507 lines
89 KiB
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507 lines
89 KiB
XML
<document id="2C59D878A32E293DEFF9CACACEA0F93B" 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 & Pape, Thomas" docDate="2016" docId="03EA327EFFFDEC37FF27ED17FAB0FB32" 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 Doczkal, Radenković, Lyneborg & Pape, 2016, comb. nov." docType="key" docVersion="6" lastPageNumber="33" masterDocId="FFD34A06FFE1EC17FF9AEA71FFC7FFFF" masterDocTitle="Taxonomic revision of the Afrotropical genus Megatrigon Johnson, 1898 (Diptera: Syrphidae)" masterLastPageNumber="36" masterPageNumber="1" pageNumber="29" 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="0BBA34A0E1A007F6FDD969E7B0966142">Taxonomic revision of the Afrotropical genus Megatrigon Johnson, 1898 (Diptera: Syrphidae)</mods:title>
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<mods:namePart id="5612AE00420F72B09CF7AECC115F7E44">Doczkal, Dieter</mods:namePart>
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<mods:affiliation id="1E16A32E442F38BCB833A7921D90A999">Bavarian State Collection of Zoology, Zoologische Staatssammlung, Munich, Germany. & Email: doczkal @ zsm. mwn. de & 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:nameIdentifier id="6B5D730D91029639D616FD39859BC3E6" type="email">doczkal@zsm.mwn.de</mods:nameIdentifier>
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<mods:namePart id="339AE293109EC3CC4F545A339FFD6CE6">Radenković, Snežana</mods:namePart>
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<mods:affiliation id="6495790A51485EC57DEB76D291DA4EAC">University of Novi Sad, Department of Biology and Ecology, Trg Dositeja Obradovica 2, 21000 Novi Sad, Serbia. & Email: snezana. radenkovic @ dbe. uns. ac. rs & 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:nameIdentifier id="F76AFD46296CB546D26A01FD4002AADF" type="email">snezana.radenkovic@dbe.uns.ac.rs</mods:nameIdentifier>
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<mods:namePart id="E1E02EDAE154EE521FBB8F31B2E390A5">Lyneborg, Leif</mods:namePart>
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<mods:affiliation id="3745B5C54BBBE892F7839E865D249693">Deceased 10 September 2006, former address: Natural History Museum of Denmark, Universitetsparken 15, 2100 Copenhagen, Denmark. & urn: lsid: zoobank. org: author: DAEF 2 A 0 D- 7 A 43 - 4 CF 8 - 8 E 31 - 376 C 0 B 188 EC 6</mods:affiliation>
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<mods:namePart id="1DC2A046A327E6149DB854B32ABCBBFC">Pape, Thomas</mods:namePart>
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<mods:affiliation id="58E32B23845B5BF33E18912913518268">Natural History Museum of Denmark, Universitetsparken 15, 2100 Copenhagen, Denmark. & Corresponding author: tpape @ snm. ku. dk & 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 & Corresponding author: tpape @ snm. ku. dk</mods:affiliation>
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<mods:nameIdentifier id="F48EC865CE42121B33D50F401938D3F1" type="email">tpape@snm.ku.dk&tpape@snm.ku.dk</mods:nameIdentifier>
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<mods:title id="4AC74DA195D2C5B4211F130B8C485077">European Journal of Taxonomy</mods:title>
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<mods:date id="2038146250509B71EF27090A442CE379">2016</mods:date>
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<mods:number id="CED5EA082108FC507443D6CA2EBAC1C5">2016-10-20</mods:number>
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<mods:identifier id="6CBA9239641200598B04D6E97BE650EF" type="CLB-Dataset">21866</mods:identifier>
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<treatment id="03EA327EFFFDEC37FF27ED17FAB0FB32" ID-DOI="http://doi.org/10.5281/zenodo.3854648" ID-GBIF-Taxon="164283046" ID-Zenodo-Dep="3854648" LSID="urn:lsid:plazi:treatment:03EA327EFFFDEC37FF27ED17FAB0FB32" httpUri="http://treatment.plazi.org/id/03EA327EFFFDEC37FF27ED17FAB0FB32" lastPageId="32" lastPageNumber="33" pageId="28" pageNumber="29">
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<subSubSection id="C359D0E3FFFDEC0AFF27ED17FC0DFE70" lastPageId="29" lastPageNumber="30" pageId="28" pageNumber="29" type="nomenclature">
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<paragraph id="8BFC8368FFFDEC0BFF27ED17FDA4F87A" blockId="28.[189,611,1894,1925]" box="[189,611,1894,1925]" pageId="28" pageNumber="29">
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<heading id="D0B43404FFFDEC0BFF27ED17FDA4F87A" bold="true" box="[189,611,1894,1925]" fontSize="13" level="1" pageId="28" pageNumber="29" reason="1">
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<emphasis id="B9375F7AFFFDEC0BFF27ED17FDA4F87A" bold="true" box="[189,611,1894,1925]" pageId="28" pageNumber="29">
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Key to species of
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<taxonomicName id="4C43F8EBFFFDEC0BFE21ED17FDA4F87A" ID-CoL="9HGXQ" ID-ENA="1928124" authorityName="Johnson" authorityYear="1898" box="[443,611,1894,1925]" class="Insecta" family="Syrphidae" genus="Megatrigon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Diptera" pageId="28" pageNumber="29" phylum="Arthropoda" rank="genus">
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<emphasis id="B9375F7AFFFDEC0BFE21ED17FDA4F87A" bold="true" box="[443,611,1894,1925]" italics="true" pageId="28" pageNumber="29">Megatrigon</emphasis>
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</taxonomicName>
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</emphasis>
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</heading>
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</paragraph>
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<paragraph id="8BFC8368FFFDEC0AFF27EDEAFC0DFE70" blockId="28.[189,1398,1947,2009]" lastBlockId="29.[189,1399,267,399]" lastPageId="29" lastPageNumber="30" pageId="28" pageNumber="29">
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The currently known species are probably a fraction only of the species actually in existence, and users of the key should expect to encounter species that are not included. The key should be used mainly as a step in the identification process, and proper identification requires comparisons with the diagnoses and descriptions, including a thorough study of the terminalia. As the identification of females is still unresolved and/or the assignment to the corresponding males is uncertain, the key can be used for males only (except for the very distinct female of
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<taxonomicName id="4C43F8EBFFFCEC0AFD21EB07FCF7FE70" authorityName="Doczkal & Radenković & Lyneborg & Pape" authorityYear="2016" baseAuthorityName="Hull" baseAuthorityYear="1964" box="[699,816,373,399]" class="Insecta" family="Syrphidae" genus="Megatrigon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Diptera" pageId="29" pageNumber="30" phylum="Arthropoda" rank="species" species="nivalis" status="comb. nov.">
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<emphasis id="B9375F7AFFFCEC0AFD21EB07FCF7FE70" box="[699,816,373,399]" italics="true" pageId="29" pageNumber="30">M. nivalis</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="A204E201FFFCEC0AFCA2EB04FC7AFE70" box="[824,957,373,399]" pageId="29" pageNumber="30" rank="species">comb. nov.</taxonomicNameLabel>
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).
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</paragraph>
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||
</subSubSection>
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||
<subSubSection id="C359D0E3FFFCEC37FF27EBC7FAB0FB32" lastPageId="32" lastPageNumber="33" pageId="29" pageNumber="30" type="key">
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<key id="FFD2D459FFFCEC37FF27EBC7FAB0FB32" lastPageId="32" lastPageNumber="33" pageId="29" pageNumber="30">
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<keyStep id="30B79BCDFFFCEC0AFF27EBC7FAB1FCCF" pageId="29" pageNumber="30">
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<paragraph id="8BFC8368FFFCEC0AFF27EBC7FAB1FD7F" blockId="29.[189,1399,438,817]" pageId="29" pageNumber="30">
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<keyLead id="30B2205DFFFCEC0AFF27EBC7FAB1FD7F" pageId="29" pageNumber="30">
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1. Katepisternum posteriorly setose over (almost) full width.Wing base extensively bare of microtrichia, esp. large parts of cells c, r
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<subScript id="17C7812DFFFCEC0AFDBCEB9AFDE8FE06" attach="left" box="[550,559,491,505]" fontSize="6" pageId="29" pageNumber="30">1</subScript>
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, br, bm, and cup. The bare flat posterior margin of tergite 1 extensively microtrichiose. Thoracic setae not feathered but thickened and strongly glistening. ♁ terminalia with posterior surstyle lobe directed posteriorly, with a small hook at apex (
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<figureCitation id="13789FEDFFFCEC0AFBF4E851FB23FDC5" box="[1134,1252,544,570]" 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="29" pageNumber="30">Fig. 10M</figureCitation>
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:y).
