivalis and M. argenteus species group (subgroup 2), distribution." figureDoi="http://doi.org/10.5281/zenodo.3849938" httpUri="https://zenodo.org/record/3849938/files/figure.png" pageId="28" pageNumber="29">Fig. 16</figureCitation>
).
</paragraph>
<paragraph id="8BFC8368FFFDEC0BFD3DE872FC4CFDE2" blockId="28.[679,907,515,541]" box="[679,907,515,541]" pageId="28" pageNumber="29">
<emphasis id="B9375F7AFFFDEC0BFD3DE872FC4CFDE2" bold="true" box="[679,907,515,541]" pageId="28" pageNumber="29">
<taxonomicName id="4C43F8EBFFFDEC0BFD3DE872FCFDFDE2" authorityName="Johnson" authorityYear="1898" box="[679,826,515,541]" class="Insecta" family="Syrphidae" genus="Megatrigon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Diptera" pageId="28" pageNumber="29" phylum="Arthropoda" rank="species" species="sexfasciatus">
<emphasis id="B9375F7AFFFDEC0BFD3DE872FCFDFDE2" bold="true" box="[679,826,515,541]" italics="true" pageId="28" pageNumber="29">sexfasciatus</emphasis>
</taxonomicName>
group
</emphasis>
</paragraph>
</subSubSection>
<subSubSection id="C359D0E3FFFDEC0BFF27E835FD91F8C4" pageId="28" pageNumber="29" type="diagnosis">
<paragraph id="8BFC8368FFFDEC0BFF27E835FEF1FDA1" blockId="28.[189,310,580,606]" box="[189,310,580,606]" pageId="28" pageNumber="29">
<heading id="D0B43404FFFDEC0BFF27E835FEF1FDA1" bold="true" box="[189,310,580,606]" fontSize="11" level="3" pageId="28" pageNumber="29" reason="3">
<emphasis id="B9375F7AFFFDEC0BFF27E835FEF1FDA1" bold="true" box="[189,310,580,606]" pageId="28" pageNumber="29">Diagnosis</emphasis>
</heading>
</paragraph>
<paragraph id="8BFC8368FFFDEC0BFF27E802FCBBFB62" blockId="28.[189,1399,627,1182]" pageId="28" pageNumber="29">
Katepisternum with a posterodorsal and a small posteroventral pile patch, with or without a few short setae below the dorsal patch. The bare, flat posterior margin of tergite 1 (almost) entirely without microtrichia. Base of wing entirely microtrichiose or at most with small bare areas in cells br, bm, or cup. Anepisternal setae saw-like. Tarsomere 1 of protarsus anterodorsally without black spinules between the yellow setae. ♁: Sternite 4 with inflated caudal lobes, partly without microtrichia, and with a small accessory lobe close to the base of the lobes. Genital pouch large, more than half as wide as abdominal segment 4 at anterior margin. Posterior surstyle lobe (
<figureCitation id="13789FEDFFFDEC0BFC35E937FBD3FC9E" box="[943,1044,838,865]" captionStart="Fig" captionStartId="30.[189,232,1894,1920]" captionTargetBox="[189,1398,875,1852]" captionTargetId="figure@30.[189,1398,875,1852]" captionTargetPageId="30" captionText="Fig. 13. Megatrigon spp., ♁ genitalia, lateral (A, F) and ventral (B–E, G) view (SEM). A–C. Megatrigon argenteus (Walker, 1852) comb. nov. D. M. magnicornis sp. nov. E. M. jacobi (Hervé-Bazin, 1913) comb. nov. F–G. Megatrigon sp. from the sexfasciatus group. Symbols: w = median surstyle; x = inner accessory lobe of median surstyle; y = posterior surstyle; z = subepandrial sclerite." figureDoi="http://doi.org/10.5281/zenodo.3849926" httpUri="https://zenodo.org/record/3849926/files/figure.png" pageId="28" pageNumber="29">Fig. 13E</figureCitation>
