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<document ID-CLB-Dataset="22281" ID-DOI="http://dx.doi.org/10.3897/zookeys.1144.95619" ID-GBIF-Dataset="ec52f039-1a9b-443c-a427-e8d905fead36" ID-PMC="PMC10208442" ID-Pensoft-Pub="1313-2970-1144-1" ID-Pensoft-UUID="9485B6EA2F8E54B49F02E975297B6536" ID-PubMed="37234380" ID-ZooBank="565B46A4C01B454296356F3ED6472747" ModsDocID="1313-2970-1144-1" checkinTime="1675346952171" checkinUser="pensoft" docAuthor="Feijen, Hans R. &amp; Feijen, Cobi" docDate="2023" docId="4453C2262EEA57168230373D68A5F8C6" docLanguage="en" docName="ZooKeys 1144: 1-93" docOrigin="ZooKeys 1144" docPubDate="2023-02-01" docSource="http://dx.doi.org/10.3897/zookeys.1144.95619" docTitle="Centrioncus aberrans Feijen 1983" docType="treatment" docVersion="7" id="9485B6EA2F8E54B49F02E975297B6536" lastPageNumber="1" masterDocId="9485B6EA2F8E54B49F02E975297B6536" masterDocTitle="A revision of Centrioncus Speiser (Diptera, Diopsidae, Centrioncinae) with descriptions of new species from Angola, Burundi, and Kenya" masterLastPageNumber="93" masterPageNumber="1" pageNumber="1" updateTime="1720466234016" updateUser="ExternalLinkService">
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<mods:title id="16E3483FF093A1BAAABA258E72131EED">A revision of Centrioncus Speiser (Diptera, Diopsidae, Centrioncinae) with descriptions of new species from Angola, Burundi, and Kenya</mods:title>
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<mods:namePart id="37F6E616786B3D83E91ED2054A3EDFCA">Feijen, Hans R.</mods:namePart>
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<mods:affiliation id="C3BFC53A3FA452EA6FD22B820357BD90">Naturalis Biodiversity Center, P. O. Box 9517, 2300 RA Leiden, Netherlands</mods:affiliation>
<mods:nameIdentifier id="713CFA31176CD82EEA27C7A1D4D46B7F" type="email">hans.feijen@naturalis.nl</mods:nameIdentifier>
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<mods:namePart id="A4577FBA66F750F6527E1E3B37B6959B">Feijen, Cobi</mods:namePart>
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<mods:affiliation id="A6FFBA6E164503ACF7B3049DEEA32E8C">Naturalis Biodiversity Center, P. O. Box 9517, 2300 RA Leiden, Netherlands</mods:affiliation>
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<treatment id="4453C2262EEA57168230373D68A5F8C6" ID-GBIF-Taxon="209152264" LSID="urn:lsid:plazi:treatment:4453C2262EEA57168230373D68A5F8C6" httpUri="http://treatment.plazi.org/id/4453C2262EEA57168230373D68A5F8C6" lastPageNumber="1" pageId="0" pageNumber="1">
<subSubSection id="268FF9D470A9F1EF9A5388EC7011E21B" pageId="0" pageNumber="1" type="nomenclature">
<paragraph id="0634BCD145BC0ACCA83C56E9DB60E9C6" pageId="0" pageNumber="1">
<taxonomicName id="2EAE0A95DC7C7F91F467E5813E10A8FB" ID-CoL="S93D" LSID="4453C226-2EEA-5716-8230-373D68A5F8C6" authority="Feijen" authorityName="Feijen" authorityYear="1983" class="Insecta" family="Diopsidae" genus="Centrioncus" higherTaxonomySource="treatment-meta" kingdom="Animalia" lsidName="Centrioncus aberrans" order="Diptera" pageId="0" pageNumber="1" phylum="Arthropoda" rank="species" species="aberrans">Centrioncus aberrans Feijen</taxonomicName>
</paragraph>
</subSubSection>
<subSubSection id="991CE33703466658E44EDCDE2B9BF442" pageId="0" pageNumber="1" type="description">
<paragraph id="06DBB54B85A1327E430D15D6FD629EC2" pageId="0" pageNumber="1">
<figureCitation id="5A47BEE3826D10E15F8B37EEDC14B408" captionStart="Figures 14" captionStartId="F1" captionText="Figures 1 - 4. Centrioncus, dorsal view of wings 1 ♂, C. aberrans, Timboroa Forest 2 ♀, paratype, C. bururiensis sp. nov., Bururi Nat. Forest 3 ♂ C. bytebieri, Ngangao Forest 4 ♀, paratype, C. copelandi sp. nov., Kasigau Mtn. Scale bars: 0.5 mm." figureDoi="10.3897/zookeys.1144.95619.figures1-4" httpUri="https://binary.pensoft.net/fig/803914" pageId="0" pageNumber="1">Figs 1</figureCitation>
<figureCitation id="A243B167CF5A7523D6ED577789701179" captionStart="Figures 912" captionStartId="F3" captionText="Figures 9 - 12. Centrioncus aberrans 9 Mount Elgon, ♀, habitus, lateral view 10 - 12 Timboroa Forest, ♂ 10 head, dorsal view 11 head, frontal view 12 thorax, lateral view. Arrows indicate glossy spots on frons. Scale bars: 0.5 mm." figureDoi="10.3897/zookeys.1144.95619.figures9-12" httpUri="https://binary.pensoft.net/fig/803916" pageId="0" pageNumber="1">, 9-12</figureCitation>
<figureCitation id="BCC4E246ABB4EF3A75A4B192EC768413" captionStart="Figures 1315" captionStartId="F4" captionText="Figures 13 - 15. Centrioncus aberrans, Mount Elgon, ♀ 13 abdomen, ventral view 14 sternite 7, ventral view 15 spermathecae. Scale bars: 0.5 mm (13); 0.1 mm (14, 15)." figureDoi="10.3897/zookeys.1144.95619.figures13-15" httpUri="https://binary.pensoft.net/fig/803917" pageId="0" pageNumber="1">, 13-15</figureCitation>
<figureCitation id="88D1C5B5603416B891041BDC18B94E3C" captionStart="Figures 1620" captionStartId="F5" captionText="Figures 16 - 20. Centrioncus aberrans, ♂ 16, 20 Timboroa Forest 17, 18 Mount Elgon 19 Lac Gando 16 epandrium with surstyli, posterior view 17 cercus, posterior view 18 - 20 ejaculatory apodeme. Scale bars: 0.1 mm." figureDoi="10.3897/zookeys.1144.95619.figures16-20" httpUri="https://binary.pensoft.net/fig/803918" pageId="0" pageNumber="1">, 16-20</figureCitation>
<figureCitation id="CA321EEBA3A51B064590419F9E236331" captionStart="Figures 2124" captionStartId="F6" captionText="Figures 21 - 24. Centrioncus aberrans, ♂, surstylus, inner view 21 paratype. Uganda. Kilembe 22 Kenya, Mount Elgon 23 Rwanda, Lac Gando 24 Kenya, Timboroa Forest. Scale bar: 0.1 mm." figureDoi="10.3897/zookeys.1144.95619.figures21-24" httpUri="https://binary.pensoft.net/fig/803919" pageId="0" pageNumber="1">, 21-24</figureCitation>
<figureCitation id="3001893650605A452B08403D14FDD9E6" captionStart="Figures 2528" captionStartId="F7" captionText="Figures 25 - 28. Centrioncus aberrans, ♂, subepandrial clasper, outer view 25 paratype, Uganda. Kilembe 26 Kenya, Mount Elgon 27 Rwanda, Lac Gando 28 Kenya, Timboroa Forest. Scale bar: 0.1 mm." figureDoi="10.3897/zookeys.1144.95619.figures25-28" httpUri="https://binary.pensoft.net/fig/803920" pageId="0" pageNumber="1">, 25-28</figureCitation>
<figureCitation id="78B137FA3F3D715B89D7C1758A8C2C1D" captionStart="Figure 29" captionStartId="F8" captionText="Figure 29. Distribution map of the seven Eastern African Centrioncus species." figureDoi="10.3897/zookeys.1144.95619.figure29" httpUri="https://binary.pensoft.net/fig/803921" pageId="0" pageNumber="1">, 29</figureCitation>
<figureCitation id="21ECC6EFAF676F1AA685689E18D06044" captionStart="Figure 30" captionStartId="F9" captionText="Figure 30. Centrioncus aberrans, Kenya, Timboroa Forest, collection site, 2011. Photograph by A. H. Kirk-Spriggs." figureDoi="10.3897/zookeys.1144.95619.figure30" httpUri="https://binary.pensoft.net/fig/803922" pageId="0" pageNumber="1">, 30</figureCitation>
</paragraph>
</subSubSection>
<subSubSection id="A12D05307A8D67A9EA114CEF1006C3E6" pageId="0" pageNumber="1" type="reference_group">
<paragraph id="38039F0DF5506099E84D886A7CE50BAC" pageId="0" pageNumber="1">
<taxonomicName id="15446B97C3FF714C87A8981A82C98549" authorityName="Feijen" authorityYear="1983" class="Insecta" family="Diopsidae" genus="Centrioncus" higherTaxonomySource="treatment-meta" kingdom="Animalia" lsidName="Centrioncus aberrans" order="Diptera" pageId="0" pageNumber="1" phylum="Arthropoda" rank="species" species="aberrans">Centrioncus aberrans</taxonomicName>
Feijen, 1983: 84.
</paragraph>
<paragraph id="292A5961D6C7F781C621F853F521533E" pageId="0" pageNumber="1">
<taxonomicName id="DC60E9E38B27F8B6705ED4B5770B04A0" authorityName="Speiser" authorityYear="1910" class="Insecta" family="Diopsidae" genus="Centrioncus" higherTaxonomySource="treatment-meta" kingdom="Animalia" lsidName="Centrioncus" order="Diptera" pageId="0" pageNumber="1" phylum="Arthropoda" rank="genus">Centrioncus</taxonomicName>
sp.
<bibRefCitation id="2485F6A00C90E4471A9355EA108B274F" author="Feijen, HR" journalOrPublisher="Zoologische Verhandelingen Leiden" pageId="0" pageNumber="1" pagination="1 - 137" publicationUrl="http://www.repository.naturalis.nl/document/149145" refId="B12" refString="Feijen, HR, 1983. Systematics and phylogeny of Centrioncidae, a new Afromontane family of Diptera (Schizophora). Zoologische Verhandelingen Leiden 202: 1 - 137, http://www.repository.naturalis.nl/document/149145" title="Systematics and phylogeny of Centrioncidae, a new Afromontane family of Diptera (Schizophora)." url="http://www.repository.naturalis.nl/document/149145" volume="202" year="1983">Feijen 1983</bibRefCitation>
: 87 (this specimen from Rwanda, Lac Gando, was only cursorily inspected, but could now be studied in detail).
</paragraph>
</subSubSection>
<subSubSection id="E759B9BBA87767FF83B728F8683758AC" pageId="0" pageNumber="1" type="type material">
<paragraph id="ECE1DA8592E70790E40CA55EB3F04024" pageId="0" pageNumber="1">Type material.</paragraph>
<paragraph id="D2FCE5CAA2A25536C321B01D5A99D7AB" pageId="0" pageNumber="1">
Uganda:
<emphasis id="D9FC9C2FF3A4C16A37A405C97CC78C66" bold="true" italics="true" pageId="0" pageNumber="1">holotype</emphasis>
, ♂, Kilembe, Ruwenzori Range, [
<geoCoordinate id="5F62F5CBF71F1F6C9599B72FC9066DD2" degrees="0" direction="north" minutes="11" orientation="latitude" precision="15" seconds="51" value="0.1975">0°11'51&quot;N</geoCoordinate>
,
<geoCoordinate id="C23F6CEE20D4DFC004B7E3CE37232010" degrees="30" direction="east" minutes="0" orientation="longitude" precision="15" seconds="47" value="30.013056">30°0'47&quot;E</geoCoordinate>
], 1500 m, F.W. Edwards (NHMUK).
<emphasis id="26DDD722165B46703219AA76E7A9EFB7" bold="true" italics="true" pageId="0" pageNumber="1">Paratypes</emphasis>
: 1 ♀, 1 ♂, same data as holotype (NHMUK).