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<specimenCount id="9D4548E1FFFCEC0AFA94E851FAE3FDC5" box="[1294,1316,544,570]" pageId="29" pageNumber="30" type="female">♀</specimenCount>
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tergite 5 and sternite 5 with anteriorly directed setae (
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<figureCitation id="13789FEDFFFCEC0AFC94E832FC92FDA2" box="[782,853,579,605]" captionStart="Fig" captionStartId="12.[189,232,1964,1990]" captionTargetBox="[189,1399,1325,1924]" captionTargetId="figure@12.[189,1399,1325,1924]" captionTargetPageId="12" captionText="Fig. 8. Megatrigon nivalis (Hull, 1964) comb. nov., abdomen, dorsal view, ♀. A. Habitus, Terminalia withdrawn. B. Terminalia extended. C. Ovipositor. Symbols: x = tergite 5; y = subapical tooth." figureDoi="http://doi.org/10.5281/zenodo.3849906" httpUri="https://zenodo.org/record/3849906/files/figure.png" pageId="29" pageNumber="30">Fig. 8</figureCitation>
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A–B), ovipositor with a subapical dorsal tooth (
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<figureCitation id="13789FEDFFFCEC0AFF69E817FE96FD7F" box="[243,337,614,640]" captionStart="Fig" captionStartId="12.[189,232,1964,1990]" captionTargetBox="[189,1399,1325,1924]" captionTargetId="figure@12.[189,1399,1325,1924]" captionTargetPageId="12" captionText="Fig. 8. Megatrigon nivalis (Hull, 1964) comb. nov., abdomen, dorsal view, ♀. A. Habitus, Terminalia withdrawn. B. Terminalia extended. C. Ovipositor. Symbols: x = tergite 5; y = subapical tooth." figureDoi="http://doi.org/10.5281/zenodo.3849906" httpUri="https://zenodo.org/record/3849906/files/figure.png" pageId="29" pageNumber="30">Fig. 8C</figureCitation>
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) …………………………
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<emphasis id="B9375F7AFFFCEC0AFD11E817FCF6FD7E" bold="true" box="[651,817,614,641]" pageId="29" pageNumber="30">
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<taxonomicName id="4C43F8EBFFFCEC0AFD11E817FD1CFD7E" authorityName="Doczkal & Radenković & Lyneborg & Pape" authorityYear="2016" baseAuthorityName="Hull" baseAuthorityYear="1964" box="[651,731,614,641]" class="Insecta" family="Syrphidae" genus="Megatrigon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Diptera" pageId="29" pageNumber="30" phylum="Arthropoda" rank="species" species="nivalis">
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<emphasis id="B9375F7AFFFCEC0AFD11E817FD1CFD7E" bold="true" box="[651,731,614,641]" italics="true" pageId="29" pageNumber="30">nivalis</emphasis>
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</taxonomicName>
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group
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</emphasis>
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:
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<taxonomicName id="4C43F8EBFFFCEC0AFCDFE816FBA4FD7E" authority="(Hull, 1964)" authorityName="Doczkal & Radenković & Lyneborg & Pape" authorityYear="2016" baseAuthorityName="Hull" baseAuthorityYear="1964" box="[837,1123,614,641]" class="Insecta" family="Syrphidae" genus="Megatrigon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Diptera" pageId="29" pageNumber="30" phylum="Arthropoda" rank="species" species="nivalis" status="comb. nov.">
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<emphasis id="B9375F7AFFFCEC0AFCDFE816FC05FD7E" bold="true" box="[837,962,614,641]" italics="true" pageId="29" pageNumber="30">M. nivalis</emphasis>
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(
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<bibRefCitation id="EFD2FE99FFFCEC0AFC4CE817FB9CFD7E" author="Hull F. M." box="[982,1115,614,641]" pageId="29" pageNumber="30" 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>
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)
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</taxonomicName>
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<taxonomicNameLabel id="A204E201FFFCEC0AFBF5E817FB32FD7E" box="[1135,1269,614,641]" pageId="29" pageNumber="30" rank="species">comb. nov.</taxonomicNameLabel>
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(
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<figureCitation id="13789FEDFFFCEC0AFA93E817FAAAFD7F" box="[1289,1389,614,640]" 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="29" pageNumber="30">Fig. 1M</figureCitation>
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)
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</keyLead>
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</paragraph>
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<paragraph id="8BFC8368FFFCEC0AFF5BE8FBFAB1FCCF" blockId="29.[189,1399,438,817]" pageId="29" pageNumber="30">
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<keyLead id="30B2205DFFFCEC0AFF5BE8FBFAB1FCCF" pageId="29" pageNumber="30">
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– Katepisternum either without setae between the dorsal and the ventral pile patches or with a few short setae below the dorsal patch. Wings either entirely microtrichiose or with small areas in cells br, bm, and/or cup bare of microtrichia.The bare flat posterior margin of tergite 1 (almost) bare of microtrichia. Thoracic setae serrate. ♁ terminalia with posterior surstyle lobe directed medially (
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<figureCitation id="13789FEDFFFCEC0AFA9BE882FF39FCCE" 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="29" pageNumber="30">Fig. 13B, F</figureCitation>
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:y).
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<specimenCount id="9D4548E1FFFCEC0AFEB7E966FE84FCCE" box="[301,323,791,817]" pageId="29" pageNumber="30" type="female">♀</specimenCount>
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tergite 5 and sternite 5 with posteriorly directed setae, ovipositor without a tooth ……2
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</keyLead>
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</paragraph>
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</keyStep>
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<keyStep id="30B79BCDFFFCEC0AFF27E929FAB1FBDD" pageId="29" pageNumber="30">
|
||
<paragraph id="8BFC8368FFFCEC0AFF27E929FAB0FC23" blockId="29.[189,1399,856,1058]" pageId="29" pageNumber="30">
|
||
<keyLead id="30B2205DFFFCEC0AFF27E929FAB0FC23" pageId="29" pageNumber="30">
|
||
2. Posterior surstyle lobe straight, without hook (
|
||
<figureCitation id="13789FEDFFFCEC0AFCCCE929FC0FFC8D" box="[854,968,856,882]" 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="29" pageNumber="30">Fig. 13E</figureCitation>
|
||
:y, F:y). Sternite 4 with inflated caudal lobes, each of which bears a small process on their median margin (usually visible only when the terminalia are extended), and with some part bare of microtrichia ……………………………………………
|
||
<emphasis id="B9375F7AFFFCEC0AFD47E9B0FC06FC23" bold="true" box="[733,961,961,988]" pageId="29" pageNumber="30">