:y, F:y) straight, without hook, directed medially. Median surstyle lobe (
<figureCitation id="13789FEDFFFDEC0BFD02E918FCDAFC7B" box="[664,797,873,900]" captionStart="Fig" captionStartId="30.[189,232,1894,1920]" captionTargetBox="[189,1398,875,1852]" captionTargetId="figure@30.[189,1398,875,1852]" captionTargetPageId="30" captionText="Fig. 13. Megatrigon spp., ♁ genitalia, lateral (A, F) and ventral (B–E, G) view (SEM). A–C. Megatrigon argenteus (Walker, 1852) comb. nov. D. M. magnicornis sp. nov. E. M. jacobi (Hervé-Bazin, 1913) comb. nov. F–G. Megatrigon sp. from the sexfasciatus group. Symbols: w = median surstyle; x = inner accessory lobe of median surstyle; y = posterior surstyle; z = subepandrial sclerite." figureDoi="http://doi.org/10.5281/zenodo.3849926" httpUri="https://zenodo.org/record/3849926/files/figure.png" pageId="28" pageNumber="29">Fig. 13E, F</figureCitation>
:w) setose along posterior half of ventral margin, on median surface without accessory lobe, without microtrichia, its posterior end extended, forming a wide rounded lobe directed posteromedially. Cerci (
<figureCitation id="13789FEDFFFDEC0BFD4DE9C1FC86FC35" box="[727,833,944,970]" 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="28" pageNumber="29">Fig. 10L</figureCitation>
:z) with pointed apex, with sclerotized and setose ventral surface. Subepandrial sclerite strongly curved, its anterior part almost parallel to the posterior part, a complete sclerotized bridge at its anterior end, the posterior part microtrichiose on full length, without a bulging ‘pad’ (
<figureCitation id="13789FEDFFFDEC0BFE7DEE68FD90FBCB" box="[487,599,1049,1076]" captionStart="Fig" captionStartId="30.[189,232,1894,1920]" captionTargetBox="[189,1398,875,1852]" captionTargetId="figure@30.[189,1398,875,1852]" captionTargetPageId="30" captionText="Fig. 13. Megatrigon spp., ♁ genitalia, lateral (A, F) and ventral (B–E, G) view (SEM). A–C. Megatrigon argenteus (Walker, 1852) comb. nov. D. M. magnicornis sp. nov. E. M. jacobi (Hervé-Bazin, 1913) comb. nov. F–G. Megatrigon sp. from the sexfasciatus group. Symbols: w = median surstyle; x = inner accessory lobe of median surstyle; y = posterior surstyle; z = subepandrial sclerite." figureDoi="http://doi.org/10.5281/zenodo.3849926" httpUri="https://zenodo.org/record/3849926/files/figure.png" pageId="28" pageNumber="29">Fig. 13G</figureCitation>
:z). Hypandrium (
<figureCitation id="13789FEDFFFDEC0BFCBDEE68FC52FBCB" box="[807,917,1049,1076]" 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="28" pageNumber="29">Figs 11L</figureCitation>
, 
<figureCitation id="13789FEDFFFDEC0BFC39EE6BFC11FBCB" box="[931,982,1050,1076]" 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="28" pageNumber="29">12K</figureCitation>
) with a very wide base and lateral ‘shoulders’ between the wide proximal and the narrower distal part, apex slightly produced beyond ctenidium and blunt. Ejaculatory apodeme large. 
<specimenCount id="9D4548E1FFFDEC0BFC94EE11FCE1FB85" box="[782,806,1120,1146]" pageId="28" pageNumber="29" type="female">♀</specimenCount>
: tergite 5 and sternite 5 with posteriorly directed setae, ovipositor with moderately thick setae, without tooth.