</paragraph>
</subSubSection>
<subSubSection id="47FB519DE831C0B9A3447955D9EAA21B" pageId="0" pageNumber="1" type="materials_examined">
<paragraph id="B87B06E874F8756E456C8AA749867EB2" pageId="0" pageNumber="1">Material studied.</paragraph>
<paragraph id="D3B507D1887FC08E7C8CE80CC590F64E" pageId="0" pageNumber="1">
<materialsCitation id="3AC29BE0087689A4C2FC9CD333119C69" collectingDate="1988-03-22" collectingDateMax="2011-04-16" collectingDateMin="1988-03-22" collectingMethod="malaise traps, malaise trap" collectorName="H. R. Feijen, A. H. &amp; M. K. Kirk-Spriggs, Lake, R. Copeland" country="Kenya" county="Mount Elgon" elevation="2350" latitude="-0.3513" location="Kitum cave" longLatPrecision="1" longitude="36.05795" municipality="Elephant Cave" specimenCount="25" specimenCount-female="9" specimenCount-male="16" stateProvince="Nakuru">
<collectingCountry id="6F6C750D28ED0844DACCEE121A516D90" name="Kenya">Kenya</collectingCountry>
:
<specimenCount id="A0F5ED2416E6DFB14F0E347A52ACC978" type="female">8 ♀</specimenCount>
,
<specimenCount id="18870A4F648D6E0E1568E1E05169E75C" type="male">12 ♂</specimenCount>
,
<collectingCounty id="38903074385F2C63E0B294EC663B9E63">Mount Elgon</collectingCounty>
, nr
<collectingMunicipality id="53DB93B58047398221561E7A00A39926">Elephant Cave</collectingMunicipality>
(
<location id="488E81DFDF3B34BE50F83508A54B230C" LSID="urn:lsid:plazi:treatment:4453C2262EEA57168230373D68A5F8C6:488E81DFDF3B34BE50F83508A54B230C" country="Kenya" county="Mount Elgon" latitude="-0.3513" longLatPrecision="1" longitude="36.05795" municipality="Elephant Cave" name="Kitum cave" stateProvince="Nakuru">Kitum cave</location>
), [
<geoCoordinate id="EDA1306029401F195DC2E789488A2E07" degrees="1" direction="north" minutes="1" orientation="latitude" precision="1" seconds="56.84" value="1.0324556">1°1'56.84&quot;N</geoCoordinate>
,
<geoCoordinate id="76ACACF39E0A075BC6AAF998338B6480" degrees="34" direction="east" minutes="45" orientation="longitude" precision="1" seconds="28.94" value="34.758038">34°45'28.94&quot;E</geoCoordinate>
,
<quantity id="AE6A2D52A3371948C7A093F2A29EB02F" metricMagnitude="3" metricUnit="m" metricValue="2.35" unit="m" value="2350.0">
<elevation id="1340D84183EE88F8DD951AB43A4894A1" metricMagnitude="3" metricUnit="m" metricValue="2.35" unit="m" value="2350.0">2350 m</elevation>
</quantity>
],
<collectingDate id="7CBB0510270E8BCD46F7C9282E6DE38F" value="1988-03-22">22.iii.1988</collectingDate>
,
<collectorName id="0CA58A19147010D46CBF07E2D8119697">H.R. Feijen</collectorName>
(RMNH);
<specimenCount id="9241B53D08A8CB7750F5D9A3093F77FA" type="male">1 ♂</specimenCount>
, Saiwa Swamp, [
<geoCoordinate id="8DD7DD3C03633B2FDF776BE51AE82C72" degrees="1" direction="north" minutes="5" orientation="latitude" precision="1" seconds="43.60" value="1.0954444">1°5'43.60&quot;N</geoCoordinate>
,
<geoCoordinate id="5E6B0DAB723CDD0D70F7E0F3F23B1BB3" degrees="35" direction="east" minutes="6" orientation="longitude" precision="1" seconds="59.45" value="35.116512">35°6'59.45&quot;E</geoCoordinate>
,
<quantity id="02E2740B0B8D0ABDD925AAA4CEF61266" metricMagnitude="3" metricUnit="m" metricValue="1.8699999999999999" unit="m" value="1870.0">
<elevation id="D9AD035FDCE4811107490BDBF1EC98C2" metricMagnitude="3" metricUnit="m" metricValue="1.8699999999999999" unit="m" value="1870.0">1870 m</elevation>
</quantity>
],
<collectingDate id="454A26608A52CDD415ADB785A1E8D805" value="1988-03-23">23.iii.1988</collectingDate>
,
<collectorName id="D20C76C9536D801688140A6143A00536">H.R. Feijen</collectorName>
(RMNH);
<specimenCount id="9EA0809FE98B6C0DC5CC0C0D527F8B1E" type="male">3 ♂</specimenCount>
,
<location id="BDD6138F508B64367A2FA2150E1D043D" LSID="urn:lsid:plazi:treatment:4453C2262EEA57168230373D68A5F8C6:BDD6138F508B64367A2FA2150E1D043D" country="Kenya" county="Mount Elgon" latitude="-0.3513" longLatPrecision="1" longitude="36.05795" municipality="Elephant Cave" name="Rift Valley Province" stateProvince="Nakuru">Rift Valley Province</location>
,
<location id="8B672B56BA1C779294F14ECE7B66AE7B" LSID="urn:lsid:plazi:treatment:4453C2262EEA57168230373D68A5F8C6:8B672B56BA1C779294F14ECE7B66AE7B" country="Kenya" county="Mount Elgon" latitude="-0.3513" longLatPrecision="1" longitude="36.05795" municipality="Elephant Cave" name="Timboroa Forest" stateProvince="Nakuru">Timboroa Forest</location>
(compt. 9),
<collectingMethod id="714C56C2A8FCD789846C122401F47749">malaise traps</collectingMethod>
, indigenous
<location id="295EA0EE8359F64F67FDC25B7E8DE022" LSID="urn:lsid:plazi:treatment:4453C2262EEA57168230373D68A5F8C6:295EA0EE8359F64F67FDC25B7E8DE022" country="Kenya" county="Mount Elgon" latitude="-0.3513" longLatPrecision="1" longitude="36.05795" municipality="Elephant Cave" name="Afromontane forest" stateProvince="Nakuru">Afromontane forest</location>
,
<geoCoordinate id="74413E71CFADD7B2C665784AC571E1E9" degrees="00" direction="south" minutes="04.092" orientation="latitude" precision="1" value="-0.0682">00°04.092'S</geoCoordinate>
,
<geoCoordinate id="63B37BF64E585D656C17BDE30F4033B5" degrees="35" direction="east" minutes="30.909" orientation="longitude" precision="1" value="35.51515">35°30.909'E</geoCoordinate>
,
<quantity id="EC83925F866239A5E3E368615BF1C068" metricMagnitude="3" metricUnit="m" metricValue="2.628" unit="m" value="2628.0">
<elevation id="86D7648BB42248B013C7EE6DD43F90CE" metricMagnitude="3" metricUnit="m" metricValue="2.628" unit="m" value="2628.0">2628 m</elevation>
</quantity>
,
<collectingDate id="F1974D9994700AD0111AA1238B60BC63" value="2011-04-14" valueMax="2011-04-16" valueMin="2011-04-14">14-16.iv.2011</collectingDate>
,
<collectorName id="F0394BC01C36FF059CDB801C435DBF58">A.H. &amp; M.K. Kirk-Spriggs</collectorName>
(BMSA);
<specimenCount id="7A8128D5D38F0CD13D7FEE8831BC0FEF" type="female">1 ♀</specimenCount>
,
<location id="B0BB01ED5B92CEC5A3C81013AF2AED45" LSID="urn:lsid:plazi:treatment:4453C2262EEA57168230373D68A5F8C6:B0BB01ED5B92CEC5A3C81013AF2AED45" country="Kenya" county="Mount Elgon" latitude="-0.3513" longLatPrecision="1" longitude="36.05795" municipality="Elephant Cave" name="Rift Valley Prov." stateProvince="Nakuru">Rift Valley Prov.</location>
,
<collectorName id="63D47244C01C35A14E3C763723568848">Lake</collectorName>
<collectingRegion id="BC493AF6F27A055F1EFB7200F185572A" country="Kenya" name="Nakuru">Nakuru</collectingRegion>
N.P.,
<collectingMethod id="44731319B2DD3479D0A62D1A128A70DB">malaise trap</collectingMethod>
,
<taxonomicName id="302DA0874645799F7D9B9AAEF91B056F" class="Magnoliopsida" family="Fabaceae" genus="Acacia" kingdom="Plantae" lsidName="Acacia xanthophloea" order="Fabales" pageId="0" pageNumber="1" phylum="Tracheophyta" rank="species" species="xanthophloea">
<emphasis id="2929305EB1F45699A2F0039174377872" italics="true" pageId="0" pageNumber="1">Acacia xanthophloea</emphasis>
</taxonomicName>
habitat,
<geoCoordinate id="AE06080772E316C16FA47E5396D4CD69" degrees="0.35130" direction="south" orientation="latitude" precision="1" value="-0.3513">0.35130°S</geoCoordinate>
,
<geoCoordinate id="22D0971A24D824DAA8185EA56125C5D9" degrees="36.05795" direction="east" orientation="longitude" precision="1" value="36.05795">36.05795°E</geoCoordinate>
,
<quantity id="6F0876CB9ED393DC3ADD0914503D45BE" metricMagnitude="3" metricUnit="m" metricValue="1.796" unit="m" value="1796.0">
<elevation id="86553DC075EF3E18234F08095A88F1AA" metricMagnitude="3" metricUnit="m" metricValue="1.796" unit="m" value="1796.0">1796 m</elevation>
</quantity>
,
<collectingDate id="31F426D2C331E06797084ADD8D52D809" value="2006-03-03" valueMax="2006-03-17" valueMin="2006-03-03">3-17.iii.2006</collectingDate>
,
<collectorName id="41110DCBADF0325225D013701837DA9B">R. Copeland</collectorName>
(ICIPE)
</materialsCitation>
;
<materialsCitation id="B2F8948B7BBC90CBB0F9A9D230F8569F" collectingDate="1925-12-25" collectorName="N. Kivu, H. Schouteden" country="Rwanda" elevation="2400" latitude="-1.6" location="Lac Gando" longLatPrecision="1308" longitude="29.4" specimenCount="1" specimenCount-male="1">
<collectingCountry id="66A4CBFCA0A2ECBBE2A97051FB0560D2" name="Rwanda">Rwanda</collectingCountry>
:
<specimenCount id="4ACBF9BBB0A4B0AD0874617FCDC78E7A" type="male">1 ♂</specimenCount>
,
<collectorName id="06FB49D0143EB7D0122EBDCA46744CA8">N. Kivu</collectorName>
,
<location id="D38C2C20756B275672E2DF2B88C3B429" LSID="urn:lsid:plazi:treatment:4453C2262EEA57168230373D68A5F8C6:D38C2C20756B275672E2DF2B88C3B429" country="Rwanda" latitude="-1.6" longLatPrecision="1308" longitude="29.4" name="Lac Gando">Lac Gando</location>
,
<geoCoordinate id="CD1736306D78EE05FF223C259EA13104" degrees="1" direction="south" minutes="36" orientation="latitude" precision="925" value="-1.6">1°36'S</geoCoordinate>
,
<geoCoordinate id="D132A7466659A78B2E58E593222081A9" degrees="29" direction="east" minutes="24" orientation="longitude" precision="925" value="29.4">29°24'E</geoCoordinate>
,
<quantity id="07DC8A1D09448B4D7F855B678E6406BC" metricMagnitude="3" metricUnit="m" metricValue="2.4" unit="m" value="2400.0">
<elevation id="B9ACA63E733190745DF57A4570BAFE48" metricMagnitude="3" metricUnit="m" metricValue="2.4" unit="m" value="2400.0">2400 m</elevation>
</quantity>
,
<collectingDate id="66C65712563E3C04C369E519C5F500DD" value="1925-12-25">25.xii.1925</collectingDate>
,
<collectorName id="3134471C4FF0F3211B73E55066DA8848">H. Schouteden</collectorName>
(MRAC)
</materialsCitation>
;
<materialsCitation id="EDAEC06F1F673929234657371917B437" collectingDate="1993-10" collectorName="Irangi, Kivu-Sud, The, In" country="Rwanda" elevation="1750" latitude="-1.9" location="Thomas Wagner" longLatPrecision="1307" longitude="28.45" specimenCount="33" specimenCount-female="14" specimenCount-male="19">
<collectingCountry id="2A68C1E354CCA1AA63A9A9D8F4E47D78" name="Rwanda">Rwanda</collectingCountry>
&amp; DR Congo [as
<collectingCountry id="DF3A5BB219EB875506FCD142E72385B3" name="Democratic Republic of the Congo">Zaire</collectingCountry>
]:
<specimenCount id="8AEB5F2AFB9475693EF9AF66E04A729E" type="female">2 ♀</specimenCount>
,
<collectingDate id="364A2E932E5C615CE766DB67D50C8F9C" value="1993-10">x.1993</collectingDate>
,
<location id="2F9C73A13B5E7DA8C88FE47775C65F62" LSID="urn:lsid:plazi:treatment:4453C2262EEA57168230373D68A5F8C6:2F9C73A13B5E7DA8C88FE47775C65F62" country="Rwanda" latitude="-1.9" longLatPrecision="1307" longitude="28.45" name="Thomas Wagner">Thomas Wagner</location>
, canopy fogging on specific trees (FBUB) [According to Dr Wagner (pers. comm.), there are two options for the collection site:
<collectingCountry id="21A5BB9137D2CB913A58ADFC02FBB450" name="Rwanda">Rwanda</collectingCountry>
, Cyamudongo, Nyakabuye,
<geoCoordinate id="7EAA235A81E1B20FE5F2B479DA58300D" degrees="2" direction="south" minutes="34" orientation="latitude" precision="925" value="-2.5666666">2°34'S</geoCoordinate>
,
<geoCoordinate id="3F9A7A6BC7EC297BDCA7EA9AFB3DEB81" degrees="28" direction="east" minutes="59" orientation="longitude" precision="925" value="28.983334">28°59'E</geoCoordinate>
,
<quantity id="404F6A1DF1A1C213F3A286BE44E39FD3" metricMagnitude="3" metricUnit="m" metricValue="1.75" unit="m" value="1750.0">
<elevation id="C4207794CC248AA210D96706BEDC0A69" metricMagnitude="3" metricUnit="m" metricValue="1.75" unit="m" value="1750.0">1750 m</elevation>
</quantity>
, montane rain forest or DR Congo
<collectorName id="EC14C558C049AABFC6285D71A49C3CAE">Irangi</collectorName>
,
<collectorName id="308CC4A43CCC45213ABE80933F079BB6">Kivu-Sud</collectorName>
,
<geoCoordinate id="FD5C7B0CD9317CAFDA7F7CBB00FF036C" degrees="1" direction="south" minutes="54" orientation="latitude" precision="925" value="-1.9">1°54'S</geoCoordinate>
,
<geoCoordinate id="087164618C377C466ACC213C7A9AC3E7" degrees="28" direction="east" minutes="27" orientation="longitude" precision="925" value="28.45">28°27'E</geoCoordinate>
,
<quantity id="15876854131D36ED7BB4B9AC64B9A4B0" metricMagnitude="2" metricUnit="m" metricValue="9.5" unit="m" value="950.0">
<elevation id="7CCB6D7F8445D25DC4C16A27BC5B793B" metricMagnitude="2" metricUnit="m" metricValue="9.5" unit="m" value="950.0">950 m</elevation>
</quantity>
, rain forest.
<collectorName id="182F42DE0864594CF3D9C04A1153B736">The</collectorName>
distance between the two sites is
<quantity id="2063D707428B1AB05E5A12AE06B8885D" metricMagnitude="4" metricUnit="m" metricValue="9.5" unit="km" value="95.0">95 km</quantity>
in a straight line.].
<collectorName id="1D258BD6D258044E1BBD92C43AEE633C">In</collectorName>
total
<specimenCount id="1C6FDE503BEABD46925F6A99ED3E45AA" type="female">12 ♀</specimenCount>
and
<specimenCount id="2C359F3A27EC551968D42D1421A1D327" type="male">19 ♂</specimenCount>
were studied
</materialsCitation>
.
</paragraph>
</subSubSection>
<subSubSection id="66FB78D19254B21E05BBBA243217F99B" pageId="0" pageNumber="1" type="diagnosis">
<paragraph id="BD4C7E6533115EE2C18102CDF80C895A" pageId="0" pageNumber="1">Diagnosis.</paragraph>
<paragraph id="866E6B1357C623B958B654F143B25091" pageId="0" pageNumber="1">
<taxonomicName id="29689938F7B956ABA212F62FFDE86C33" authorityName="Feijen" authorityYear="1983" class="Insecta" family="Diopsidae" genus="Centrioncus" kingdom="Animalia" lsidName="Centrioncus aberrans" order="Diptera" pageId="0" pageNumber="1" phylum="Arthropoda" rank="species" species="aberrans">
<emphasis id="B7400978FB813560E35D2E0D020A4B25" italics="true" pageId="0" pageNumber="1">Centrioncus aberrans</emphasis>
</taxonomicName>
can be recognised by its mesally depressed, pruinose frons with two small glossy spots; glossy, blackish brown collar; pruinose, blackish brown scutum; pruinose, brown scutellum with two dark spots; brown scutellar spines; blackish brown pleura, but propleuron, anterior half and posteroventral corner of anepisternum, and dorsal
<normalizedToken id="030EE2E8322424C688539485130417DA" originalValue="“knob”">&quot;knob&quot;</normalizedToken>
of anepimeron chestnut brown (Fig.
<figureCitation id="4CD4A08D45740CB5E84D60D37F42F364" captionStart="Figures 912" captionStartId="F3" captionText="Figures 9 - 12. Centrioncus aberrans 9 Mount Elgon, ♀, habitus, lateral view 10 - 12 Timboroa Forest, ♂ 10 head, dorsal view 11 head, frontal view 12 thorax, lateral view. Arrows indicate glossy spots on frons. Scale bars: 0.5 mm." figureDoi="10.3897/zookeys.1144.95619.figures9-12" httpUri="https://binary.pensoft.net/fig/803916" pageId="0" pageNumber="1">12</figureCitation>
); scutellar spine/scutellum ratio: 0.95; apical seta/scutellar spine ratio: 1.13; brown fore femur on distal quarter dark brown on both sides, strongly incrassate (l/w ratio: 2.75) with ~ 35.5 tubercles; medium-sized central wing spot largely in basal quarter of cell r4+5, extending into cells br and bm+dm (Fig.
<figureCitation id="731564AF0984F4A1A8FC73988A0D8212" captionStart="Figures 14" captionStartId="F1" captionText="Figures 1 - 4. Centrioncus, dorsal view of wings 1 ♂, C. aberrans, Timboroa Forest 2 ♀, paratype, C. bururiensis sp. nov., Bururi Nat. Forest 3 ♂ C. bytebieri, Ngangao Forest 4 ♀, paratype, C. copelandi sp. nov., Kasigau Mtn. Scale bars: 0.5 mm." figureDoi="10.3897/zookeys.1144.95619.figures1-4" httpUri="https://binary.pensoft.net/fig/803914" pageId="0" pageNumber="1">1</figureCitation>
); tergites dark brown, thinly pruinose; sternite 4 rectangular (Fig.
<figureCitation id="B0FD28B39875FD8C76A576170DE095B6" captionStart="Figures 1315" captionStartId="F4" captionText="Figures 13 - 15. Centrioncus aberrans, Mount Elgon, ♀ 13 abdomen, ventral view 14 sternite 7, ventral view 15 spermathecae. Scale bars: 0.5 mm (13); 0.1 mm (14, 15)." figureDoi="10.3897/zookeys.1144.95619.figures13-15" httpUri="https://binary.pensoft.net/fig/803917" pageId="0" pageNumber="1">13</figureCitation>
), sternite 5 trapezoidal; sternite 6 a short, broad, trapezoidal sclerite, 1.6
<normalizedToken id="14B04F09C7A9AD748DF44DD46B18C91D" originalValue="×">x</normalizedToken>
the width of sternites 1-5; female 7th spiracle half in/half out of tergite; anterior sclerite of female sternite 7 rectangular, w/l ratio: ~ 5.3 (Figs
<figureCitation id="06D4D8314A029085192580F634BCD45E" captionStart="Figures 1315" captionStartId="F4" captionText="Figures 13 - 15. Centrioncus aberrans, Mount Elgon, ♀ 13 abdomen, ventral view 14 sternite 7, ventral view 15 spermathecae. Scale bars: 0.5 mm (13); 0.1 mm (14, 15)." figureDoi="10.3897/zookeys.1144.95619.figures13-15" httpUri="https://binary.pensoft.net/fig/803917" pageId="0" pageNumber="1">13</figureCitation>
,
<figureCitation id="4CFF3317FE90A5CD83ABC820AC850CEF" captionStart="Figures 1315" captionStartId="F4" captionText="Figures 13 - 15. Centrioncus aberrans, Mount Elgon, ♀ 13 abdomen, ventral view 14 sternite 7, ventral view 15 spermathecae. Scale bars: 0.5 mm (13); 0.1 mm (14, 15)." figureDoi="10.3897/zookeys.1144.95619.figures13-15" httpUri="https://binary.pensoft.net/fig/803917" pageId="0" pageNumber="1">14</figureCitation>
); posterior sclerite of female sternite 7 large, weakly sclerotised and rectangular with more sclerotised anterolateral sections; very elongate female cercus with l/w ratio: ~ 5.1; pentagonal subanal plate; smooth spermathecae with some tiny pustules and small dimple surrounded by ridge-like ring; outer and median arms of surstylus broadly joined, with short broad common base (Figs
<figureCitation id="4DF539CC85B63605E6419D017661E383" captionStart="Figures 2124" captionStartId="F6" captionText="Figures 21 - 24. Centrioncus aberrans, ♂, surstylus, inner view 21 paratype. Uganda. Kilembe 22 Kenya, Mount Elgon 23 Rwanda, Lac Gando 24 Kenya, Timboroa Forest. Scale bar: 0.1 mm." figureDoi="10.3897/zookeys.1144.95619.figures21-24" httpUri="https://binary.pensoft.net/fig/803919" pageId="0" pageNumber="1">21-24</figureCitation>
); outer arm triangular, apically tapering, base twice as wide as apex, rounded apically, with four or five tubercles; median arm broader and longer than outer arm, parallel-sided, with five or six spinous setae; inner arm half the length of median arm, with apophysis; subepandrial clasper (Figs
<figureCitation id="55BA7C2F65C8E0517E9AED588DFE7693" captionStart="Figures 2528" captionStartId="F7" captionText="Figures 25 - 28. Centrioncus aberrans, ♂, subepandrial clasper, outer view 25 paratype, Uganda. Kilembe 26 Kenya, Mount Elgon 27 Rwanda, Lac Gando 28 Kenya, Timboroa Forest. Scale bar: 0.1 mm." figureDoi="10.3897/zookeys.1144.95619.figures25-28" httpUri="https://binary.pensoft.net/fig/803920" pageId="0" pageNumber="1">25-28</figureCitation>
) with strong basal constriction, rectangular with lateral apical corner a bit extended and rounded, mesal basal corner square; male cercus (Fig.