|
||
<taxonomicName id="4C43F8EBFFFCEC0AFD47E9B0FCB7FC24" ID-CoL="8CS9H" authorityName="Johnson" authorityYear="1898" box="[733,880,961,987]" class="Insecta" family="Syrphidae" genus="Megatrigon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Diptera" pageId="29" pageNumber="30" phylum="Arthropoda" rank="species" species="sexfasciatus">
|
||
<emphasis id="B9375F7AFFFCEC0AFD47E9B0FCB7FC24" bold="true" box="[733,880,961,987]" italics="true" pageId="29" pageNumber="30">sexfasciatus</emphasis>
|
||
</taxonomicName>
|
||
group
|
||
</emphasis>
|
||
[not treated here at the species level]
|
||
</keyLead>
|
||
</paragraph>
|
||
<paragraph id="8BFC8368FFFCEC0AFF5BE994FAB1FBDD" blockId="29.[189,1399,856,1058]" pageId="29" pageNumber="30">
|
||
<keyLead id="30B2205DFFFCEC0AFF5BE994FAB1FBDD" pageId="29" pageNumber="30">
|
||
– Posterior surstyle lobe forming a strong twisted hook(
|
||
<figureCitation id="13789FEDFFFCEC0AFCD1E994FC76FC00" box="[843,945,997,1023]" 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="29" pageNumber="30">Fig.13A</figureCitation>
|
||
:y,B:y).Sternite 4with flat caudal lobes, without process at median margin, and entirely covered by microtrichia ……………3
|
||
<emphasis id="B9375F7AFFFCEC0AFB28EE79FAB1FBDD" bold="true" box="[1202,1398,1032,1058]" pageId="29" pageNumber="30">
|
||
<taxonomicName id="4C43F8EBFFFCEC0AFB28EE79FAEEFBDD" authorityName="Doczkal & Radenković & Lyneborg & Pape" authorityYear="2016" baseAuthorityName="Walker" baseAuthorityYear="1852" box="[1202,1321,1032,1058]" class="Insecta" family="Syrphidae" genus="Megatrigon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Diptera" pageId="29" pageNumber="30" phylum="Arthropoda" rank="species" species="argenteus">
|
||
<emphasis id="B9375F7AFFFCEC0AFB28EE79FAEEFBDD" bold="true" box="[1202,1321,1032,1058]" italics="true" pageId="29" pageNumber="30">argenteus</emphasis>
|
||
</taxonomicName>
|
||
group
|
||
</emphasis>
|
||
</keyLead>
|
||
</paragraph>
|
||
</keyStep>
|
||
<keyStep id="30B79BCDFFFCEC0AFF27EE38FAB0FAEC" pageId="29" pageNumber="30">
|
||
<paragraph id="8BFC8368FFFCEC0AFF27EE38FAB0FB55" blockId="29.[189,1399,1097,1299]" pageId="29" pageNumber="30">
|
||
<keyLead id="30B2205DFFFCEC0AFF27EE38FAB0FB55" pageId="29" pageNumber="30">
|
||
3. Tergites 2+3 with silver spots (
|
||
<figureCitation id="13789FEDFFFCEC0AFDEAEE38FD7CFB9B" box="[624,699,1097,1124]" 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="29" pageNumber="30">Fig. 7</figureCitation>
|
||
A–F), i.e., areas densely covered by adpressed reflecting white microtrichia. These spots cover the lateral part of the tergite for more than three quarters the length of the tergite ……………………………………………………………………………4
|
||
</keyLead>
|
||
</paragraph>
|
||
<paragraph id="8BFC8368FFFCEC0AFF5BEEC2FAB0FAEC" blockId="29.[189,1399,1097,1299]" pageId="29" pageNumber="30">
|
||
<keyLead id="30B2205DFFFCEC0AFF5BEEC2FAB0FAEC" pageId="29" pageNumber="30">
|
||
– Tergites 2+3 without silver spots (
|
||
<figureCitation id="13789FEDFFFCEC0AFD1FEEC2FD0CFB32" box="[645,715,1203,1229]" 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="29" pageNumber="30">Fig. 7</figureCitation>
|
||
G–K). Non-reflecting fasciae or spots of microtrichia are present, their maximum length less than half the length of the tergite, or all tergites without any markings ……………………………………………………………………………………………9
|
||
</keyLead>
|
||
</paragraph>
|
||
</keyStep>
|
||
<keyStep id="30B79BCDFFFCEC0AFF27EF4AFAB1F9D6" pageId="29" pageNumber="30">
|
||
<paragraph id="8BFC8368FFFCEC0AFF27EF4AFAB0FA40" blockId="29.[189,1399,1339,1577]" pageId="29" pageNumber="30">
|
||
<keyLead id="30B2205DFFFCEC0AFF27EF4AFAB0FA40" pageId="29" pageNumber="30">
|
||
4. Costagial setae black. Ocellar triangle with a longitudinal groove. Mesofemur anteriorly black setose. Metatibia in proximal half dorsally with reduced microtrichia, not reaching scar. Tergite 4 with a pair of isolated submedian microtrichiose spots (
|
||
<figureCitation id="13789FEDFFFCEC0AFC12EFF0FC22FA64" box="[904,997,1409,1436]" 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="29" pageNumber="30">Fig. 7A</figureCitation>
|
||
) ………………………………… ……………………………………………………
|
||
<taxonomicName id="4C43F8EBFFFCEC0AFCAFEFD4FB43FA40" authority="(Walker, 1852)" authorityName="Doczkal & Radenković & Lyneborg & Pape" authorityYear="2016" baseAuthorityName="Walker" baseAuthorityYear="1852" box="[821,1156,1444,1471]" class="Insecta" family="Syrphidae" genus="Megatrigon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Diptera" pageId="29" pageNumber="30" phylum="Arthropoda" rank="species" species="argenteus" status="comb. nov.">
|
||
<emphasis id="B9375F7AFFFCEC0AFCAFEFD4FC15FA40" bold="true" box="[821,978,1445,1471]" italics="true" pageId="29" pageNumber="30">M. argenteus</emphasis>
|
||
(
|
||
<bibRefCitation id="EFD2FE99FFFCEC0AFC44EFD5FBBCFA40" author="Walker F." box="[990,1147,1444,1471]" pageId="29" pageNumber="30" pagination="157 - 252" refId="ref17674" refString="Walker F. 1852. Diptera. Part III. In: Insecta Saundersiana: or Characters of Undescribed Insects in the Collection of William Wilson Saunders, Esq., F. R. S., F. L. S., & c. Vol. 1: 157 - 252. Van Voorst, London. http: // dx. doi. org / 10.5962 / bhl. title. 5112" type="journal article" year="1852">Walker, 1852</bibRefCitation>
|
||
)
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A204E201FFFCEC0AFB13EFD5FACFFA40" box="[1161,1288,1444,1471]" pageId="29" pageNumber="30" rank="species">comb. nov.</taxonomicNameLabel>
|
||
(
|
||
<figureCitation id="13789FEDFFFCEC0AFA8FEFD5FAABFA41" box="[1301,1388,1444,1470]" 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="29" pageNumber="30">Fig. 1A</figureCitation>
|
||
)
|
||
</keyLead>
|
||
</paragraph>
|
||
<paragraph id="8BFC8368FFFCEC0AFF5BEFB9FAB1F9D6" blockId="29.[189,1399,1339,1577]" pageId="29" pageNumber="30">
|
||
<keyLead id="30B2205DFFFCEC0AFF5BEFB9FAB1F9D6" pageId="29" pageNumber="30">
|
||
– Costagial setae yellow. Ocellar triangle without groove. Mesofemur without black setae. Metatibia in proximal half dorsally with a microtrichiose stripe that extends to the scar. Tergite 4 either without microtrichiose spots or present (
|
||
<taxonomicName id="4C43F8EBFFFCEC0AFCA4EC7EFBC0F9D7" ID-CoL="9HNN2" authority="Doczkal & Radenković & Lyneborg & Pape, 2016" authorityName="Doczkal & Radenković & Lyneborg & Pape" authorityYear="2016" box="[830,1031,1550,1576]" class="Insecta" family="Syrphidae" genus="Megatrigon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Diptera" pageId="29" pageNumber="30" phylum="Arthropoda" rank="species" species="sexmaculatus" status="sp. nov.">
|
||
<emphasis id="B9375F7AFFFCEC0AFCA4EC7EFBC0F9D7" box="[830,1031,1550,1576]" italics="true" pageId="29" pageNumber="30">M. sexmaculatus</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A204E201FFFCEC0AFB8BEC7FFBB6F9D7" box="[1041,1137,1550,1576]" pageId="29" pageNumber="30" rank="species">sp. nov.</taxonomicNameLabel>
|
||
) anterolaterally……5
|
||
</keyLead>
|
||
</paragraph>
|
||
</keyStep>
|
||
<keyStep id="30B79BCDFFFCEC0AFF27EC3EFAB0F8C3" pageId="29" pageNumber="30">