</paragraph>
<paragraph id="8BFC8368FFFDEC0BFF27EEB4FE4EFB21" blockId="28.[189,393,1220,1247]" box="[189,393,1220,1247]" pageId="28" pageNumber="29">
<heading id="D0B43404FFFDEC0BFF27EEB4FE4EFB21" bold="true" box="[189,393,1220,1247]" fontSize="11" level="3" pageId="28" pageNumber="29" reason="3">
<emphasis id="B9375F7AFFFDEC0BFF27EEB4FE4EFB21" bold="true" box="[189,393,1220,1247]" pageId="28" pageNumber="29">Included species</emphasis>
</heading>
</paragraph>
<paragraph id="8BFC8368FFFDEC0BFF27EE85FADFFACE" blockId="28.[189,1318,1267,1400]" pageId="28" pageNumber="29">
<taxonomicName id="4C43F8EBFFFDEC0BFF27EE85FD59FAF1" authority="(Hull, 1964)" authorityName="Doczkal &amp; Radenković &amp; Lyneborg &amp; Pape" authorityYear="2016" baseAuthorityName="Hull" baseAuthorityYear="1964" box="[189,670,1267,1294]" class="Insecta" family="Syrphidae" genus="Megatrigon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Diptera" pageId="28" pageNumber="29" phylum="Arthropoda" rank="species" species="flavimarginatus" status="comb. nov.">
<emphasis id="B9375F7AFFFDEC0BFF27EE85FDC1FAF2" box="[189,518,1267,1293]" italics="true" pageId="28" pageNumber="29">Megatrigon flavimarginatus</emphasis>
(
<bibRefCitation id="EFD2FE99FFFDEC0BFD8CEE82FD51FAF1" author="Hull F. M." box="[534,662,1267,1294]" pageId="28" pageNumber="29" pagination="443 - 496" refId="ref16996" refString="Hull F. M. 1964. Diptera (Brachycera): Syrphidae. South African Animal Life 10: 443 - 496." type="journal article" year="1964">Hull, 1964</bibRefCitation>
)
</taxonomicName>
<taxonomicNameLabel id="A204E201FFFDEC0BFD3CEE82FCE0FAF1" box="[678,807,1267,1294]" pageId="28" pageNumber="29" rank="species">comb. nov.</taxonomicNameLabel>
(
<taxonomicName id="4C43F8EBFFFDEC0BFCA2EE85FC67FAF2" authorityName="Meigen" authorityYear="1822" box="[824,928,1268,1293]" class="Insecta" family="Syrphidae" genus="Eumerus" kingdom="Animalia" order="Diptera" pageId="28" pageNumber="29" phylum="Arthropoda" rank="genus">
<emphasis id="B9375F7AFFFDEC0BFCA2EE85FC67FAF2" box="[824,928,1268,1293]" italics="true" pageId="28" pageNumber="29">Eumerus</emphasis>
</taxonomicName>
; 
<typeStatus id="54F83DCAFFFDEC0BFC2AEE82FBD0FAF2" box="[944,1047,1267,1293]" pageId="28" pageNumber="29" type="holotype">holotype</typeStatus>
in BMNH, examined). 
<taxonomicName id="4C43F8EBFFFDEC0BFF27EF66FD55FACF" authority="(Herve-Bazin, 1913)" authorityName="Doczkal &amp; Radenković &amp; Lyneborg &amp; Pape" authorityYear="2016" baseAuthorityName="Herve-Bazin" baseAuthorityYear="1913" box="[189,658,1302,1328]" class="Insecta" family="Syrphidae" genus="Megatrigon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Diptera" pageId="28" pageNumber="29" phylum="Arthropoda" rank="species" species="jacobi" status="comb. nov.">
<emphasis id="B9375F7AFFFDEC0BFF27EF66FE5FFACF" box="[189,408,1302,1328]" italics="true" pageId="28" pageNumber="29">Megatrigon jacobi</emphasis>
(Hervé-Bazin, 1913)
</taxonomicName>
<taxonomicNameLabel id="A204E201FFFDEC0BFD03EF67FCDCFACE" box="[665,795,1302,1329]" pageId="28" pageNumber="29" rank="species">comb. nov.</taxonomicNameLabel>
(
<taxonomicName id="4C43F8EBFFFDEC0BFCB6EF66FC53FACF" authorityName="Meigen" authorityYear="1822" box="[812,916,1303,1328]" class="Insecta" family="Syrphidae" genus="Eumerus" kingdom="Animalia" order="Diptera" pageId="28" pageNumber="29" phylum="Arthropoda" rank="genus">
<emphasis id="B9375F7AFFFDEC0BFCB6EF66FC53FACF" box="[812,916,1303,1328]" italics="true" pageId="28" pageNumber="29">Eumerus</emphasis>
</taxonomicName>
; 
<typeStatus id="54F83DCAFFFDEC0BFC3EEF67FBCCFACF" box="[932,1035,1302,1328]" pageId="28" pageNumber="29" type="holotype">holotype</typeStatus>
in MRAC, examined).
