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<document ID-DOI="http://dx.doi.org/10.3897/zookeys.1046.57052" ID-GBIF-Dataset="348e46a4-8819-4e3c-b4b9-b5e88bee10d7" ID-PMC="PMC8238928" ID-Pensoft-Pub="1313-2970-1046-1" ID-Pensoft-UUID="DBC42C98E4DA5074B86525CF2FB2FA64" ID-PubMed="34239337" ID-ZooBank="66E61C4EFAFE45DE9145DB38199BDEC3" ModsDocID="1313-2970-1046-1" checkinTime="1624307367557" checkinUser="pensoft" docAuthor="Jordaens, Kurt, Goergen, Georg, Skevington, Jeffrey H., Kelso, Scott &amp; Meyer, Marc De" docDate="2021" docId="7220A207FAF45ACBA7C83B7B13D2F214" docLanguage="en" docName="ZooKeys 1046: 1-141" docOrigin="ZooKeys 1046" docPubDate="2021-06-21" docSource="http://dx.doi.org/10.3897/zookeys.1046.57052" docTitle="Mesembrius chapini Curran 1939" docType="treatment" docVersion="5" id="DBC42C98E4DA5074B86525CF2FB2FA64" lastPageNumber="1" masterDocId="DBC42C98E4DA5074B86525CF2FB2FA64" masterDocTitle="Revision of the Afrotropical species of the hover fly genus Mesembrius Rondani (Diptera, Syrphidae) using morphological and molecular data" masterLastPageNumber="141" masterPageNumber="1" pageNumber="1" updateTime="1732487030840" updateUser="ExternalLinkService">
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<mods:title id="DDF0535161AF59E7B9A347415C5B9933">Revision of the Afrotropical species of the hover fly genus Mesembrius Rondani (Diptera, Syrphidae) using morphological and molecular data</mods:title>
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<treatment id="7220A207FAF45ACBA7C83B7B13D2F214" ID-GBIF-Taxon="183114806" LSID="urn:lsid:plazi:treatment:7220A207FAF45ACBA7C83B7B13D2F214" httpUri="http://treatment.plazi.org/id/7220A207FAF45ACBA7C83B7B13D2F214" lastPageNumber="1" pageId="0" pageNumber="1" scope_family="Syrphidae" scope_order="Diptera">
<subSubSection id="BF2AF959C6C04D27C593D878CBAB4E87" pageId="0" pageNumber="1" type="nomenclature">
<paragraph id="E9EC8FD42F613A8E65E5E18BFEBDC474" pageId="0" pageNumber="1">
<taxonomicName id="1D5685E8DBAA75914248B9EE9AF4B094" ID-CoL="8CT95" LSID="7220A207-FAF4-5ACB-A7C8-3B7B13D2F214" authority="Curran, 1939" authorityName="Curran" authorityYear="1939" class="Insecta" family="Syrphidae" genus="Mesembrius" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Mesembrius chapini" order="Diptera" pageId="0" pageNumber="1" phylum="Arthropoda" rank="species" species="chapini">Mesembrius chapini Curran, 1939</taxonomicName>
<figureCitation id="C5425B0B02AEFEECC84FAA391C74FA0A" captionStart="Figures 7, 8" captionStartId="F4" captionText="Figures 7, 8. Mesembrius spp., habitus, lateral view 7 M. capensis (Macquart) (♂) 8 M. chapini Curran (♂)." figureDoi="10.3897/zookeys.1046.57052.figures7-8" httpUri="https://binary.pensoft.net/fig/557465" pageId="0" pageNumber="1">Figs 8</figureCitation>
<figureCitation id="88455C440AA83C5BE5A2C4CB85AC1BF9" captionStart="Figures 31, 32" captionStartId="F16" captionText="Figures 31, 32. Mesembrius spp., habitus, lateral view 31 M. chapini Curran (♀) 32 M. cyanipennis (Bezzi) (♀)." figureDoi="10.3897/zookeys.1046.57052.figures31-32" httpUri="https://binary.pensoft.net/fig/557477" pageId="0" pageNumber="1">, 31</figureCitation>
<figureCitation id="7E8FA251C5B8F37995969B2942165570" captionStart="Figures 4651" captionStartId="F24" captionText="Figures 46 - 51. Mesembrius spp., head, frontal view 46 M. arcuatus sp. nov. (♂) 47 M. caffer (Loew) (nominal morph) (♂) 48 M. caffer (Loew) (spined morph) (♂) 49 M. ctenifer Hull syn. nov. (♂) 50 M. capensis (Macquart) (♂) 51 M. chapini Curran (♂)." figureDoi="10.3897/zookeys.1046.57052.figures46-51" httpUri="https://binary.pensoft.net/fig/557485" pageId="0" pageNumber="1">, 51</figureCitation>
<figureCitation id="F21C72D62023B0F6BFA88F819CE9752A" captionStart="Figures 7074" captionStartId="F28" captionText="Figures 70 - 74. Mesembrius spp., head, frontal view 70 M. capensis (Macquart) (♀) 71 M. cyanipennis (Bezzi) (♀) 72 M. chapini Curran (♀) 73 M. maculifer Hull (♀) 74 M. morio (Bezzi) (♀)." figureDoi="10.3897/zookeys.1046.57052.figures70-74" httpUri="https://binary.pensoft.net/fig/557489" pageId="0" pageNumber="1">, 72</figureCitation>
<figureCitation id="9450BDEFE618DD78037285BFB8EC0249" captionStart="Figures 8388" captionStartId="F31" captionText="Figures 83 - 88. Mesembrius spp., abdomen, dorsal view 83 M. arcuatus sp. nov. (♂) 84 M. caffer (Loew) (nominal morph) (♂) 85 M. caffer (Loew) (spined morph) (♂) 86 M. ctenifer Hull syn. nov. (♂) 87 M. capensis (Macquart) (♂) 88 M. chapini Curran (♂)." figureDoi="10.3897/zookeys.1046.57052.figures83-88" httpUri="https://binary.pensoft.net/fig/557492" pageId="0" pageNumber="1">, 88</figureCitation>
<figureCitation id="65A9C03AEF6605AC5CB447D1622CA01C" captionStart="Figures 107112" captionStartId="F35" captionText="Figures 107 - 112. Mesembrius spp., abdomen, dorsal view 107 M. caffer (Loew) (nominal morph) (♀) 108 M. caffer (Loew) (spined morph) (♀) 109 M. ctenifer syn. nov. Hull (♀) 110 M. capensis (Macquart) (♀) 111 M. chapini Curran (♀) 112 M. cyanipennis (Bezzi) (♀)." figureDoi="10.3897/zookeys.1046.57052.figures107-112" httpUri="https://binary.pensoft.net/fig/557496" pageId="0" pageNumber="1">, 111</figureCitation>
<figureCitation id="878755DC30138A97724BAD515797577B" captionStart="Figures 127130" captionStartId="F39" captionText="Figures 127 - 130. Mesembrius spp., right wing 127 M. arcuatus sp. nov. (♂) 128 M. caffer (Loew) (nominal morph) (♂) 129 M. capensis (Macquart) (♂) 130 M. chapini Curran (♂)." figureDoi="10.3897/zookeys.1046.57052.figures127-130" httpUri="https://binary.pensoft.net/fig/557500" pageId="0" pageNumber="1">, 130</figureCitation>
<figureCitation id="0E50C49E62E2FEBB887A544BC0A76B14" captionStart="Figures 151154" captionStartId="F45" captionText="Figures 151 - 154. Mesembrius, proleg, dorsal view 151 M. chapini Curran (♂) 152 M. perforatus (Speiser) (♂) 153 M. regulus (Hull) (♂) 154 M. rex Curran (♂). Abbreviations: bt-basitarsus, fem-femur, tib-tibia." figureDoi="10.3897/zookeys.1046.57052.figures151-154" httpUri="https://binary.pensoft.net/fig/557506" pageId="0" pageNumber="1">, 151</figureCitation>
<figureCitation id="B066AC75D322A006F92BF60D1794FB2A" captionStart="Figures 166171" captionStartId="F49" captionText="Figures 166 - 171. Mesembrius spp., proleg, dorsal view 166 M. simplicipes Curran (♂) 167 M. platytarsis Curran syn. nov. (♂) 168 M. tarsatus (Bigot) (♀) 169 M. chapini Curran (♀) 170 M. rex Curran (♀) 171 M. regulus (Hull) (♀). Abbreviations: bt-basitarsus, fem-femur, tib-tibia." figureDoi="10.3897/zookeys.1046.57052.figures166-171" httpUri="https://binary.pensoft.net/fig/557509" pageId="0" pageNumber="1">, 169</figureCitation>
<figureCitation id="7CC69F13634FB1B807000853ACBE0494" captionStart="Figures 185188" captionStartId="F53" captionText="Figures 185 - 188. Mesembrius spp., mesoleg, dorsal view 185 M. perforatus (Speiser) (♀). Metaleg, posterior view 186 M. chapini Curran (♂) 187 M. sulcus sp. nov. (♂). Metaleg, ventral view 188 M. tibialis sp. nov. (♂). Abbreviations: bt-basitarsus, fem-femur, tib-tibia." figureDoi="10.3897/zookeys.1046.57052.figures185-188" httpUri="https://binary.pensoft.net/fig/557513" pageId="0" pageNumber="1">, 186</figureCitation>
<figureCitation id="9A3998614E62F49BDA5E68330C443604" captionStart="Figures 201204" captionStartId="F57" captionText="Figures 201 - 204. Mesembrius spp., metaleg, anterior view 201 M. chapini Curran (♀). Metaleg, posterior view 202 M. regulus (Hull) (♀) 203 M. strigilatus (Bezzi) (♀). Metaleg, anterior view 204 M. minor (Bezzi) (♀). Abbreviations: fem-femur." figureDoi="10.3897/zookeys.1046.57052.figures201-204" httpUri="https://binary.pensoft.net/fig/557517" pageId="0" pageNumber="1">, 201</figureCitation>
<figureCitation id="6E6D32F149D81F4D79D1418BFAF1ADE1" captionStart="Figures 205216" captionStartId="F58" captionText="Figures 205 - 216. Mesembrius spp., male genitalia, lateral view 205 M. arcuatus sp. nov. 206 M. caffer (Loew) (nominal morph) 207 M. caffer (Loew) (spined morph) 208 M. ctenifer Hull syn. nov. 209 M. capensis (Macquart) 210 M. chapini Curran 211 M. copelandi sp. nov. 212 M. cyanipennis (Bezzi) 213 M. ingratus (Loew) 214 M. longipilosus sp. nov. 215 M. madagascariensis Keiser 216 M. minor (Bezzi)." figureDoi="10.3897/zookeys.1046.57052.figures205-216" httpUri="https://binary.pensoft.net/fig/557518" pageId="0" pageNumber="1">, 210</figureCitation>
</paragraph>
</subSubSection>
<subSubSection id="7273FCC99EC9036F996F42F173FEF241" pageId="0" pageNumber="1" type="reference_group">
<paragraph id="6857C2208899FFF32F1073510D4E5BC1" pageId="0" pageNumber="1">
<taxonomicName id="9BE9FCE3A8237BEED391ABC56C21BB58" authorityName="Curran" authorityYear="1939" class="Insecta" family="Syrphidae" genus="Mesembrius" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Mesembrius chapini" order="Diptera" pageId="0" pageNumber="1" phylum="Arthropoda" rank="species" species="chapini">Mesembrius chapini</taxonomicName>
Curran, 1939: 10.
</paragraph>
<paragraph id="A32AAA15CA912C3880096A2040CA4980" pageId="0" pageNumber="1">
<taxonomicName id="B0DA19C7104703C3593449BA13D8B34C" authorityName="Curran" authorityYear="1939" class="Insecta" family="Syrphidae" genus="Mesembrius" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Mesembrius chapini" order="Diptera" pageId="0" pageNumber="1" phylum="Arthropoda" rank="species" species="chapini">Mesembrius chapini</taxonomicName>
-
<bibRefCitation id="E727CEDFE96CA33112CA65E4D0145435" author="Smith, KGV" editor="Crosskey, RW" journalOrPublisher="British Museum (Natural History), London" pageId="0" pageNumber="1" pagination="488 - 510" refId="B49" refString="Smith, KGV, Vockeroth, JR, 1980. 38. Family Syrphidae. In: Crosskey, RW, Ed., Catalogue of the Diptera of the Afrotropical Region. British Museum (Natural History), London: 488 - 510" title="38. Family Syrphidae." volumeTitle="Catalogue of the Diptera of the Afrotropical Region." year="1980">Smith and Vockeroth (1980)</bibRefCitation>
: 504.