<figureCitation id="0CE1363EDF2A9CDE1C32BD1BDEA1A0E5" captionStart="Figures 1620" captionStartId="F5" captionText="Figures 16 - 20. Centrioncus aberrans, ♂ 16, 20 Timboroa Forest 17, 18 Mount Elgon 19 Lac Gando 16 epandrium with surstyli, posterior view 17 cercus, posterior view 18 - 20 ejaculatory apodeme. Scale bars: 0.1 mm." figureDoi="10.3897/zookeys.1144.95619.figures16-20" httpUri="https://binary.pensoft.net/fig/803918" pageId="0" pageNumber="1">17</figureCitation>
) slender, somewhat broadening from base to apex, without distal lateral extension.
</paragraph>
<caption id="5554B38CA1743129DBF9AD86CB08E30D" doi="10.3897/zookeys.1144.95619.figures9-12" httpUri="https://binary.pensoft.net/fig/803916" pageId="0" pageNumber="1" start="Figures 912" startId="F3">
<paragraph id="734FE67ECE93167CEE3FAF1D083D33A3" pageId="0" pageNumber="1">
<emphasis id="A3C7875BE83856BF5A31283E8C2BA79E" bold="true" pageId="0" pageNumber="1">Figures 9-12.</emphasis>
<taxonomicName id="5C62B790C675450738F2D09F870AFCB7" authorityName="Feijen" authorityYear="1983" class="Insecta" family="Diopsidae" genus="Centrioncus" kingdom="Animalia" lsidName="Centrioncus aberrans" order="Diptera" pageId="0" pageNumber="1" phylum="Arthropoda" rank="species" species="aberrans">
<emphasis id="AE36401332115E356B472CD64A9104A8" italics="true" pageId="0" pageNumber="1">Centrioncus aberrans</emphasis>
</taxonomicName>
<emphasis id="80DA09BEED107108F2AC20B22DF8BA70" bold="true" pageId="0" pageNumber="1">9</emphasis>
Mount Elgon, ♀, habitus, lateral view
<emphasis id="D56520D810BAA70FD273C920B7307A45" bold="true" pageId="0" pageNumber="1">10-12</emphasis>
Timboroa Forest, ♂
<emphasis id="72F8939CDE3C275D1AF91501D065F959" bold="true" pageId="0" pageNumber="1">10</emphasis>
head, dorsal view
<emphasis id="01182BD3130F51669C587DD65A38EB66" bold="true" pageId="0" pageNumber="1">11</emphasis>
head, frontal view
<emphasis id="18F031998071996AA90E64A3F524AE14" bold="true" pageId="0" pageNumber="1">12</emphasis>
thorax, lateral view. Arrows indicate glossy spots on frons. Scale bars: 0.5 mm.
</paragraph>
</caption>
<caption id="DE529E65665DFBFDAAF3918A7405D560" doi="10.3897/zookeys.1144.95619.figures13-15" httpUri="https://binary.pensoft.net/fig/803917" pageId="0" pageNumber="1" start="Figures 1315" startId="F4">
<paragraph id="149BF5FB32BEBD7C85D40DB8850C4BD5" pageId="0" pageNumber="1">
<emphasis id="43409681E8C7FBA794F7A7B86A2F5A94" bold="true" pageId="0" pageNumber="1">Figures 13-15.</emphasis>
<taxonomicName id="5ADAF4155F0ECD65722FE8172085BBE5" authorityName="Feijen" authorityYear="1983" class="Insecta" family="Diopsidae" genus="Centrioncus" kingdom="Animalia" lsidName="Centrioncus aberrans" order="Diptera" pageId="0" pageNumber="1" phylum="Arthropoda" rank="species" species="aberrans">
<emphasis id="43F86761047E30AAFCE0DEBC74795ACB" italics="true" pageId="0" pageNumber="1">Centrioncus aberrans</emphasis>
</taxonomicName>
, Mount Elgon, ♀
<emphasis id="0D1188538C96AFFD9ABE12F11AA21670" bold="true" pageId="0" pageNumber="1">13</emphasis>
abdomen, ventral view
<emphasis id="7E11870B58B755FA7B4AF782837F6A73" bold="true" pageId="0" pageNumber="1">14</emphasis>
sternite 7, ventral view
<emphasis id="79EB9B674A9A930241983C9F9ED0A587" bold="true" pageId="0" pageNumber="1">15</emphasis>
spermathecae. Scale bars: 0.5 mm (
<emphasis id="CE1EE2331A3AF75FF4664456F417EB21" bold="true" pageId="0" pageNumber="1">13</emphasis>
); 0.1 mm (
<emphasis id="0A3AD0466B3DD82B0CD10BC923C6C9CE" bold="true" pageId="0" pageNumber="1">14, 15</emphasis>
).
</paragraph>
</caption>
<caption id="F9B8FCD387019E2258ABD9A8F9536A92" doi="10.3897/zookeys.1144.95619.figures16-20" httpUri="https://binary.pensoft.net/fig/803918" pageId="0" pageNumber="1" start="Figures 1620" startId="F5">
<paragraph id="DCC843EC6795C370B334B6C9194D0489" pageId="0" pageNumber="1">
<emphasis id="A904DF2BB505B338B5FF557244C70DB5" bold="true" pageId="0" pageNumber="1">Figures 16-20.</emphasis>
<taxonomicName id="3AA29849DDACDEE73CEB8744071F88C6" authorityName="Feijen" authorityYear="1983" class="Insecta" family="Diopsidae" genus="Centrioncus" kingdom="Animalia" lsidName="Centrioncus aberrans" order="Diptera" pageId="0" pageNumber="1" phylum="Arthropoda" rank="species" species="aberrans">
<emphasis id="72949FC4E72EF637B32D281C4DB595EE" italics="true" pageId="0" pageNumber="1">Centrioncus aberrans</emphasis>
</taxonomicName>
, ♂
<emphasis id="7DA85722E16DC50895374DCD8D1FE659" bold="true" pageId="0" pageNumber="1">16, 20</emphasis>
Timboroa Forest
<emphasis id="05E02E8DAD727B5B27FBC0CB957B98E9" bold="true" pageId="0" pageNumber="1">17, 18</emphasis>
Mount Elgon
<emphasis id="AA6608CB32395C743F370F81E9FACC4E" bold="true" pageId="0" pageNumber="1">19</emphasis>
Lac Gando
<emphasis id="9B3AC5E224826C73C3590E2D3CA3EC65" bold="true" pageId="0" pageNumber="1">16</emphasis>
epandrium with surstyli, posterior view
<emphasis id="8BA3C69EEC5D6C168C04018343C2706A" bold="true" pageId="0" pageNumber="1">17</emphasis>
cercus, posterior view
<emphasis id="85E1875A912ADF86C52546B03AA95857" bold="true" pageId="0" pageNumber="1">18-20</emphasis>
ejaculatory apodeme. Scale bars: 0.1 mm.
</paragraph>
</caption>
<caption id="452A0A7AC9C79705420248EF893DC031" doi="10.3897/zookeys.1144.95619.figures21-24" httpUri="https://binary.pensoft.net/fig/803919" pageId="0" pageNumber="1" start="Figures 2124" startId="F6">
<paragraph id="D5F37B17D5CF3B7E7FB376CDFF6884C5" pageId="0" pageNumber="1">
<emphasis id="969CB37753CA1B1045BDE36377A09F93" bold="true" pageId="0" pageNumber="1">Figures 21-24.</emphasis>
<taxonomicName id="B61C3217453E7A7719FB92BE45AE437B" authorityName="Feijen" authorityYear="1983" class="Insecta" family="Diopsidae" genus="Centrioncus" kingdom="Animalia" lsidName="Centrioncus aberrans" order="Diptera" pageId="0" pageNumber="1" phylum="Arthropoda" rank="species" species="aberrans">
<emphasis id="72A947E0432C6CCFF3FA21BDC62857AA" italics="true" pageId="0" pageNumber="1">Centrioncus aberrans</emphasis>
</taxonomicName>
, ♂, surstylus, inner view
<emphasis id="755ABD3A473E0334E9839F282D1F0D3A" bold="true" pageId="0" pageNumber="1">21</emphasis>
paratype. Uganda. Kilembe
<emphasis id="7AE0990A43CBB7B197DB128285DF4582" bold="true" pageId="0" pageNumber="1">22</emphasis>
Kenya, Mount Elgon
<emphasis id="A0762A11306037752AF941C889418CAE" bold="true" pageId="0" pageNumber="1">23</emphasis>
Rwanda, Lac Gando
<emphasis id="33FD94DCCDE469A6E73FEB0BF682AE2A" bold="true" pageId="0" pageNumber="1">24</emphasis>
Kenya, Timboroa Forest. Scale bar: 0.1 mm.
</paragraph>
</caption>
<caption id="B0AE60D348B3F5C49E08DA7A23A9F19C" doi="10.3897/zookeys.1144.95619.figures25-28" httpUri="https://binary.pensoft.net/fig/803920" pageId="0" pageNumber="1" start="Figures 2528" startId="F7">
<paragraph id="11C114C6C4E6A230EFDF749077CF5AA4" pageId="0" pageNumber="1">
<emphasis id="AC06C1226991F9C735B0FB5DDECCE33C" bold="true" pageId="0" pageNumber="1">Figures 25-28.</emphasis>
<taxonomicName id="78CDC980F2B7C6AA9EE868F850079F56" authorityName="Feijen" authorityYear="1983" class="Insecta" family="Diopsidae" genus="Centrioncus" kingdom="Animalia" lsidName="Centrioncus aberrans" order="Diptera" pageId="0" pageNumber="1" phylum="Arthropoda" rank="species" species="aberrans">
<emphasis id="B572B0D48DF3A0B9512AC31F8193B790" italics="true" pageId="0" pageNumber="1">Centrioncus aberrans</emphasis>
</taxonomicName>
, ♂, subepandrial clasper, outer view
<emphasis id="F3813636AC6690FE780AEA6B7F5A8D92" bold="true" pageId="0" pageNumber="1">25</emphasis>
paratype, Uganda. Kilembe
<emphasis id="C41AC65C92A705DB0DD302BFB093D819" bold="true" pageId="0" pageNumber="1">26</emphasis>
Kenya, Mount Elgon
<emphasis id="3CD07F3D8CE1F817F6F4D8C64D11FB48" bold="true" pageId="0" pageNumber="1">27</emphasis>
Rwanda, Lac Gando
<emphasis id="3A5D9678C5E358740584B778076C88CA" bold="true" pageId="0" pageNumber="1">28</emphasis>
Kenya, Timboroa Forest. Scale bar: 0.1 mm.
</paragraph>
</caption>
</subSubSection>
<subSubSection id="87AD5ECB803D29381125A86F8A0F6973" pageId="0" pageNumber="1" type="description">
<paragraph id="1A70BD9DFF61653C7DD3BA9B35AE4B9D" pageId="0" pageNumber="1">Supplementary description.</paragraph>
<paragraph id="8DF7B03893AA824B58971ACFEA69BFF2" pageId="0" pageNumber="1">Below, biometrical data are given for the much larger series now studied, as compared to the type series. Additional morphological data, as well as some rectifications, are presented.</paragraph>
<paragraph id="CC11425DB3ED9AF9F3F09F6A9D576988" pageId="0" pageNumber="1">
<emphasis id="49EB30FC0F52E7618820958B4058B54A" bold="true" pageId="0" pageNumber="1">
<emphasis id="3D4035344A95EF6BFDBB33938E7743FF" italics="true" pageId="0" pageNumber="1">Measurements</emphasis>
.
</emphasis>
For the small type series of 1 ♀ and 2 ♂
<bibRefCitation id="B4539CF2ABFACC91B31611E7A3379171" author="Feijen, HR" journalOrPublisher="Zoologische Verhandelingen Leiden" pageId="0" pageNumber="1" pagination="1 - 137" publicationUrl="http://www.repository.naturalis.nl/document/149145" refId="B12" refString="Feijen, HR, 1983. Systematics and phylogeny of Centrioncidae, a new Afromontane family of Diptera (Schizophora). Zoologische Verhandelingen Leiden 202: 1 - 137, http://www.repository.naturalis.nl/document/149145" title="Systematics and phylogeny of Centrioncidae, a new Afromontane family of Diptera (Schizophora)." url="http://www.repository.naturalis.nl/document/149145" volume="202" year="1983">Feijen (1983)</bibRefCitation>
gave for width of head in ♀ 1.12 mm and in ♂ 1.24 and 1.15 mm, body length in ♀ 4.9 mm and in ♂ 5.2 and 5.0 mm, wing length in ♀ 4.4 mm and in ♂ 4.7 and 4.4 mm, and length of scutellar spine in ♀ 0.26 mm and in ♂ 0.27 and 0.26 mm. In Table
<tableCitation id="896A67CB518BE443BF817036DF8D6A85" captionStart="Table 2" captionStartId="T2" captionText="Table 2. Quantitative characters for Centrioncus aberrans. Given are mean + / - standard error, range and number of records for females and males separately. Measurements in mm." httpUri="http://table.plazi.org/id/E6447AAC704C7CC56E292BCA78B47CAC" pageId="0" pageNumber="1" tableUuid="E6447AAC704C7CC56E292BCA78B47CAC">2</tableCitation>
, measurements and other quantitative characters are presented for the much larger series now studied. In this table, data are presented for females and males separately. From this table, the differences between females and males for quantitative characters are marginal. The body length is slightly larger in the male. In Tables
<tableCitation id="C0E897E6AD68BF52F161DAB0837A734B" captionStart="Table 6" captionStartId="T6" captionText="Table 6. Quantitative characters for Centrioncus aberrans and Centrioncus bytebieri for both sexes combined. Measurements in mm." httpUri="http://table.plazi.org/id/043A8F1B864C990382114DCF31E005D7" pageId="0" pageNumber="1" tableUuid="043A8F1B864C990382114DCF31E005D7">6</tableCitation>
,
<tableCitation id="FF30C817EC4B0619869DF7FA8F615556" captionStart="Table 7" captionStartId="T7" captionText="Table 7. Quantitative characters for Centrioncus decoronotus and Centrioncus jacobae for both sexes combined. Measurements in mm." httpUri="http://table.plazi.org/id/7014318F6622A31593D9AEDA9A293962" pageId="0" pageNumber="1" tableUuid="7014318F6622A31593D9AEDA9A293962">7</tableCitation>
the data for females and males are combined, so that large series can be compared with the other
<taxonomicName id="75E3FC4C54004A5289F88F40D9687A58" authorityName="Speiser" authorityYear="1910" class="Insecta" family="Diopsidae" genus="Centrioncus" kingdom="Animalia" lsidName="Centrioncus" order="Diptera" pageId="0" pageNumber="1" phylum="Arthropoda" rank="genus">
<emphasis id="69D3617F9A83344268EBE5C1F4B12DD6" italics="true" pageId="0" pageNumber="1">Centrioncus</emphasis>
</taxonomicName>
species for which large numbers were available. In the other three species for which large series could be measured, the females were, on the average, clearly somewhat larger. The original measurements of the type series of
<taxonomicName id="106552314C5B14F4EFC7F399C5DA3A9F" lsidName="C. aberrans" pageId="0" pageNumber="1" rank="species" species="aberrans">
<emphasis id="23931C9D8335F0F411723B6565A6B139" italics="true" pageId="0" pageNumber="1">C. aberrans</emphasis>
</taxonomicName>
fall well within the ranges as presented in Table
<tableCitation id="26F10FD32602298D25B721A96BB50751" captionStart="Table 2" captionStartId="T2" captionText="Table 2. Quantitative characters for Centrioncus aberrans. Given are mean + / - standard error, range and number of records for females and males separately. Measurements in mm." httpUri="http://table.plazi.org/id/E6447AAC704C7CC56E292BCA78B47CAC" pageId="0" pageNumber="1" tableUuid="E6447AAC704C7CC56E292BCA78B47CAC">2</tableCitation>
.