|
||
<paragraph id="8BFC8368FFFCEC0AFF27EC3EFAB0F92C" blockId="29.[189,1399,1615,1852]" pageId="29" pageNumber="30">
|
||
<keyLead id="30B2205DFFFCEC0AFF27EC3EFAB0F92C" pageId="29" pageNumber="30">
|
||
5. Tergite 4 with silver spots (
|
||
<figureCitation id="13789FEDFFFCEC0AFDAAEC3EFD4CF995" box="[560,651,1615,1642]" 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="29" pageNumber="30">Fig. 7F</figureCitation>
|
||
). Silver spots on tergite 3 completely and densely setose, setae directed towards the lateral margin, i.e., turned ca. 90° in relation to longitudinal axis. Vertex entirely microtrichiose except for a narrow stripe along the posterior margin (
|
||
<figureCitation id="13789FEDFFFCEC0AFB58ECE7FAE2F94F" box="[1218,1317,1686,1712]" 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="29" pageNumber="30">Fig. 2G</figureCitation>
|
||
) …… ……………………………………………………………………
|
||
<taxonomicName id="4C43F8EBFFFCEC0AFC7FECC8FB77F92B" ID-CoL="9HNN2" authority="Doczkal & Radenković & Lyneborg & Pape, 2016" authorityName="Doczkal & Radenković & Lyneborg & Pape" authorityYear="2016" box="[997,1200,1721,1748]" class="Insecta" family="Syrphidae" genus="Megatrigon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Diptera" pageId="29" pageNumber="30" phylum="Arthropoda" rank="species" species="sexmaculatus" status="sp. nov.">
|
||
<emphasis id="B9375F7AFFFCEC0AFC7FECC8FB77F92B" bold="true" box="[997,1200,1721,1748]" italics="true" pageId="29" pageNumber="30">M. sexmaculatus</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A204E201FFFCEC0AFB2EECC8FACBF92C" box="[1204,1292,1721,1747]" pageId="29" pageNumber="30" rank="species">sp. nov.</taxonomicNameLabel>
|
||
(
|
||
<figureCitation id="13789FEDFFFCEC0AFA83ECC8FAABF92C" box="[1305,1388,1721,1747]" 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="29" pageNumber="30">Fig. 1F</figureCitation>
|
||
)
|
||
</keyLead>
|
||
</paragraph>
|
||
<paragraph id="8BFC8368FFFCEC0AFF5BECACFAB0F8C3" blockId="29.[189,1399,1615,1852]" pageId="29" pageNumber="30">
|
||
<keyLead id="30B2205DFFFCEC0AFF5BECACFAB0F8C3" pageId="29" pageNumber="30">
|
||
– Tergite 4 without silver spots. Silver spots on tergite 3 for a large part without setae or (some
|
||
<taxonomicName id="4C43F8EBFFFCEC0AFF70ED71FE60F8E6" ID-CoL="9HNMY" authority="Doczkal & Radenković & Lyneborg & Pape, 2016" authorityName="Doczkal & Radenković & Lyneborg & Pape" authorityYear="2016" box="[234,423,1792,1817]" class="Insecta" family="Syrphidae" genus="Megatrigon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Diptera" pageId="29" pageNumber="30" phylum="Arthropoda" rank="species" species="magnicornis" status="sp. nov.">
|
||
<emphasis id="B9375F7AFFFCEC0AFF70ED71FE60F8E6" box="[234,423,1792,1817]" italics="true" pageId="29" pageNumber="30">M. magnicornis</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A204E201FFFCEC0AFE2AED71FDC9F8E5" box="[432,526,1792,1818]" pageId="29" pageNumber="30" rank="species">sp. nov.</taxonomicNameLabel>
|
||
) with scattered setae, setae turned to the side for ca 45°. At least ocellar triangle partly bare of microtrichia ………………………………………………………………6
|
||
</keyLead>
|
||
</paragraph>
|
||
</keyStep>
|
||
<keyStep id="30B79BCDFFFCEC09FF27ED15FAB1FE93" lastPageId="30" lastPageNumber="31" pageId="29" pageNumber="30">
|
||
<paragraph id="8BFC8368FFFCEC0AFF27ED15FAB0F817" blockId="29.[189,1399,1892,2024]" pageId="29" pageNumber="30">
|
||
<keyLead id="30B2205DFFFCEC0AFF27ED15FAB0F817" pageId="29" pageNumber="30">
|
||
6. Postpedicel elongated (
|
||
<figureCitation id="13789FEDFFFCEC0AFD9CED15FDA2F880" box="[518,613,1892,1919]" 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="29" pageNumber="30">Fig. 3D</figureCitation>
|
||
). Vertex almost bare of microtrichia (
|
||
<figureCitation id="13789FEDFFFCEC0AFBDAED15FB67F880" box="[1088,1184,1892,1919]" 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="29" pageNumber="30">Fig. 2D</figureCitation>
|
||
). Silver spots on tergite 3 widely separated, their distance exceeds the length of the tergite, narrowly separated from anterior and posterior margins (
|
||
<figureCitation id="13789FEDFFFCEC0AFD2FEDDBFCD2F83A" box="[693,789,1962,1989]" 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="29" pageNumber="30">Fig. 7D</figureCitation>
|
||
). Tergite 3 with extensive areas with black setae ……………………………………………………………………
|
||
<taxonomicName id="4C43F8EBFFFCEC0AFC7FEDBFFB62F817" ID-CoL="9HNMY" authority="Doczkal & Radenković & Lyneborg & Pape, 2016" authorityName="Doczkal & Radenković & Lyneborg & Pape" authorityYear="2016" box="[997,1189,1998,2024]" class="Insecta" family="Syrphidae" genus="Megatrigon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Diptera" pageId="29" pageNumber="30" phylum="Arthropoda" rank="species" species="magnicornis" status="sp. nov.">
|
||
<emphasis id="B9375F7AFFFCEC0AFC7FEDBFFB62F817" bold="true" box="[997,1189,1998,2024]" italics="true" pageId="29" pageNumber="30">M. magnicornis</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A204E201FFFCEC0AFB31EDBFFAC3F817" box="[1195,1284,1998,2024]" pageId="29" pageNumber="30" rank="species">sp. nov.</taxonomicNameLabel>
|
||
(
|
||
<figureCitation id="13789FEDFFFCEC0AFA89EDBCFAABF817" box="[1299,1388,1997,2024]" 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="29" pageNumber="30">Fig. 1D</figureCitation>
|
||
)
|
||
</keyLead>
|
||
</paragraph>
|
||
<paragraph id="8BFC8368FFFFEC09FF5BEB7DFAB1FE93" blockId="30.[193,1399,267,364]" pageId="30" pageNumber="31">
|
||
<keyLead id="30B2205DFFFFEC09FF5BEB7DFAB1FE93" pageId="30" pageNumber="31">– Postpedicel normal. Vertex in front of anterior ocellus entirely densely microtrichiose. Silver spots on tergite 3 narrowly separated, their distance less than half the length of the tergite, covering whole length of tergite. Tergite 3 with or without a few scattered black setae ……………………7</keyLead>
|
||
</paragraph>
|
||
</keyStep>
|
||
<keyStep id="30B79BCDFFFFEC09FF27EBE5FAB0FDE8" pageId="30" pageNumber="31">
|
||
<paragraph id="8BFC8368FFFFEC09FF27EBE5FAB0FE2F" blockId="30.[189,1399,403,536]" pageId="30" pageNumber="31">
|
||
<keyLead id="30B2205DFFFFEC09FF27EBE5FAB0FE2F" pageId="30" pageNumber="31">
|
||
7. Distance between eyes 0.17 × width of head, ocellar triangle isosceles (
|
||
<figureCitation id="13789FEDFFFFEC09FBD6EBE2FB6BFE52" box="[1100,1196,403,429]" 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="30" pageNumber="31">Fig. 2C</figureCitation>
|
||
). Larger species, body length about
|
||
<quantity id="4CBB2E8DFFFFEC09FE57EBC7FDD4FE2E" box="[461,531,438,465]" metricMagnitude="-3" metricUnit="m" metricValue="8.0" pageId="30" pageNumber="31" unit="mm" value="8.0">8 mm</quantity>
|
||
…………………………………
|
||
<taxonomicName id="4C43F8EBFFFFEC09FC00EBC6FB5EFE2E" ID-CoL="9HNMV" authority="Doczkal & Radenković & Lyneborg & Pape, 2016" authorityName="Doczkal & Radenković & Lyneborg & Pape" authorityYear="2016" box="[922,1177,438,465]" class="Insecta" family="Syrphidae" genus="Megatrigon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Diptera" pageId="30" pageNumber="31" phylum="Arthropoda" rank="species" species="argentimaculatus" status="sp. nov.">