</paragraph>
</subSubSection>
<subSubSection id="B99029E699461FBD2B7F5E3D13ED9382" pageId="0" pageNumber="1" type="differential diagnosis">
<paragraph id="E2A0085342161AC65062E9BD748A251B" pageId="0" pageNumber="1">Differential diagnosis.</paragraph>
<paragraph id="0B53DB7D8A789477EF9A6E4B7026523A" pageId="0" pageNumber="1">
<taxonomicName id="991342B2FA2C4899F7F78DA754F210BA" authorityName="Curran" authorityYear="1939" class="Insecta" family="Syrphidae" genus="Mesembrius" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Mesembrius chapini" order="Diptera" pageId="0" pageNumber="1" phylum="Arthropoda" rank="species" species="chapini">
<emphasis id="3550D47F571B33BEB40DE00D27F782D2" italics="true" pageId="0" pageNumber="1">Mesembrius chapini</emphasis>
</taxonomicName>
males have a profemur with a thick and dense, golden apical pile brush. The metafemur is long and slender with some long, black thick pile in the ventral middle. The metatibia has a shallow anterior depression in the middle and a deeper depression on the ventral side of the distal end; the ventral side has a carina. The male is easily distinguished by the thick golden yellow to orange apical pile brush of the profemur and the series of minute, black spines in the ventroproximal section of the metafemur. Females have a frons which is black pilose on its entire length, except laterally. It can be distinguished from the female of
<taxonomicName id="C42E9F46E4B2ADDD5AD1A73DFCB22116" lsidName="M. sulcus" pageId="0" pageNumber="1" rank="species" species="sulcus">
<emphasis id="06C434E7651B3D63E38D7FCC9217C7E4" italics="true" pageId="0" pageNumber="1">M. sulcus</emphasis>
</taxonomicName>
sp. nov. and
<taxonomicName id="99B58085CC4B247939532CE8546DEB68" lsidName="M. tarsatus" pageId="0" pageNumber="1" rank="species" species="tarsatus">
<emphasis id="26C0DECFC3495BB30C248C928EE3B99C" italics="true" pageId="0" pageNumber="1">M. tarsatus</emphasis>
</taxonomicName>
by the yellow-brown to chocolate-brown tibiae (black in
<taxonomicName id="03C222349E38B27BF5383FEEB001237A" lsidName="M. sulcus" pageId="0" pageNumber="1" rank="species" species="sulcus">
<emphasis id="B5A14993CFB30EB474EF2586108716D9" italics="true" pageId="0" pageNumber="1">M. sulcus</emphasis>
</taxonomicName>
sp. nov. and
<taxonomicName id="E1FD4512EA9937B2F90B72AFD6225357" lsidName="M. tarsatus" pageId="0" pageNumber="1" rank="species" species="tarsatus">
<emphasis id="D4E67E0B3769E04F6B71BE0316DF9930" italics="true" pageId="0" pageNumber="1">M. tarsatus</emphasis>
</taxonomicName>
). It differs from the female of
<taxonomicName id="BCD9CDF3FE7FB3591D95FF5D69899199" lsidName="M. rex" pageId="0" pageNumber="1" rank="species" species="rex">
<emphasis id="7C349466685186B626B15F0E2C6893FC" italics="true" pageId="0" pageNumber="1">M. rex</emphasis>
</taxonomicName>
and
<taxonomicName id="41D8F9DC6F01A6C46832E3B6D32724AE" lsidName="M. regulus" pageId="0" pageNumber="1" rank="species" species="regulus">
<emphasis id="F754270453F783D3E3622DD34431E060" italics="true" pageId="0" pageNumber="1">M. regulus</emphasis>
</taxonomicName>
by the very conspicuous black pile over the entire length of the protibia (absent in
<taxonomicName id="08CEA71895481508A23D61BE2D559327" lsidName="M. rex" pageId="0" pageNumber="1" rank="species" species="rex">
<emphasis id="8D3B3A4D0363C1ABB8FEB71E78D09658" italics="true" pageId="0" pageNumber="1">M. rex</emphasis>
</taxonomicName>
; restricted to distal half in
<taxonomicName id="222033597BA79FA6496C657AB00AA0FC" lsidName="M. regulus" pageId="0" pageNumber="1" rank="species" species="regulus">
<emphasis id="D00519927BE3ABCEA7EF7FD22C5212BD" italics="true" pageId="0" pageNumber="1">M. regulus</emphasis>
</taxonomicName>
) and by the dark brown to black protarsus (yellow-brown to chocolate-brown in
<taxonomicName id="EE0A6EC9BBAA403159364FA81E0BB9DE" lsidName="M. rex" pageId="0" pageNumber="1" rank="species" species="rex">
<emphasis id="15FCA8DE74E645BD60AA5A6B092DCA53" italics="true" pageId="0" pageNumber="1">M. rex</emphasis>
</taxonomicName>
and
<taxonomicName id="BCDE242ECD281EFF6D32A57DB31B4878" lsidName="M. regulus" pageId="0" pageNumber="1" rank="species" species="regulus">
<emphasis id="9B97ABD85EC9BE5743D9016D643169D5" italics="true" pageId="0" pageNumber="1">M. regulus</emphasis>
</taxonomicName>
). The legs are very dark, but especially the tibiae are yellow-brown to chocolate-brown. The protibia has conspicuous black pile over its entire length. Wing cell r1 is distinctly open.
</paragraph>
<caption id="B846B5FC465606CDBC7A255A132F7AC0" doi="10.3897/zookeys.1046.57052.figures21-22" httpUri="https://binary.pensoft.net/fig/557472" pageId="0" pageNumber="1" start="Figures 21, 22" startId="F11">
<paragraph id="CE8081983AA900411B7576E87F7DC2F7" pageId="0" pageNumber="1">
<emphasis id="89EE67EBB318B0CD2471C34634967E6F" bold="true" pageId="0" pageNumber="1">Figures 21, 22.</emphasis>
<emphasis id="4E95F440337F9DCAFABAF2201DBC66BD" bold="true" pageId="0" pageNumber="1">21</emphasis>
<taxonomicName id="958950738CD8F56C6E0EC089BAA1F33E" authorityName="Rondani" authorityYear="1857" class="Insecta" family="Syrphidae" genus="Mesembrius" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Mesembrius" order="Diptera" pageId="0" pageNumber="1" phylum="Arthropoda" rank="genus">
<emphasis id="4190D583C337BF520CEDA8ED2E6F0678" italics="true" pageId="0" pageNumber="1">Mesembrius</emphasis>
</taxonomicName>
spp., habitus, lateral view.
<taxonomicName id="C9D8C524668982FA4447DB075A96CB29" lsidName="M. simplicipes" pageId="0" pageNumber="1" rank="species" species="simplicipes">
<emphasis id="82748271E8B6B1072DE48D609C6AE3E4" italics="true" pageId="0" pageNumber="1">M. simplicipes</emphasis>
</taxonomicName>
Curran (♂)
<emphasis id="7EEE36D0EA979DE4AFC4E7A90A1B3330" bold="true" pageId="0" pageNumber="1">22</emphasis>
<taxonomicName id="314580F263050CBCACDB29EB33222A95" lsidName="M. strigilatus" pageId="0" pageNumber="1" rank="species" species="strigilatus">
<emphasis id="449DFB0790EC2DAFD84154B9E9A461F5" italics="true" pageId="0" pageNumber="1">M. strigilatus</emphasis>
</taxonomicName>
(Bezzi) (♂).
</paragraph>
</caption>
</subSubSection>
<subSubSection id="865C3E92C8B681546774D4F58460F6EF" pageId="0" pageNumber="1" type="materials_examined">
<paragraph id="56A3495A32C8DC680D0026C5369AA6F3" pageId="0" pageNumber="1">Examined material.</paragraph>
<paragraph id="CFFB63879EC9312AEE2FE44759FD6860" pageId="0" pageNumber="1">
<taxonomicName id="F2CEF8E21B1820A7EE764A97BE9AFF5A" authorityName="Curran" authorityYear="1939" class="Insecta" family="Syrphidae" genus="Mesembrius" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Mesembrius chapini" order="Diptera" pageId="0" pageNumber="1" phylum="Arthropoda" rank="species" species="chapini">
<emphasis id="74FF5B916F4ADD2677A1855FDA6BAB50" italics="true" pageId="0" pageNumber="1">Mesembrius chapini</emphasis>
</taxonomicName>
<materialsCitation id="060F07F77FF1D1E714E7F67AEF052135" collectingDate="1931-01-07" collectorName="J. P. Chapin" country="Congo" latitude="-1.0833334" location="Curran" municipality="Lukolela" specimenCount="♂" typeStatus="Holotype">
Curran:
<typeStatus id="85AFBCA494ED6383D49A980BDF81AF23">Holotype</typeStatus>
, male, &quot;
<taxonomicName id="70EFD19A1DCDB779ACC82FD7F0102A23" authorityName="Rondani" authorityYear="1857" class="Insecta" family="Syrphidae" genus="Mesembrius" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Mesembrius" order="Diptera" pageId="0" pageNumber="1" phylum="Arthropoda" rank="genus">Mesembrius</taxonomicName>
//
<taxonomicName id="B6FBF3CA6C28AD3B202E0E7364742FEB" authorityName="Curran" authorityYear="1939" class="Insecta" family="Syrphidae" genus="Mesembrius" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Mesembrius chapini" order="Diptera" pageId="0" pageNumber="1" phylum="Arthropoda" rank="species" species="chapini">Mesembrius chapini</taxonomicName>
//
<specimenCount id="7A9E3F0CD4517E37F303790C55EEE5FB"></specimenCount>
//
<typeStatus id="58F305FC14C34530034862865D0755AA">Holotype</typeStatus>
//
<location id="2133664E12634458E5C14C21AEFD1BA9" LSID="urn:lsid:plazi:treatment:7220A207FAF45ACBA7C83B7B13D2F214:2133664E12634458E5C14C21AEFD1BA9" country="Congo" latitude="-1.0833334" municipality="Lukolela" name="Curran">Curran</location>
&quot; &quot;
<collectingMunicipality id="D4600C1F224B07697974F76C92170360">Lukolela</collectingMunicipality>
// left bank //
<collectingCountry id="FA7D357DE24A0EC6F7233E412EC035B3" name="Democratic Republic of the Congo">Congo</collectingCountry>
R.
<geoCoordinate id="7F5942099C173AC9E70AEBD2A2A87D0F" degrees="1" direction="south" minutes="5" orientation="latitude" precision="925" value="-1.0833334">
1°5
<normalizedToken id="76E94391D1E2EA12C545A7BFEC7794BC" originalValue="S/7.I.1931”">
'S/
<collectingDate id="F98600EF320D08913D1C923E76D0F4AE" value="1931-01-07">7.I.1931</collectingDate>
&quot;
</normalizedToken>
</geoCoordinate>
&quot;
<collectorName id="15F89B5BD020F5B43EA13C0E32726A76">J.P. Chapin</collectorName>
// Ac. 31300&quot; [AMNH]. Type studied from picture on the website.
</materialsCitation>
</paragraph>
<caption id="E070DCB39C6182BFF0D890FE75DCB148" doi="10.3897/zookeys.1046.57052.figures23-24" httpUri="https://binary.pensoft.net/fig/557473" pageId="0" pageNumber="1" start="Figures 23, 24" startId="F12">
<paragraph id="D5DD6EDDAA97A5013FF6F6E78E905CB2" pageId="0" pageNumber="1">
<emphasis id="EF0D34D6A0186732C0492FF281A37843" bold="true" pageId="0" pageNumber="1">Figures 23, 24.</emphasis>
<taxonomicName id="762136EFE5C116777EC13D2998901E6E" authorityName="Rondani" authorityYear="1857" class="Insecta" family="Syrphidae" genus="Mesembrius" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Mesembrius" order="Diptera" pageId="0" pageNumber="1" phylum="Arthropoda" rank="genus">
<emphasis id="629F2F2DC8857459E3288E27BB62C860" italics="true" pageId="0" pageNumber="1">Mesembrius</emphasis>
</taxonomicName>
spp., habitus, lateral view
<specimenCount id="C38FD3F705A4686929E2E8C467E0E9A2" type="generic">
<emphasis id="D8111DC0904E9C26FEB2324DE86185FE" bold="true" pageId="0" pageNumber="1">23</emphasis>
<taxonomicName id="63694B47483B5A4DD938EBEA2179244A" lsidName="M. sulcus" pageId="0" pageNumber="1" rank="species" species="sulcus">
<emphasis id="A86272886850DEF0F371C4643E32F95F" italics="true" pageId="0" pageNumber="1">M. sulcus</emphasis>
</taxonomicName>
</specimenCount>
sp. nov. (
<specimenCount id="5C51EA1153EE8A18BF2D422420DCC45A"></specimenCount>
)
<specimenCount id="45960D72B3522B151C10EA23BF67ADC2" type="generic">
<emphasis id="B5E2564D4D40C032237423E7EB721827" bold="true" pageId="0" pageNumber="1">24</emphasis>
<taxonomicName id="53713115F750DB0FADEC339D7DF999F4" lsidName="M. tarsatus" pageId="0" pageNumber="1" rank="species" species="tarsatus">
<emphasis id="D0AF854EF4CCA3B178DC1FBDEE6C4B0E" italics="true" pageId="0" pageNumber="1">M. tarsatus</emphasis>
</taxonomicName>
</specimenCount>
(Bigot) (
<specimenCount id="A306476EA5DE06A22CCEF715C69EBB68"></specimenCount>
).