</paragraph>
<caption id="E6447AAC704C7CC56E292BCA78B47CAC" ID-Table-UUID="E6447AAC704C7CC56E292BCA78B47CAC" httpUri="http://table.plazi.org/id/E6447AAC704C7CC56E292BCA78B47CAC" pageId="0" pageNumber="1" start="Table 2" startId="T2">
<paragraph id="48AE78314092E7A6D1703A719831EC80" pageId="0" pageNumber="1">
<emphasis id="1345250520A9684E282812B58419BF3D" bold="true" pageId="0" pageNumber="1">Table 2.</emphasis>
Quantitative characters for
<taxonomicName id="11D5631B22C43EE7C5A36C4BF9645C30" authorityName="Feijen" authorityYear="1983" class="Insecta" family="Diopsidae" genus="Centrioncus" kingdom="Animalia" lsidName="Centrioncus aberrans" order="Diptera" pageId="0" pageNumber="1" phylum="Arthropoda" rank="species" species="aberrans">
<emphasis id="708795DDC5AFE44761120AD61EAB72D9" italics="true" pageId="0" pageNumber="1">Centrioncus aberrans</emphasis>
</taxonomicName>
. Given are mean
<normalizedToken id="38377FD65F16887C629638DFCF5A2298" originalValue="±">+/-</normalizedToken>
standard error, range and number of records for females and males separately. Measurements in mm.
</paragraph>
</caption>
<paragraph id="6CCCCF4B20D6563D77F0642CB4C1F531" pageId="0" pageNumber="1">
<table id="F23DCF9616A7200464FA2462B6020831" pageId="0" pageNumber="1">
<tr id="FD44174D64135D0A6ED7B60D868BFFD5" pageId="0" pageNumber="1">
<th id="10EBD375C808382F2F2C7E1AD4BBFD61" colspan="1" pageId="0" pageNumber="1" rowspan="2">Character</th>
<th id="A94EA2F134A23932F4C9C2634D2D039A" colspan="3" pageId="0" pageNumber="1" rowspan="1"></th>
<th id="790B54471EEF0BAB9C593CE35C393FB4" colspan="3" pageId="0" pageNumber="1" rowspan="1"></th>
</tr>
<tr id="1173D4DFCDB5ACEC04A3D135BCF80249" pageId="0" pageNumber="1">
<th id="4750AFD4B3150669CEADE733EE607CA8" colspan="1" pageId="0" pageNumber="1" rowspan="1">
<normalizedToken id="DDF6C3508F148090407927941A637D0D" originalValue="±">+/-</normalizedToken>
SE
</th>
<th id="EA33BBB9B75A74B2CC016AAA254A51E3" colspan="1" pageId="0" pageNumber="1" rowspan="1">range</th>
<th id="05FF00F6E7822F21CCE83971851CC85F" colspan="1" pageId="0" pageNumber="1" rowspan="1">
<emphasis id="5CC7BB8CFA631FB41ACAF6432D0277F8" italics="true" pageId="0" pageNumber="1">n</emphasis>
</th>
<th id="C5211C5DE7677DB28D0CCC2DB3E90802" colspan="1" pageId="0" pageNumber="1" rowspan="1">
<normalizedToken id="79C40E4FF075B2F2D4946361CB71AB00" originalValue="±">+/-</normalizedToken>
SE
</th>
<th id="9F9B17565A476902D117AB7B01B7EFAC" colspan="1" pageId="0" pageNumber="1" rowspan="1">range</th>
<th id="A3E91D132745D76A305BEE641065328C" colspan="1" pageId="0" pageNumber="1" rowspan="1">
<emphasis id="DCEB17D203C5601CD98420F303F4C274" italics="true" pageId="0" pageNumber="1">n</emphasis>
</th>
</tr>
<tr id="C8C564DBAF4ED5307432DCDA347386B6" pageId="0" pageNumber="1">
<td id="3880CCA56948260490DE473939790888" colspan="1" pageId="0" pageNumber="1" rowspan="1">head width</td>
<td id="B90EAD64080DB8A858D0C387C2DB6B2B" colspan="1" pageId="0" pageNumber="1" rowspan="1">
1.18
<normalizedToken id="000AA5608A28DF78909CBABD48563AB6" originalValue="±">+/-</normalizedToken>
0.02
</td>
<td id="0596A4D2461343B7BC3BDC1E0E7CA605" colspan="1" pageId="0" pageNumber="1" rowspan="1">1.11-1.25</td>
<td id="41620748E25435543EFA361D1770EDDD" colspan="1" pageId="0" pageNumber="1" rowspan="1">8</td>
<td id="7DE45B8F0130DF276E70A3A32EF1D9C9" colspan="1" pageId="0" pageNumber="1" rowspan="1">
1.20
<normalizedToken id="EBEFF63305BC66253E7D3325FE82E0A8" originalValue="±">+/-</normalizedToken>
0.01
</td>
<td id="5F99E3EDD36EF299FD8A0C988BB917A1" colspan="1" pageId="0" pageNumber="1" rowspan="1">1.13-1.25</td>
<td id="8AC8F665E922539C7DF0F37880D972F9" colspan="1" pageId="0" pageNumber="1" rowspan="1">15</td>
</tr>
<tr id="DF658729BE90EBC7AFD9D0EB791E88EC" pageId="0" pageNumber="1">
<td id="7195D1A7015BF2946C0D5E10888CC247" colspan="1" pageId="0" pageNumber="1" rowspan="1">body length</td>
<td id="9A967DC8C49413083E142ABF619914D6" colspan="1" pageId="0" pageNumber="1" rowspan="1">
5.07
<normalizedToken id="CBCCC2BC209C89ED248D384DC65532BB" originalValue="±">+/-</normalizedToken>
0.06
</td>
<td id="740CF83C5A79F20FDE9A8A47C0139BE6" colspan="1" pageId="0" pageNumber="1" rowspan="1">4.82-5.37</td>
<td id="8DFEF5E3D2F6DC50E077F642E7F04F41" colspan="1" pageId="0" pageNumber="1" rowspan="1">8</td>
<td id="B5F043C02E40CD550CFA84A1AA77FF2D" colspan="1" pageId="0" pageNumber="1" rowspan="1">
5.21
<normalizedToken id="F77708517E361BA0D43EBE83602FDBC5" originalValue="±">+/-</normalizedToken>
0.05
</td>
<td id="33FA16012B1295351E60F30C8069433F" colspan="1" pageId="0" pageNumber="1" rowspan="1">4.94-5.55</td>
<td id="F8C101F638639D2BC188171AAC2738FB" colspan="1" pageId="0" pageNumber="1" rowspan="1">15</td>
</tr>
<tr id="D5A4B01C7AABAEC20A58381F030AC6A8" pageId="0" pageNumber="1">
<td id="FEA01C8D05032C80D06BF486F14E95C1" colspan="1" pageId="0" pageNumber="1" rowspan="1">wing length</td>
<td id="C3A1ED6D5EB25E3DBBECD9EE885A1FE5" colspan="1" pageId="0" pageNumber="1" rowspan="1">
4.74
<normalizedToken id="42203E7677C3631C8F07D36D9EF81628" originalValue="±">+/-</normalizedToken>
0.04
</td>
<td id="A551003C2E00CE8B24C7C48CEB3EF849" colspan="1" pageId="0" pageNumber="1" rowspan="1">4.58-4.88</td>
<td id="A799D011695539E0487C6F8139AAF2EC" colspan="1" pageId="0" pageNumber="1" rowspan="1">8</td>
<td id="0A63C032C0043B61C55B5D2F2DD1EA2D" colspan="1" pageId="0" pageNumber="1" rowspan="1">
4.71
<normalizedToken id="2FC8A21AC665F83607D485B0D7FF8B8F" originalValue="±">+/-</normalizedToken>
0.05
</td>
<td id="5F52A785044BB687BBE263ADFDD9AA73" colspan="1" pageId="0" pageNumber="1" rowspan="1">4.27-4.88</td>
<td id="497D32D74058F7F8717DB6F3B5DBFB07" colspan="1" pageId="0" pageNumber="1" rowspan="1">15</td>
</tr>
<tr id="126AD4F0C86EAB4FD2003F5B2BA3D259" pageId="0" pageNumber="1">
<td id="A5CB04E60C770EA6B778688AE194834C" colspan="1" pageId="0" pageNumber="1" rowspan="1">sc. sp. length</td>
<td id="73BF7C432390402D723959E6AA77183D" colspan="1" pageId="0" pageNumber="1" rowspan="1">
0.28
<normalizedToken id="74894372ECB83FFA2933E1317C75AF14" originalValue="±">+/-</normalizedToken>
0.00
</td>
<td id="2F99FFD20C6C1D0EA553B722A4101FE4" colspan="1" pageId="0" pageNumber="1" rowspan="1">0.27-0.29</td>
<td id="5F71FF326597EC772DC19C902AC6E74D" colspan="1" pageId="0" pageNumber="1" rowspan="1">8</td>
<td id="3701008AF0EFFC8674FC883CBCB37B72" colspan="1" pageId="0" pageNumber="1" rowspan="1">
0.29
<normalizedToken id="4A4275B815326E3A7305FAE354EA465B" originalValue="±">+/-</normalizedToken>
0.00
</td>
<td id="468B5EF88DE36A6441DB46035EE3D44A" colspan="1" pageId="0" pageNumber="1" rowspan="1">0.25-0.31</td>
<td id="1CD05B8B764989EAD4D2C220FBAE3A4D" colspan="1" pageId="0" pageNumber="1" rowspan="1">15</td>
</tr>
<tr id="1956E1F771E9C477DEFCDAEF5D5B4EBD" pageId="0" pageNumber="1">
<td id="5283AB4364F851EBAD96E7DDDC811E36" colspan="1" pageId="0" pageNumber="1" rowspan="1">apical seta length</td>
<td id="A1479A271627E1EAB5C5B0B695DA4C61" colspan="1" pageId="0" pageNumber="1" rowspan="1">
0.32
<normalizedToken id="775B1182B2CD3E8C7478AC6FB3851D70" originalValue="±">+/-</normalizedToken>
0.00
</td>
<td id="9A6845D2491A26CF86C5FDE2FF79B6B7" colspan="1" pageId="0" pageNumber="1" rowspan="1">0.30-0.33</td>
<td id="7B96A95C524637050AF3BF2E018FE3C1" colspan="1" pageId="0" pageNumber="1" rowspan="1">7</td>
<td id="D8EBD714199FE4A0EA49042E4B3C333E" colspan="1" pageId="0" pageNumber="1" rowspan="1">
0.32
<normalizedToken id="B7A4B36C91E31324E17FAD1715E2D065" originalValue="±">+/-</normalizedToken>
0.01
</td>
<td id="2578606019937E6BD326A67478160B0E" colspan="1" pageId="0" pageNumber="1" rowspan="1">0.29-0.34</td>
<td id="07FFDC044838E8D6689D9307BF562BE9" colspan="1" pageId="0" pageNumber="1" rowspan="1">3</td>
</tr>
<tr id="CAFE95DC00ADA05F978F15DD51E7F020" pageId="0" pageNumber="1">
<td id="1DAEFC77F30E02751E4B675640C27605" colspan="1" pageId="0" pageNumber="1" rowspan="1">scutellum length</td>
<td id="C996D21CD9822CF2248600ECC1459EB3" colspan="1" pageId="0" pageNumber="1" rowspan="1">
0.37
<normalizedToken id="969FC2502F42CB31C5252AA81BD42D0E" originalValue="±">+/-</normalizedToken>
0.01
</td>
<td id="F6D08021313FDF96DBD3EB8DE9835946" colspan="1" pageId="0" pageNumber="1" rowspan="1">0.36-0.39</td>
<td id="17322CA27E8A0E3242FE4F698AB4E9D5" colspan="1" pageId="0" pageNumber="1" rowspan="1">7</td>
<td id="96E05BF8B3183D6F50EF0A1EA43BBAAA" colspan="1" pageId="0" pageNumber="1" rowspan="1">
0.36
<normalizedToken id="B09E91471BCC6DAF5C56E25F6C67EE50" originalValue="±">+/-</normalizedToken>
0.00
</td>
<td id="FF11F89026475749FDE4F58305F5CD8A" colspan="1" pageId="0" pageNumber="1" rowspan="1">0.34-0.39</td>
<td id="4DF994E82F1D5FC9DC47D6901CC41219" colspan="1" pageId="0" pageNumber="1" rowspan="1">11</td>
</tr>
<tr id="E52D9CE6D80A5587345AA10F9081BD9F" pageId="0" pageNumber="1">
<td id="95F4F4D354CC94EDE07DDA234ED23FB5" colspan="1" pageId="0" pageNumber="1" rowspan="1">head w./body l.</td>
<td id="014F3590DAFC486D79DB68D0DA8C96B6" colspan="1" pageId="0" pageNumber="1" rowspan="1">
0.23
<normalizedToken id="BE956322EB3BB8CF3709FF091EF379DC" originalValue="±">+/-</normalizedToken>
0.00
</td>
<td id="B7B34EF23E27CAFFBFA611043B9695DD" colspan="1" pageId="0" pageNumber="1" rowspan="1">0.23-0.24</td>
<td id="42C3DA4B386B65A685462ADCB7892685" colspan="1" pageId="0" pageNumber="1" rowspan="1">8</td>
<td id="8980D08499077BD6DE1EE51B8F66ACE6" colspan="1" pageId="0" pageNumber="1" rowspan="1">
0.23
<normalizedToken id="C6836E32ACCEC16557EBAECF8213D85C" originalValue="±">+/-</normalizedToken>
0.00
</td>
<td id="CDB3A861AA590DF2AFC287125B358047" colspan="1" pageId="0" pageNumber="1" rowspan="1">0.22-0.25</td>
<td id="D79E1ACC012974414DC9B36C4065D587" colspan="1" pageId="0" pageNumber="1" rowspan="1">15</td>
</tr>
<tr id="C324EC338F5158094494A2A12C269264" pageId="0" pageNumber="1">
<td id="47FB236C44093BC102B5A9066F393EFA" colspan="1" pageId="0" pageNumber="1" rowspan="1">sc. sp. l./body l.</td>
<td id="449B079ABC805670A2CF21AB94D8B24A" colspan="1" pageId="0" pageNumber="1" rowspan="1">
0.056
<normalizedToken id="48D5406B350011012CE67876A6CC5753" originalValue="±">+/-</normalizedToken>
0.001
</td>
<td id="C9FE180E877921BCB21A049312B725D1" colspan="1" pageId="0" pageNumber="1" rowspan="1">0.052-0.057</td>
<td id="E45EF21D4713BD4071E803F17C46137A" colspan="1" pageId="0" pageNumber="1" rowspan="1">8</td>
<td id="E385C2638C02351DBCC8096C37A3A07A" colspan="1" pageId="0" pageNumber="1" rowspan="1">
0.056
<normalizedToken id="49220D518F931CA46534D4F6EA3B234E" originalValue="±">+/-</normalizedToken>
0.001
</td>
<td id="F3636FF89DD4CCE96A37519D4F035ECE" colspan="1" pageId="0" pageNumber="1" rowspan="1">0.051-0.062</td>
<td id="6BFD29788407AB6EC5F2314CDD65DE82" colspan="1" pageId="0" pageNumber="1" rowspan="1">14</td>
</tr>
<tr id="5DDC5CFB8C12A6DD7253C519C1D9DEEC" pageId="0" pageNumber="1">
<td id="86A46D5738A87C60D75E6996B8C8EF80" colspan="1" pageId="0" pageNumber="1" rowspan="1">sc. sp. l./sc. l.</td>
<td id="0769A83BFEC871391254DF00B6E6F6F1" colspan="1" pageId="0" pageNumber="1" rowspan="1">
0.76
<normalizedToken id="9F208036C97B8131DBCE77B8D49DB018" originalValue="±">+/-</normalizedToken>
0.01
</td>
<td id="ECEE1A0B757136CE33FD692765C666BB" colspan="1" pageId="0" pageNumber="1" rowspan="1">0.73-0.80</td>
<td id="D7EEDD93A509EE5D7DFD111DEE47D851" colspan="1" pageId="0" pageNumber="1" rowspan="1">7</td>
<td id="DA0A6EE4F3C6542D39E26BC8D1447084" colspan="1" pageId="0" pageNumber="1" rowspan="1">
0.79
<normalizedToken id="12C2A6B1E2902E14076BFCED0882F40D" originalValue="±">+/-</normalizedToken>
0.01
</td>
<td id="EA0C5A00C4B36D7AB6C4ED806B3EACE8" colspan="1" pageId="0" pageNumber="1" rowspan="1">0.75-0.87</td>
<td id="289057233F168F76F49FE02CE3E82E40" colspan="1" pageId="0" pageNumber="1" rowspan="1">11</td>
</tr>
<tr id="8C4387D0DC5F391486C386ACB6E0AA3F" pageId="0" pageNumber="1">
