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<document id="DEC5F905AC6A84464D95A070E38EF190" ID-DOI="10.11646/zootaxa.3954.1.1" ID-GBIF-Dataset="44878647-9450-4895-ad32-d1fc79eb30ea" ID-ISSN="1175-5326" ID-Zenodo-Dep="288397" ID-ZooBank="AA3DB71F-AD9A-4205-889B-FB212E367A37" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1461048726863" checkinUser="plazi" docAuthor="Hippa, Heikki, Steenis, Jeroen Van &amp; Mutin, Valeri A." docDate="2015" docId="03E04D5BFF92FF9EFF71D56F67BDFEE3" docLanguage="en" docName="zt03954p067.pdf" docOrigin="Zootaxa 3954 (1)" docStyle="DocumentStyle:5EBBA59367AD13919D70D935FA04F6A3.14:Zootaxa.2013-.monograph" docStyleId="5EBBA59367AD13919D70D935FA04F6A3" docStyleName="Zootaxa.2013-.monograph" docStyleVersion="14" docTitle="Sphegina (Asiosphegina) index Hippa, Steenis &amp; Mutin, 2015, sp. n." docType="treatment" docUuid="94E3981F-B644-450D-AC9D-B73AA9ADF508" docUuidSource="ZooBank" docVersion="7" lastPageNumber="21" masterDocId="FFD93523FF80FF8AFFE6D30E6410FF87" masterDocTitle="The genus Sphegina Meigen (Diptera, Syrphidae) in a biodiversity hotspot: the thirty-six sympatric species in Kambaiti, Myanmar" masterLastPageNumber="67" masterPageNumber="1" pageNumber="19" updateTime="1698577992032" updateUser="plazi">
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<mods:title id="DFB3598C7DDC71FA685A772F5DB5C88E">The genus Sphegina Meigen (Diptera, Syrphidae) in a biodiversity hotspot: the thirty-six sympatric species in Kambaiti, Myanmar</mods:title>
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<mods:namePart id="A29A2E884CD14EFDCDF2300524005F42">Hippa, Heikki</mods:namePart>
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<mods:namePart id="B3771753D7E3136DD440E60387C782BE">Steenis, Jeroen Van</mods:namePart>
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<mods:namePart id="DFAB7F65464DCE3117F55772A562AEA8">Mutin, Valeri A.</mods:namePart>
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<mods:title id="397E77B77A8C2A68F6CB0858C9004F9D">Zootaxa</mods:title>
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<mods:date id="72B3347F1A5D612A4E18CEDB7BFBC1C9">2015</mods:date>
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<treatment id="03E04D5BFF92FF9EFF71D56F67BDFEE3" ID-DOI="http://doi.org/10.5281/zenodo.5692177" ID-GBIF-Taxon="127691277" ID-Zenodo-Dep="5692177" LSID="urn:lsid:zoobank.org:act:94E3981F-B644-450D-AC9D-B73AA9ADF508" httpUri="http://treatment.plazi.org/id/03E04D5BFF92FF9EFF71D56F67BDFEE3" lastPageId="20" lastPageNumber="21" pageId="18" pageNumber="19">
<subSubSection id="C353AFC6FF92FF98FF71D56F652FF91B" pageId="18" pageNumber="19" type="nomenclature">
<paragraph id="8BF6FC4DFF92FF98FF71D56F664AF9FC" blockId="18.[151,602,1633,1693]" box="[151,602,1633,1659]" pageId="18" pageNumber="19">
<heading id="D0BE4B21FF92FF98FF71D56F664AF9FC" bold="true" box="[151,602,1633,1659]" fontSize="11" level="1" pageId="18" pageNumber="19" reason="1">
<emphasis id="B93D205FFF92FF98FF71D56F664AF9FC" bold="true" box="[151,602,1633,1659]" pageId="18" pageNumber="19">