</paragraph>
</caption>
</subSubSection>
<subSubSection id="ED36963CC702502696FA20FB943E9DEE" pageId="0" pageNumber="1" type="materials_examined">
<paragraph id="2EA5B7101C89CF00EFF74B0D49A8FD49" pageId="0" pageNumber="1">Other material</paragraph>
<paragraph id="9CD2C0B6559416C1DAB6129F11478DD0" pageId="0" pageNumber="1">
<materialsCitation id="1380DB3BF668DB99D0F59B94BF63DAA8" collectingDate="2021-01-01" collectingDateMax="2021-12-31" collectingDateMin="2021-01-01" country="Benin" location="Benin" specimenCount="2" specimenCount-male="2">
<collectingCountry id="8E65ED985EAECF5E314699355BE5F378" name="Benin">Benin</collectingCountry>
<specimenCount id="917007893CFA892DE1213AD451C9A63B" type="male">2♂♂</specimenCount>
</materialsCitation>
;
<materialsCitation id="683DB67ED37501477DE13AE3B77F2ED7" collectingDate="2021-01-01" collectingDateMax="2021-12-31" collectingDateMin="2021-01-01" collectorName="G. Goergen" country="Benin" location="Ahozon" specimenCount="1">
<location id="5FE7622EB28D0317517D1E2BF54A1ABD" LSID="urn:lsid:plazi:treatment:7220A207FAF45ACBA7C83B7B13D2F214:5FE7622EB28D0317517D1E2BF54A1ABD" country="Benin" name="Ahozon">Ahozon</location>
; date unknown;
<collectorName id="4FC5DDBB7F7EC76FD255F8BC6CF82A5C">G. Goergen</collectorName>
leg.; IITA
</materialsCitation>
<specimenCount id="D914E80206E4A5EFC0D4998A09950CDD" type="male">3♂♂</specimenCount>
<specimenCount id="489714C3E067EDF4D27880ECB62C627D" type="female">2♀♀</specimenCount>
;
<materialsCitation id="ED6199D2207F5D45D6A186CDDB41E555" collectingDate="2014-04" collectorName="G. Goergen" country="Benin" location="Calavi" specimenCount="1">
<location id="79412DDDB9356C19917057939A165B38" LSID="urn:lsid:plazi:treatment:7220A207FAF45ACBA7C83B7B13D2F214:79412DDDB9356C19917057939A165B38" country="Benin" name="Calavi">Calavi</location>
;
<collectingDate id="4332FF934C7CDA0E6F4D1DB24AC7C4BB" value="2014-04">Apr 2014</collectingDate>
;
<collectorName id="F5404600FB07B3065442B9CC4172F5AC">G. Goergen</collectorName>
leg.; IITA
</materialsCitation>
<specimenCount id="021A97A3A5E6CE3BE5861E5BCD001ABC" type="female">1♀</specimenCount>
;
<materialsCitation id="54AF15759C3841E701337EFDC5278720" collectingDate="2016-01-16" collectingDateMax="2016-01-18" collectingDateMin="2016-01-16" collectorName="G. Goergen" country="Benin" location="Cotonou" specimenCount="1">
<location id="CA495094E77D294CFBD675C7E5AC7985" LSID="urn:lsid:plazi:treatment:7220A207FAF45ACBA7C83B7B13D2F214:CA495094E77D294CFBD675C7E5AC7985" country="Benin" name="Cotonou">Cotonou</location>
;
<collectingDate id="4A249D1F6E94C96DB7D2934BDA04898F" value="2016-01-16" valueMax="2016-01-18" valueMin="2016-01-16">16-18 Jan 2016</collectingDate>
;
<collectorName id="9C38E151A4C96E2A42D56B918DDE39F2">G. Goergen</collectorName>
leg.; IITA
</materialsCitation>
<specimenCount id="ABE0818A7C15301A1824EC2D8B4CD369" type="male">1♂</specimenCount>
<specimenCount id="0577DA4CFEC7B776E222789B6DEC6224" type="female">1♀</specimenCount>
;
<materialsCitation id="2607B73E289CF8C64DA6AC737854D1B8" collectingDate="2013-11-01" collectorName="G. Goergen, K. Jordaens" country="Benin" location="Cotonou" specimenCount="1">
<location id="EED24F3904ED3D5352ABA6704086AC7F" LSID="urn:lsid:plazi:treatment:7220A207FAF45ACBA7C83B7B13D2F214:EED24F3904ED3D5352ABA6704086AC7F" country="Benin" name="Cotonou">Cotonou</location>
;
<collectingDate id="625D174319BEBA59C208AD41A8407DB5" value="2013-11-01">1 Nov 2013</collectingDate>
;
<collectorName id="411267A1650A04D7AED0CF96FA893DA0">G. Goergen</collectorName>
and
<collectorName id="E63B4C88EA4D329B0D4D99C817C88BC6">K. Jordaens</collectorName>
leg.; KMMA
</materialsCitation>
<specimenCount id="DC3F4728AD6AB33819BD5ED7FC716FBF" type="male">1♂</specimenCount>
;
<materialsCitation id="DFBF5372A162688FEEB512DC861686F1" collectingDate="2016-01-28" collectorName="K. Jordaens" country="Benin" location="Cotonou" specimenCount="1">
<location id="10500DAC86AFB397169DC0AE71CDBBC7" LSID="urn:lsid:plazi:treatment:7220A207FAF45ACBA7C83B7B13D2F214:10500DAC86AFB397169DC0AE71CDBBC7" country="Benin" name="Cotonou">Cotonou</location>
;
<collectingDate id="5D80486ADC865C618EFEB21D4CDE26D0" value="2016-01-28">28 Jan 2016</collectingDate>
;
<collectorName id="90E159F2A9A3CC72422E71142AE1DAA3">K. Jordaens</collectorName>
leg.; KMMA
</materialsCitation>
<specimenCount id="22B47259D98182DC2BCD8852DF0168E4" type="male">1♂</specimenCount>
;
<materialsCitation id="D186AB14A0FA9DEFA2FD75629C1ED927" collectingDate="2015-06-13" collectorName="G. Goergen" country="Benin" location="Dangbo" specimenCount="1">
<location id="9487C0965852967910434057308ADB73" LSID="urn:lsid:plazi:treatment:7220A207FAF45ACBA7C83B7B13D2F214:9487C0965852967910434057308ADB73" country="Benin" name="Dangbo">Dangbo</location>
;
<collectingDate id="2233C76D36692DA0789524871C002069" value="2015-06-13">13 Jun 2015</collectingDate>
;
<collectorName id="C9BD8B346A965A22C93EFA3A5DE401D2">G. Goergen</collectorName>
leg.; KMMA
</materialsCitation>
<specimenCount id="1C556F45D3A9E74B9347D169F29E32DE" type="male">2♂♂</specimenCount>
;
<materialsCitation id="BCF39116BDCEA16E5A1CB3954B357F9C" collectingDate="2005-11" collectorName="G. Goergen" country="Benin" location="Lokossa" specimenCount="1">
<location id="8882C82460A90D6B0F0B9894FDA13630" LSID="urn:lsid:plazi:treatment:7220A207FAF45ACBA7C83B7B13D2F214:8882C82460A90D6B0F0B9894FDA13630" country="Benin" name="Lokossa">Lokossa</location>
;
<collectingDate id="1B552CDF3AAFD9893FA8606C8C42E7F8" value="2005-11">Nov 2005</collectingDate>
;
<collectorName id="E492DD36745DA08B1E7A3B6CC3893425">G. Goergen</collectorName>
leg.; IITA
</materialsCitation>
<specimenCount id="462770215407906A762299F113D3627E" type="male">1♂</specimenCount>
;
<materialsCitation id="ECABEB4FD8C7BF4296AC6B602F7CE80F" collectingDate="1998-01-15" collectorName="G. Goergen" country="Benin" location="Niaouli" specimenCount="1">
<location id="394293EB650D6BDCA58669DD7BEE535D" LSID="urn:lsid:plazi:treatment:7220A207FAF45ACBA7C83B7B13D2F214:394293EB650D6BDCA58669DD7BEE535D" country="Benin" name="Niaouli">Niaouli</location>
;
<collectingDate id="6D77A1D273E2C20F153EB40CEB55C284" value="1998-01-15">15 Jan 1998</collectingDate>
;
<collectorName id="46528E2860759AD0612E6A9161C407EE">G. Goergen</collectorName>
leg.; IITA
</materialsCitation>
<specimenCount id="E2002334231F3C07301C9F60A3F5AA64" type="male">2♂♂</specimenCount>
<specimenCount id="D141F702D87AE60C7DE8BB846168D549" type="female">1♀</specimenCount>
;
<materialsCitation id="B33A2C4F5614A6128E294D1DE3303A89" collectingDate="2014-01-11" collectorName="G. Goergen" country="Benin" location="Pahou" specimenCount="1">
<location id="59FEA1A325A96D1B3CF0EC8AF849EDF7" LSID="urn:lsid:plazi:treatment:7220A207FAF45ACBA7C83B7B13D2F214:59FEA1A325A96D1B3CF0EC8AF849EDF7" country="Benin" name="Pahou">Pahou</location>
;
<collectingDate id="4C522EC2F0E88C2F6C1AA5BA9E2622EC" value="2014-01-11">11 Jan 2014</collectingDate>
;
<collectorName id="8914D92238B94F578CD7197050BD9E5F">G. Goergen</collectorName>
leg.; IITA
</materialsCitation>
<specimenCount id="B99856071C99DD28EDB6C81007A1E7FC" type="female">2♀♀</specimenCount>
;
<materialsCitation id="82882302593601B147B5CEB164EB2459" collectingDate="2002-11-28" collectorName="G. Goergen" country="Benin" location="Porto Novo" specimenCount="1">
<location id="8DDC81948D9174A1741A0E799757E045" LSID="urn:lsid:plazi:treatment:7220A207FAF45ACBA7C83B7B13D2F214:8DDC81948D9174A1741A0E799757E045" country="Benin" name="Porto Novo">Porto Novo</location>
;
<collectingDate id="4412D80268CC771325C822F12615DF5E" value="2002-11-28">28 Nov 2002</collectingDate>
;
<collectorName id="BC210504883F1A34EC6A167DB4C0A39E">G. Goergen</collectorName>
leg.; IITA
</materialsCitation>
<specimenCount id="44F5A3CA3C1B0A4C3431F46D4FC8F633" type="male">1♂</specimenCount>
;
<materialsCitation id="0CF03D2D5D5476CF3AC82AC6DA6F9F43" collectingDate="2004-10" collectorName="G. Goergen" country="Benin" location="Porto Novo" specimenCount="1">
<location id="29818CBA99BE6D6760105774AB657FB1" LSID="urn:lsid:plazi:treatment:7220A207FAF45ACBA7C83B7B13D2F214:29818CBA99BE6D6760105774AB657FB1" country="Benin" name="Porto Novo">Porto Novo</location>
;
<collectingDate id="ACB8E94C1641F80866DA943A5B45A269" value="2004-10">Oct 2004</collectingDate>
;
<collectorName id="113143BF97F0B20F28F84F315C31BC8D">G. Goergen</collectorName>
leg.; IITA
</materialsCitation>
<specimenCount id="ABCC667D02135CB5075B508E5744CC65" type="male">1♂</specimenCount>
;
<materialsCitation id="20FF99B3C2CB24902EB9D910D8F529F0" collectingDate="2016-01-27" collectorName="G. Goergen" country="Benin" location="Porto Novo" specimenCount="1">
<location id="86DEA2152A3ECE30EF28A56708B42338" LSID="urn:lsid:plazi:treatment:7220A207FAF45ACBA7C83B7B13D2F214:86DEA2152A3ECE30EF28A56708B42338" country="Benin" name="Porto Novo">Porto Novo</location>
;
<collectingDate id="D1E5FE6F50981402ED1152D85F1FC394" value="2016-01-27">27 Jan 2016</collectingDate>
;
<collectorName id="87C61EDF4FF36C7B94C141000A903745">G. Goergen</collectorName>
leg.; IITA
</materialsCitation>
<specimenCount id="9F4A9167BFFB17662ADB2CBD2588D049" type="male">1♂</specimenCount>
;
<materialsCitation id="30D987BF2B0C112E5C35ECB19BFE267D" collectingDate="2016-01" collectorName="K. Jordaens, G. Goergen" country="Benin" location="Porto Novo" specimenCount="1">
<location id="5413D1AF492A5BFC6156368BCAF19650" LSID="urn:lsid:plazi:treatment:7220A207FAF45ACBA7C83B7B13D2F214:5413D1AF492A5BFC6156368BCAF19650" country="Benin" name="Porto Novo">Porto Novo</location>
;
<collectingDate id="3952ADDA25074F4F3F0F2B286A212091" value="2016-01">Jan 2016</collectingDate>
;
<collectorName id="67AA6E7A76CE86C1939FC5D4B96F134B">K. Jordaens</collectorName>
and
<collectorName id="BABBF8411077900BE5D1AD619C3B2BD5">G. Goergen</collectorName>
leg.; KMMA
</materialsCitation>
<specimenCount id="172455C421B3B0336BB433A906E860B2" type="male">2♂♂</specimenCount>
;
<specimenCount id="7D1138F5EC7E0BDB6373D116B65F8CE7" type="female">5♀♀</specimenCount>
;
<materialsCitation id="253C1A955EF0A96DAD099A9ABECB2CA1" collectingDate="2018-01-20" collectorName="G. Goergen" country="Benin" location="Porto Novo" specimenCount="1">
<location id="DC5B552D933B7F0282E54511E2C1E946" LSID="urn:lsid:plazi:treatment:7220A207FAF45ACBA7C83B7B13D2F214:DC5B552D933B7F0282E54511E2C1E946" country="Benin" name="Porto Novo">Porto Novo</location>
;
<collectingDate id="437D05A9887A21E51B7029C40A8709D3" value="2018-01-20">20 Jan 2018</collectingDate>
;
<collectorName id="0A6A3C9ADA007861F1FA14E1D4DEAA39">G. Goergen</collectorName>
leg.; IITA