<td id="735210ED4AD2047F4106D57EB6E16E27" colspan="1" pageId="0" pageNumber="1" rowspan="1">ap. seta l./sc. sp. l.</td>
<td id="05B0BF9CEBA0E873558B6DD26948C30A" colspan="1" pageId="0" pageNumber="1" rowspan="1">
1.12
<normalizedToken id="64C968621EFC89AEA3616AB1A97452D1" originalValue="±">+/-</normalizedToken>
0.01
</td>
<td id="4A4EBF93B3261CCDA34F3594DBBE13BF" colspan="1" pageId="0" pageNumber="1" rowspan="1">1.08-1.18</td>
<td id="4F74AB237A78391417D9FC22A24DEBD2" colspan="1" pageId="0" pageNumber="1" rowspan="1">7</td>
<td id="CCC86637E17A8ED430A318A18047C5FB" colspan="1" pageId="0" pageNumber="1" rowspan="1">
1.16
<normalizedToken id="8B43CA5520CFA6958F1C0EFE957D92EF" originalValue="±">+/-</normalizedToken>
0.01
</td>
<td id="33BF46F1B92154FEDB35D4335AB827DB" colspan="1" pageId="0" pageNumber="1" rowspan="1">1.14-1.17</td>
<td id="398307B98DB3F4B12D02BF887753B81E" colspan="1" pageId="0" pageNumber="1" rowspan="1">3</td>
</tr>
<tr id="837EDFDA5109AB1AAE6DC87BB705D337" pageId="0" pageNumber="1">
<td id="4625E9045539BF553E9C01C26FAEA24B" colspan="1" pageId="0" pageNumber="1" rowspan="1">F1 - ratio l/w</td>
<td id="53ACA94FC022BE74E7FA93DFC4A4DF14" colspan="1" pageId="0" pageNumber="1" rowspan="1">
2.75
<normalizedToken id="17C8EDB52A43D3AD33F3C9AA09346134" originalValue="±">+/-</normalizedToken>
0.02
</td>
<td id="4EB832A060C58B2257833BD4E1FA3EC5" colspan="1" pageId="0" pageNumber="1" rowspan="1">2.68-2.82</td>
<td id="7348C97C576991770B4811524ABCF536" colspan="1" pageId="0" pageNumber="1" rowspan="1">8</td>
<td id="AE556EAB51EB1B01B6C20B597E93E0EB" colspan="1" pageId="0" pageNumber="1" rowspan="1">
2.75
<normalizedToken id="F361528BA9782C9D1B9EBED9CA57B3C2" originalValue="±">+/-</normalizedToken>
0.01
</td>
<td id="8AF3F84935BA9217CDDEDF8C977AB7AE" colspan="1" pageId="0" pageNumber="1" rowspan="1">2.68-2.84</td>
<td id="D1EDA014F16E7EEAA1DE65A52483FAE3" colspan="1" pageId="0" pageNumber="1" rowspan="1">14</td>
</tr>
<tr id="97260E1FD7E32BF8FD729DD572D891BD" pageId="0" pageNumber="1">
<td id="D63AF03557582ADAB7B3D5F8AA67A6FC" colspan="1" pageId="0" pageNumber="1" rowspan="1">F1 - n tubercles</td>
<td id="AE1E1F9116FC657C47D52EE39FF2CEED" colspan="1" pageId="0" pageNumber="1" rowspan="1">
35.6
<normalizedToken id="5A7268BDB6CD5343C38EC3B9C113D63F" originalValue="±">+/-</normalizedToken>
0.6
</td>
<td id="C1D32FBF85D50349FDBCF044026C89BE" colspan="1" pageId="0" pageNumber="1" rowspan="1">32-41</td>
<td id="425802C7AE072CD425D2AEC895DEED66" colspan="1" pageId="0" pageNumber="1" rowspan="1">15</td>
<td id="AC68A7F4AFCFA40908BC458B8241A1B9" colspan="1" pageId="0" pageNumber="1" rowspan="1">
35.3
<normalizedToken id="491AE29B7F1B260A23E89462FC750781" originalValue="±">+/-</normalizedToken>
0.6
</td>
<td id="52C55BD19FCB39F569E208FD59006068" colspan="1" pageId="0" pageNumber="1" rowspan="1">29-40</td>
<td id="6415F940A451669EE1C966CC5814D9FA" colspan="1" pageId="0" pageNumber="1" rowspan="1">27</td>
</tr>
<tr id="398E8CBC15FDAA9133D05B779DEB3807" pageId="0" pageNumber="1">
<td id="61ED041C17B1ED0C88BFC38C75917441" colspan="1" pageId="0" pageNumber="1" rowspan="1">F1 - n spinous setae</td>
<td id="0A8F268692A9BCF94A3A93D89EC36313" colspan="1" pageId="0" pageNumber="1" rowspan="1">
9.1
<normalizedToken id="56D18D8DAB641A56D2E307337AAE58B0" originalValue="±">+/-</normalizedToken>
0.1
</td>
<td id="1E96194BC3753613351370E979E89FE3" colspan="1" pageId="0" pageNumber="1" rowspan="1">8-10</td>
<td id="B268B7E58CDA4EF41AF8F3B24C208038" colspan="1" pageId="0" pageNumber="1" rowspan="1">15</td>
<td id="1812EE6396067FE1B60E264563D2D261" colspan="1" pageId="0" pageNumber="1" rowspan="1">
9.0
<normalizedToken id="5640AED0B7CCDD6A27D1FF0EB227ECC0" originalValue="±">+/-</normalizedToken>
0.1
</td>
<td id="473816DBD18E0590E36868D7C27A734D" colspan="1" pageId="0" pageNumber="1" rowspan="1">8-10</td>
<td id="19B113BB6B217E41936CFC8B149CB6B7" colspan="1" pageId="0" pageNumber="1" rowspan="1">30</td>
</tr>
<tr id="3BFC822541EB42E4C19CE6C92D1633DD" pageId="0" pageNumber="1">
<td id="971AE895060EA92DCF56BD01ED3BC85B" colspan="1" pageId="0" pageNumber="1" rowspan="1">F3 - n tubercles</td>
<td id="678F377EC7B54EC0AF6E2E357F7789E3" colspan="1" pageId="0" pageNumber="1" rowspan="1">
6.5
<normalizedToken id="ECA30347D3F201774312D338C48DCEA8" originalValue="±">+/-</normalizedToken>
0.4
</td>
<td id="2B834AB2469AA8E26ACFCCAA0E5AEEF1" colspan="1" pageId="0" pageNumber="1" rowspan="1">4-10</td>
<td id="10535BB1990E575BA876AF85AE52ADB3" colspan="1" pageId="0" pageNumber="1" rowspan="1">16</td>
<td id="8E077E2FD1D624650D78014C0474AFB5" colspan="1" pageId="0" pageNumber="1" rowspan="1">
6.5
<normalizedToken id="BA228AC856F0C7B76AAF40D9795153D0" originalValue="±">+/-</normalizedToken>
0.3
</td>
<td id="6D78518124712EEF7BE67586510D0021" colspan="1" pageId="0" pageNumber="1" rowspan="1">4-11</td>
<td id="8C240AB3A797777771BFECF6E8F1C994" colspan="1" pageId="0" pageNumber="1" rowspan="1">30</td>
</tr>
<tr id="4EEEDC6B3DFFEB4A0B494522D4B54FD6" pageId="0" pageNumber="1">
<td id="DB598AFC5DC314FF76716D2B414350FF" colspan="1" pageId="0" pageNumber="1" rowspan="1">OVS length</td>
<td id="DCF2AC3066FECC55F7255F2DA98560D8" colspan="1" pageId="0" pageNumber="1" rowspan="1">
0.36
<normalizedToken id="9AFC387C099D8BC1BD66BF4F993C6788" originalValue="±">+/-</normalizedToken>
0.00
</td>
<td id="D2EDABB6FA559AEFF6AC8A97250CA071" colspan="1" pageId="0" pageNumber="1" rowspan="1">0.36-0.37</td>
<td id="A0482E3E48AD0E88FA83914813ECAB4D" colspan="1" pageId="0" pageNumber="1" rowspan="1">6</td>
<td id="5ED5D6ABA52EDC92C93BF6587443B2A0" colspan="1" pageId="0" pageNumber="1" rowspan="1">
0.35
<normalizedToken id="FF677B2289DEEF87D85F3DCF09252B8F" originalValue="±">+/-</normalizedToken>
0.01
</td>
<td id="4414C1E9BB518E61765B82D68A118669" colspan="1" pageId="0" pageNumber="1" rowspan="1">0.29-0.39</td>
<td id="BCBE4748AAA868578851B1E52661BB74" colspan="1" pageId="0" pageNumber="1" rowspan="1">11</td>
</tr>
<tr id="C257AC76F28A61B9EDE16B06C6E73495" pageId="0" pageNumber="1">
<td id="D441856F87EC4E0902ACAE79FB91149D" colspan="1" pageId="0" pageNumber="1" rowspan="1">FOS length</td>
<td id="EC1369FCA7EECC2574B99CF1FBB985CE" colspan="1" pageId="0" pageNumber="1" rowspan="1">
0.21
<normalizedToken id="568C5164D21FAA9AADE2E6180DDB10F9" originalValue="±">+/-</normalizedToken>
0.01
</td>
<td id="3B3683A5FA0D2A817718712218E4D2EE" colspan="1" pageId="0" pageNumber="1" rowspan="1">0.19-0.24</td>
<td id="7E0F381B5CE13338500E96CCC946052B" colspan="1" pageId="0" pageNumber="1" rowspan="1">5</td>
<td id="372BDD9048E6BDC8FB5B085A58849964" colspan="1" pageId="0" pageNumber="1" rowspan="1">
0.22
<normalizedToken id="0EFE477D803ACAAC75AB7D2377D5EBF3" originalValue="±">+/-</normalizedToken>
0.01
</td>
<td id="3342F7800CB9F7C14B8F812EE954E6A6" colspan="1" pageId="0" pageNumber="1" rowspan="1">0.18-0.25</td>
<td id="4D00F3CC46BD90AEAF7FE03556F87EDF" colspan="1" pageId="0" pageNumber="1" rowspan="1">11</td>
</tr>
</table>
</paragraph>
<paragraph id="85E2C149E822590183494B66B1D02A12" pageId="0" pageNumber="1">
<emphasis id="2FA7E20EBDAA6ED79E83422A865B1B98" bold="true" pageId="0" pageNumber="1">
<emphasis id="1014CD2EF2C5C6CAA371D1F1DA72A83F" italics="true" pageId="0" pageNumber="1">Colour</emphasis>
.
</emphasis>
Most of the specimens now studied were not so dark as those of the type series. These latter three specimens were therefore probably somewhat discoloured, a common tendency in the
<taxonomicName id="1F0C8CA143C0BA386D738D64D0A4133F" authorityName="Feijen" authorityYear="1983" class="Insecta" family="Diopsidae" kingdom="Animalia" lsidName="" order="Diptera" pageId="0" pageNumber="1" phylum="Arthropoda" rank="subFamily" subFamily="Centrioncinae">Centrioncinae</taxonomicName>
(
<bibRefCitation id="08154236AEFDDD0C39E074B391EDB0D9" author="Feijen, HR" journalOrPublisher="Zoologische Verhandelingen Leiden" pageId="0" pageNumber="1" pagination="1 - 137" publicationUrl="http://www.repository.naturalis.nl/document/149145" refId="B12" refString="Feijen, HR, 1983. Systematics and phylogeny of Centrioncidae, a new Afromontane family of Diptera (Schizophora). Zoologische Verhandelingen Leiden 202: 1 - 137, http://www.repository.naturalis.nl/document/149145" title="Systematics and phylogeny of Centrioncidae, a new Afromontane family of Diptera (Schizophora)." url="http://www.repository.naturalis.nl/document/149145" volume="202" year="1983">Feijen 1983</bibRefCitation>
). The overall colour pattern can be seen in Figs
<figureCitation id="3D1FE63DAD28D7B71E56FCD30F56939C" captionStart="Figures 912" captionStartId="F3" captionText="Figures 9 - 12. Centrioncus aberrans 9 Mount Elgon, ♀, habitus, lateral view 10 - 12 Timboroa Forest, ♂ 10 head, dorsal view 11 head, frontal view 12 thorax, lateral view. Arrows indicate glossy spots on frons. Scale bars: 0.5 mm." figureDoi="10.3897/zookeys.1144.95619.figures9-12" httpUri="https://binary.pensoft.net/fig/803916" pageId="0" pageNumber="1">9-12</figureCitation>
.
</paragraph>
<paragraph id="F6D7AF02A1FC5F3B48BACF0BF3BF6947" pageId="0" pageNumber="1">
<emphasis id="692E833E21D7E60D268326E1FDD918CE" bold="true" pageId="0" pageNumber="1">
<emphasis id="ABDF1E3BEA6B64356696C796F261598D" italics="true" pageId="0" pageNumber="1">Head</emphasis>
.
</emphasis>
Frons dark brown with anterior edge paler brown (in type-series frons almost uniformly brown), pruinose except two small glossy spots on either side of ocellar tubercle (Figs
<figureCitation id="8E1DD439CACE5449BABDFC177DE35A85" captionStart="Figures 912" captionStartId="F3" captionText="Figures 9 - 12. Centrioncus aberrans 9 Mount Elgon, ♀, habitus, lateral view 10 - 12 Timboroa Forest, ♂ 10 head, dorsal view 11 head, frontal view 12 thorax, lateral view. Arrows indicate glossy spots on frons. Scale bars: 0.5 mm." figureDoi="10.3897/zookeys.1144.95619.figures9-12" httpUri="https://binary.pensoft.net/fig/803916" pageId="0" pageNumber="1">10</figureCitation>
,
<figureCitation id="65AB46DFAA4796421A4F7A5B952A15BF" captionStart="Figures 912" captionStartId="F3" captionText="Figures 9 - 12. Centrioncus aberrans 9 Mount Elgon, ♀, habitus, lateral view 10 - 12 Timboroa Forest, ♂ 10 head, dorsal view 11 head, frontal view 12 thorax, lateral view. Arrows indicate glossy spots on frons. Scale bars: 0.5 mm." figureDoi="10.3897/zookeys.1144.95619.figures9-12" httpUri="https://binary.pensoft.net/fig/803916" pageId="0" pageNumber="1">11</figureCitation>
); face, gena and mouthparts pruinose, yellowish brown, palpus blackish; occiput uniformly blackish brown in type series (
<bibRefCitation id="C99DA1D5CCD89EADF886E9E8129A3733" author="Feijen, HR" journalOrPublisher="Zoologische Verhandelingen Leiden" pageId="0" pageNumber="1" pagination="1 - 137" publicationUrl="http://www.repository.naturalis.nl/document/149145" refId="B12" refString="Feijen, HR, 1983. Systematics and phylogeny of Centrioncidae, a new Afromontane family of Diptera (Schizophora). Zoologische Verhandelingen Leiden 202: 1 - 137, http://www.repository.naturalis.nl/document/149145" title="Systematics and phylogeny of Centrioncidae, a new Afromontane family of Diptera (Schizophora)." url="http://www.repository.naturalis.nl/document/149145" volume="202" year="1983">Feijen 1983</bibRefCitation>
), dark brown with more yellowish-brown ventral quarter in additional specimens; length of outer vertical seta 0.36 mm
<normalizedToken id="BD884CE5CF6B467351C56014113B8C39" originalValue="±">+/-</normalizedToken>
0.00 (
<emphasis id="2F3F20D584DBC4430B114A7F22DB5DAE" italics="true" pageId="0" pageNumber="1">n</emphasis>
= 17); length of fronto-orbital seta 0.22 mm
<normalizedToken id="9143C9C85919FF50FD16E8E58D531346" originalValue="±">+/-</normalizedToken>
0.01 (
<emphasis id="EDEFB1DF594A10F56FCD5D272F8E038C" italics="true" pageId="0" pageNumber="1">n</emphasis>
= 16).
</paragraph>
<paragraph id="44E07F5C487FB6EE3AC67F0F5AFB8C43" pageId="0" pageNumber="1">
<emphasis id="9C130F49377F2D25B7E61B024BEECB1D" bold="true" pageId="0" pageNumber="1">
<emphasis id="5FFB6DD6CE220274F5E7F367FD32D690" italics="true" pageId="0" pageNumber="1">Thorax</emphasis>
.
</emphasis>
Collar glossy blackish brown (Fig.
<figureCitation id="859C8AF8F8A8A95182770C0D80532319" captionStart="Figures 912" captionStartId="F3" captionText="Figures 9 - 12. Centrioncus aberrans 9 Mount Elgon, ♀, habitus, lateral view 10 - 12 Timboroa Forest, ♂ 10 head, dorsal view 11 head, frontal view 12 thorax, lateral view. Arrows indicate glossy spots on frons. Scale bars: 0.5 mm." figureDoi="10.3897/zookeys.1144.95619.figures9-12" httpUri="https://binary.pensoft.net/fig/803916" pageId="0" pageNumber="1">10</figureCitation>
); scutum blackish brown, densely pruinose, humeral calli (postpronotal lobes) less pruinose (Figs
<figureCitation id="FB208BE20793D9A399B0E82A27B2AF92" captionStart="Figures 912" captionStartId="F3" captionText="Figures 9 - 12. Centrioncus aberrans 9 Mount Elgon, ♀, habitus, lateral view 10 - 12 Timboroa Forest, ♂ 10 head, dorsal view 11 head, frontal view 12 thorax, lateral view. Arrows indicate glossy spots on frons. Scale bars: 0.5 mm." figureDoi="10.3897/zookeys.1144.95619.figures9-12" httpUri="https://binary.pensoft.net/fig/803916" pageId="0" pageNumber="1">9</figureCitation>
,
<figureCitation id="0721526BEED2A9516D37266657FE8453" captionStart="Figures 912" captionStartId="F3" captionText="Figures 9 - 12. Centrioncus aberrans 9 Mount Elgon, ♀, habitus, lateral view 10 - 12 Timboroa Forest, ♂ 10 head, dorsal view 11 head, frontal view 12 thorax, lateral view. Arrows indicate glossy spots on frons. Scale bars: 0.5 mm." figureDoi="10.3897/zookeys.1144.95619.figures9-12" httpUri="https://binary.pensoft.net/fig/803916" pageId="0" pageNumber="1">12</figureCitation>
); scutellum pruinose, dark brown in
<normalizedToken id="5A3CBD6F988FB17B9AE43B7E64799886" originalValue="“greasy”">&quot;greasy&quot;</normalizedToken>
specimens but brown with two vague darker spots in other specimens; scutellar spines brown; pleura (Fig.
<figureCitation id="DF30E5C87591277A91BA41CA559CE5AC" captionStart="Figures 912" captionStartId="F3" captionText="Figures 9 - 12. Centrioncus aberrans 9 Mount Elgon, ♀, habitus, lateral view 10 - 12 Timboroa Forest, ♂ 10 head, dorsal view 11 head, frontal view 12 thorax, lateral view. Arrows indicate glossy spots on frons. Scale bars: 0.5 mm." figureDoi="10.3897/zookeys.1144.95619.figures9-12" httpUri="https://binary.pensoft.net/fig/803916" pageId="0" pageNumber="1">12</figureCitation>
) mostly blackish brown, propleuron, anterior half and posteroventral corner of anepisternum and dorsal
<normalizedToken id="0E37F7EDDDE9DD7D891419407C0EAB14" originalValue="“knob”">&quot;knob&quot;</normalizedToken>
of anepimeron chestnut brown (pleura uniformly blackish brown in type series); scutellar spines diverging at angle of ~ 45° (type-series 40°); scutellar spine/scutellum ratio: 0.78
<normalizedToken id="E537B2B0D4DD6943E8EE5E343622E7D1" originalValue="±">+/-</normalizedToken>
0.01 (
<emphasis id="8C59B931403D1978139B63EBBEA56175" italics="true" pageId="0" pageNumber="1">n</emphasis>
= 18); scutellar spine/body length ratio: 0.056
<normalizedToken id="DDEAE4CA0418921C6C96385788B629D4" originalValue="±">+/-</normalizedToken>
0.001 (
<emphasis id="8AA606407E9B742E2DF8C1AE066B4ED3" italics="true" pageId="0" pageNumber="1">n</emphasis>
= 22); apical seta/scutellar spine ratio: 1.13
<normalizedToken id="B826B114B257CC58D992FEC208D8D296" originalValue="±">+/-</normalizedToken>
0.01 (
<emphasis id="6EDD9239AFED4F2B2169F18233C16E62" italics="true" pageId="0" pageNumber="1">n</emphasis>
= 10); scutellar length/scutellar width (at base) ratio: 0.64.
</paragraph>
<paragraph id="440A3E845F8B5AA8321A06E05767186B" pageId="0" pageNumber="1">
<emphasis id="4085B5F3F47F547C67250478AC5FCDD3" bold="true" pageId="0" pageNumber="1">
<emphasis id="E88361C0AEEA93723F4C635918120FE2" italics="true" pageId="0" pageNumber="1">Wing</emphasis>
.
</emphasis>
Subcostal cell not visible in most specimens, visible in one specimen from Rwanda and one specimen of Mt. Elgon; vein CuA+CuP from vein CuP onward slightly curving downward under angle of 30° to wing margin (Fig.
<figureCitation id="B2709242B64F83B2316E02F4CC741A25" captionStart="Figures 14" captionStartId="F1" captionText="Figures 1 - 4. Centrioncus, dorsal view of wings 1 ♂, C. aberrans, Timboroa Forest 2 ♀, paratype, C. bururiensis sp. nov., Bururi Nat. Forest 3 ♂ C. bytebieri, Ngangao Forest 4 ♀, paratype, C. copelandi sp. nov., Kasigau Mtn. Scale bars: 0.5 mm." figureDoi="10.3897/zookeys.1144.95619.figures1-4" httpUri="https://binary.pensoft.net/fig/803914" pageId="0" pageNumber="1">1</figureCitation>
); central wing spot distinct, medium-sized, largely in basal quarter of cell r4+5, extending into cells br and bm+dm; vague infuscation along vein M4; cell cua in between triangular and rectangular (Fig.
<figureCitation id="C79070CCAC16DA1C7967D2D922A678F0" captionStart="Figures 14" captionStartId="F1" captionText="Figures 1 - 4. Centrioncus, dorsal view of wings 1 ♂, C. aberrans, Timboroa Forest 2 ♀, paratype, C. bururiensis sp. nov., Bururi Nat. Forest 3 ♂ C. bytebieri, Ngangao Forest 4 ♀, paratype, C. copelandi sp. nov., Kasigau Mtn. Scale bars: 0.5 mm." figureDoi="10.3897/zookeys.1144.95619.figures1-4" httpUri="https://binary.pensoft.net/fig/803914" pageId="0" pageNumber="1">1</figureCitation>
).
</paragraph>
<paragraph id="89AEE1448DD057C86433EC7A60B97E59" pageId="0" pageNumber="1">
<emphasis id="1CE0F344D31D32120878A05C018E469B" bold="true" pageId="0" pageNumber="1">
<emphasis id="528FE3F59B3496DB1AD92F864206544F" italics="true" pageId="0" pageNumber="1">Legs</emphasis>
.
</emphasis>
Fore femur (Fig.
<figureCitation id="F95BFAE96E6B4FE957B587172AE6CBE1" captionStart="Figures 912" captionStartId="F3" captionText="Figures 9 - 12. Centrioncus aberrans 9 Mount Elgon, ♀, habitus, lateral view 10 - 12 Timboroa Forest, ♂ 10 head, dorsal view 11 head, frontal view 12 thorax, lateral view. Arrows indicate glossy spots on frons. Scale bars: 0.5 mm." figureDoi="10.3897/zookeys.1144.95619.figures9-12" httpUri="https://binary.pensoft.net/fig/803916" pageId="0" pageNumber="1">9</figureCitation>
) yellowish with distal quarter on both sides dark brown (only Lac Gando specimen on inner side with distinct brown stripe on distal third); fore femur strongly incrassate, l/w ratio: 2.75
<normalizedToken id="3A01357C6E84586C9B09CBAC6A04463B" originalValue="±">+/-</normalizedToken>
0.01 (
<emphasis id="C393BD9990543B91CE36593D0B37FD2B" italics="true" pageId="0" pageNumber="1">n</emphasis>
= 22), two rows of spinous setae on distal two-thirds with 9.0
<normalizedToken id="E24AD4211063A8CDB08FA170CE7AFFF3" originalValue="±">+/-</normalizedToken>
0.1 setae (
<emphasis id="AC3E0E5F1F2F2C1A32CD5C165AFD3921" italics="true" pageId="0" pageNumber="1">n</emphasis>
= 45), inner row with 4.9
<normalizedToken id="015FC80A67B12EE440B2F0246985914C" originalValue="±">+/-</normalizedToken>
0.0 setae and outer row with 4.1
<normalizedToken id="8F9C78A4F7BAC8C2189CC66E60D476EC" originalValue="±">+/-</normalizedToken>
0.0 setae, two rows of tubercles on distal three-quarters with 35.4
<normalizedToken id="FEFB88540DBBD4936C6FD5978E6BEC17" originalValue="±">+/-</normalizedToken>
0.5 tubercles (
<emphasis id="0102CD0545DDC27341804C274A8DE8F8" italics="true" pageId="0" pageNumber="1">n</emphasis>
= 42), inner row with 17.2
<normalizedToken id="B3890BB238A5E1D53E41B614C0CECDE6" originalValue="±">+/-</normalizedToken>
0.2 tubercles and outer row with 18.2
<normalizedToken id="C4CFB061A91113ECEBD986FD5B5F2E2D" originalValue="±">+/-</normalizedToken>
0.3 tubercles; hind femur distally with 6.5
<normalizedToken id="285ADB7A48778C8D85891832C5226D55" originalValue="±">+/-</normalizedToken>
0.2 (
<emphasis id="FD64783E958B043C22A98D65D6DE7B31" italics="true" pageId="0" pageNumber="1">n</emphasis>
= 46) tubercles in single row but in two specimens one tubercle placed in second row; setal formula (sensu
<bibRefCitation id="322420B534C0C03AB712EB0F179C0276" author="Feijen, HR" journalOrPublisher="Zoologische Verhandelingen Leiden" pageId="0" pageNumber="1" pagination="1 - 137" publicationUrl="http://www.repository.naturalis.nl/document/149145" refId="B12" refString="Feijen, HR, 1983. Systematics and phylogeny of Centrioncidae, a new Afromontane family of Diptera (Schizophora). Zoologische Verhandelingen Leiden 202: 1 - 137, http://www.repository.naturalis.nl/document/149145" title="Systematics and phylogeny of Centrioncidae, a new Afromontane family of Diptera (Schizophora)." url="http://www.repository.naturalis.nl/document/149145" volume="202" year="1983">Feijen 1983</bibRefCitation>
) of 4.1, 4.9, 18.2, 17.2, 6.5 vs. formula of type-series: 4.0, 5.2, 16.8, 15.2, 6.5.
</paragraph>
<paragraph id="C9B7B770F1894FA7AA8003D09FDD512B" pageId="0" pageNumber="1">
<emphasis id="192262BC6CE9E60F2E1F64E436B7F423" bold="true" pageId="0" pageNumber="1">
<emphasis id="D2BB0DEA85CF6C9046603436E123ADEB" italics="true" pageId="0" pageNumber="1">Preabdomen</emphasis>
.
</emphasis>
Dorsally dark brown, thinly pruinose; posterolateral corners of tergite 2 paler brown; sternites 1-6 brown, thinly pruinose, sternite 2 more glossy; sternite 1 rectangular, constricted on meson (Fig.
<figureCitation id="9E86D981E232D8C2AA428EBB32DFFB77" captionStart="Figures 1315" captionStartId="F4" captionText="Figures 13 - 15. Centrioncus aberrans, Mount Elgon, ♀ 13 abdomen, ventral view 14 sternite 7, ventral view 15 spermathecae. Scale bars: 0.5 mm (13); 0.1 mm (14, 15)." figureDoi="10.3897/zookeys.1144.95619.figures13-15" httpUri="https://binary.pensoft.net/fig/803917" pageId="0" pageNumber="1">13</figureCitation>
); sternite 2 anteriorly with mesally narrow, strongly sclerotised intersternite 1-2, laterally with thin extensions connected to main sternite 2; sternites 3 and 4 rectangular (Fig.
<figureCitation id="D2456AB9F5190A974C0E6D742043BA49" captionStart="Figures 1315" captionStartId="F4" captionText="Figures 13 - 15. Centrioncus aberrans, Mount Elgon, ♀ 13 abdomen, ventral view 14 sternite 7, ventral view 15 spermathecae. Scale bars: 0.5 mm (13); 0.1 mm (14, 15)." figureDoi="10.3897/zookeys.1144.95619.figures13-15" httpUri="https://binary.pensoft.net/fig/803917" pageId="0" pageNumber="1">13</figureCitation>
), sternite 5 trapezoidal, broadening posteriorly; sternite 6 short, broad, trapezoidal, broadening posteriorly, ~ 1.6
<normalizedToken id="6BF2F10066F8A00EBAD24C23E85791C8" originalValue="×">x</normalizedToken>
width of sternites 1-5.
</paragraph>
<paragraph id="81615A5928A67FF2C5F9F8E2173C3F4D" pageId="0" pageNumber="1">
<emphasis id="23502C5CE37A97CE0F50AFDBF9D50CFB" bold="true" pageId="0" pageNumber="1">
<emphasis id="9D164AE9F8FCB22C10FCAC01B116DE8A" italics="true" pageId="0" pageNumber="1">Female postabdomen</emphasis>
.
</emphasis>
Seventh spiracle half in/half out of tergite or touching tergite (Fig.
<figureCitation id="90FE787CB45D352CEA9C9B48730DED36" captionStart="Figures 1315" captionStartId="F4" captionText="Figures 13 - 15. Centrioncus aberrans, Mount Elgon, ♀ 13 abdomen, ventral view 14 sternite 7, ventral view 15 spermathecae. Scale bars: 0.5 mm (13); 0.1 mm (14, 15)." figureDoi="10.3897/zookeys.1144.95619.figures13-15" httpUri="https://binary.pensoft.net/fig/803917" pageId="0" pageNumber="1">14</figureCitation>
); anterior sclerite of sternite 7 with w/l ratio: ~ 5.3 (5.2-5.4); flies from Mt Elgon with weakly sclerotised rectangular plate (with rounded anterior corners) of posterior sclerite of sternite 7, as in female paratype with two large more sclerotised sections joined anteromesally (Figs
<figureCitation id="75C60E68166062FAFB7DBB5A83512BF1" captionStart="Figures 1315" captionStartId="F4" captionText="Figures 13 - 15. Centrioncus aberrans, Mount Elgon, ♀ 13 abdomen, ventral view 14 sternite 7, ventral view 15 spermathecae. Scale bars: 0.5 mm (13); 0.1 mm (14, 15)." figureDoi="10.3897/zookeys.1144.95619.figures13-15" httpUri="https://binary.pensoft.net/fig/803917" pageId="0" pageNumber="1">13</figureCitation>
,
<figureCitation id="1CB425EF0E4BF77C0D2740BF295AB4FA" captionStart="Figures 1315" captionStartId="F4" captionText="Figures 13 - 15. Centrioncus aberrans, Mount Elgon, ♀ 13 abdomen, ventral view 14 sternite 7, ventral view 15 spermathecae. Scale bars: 0.5 mm (13); 0.1 mm (14, 15)." figureDoi="10.3897/zookeys.1144.95619.figures13-15" httpUri="https://binary.pensoft.net/fig/803917" pageId="0" pageNumber="1">14</figureCitation>
); spermathecae as in paratype (spherical with small apical dimple with small ring); junction of ducts of paired spermathecae T-shaped (Figs
<figureCitation id="FC667BAF6E7AB7EA4F4E1911D46FCC2E" captionStart="Figures 1315" captionStartId="F4" captionText="Figures 13 - 15. Centrioncus aberrans, Mount Elgon, ♀ 13 abdomen, ventral view 14 sternite 7, ventral view 15 spermathecae. Scale bars: 0.5 mm (13); 0.1 mm (14, 15)." figureDoi="10.3897/zookeys.1144.95619.figures13-15" httpUri="https://binary.pensoft.net/fig/803917" pageId="0" pageNumber="1">13</figureCitation>
,
<figureCitation id="CC5D76151D7A79BA2F5BE4AAE910A81A" captionStart="Figures 1315" captionStartId="F4" captionText="Figures 13 - 15. Centrioncus aberrans, Mount Elgon, ♀ 13 abdomen, ventral view 14 sternite 7, ventral view 15 spermathecae. Scale bars: 0.5 mm (13); 0.1 mm (14, 15)." figureDoi="10.3897/zookeys.1144.95619.figures13-15" httpUri="https://binary.pensoft.net/fig/803917" pageId="0" pageNumber="1">15</figureCitation>
).