<taxonomicName id="4C4987CEFF92FF98FF71D56F6601F9FC" ID-CoL="8F3YG" box="[151,529,1633,1659]" class="Insecta" family="Syrphidae" genus="Sphegina" kingdom="Animalia" order="Diptera" pageId="18" pageNumber="19" phylum="Arthropoda" rank="species" species="index" status="sp. nov." subGenus="Asiosphegina">
<emphasis id="B93D205FFF92FF98FF71D56F6601F9FC" bold="true" box="[151,529,1633,1659]" italics="true" pageId="18" pageNumber="19">Sphegina (Asiosphegina) index</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A20E9D24FF92FF98FDFED56F664AF9FC" box="[536,602,1633,1659]" pageId="18" pageNumber="19" rank="species">sp. n.</taxonomicNameLabel>
</emphasis>
</heading>
</paragraph>
<paragraph id="8BF6FC4DFF92FF98FF71D58A652FF91B" blockId="18.[151,602,1633,1693]" box="[151,319,1668,1693]" pageId="18" pageNumber="19">
<figureCitation id="1372E0C8FF92FF98FF71D58A64CDF91B" box="[151,221,1668,1693]" captionStart="FIGURE 2" captionStartId="8.[151,248,1537,1559]" captionTargetBox="[225,1354,364,1512]" captionTargetId="figure@8.[222,1365,358,1516]" captionTargetPageId="8" captionText="FIGURE 2. Wing. A. Sphegina (Sphegina) uncinata sp. n. (paratype). B. S. (Asiosphegina) furva sp. n. (paratype). C. S. (A.) nasuta sp. n. (paratype). D. S. (A.) crucivena sp. n. (paratype). E. S. (A.) crassispina sp. n. (paratype). F. S. (A.) bidens sp. n. (paratype). G. S. (A.) carinata sp. n. (paratype). H. S. (A.) index sp. n. (paratype). I. S. (A.) simplex sp. n. (paratype). Scale 0.5 mm." httpUri="https://zenodo.org/record/288398/files/figure.png" pageId="18" pageNumber="19">Figs 2</figureCitation>
H, 9AE
</paragraph>
</subSubSection>
<subSubSection id="C353AFC6FF92FF99FF71D5C2601BFDC5" lastPageId="19" lastPageNumber="20" pageId="18" pageNumber="19" type="description">
<paragraph id="8BF6FC4DFF92FF98FF71D5C2618CF867" blockId="18.[151,1437,1740,2017]" pageId="18" pageNumber="19">
<emphasis id="B93D205FFF92FF98FF71D5C264E2F962" bold="true" box="[151,242,1740,1765]" pageId="18" pageNumber="19">MALE.</emphasis>
Body length
<quantity id="4CB151A8FF92FF98FE6FD5C265F1F963" box="[393,481,1740,1765]" metricMagnitude="-3" metricUnit="m" metricValue="7.6" pageId="18" pageNumber="19" unit="mm" value="7.6">7.6 mm</quantity>
, wing length 6.0 mm.
<emphasis id="B93D205FFF92FF98FD3DD5C2670AF962" bold="true" box="[731,794,1740,1765]" pageId="18" pageNumber="19">Head</emphasis>
. Face strongly concave and moderately projected anteroventrally; frontal prominence weakly developed (similar to Fig. 1J). Width of vertex at anterior ocellus a little more than 1/4 of the width of head; depth of occipital fossa ca. 1/3 of the width of eye in dorsal view. Width of face:width of head 1:3.9. Face black, medio-ventral part brownish, pale pollinose. Gena shiny black. Frons and vertex dull black; lunula shiny brown. Occiput dull black. Antenna brown, basoflagellomere darker dorsally; arista pilose.
<emphasis id="B93D205FFF92FF98FF71D48E64E6F81E" bold="true" box="[151,246,1920,1945]" pageId="18" pageNumber="19">Thorax.</emphasis>
Colour blackish, weakly pollinose; postalar callus brownish; scutum semi-shiny, with a pair of indistinct darker submedial fascia; pile short, adpressed, reddish; scutellum short, about 2.5 times broader than long, apically rounded; the pile similar to that on scutum; with a pair of long thin, dark, setae at apical margin.