</materialsCitation>
<specimenCount id="2E29700D100325CCFD428D02DC7632AF" type="male">1♂</specimenCount>
<specimenCount id="50B8AA2080959D76E181802A3DC171A3" type="female">12♀♀</specimenCount>
;
<materialsCitation id="722DC41EEED5E5222F2A46F0513A8787" collectingDate="2016-01-27" collectorName="K. Jordaens, G. Goergen" country="Benin" location="Porto Novo" specimenCount="1">
<location id="6850971C560361E118FBACF8EEA1675B" LSID="urn:lsid:plazi:treatment:7220A207FAF45ACBA7C83B7B13D2F214:6850971C560361E118FBACF8EEA1675B" country="Benin" name="Porto Novo">Porto Novo</location>
;
<collectingDate id="A0D9ABA6F1120FEDA77B46F430A8442A" value="2016-01-27">27 Jan 2016</collectingDate>
;
<collectorName id="FFC8FCA3F4AAC1FD70D5313655D1A704">K. Jordaens</collectorName>
and
<collectorName id="E1E358E200E376879DC693DC759AC718">G. Goergen</collectorName>
leg.; KMMA
</materialsCitation>
<specimenCount id="8B2D83F22A7636711EBCEC2E0FACE98E" type="male">1♂</specimenCount>
<specimenCount id="3F4AD8D0EDC113BEA1334ECC4E7568E7" type="female">1♀</specimenCount>
;
<materialsCitation id="F55AF26DF05DCB3A31DBBA0A07EBD2C7" collectingDate="2016-01-27" collectorName="K. Jordaens, G. Goergen" country="Benin" location="Porto Novo" specimenCount="1">
<location id="78F45338A8259DF2B987B217567F7A33" LSID="urn:lsid:plazi:treatment:7220A207FAF45ACBA7C83B7B13D2F214:78F45338A8259DF2B987B217567F7A33" country="Benin" name="Porto Novo">Porto Novo</location>
;
<collectingDate id="9D55D26A79B120102DAD0E6C7DD8F391" value="2016-01-27">27 Jan 2016</collectingDate>
;
<collectorName id="7E15158EDD022069B93463FBC7DF319F">K. Jordaens</collectorName>
and
<collectorName id="0676892F53C8D07A455996C0C479BA3E">G. Goergen</collectorName>
leg.; IITA
</materialsCitation>
<specimenCount id="8AB705BAFB2A59EA4C47FCF19B9E87B2" type="male">5♂♂</specimenCount>
<specimenCount id="748FFD3519D8EEE7D3706F9120372A43" type="female">8♀♀</specimenCount>
;
<materialsCitation id="182520B22DF11F77A670EFB960ABDD65" collectingDate="2018-03-07" collectorName="G. Goergen, K. Jordaens" country="Benin" location="Porto Novo" specimenCount="1">
<location id="CF600B5D3820EADF1A8301845DC4E957" LSID="urn:lsid:plazi:treatment:7220A207FAF45ACBA7C83B7B13D2F214:CF600B5D3820EADF1A8301845DC4E957" country="Benin" name="Porto Novo">Porto Novo</location>
;
<collectingDate id="4CA6CB290CDEF952D61669E5C2D47181" value="2018-03-07">7 Mar 2018</collectingDate>
;
<collectorName id="8D68DF9DE8F42D9ED265710E0DA74335">G. Goergen</collectorName>
&amp;
<collectorName id="5433EB1FD1FB5E19D2F5B125A3A57B7B">K. Jordaens</collectorName>
leg.; KMMA
</materialsCitation>
<specimenCount id="5D9CBB6156EE41D9C2A3F18B2AB70EC3" type="male">4♂♂</specimenCount>
;
<materialsCitation id="CF640A5681E18A9A2785F952FE386D04" collectingDate="2021-01-01" collectingDateMax="2021-12-31" collectingDateMin="2021-01-01" collectorName="K. Jordaens" country="Benin" location="Porto Novo" specimenCount="1">
<location id="E8F825EDCE7522F7BE9876E5E3BE33DA" LSID="urn:lsid:plazi:treatment:7220A207FAF45ACBA7C83B7B13D2F214:E8F825EDCE7522F7BE9876E5E3BE33DA" country="Benin" name="Porto Novo">Porto Novo</location>
; date unknown;
<collectorName id="3E3D208E8C6F56D804BACB9ADC83C3B0">K. Jordaens</collectorName>
leg.; KMMA
</materialsCitation>
.
<materialsCitation id="110A211EEDA5FA18020B74D528E59F68" collectingDate="2021-01-01" collectingDateMax="2021-12-31" collectingDateMin="2021-01-01" country="Democratic Republic of the Congo" location="Democratic Republic of the Congo" specimenCount="1" specimenCount-female="1">
<collectingCountry id="D861527988CA0014B5406ED309D9FFBA" name="Democratic Republic of the Congo">Democratic Republic of the Congo</collectingCountry>
<specimenCount id="FF4F43205F95602C804B4B09C45D5770" type="female">1♀</specimenCount>
</materialsCitation>
;
<materialsCitation id="94CDB4575C575009631D087050CB24AF" collectingDate="1948-10" collectorName="P. L. G. Benoit" country="Democratic Republic of the Congo" location="Basoko" municipality="Tshopo" specimenCount="1">
<collectingMunicipality id="1AAE856E9FAEA65FA1AE50E0F1A10743">Tshopo</collectingMunicipality>
,
<location id="D6880BD48844F0D7C7A60356D6A6B966" LSID="urn:lsid:plazi:treatment:7220A207FAF45ACBA7C83B7B13D2F214:D6880BD48844F0D7C7A60356D6A6B966" country="Democratic Republic of the Congo" municipality="Tshopo" name="Basoko">Basoko</location>
;
<collectingDate id="0877F90AEEACAA85A2E4A7EA74103518" value="1948-10">Oct 1948</collectingDate>
;
<collectorName id="6AF2D9DCF9FD179F367790BCDEB7A4BE">P.L.G. Benoit</collectorName>
leg.; KMMA
</materialsCitation>
<specimenCount id="03ADCE834E9620B4752A5C1B463E7AE7" type="male">1♂</specimenCount>
<specimenCount id="86B945B306E0D8A8F0DB558A0A7E2308" type="female">1♀</specimenCount>
;
<materialsCitation id="D384D504EB0EFBED8623E942B8A8F755" collectingDate="1936-07" collectorName="J. Ghesquiere" country="Democratic Republic of the Congo" location="Eala" specimenCount="1" stateProvince="Equateur">
<collectingRegion id="C7FDC10FC526239495AD972E48A584A3" country="Democratic Republic of the Congo" name="Equateur">Equateur</collectingRegion>
,
<location id="8A6967062F8D10152B1D62CB3A80E518" LSID="urn:lsid:plazi:treatment:7220A207FAF45ACBA7C83B7B13D2F214:8A6967062F8D10152B1D62CB3A80E518" country="Democratic Republic of the Congo" name="Eala" stateProvince="Equateur">Eala</location>
;
<collectingDate id="DF43E5E1C4AD618E4CE9EC0E998D4F07" value="1936-07">Jul 1936</collectingDate>
;
<collectorName id="DE2C5B214EA4A3BD4E8FDBACA2B22E87">
J.
<normalizedToken id="12B9266962F0D13F6497BAD24223D6B0" originalValue="Ghesquière">Ghesquiere</normalizedToken>
</collectorName>
leg.; KMMA
</materialsCitation>
;
<specimenCount id="A01861134C82E1B7D3BE6414B25F4A35" type="male">1♂</specimenCount>
;
<materialsCitation id="D8D4D704DBCD0EBECA4CF97BABB37B07" collectingDate="1936-03" collectorName="J. Ghesquiere" country="Democratic Republic of the Congo" location="Eala" specimenCount="1" stateProvince="Equateur">
<collectingRegion id="3A91E0D9D7A9470A2B0F7AA183D9B04B" country="Democratic Republic of the Congo" name="Equateur">Equateur</collectingRegion>
,
<location id="00C156A9C054936EF98B8025D82AAC75" LSID="urn:lsid:plazi:treatment:7220A207FAF45ACBA7C83B7B13D2F214:00C156A9C054936EF98B8025D82AAC75" country="Democratic Republic of the Congo" name="Eala" stateProvince="Equateur">Eala</location>
;
<collectingDate id="A21744D9F11EB52866D3C69C97F57F48" value="1936-03">Mar 1936</collectingDate>
;
<collectorName id="A96DD51AB97767C74250376AFEAC2508">
J.
<normalizedToken id="B6BAFE20E7D36EA1B4CC4F329B848CA4" originalValue="Ghesquière">Ghesquiere</normalizedToken>
</collectorName>
leg.; RMNH
</materialsCitation>
<specimenCount id="69F31460ADE73398817E2F931E1B55F7" type="male">1♂</specimenCount>
;
<materialsCitation id="9A00F4B9F2A3EB478767E8C7A702B1D7" collectingDate="1935-04-05" collectorName="J. Ghesquiere" country="Democratic Republic of the Congo" location="Eala" specimenCount="1" stateProvince="Equateur">
<collectingRegion id="8291B1DF6343D5773D021E04F3B16390" country="Democratic Republic of the Congo" name="Equateur">Equateur</collectingRegion>
,
<location id="14D81683942C898C5C502B6046DE0D74" LSID="urn:lsid:plazi:treatment:7220A207FAF45ACBA7C83B7B13D2F214:14D81683942C898C5C502B6046DE0D74" country="Democratic Republic of the Congo" name="Eala" stateProvince="Equateur">Eala</location>
;
<collectingDate id="A662037158B3CD00CBEA410C9D6017CD" value="1935-04-05">5 Apr 1935</collectingDate>
;
<collectorName id="2CF05BE038A92A8946CE99AC84325105">
J.
<normalizedToken id="FBAD64A5770E6442263E3E31B6416782" originalValue="Ghesquière">Ghesquiere</normalizedToken>
</collectorName>
leg.; RMNH
</materialsCitation>
<specimenCount id="D85F01E9F77976BD219884C81FB9055D" type="male">1♂</specimenCount>
;
<materialsCitation id="E04728F0ECED8C206902CFDFF5811D78" collectingDate="1935-09" collectorName="J. Ghesquiere" country="Democratic Republic of the Congo" location="Eala" specimenCount="1" stateProvince="Equateur">
<collectingRegion id="0AE6D427F2732D426360FA3CEE535DCB" country="Democratic Republic of the Congo" name="Equateur">Equateur</collectingRegion>
,
<location id="E7D0480D989D937EC89BC6DCA3CAA1F1" LSID="urn:lsid:plazi:treatment:7220A207FAF45ACBA7C83B7B13D2F214:E7D0480D989D937EC89BC6DCA3CAA1F1" country="Democratic Republic of the Congo" name="Eala" stateProvince="Equateur">Eala</location>
;
<collectingDate id="3C9764855A930237511BCA4C0652315D" value="1935-09">Sep 1935</collectingDate>
;
<collectorName id="0A2328F8FBE1A469733046EE29316A30">
J.
<normalizedToken id="22664C48730F65A947ED4D98FA98F5DF" originalValue="Ghesquière">Ghesquiere</normalizedToken>
</collectorName>
leg.; RMNH
</materialsCitation>
<specimenCount id="1AC3BE455BEC4119BD72DDBC2652C893" type="female">1♀</specimenCount>
;
<materialsCitation id="ABFEF1E76A19C597A9816B29948A3291" collectingDate="1936-01" collectorName="J. Ghesquiere" country="Democratic Republic of the Congo" location="Eala" specimenCount="1" stateProvince="Equateur">
<collectingRegion id="587CFB245112E655B24F3C840E94AA43" country="Democratic Republic of the Congo" name="Equateur">Equateur</collectingRegion>
,
<location id="8E660DAB9C58980D6CE5CBB1C596982F" LSID="urn:lsid:plazi:treatment:7220A207FAF45ACBA7C83B7B13D2F214:8E660DAB9C58980D6CE5CBB1C596982F" country="Democratic Republic of the Congo" name="Eala" stateProvince="Equateur">Eala</location>
;
<collectingDate id="EC88AC47700F84AD1042CDAD7CDE562E" value="1936-01">Jan 1936</collectingDate>
;
<collectorName id="F1CFBA3044CEF1BBD4E80C8F8F881783">
J.
<normalizedToken id="9CE6D9D0B7A85767F9A9343E6A2BFC9F" originalValue="Ghesquière">Ghesquiere</normalizedToken>
</collectorName>
leg.; RMNH
</materialsCitation>
<specimenCount id="2F029E1DB3C3A11D5DFC42029B707E80" type="male">2♂♂</specimenCount>
<specimenCount id="C46CA0D536EBB659E4E1253F708DA477" type="female">2♀♀</specimenCount>
;
<materialsCitation id="DFD623AAD336190E738E85F3BF8F80BB" collectingDate="1936-02" collectorName="J. Ghesquiere" country="Democratic Republic of the Congo" location="Eala" specimenCount="1" stateProvince="Equateur">
<collectingRegion id="BA1C23F86260435BD2C6B0469C148FCA" country="Democratic Republic of the Congo" name="Equateur">Equateur</collectingRegion>
,
<location id="9022499AE7EF3690C3DD25221BF44CE9" LSID="urn:lsid:plazi:treatment:7220A207FAF45ACBA7C83B7B13D2F214:9022499AE7EF3690C3DD25221BF44CE9" country="Democratic Republic of the Congo" name="Eala" stateProvince="Equateur">Eala</location>
;
<collectingDate id="87EEA9BD0C0C6736D5A4C134CF07F16A" value="1936-02">Feb 1936</collectingDate>
;
<collectorName id="7EDAAA56DF0D850E36C57DFF9421FACF">
J.
<normalizedToken id="F715B07A711AF231FF2464D4F98617F6" originalValue="Ghesquière">Ghesquiere</normalizedToken>
</collectorName>
leg.; RMNH
</materialsCitation>
<specimenCount id="8ABDCC46DB7DDA6EFFCE7FBF66C3BB41" type="male">5♂♂</specimenCount>
<specimenCount id="8F9EF6D414EDC8353E465A14EF41040B" type="female">1♀</specimenCount>
;
<materialsCitation id="854546C27A3B5ED1CAF8E340EBBB2441" collectingDate="1936-03" collectorName="J. Ghesquiere" country="Democratic Republic of the Congo" location="Eala" specimenCount="1" stateProvince="Equateur">
<collectingRegion id="CD34BDDB89BFEC83C836E1586F634E1E" country="Democratic Republic of the Congo" name="Equateur">Equateur</collectingRegion>
,
<location id="74827A3FA092BD72213F5885DC3CE41E" LSID="urn:lsid:plazi:treatment:7220A207FAF45ACBA7C83B7B13D2F214:74827A3FA092BD72213F5885DC3CE41E" country="Democratic Republic of the Congo" name="Eala" stateProvince="Equateur">Eala</location>
;
<collectingDate id="BB9C353C91E6FE28153989CCF5D9C72B" value="1936-03">Mar 1936</collectingDate>
;
<collectorName id="8EB060BF88407E631BF1220B0E84FC7F">
J.
<normalizedToken id="9FFCE2F42257B888AF2853D0849AF622" originalValue="Ghesquière">Ghesquiere</normalizedToken>
</collectorName>
leg.; RMNH
</materialsCitation>
<specimenCount id="5B7A8E7A07434247050F69EC1F23BF06" type="female">1♀</specimenCount>
;
<materialsCitation id="3B1240366A1FCB5E9DEC31233CA25685" collectingDate="1936-09" collectorName="J. Ghesquiere" country="Democratic Republic of the Congo" location="Eala" specimenCount="1" stateProvince="Equateur">
<collectingRegion id="328B50680DDDD42E2C7CA60F2522E62D" country="Democratic Republic of the Congo" name="Equateur">Equateur</collectingRegion>
,
<location id="5C7E5D3A6C1F1E4A5D279E83D5B6CF28" LSID="urn:lsid:plazi:treatment:7220A207FAF45ACBA7C83B7B13D2F214:5C7E5D3A6C1F1E4A5D279E83D5B6CF28" country="Democratic Republic of the Congo" name="Eala" stateProvince="Equateur">Eala</location>
;
<collectingDate id="6A903594678748F4359DAFD9E5AF6DC1" value="1936-09">Sep 1936</collectingDate>
;
<collectorName id="C857F4A7E1788C64AFD0BD30E9FD4C8A">
J.
<normalizedToken id="8B4352E50D00F31C30C2C1AAE7D1B8AD" originalValue="Ghesquière">Ghesquiere</normalizedToken>
</collectorName>
leg.; RMNH
</materialsCitation>
<specimenCount id="149964AD6232F556D43A2BA215A2C4BC" type="female">1♀</specimenCount>
;
<materialsCitation id="9F033FE2A0B0151CDF96D3B7BAF03224" collectingDate="1936-09-28" collectorName="J. Ghesquiere" country="Democratic Republic of the Congo" location="Eala" specimenCount="1" stateProvince="Equateur">
<collectingRegion id="6C270D0046770933ED7AF5DD1F4E0174" country="Democratic Republic of the Congo" name="Equateur">Equateur</collectingRegion>
,
<location id="354693CDA61FECB9F4D1F7FD641AB5D6" LSID="urn:lsid:plazi:treatment:7220A207FAF45ACBA7C83B7B13D2F214:354693CDA61FECB9F4D1F7FD641AB5D6" country="Democratic Republic of the Congo" name="Eala" stateProvince="Equateur">Eala</location>
;
<collectingDate id="B938AE35D0E3AD45F5FFC684721681BF" value="1936-09-28">28 Sep 1936</collectingDate>
;
<collectorName id="4319E15EC2DDBC85ABC0260D0134CDA4">
J.
<normalizedToken id="18F821E22DF203505291BFF18BBC1847" originalValue="Ghesquière">Ghesquiere</normalizedToken>
</collectorName>
leg.; RMNH
</materialsCitation>
<specimenCount id="0DD7E82D0010B5F2173B19445FD4AA6C" type="male">1♂</specimenCount>
<specimenCount id="CC657F191516C4B980A93D015967A0EF" type="female">2♀♀</specimenCount>
;
<materialsCitation id="C3B33223AB2ABF8ECD2894A3D61CFFCD" collectingDate="1936-12" collectorName="J. Ghesquiere" country="Democratic Republic of the Congo" location="Eala" specimenCount="1" stateProvince="Equateur">
<collectingRegion id="03E7818E94E745A6E2010E8CC8248C14" country="Democratic Republic of the Congo" name="Equateur">Equateur</collectingRegion>
,
<location id="27267C7A1571307231D8960A5B5367AD" LSID="urn:lsid:plazi:treatment:7220A207FAF45ACBA7C83B7B13D2F214:27267C7A1571307231D8960A5B5367AD" country="Democratic Republic of the Congo" name="Eala" stateProvince="Equateur">Eala</location>
;
<collectingDate id="CBBA314941CF7F94E87A6130140BF822" value="1936-12">Dec 1936</collectingDate>
;
<collectorName id="7DE2684F0A98DF2173C550E6655BDF97">
J.
<normalizedToken id="AFE197E7C9751E92AA95BCDEBD7F9E6C" originalValue="Ghesquière">Ghesquiere</normalizedToken>
</collectorName>
leg.; RMNH
</materialsCitation>
<specimenCount id="BE60E4E73366770BC58D623F460DE4F5" type="male">1♂</specimenCount>
;
<materialsCitation id="038831D6DE96D0F6BE42843BFA1FA0C2" collectingDate="1935-07-25" collectorName="J. Ghesquiere" country="Democratic Republic of the Congo" location="Eala" specimenCount="1" stateProvince="Equateur">
<collectingRegion id="C88D545620333C40DDE16F2DC662BC54" country="Democratic Republic of the Congo" name="Equateur">Equateur</collectingRegion>
,
<location id="81E256EB7ACFB6172B64A1C573AF5181" LSID="urn:lsid:plazi:treatment:7220A207FAF45ACBA7C83B7B13D2F214:81E256EB7ACFB6172B64A1C573AF5181" country="Democratic Republic of the Congo" name="Eala" stateProvince="Equateur">Eala</location>
;
<collectingDate id="CCF7A3E0707756C6A1B02C724C8F58CD" value="1935-07-25">25 Jul 1935</collectingDate>
;
<collectorName id="1833BDDA40076486EB0F7F35F9D2BDD7">
J.
<normalizedToken id="FCCF8CB1126970605723DE7B8273A77B" originalValue="Ghesquière">Ghesquiere</normalizedToken>
</collectorName>
leg.; KBIN
</materialsCitation>
<specimenCount id="92408917A8BA7DAF666195D2E38BE6A5" type="male">2♂♂</specimenCount>
<specimenCount id="5D5FECBFC2BD062016237B0F809C45E5" type="female">1♀</specimenCount>
;
<materialsCitation id="C1D4B7A9A4F1776B21BF992A4230EC1B" collectingDate="1935-08" collectorName="J. Ghesquiere" country="Democratic Republic of the Congo" location="Eala" specimenCount="1" stateProvince="Equateur">
<collectingRegion id="254489930D5201E647521D5456BD11A8" country="Democratic Republic of the Congo" name="Equateur">Equateur</collectingRegion>
,
<location id="8DFA9089806195D7BEE48DE6B1E572FE" LSID="urn:lsid:plazi:treatment:7220A207FAF45ACBA7C83B7B13D2F214:8DFA9089806195D7BEE48DE6B1E572FE" country="Democratic Republic of the Congo" name="Eala" stateProvince="Equateur">Eala</location>
;
<collectingDate id="C8DCFD5B2E128B087E5ABE4D9E73849C" value="1935-08">Aug 1935</collectingDate>
;
<collectorName id="FDC55DFCA42FD7F4C16EC0578D5AE749">
J.
<normalizedToken id="D7C9F291CFEEB43C6BDE5B7A31B4E6FC" originalValue="Ghesquière">Ghesquiere</normalizedToken>
</collectorName>
leg.; KBIN
</materialsCitation>
<specimenCount id="861DE63E57741E523A1238AD39175FD7" type="male">1♂</specimenCount>
;
<materialsCitation id="EB0F83C3980C626587E6DBBC918413B3" collectingDate="1935-09" collectorName="J. Ghesquiere" country="Democratic Republic of the Congo" location="Eala" specimenCount="1" stateProvince="Equateur">
<collectingRegion id="55DB551574C473E59200FE45CAD14C87" country="Democratic Republic of the Congo" name="Equateur">Equateur</collectingRegion>
,
<location id="58B0C9488B08D9FAF033A16782B2F6EB" LSID="urn:lsid:plazi:treatment:7220A207FAF45ACBA7C83B7B13D2F214:58B0C9488B08D9FAF033A16782B2F6EB" country="Democratic Republic of the Congo" name="Eala" stateProvince="Equateur">Eala</location>
;
<collectingDate id="413116E82E9C27E76AA832051D2FFEC0" value="1935-09">Sep 1935</collectingDate>
;
<collectorName id="F5CA25D688755D963AA1304CD9BF443D">
J.
<normalizedToken id="65FB9A90056D93E1CFD74D4A0289D713" originalValue="Ghesquière">Ghesquiere</normalizedToken>
</collectorName>
leg.; KBIN
</materialsCitation>
<specimenCount id="B45983BE8732163BEF0D65BCD4127155" type="female">1♀</specimenCount>
;
<materialsCitation id="453E7EBF633ED5BADB0029B09B1165CE" collectingDate="1935-12" collectorName="J. Ghesquiere" country="Democratic Republic of the Congo" location="Eala" specimenCount="1" stateProvince="Equateur">
<collectingRegion id="803DE326A6D826D96E7FCB2241F97F8D" country="Democratic Republic of the Congo" name="Equateur">Equateur</collectingRegion>
,
<location id="C6B8B99AAE2A8AB57B4E57A1C5FB602A" LSID="urn:lsid:plazi:treatment:7220A207FAF45ACBA7C83B7B13D2F214:C6B8B99AAE2A8AB57B4E57A1C5FB602A" country="Democratic Republic of the Congo" name="Eala" stateProvince="Equateur">Eala</location>
;
<collectingDate id="673693F41C3E1CFE1CC3BAAF2347611E" value="1935-12">Dec 1935</collectingDate>
;
<collectorName id="C6D10EFE049DD869B08EA1821314FF9B">
J.
<normalizedToken id="2DC3AB05890C79761437AC24EAD1D385" originalValue="Ghesquière">Ghesquiere</normalizedToken>
</collectorName>
leg.; KBIN
</materialsCitation>
<specimenCount id="E154FE5C0E011569FBA46C1EE4EC4179" type="female">1♀</specimenCount>
;
<materialsCitation id="E17B0EFBA4CABB182750DFA8A1570070" collectingDate="1915-06-01" collectorName="Lang, Chapin" country="Democratic Republic of the Congo" location="Leopoldville" specimenCount="1" stateProvince="Kinshasa">
<normalizedToken id="783E8AED24D610979512C2FA9CF79FBE" originalValue="Léopoldville">
<location id="F7EAA3918B0DE809C3FA87ABD195B4C1" LSID="urn:lsid:plazi:treatment:7220A207FAF45ACBA7C83B7B13D2F214:F7EAA3918B0DE809C3FA87ABD195B4C1" country="Democratic Republic of the Congo" name="Leopoldville" stateProvince="Kinshasa">Leopoldville</location>
</normalizedToken>
[=
<collectingRegion id="89E0D55E681F3D68EEE14C380CB821C4" country="Democratic Republic of the Congo" name="Kinshasa">Kinshasa</collectingRegion>
];
<collectingDate id="99033DB2B1A07A2BDBAF307FEF545E63" value="1915-06-01">1 Jun 1915</collectingDate>
;
<collectorName id="6052A9A865059D1B515E9EC3EF6A4847">Lang</collectorName>
and
<collectorName id="8D860E2520BCBE4FB2528C094D359977">Chapin</collectorName>
leg.; KMMA
</materialsCitation>
.
<materialsCitation id="34C61CD45A35EE3266EAA93512B06DFE" collectingDate="2021-01-01" collectingDateMax="2021-12-31" collectingDateMin="2021-01-01" country="Nigeria" location="Nigeria" specimenCount="1" specimenCount-male="1">
<collectingCountry id="76D343DE843827B8A3D59CF119D87D49" name="Nigeria">Nigeria</collectingCountry>
<specimenCount id="FE2AD105A27BBE65183C4B473C71DE75" type="male">1♂</specimenCount>
</materialsCitation>
;
<materialsCitation id="3FA19F39481A36E59371F524F7294B69" collectingDate="2004-11-18" collectorName="G. Goergen" country="Nigeria" location="Station" municipality="Ibadan" specimenCount="1">
<collectingMunicipality id="2A047E2C4C95CF0ABADA780FFD90C7FF">Ibadan</collectingMunicipality>
, IITA
<location id="4C686291351A4582BA0001EA88472F81" LSID="urn:lsid:plazi:treatment:7220A207FAF45ACBA7C83B7B13D2F214:4C686291351A4582BA0001EA88472F81" country="Nigeria" municipality="Ibadan" name="Station">Station</location>
;
<collectingDate id="22EF6215EA1F85CA44BE3493595F4B9F" value="2004-11-18">18 Nov 2004</collectingDate>
;
<collectorName id="7256A7877AEFA86AA7D572CAA3CD767D">G. Goergen</collectorName>
leg.; IITA
</materialsCitation>
.