</paragraph>
<paragraph id="8BFC8368FFFDEC0BFF41EF4BFB93FAAB" blockId="28.[189,1318,1267,1400]" box="[219,1108,1337,1364]" pageId="28" pageNumber="29">
= 
<taxonomicName id="4C43F8EBFFFDEC0BFF69EF4BFD90FAAC" authority="Hull, 1964" authorityName="Hull" authorityYear="1964" box="[243,599,1337,1363]" class="Insecta" family="Syrphidae" genus="Eumerus" kingdom="Animalia" order="Diptera" pageId="28" pageNumber="29" phylum="Arthropoda" rank="species" species="connexus">
<emphasis id="B9375F7AFFFDEC0BFF69EF4BFE17FAAC" box="[243,464,1338,1363]" italics="true" pageId="28" pageNumber="29">Eumerus connexus</emphasis>
<bibRefCitation id="EFD2FE99FFFDEC0BFE4DEF48FD90FAAC" author="Hull F. M." box="[471,599,1337,1363]" pageId="28" pageNumber="29" pagination="443 - 496" refId="ref16996" refString="Hull F. M. 1964. Diptera (Brachycera): Syrphidae. South African Animal Life 10: 443 - 496." type="journal article" year="1964">Hull, 1964</bibRefCitation>
</taxonomicName>
, 
<taxonomicNameLabel id="A204E201FFFDEC0BFDF9EF4BFD0AFAAB" box="[611,717,1338,1364]" pageId="28" pageNumber="29">syn. nov.</taxonomicNameLabel>
(
<typeStatus id="54F83DCAFFFDEC0BFD41EF48FC83FAAC" box="[731,836,1337,1363]" pageId="28" pageNumber="29" type="holotype">holotype</typeStatus>
in BMNH, examined).
</paragraph>
<paragraph id="8BFC8368FFFDEC0BFF27EF2FFBD2FA87" blockId="28.[189,1318,1267,1400]" box="[189,1045,1373,1400]" pageId="28" pageNumber="29">
<taxonomicName id="4C43F8EBFFFDEC0BFF27EF2FFD49FA88" authority="Johnson, 1898" authorityName="Johnson" authorityYear="1898" box="[189,654,1373,1399]" class="Insecta" family="Syrphidae" genus="Megatrigon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Diptera" pageId="28" pageNumber="29" phylum="Arthropoda" rank="species" species="sexfasciatus">
<emphasis id="B9375F7AFFFDEC0BFF27EF2FFE1AFA88" box="[189,477,1373,1399]" italics="true" pageId="28" pageNumber="29">Megatrigon sexfasciatus</emphasis>
<bibRefCitation id="EFD2FE99FFFDEC0BFE7EEF2CFD49FA88" author="Johnson C. W." box="[484,654,1373,1399]" pageId="28" pageNumber="29" pagination="157 - 164" refId="ref17020" refString="Johnson C. W. 1898. Diptera collected by Dr. A. Donaldson Smith in Somaliland, eastern Africa. Proceedings of the Academy of Natural Sciences Philadelphia 50: 157 - 164. Available from http: // biodiversitylibrary. org / page / 26368835 [accessed 6 Sep. 2016]" type="journal article" year="1898">Johnson, 1898</bibRefCitation>
</taxonomicName>
(
<typeStatus id="54F83DCAFFFDEC0BFD07EF2CFCC1FA88" box="[669,774,1373,1399]" pageId="28" pageNumber="29" type="holotype">holotype</typeStatus>
in BMNH, examined).
</paragraph>
<paragraph id="8BFC8368FFFDEC0BFF27EFEEFD91F8C4" blockId="28.[189,1399,1438,1851]" pageId="28" pageNumber="29">
Due to the lack of sufficient material, the species of the 
<taxonomicName id="4C43F8EBFFFDEC0BFCE9EFEFFBC6FA47" authorityName="Johnson" authorityYear="1898" box="[883,1025,1438,1464]" class="Insecta" family="Syrphidae" genus="Megatrigon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Diptera" pageId="28" pageNumber="29" phylum="Arthropoda" rank="species" species="sexfasciatus">
<emphasis id="B9375F7AFFFDEC0BFCE9EFEFFBC6FA47" box="[883,1025,1438,1464]" italics="true" pageId="28" pageNumber="29">sexfasciatus</emphasis>
</taxonomicName>
group are not (re)described in the present account. 
<taxonomicName id="4C43F8EBFFFDEC0BFE2BEFB3FD4AFA24" authorityName="Doczkal &amp; Radenković &amp; Lyneborg &amp; Pape" authorityYear="2016" baseAuthorityName="Herve-Bazin" baseAuthorityYear="1913" box="[433,653,1473,1499]" class="Insecta" family="Syrphidae" genus="Megatrigon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Diptera" pageId="28" pageNumber="29" phylum="Arthropoda" rank="species" species="jacobi" status="comb. nov.">
<emphasis id="B9375F7AFFFDEC0BFE2BEFB3FD4AFA24" box="[433,653,1473,1499]" italics="true" pageId="28" pageNumber="29">Megatrigon jacobi</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A204E201FFFDEC0BFD0FEFB0FCDFFA23" box="[661,792,1473,1500]" pageId="28" pageNumber="29" rank="species">comb. nov.</taxonomicNameLabel>
(
<figureCitation id="13789FEDFFFDEC0BFCB2EFB0FC41FA23" box="[808,902,1473,1500]" 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="28" pageNumber="29">Figs 1L</figureCitation>
, 
<figureCitation id="13789FEDFFFDEC0BFC0EEFB3FC07FA23" box="[916,960,1474,1500]" 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="28" pageNumber="29">2M</figureCitation>
, 
<figureCitation id="13789FEDFFFDEC0BFC57EFB3FC37FA23" box="[973,1008,1474,1500]" 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="28" pageNumber="29">3L</figureCitation>
, 
<figureCitation id="13789FEDFFFDEC0BFC67EFB3FBE7FA23" box="[1021,1056,1474,1500]" 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="28" pageNumber="29">7L</figureCitation>
, 
<figureCitation id="13789FEDFFFDEC0BFBB7EFB3FB9BFA23" box="[1069,1116,1474,1500]" captionStart="Fig" captionStartId="30.[189,232,1894,1920]" captionTargetBox="[189,1398,875,1852]" captionTargetId="figure@30.[189,1398,875,1852]" captionTargetPageId="30" captionText="Fig. 13. Megatrigon spp., ♁ genitalia, lateral (A, F) and ventral (B–E, G) view (SEM). A–C. Megatrigon argenteus (Walker, 1852) comb. nov. D. M. magnicornis sp. nov. E. M. jacobi (Hervé-Bazin, 1913) comb. nov. F–G. Megatrigon sp. from the sexfasciatus group. Symbols: w = median surstyle; x = inner accessory lobe of median surstyle; y = posterior surstyle; z = subepandrial sclerite." figureDoi="http://doi.org/10.5281/zenodo.3849926" httpUri="https://zenodo.org/record/3849926/files/figure.png" pageId="28" pageNumber="29">13E</figureCitation>
) is a distinctive species readily recognised by the reduced mouthparts and related features of the lower parts of the head (similar to 
<taxonomicName id="4C43F8EBFFFDEC0BFF40EC79FDA1F9DD" authority="Hull, 1944" authorityName="Hull" authorityYear="1944" box="[218,614,1544,1570]" class="Insecta" family="Syrphidae" genus="Merodon" kingdom="Animalia" order="Diptera" pageId="28" pageNumber="29" phylum="Arthropoda" rank="species" species="bombiformis">
<emphasis id="B9375F7AFFFDEC0BFF40EC79FE18F9DD" box="[218,479,1544,1570]" italics="true" pageId="28" pageNumber="29">Merodon bombiformis</emphasis>
Hull, 1944
</taxonomicName>