</paragraph>
<paragraph id="BB72391C8CB8A98877E459928018AB15" pageId="0" pageNumber="1">
<emphasis id="D1D61A86CE1305E88EB1FEA07408D4F3" bold="true" pageId="0" pageNumber="1">
<emphasis id="DD461B4DB9E215481A4453057520FD13" italics="true" pageId="0" pageNumber="1">Male postabdomen</emphasis>
.
</emphasis>
Epandrium yellowish brown, darker brown anteriorly (Fig.
<figureCitation id="9C7A4413774CD952D1EA03C7814FD3D9" captionStart="Figures 1620" captionStartId="F5" captionText="Figures 16 - 20. Centrioncus aberrans, ♂ 16, 20 Timboroa Forest 17, 18 Mount Elgon 19 Lac Gando 16 epandrium with surstyli, posterior view 17 cercus, posterior view 18 - 20 ejaculatory apodeme. Scale bars: 0.1 mm." figureDoi="10.3897/zookeys.1144.95619.figures16-20" httpUri="https://binary.pensoft.net/fig/803918" pageId="0" pageNumber="1">16</figureCitation>
) (uniformly brown in type series); qualitative characters conform with original description; surstylus of paratype ♂ (Fig.
<figureCitation id="BD20E3AB60EF656BBDD3C5D70916C1D6" captionStart="Figures 2124" captionStartId="F6" captionText="Figures 21 - 24. Centrioncus aberrans, ♂, surstylus, inner view 21 paratype. Uganda. Kilembe 22 Kenya, Mount Elgon 23 Rwanda, Lac Gando 24 Kenya, Timboroa Forest. Scale bar: 0.1 mm." figureDoi="10.3897/zookeys.1144.95619.figures21-24" httpUri="https://binary.pensoft.net/fig/803919" pageId="0" pageNumber="1">21</figureCitation>
) identical to specimens from Mt Elgon, Lac Gando and Timboroa forest (Figs
<figureCitation id="A5CEB821B03E494EB6B6C8C83ED87A34" captionStart="Figures 2124" captionStartId="F6" captionText="Figures 21 - 24. Centrioncus aberrans, ♂, surstylus, inner view 21 paratype. Uganda. Kilembe 22 Kenya, Mount Elgon 23 Rwanda, Lac Gando 24 Kenya, Timboroa Forest. Scale bar: 0.1 mm." figureDoi="10.3897/zookeys.1144.95619.figures21-24" httpUri="https://binary.pensoft.net/fig/803919" pageId="0" pageNumber="1">22-24</figureCitation>
); narrow cercus, without apical lateral extension, length/greatest width ratio: 2.6 (Fig.
<figureCitation id="F3C0FBCC921933D387077B5A8A567D24" captionStart="Figures 1620" captionStartId="F5" captionText="Figures 16 - 20. Centrioncus aberrans, ♂ 16, 20 Timboroa Forest 17, 18 Mount Elgon 19 Lac Gando 16 epandrium with surstyli, posterior view 17 cercus, posterior view 18 - 20 ejaculatory apodeme. Scale bars: 0.1 mm." figureDoi="10.3897/zookeys.1144.95619.figures16-20" httpUri="https://binary.pensoft.net/fig/803918" pageId="0" pageNumber="1">17</figureCitation>
, Table
<tableCitation id="0A582950477ACD68A9B68857DE2BD65B" captionStart="Table 8" captionStartId="T8" captionText="Table 8. Ratio width / length for the anterior sclerite of ♀ sternite 7, ratio length / width for ♀ cercus and ratio length / greatest width for ♂ cercus. Species are arranged according to three species-groups recognised." httpUri="http://table.plazi.org/id/BA654C5FE474EF511E0FDD042BFC63BE" pageId="0" pageNumber="1" tableUuid="BA654C5FE474EF511E0FDD042BFC63BE">8</tableCitation>
); subepandrial clasper of males from three localities (Figs
<figureCitation id="10AC0AA6BD3F8CCB45008776B99E1AEE" captionStart="Figures 2528" captionStartId="F7" captionText="Figures 25 - 28. Centrioncus aberrans, ♂, subepandrial clasper, outer view 25 paratype, Uganda. Kilembe 26 Kenya, Mount Elgon 27 Rwanda, Lac Gando 28 Kenya, Timboroa Forest. Scale bar: 0.1 mm." figureDoi="10.3897/zookeys.1144.95619.figures25-28" httpUri="https://binary.pensoft.net/fig/803920" pageId="0" pageNumber="1">26-28</figureCitation>
) similar to paratype (Fig.
<figureCitation id="3F97507C966F3405A9E2DB4BF51E0914" captionStart="Figures 2528" captionStartId="F7" captionText="Figures 25 - 28. Centrioncus aberrans, ♂, subepandrial clasper, outer view 25 paratype, Uganda. Kilembe 26 Kenya, Mount Elgon 27 Rwanda, Lac Gando 28 Kenya, Timboroa Forest. Scale bar: 0.1 mm." figureDoi="10.3897/zookeys.1144.95619.figures25-28" httpUri="https://binary.pensoft.net/fig/803920" pageId="0" pageNumber="1">25</figureCitation>
); epandrial fold (periandrial fold sensu
<bibRefCitation id="711D809AFC82B6C553039A6C142A338F" author="Feijen, HR" journalOrPublisher="Zoologische Verhandelingen Leiden" pageId="0" pageNumber="1" pagination="1 - 137" publicationUrl="http://www.repository.naturalis.nl/document/149145" refId="B12" refString="Feijen, HR, 1983. Systematics and phylogeny of Centrioncidae, a new Afromontane family of Diptera (Schizophora). Zoologische Verhandelingen Leiden 202: 1 - 137, http://www.repository.naturalis.nl/document/149145" title="Systematics and phylogeny of Centrioncidae, a new Afromontane family of Diptera (Schizophora)." url="http://www.repository.naturalis.nl/document/149145" volume="202" year="1983">Feijen (1983)</bibRefCitation>
) consists of one single piece, with inner section of fold not detached to form epandrial sclerite (stated as detached in the original description); quantitative characters agree well; outer arm of surstylus with 4-5 tubercles in type-series and specimens from Kenya and Rwanda (Figs
<figureCitation id="781D830FA985867F185C2F55BB93D1D7" captionStart="Figures 2124" captionStartId="F6" captionText="Figures 21 - 24. Centrioncus aberrans, ♂, surstylus, inner view 21 paratype. Uganda. Kilembe 22 Kenya, Mount Elgon 23 Rwanda, Lac Gando 24 Kenya, Timboroa Forest. Scale bar: 0.1 mm." figureDoi="10.3897/zookeys.1144.95619.figures21-24" httpUri="https://binary.pensoft.net/fig/803919" pageId="0" pageNumber="1">21-24</figureCitation>
); median arm of surstylus with 6 stout spinous setae in type series, and only 5 spinous setae in specimens from Mount Elgon, Timboroa, and Rwanda (Figs
<figureCitation id="E58D7752882AA40E0ED58FB6174C2542" captionStart="Figures 2124" captionStartId="F6" captionText="Figures 21 - 24. Centrioncus aberrans, ♂, surstylus, inner view 21 paratype. Uganda. Kilembe 22 Kenya, Mount Elgon 23 Rwanda, Lac Gando 24 Kenya, Timboroa Forest. Scale bar: 0.1 mm." figureDoi="10.3897/zookeys.1144.95619.figures21-24" httpUri="https://binary.pensoft.net/fig/803919" pageId="0" pageNumber="1">21-24</figureCitation>
); basal setulae on outer arm and setulae on inner arm distinctly larger in Kenya specimens (Figs
<figureCitation id="86D3C3A8F60C61AA559E893C6F34E2BB" captionStart="Figures 2124" captionStartId="F6" captionText="Figures 21 - 24. Centrioncus aberrans, ♂, surstylus, inner view 21 paratype. Uganda. Kilembe 22 Kenya, Mount Elgon 23 Rwanda, Lac Gando 24 Kenya, Timboroa Forest. Scale bar: 0.1 mm." figureDoi="10.3897/zookeys.1144.95619.figures21-24" httpUri="https://binary.pensoft.net/fig/803919" pageId="0" pageNumber="1">22</figureCitation>
,
<figureCitation id="16E7826C2CD0736FE505A6EFE693B7CF" captionStart="Figures 2124" captionStartId="F6" captionText="Figures 21 - 24. Centrioncus aberrans, ♂, surstylus, inner view 21 paratype. Uganda. Kilembe 22 Kenya, Mount Elgon 23 Rwanda, Lac Gando 24 Kenya, Timboroa Forest. Scale bar: 0.1 mm." figureDoi="10.3897/zookeys.1144.95619.figures21-24" httpUri="https://binary.pensoft.net/fig/803919" pageId="0" pageNumber="1">24</figureCitation>
); ejaculatory apodeme + sac in all four males (from Rwanda, Mount Elgon, and Timboroa Forest) (Figs
<figureCitation id="52588A1496DDC7D64D0E9FBC6639511B" captionStart="Figures 1620" captionStartId="F5" captionText="Figures 16 - 20. Centrioncus aberrans, ♂ 16, 20 Timboroa Forest 17, 18 Mount Elgon 19 Lac Gando 16 epandrium with surstyli, posterior view 17 cercus, posterior view 18 - 20 ejaculatory apodeme. Scale bars: 0.1 mm." figureDoi="10.3897/zookeys.1144.95619.figures16-20" httpUri="https://binary.pensoft.net/fig/803918" pageId="0" pageNumber="1">18-20</figureCitation>
, Table
<tableCitation id="DC5F4E06DCC9A4C9340D13D6FD6F3F67" captionStart="Table 9" captionStartId="T9" captionText="Table 9. Length of ejaculatory apodeme + sac, length of body and ratio ejaculatory apodeme + sac / length of body for Centrioncus and Teloglabrus species. Measurements in mm, ratio as %. For some species, values are given for more than one specimen, partly from different locations." httpUri="http://table.plazi.org/id/A6225849E25FAE826DA6C72DEB78E285" pageId="0" pageNumber="1" tableUuid="A6225849E25FAE826DA6C72DEB78E285">9</tableCitation>
) very large (9.3, 10.1, 10.1 and 11.2% of body length, respectively) (shorter in paratype).
</paragraph>
</subSubSection>
<subSubSection id="298FBFA148D0B1444FFB9BEB9A2FB7F0" pageId="0" pageNumber="1" type="distribution">
<paragraph id="F2EA2811B5DAE6A28760D266D55773B8" pageId="0" pageNumber="1">Distribution and habitat.</paragraph>
<paragraph id="8A45ACBE9FEEE00CE0F30C3EB3C2E0DA" pageId="0" pageNumber="1">
In the map of Eastern Africa (Fig.
<figureCitation id="C75ED1811426A1A6EB58EC00A97E7032" captionStart="Figure 29" captionStartId="F8" captionText="Figure 29. Distribution map of the seven Eastern African Centrioncus species." figureDoi="10.3897/zookeys.1144.95619.figure29" httpUri="https://binary.pensoft.net/fig/803921" pageId="0" pageNumber="1">29</figureCitation>
), the collection localities for
<taxonomicName id="4435344E8B6CA71C5B0B9AA4C0FD9281" lsidName="C. aberrans" pageId="0" pageNumber="1" rank="species" species="aberrans">
<emphasis id="2B06D4EF2E62BC77508ED71BE09108E3" italics="true" pageId="0" pageNumber="1">C. aberrans</emphasis>
</taxonomicName>
are indicated. The eastern branch of the Great Rift Valley appears to form a barrier between the populations of
<taxonomicName id="092148BB551954ED83C9203F04BF3CCB" lsidName="C. aberrans" pageId="0" pageNumber="1" rank="species" species="aberrans">
<emphasis id="FB5DE039BEE12BA5C2562242D3FA51F2" italics="true" pageId="0" pageNumber="1">C. aberrans</emphasis>
</taxonomicName>
and
<taxonomicName id="B64B9D98920E85E50D45420DC57DA1AE" lsidName="C. decoronotus" pageId="0" pageNumber="1" rank="species" species="decoronotus">
<emphasis id="986C48E38E786720EE9CD6BC97DE657A" italics="true" pageId="0" pageNumber="1">C. decoronotus</emphasis>
</taxonomicName>
. The two females collected in DR Congo/Rwanda are not indicated on the map. These two flies were collected by canopy fogging of individual trees. The methodology used for this fogging is explained in
<bibRefCitation id="377A94A8E1F3254D40D2B30A8D2F729B" DOI="https://doi.org/10.1111/j.1744-7429.2000.tb00496.x" author="Wagner, T" journalOrPublisher="Biotropica" pageId="0" pageNumber="1" pagination="502 - 514" refId="B57" refString="Wagner, T, 2000. Influence of forest type and tree species on canopy-dwelling beetles in Budongo Forest, Uganda. Biotropica 32 (3): 502 - 514, DOI: https://doi.org/10.1111/j.1744-7429.2000.tb00496.x" title="Influence of forest type and tree species on canopy-dwelling beetles in Budongo Forest, Uganda." url="https://doi.org/10.1111/j.1744-7429.2000.tb00496.x" volume="32" year="2000">Wagner (2000</bibRefCitation>
,
<bibRefCitation id="969DAEAC0DE12EFC0938FDA0A1AD4CC2" DOI="https://doi.org/10.1023/A:1017514417913" author="Wagner, T" journalOrPublisher="Biotropica" pageId="0" pageNumber="1" refId="B58" refString="Wagner, T, 2001. Seasonal changes in the canopy arthropod fauna in Rinorea beniensis in Budongo Forest, Uganda. Plant Ecology 153(1/2): 169-178. https://doi.org/10.1023/A:1017514417913" title="Seasonal changes in the canopy arthropod fauna in Rinorea beniensis in Budongo Forest, Uganda. Plant Ecology 153 (1 / 2): 169 - 178." url="https://doi.org/10.1023/A:1017514417913" year="2001">2001</bibRefCitation>
). Funnel-shaped sheets were attached to the trees at waist height for collecting the dropping insects. Dr Wagner (pers. comm.) explained that &quot;The lowest branches hit by the fog were about 3 metres [high] and it reaches usually ≤ 10 m.&quot;
</paragraph>
<caption id="C3C71E4DD6B730D9032629D6DAD340E4" doi="10.3897/zookeys.1144.95619.figure29" httpUri="https://binary.pensoft.net/fig/803921" pageId="0" pageNumber="1" start="Figure 29" startId="F8">
<paragraph id="C150D91956FEC1E8C57D2C344FF950A0" pageId="0" pageNumber="1">
<emphasis id="F806D031944C55D3237CF309BF173906" bold="true" pageId="0" pageNumber="1">Figure 29.</emphasis>
Distribution map of the seven Eastern African
<taxonomicName id="6F914AD53F08FAEE3BF386C765A5435A" authorityName="Speiser" authorityYear="1910" class="Insecta" family="Diopsidae" genus="Centrioncus" kingdom="Animalia" lsidName="Centrioncus" order="Diptera" pageId="0" pageNumber="1" phylum="Arthropoda" rank="genus">
<emphasis id="544E5D1A26660ABD668A94BB42514929" italics="true" pageId="0" pageNumber="1">Centrioncus</emphasis>
</taxonomicName>
species.