|
||
<emphasis id="B9375F7AFFFFEC09FC00EBC6FB5EFE2E" bold="true" box="[922,1177,438,465]" italics="true" pageId="30" pageNumber="31">M. argentimaculatus</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A204E201FFFFEC09FB38EBC6FB38FE2E" box="[1186,1279,439,465]" pageId="30" pageNumber="31" rank="species">sp. nov.</taxonomicNameLabel>
|
||
(
|
||
<figureCitation id="13789FEDFFFFEC09FA8BEBC7FAABFE2F" box="[1297,1388,438,464]" 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="30" pageNumber="31">Fig. 1C</figureCitation>
|
||
)
|
||
</keyLead>
|
||
</paragraph>
|
||
<paragraph id="8BFC8368FFFFEC09FF5BEBABFAB0FDE8" blockId="30.[189,1399,403,536]" pageId="30" pageNumber="31">
|
||
<keyLead id="30B2205DFFFFEC09FF5BEBABFAB0FDE8" pageId="30" pageNumber="31">
|
||
– Distance between eyes larger, ocellar triangle equilateral (as in
|
||
<figureCitation id="13789FEDFFFFEC09FC6DEBA8FB93FE0B" box="[1015,1108,473,500]" 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="30" pageNumber="31">Fig. 2F</figureCitation>
|
||
). Smaller species, body length 6.5–7.0 mm ………………………………………………………………8 (as in
|
||
<figureCitation id="13789FEDFFFFEC09FB68EB8CFAAAFDE8" box="[1266,1389,509,535]" 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="30" pageNumber="31">Fig. 1B, E</figureCitation>
|
||
)
|
||
</keyLead>
|
||
</paragraph>
|
||
</keyStep>
|
||
<keyStep id="30B79BCDFFFFEC09FF27E84FFAB0FCD3" pageId="30" pageNumber="31">
|
||
<paragraph id="8BFC8368FFFFEC09FF27E84FFAB1FD3D" blockId="30.[189,1399,574,812]" pageId="30" pageNumber="31">
|
||
<keyLead id="30B2205DFFFFEC09FF27E84FFAB1FD3D" pageId="30" pageNumber="31">
|
||
8. Postocellar spot small, separated for about the distance between posterior ocelli (
|
||
<figureCitation id="13789FEDFFFFEC09FB33E84FFAC0FDA7" box="[1193,1287,574,600]" 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="30" pageNumber="31">Fig. 2B</figureCitation>
|
||
). Median apex of the silver spot on tergite 2 near middle of tergite (
|
||
<figureCitation id="13789FEDFFFFEC09FC45E810FB85FD83" box="[991,1090,609,636]" 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="30" pageNumber="31">Fig. 7B</figureCitation>
|
||
). Mesonotum with welldeveloped submedian and lateral (notopleuron, supraalar area) microtrichiose stripes ……… ……………………………………………………………………
|
||
<taxonomicName id="4C43F8EBFFFFEC09FC7FE8D9FB64FD3E" ID-CoL="9HNMT" authority="Doczkal & Radenković & Lyneborg & Pape, 2016" authorityName="Doczkal & Radenković & Lyneborg & Pape" authorityYear="2016" box="[997,1187,679,706]" class="Insecta" family="Syrphidae" genus="Megatrigon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Diptera" pageId="30" pageNumber="31" phylum="Arthropoda" rank="species" species="argentifrons" status="sp. nov.">
|
||
<emphasis id="B9375F7AFFFFEC09FC7FE8D9FB64FD3E" bold="true" box="[997,1187,679,706]" italics="true" pageId="30" pageNumber="31">M. argentifrons</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A204E201FFFFEC09FB30E8D9FAC2FD3D" box="[1194,1285,680,706]" pageId="30" pageNumber="31" rank="species">sp. nov.</taxonomicNameLabel>
|
||
(
|
||
<figureCitation id="13789FEDFFFFEC09FA8EE8D9FAAAFD3D" box="[1300,1389,680,706]" 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="30" pageNumber="31">Fig. 1B</figureCitation>
|
||
)
|
||
</keyLead>
|
||
</paragraph>
|
||
<paragraph id="8BFC8368FFFFEC09FF5BE8BDFAB0FCD3" blockId="30.[189,1399,574,812]" pageId="30" pageNumber="31">
|
||
<keyLead id="30B2205DFFFFEC09FF5BE8BDFAB0FCD3" pageId="30" pageNumber="31">
|
||
– Postocellar spot large, almost confluent (
|
||
<figureCitation id="13789FEDFFFFEC09FD58E8BAFCFDFD19" box="[706,826,715,742]" 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="30" pageNumber="31">Fig. 2E, F</figureCitation>
|
||
). Median apex of the silver spot on tergite 2 close to posterior margin of tergite (
|
||
<figureCitation id="13789FEDFFFFEC09FDCEE89FFD6AFCF6" box="[596,685,750,777]" 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="30" pageNumber="31">Fig. 7E</figureCitation>
|
||
). Mesonotum with traces only of the submedian and lateral microtrichiose stripes (
|
||
<figureCitation id="13789FEDFFFFEC09FE63E960FD93FCD3" box="[505,596,785,812]" captionStart="Fig" captionStartId="8.[189,232,1964,1990]" captionTargetBox="[291,1281,1100,1931]" captionTargetId="figure@8.[291,1281,1100,1931]" captionTargetPageId="8" captionText="Fig. 4. Megatrigon spp., mesoscutum, dorsal view. A. Megatrigon magnicornis sp. nov. (♁). B. M. natalensis sp. nov. (♁). C. M. apiformis sp. nov. (♁). D. M. nivalis (Hull, 1964) comb. nov. (♁)." figureDoi="http://doi.org/10.5281/zenodo.3849890" httpUri="https://zenodo.org/record/3849890/files/figure.png" pageId="30" pageNumber="31">Fig. 4B</figureCitation>
|
||
) ……………………………………
|
||
<taxonomicName id="4C43F8EBFFFFEC09FC64E963FB65FCD3" ID-CoL="9HNMZ" authority="Doczkal & Radenković & Lyneborg & Pape, 2016" authorityName="Doczkal & Radenković & Lyneborg & Pape" authorityYear="2016" box="[1022,1186,785,812]" class="Insecta" family="Syrphidae" genus="Megatrigon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Diptera" pageId="30" pageNumber="31" phylum="Arthropoda" rank="species" species="natalensis" status="sp. nov.">
|
||
<emphasis id="B9375F7AFFFFEC09FC64E963FB65FCD3" bold="true" box="[1022,1186,785,812]" italics="true" pageId="30" pageNumber="31">M. natalensis</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A204E201FFFFEC09FB30E963FAC2FCD3" box="[1194,1285,786,812]" pageId="30" pageNumber="31" rank="species">sp. nov.</taxonomicNameLabel>
|
||
(
|
||
<figureCitation id="13789FEDFFFFEC09FA8FE960FAAAFCD3" box="[1301,1389,785,812]" 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="30" pageNumber="31">Fig. 1E</figureCitation>
|
||
)
|
||
</keyLead>
|
||
</paragraph>
|
||
</keyStep>
|
||
<caption id="DF3CD3E0FFFFEC09FF27ED17FB40F815" ID-DOI="http://doi.org/10.5281/zenodo.3849926" ID-Zenodo-Dep="3849926" httpUri="https://zenodo.org/record/3849926/files/figure.png" pageId="30" pageNumber="31" startId="30.[189,232,1894,1920]" targetBox="[189,1398,875,1852]" targetPageId="30">
|
||
<paragraph id="8BFC8368FFFFEC09FF27ED17FB40F815" blockId="30.[189,1399,1893,2027]" pageId="30" pageNumber="31">
|
||
<emphasis id="B9375F7AFFFFEC09FF27ED17FEDFF87F" bold="true" box="[189,280,1894,1920]" pageId="30" pageNumber="31">Fig. 13.</emphasis>
|
||
<taxonomicName id="4C43F8EBFFFFEC09FE87ED16FE6FF87F" ID-CoL="9HGXQ" authorityName="Johnson" authorityYear="1898" box="[285,424,1895,1920]" class="Insecta" family="Syrphidae" genus="Megatrigon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Diptera" pageId="30" pageNumber="31" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="B9375F7AFFFFEC09FE87ED16FE6FF87F" box="[285,424,1895,1920]" italics="true" pageId="30" pageNumber="31">Megatrigon</emphasis>
|
||
</taxonomicName>
|
||
spp., ♁ genitalia, lateral (A, F) and ventral (B–E, G) view (SEM).
|
||
<emphasis id="B9375F7AFFFFEC09FB3CED17FB18F87F" bold="true" box="[1190,1247,1894,1921]" pageId="30" pageNumber="31">A–C</emphasis>
|
||
.