). The identity of 
<taxonomicName id="4C43F8EBFFFDEC0BFCB1EC78FC18F9DD" authorityName="Johnson" authorityYear="1898" box="[811,991,1544,1570]" class="Insecta" family="Syrphidae" genus="Megatrigon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Diptera" pageId="28" pageNumber="29" phylum="Arthropoda" rank="species" species="sexfasciatus">
<emphasis id="B9375F7AFFFDEC0BFCB1EC78FC18F9DD" box="[811,991,1544,1570]" italics="true" pageId="28" pageNumber="29">M. sexfasciatus</emphasis>
</taxonomicName>
remains obscure. The material that has been available for the present study consists of males of several species that in external characters are very similar to the female 
<typeStatus id="54F83DCAFFFDEC0BFDAFEC3FFD5BF997" box="[565,668,1614,1640]" pageId="28" pageNumber="29" type="holotype">holotype</typeStatus>
of 
<taxonomicName id="4C43F8EBFFFDEC0BFD51EC3EFC43F997" authorityName="Johnson" authorityYear="1898" box="[715,900,1614,1640]" class="Insecta" family="Syrphidae" genus="Megatrigon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Diptera" pageId="28" pageNumber="29" phylum="Arthropoda" rank="species" species="sexfasciatus">
<emphasis id="B9375F7AFFFDEC0BFD51EC3EFC43F997" box="[715,900,1614,1640]" italics="true" pageId="28" pageNumber="29">M. sexfasciatus</emphasis>
</taxonomicName>
. At present we cannot assign any of the available males to the nominal taxon 
<taxonomicName id="4C43F8EBFFFDEC0BFD1EEC03FCFBF973" authorityName="Johnson" authorityYear="1898" box="[644,828,1650,1676]" class="Insecta" family="Syrphidae" genus="Megatrigon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Diptera" pageId="28" pageNumber="29" phylum="Arthropoda" rank="species" species="sexfasciatus">
<emphasis id="B9375F7AFFFDEC0BFD1EEC03FCFBF973" box="[644,828,1650,1676]" italics="true" pageId="28" pageNumber="29">M. sexfasciatus</emphasis>
</taxonomicName>
. There are several ‘morphs’ similar to the type of 
<taxonomicName id="4C43F8EBFFFDEC0BFF44ECE4FE7AF950" authorityName="Doczkal &amp; Radenković &amp; Lyneborg &amp; Pape" authorityYear="2016" baseAuthorityName="Hull" baseAuthorityYear="1964" box="[222,445,1685,1711]" class="Insecta" family="Syrphidae" genus="Megatrigon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Diptera" pageId="28" pageNumber="29" phylum="Arthropoda" rank="species" species="flavimarginatus" status="comb. nov.">
<emphasis id="B9375F7AFFFDEC0BFF44ECE4FE7AF950" box="[222,445,1685,1711]" italics="true" pageId="28" pageNumber="29">M. flavimarginatus</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A204E201FFFDEC0BFE5CECE5FD8EF950" box="[454,585,1684,1711]" pageId="28" pageNumber="29" rank="species">comb. nov.</taxonomicNameLabel>
in the available material. However, as most of these are represented by singletons, we are unable to assess the significance of the observed, often slight, morphological differences and for that reason we refrain from describing them here. More material in good condition is needed to uncover the species diversity in the 
<taxonomicName id="4C43F8EBFFFDEC0BFD47EC8FFCACF8E7" authorityName="Johnson" authorityYear="1898" box="[733,875,1790,1816]" class="Insecta" family="Syrphidae" genus="Megatrigon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Diptera" pageId="28" pageNumber="29" phylum="Arthropoda" rank="species" species="sexfasciatus">
<emphasis id="B9375F7AFFFDEC0BFD47EC8FFCACF8E7" box="[733,875,1790,1816]" italics="true" pageId="28" pageNumber="29">sexfasciatus</emphasis>
</taxonomicName>
group, but we expect that a good number of distinct species will be discovered.
</paragraph>
</subSubSection>
</treatment>
</document>