<emphasis id="B93D205FFF92FF98FB0BD4C66125F866" bold="true" box="[1261,1333,1992,2017]" pageId="18" pageNumber="19">Wing,</emphasis>
<figureCitation id="1372E0C8FF92FF98FADBD4C66191F867" box="[1341,1409,1992,2017]" captionStart="FIGURE 2" captionStartId="8.[151,248,1537,1559]" captionTargetBox="[225,1354,364,1512]" captionTargetId="figure@8.[222,1365,358,1516]" captionTargetPageId="8" captionText="FIGURE 2. Wing. A. Sphegina (Sphegina) uncinata sp. n. (paratype). B. S. (Asiosphegina) furva sp. n. (paratype). C. S. (A.) nasuta sp. n. (paratype). D. S. (A.) crucivena sp. n. (paratype). E. S. (A.) crassispina sp. n. (paratype). F. S. (A.) bidens sp. n. (paratype). G. S. (A.) carinata sp. n. (paratype). H. S. (A.) index sp. n. (paratype). I. S. (A.) simplex sp. n. (paratype). Scale 0.5 mm." httpUri="https://zenodo.org/record/288398/files/figure.png" pageId="18" pageNumber="19">Fig. 2</figureCitation>
H.
</paragraph>
<paragraph id="8BF6FC4DFF93FF99FF71D399601BFDC5" blockId="19.[151,1437,151,650]" pageId="19" pageNumber="20">
Hyalinous, the infuscated pattern brownish, stigma yellowish. Cross vein dm-cu perpendicular to vein M1+2, slightly s-curved; vein M1 straight.
<emphasis id="B93D205FFF93FF99FDD3D3B06664FF50" bold="true" box="[565,628,190,215]" pageId="19" pageNumber="20">Legs.</emphasis>
Pro- and mesolegs yellow; tarsomeres 4 and 5 black. Metaleg: coxa brownish; trochanter yellow, simple; femur black, the narrower curved basal part yellow, antero-dorsally with 2 long dark erected setae near the apex (in
<typeStatus id="54F242EFFF93FF99FD89D20766C1FEA5" box="[623,721,265,290]" pageId="19" pageNumber="20" type="holotype">holotype</typeStatus>
broken off, only 2 sockets visible); tibia without apico-ventral tooth, black, the basal 1/6 and a broad annulus on the apical 1/2 yellow; tarsus blackish.
<emphasis id="B93D205FFF93FF99FB94D22360FEFEC1" bold="true" box="[1138,1262,301,326]" pageId="19" pageNumber="20">Abdomen.</emphasis>
Length ratio of tergites I, II,
<date id="FFF7DA8DFF93FF99FECBD25C65A3FEED" box="[301,435,337,362]" pageId="19" pageNumber="20">III and IV 1</date>
:4.2:2.5:1.5; tergites shiny black, tergite III yellow on anterior 1/3; pile of tergites short and adpressed, reddish and blackish; tergite I with 3 black, widely separated setae at lateral margin (in
<typeStatus id="54F242EFFF93FF99FADCD27B618CFE09" box="[1338,1436,373,398]" pageId="19" pageNumber="20" type="holotype">holotype</typeStatus>
only 2 visible); sternite IV (
<figureCitation id="1372E0C8FF93FF99FE36D2976607FE35" box="[464,535,409,434]" captionStart="FIGURE 9" captionStartId="19.[151,250,1899,1921]" captionTargetBox="[196,1377,716,1868]" captionTargetId="figure@19.[196,1390,702,1877]" captionTargetPageId="19" captionText="FIGURE 9. Sphegina (Asiosphegina) index sp. n. (holotype). A. Posterior part of abdomen, lateral view; the unmodified pilosity omitted. B. Posterior part of sternite IV, ventral view; the unmodified pilosity omitted. C. Genitalia, lateral view. D. Left surstylus, lateral view. E. Left superior lobe, lateral view. Scale 0.5 mm." httpUri="https://zenodo.org/record/288405/files/figure.png" pageId="19" pageNumber="20">Figs 9</figureCitation>
A, B) mainly brown, the pile adpressed and pale, the strong setae black; sternite VI (
<figureCitation id="1372E0C8FF93FF99FF23D2B36519FE51" box="[197,265,445,470]" captionStart="FIGURE 9" captionStartId="19.[151,250,1899,1921]" captionTargetBox="[196,1377,716,1868]" captionTargetId="figure@19.[196,1390,702,1877]" captionTargetPageId="19" captionText="FIGURE 9. Sphegina (Asiosphegina) index sp. n. (holotype). A. Posterior part of abdomen, lateral view; the unmodified pilosity omitted. B. Posterior part of sternite IV, ventral view; the unmodified pilosity omitted. C. Genitalia, lateral view. D. Left surstylus, lateral view. E. Left superior lobe, lateral view. Scale 0.5 mm." httpUri="https://zenodo.org/record/288405/files/figure.png" pageId="19" pageNumber="20">Fig. 9</figureCitation>
A) with a long, narrow, straight process on anterior part and a conical tubercle on posterior part, black, with long, pale pile; sternite VII simple, black, with long pale pile; sternite VIII simple, black, with pale pile on anterior part, shorter than that on sternite VII.