</paragraph>
</caption>
<paragraph id="1F814CB32D40E9C3F60D0D2F90A6E9C3" pageId="0" pageNumber="1">
<bibRefCitation id="2AE10640627F7CB10172F7D04CE29197" author="Feijen, HR" journalOrPublisher="Zoologische Verhandelingen Leiden" pageId="0" pageNumber="1" pagination="1 - 137" publicationUrl="http://www.repository.naturalis.nl/document/149145" refId="B12" refString="Feijen, HR, 1983. Systematics and phylogeny of Centrioncidae, a new Afromontane family of Diptera (Schizophora). Zoologische Verhandelingen Leiden 202: 1 - 137, http://www.repository.naturalis.nl/document/149145" title="Systematics and phylogeny of Centrioncidae, a new Afromontane family of Diptera (Schizophora)." url="http://www.repository.naturalis.nl/document/149145" volume="202" year="1983">Feijen (1983)</bibRefCitation>
indicated the habitat for
<taxonomicName id="BB139731C8391BC7CDD8E1157EA1DAAE" authorityName="Speiser" authorityYear="1910" class="Insecta" family="Diopsidae" genus="Centrioncus" kingdom="Animalia" lsidName="Centrioncus" order="Diptera" pageId="0" pageNumber="1" phylum="Arthropoda" rank="genus">
<emphasis id="B15ADFD52249FCE95D0F9A752503E87B" italics="true" pageId="0" pageNumber="1">Centrioncus</emphasis>
</taxonomicName>
and
<taxonomicName id="6BC93C9004259CC7F66540519BDC61FE" authorityName="Feijen" authorityYear="1983" class="Insecta" family="Diopsidae" genus="Teloglabrus" kingdom="Animalia" lsidName="Teloglabrus" order="Diptera" pageId="0" pageNumber="1" phylum="Arthropoda" rank="genus">
<emphasis id="422B0F8ED9F271C66C9BF57A364A4D62" italics="true" pageId="0" pageNumber="1">Teloglabrus</emphasis>
</taxonomicName>
was low shrubs and herbaceous plants. We collected the flies at heights of ~ 20-60 cm from ground level. The results of the canopy fogging trials possibly indicate that
<taxonomicName id="B254675EEE36BDBBF344AEF476D15A83" authorityName="Speiser" authorityYear="1910" class="Insecta" family="Diopsidae" genus="Centrioncus" kingdom="Animalia" lsidName="Centrioncus" order="Diptera" pageId="0" pageNumber="1" phylum="Arthropoda" rank="genus">
<emphasis id="9C6868C3702CC33323A8C1152FA704DB" italics="true" pageId="0" pageNumber="1">Centrioncus</emphasis>
</taxonomicName>
flies might also occur at higher levels in the trees, though disturbance of the flies or descending insecticide might form alternative explanations. Nothing is known about where oviposition occurs and larval feeding, so the possibility of breeding in the tree canopy cannot be excluded. The flies of
<taxonomicName id="D25951D5028D1161093A19BE23FC6521" lsidName="C. aberrans" pageId="0" pageNumber="1" rank="species" species="aberrans">
<emphasis id="65AA59B008D312D20B5734A4EC3D468D" italics="true" pageId="0" pageNumber="1">C. aberrans</emphasis>
</taxonomicName>
from Timboroa Forest in Kenya were collected in a malaise trap. The height at which these flies were trapped is more in line with the habitat indicated by
<bibRefCitation id="F3D7F3E944BFFC2B7409CD359725137E" author="Feijen, HR" journalOrPublisher="Zoologische Verhandelingen Leiden" pageId="0" pageNumber="1" pagination="1 - 137" publicationUrl="http://www.repository.naturalis.nl/document/149145" refId="B12" refString="Feijen, HR, 1983. Systematics and phylogeny of Centrioncidae, a new Afromontane family of Diptera (Schizophora). Zoologische Verhandelingen Leiden 202: 1 - 137, http://www.repository.naturalis.nl/document/149145" title="Systematics and phylogeny of Centrioncidae, a new Afromontane family of Diptera (Schizophora)." url="http://www.repository.naturalis.nl/document/149145" volume="202" year="1983">Feijen (1983)</bibRefCitation>
. The Timboroa habitat is illustrated in Fig.
<figureCitation id="66C6DD1FD0816FAA8E87C7D428231828" captionStart="Figure 30" captionStartId="F9" captionText="Figure 30. Centrioncus aberrans, Kenya, Timboroa Forest, collection site, 2011. Photograph by A. H. Kirk-Spriggs." figureDoi="10.3897/zookeys.1144.95619.figure30" httpUri="https://binary.pensoft.net/fig/803922" pageId="0" pageNumber="1">30</figureCitation>
.
</paragraph>
<caption id="7FB239835609768CA40C222DD8FB824A" doi="10.3897/zookeys.1144.95619.figure30" httpUri="https://binary.pensoft.net/fig/803922" pageId="0" pageNumber="1" start="Figure 30" startId="F9">
<paragraph id="668320B46F74C6D3B6C6154BCDE4C93F" pageId="0" pageNumber="1">
<emphasis id="896F476B28DCBC08A7B842AEE249C60A" bold="true" pageId="0" pageNumber="1">Figure 30.</emphasis>
<taxonomicName id="EE85F93BFD3ECC4156388014075E8872" authorityName="Feijen" authorityYear="1983" class="Insecta" family="Diopsidae" genus="Centrioncus" kingdom="Animalia" lsidName="Centrioncus aberrans" order="Diptera" pageId="0" pageNumber="1" phylum="Arthropoda" rank="species" species="aberrans">
<emphasis id="984C6D8DC720C7A8AEEF0C26671C588E" italics="true" pageId="0" pageNumber="1">Centrioncus aberrans</emphasis>
</taxonomicName>
, Kenya, Timboroa Forest, collection site, 2011. Photograph by A.H. Kirk-Spriggs.
</paragraph>
</caption>
</subSubSection>
<subSubSection id="6F0D15310CB1D65A2B105A79CAFA4809" pageId="0" pageNumber="1" type="remarks">
<paragraph id="FE62C2FB121ADEFC699DEE76ECB78342" pageId="0" pageNumber="1">Remarks.</paragraph>
<paragraph id="367D0EEA98334B546C4634392796B281" pageId="0" pageNumber="1">
Given the unusually large range of distribution of this
<taxonomicName id="B76BA5E06E3CFF512DA599BB71938B2C" authorityName="Speiser" authorityYear="1910" class="Insecta" family="Diopsidae" genus="Centrioncus" kingdom="Animalia" lsidName="Centrioncus" order="Diptera" pageId="0" pageNumber="1" phylum="Arthropoda" rank="genus">
<emphasis id="8FB918E062AB59134BAA0C8C81288CC0" italics="true" pageId="0" pageNumber="1">Centrioncus</emphasis>
</taxonomicName>
species, special care was taken to examine and compare defining characters such as surstylus, subepandrial clasper, male cercus and female sternite 7 for flies from the regions involved: western Uganda, western Rwanda, western and more central Kenya (Fig.
<figureCitation id="754C480EE91FD1D1ADE2EA98C532FB21" captionStart="Figure 29" captionStartId="F8" captionText="Figure 29. Distribution map of the seven Eastern African Centrioncus species." figureDoi="10.3897/zookeys.1144.95619.figure29" httpUri="https://binary.pensoft.net/fig/803921" pageId="0" pageNumber="1">29</figureCitation>
). Comparisons of surstyli (Figs
<figureCitation id="7EAE1A0C00992B2C123FACA4B003869F" captionStart="Figures 2124" captionStartId="F6" captionText="Figures 21 - 24. Centrioncus aberrans, ♂, surstylus, inner view 21 paratype. Uganda. Kilembe 22 Kenya, Mount Elgon 23 Rwanda, Lac Gando 24 Kenya, Timboroa Forest. Scale bar: 0.1 mm." figureDoi="10.3897/zookeys.1144.95619.figures21-24" httpUri="https://binary.pensoft.net/fig/803919" pageId="0" pageNumber="1">21-24</figureCitation>
) and subepandrial claspers (Figs
<figureCitation id="85D016C5FE1AFCD7096B094662369234" captionStart="Figures 2528" captionStartId="F7" captionText="Figures 25 - 28. Centrioncus aberrans, ♂, subepandrial clasper, outer view 25 paratype, Uganda. Kilembe 26 Kenya, Mount Elgon 27 Rwanda, Lac Gando 28 Kenya, Timboroa Forest. Scale bar: 0.1 mm." figureDoi="10.3897/zookeys.1144.95619.figures25-28" httpUri="https://binary.pensoft.net/fig/803920" pageId="0" pageNumber="1">25-28</figureCitation>
) lead to the conclusion that they are largely similar. For the surstyli, the general shape, number of tubercles and number of spinous setae correspond well. Also, the very specific female sternite 7 (Figs
<figureCitation id="1E8D6C35F9BB1CC7A3348EB0485BA302" captionStart="Figures 1315" captionStartId="F4" captionText="Figures 13 - 15. Centrioncus aberrans, Mount Elgon, ♀ 13 abdomen, ventral view 14 sternite 7, ventral view 15 spermathecae. Scale bars: 0.5 mm (13); 0.1 mm (14, 15)." figureDoi="10.3897/zookeys.1144.95619.figures13-15" httpUri="https://binary.pensoft.net/fig/803917" pageId="0" pageNumber="1">13</figureCitation>
,
<figureCitation id="C97DF77F8DFC3783A6B974511A1A79B2" captionStart="Figures 1315" captionStartId="F4" captionText="Figures 13 - 15. Centrioncus aberrans, Mount Elgon, ♀ 13 abdomen, ventral view 14 sternite 7, ventral view 15 spermathecae. Scale bars: 0.5 mm (13); 0.1 mm (14, 15)." figureDoi="10.3897/zookeys.1144.95619.figures13-15" httpUri="https://binary.pensoft.net/fig/803917" pageId="0" pageNumber="1">14</figureCitation>
) is very similar to the female paratype. The subepandrial clasper of the paratype (Fig.
<figureCitation id="8597F8A534D7F47620B8860049428197" captionStart="Figures 2528" captionStartId="F7" captionText="Figures 25 - 28. Centrioncus aberrans, ♂, subepandrial clasper, outer view 25 paratype, Uganda. Kilembe 26 Kenya, Mount Elgon 27 Rwanda, Lac Gando 28 Kenya, Timboroa Forest. Scale bar: 0.1 mm." figureDoi="10.3897/zookeys.1144.95619.figures25-28" httpUri="https://binary.pensoft.net/fig/803920" pageId="0" pageNumber="1">25</figureCitation>
) appears less broad, but this is caused by it being slightly tilted to the right during the preparation. While comparing the shapes of the surstyli, care must be taken to present these three-dimensional structures as much as possible in the same plane. In the drawing of the surstylus of the paratype male (Fig.
<figureCitation id="C36EBF026389ED1B8FFF4B1304590ED3" captionStart="Figures 2124" captionStartId="F6" captionText="Figures 21 - 24. Centrioncus aberrans, ♂, surstylus, inner view 21 paratype. Uganda. Kilembe 22 Kenya, Mount Elgon 23 Rwanda, Lac Gando 24 Kenya, Timboroa Forest. Scale bar: 0.1 mm." figureDoi="10.3897/zookeys.1144.95619.figures21-24" httpUri="https://binary.pensoft.net/fig/803919" pageId="0" pageNumber="1">21</figureCitation>
), the median arm is slightly tilted upward, so this arm appears somewhat shorter. Likewise, the inner arm of the surstylus in the Lac Gando specimen (Fig.
<figureCitation id="C3BBC223F9B5E53953F23C91D85E525B" captionStart="Figures 2124" captionStartId="F6" captionText="Figures 21 - 24. Centrioncus aberrans, ♂, surstylus, inner view 21 paratype. Uganda. Kilembe 22 Kenya, Mount Elgon 23 Rwanda, Lac Gando 24 Kenya, Timboroa Forest. Scale bar: 0.1 mm." figureDoi="10.3897/zookeys.1144.95619.figures21-24" httpUri="https://binary.pensoft.net/fig/803919" pageId="0" pageNumber="1">23</figureCitation>
) is somewhat tilted and so appears a bit different. In addition, small differences in shape of the three arms and size of setulae are observed and it could be argued that this species is in a very early phase of allopatric speciation. However, if one looks at the major differences for these defining characters between the
<taxonomicName id="843519CC7FAE1D91F31BC9FCC82968BE" authorityName="Speiser" authorityYear="1910" class="Insecta" family="Diopsidae" genus="Centrioncus" kingdom="Animalia" lsidName="Centrioncus" order="Diptera" pageId="0" pageNumber="1" phylum="Arthropoda" rank="genus">
<emphasis id="213CB3E1D8A38D8BDB3E4B1401AB39DB" italics="true" pageId="0" pageNumber="1">Centrioncus</emphasis>
</taxonomicName>
species (Figs
<figureCitation id="098452EB0BD5038EE902DA125E96E936" captionStart="Figures 5054" captionStartId="F15" captionText="Figures 50 - 54. Centrioncus bururiensis sp. nov., ♂, paratype, Bururi Nat. Forest 50 epandrium, cerci, surstyli, posterior view 51 surstylus, inner view 52 ejaculatory apodeme + sac 53 subepandrial clasper, posterior view 54 cercus, posterior view. Scale bars: 0.1 mm." figureDoi="10.3897/zookeys.1144.95619.figures50-54" httpUri="https://binary.pensoft.net/fig/803928" pageId="0" pageNumber="1">51</figureCitation>
,
<figureCitation id="5B8313164B0B630D47FB37EAEB56C5C3" captionStart="Figures 6873" captionStartId="F18" captionText="Figures 68 - 73. Centrioncus bytebieri, ♂, Vuria Forest 68 synsternite 7 + 8, epandrium, surstyli, lateral view 69 subepandrial clasper and surstylus, inner view 70 subepandrial clasper and surstylus, outer view 71 cercus, posterior view 72 sternites 1 - 5, ventral view 73 ejaculatory apodeme + sac. Scale bars: 0.2 mm (68, 72); 0.1 mm (69 - 71, 73)." figureDoi="10.3897/zookeys.1144.95619.figures68-73" httpUri="https://binary.pensoft.net/fig/803931" pageId="0" pageNumber="1">69</figureCitation>
,
<figureCitation id="5C0C5EA93C76CED1D583E47F59434007" captionStart="Figures 8891" captionStartId="F22" captionText="Figures 88 - 91. Centrioncus copelandi sp. nov., ♂, holotype, Kasigau Mtn 88 surstylus, inner view 89 cercus, posterior view 90 subepandrial clasper, posterior view 91 ejaculatory apodeme + sac. Scale bars: 0.1 mm." figureDoi="10.3897/zookeys.1144.95619.figures88-91" httpUri="https://binary.pensoft.net/fig/803935" pageId="0" pageNumber="1">88</figureCitation>
,
<figureCitation id="E48D2468E8F5EC0896BFFAD7EAF47493" captionStart="Figures 122125" captionStartId="F32" captionText="Figures 122 - 125. Centrioncus decoronotus, ♂, Ol Doinyo Orok 122 left subepandrial clasper and surstylus, inner view 123 cercus, posterior view 124 right subepandrial clasper, posterior view 125 ejaculatory apodeme + sac. Scale bars: 0.1 mm (122 - 124); 0.2 mm (125)." figureDoi="10.3897/zookeys.1144.95619.figures122-125" httpUri="https://binary.pensoft.net/fig/803945" pageId="0" pageNumber="1">122</figureCitation>
,
<figureCitation id="9C51EC8B5AC7E57FC7D6E290982C1639" captionStart="Figures 136138" captionStartId="F35" captionText="Figures 136 - 138. Centrioncus jacobae, ♂, Mt Soche 136 holotype, abdomen, hind femur, lateral view 137 epandrium, surstyli, posterior view 138 paratype, subepandrial clasper and surstylus, inner view. Scale bars: 0.5 mm (136); 0.1 mm (137, 138)." figureDoi="10.3897/zookeys.1144.95619.figures136-138" httpUri="https://binary.pensoft.net/fig/803948" pageId="0" pageNumber="1">138</figureCitation>
,
<figureCitation id="9B596952515A2AD966EFA9EDE3D3FC60" captionStart="Figures 150, 151" captionStartId="F38" captionText="Figures 150, 151. Centrioncus prodiopsis, ♂, lectotype, Kibongoto 150 surstylus, inner view 151 subepandrial clasper and base of surstylus, posterior view. Scale bars: 0.1 mm." figureDoi="10.3897/zookeys.1144.95619.figures150-151" httpUri="https://binary.pensoft.net/fig/803951" pageId="0" pageNumber="1">150</figureCitation>
;
<bibRefCitation id="A9E6ECC8CBE6A12C73C52FFD17D9B9CC" author="Feijen, HR" journalOrPublisher="Zoologische Verhandelingen Leiden" pageId="0" pageNumber="1" pagination="1 - 137" publicationUrl="http://www.repository.naturalis.nl/document/149145" refId="B12" refString="Feijen, HR, 1983. Systematics and phylogeny of Centrioncidae, a new Afromontane family of Diptera (Schizophora). Zoologische Verhandelingen Leiden 202: 1 - 137, http://www.repository.naturalis.nl/document/149145" title="Systematics and phylogeny of Centrioncidae, a new Afromontane family of Diptera (Schizophora)." url="http://www.repository.naturalis.nl/document/149145" volume="202" year="1983">Feijen 1983</bibRefCitation>
), the conclusion can be drawn that all specimens examined across the large distribution range belong to one species,
<taxonomicName id="8FEE9173FA1C60B762CA83D124202E14" lsidName="C. aberrans" pageId="0" pageNumber="1" rank="species" species="aberrans">
<emphasis id="332B2502BA08B6FCA083FBF19968A272" italics="true" pageId="0" pageNumber="1">C. aberrans</emphasis>
</taxonomicName>
.
</paragraph>
</subSubSection>
</treatment>
</document>