|
||
<taxonomicName id="4C43F8EBFFFFEC09FB76ED16FE2AF85B" authority="(Walker, 1852)" authorityName="Doczkal & Radenković & Lyneborg & Pape" authorityYear="2016" baseAuthorityName="Walker" baseAuthorityYear="1852" class="Insecta" family="Syrphidae" genus="Megatrigon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Diptera" pageId="30" pageNumber="31" phylum="Arthropoda" rank="species" species="argenteus" status="comb. nov.">
|
||
<emphasis id="B9375F7AFFFFEC09FB76ED16FEF7F85C" italics="true" pageId="30" pageNumber="31">Megatrigon argenteus</emphasis>
|
||
(
|
||
<bibRefCitation id="EFD2FE99FFFFEC09FED8EDF8FE22F85B" author="Walker F." box="[322,485,1929,1956]" pageId="30" pageNumber="31" pagination="157 - 252" refId="ref17674" refString="Walker F. 1852. Diptera. Part III. In: Insecta Saundersiana: or Characters of Undescribed Insects in the Collection of William Wilson Saunders, Esq., F. R. S., F. L. S., & c. Vol. 1: 157 - 252. Van Voorst, London. http: // dx. doi. org / 10.5962 / bhl. title. 5112" type="journal article" year="1852">Walker, 1852</bibRefCitation>
|
||
)
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A204E201FFFFEC09FE6DEDF8FDBBF85B" box="[503,636,1929,1956]" pageId="30" pageNumber="31" rank="species">comb. nov.</taxonomicNameLabel>
|
||
<emphasis id="B9375F7AFFFFEC09FD1CEDFBFD5CF85B" bold="true" box="[646,667,1930,1956]" pageId="30" pageNumber="31">D</emphasis>
|
||
.
|
||
<taxonomicName id="4C43F8EBFFFFEC09FD34EDFBFCACF85C" ID-CoL="9HNMY" authority="Doczkal & Radenković & Lyneborg & Pape, 2016" authorityName="Doczkal & Radenković & Lyneborg & Pape" authorityYear="2016" box="[686,875,1930,1955]" class="Insecta" family="Syrphidae" genus="Megatrigon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Diptera" pageId="30" pageNumber="31" phylum="Arthropoda" rank="species" species="magnicornis" status="sp. nov.">
|
||
<emphasis id="B9375F7AFFFFEC09FD34EDFBFCACF85C" box="[686,875,1930,1955]" italics="true" pageId="30" pageNumber="31">M. magnicornis</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A204E201FFFFEC09FCEFEDFBFC14F85B" box="[885,979,1930,1956]" pageId="30" pageNumber="31" rank="species">sp. nov.</taxonomicNameLabel>
|
||
<emphasis id="B9375F7AFFFFEC09FC47EDFBFC36F85B" bold="true" box="[989,1009,1930,1956]" pageId="30" pageNumber="31">E</emphasis>
|
||
.
|
||
<taxonomicName id="4C43F8EBFFFFEC09FB98EDFBFAB1F85B" authority="(Herve-Bazin, 1913)" authorityName="Doczkal & Radenković & Lyneborg & Pape" authorityYear="2016" baseAuthorityName="Herve-Bazin" baseAuthorityYear="1913" box="[1026,1398,1929,1956]" class="Insecta" family="Syrphidae" genus="Megatrigon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Diptera" pageId="30" pageNumber="31" phylum="Arthropoda" rank="species" species="jacobi" status="comb. nov.">
|
||
<emphasis id="B9375F7AFFFFEC09FB98EDFBFBB1F85B" box="[1026,1142,1930,1956]" italics="true" pageId="30" pageNumber="31">M. jacobi</emphasis>
|
||
(Hervé-Bazin, 1913)
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A204E201FFFFEC09FF27EDDCFEF8F838" box="[189,319,1965,1991]" pageId="30" pageNumber="31" rank="species">comb. nov.</taxonomicNameLabel>
|
||
<emphasis id="B9375F7AFFFFEC09FEDFEDDCFEBAF838" bold="true" box="[325,381,1965,1991]" pageId="30" pageNumber="31">F–G</emphasis>
|
||
.
|
||
<taxonomicName id="4C43F8EBFFFFEC09FE16EDDFFDD0F838" ID-CoL="9HGXQ" authorityName="Johnson" authorityYear="1898" box="[396,535,1966,1991]" class="Insecta" family="Syrphidae" genus="Megatrigon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Diptera" pageId="30" pageNumber="31" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="B9375F7AFFFFEC09FE16EDDFFDD0F838" box="[396,535,1966,1991]" italics="true" pageId="30" pageNumber="31">Megatrigon</emphasis>
|
||
</taxonomicName>
|
||
sp. from the
|
||
<taxonomicName id="4C43F8EBFFFFEC09FD2BEDDCFCF8F838" ID-CoL="8CS9H" authorityName="Johnson" authorityYear="1898" box="[689,831,1965,1991]" class="Insecta" family="Syrphidae" genus="Megatrigon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Diptera" pageId="30" pageNumber="31" phylum="Arthropoda" rank="species" species="sexfasciatus">
|
||
<emphasis id="B9375F7AFFFFEC09FD2BEDDCFCF8F838" box="[689,831,1965,1991]" italics="true" pageId="30" pageNumber="31">sexfasciatus</emphasis>
|
||
</taxonomicName>
|
||
group. Symbols: w = median surstyle; x = inner accessory lobe of median surstyle; y = posterior surstyle; z = subepandrial sclerite.
|
||
</paragraph>
|
||
</caption>
|
||
<caption id="DF3CD3E0FFFEEC08FF27EC86FADFF861" ID-DOI="http://doi.org/10.5281/zenodo.3849930" ID-Zenodo-Dep="3849930" httpUri="https://zenodo.org/record/3849930/files/figure.png" pageId="31" pageNumber="32" startId="31.[189,232,1783,1809]" targetBox="[190,1399,452,1743]" targetPageId="31">
|
||
<paragraph id="8BFC8368FFFEEC08FF27EC86FADFF861" blockId="31.[189,1399,1783,1951]" pageId="31" pageNumber="32">
|
||
<emphasis id="B9375F7AFFFEEC08FF27EC86FED8F8EE" bold="true" box="[189,287,1783,1809]" pageId="31" pageNumber="32">Fig. 14.</emphasis>
|
||
<taxonomicName id="4C43F8EBFFFEEC08FEB7EC89FD3DF8ED" authority="(Walker, 1852)" authorityName="Doczkal & Radenković & Lyneborg & Pape" authorityYear="2016" baseAuthorityName="Walker" baseAuthorityYear="1852" box="[301,762,1783,1810]" class="Insecta" family="Syrphidae" genus="Megatrigon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Diptera" pageId="31" pageNumber="32" phylum="Arthropoda" rank="species" species="argenteus" status="comb. nov.">
|
||
<emphasis id="B9375F7AFFFEEC08FEB7EC89FDFFF8EE" box="[301,568,1784,1809]" italics="true" pageId="31" pageNumber="32">Megatrigon argenteus</emphasis>
|
||
(
|
||
<bibRefCitation id="EFD2FE99FFFEEC08FDD6EC86FD35F8ED" author="Walker F." box="[588,754,1783,1810]" pageId="31" pageNumber="32" pagination="157 - 252" refId="ref17674" refString="Walker F. 1852. Diptera. Part III. In: Insecta Saundersiana: or Characters of Undescribed Insects in the Collection of William Wilson Saunders, Esq., F. R. S., F. L. S., & c. Vol. 1: 157 - 252. Van Voorst, London. http: // dx. doi. org / 10.5962 / bhl. title. 5112" type="journal article" year="1852">Walker, 1852</bibRefCitation>
|
||
)
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A204E201FFFEEC08FC92EC86FC55F8ED" box="[776,914,1783,1810]" pageId="31" pageNumber="32" rank="species">comb. nov.</taxonomicNameLabel>
|
||
, puparium (SEM).
|
||
<emphasis id="B9375F7AFFFEEC08FB1DEC86FB5BF8EE" bold="true" box="[1159,1180,1783,1809]" pageId="31" pageNumber="32">A</emphasis>
|
||
. Operculum with right pupal spiracle (arrow),
|
||
<emphasis id="B9375F7AFFFEEC08FD89ED6AFDE0F8CA" bold="true" box="[531,551,1819,1845]" pageId="31" pageNumber="32">B</emphasis>
|
||
. Pupal spiracle in lateral view (arrow points at tubercle with spiracular openings).