<emphasis id="B93D205FFF93FF99FD41D10B670CFD99" bold="true" box="[679,796,517,542]" pageId="19" pageNumber="20">Genitalia,</emphasis>
<figureCitation id="1372E0C8FF93FF99FCC2D10B677BFD99" box="[804,875,517,542]" captionStart="FIGURE 9" captionStartId="19.[151,250,1899,1921]" captionTargetBox="[196,1377,716,1868]" captionTargetId="figure@19.[196,1390,702,1877]" captionTargetPageId="19" captionText="FIGURE 9. Sphegina (Asiosphegina) index sp. n. (holotype). A. Posterior part of abdomen, lateral view; the unmodified pilosity omitted. B. Posterior part of sternite IV, ventral view; the unmodified pilosity omitted. C. Genitalia, lateral view. D. Left surstylus, lateral view. E. Left superior lobe, lateral view. Scale 0.5 mm." httpUri="https://zenodo.org/record/288405/files/figure.png" pageId="19" pageNumber="20">Figs 9</figureCitation>
CE. Note the strongly asymmetrical surstyli and superior lobes and the basomedial lobe on the surstylus.
<emphasis id="B93D205FFF93FF99FCF6D127679FFDC5" bold="true" box="[784,911,553,578]" pageId="19" pageNumber="20">FEMALE.</emphasis>
Unknown.
</paragraph>
</subSubSection>
<subSubSection id="C353AFC6FF93FF99FF21D143610BFDE1" box="[199,1307,589,614]" pageId="19" pageNumber="20" type="materials_examined">
<paragraph id="8BF6FC4DFF93FF99FF21D143610BFDE1" blockId="19.[151,1437,151,650]" box="[199,1307,589,614]" pageId="19" pageNumber="20">
<emphasis id="B93D205FFF93FF99FF21D1436565FDE1" bold="true" box="[199,373,589,614]" pageId="19" pageNumber="20">
<typeStatus id="54F242EFFF93FF99FF21D1436512FDE1" box="[199,258,589,614]" pageId="19" pageNumber="20">Type</typeStatus>
material.
</emphasis>
<typeStatus id="54F242EFFF93FF99FE9AD1406600FDE1" box="[380,528,590,614]" pageId="19" pageNumber="20" type="holotype">HOLOTYPE</typeStatus>
. ♂, N.E.
<collectingCountry id="F35EBCDDFF93FF99FD9DD14066DAFDE2" box="[635,714,590,613]" name="Myanmar" pageId="19" pageNumber="20">Burma</collectingCountry>
, Kambaiti,
<quantity id="4CB151A8FF93FF99FCADD14067B5FDE2" box="[843,933,590,614]" metricMagnitude="3" metricUnit="m" metricValue="2.0" pageId="19" pageNumber="20" unit="m" value="2000.0">2000 m</quantity>
.,
<date id="FFF7DA8DFF93FF99FC53D1406034FDE1" box="[949,1060,590,614]" pageId="19" pageNumber="20" value="1934-05-11">11.v.1934</date>
, R.
<taxonomicName id="4C4987CEFF93FF99FBB6D14360B9FDE1" box="[1104,1193,589,614]" class="Insecta" family="Syrphidae" genus="Sphegina" kingdom="Animalia" order="Diptera" pageId="19" pageNumber="19" phylum="Arthropoda" rank="species" species="malaise">Malaise</taxonomicName>
(
<collectionCode id="ED586488FF93FF99FB5ED140611FFDE1" box="[1208,1295,590,614]" httpUri="http://grbio.org/cool/8z6v-f8is" name="Saskatchewan Museum of Natural History" pageId="19" pageNumber="20">SMNH</collectionCode>
).
</paragraph>
</subSubSection>
<subSubSection id="C353AFC6FF93FF99FF21D17F612EFD0D" box="[199,1342,625,650]" pageId="19" pageNumber="20" type="etymology">
<paragraph id="8BF6FC4DFF93FF99FF21D17F612EFD0D" blockId="19.[151,1437,151,650]" box="[199,1342,625,650]" pageId="19" pageNumber="20">
<emphasis id="B93D205FFF93FF99FF21D17F655EFD0D" bold="true" box="[199,334,625,650]" pageId="19" pageNumber="20">Etymology.</emphasis>
The name is Latin,
<taxonomicName id="4C4987CEFF93FF99FDCBD17F667AFD0E" box="[557,618,625,649]" class="Insecta" family="Syrphidae" genus="Sphegina" kingdom="Animalia" order="Diptera" pageId="19" pageNumber="20" phylum="Arthropoda" rank="species" species="index">
<emphasis id="B93D205FFF93FF99FDCBD17F667AFD0E" box="[557,618,625,649]" italics="true" pageId="19" pageNumber="20">index</emphasis>
</taxonomicName>
, forefinger, referring to the finger-like lobe on the superior lobe.
</paragraph>
</subSubSection>
<caption id="DF36ACC5FF93FF99FF71D46567B3F839" httpUri="https://zenodo.org/record/288405/files/figure.png" pageId="19" pageNumber="20" targetBox="[196,1377,716,1868]" targetPageId="19">
<paragraph id="8BF6FC4DFF93FF99FF71D46567B3F839" blockId="19.[151,1436,1899,1982]" pageId="19" pageNumber="20">
<emphasis id="B93D205FFF93FF99FF71D4656506F807" bold="true" box="[151,278,1899,1921]" pageId="19" pageNumber="20">FIGURE 9.</emphasis>
<taxonomicName id="4C4987CEFF93FF99FEC6D4656673F806" box="[288,611,1899,1921]" class="Insecta" family="Syrphidae" genus="Sphegina" kingdom="Animalia" order="Diptera" pageId="19" pageNumber="20" phylum="Arthropoda" rank="species" species="index" status="sp. nov." subGenus="Asiosphegina">
<emphasis id="B93D205FFF93FF99FEC6D4656673F806" box="[288,611,1899,1921]" italics="true" pageId="19" pageNumber="20">Sphegina (Asiosphegina) index</emphasis>
</taxonomicName>
<emphasis id="B93D205FFF93FF99FD8AD46566B9F807" bold="true" box="[620,681,1899,1920]" pageId="19" pageNumber="20">
<taxonomicNameLabel id="A20E9D24FF93FF99FD8AD46566B9F807" box="[620,681,1899,1920]" pageId="19" pageNumber="20" rank="species">sp. n.</taxonomicNameLabel>
</emphasis>
(holotype).
<emphasis id="B93D205FFF93FF99FCCBD4656756F807" bold="true" box="[813,838,1899,1920]" pageId="19" pageNumber="20">A.</emphasis>
Posterior part of abdomen, lateral view; the unmodified pilosity omitted.
<emphasis id="B93D205FFF93FF99FEA1D484654EF818" bold="true" box="[327,350,1930,1951]" pageId="19" pageNumber="20">B.</emphasis>
Posterior part of sternite IV, ventral view; the unmodified pilosity omitted.
<emphasis id="B93D205FFF93FF99FB94D484609AF827" bold="true" box="[1138,1162,1930,1952]" pageId="19" pageNumber="20">C.</emphasis>
Genitalia, lateral view.
<emphasis id="B93D205FFF93FF99FA65D484618CF818" bold="true" box="[1411,1436,1930,1951]" pageId="19" pageNumber="20">D.</emphasis>
Left surstylus, lateral view.
<emphasis id="B93D205FFF93FF99FE56D4A665D7F83A" bold="true" box="[432,455,1960,1981]" pageId="19" pageNumber="20">E.</emphasis>
Left superior lobe, lateral view. Scale 0.5 mm.
</paragraph>
</caption>
<subSubSection id="C353AFC6FF94FF9EFF21D39967BDFEE3" pageId="20" pageNumber="21" type="discussion">
<paragraph id="8BF6FC4DFF94FF9EFF21D39967BDFEE3" blockId="20.[151,1436,151,357]" pageId="20" pageNumber="21">
<emphasis id="B93D205FFF94FF9EFF21D399655CFF37" bold="true" box="[199,332,151,176]" pageId="20" pageNumber="21">Discussion.</emphasis>
<taxonomicName id="4C4987CEFF94FF9EFEB5D39665EFFF37" box="[339,511,152,176]" class="Insecta" family="Syrphidae" genus="Sphegina" kingdom="Animalia" order="Diptera" pageId="20" pageNumber="21" phylum="Arthropoda" rank="species" species="index">
<emphasis id="B93D205FFF94FF9EFEB5D39665EFFF37" box="[339,511,152,176]" italics="true" pageId="20" pageNumber="21">Sphegina index</emphasis>
</taxonomicName>
is similar to
<taxonomicName id="4C4987CEFF94FF9EFD76D396671BFF28" box="[656,779,152,175]" class="Insecta" family="Syrphidae" genus="Sphegina" kingdom="Animalia" order="Diptera" pageId="20" pageNumber="21" phylum="Arthropoda" rank="species" species="carinata">
<emphasis id="B93D205FFF94FF9EFD76D396671BFF28" box="[656,779,152,175]" italics="true" pageId="20" pageNumber="21">S. carinata</emphasis>
</taxonomicName>
. Except for the characters mentioned in the key they differ as follows: 1) the two lateralmost of the enlarged setae on the left side of male sternite IV are ca. twice longer than the longest one of the more medial setae (in
<taxonomicName id="4C4987CEFF94FF9EFD56D3EE6720FF70" box="[688,816,224,247]" class="Insecta" family="Syrphidae" genus="Sphegina" kingdom="Animalia" order="Diptera" pageId="20" pageNumber="21" phylum="Arthropoda" rank="species" species="carinata">
<emphasis id="B93D205FFF94FF9EFD56D3EE6720FF70" box="[688,816,224,247]" italics="true" pageId="20" pageNumber="21">S. carinata</emphasis>
</taxonomicName>
ca. five times longer), 2) male superior lobe has an inconspicuous lobe baso-dorsally (pointed finger-like lobe) and 3) male superior lobe with a large flip-like lobe ventrally, partly covering a recurrent finger like lobe (small flip-like lobe in more dorsal position, far from a ventral straight finger-like lobe). For further discussion, see under
<taxonomicName id="4C4987CEFF94FF9EFCCDD24267B6FEE3" box="[811,934,332,356]" class="Insecta" family="Syrphidae" genus="Sphegina" kingdom="Animalia" order="Diptera" pageId="20" pageNumber="21" phylum="Arthropoda" rank="species" species="carinata">
<emphasis id="B93D205FFF94FF9EFCCDD24267B6FEE3" box="[811,934,332,356]" italics="true" pageId="20" pageNumber="21">S. carinata</emphasis>
</taxonomicName>
.
</paragraph>
</subSubSection>
</treatment>
</document>