</paragraph>
<caption id="1B843EF4F70153EFE1C7FF3D4667DF94" doi="10.3897/zookeys.1046.57052.figures25-26" httpUri="https://binary.pensoft.net/fig/557474" pageId="0" pageNumber="1" start="Figures 25, 26" startId="F13">
<paragraph id="2A0D6AF60302EDFEB30E3D7EF401A0D5" pageId="0" pageNumber="1">
<emphasis id="4A5D48DC13025F99E0D6E6AFBF20F618" bold="true" pageId="0" pageNumber="1">Figures 25, 26.</emphasis>
<taxonomicName id="662B1EBD89406EA2BAF7BD74836A93DC" authorityName="Rondani" authorityYear="1857" class="Insecta" family="Syrphidae" genus="Mesembrius" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Mesembrius" order="Diptera" pageId="0" pageNumber="1" phylum="Arthropoda" rank="genus">
<emphasis id="600051FF5590AC30ABC723DEDD534F78" italics="true" pageId="0" pageNumber="1">Mesembrius</emphasis>
</taxonomicName>
spp., habitus, lateral view
<specimenCount id="8E748F73D07A84C500FD83386B923645" type="generic">
<emphasis id="833C282A1916BF5EA8238D5C9AA31E53" bold="true" pageId="0" pageNumber="1">25</emphasis>
<taxonomicName id="717174E5D99C477B53FDFDE7BDDBC180" lsidName="M. tibialis" pageId="0" pageNumber="1" rank="species" species="tibialis">
<emphasis id="1EA7AC61666070400510F486E34AFCA6" italics="true" pageId="0" pageNumber="1">M. tibialis</emphasis>
</taxonomicName>
</specimenCount>
sp. nov. (
<specimenCount id="EF3014934D7FB4B96504CF183D8F4988"></specimenCount>
)
<specimenCount id="02CA8AD276214E18D75134EE15593C0E" type="generic">
<emphasis id="7C3D43146AEF85AF149842549C36FA85" bold="true" pageId="0" pageNumber="1">26</emphasis>
<taxonomicName id="EAE69C9AA4675BACFDF05DCC8B3A4183" lsidName="M. vockerothi" pageId="0" pageNumber="1" rank="species" species="vockerothi">
<emphasis id="EAFCA806E68EF6CCE7DF52CE22BF491D" italics="true" pageId="0" pageNumber="1">M. vockerothi</emphasis>
</taxonomicName>
</specimenCount>
sp. nov. (
<specimenCount id="4A9879D55BC7743E28E900BDFD4ADBB8"></specimenCount>
).
</paragraph>
</caption>
</subSubSection>
<subSubSection id="F99F22DAFBE2A26B512A15F22D185A32" pageId="0" pageNumber="1" type="description">
<paragraph id="B89FA17CD6B438B7379136BC5982C275" pageId="0" pageNumber="1">Re-description male</paragraph>
<paragraph id="191C435B3129886EF9FA28D55B2520A7" pageId="0" pageNumber="1">
<emphasis id="CB00FF417A7D9B6762E1984E50AB83F2" bold="true" pageId="0" pageNumber="1">
(Fig.
<figureCitation id="99AAE7D8374C99EE0321AE2683346F2D" captionStart="Figures 7, 8" captionStartId="F4" captionText="Figures 7, 8. Mesembrius spp., habitus, lateral view 7 M. capensis (Macquart) (♂) 8 M. chapini Curran (♂)." figureDoi="10.3897/zookeys.1046.57052.figures7-8" httpUri="https://binary.pensoft.net/fig/557465" pageId="0" pageNumber="1">8</figureCitation>
).
</emphasis>
Body length: 14.0-17.2 mm. Wing length: 10.2-11.3 mm.
</paragraph>
<caption id="5E088367043F2620DE28C12A8AF07BEE" doi="10.3897/zookeys.1046.57052.figures27-28" httpUri="https://binary.pensoft.net/fig/557475" pageId="0" pageNumber="1" start="Figures 27, 28" startId="F14">
<paragraph id="41528E667836080848560716524789C6" pageId="0" pageNumber="1">
<emphasis id="F390702EFCD5F6AE4BFD72D4FF34A85D" bold="true" pageId="0" pageNumber="1">Figures 27, 28.</emphasis>
<taxonomicName id="9665AF1B14E3830C5FBE62F492BCBCB4" authorityName="Rondani" authorityYear="1857" class="Insecta" family="Syrphidae" genus="Mesembrius" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Mesembrius" order="Diptera" pageId="0" pageNumber="1" phylum="Arthropoda" rank="genus">
<emphasis id="F3A6CDD3B1F535D2CA9EBB84E75CB531" italics="true" pageId="0" pageNumber="1">Mesembrius</emphasis>
</taxonomicName>
spp., habitus, lateral view
<emphasis id="A3D84005953CAE22D652822810969D48" bold="true" pageId="0" pageNumber="1">27</emphasis>
<taxonomicName id="F992B201EC089CD3222172051B58633B" lsidName="M. caffer" pageId="0" pageNumber="1" rank="species" species="caffer">
<emphasis id="3C1B118CDB1493A6A7F1E8A5698A20E3" italics="true" pageId="0" pageNumber="1">M. caffer</emphasis>
</taxonomicName>
(Loew) (nominal morph) (♀)
<emphasis id="9C51BC52837AAF3741C7E0D95A18B036" bold="true" pageId="0" pageNumber="1">28</emphasis>
<taxonomicName id="D987AF0D6F72DB96850E8018328DEF08" lsidName="M. caffer" pageId="0" pageNumber="1" rank="species" species="caffer">
<emphasis id="5BEF87F71C1CD67DD5D3B308A6C6591C" italics="true" pageId="0" pageNumber="1">M. caffer</emphasis>
</taxonomicName>
(Loew) (spined morph) (♀).
</paragraph>
</caption>
<paragraph id="85EA39331F8F10A1C9430446E1D98BE8" pageId="0" pageNumber="1">
<emphasis id="0FB5D64559D29792925192B6003D46DB" bold="true" italics="true" pageId="0" pageNumber="1">Head</emphasis>
(Fig.
<figureCitation id="C46DA59999E287E665B3ABC100C925B2" captionStart="Figures 4651" captionStartId="F24" captionText="Figures 46 - 51. Mesembrius spp., head, frontal view 46 M. arcuatus sp. nov. (♂) 47 M. caffer (Loew) (nominal morph) (♂) 48 M. caffer (Loew) (spined morph) (♂) 49 M. ctenifer Hull syn. nov. (♂) 50 M. capensis (Macquart) (♂) 51 M. chapini Curran (♂)." figureDoi="10.3897/zookeys.1046.57052.figures46-51" httpUri="https://binary.pensoft.net/fig/557485" pageId="0" pageNumber="1">51</figureCitation>
). Eyes bare; holoptic, eye contiguity almost as long as length of ocellar triangle. Face white with dark medial vitta; white pilose; white pollinose. Vertical triangle black; black pilose; yellow pollinose on ventral half. Distance between lateral ocellus and eye margin 1/2 width of ocellus. Frontal triangle short; yellow-white; with some long, black pile; yellow pollinose. Frontal prominence shiny black with orange-brown apex. Occiput yellow; yellow pilose; with some shorter and thicker black pile near eye margin; yellow and white pollinose. Antenna, scape and pedicel reddish-brown; postpedicel black; antennal arista reddish-brown.
</paragraph>
<caption id="3FCD0184EF29C4E1A08F5F19368A3F1E" doi="10.3897/zookeys.1046.57052.figures29-30" httpUri="https://binary.pensoft.net/fig/557476" pageId="0" pageNumber="1" start="Figures 29, 30" startId="F15">
<paragraph id="684E2F171A9F59BB7220710C847E060C" pageId="0" pageNumber="1">
<emphasis id="2AEF86AB82E0DBE55C0EE3EC5DDE264A" bold="true" pageId="0" pageNumber="1">Figures 29, 30.</emphasis>
<taxonomicName id="1644730E7A2A3991C5794426CBAB46D6" authorityName="Rondani" authorityYear="1857" class="Insecta" family="Syrphidae" genus="Mesembrius" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Mesembrius" order="Diptera" pageId="0" pageNumber="1" phylum="Arthropoda" rank="genus">
<emphasis id="537336DDA7B88C43E4D586C0AFC5FC52" italics="true" pageId="0" pageNumber="1">Mesembrius</emphasis>
</taxonomicName>
spp., habitus, lateral view
<emphasis id="AD6E5D121A6970AF035A8D7A9DD8C812" bold="true" pageId="0" pageNumber="1">29</emphasis>
<taxonomicName id="E8566267637DF9A348E0DF54D4576784" lsidName="M. ctenifer" pageId="0" pageNumber="1" rank="species" species="ctenifer">
<emphasis id="990274EB62A39A2D1F542CE0EB379610" italics="true" pageId="0" pageNumber="1">M. ctenifer</emphasis>
</taxonomicName>
syn. nov. Hull (♀)
<emphasis id="647D89D364123514A1DBC977E0CB212D" bold="true" pageId="0" pageNumber="1">30</emphasis>
<taxonomicName id="D5A60629F66CDBE2086CAE7A891AC768" lsidName="M. capensis" pageId="0" pageNumber="1" rank="species" species="capensis">
<emphasis id="4870572D752A6A8F5C8BD7CD57648D4A" italics="true" pageId="0" pageNumber="1">M. capensis</emphasis>
</taxonomicName>
(Macquart) (♀).
</paragraph>
</caption>
<paragraph id="A6E3C60058D8A67F3E77D7AF46992860" pageId="0" pageNumber="1">
<emphasis id="DB2A104D4EA1C50637E3BE88C405AF90" bold="true" italics="true" pageId="0" pageNumber="1">Thorax.</emphasis>
Scutum black with dorsally a pair of well-demarcated yellow vittae which are largely connected posteriorly. Scutum with faint lateral vitta; yellow and black pilose. Scutellum uniformly yellow-brown; with long yellow and shorter black pile.
</paragraph>
<caption id="186650F4A6135090468AC481CA8E800A" doi="10.3897/zookeys.1046.57052.figures31-32" httpUri="https://binary.pensoft.net/fig/557477" pageId="0" pageNumber="1" start="Figures 31, 32" startId="F16">
<paragraph id="B2107BD85EF632D5CAD59809C6789A72" pageId="0" pageNumber="1">
<emphasis id="F89346C4FA1A4DFBAFDCF32F9F032E7F" bold="true" pageId="0" pageNumber="1">Figures 31, 32.</emphasis>
<taxonomicName id="3A74CA48A2B9F94D2265360495705E68" authorityName="Rondani" authorityYear="1857" class="Insecta" family="Syrphidae" genus="Mesembrius" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Mesembrius" order="Diptera" pageId="0" pageNumber="1" phylum="Arthropoda" rank="genus">
<emphasis id="CD0D8FC43DD6EDF0DAE73AD59B6E728D" italics="true" pageId="0" pageNumber="1">Mesembrius</emphasis>
</taxonomicName>
spp., habitus, lateral view
<emphasis id="47F0569E19D2E09D533576DED8C54774" bold="true" pageId="0" pageNumber="1">31</emphasis>
<taxonomicName id="3FE7446C19C5F353B30083E912ABBFED" lsidName="M. chapini" pageId="0" pageNumber="1" rank="species" species="chapini">
<emphasis id="975450ACA8CC2CF49558ECB381758B0C" italics="true" pageId="0" pageNumber="1">M. chapini</emphasis>
</taxonomicName>
Curran (♀)
<emphasis id="DF18DDA1CFECC6AA297D07CB0AE0DC6A" bold="true" pageId="0" pageNumber="1">32</emphasis>
<taxonomicName id="C29CF0B95A5A28C8620F3ECE101C3D9B" lsidName="M. cyanipennis" pageId="0" pageNumber="1" rank="species" species="cyanipennis">
<emphasis id="B8DB88207D679F124D6366BE92896849" italics="true" pageId="0" pageNumber="1">M. cyanipennis</emphasis>
</taxonomicName>
(Bezzi) (♀).
</paragraph>
</caption>
<paragraph id="E2DE526D09CE67C1CA5EE2BFD97077C0" pageId="0" pageNumber="1">
<emphasis id="B9CAF9778A10A12C2887D53FB59D1A7C" bold="true" italics="true" pageId="0" pageNumber="1">Legs.</emphasis>
All legs chocolate-brown; tarsi chocolate-brown. Proleg (Fig.
<figureCitation id="735874DDCB0D498569029E86FCCCCD89" captionStart="Figures 151154" captionStartId="F45" captionText="Figures 151 - 154. Mesembrius, proleg, dorsal view 151 M. chapini Curran (♂) 152 M. perforatus (Speiser) (♂) 153 M. regulus (Hull) (♂) 154 M. rex Curran (♂). Abbreviations: bt-basitarsus, fem-femur, tib-tibia." figureDoi="10.3897/zookeys.1046.57052.figures151-154" httpUri="https://binary.pensoft.net/fig/557506" pageId="0" pageNumber="1">151</figureCitation>
): Femur dorsoventrally flattened; posterodorsal side with sparse, long black and yellow pile in proximal half; with apical pile brush of long, dense and curved yellow thick pile, this yellow pile is longer in the distal 1/3 and is interspersed with equally long black pile; ventrally with long, black pile. Basitarsus without tuft of orange or black pile posteriorly. Mesoleg: Femur with long, yellow pile on proximal 2/3 and long black pile on distal 1/3. Tibia and tarsi black pilose. Metaleg (Fig.
<figureCitation id="9750E21ED59E1AC9A9B1CD991A7FE357" captionStart="Figures 185188" captionStartId="F53" captionText="Figures 185 - 188. Mesembrius spp., mesoleg, dorsal view 185 M. perforatus (Speiser) (♀). Metaleg, posterior view 186 M. chapini Curran (♂) 187 M. sulcus sp. nov. (♂). Metaleg, ventral view 188 M. tibialis sp. nov. (♂). Abbreviations: bt-basitarsus, fem-femur, tib-tibia." figureDoi="10.3897/zookeys.1046.57052.figures185-188" httpUri="https://binary.pensoft.net/fig/557513" pageId="0" pageNumber="1">186</figureCitation>
): Femur long and thin, slightly curved pile; pile on dorsal and anterior side inconspicuous, except for some long, black pile at anterior distal end; patch of long yellow pile on proximal part; with row of very short and thick black spines on ventral distal half; with 2-5 very long, thick black pile in ventral middle; posteriorly with loose, long yellow and black pile which becomes denser at distal end. Tibia with long, black pile, especially in distal 2/3; anteriorly with shallow excavation in the middle; posteriorly with deep and broad bare excavation in proximal 1/3. Tarsi black pilose dorsally, orange pilose ventrally.
</paragraph>
<caption id="56724978BC68F75A653CACA98C9DBCBB" doi="10.3897/zookeys.1046.57052.figures33-34" httpUri="https://binary.pensoft.net/fig/557478" pageId="0" pageNumber="1" start="Figures 33, 34" startId="F17">
<paragraph id="9DDF84153255971F1FEB6FE42F50E551" pageId="0" pageNumber="1">
<emphasis id="727E577073FFD03B2BC80E994218E5F7" bold="true" pageId="0" pageNumber="1">Figures 33, 34.</emphasis>
<taxonomicName id="4C25672AD1596F2CA25C98A7FB9B4477" authorityName="Rondani" authorityYear="1857" class="Insecta" family="Syrphidae" genus="Mesembrius" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Mesembrius" order="Diptera" pageId="0" pageNumber="1" phylum="Arthropoda" rank="genus">
<emphasis id="292EAF5D5A8439F3C9F225A737407FA4" italics="true" pageId="0" pageNumber="1">Mesembrius</emphasis>
</taxonomicName>
spp., habitus, lateral view
<emphasis id="9C79F85C34A0E79B3B52F9BD8C407CB0" bold="true" pageId="0" pageNumber="1">33</emphasis>
<taxonomicName id="1455F6B4E2F47EBB04D5AE305D55F59C" lsidName="M. maculifer" pageId="0" pageNumber="1" rank="species" species="maculifer">
<emphasis id="4BD1F84CAEC1AA90B96C8E25C0593891" italics="true" pageId="0" pageNumber="1">M. maculifer</emphasis>
</taxonomicName>
Hull (♀)
<emphasis id="82AFA29FEFC441A220037073373FF62B" bold="true" pageId="0" pageNumber="1">34</emphasis>
<taxonomicName id="0B6AA6AAD7CFBD9CD972F1D8B6D141D3" lsidName="M. madagascariensis" pageId="0" pageNumber="1" rank="species" species="madagascariensis">
<emphasis id="9EA3BEF24B7233779B4A325B61BAC1CB" italics="true" pageId="0" pageNumber="1">M. madagascariensis</emphasis>
</taxonomicName>
Keiser (♀).
</paragraph>
</caption>
<paragraph id="FAB9B43C936A37BC75C6DDB4C7583E74" pageId="0" pageNumber="1">
<emphasis id="27A5EB7D7C1E522A9719F41ED5ECFC4C" bold="true" italics="true" pageId="0" pageNumber="1">Wing</emphasis>
(Fig.
<figureCitation id="A91894B6A81439A99C5770EBF97E23FD" captionStart="Figures 127130" captionStartId="F39" captionText="Figures 127 - 130. Mesembrius spp., right wing 127 M. arcuatus sp. nov. (♂) 128 M. caffer (Loew) (nominal morph) (♂) 129 M. capensis (Macquart) (♂) 130 M. chapini Curran (♂)." figureDoi="10.3897/zookeys.1046.57052.figures127-130" httpUri="https://binary.pensoft.net/fig/557500" pageId="0" pageNumber="1">130</figureCitation>
). Entire wing dark, uniformly dense microtrichose.
</paragraph>
<caption id="DE64141601241FE10D80CCD1A728C6A0" doi="10.3897/zookeys.1046.57052.figures35-36" httpUri="https://binary.pensoft.net/fig/557479" pageId="0" pageNumber="1" start="Figures 35, 36" startId="F18">
<paragraph id="57BC57E1748D13FD5695F7F24608DB79" pageId="0" pageNumber="1">
<emphasis id="426626EFFBC0F0F777CE4D5C29CA2772" bold="true" pageId="0" pageNumber="1">Figures 35, 36.</emphasis>
<taxonomicName id="E54D51FC3779CD30615F756FB7DABE34" authorityName="Rondani" authorityYear="1857" class="Insecta" family="Syrphidae" genus="Mesembrius" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Mesembrius" order="Diptera" pageId="0" pageNumber="1" phylum="Arthropoda" rank="genus">
<emphasis id="1BF68227EB33F69898C77178D90DD210" italics="true" pageId="0" pageNumber="1">Mesembrius</emphasis>
</taxonomicName>
spp., habitus, lateral view
<emphasis id="50BEE6AD186D8F5B38AC1EF8A4160B78" bold="true" pageId="0" pageNumber="1">35</emphasis>
<taxonomicName id="5D8B0052628C0037034E59A3A30AE984" lsidName="M. minor" pageId="0" pageNumber="1" rank="species" species="minor">
<emphasis id="483B3288DEE0B5465C7A760C1939851A" italics="true" pageId="0" pageNumber="1">M. minor</emphasis>
</taxonomicName>
(Bezzi) (♀)
<emphasis id="0952A86DB5ED66A7AE8B4808ABF120A5" bold="true" pageId="0" pageNumber="1">36</emphasis>
<taxonomicName id="640564DD07FD0C7CD220BE346D9EB2E8" lsidName="M. morio" pageId="0" pageNumber="1" rank="species" species="morio">
<emphasis id="B8187A2C39B5FA4C942CDE9EA4F032D5" italics="true" pageId="0" pageNumber="1">M. morio</emphasis>
</taxonomicName>
(Bezzi) (♀).
</paragraph>
</caption>
<paragraph id="8614892B8F444E69308CE1813DF5842B" pageId="0" pageNumber="1">
<emphasis id="5D295393362F098980303CD28331E9C2" bold="true" italics="true" pageId="0" pageNumber="1">Abdomen</emphasis>
(Fig.
<figureCitation id="40ABB69854E7BCE05C848E5BA94CF082" captionStart="Figures 8388" captionStartId="F31" captionText="Figures 83 - 88. Mesembrius spp., abdomen, dorsal view 83 M. arcuatus sp. nov. (♂) 84 M. caffer (Loew) (nominal morph) (♂) 85 M. caffer (Loew) (spined morph) (♂) 86 M. ctenifer Hull syn. nov. (♂) 87 M. capensis (Macquart) (♂) 88 M. chapini Curran (♂)." figureDoi="10.3897/zookeys.1046.57052.figures83-88" httpUri="https://binary.pensoft.net/fig/557492" pageId="0" pageNumber="1">88</figureCitation>
). Tergite II with pair of very large, yellow rounded maculae; black markings hourglass-shaped; anterior and posterior black markings equal in size marking, but posterior black marking with stronger white pollinosity; yellow and black pilose, but black pile more conspicuous in posterior half of tergite and somewhat denser in posterolateral corners. Tergite III and IV with broad yellow fascia; black markings on posterior half vague because of white pollinosity, but more pronounced in medial part; black and yellow pilose, but black pile rare in anterior 1/4.
</paragraph>
<caption id="4EEB239A02D1D99FAC6A498273534E76" doi="10.3897/zookeys.1046.57052.figures37-38" httpUri="https://binary.pensoft.net/fig/557480" pageId="0" pageNumber="1" start="Figures 37, 38" startId="F19">
<paragraph id="7727172C65C067B34CE413FA7E83EB2D" pageId="0" pageNumber="1">
<emphasis id="6061CD6E7499678BD07CED2106C03F93" bold="true" pageId="0" pageNumber="1">Figures 37, 38.</emphasis>
<taxonomicName id="877E911AE2B798E381B472BC14F6F52D" authorityName="Rondani" authorityYear="1857" class="Insecta" family="Syrphidae" genus="Mesembrius" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Mesembrius" order="Diptera" pageId="0" pageNumber="1" phylum="Arthropoda" rank="genus">
<emphasis id="0C1C0E5373AE3DAFEC9E3BC36B78C964" italics="true" pageId="0" pageNumber="1">Mesembrius</emphasis>
</taxonomicName>
spp., habitus, lateral view
<emphasis id="4BE064D25308FC6D94B310FDA774C274" bold="true" pageId="0" pageNumber="1">37</emphasis>
<taxonomicName id="56CFBEC9128F28B310A680FA3C91D833" lsidName="M. platytarsis" pageId="0" pageNumber="1" rank="species" species="platytarsis">
<emphasis id="8F3B92B6B9ABAE72703BE02B83A39A7A" italics="true" pageId="0" pageNumber="1">M. platytarsis</emphasis>
</taxonomicName>
syn. nov. Curran (♀)
<emphasis id="AD58B93E0D54CA284ABF119E54937885" bold="true" pageId="0" pageNumber="1">38</emphasis>
<taxonomicName id="6A85F53CDE019304E8EE565DA813C4D1" lsidName="M. regulus" pageId="0" pageNumber="1" rank="species" species="regulus">
<emphasis id="285A8FD5FD5ADB42A2B3C8E20D6DE909" italics="true" pageId="0" pageNumber="1">M. regulus</emphasis>
</taxonomicName>
(Hull) (♀).
</paragraph>
</caption>
<paragraph id="0BEA5D768CA67884BF3E2113AD6CDE3F" pageId="0" pageNumber="1">
<emphasis id="2CD9B867E5A025FD22FCC55DA7275638" bold="true" italics="true" pageId="0" pageNumber="1">Genitalia</emphasis>
(Fig.
<figureCitation id="D0CEF042613E8413A16D052894D9C557" captionStart="Figures 205216" captionStartId="F58" captionText="Figures 205 - 216. Mesembrius spp., male genitalia, lateral view 205 M. arcuatus sp. nov. 206 M. caffer (Loew) (nominal morph) 207 M. caffer (Loew) (spined morph) 208 M. ctenifer Hull syn. nov. 209 M. capensis (Macquart) 210 M. chapini Curran 211 M. copelandi sp. nov. 212 M. cyanipennis (Bezzi) 213 M. ingratus (Loew) 214 M. longipilosus sp. nov. 215 M. madagascariensis Keiser 216 M. minor (Bezzi)." figureDoi="10.3897/zookeys.1046.57052.figures205-216" httpUri="https://binary.pensoft.net/fig/557518" pageId="0" pageNumber="1">210</figureCitation>
). Epandrium: Dorsal lobe of surstylus short, broadly rounded; with short black spines on almost entire surface. Ventral lobe of surstylus straight; bare.
</paragraph>
<caption id="33BB02E6A0217901E0F17CA7D90D8C4B" doi="10.3897/zookeys.1046.57052.figures39-40" httpUri="https://binary.pensoft.net/fig/557481" pageId="0" pageNumber="1" start="Figures 39, 40" startId="F20">
<paragraph id="AFDC215EC250CFAB7C40371DE22D603D" pageId="0" pageNumber="1">
<emphasis id="8B6E85A999167807934A4989A120A127" bold="true" pageId="0" pageNumber="1">Figures 39, 40.</emphasis>
<taxonomicName id="5C192191C057B78CE762DEF683FA6645" authorityName="Rondani" authorityYear="1857" class="Insecta" family="Syrphidae" genus="Mesembrius" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Mesembrius" order="Diptera" pageId="0" pageNumber="1" phylum="Arthropoda" rank="genus">
<emphasis id="C2118715ECE5436E4E6B41535CCDA3D5" italics="true" pageId="0" pageNumber="1">Mesembrius</emphasis>
</taxonomicName>
spp., habitus, lateral view
<emphasis id="8561D1455E8814FA0B29355D7A1302D8" bold="true" pageId="0" pageNumber="1">39</emphasis>
<taxonomicName id="9620913E21AD8C10A820A77551BEE086" lsidName="M. rex" pageId="0" pageNumber="1" rank="species" species="rex">
<emphasis id="78AA86ED9D24575E2ABDA828ED25774D" italics="true" pageId="0" pageNumber="1">M. rex</emphasis>
</taxonomicName>
Curran (♀)
<emphasis id="F4BF2F3C17575C0668201A0A56E4B470" bold="true" pageId="0" pageNumber="1">40</emphasis>
<taxonomicName id="2E10C5BF015228BF55C67EEE0F6EC7E0" lsidName="M. senegalensis" pageId="0" pageNumber="1" rank="species" species="senegalensis">
<emphasis id="EE02A69E2407A8995AEF33D0A5F52F1B" italics="true" pageId="0" pageNumber="1">M. senegalensis</emphasis>
</taxonomicName>
(Macquart) (♀).
</paragraph>
</caption>
</subSubSection>
<subSubSection id="7469A5C922B55F6E255CDA118C9EE620" pageId="0" pageNumber="1" type="description">
<paragraph id="977597B3C714FCC818C296E1E2FD885D" pageId="0" pageNumber="1">Description female</paragraph>
<paragraph id="6DE55DDDF9DA2DD4CBC75C51187F9DF8" pageId="0" pageNumber="1">
<emphasis id="2BF00BA4C40EE4D25E87BF78F1001414" bold="true" pageId="0" pageNumber="1">
(Fig.
<figureCitation id="59936090E26CEE2603300690BA2D5EB4" captionStart="Figures 31, 32" captionStartId="F16" captionText="Figures 31, 32. Mesembrius spp., habitus, lateral view 31 M. chapini Curran (♀) 32 M. cyanipennis (Bezzi) (♀)." figureDoi="10.3897/zookeys.1046.57052.figures31-32" httpUri="https://binary.pensoft.net/fig/557477" pageId="0" pageNumber="1">31</figureCitation>
).
</emphasis>
Body length: 13.3-16.3 mm. Wing length: 10.2-11.0 mm.
</paragraph>
<caption id="6DDC388C29D53B968E29AE983596A6CD" doi="10.3897/zookeys.1046.57052.figures41-42" httpUri="https://binary.pensoft.net/fig/557482" pageId="0" pageNumber="1" start="Figures 41, 42" startId="F21">
<paragraph id="0A65A32909ABA9056A9360BCB2DBD34A" pageId="0" pageNumber="1">
<emphasis id="7897BC05BA05E681DE283A72B2D347E9" bold="true" pageId="0" pageNumber="1">Figures 41, 42.</emphasis>
<taxonomicName id="A2DEF595984692402847D42E40C8DD42" authorityName="Rondani" authorityYear="1857" class="Insecta" family="Syrphidae" genus="Mesembrius" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Mesembrius" order="Diptera" pageId="0" pageNumber="1" phylum="Arthropoda" rank="genus">
<emphasis id="355EAB5A2E1EEF0E4C8DE471E37D9507" italics="true" pageId="0" pageNumber="1">Mesembrius</emphasis>
</taxonomicName>
spp., habitus, lateral view
<emphasis id="DA5499A36AFD5D523CD4EAC4D96152A7" bold="true" pageId="0" pageNumber="1">41</emphasis>
<taxonomicName id="FF272897E13CDE8A961B6250F8434EC6" lsidName="M. simplicipes" pageId="0" pageNumber="1" rank="species" species="simplicipes">
<emphasis id="783F46FE44C9C799F518CB1CF6C3D363" italics="true" pageId="0" pageNumber="1">M. simplicipes</emphasis>
</taxonomicName>
Curran (♀)
<emphasis id="854DBF98984C93C30414F0B7B580AA36" bold="true" pageId="0" pageNumber="1">42</emphasis>
<taxonomicName id="664AA18D93280150895B2CFE8EBD7C15" lsidName="M. strigilatus" pageId="0" pageNumber="1" rank="species" species="strigilatus">
<emphasis id="D80B8219F923A3E4F9E0BD6114BA7383" italics="true" pageId="0" pageNumber="1">M. strigilatus</emphasis>
</taxonomicName>
(Bezzi) (♀).
</paragraph>
</caption>
<paragraph id="E21E296492DDB3E50E57057CC8BFD6A2" pageId="0" pageNumber="1">
<emphasis id="81FDF3877EF2565355DE49A5E27FCB90" bold="true" italics="true" pageId="0" pageNumber="1">Head</emphasis>
(Fig.
<figureCitation id="826D5CB16B94F72C345A3CDE9E80ACE6" captionStart="Figures 7074" captionStartId="F28" captionText="Figures 70 - 74. Mesembrius spp., head, frontal view 70 M. capensis (Macquart) (♀) 71 M. cyanipennis (Bezzi) (♀) 72 M. chapini Curran (♀) 73 M. maculifer Hull (♀) 74 M. morio (Bezzi) (♀)." figureDoi="10.3897/zookeys.1046.57052.figures70-74" httpUri="https://binary.pensoft.net/fig/557489" pageId="0" pageNumber="1">72</figureCitation>
). Eye bare; dichoptic. Face yellow-orange with dark medial vitta; white pilose; white pollinose. Frons black; black pilose in dorsal half, black and yellow pilose on ventral half; weakly white pollinose. Distance between lateral ocellus and eye margin approx. width of ocellus. Occiput black; yellow pilose, with some black pile near eye margin; yellow-white pollinose. Frontal prominence shiny black, distal end orange-brown; scape and pedicel orange-brown; postpedicel black; antennal arista reddish-brown.
</paragraph>
<caption id="1E2C9CD5F176EDED650F90757EEA0581" doi="10.3897/zookeys.1046.57052.figures43-44" httpUri="https://binary.pensoft.net/fig/557483" pageId="0" pageNumber="1" start="Figures 43, 44" startId="F22">
<paragraph id="7800F13C68A9846ACF98DA55E635CC0A" pageId="0" pageNumber="1">
<emphasis id="D0E5CB0671B979BA1F9888EBEDB1B748" bold="true" pageId="0" pageNumber="1">Figures 43, 44.</emphasis>
<taxonomicName id="8D9D36FA963CB53C2071D1F4878766B2" authorityName="Rondani" authorityYear="1857" class="Insecta" family="Syrphidae" genus="Mesembrius" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Mesembrius" order="Diptera" pageId="0" pageNumber="1" phylum="Arthropoda" rank="genus">
<emphasis id="1DD3CD80F0D273E01D8235B523BE46AE" italics="true" pageId="0" pageNumber="1">Mesembrius</emphasis>
</taxonomicName>
spp., habitus, lateral view
<emphasis id="591DBC9476D5E448CBE4DCDAB9E4DFEB" bold="true" pageId="0" pageNumber="1">43</emphasis>
<taxonomicName id="6C7256A763CBB2BCC8C9D46B39D55BE5" lsidName="M. sulcus" pageId="0" pageNumber="1" rank="species" species="sulcus">
<emphasis id="AD16249D727CF0F37C175A03E54C5FD2" italics="true" pageId="0" pageNumber="1">M. sulcus</emphasis>
</taxonomicName>
sp. nov. (♀)
<emphasis id="F1827456A219FD588E7F1DC60D4EF70C" bold="true" pageId="0" pageNumber="1">44</emphasis>
<taxonomicName id="5048B88EA3F96C0EE3C636F549908CC0" lsidName="M. tarsatus" pageId="0" pageNumber="1" rank="species" species="tarsatus">
<emphasis id="B8CA34150222F58C4D04DC94282C5391" italics="true" pageId="0" pageNumber="1">M. tarsatus</emphasis>
</taxonomicName>
(Bigot) (♀).
</paragraph>
</caption>
<paragraph id="400458F9B7B55F381E629DC8C7B3258C" pageId="0" pageNumber="1">
<emphasis id="873A9F6025FA1E617E48D738AAF3864D" bold="true" italics="true" pageId="0" pageNumber="1">Thorax.</emphasis>
Scutum dark brown to black with dorsolateral a pair of vague, grey pollinose vittae which are connected posteriorly; grey pollinose lateral vitta very vague; yellow pilose with some black pile interspersed. Scutellum yellow-orange; yellow pilose with very sparse, shorter black pile interspersed.
</paragraph>
<caption id="0FD42804FEB033E3A4608E9C84DE83E3" doi="10.3897/zookeys.1046.57052.figure45" httpUri="https://binary.pensoft.net/fig/557484" pageId="0" pageNumber="1" start="Figure 45" startId="F23">
<paragraph id="72576BA85B0EC27FA6987A2E6E13B287" pageId="0" pageNumber="1">
<emphasis id="5106B3B561995FC4B883F02CE89CB432" bold="true" pageId="0" pageNumber="1">Figure 45.</emphasis>
<taxonomicName id="D8B4073E03B2DBFA55BB26BC53BE723E" authorityName="Rondani" authorityYear="1857" class="Insecta" family="Syrphidae" genus="Mesembrius" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Mesembrius" order="Diptera" pageId="0" pageNumber="1" phylum="Arthropoda" rank="genus">
<emphasis id="97D6CF25605C52C3A81CB30F33BF968D" italics="true" pageId="0" pageNumber="1">Mesembrius</emphasis>
</taxonomicName>
spp., habitus, lateral view.
<taxonomicName id="0B2C109DAD72569CCCA9EF660F052797" lsidName="M. vockerothi" pageId="0" pageNumber="1" rank="species" species="vockerothi">
<emphasis id="D5E58BC8C2C83BC7CCBE80D385E559B1" italics="true" pageId="0" pageNumber="1">M. vockerothi</emphasis>
</taxonomicName>
sp. nov. (♀).
</paragraph>
</caption>
<paragraph id="6CA06190FD07E3593102EFD0ADD12CF1" pageId="0" pageNumber="1">
<emphasis id="E7A6BEA58329FFAF2513D9301C27A952" bold="true" italics="true" pageId="0" pageNumber="1">Legs</emphasis>
(Figs
<figureCitation id="6538A0FADD2C4AE26BD87E4B79788A9F" captionStart="Figures 166171" captionStartId="F49" captionText="Figures 166 - 171. Mesembrius spp., proleg, dorsal view 166 M. simplicipes Curran (♂) 167 M. platytarsis Curran syn. nov. (♂) 168 M. tarsatus (Bigot) (♀) 169 M. chapini Curran (♀) 170 M. rex Curran (♀) 171 M. regulus (Hull) (♀). Abbreviations: bt-basitarsus, fem-femur, tib-tibia." figureDoi="10.3897/zookeys.1046.57052.figures166-171" httpUri="https://binary.pensoft.net/fig/557509" pageId="0" pageNumber="1">169</figureCitation>
,
<figureCitation id="D317EE1F4CAE28AD95BF0268F7786785" captionStart="Figures 201204" captionStartId="F57" captionText="Figures 201 - 204. Mesembrius spp., metaleg, anterior view 201 M. chapini Curran (♀). Metaleg, posterior view 202 M. regulus (Hull) (♀) 203 M. strigilatus (Bezzi) (♀). Metaleg, anterior view 204 M. minor (Bezzi) (♀). Abbreviations: fem-femur." figureDoi="10.3897/zookeys.1046.57052.figures201-204" httpUri="https://binary.pensoft.net/fig/557517" pageId="0" pageNumber="1">201</figureCitation>
). All femora black, except for extreme distal ends which are orange-brown; yellow pilose. All tibia orange-brown, most distal tarsomere darkened; yellow and black pilose dorsally, yellow pilose ventrally. All tarsi orange-brown; black pilose, except for protarsus which is yellow-orange pilose ventrally.
</paragraph>
<paragraph id="3C37B402A7F3CAF46889C7F79E83E337" pageId="0" pageNumber="1">
<emphasis id="31C55D882F6BE7392D6A3EEC9C31166C" bold="true" italics="true" pageId="0" pageNumber="1">Wing.</emphasis>
Entire wing uniformly dense microtrichose.
</paragraph>
<paragraph id="CFBBF9FBC9473825DD6AD8794B7CE3F6" pageId="0" pageNumber="1">
<emphasis id="7034F6484BB07A54341250A310880223" bold="true" italics="true" pageId="0" pageNumber="1">Abdomen</emphasis>
(Fig.
<figureCitation id="2B065FDA3E6A914AF3ADC6D5773FD13C" captionStart="Figures 107112" captionStartId="F35" captionText="Figures 107 - 112. Mesembrius spp., abdomen, dorsal view 107 M. caffer (Loew) (nominal morph) (♀) 108 M. caffer (Loew) (spined morph) (♀) 109 M. ctenifer syn. nov. Hull (♀) 110 M. capensis (Macquart) (♀) 111 M. chapini Curran (♀) 112 M. cyanipennis (Bezzi) (♀)." figureDoi="10.3897/zookeys.1046.57052.figures107-112" httpUri="https://binary.pensoft.net/fig/557496" pageId="0" pageNumber="1">111</figureCitation>
). Tergite II with a pair of large, orange, rounded maculae; yellow pilose, with dense short thick black pile on posterior black marking. Tergite III with orange fascia in anterior half and black marking in posterior half; yellow pilose with dense short thick black pile on posterior black marking. Tergite IV with narrow orange fascia; yellow-orange pillose. Tergite V black; yellow pilose.
</paragraph>
</subSubSection>
<subSubSection id="BC18227748D90E3E8D246D726A7EC851" pageId="0" pageNumber="1" type="distribution">
<paragraph id="DC0D0C7C433A9DD42D722BB446644A1B" pageId="0" pageNumber="1">Distribution.</paragraph>
<paragraph id="D355BE20C0F0F6CCDDEFB33197576594" pageId="0" pageNumber="1">Benin, Democratic Republic of the Congo and Nigeria.</paragraph>
</subSubSection>
<subSubSection id="2F2F8E904CF47D0A4AEBF7D91F7FEC8B" pageId="0" pageNumber="1" type="comments">
<paragraph id="7852540D543E2A7836591E50948C3DAA" pageId="0" pageNumber="1">Comments.</paragraph>
<paragraph id="EB18AAA574FBF9C13F06C081D1B7751C" pageId="0" pageNumber="1">The female of the species was hitherto unknown. The male cannot be confused with any other species.</paragraph>
</subSubSection>
</treatment>
</document>