|
||
<emphasis id="B9375F7AFFFEEC08FED8ED4FFE90F8A7" bold="true" box="[322,343,1854,1880]" pageId="31" pageNumber="32">C</emphasis>
|
||
. Apex of pupal spiracle.
|
||
<emphasis id="B9375F7AFFFEEC08FD16ED4FFD66F8A7" bold="true" box="[652,673,1854,1880]" pageId="31" pageNumber="32">D</emphasis>
|
||
. Detail of tubercle with spiracular openings borne on pupal spiracle.
|
||
<emphasis id="B9375F7AFFFEEC08FEB2ED10FEFBF884" bold="true" box="[296,316,1889,1915]" pageId="31" pageNumber="32">E</emphasis>
|
||
. Spiracular plate on the posterior respiratory process in polar view.
|
||
<emphasis id="B9375F7AFFFEEC08FBF9ED10FBB2F884" bold="true" box="[1123,1141,1889,1915]" pageId="31" pageNumber="32">F</emphasis>
|
||
. Posterior respiratory process.
|
||
<emphasis id="B9375F7AFFFEEC08FEBEEDF5FEFCF861" bold="true" box="[292,315,1924,1950]" pageId="31" pageNumber="32">G</emphasis>
|
||
. Cephaloskeleton, lateral view. Symbols: x = pupal spiracle; y = spiracular tubercle.
|
||
</paragraph>
|
||
</caption>
|
||
<keyStep id="30B79BCDFFC1EC37FF27EB7AFAB0FE2A" pageId="32" pageNumber="33">
|
||
<paragraph id="8BFC8368FFC1EC37FF27EB7AFAB0FE93" blockId="32.[189,1399,267,470]" pageId="32" pageNumber="33">
|
||
<keyLead id="30B2205DFFC1EC37FF27EB7AFAB0FE93" pageId="32" pageNumber="33">
|
||
9. Tergites without microtrichiose fasciae or spots (
|
||
<figureCitation id="13789FEDFFC1EC37FCC3EB7AFC76FED9" box="[857,945,267,294]" 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="32" pageNumber="33">Fig. 7I</figureCitation>
|
||
). Distance between eyes big, frons and vertex with smooth surface (setae with simple alveoli, i.e., without tubercles), without microtrichia (
|
||
<figureCitation id="13789FEDFFC1EC37FE11EB23FE19FE93" box="[395,478,338,364]" 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="32" pageNumber="33">Fig. 2J</figureCitation>
|
||
) ……………………………………………
|
||
<taxonomicName id="4C43F8EBFFC1EC37FC7BEB23FB60FE93" ID-CoL="9HNMX" authority="Doczkal & Radenković & Lyneborg & Pape, 2016" authorityName="Doczkal & Radenković & Lyneborg & Pape" authorityYear="2016" box="[993,1191,337,364]" class="Insecta" family="Syrphidae" genus="Megatrigon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Diptera" pageId="32" pageNumber="33" phylum="Arthropoda" rank="species" species="immaculatus" status="sp. nov.">
|
||
<emphasis id="B9375F7AFFC1EC37FC7BEB23FB60FE93" bold="true" box="[993,1191,337,364]" italics="true" pageId="32" pageNumber="33">M. immaculatus</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A204E201FFC1EC37FB2AEB23FACBFE93" box="[1200,1292,338,364]" pageId="32" pageNumber="33" rank="species">sp. nov.</taxonomicNameLabel>
|
||
(
|
||
<figureCitation id="13789FEDFFC1EC37FA86EB23FAAAFE93" box="[1308,1389,338,364]" 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="32" pageNumber="33">Fig. 1I</figureCitation>
|
||
)
|
||
</keyLead>
|
||
</paragraph>
|
||
<paragraph id="8BFC8368FFC1EC37FF5BEB04FAB0FE2A" blockId="32.[189,1399,267,470]" pageId="32" pageNumber="33">
|
||
<keyLead id="30B2205DFFC1EC37FF5BEB04FAB0FE2A" pageId="32" pageNumber="33">
|
||
– At least tergites 2+3 with microtrichiose fasciae or spots (as in
|
||
<figureCitation id="13789FEDFFC1EC37FC74EB04FB8DFE70" box="[1006,1098,373,399]" 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="32" pageNumber="33">Fig. 7K</figureCitation>
|
||
). Distance between eyes narrower, frons and vertex with rough surface (setae with tuberculate alveoli), with microtrichiose pattern at least on vertex (as in
|
||
<figureCitation id="13789FEDFFC1EC37FDF4EBCAFD07FE29" box="[622,704,443,470]" 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="32" pageNumber="33">Fig. 2I</figureCitation>
|
||
) …………………………………………………………10
|
||
</keyLead>
|
||
</paragraph>
|
||
</keyStep>
|
||
<keyStep id="30B79BCDFFC1EC37FF27EB8CFAB0FD38" pageId="32" pageNumber="33">
|
||
<paragraph id="8BFC8368FFC1EC37FF27EB8CFAB0FDA1" blockId="32.[189,1399,509,711]" pageId="32" pageNumber="33">
|
||
<keyLead id="30B2205DFFC1EC37FF27EB8CFAB0FDA1" pageId="32" pageNumber="33">
|
||
10. Postsutural pilosity of mesonotum black, with a intraalar microtrichiose stripe well separated from supraalar seta. Wing membrane brown along veins (
|
||
<figureCitation id="13789FEDFFC1EC37FCF1E851FC0FFDC4" box="[875,968,544,571]" 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="32" pageNumber="33">Fig. 5C</figureCitation>
|
||
), posterior margin of alula bare of microtrichia. Tibiae 1–3 bright reddish, without dark rings ………
|
||
<taxonomicName id="4C43F8EBFFC1EC37FC6FE835FB67FDA1" ID-CoL="9HJHG" authority="Doczkal & Radenković & Lyneborg & Pape, 2016" authorityName="Doczkal & Radenković & Lyneborg & Pape" authorityYear="2016" box="[1013,1184,579,606]" class="Insecta" family="Syrphidae" genus="Megatrigon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Diptera" pageId="32" pageNumber="33" phylum="Arthropoda" rank="species" species="tabanoides" status="sp. nov.">
|
||
<emphasis id="B9375F7AFFC1EC37FC6FE835FB67FDA1" bold="true" box="[1013,1184,579,606]" italics="true" pageId="32" pageNumber="33">M. tabanoides</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A204E201FFC1EC37FB32E835FAC5FDA1" box="[1192,1282,580,606]" pageId="32" pageNumber="33" rank="species">sp. nov.</taxonomicNameLabel>
|
||
(
|
||
<figureCitation id="13789FEDFFC1EC37FA88E832FAABFDA1" box="[1298,1388,579,606]" 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="32" pageNumber="33">Fig. 1K</figureCitation>
|
||
)
|
||
</keyLead>
|
||
</paragraph>
|
||
<paragraph id="8BFC8368FFC1EC37FF5BE816FAB0FD38" blockId="32.[189,1399,509,711]" pageId="32" pageNumber="33">
|
||
<keyLead id="30B2205DFFC1EC37FF5BE816FAB0FD38" pageId="32" pageNumber="33">
|
||
– Mesonotal pilosity entirely light (white or yellow), with a supraalar microtrichiose stripe (as in
|
||
<figureCitation id="13789FEDFFC1EC37FF70E8F8FE82FD5B" box="[234,325,649,676]" captionStart="Fig" captionStartId="8.[189,232,1964,1990]" captionTargetBox="[291,1281,1100,1931]" captionTargetId="figure@8.[291,1281,1100,1931]" captionTargetPageId="8" captionText="Fig. 4. Megatrigon spp., mesoscutum, dorsal view. A. Megatrigon magnicornis sp. nov. (♁). B. M. natalensis sp. nov. (♁). C. M. apiformis sp. nov. (♁). D. M. nivalis (Hull, 1964) comb. nov. (♁)." figureDoi="http://doi.org/10.5281/zenodo.3849890" httpUri="https://zenodo.org/record/3849890/files/figure.png" pageId="32" pageNumber="33">Fig. 4C</figureCitation>
|
||
). Wing membrane either clear or completely infuscated, alula entirely microtrichiose. Tibia 1 and 2 each with a dark ring, tibia 3 almost completely blackish. ……………………………………11
|
||
</keyLead>
|
||
</paragraph>
|
||
</keyStep>
|
||
<keyStep id="30B79BCDFFC1EC37FF27E89FFAB0FC6A" pageId="32" pageNumber="33">
|
||
<paragraph id="8BFC8368FFC1EC37FF27E89FFAB1FCB0" blockId="32.[189,1399,750,917]" pageId="32" pageNumber="33">
|
||
<keyLead id="30B2205DFFC1EC37FF27E89FFAB1FCB0" pageId="32" pageNumber="33">
|
||
11. Tergites 2+3 with widely separated microtrichiose fasciae, tergite 4 with fasciae narrowly separated (
|
||
<figureCitation id="13789FEDFFC1EC37FF69E960FE8BFCD3" box="[243,332,785,812]" 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="32" pageNumber="33">Fig. 7J</figureCitation>
|
||
). Vertex almost bare of microtrichia (the very few microtrichia do not form a distinct pattern) (
|
||
<figureCitation id="13789FEDFFC1EC37FECEE944FE69FCB0" box="[340,430,821,847]" 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="32" pageNumber="33">Fig. 2K</figureCitation>
|
||
). Wing membrane light brown ……
|
||
<taxonomicName id="4C43F8EBFFC1EC37FCCEE944FB4FFCB0" ID-CoL="3CDYY" authority="(Hull, 1964)" authorityName="Doczkal & Radenković & Lyneborg & Pape" authorityYear="2016" baseAuthorityName="Hull" baseAuthorityYear="1964" box="[852,1160,820,847]" class="Insecta" family="Syrphidae" genus="Eumerus" kingdom="Animalia" order="Diptera" pageId="32" pageNumber="33" phylum="Arthropoda" rank="species" species="ochreatus" status="comb. nov.">
|
||
<emphasis id="B9375F7AFFC1EC37FCCEE944FC35FCB0" bold="true" box="[852,1010,820,847]" italics="true" pageId="32" pageNumber="33">M. ochreatus</emphasis>
|
||
(
|
||
<bibRefCitation id="EFD2FE99FFC1EC37FB9BE944FB47FCB0" author="Hull F. M." box="[1025,1152,820,847]" pageId="32" pageNumber="33" 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="A204E201FFC1EC37FB14E944FAC8FCB0" box="[1166,1295,821,847]" pageId="32" pageNumber="33" rank="species">comb. nov.</taxonomicNameLabel>
|
||
(
|
||
<figureCitation id="13789FEDFFC1EC37FA87E944FAABFCB0" box="[1309,1388,821,847]" 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="32" pageNumber="33">Fig. 1J</figureCitation>
|
||
)
|
||
</keyLead>
|
||
</paragraph>
|
||
<paragraph id="8BFC8368FFC1EC37FF5BE929FAB0FC6A" blockId="32.[189,1399,750,917]" pageId="32" pageNumber="33">
|
||
<keyLead id="30B2205DFFC1EC37FF5BE929FAB0FC6A" pageId="32" pageNumber="33">
|
||
– Tergites 2–4 with fasciae (
|
||
<figureCitation id="13789FEDFFC1EC37FD84E929FD58FC8D" box="[542,671,856,882]" 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="32" pageNumber="33">Fig. 7G, H</figureCitation>
|
||
). Vertex extensively densely microtrichiose (
|
||
<figureCitation id="13789FEDFFC1EC37FB37E929FAD8FC8D" box="[1197,1311,856,882]" 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="32" pageNumber="33">Fig. 2H, I</figureCitation>
|
||
). Wing membrane clear ……………………………………………………………………………………12
|
||
</keyLead>
|
||
</paragraph>
|
||
</keyStep>
|
||
<keyStep id="30B79BCDFFC1EC37FF27E9CCFAB0FB32" pageId="32" pageNumber="33">
|
||
<paragraph id="8BFC8368FFC1EC37FF27E9CCFAB0FBBF" blockId="32.[189,1399,956,1229]" pageId="32" pageNumber="33">
|
||
<keyLead id="30B2205DFFC1EC37FF27E9CCFAB0FBBF" pageId="32" pageNumber="33">
|
||
12. Wing with yellow veins, microtrichia equally dense and light (yellowish) on whole wing, appearing unicolorous (
|
||
<figureCitation id="13789FEDFFC1EC37FE1DE991FE24FC05" box="[391,483,991,1018]" 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="32" pageNumber="33">Fig. 5A</figureCitation>
|
||
). Frons, except for a stripe along the lunula, and vertex except for a narrow stripe at posterior edge entirely densely covered by yellowish microtrichia (
|
||
<figureCitation id="13789FEDFFC1EC37FBE9EE72FB13FBE2" box="[1139,1236,1027,1053]" 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="32" pageNumber="33">Fig. 2H</figureCitation>
|
||
). Setae on all parts of the body golden. Tergites without black setae ………………
|
||
<taxonomicName id="4C43F8EBFFC1EC37FB90EE57FB62FBBF" ID-CoL="9HNMS" authority="Doczkal & Radenković & Lyneborg & Pape, 2016" authorityName="Doczkal & Radenković & Lyneborg & Pape" authorityYear="2016" box="[1034,1189,1062,1088]" class="Insecta" family="Syrphidae" genus="Megatrigon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Diptera" pageId="32" pageNumber="33" phylum="Arthropoda" rank="species" species="apiformis" status="sp. nov.">
|
||
<emphasis id="B9375F7AFFC1EC37FB90EE57FB62FBBF" bold="true" box="[1034,1189,1062,1088]" italics="true" pageId="32" pageNumber="33">M. apiformis</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A204E201FFC1EC37FB31EE56FAC2FBBE" box="[1195,1285,1063,1089]" pageId="32" pageNumber="33" rank="species">sp. nov.</taxonomicNameLabel>
|
||
(
|
||
<figureCitation id="13789FEDFFC1EC37FA89EE57FAABFBBF" box="[1299,1388,1062,1088]" 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="32" pageNumber="33">Fig. 1G</figureCitation>
|
||
)
|
||
</keyLead>
|
||
</paragraph>
|
||
<paragraph id="8BFC8368FFC1EC37FF5BEE3BFAB0FB32" blockId="32.[189,1399,956,1229]" pageId="32" pageNumber="33">
|
||
<keyLead id="30B2205DFFC1EC37FF5BEE3BFAB0FB32" pageId="32" pageNumber="33">
|
||
– Wing with brown veins, in proximal half densely covered by white microtrichia, in distal half with dark microtrichia, thereby wing appearing bicoloured (
|
||
<figureCitation id="13789FEDFFC1EC37FC18EE1DFC25FB78" box="[898,994,1132,1159]" 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="32" pageNumber="33">Fig. 5B</figureCitation>
|
||
). Nearly whole frons and a large posteromedian area on vertex without microtrichia (
|
||
<figureCitation id="13789FEDFFC1EC37FCC1EEE1FC6AFB55" box="[859,941,1168,1194]" 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="32" pageNumber="33">Fig. 2I</figureCitation>
|
||
). Tergites extensively black setose … ……………………………………………………………………
|
||
<taxonomicName id="4C43F8EBFFC1EC37FC68EEC2FB4BFB32" ID-CoL="9HNMW" authority="Doczkal & Radenković & Lyneborg & Pape, 2016" authorityName="Doczkal & Radenković & Lyneborg & Pape" authorityYear="2016" box="[1010,1164,1202,1229]" class="Insecta" family="Syrphidae" genus="Megatrigon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Diptera" pageId="32" pageNumber="33" phylum="Arthropoda" rank="species" species="cooksoni" status="sp. nov.">
|
||
<emphasis id="B9375F7AFFC1EC37FC68EEC2FB4BFB32" bold="true" box="[1010,1164,1202,1229]" italics="true" pageId="32" pageNumber="33">M. cooksoni</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A204E201FFC1EC37FB02EEC2FB3FFB32" box="[1176,1272,1203,1229]" pageId="32" pageNumber="33" rank="species">sp. nov.</taxonomicNameLabel>
|
||
(
|
||
<figureCitation id="13789FEDFFC1EC37FA97EEC2FAABFB32" box="[1293,1388,1203,1229]" 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="32" pageNumber="33">Fig. 1H</figureCitation>
|
||
)
|
||
</keyLead>
|
||
</paragraph>
|
||
</keyStep>
|
||
</key>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |