241 lines
26 KiB
XML
241 lines
26 KiB
XML
<document id="500B16CBA0CE4202BBB850EDFECE6EDA" 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 & Mutin, Valeri A." docDate="2015" docId="03E04D5BFF98FF90FF71D53360E3FDE7" 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) trichaeta Hippa, Steenis & Mutin, 2015, sp. n." docType="treatment" docUuid="1E8EE191-ECDA-41AB-88E1-A555244C5ACD" docUuidSource="ZooBank" docVersion="7" lastPageNumber="27" 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="25" updateTime="1698577992032" updateUser="plazi">
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<mods:mods id="0AEB418D3D1051A7E0C8C4DA986B3022" xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:titleInfo id="B1732BA34A74C2B391C3F8C87B1F64BB">
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<mods:title id="40928163802A276F9BCA0160EC79276C">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:titleInfo>
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<mods:name id="1DAF3FDA3C9E2A1CDBB432AA5C973BEB" type="personal">
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<mods:roleTerm id="33DB66443514EF05074FE45D0958C70F">Author</mods:roleTerm>
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<mods:namePart id="65AAD826FFB114614611D46785C4901B">Hippa, Heikki</mods:namePart>
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<mods:roleTerm id="3815BE82966C8056D822E6EA9734EC5D">Author</mods:roleTerm>
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<mods:namePart id="0C48BA08623C95BD99CF239C6EDED57F">Steenis, Jeroen Van</mods:namePart>
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</mods:name>
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<mods:name id="430B0083F8583664B189335E11E22A86" type="personal">
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<mods:roleTerm id="24377154F28B02A384CFC671B90B52CE">Author</mods:roleTerm>
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</mods:role>
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<mods:namePart id="C168335C4B5A4AC75C25E87B8AE3D784">Mutin, Valeri A.</mods:namePart>
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<mods:typeOfResource id="A569BA6713D2A033FBBB8ED1CA943E5A">text</mods:typeOfResource>
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<mods:title id="42E2FF713FB8E9CA8A9C4E605D0F4CD9">Zootaxa</mods:title>
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<mods:part id="D6D700BB2C1C928AE3AE0A56A55DE53F">
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<mods:date id="D66C89AE7D020DB70284F6BE362EC49C">2015</mods:date>
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<mods:detail id="CF48677B4895C014FD1F49C16176E61D" type="volume">
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<mods:number id="2FA4376C14E23572E39767FC18475577">3954</mods:number>
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<mods:detail id="9ABB6447B6AF35836C82B0CC0B459ABB" type="issue">
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<mods:number id="8BA07412437F3440C5FD0F2796EAAD5E">1</mods:number>
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<mods:classification id="5F44E7EFFC79D275218A91836502416B">journal article</mods:classification>
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<mods:identifier id="29982662C3DA422B60B6B73E1AF2EB17" type="DOI">10.11646/zootaxa.3954.1.1</mods:identifier>
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<mods:identifier id="1052D90AE9C4873FDE99CF1B6CE2830B" type="ISSN">1175-5326</mods:identifier>
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<mods:identifier id="3942CF1221AE5709AF888FCBB56E5C7B" type="Zenodo-Dep">288397</mods:identifier>
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<mods:identifier id="629052F346953DE6D65A1ABCB059C3CD" type="ZooBank">AA3DB71F-AD9A-4205-889B-FB212E367A37</mods:identifier>
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<treatment id="03E04D5BFF98FF90FF71D53360E3FDE7" ID-DOI="http://doi.org/10.5281/zenodo.5692185" ID-GBIF-Taxon="127691273" ID-Zenodo-Dep="5692185" LSID="urn:lsid:zoobank.org:act:1E8EE191-ECDA-41AB-88E1-A555244C5ACD" httpUri="http://treatment.plazi.org/id/03E04D5BFF98FF90FF71D53360E3FDE7" lastPageId="26" lastPageNumber="27" pageId="24" pageNumber="25">
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<subSubSection id="C353AFC6FF98FF92FF71D5336531F9FE" pageId="24" pageNumber="25" type="nomenclature">
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<paragraph id="8BF6FC4DFF98FF92FF71D5336692F9DF" blockId="24.[151,642,1597,1657]" box="[151,642,1597,1624]" pageId="24" pageNumber="25">
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<heading id="D0BE4B21FF98FF92FF71D5336692F9DF" bold="true" box="[151,642,1597,1624]" fontSize="11" level="1" pageId="24" pageNumber="25" reason="1">
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<emphasis id="B93D205FFF98FF92FF71D5336692F9DF" bold="true" box="[151,642,1597,1624]" pageId="24" pageNumber="25">
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<taxonomicName id="4C4987CEFF98FF92FF71D5336629F9D0" ID-CoL="8F3ZW" box="[151,569,1597,1623]" class="Insecta" family="Syrphidae" genus="Sphegina" kingdom="Animalia" order="Diptera" pageId="24" pageNumber="25" phylum="Arthropoda" rank="species" species="trichaeta" status="sp. nov." subGenus="Asiosphegina">
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<emphasis id="B93D205FFF98FF92FF71D5336629F9D0" bold="true" box="[151,569,1597,1623]" italics="true" pageId="24" pageNumber="25">Sphegina (Asiosphegina) trichaeta</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="A20E9D24FF98FF92FDA6D5306692F9DF" box="[576,642,1598,1624]" pageId="24" pageNumber="25" rank="species">sp. n.</taxonomicNameLabel>
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</emphasis>
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</heading>
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</paragraph>
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<paragraph id="8BF6FC4DFF98FF92FF71D56E6531F9FE" blockId="24.[151,642,1597,1657]" box="[151,289,1632,1657]" pageId="24" pageNumber="25">
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<figureCitation id="1372E0C8FF98FF92FF71D56E64F7F9FE" box="[151,231,1632,1657]" captionStart="FIGURE 13" captionStartId="25.[151,250,1077,1099]" captionTargetBox="[208,1378,201,1047]" captionTargetId="figure@25.[201,1385,193,1056]" captionTargetPageId="25" captionText="FIGURE 13. Sphegina (Asiosphegina) trichaeta sp. n. (holotype). A. Posterior part of sternite IV, ventral view; the unmodified pilosity omitted. B. Genitalia, lateral view. C. Left surstylus, lateral view. D. Left superior lobe, lateral view. Scale 0.5 mm." httpUri="https://zenodo.org/record/288409/files/figure.png" pageId="24" pageNumber="25">Figs 13</figureCitation>
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A–D
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</paragraph>
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</subSubSection>
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<subSubSection id="C353AFC6FF98FF93FF71D5A66506F8D1" lastPageId="25" lastPageNumber="26" pageId="24" pageNumber="25" type="description">
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<paragraph id="8BF6FC4DFF98FF92FF71D5A66099F866" blockId="24.[151,1436,1704,2017]" pageId="24" pageNumber="25">
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<emphasis id="B93D205FFF98FF92FF71D5A664E2F946" bold="true" box="[151,242,1704,1729]" pageId="24" pageNumber="25">MALE.</emphasis>
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Body length
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<quantity id="4CB151A8FF98FF92FE6ED5A66601F947" box="[392,529,1704,1729]" metricMagnitude="-3" metricUnit="m" metricValue="8.0" metricValueMax="8.5" metricValueMin="7.5" pageId="24" pageNumber="25" unit="mm" value="8.0" valueMax="8.5" valueMin="7.5">7.5–8.5 mm</quantity>
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, wing length 6.5–7.0 mm.
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<emphasis id="B93D205FFF98FF92FCDAD5A66793F946" bold="true" box="[828,899,1704,1729]" pageId="24" pageNumber="25">Head.</emphasis>
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Face moderately concave and weakly projected antero-ventrally; frontal prominence weakly developed (similar to Fig. 1F). Width of vertex at anterior ocellus less than 1/4 of the width of head [1:4.5]; depth of occipital fossa ca. 1/4 of the width of an eye in dorsal view [1:3.7]. Width of face: width of head 1:4.5. Face black, pale pollinose, the pollinosity weaker ventrally than dorsally. Gena shiny black or brown. Frons dull black, lunula shiny brown, posteriorly from the frontal prominence with a narrow pale pollinose fascia, the pile erect, short, yellow or reddish; vertex dull black. Occiput dull black. Antenna brown; basoflagellomere paler than scapus and pedicellus, red baso-ventrally; arista pilose.
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<emphasis id="B93D205FFF98FF92FBB0D48E60A6F81E" bold="true" box="[1110,1206,1920,1945]" pageId="24" pageNumber="25">Thorax.</emphasis>
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Black, more or less densely pale pollinose, postalar callus brown; the pile of scutum short and adpressed, pale, posteriorly intermixed with some longer erect pile; scutellum short-trapezoidal, pile pale, with a pair of widely
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</paragraph>
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<caption id="DF36ACC5FF99FF93FF71D73B6168FBED" httpUri="https://zenodo.org/record/288409/files/figure.png" pageId="25" pageNumber="26" targetBox="[208,1378,201,1047]" targetPageId="25">
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<paragraph id="8BF6FC4DFF99FF93FF71D73B6168FBED" blockId="25.[151,1436,1077,1130]" pageId="25" pageNumber="26">
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<emphasis id="B93D205FFF99FF93FF71D73B650FFBCD" bold="true" box="[151,287,1077,1099]" pageId="25" pageNumber="26">FIGURE 13.</emphasis>
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<taxonomicName id="4C4987CEFF99FF93FEC2D73B6694FBCC" box="[292,644,1077,1099]" class="Insecta" family="Syrphidae" genus="Sphegina" kingdom="Animalia" order="Diptera" pageId="25" pageNumber="26" phylum="Arthropoda" rank="species" species="trichaeta" status="sp. nov." subGenus="Asiosphegina">
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<emphasis id="B93D205FFF99FF93FEC2D73B6694FBCC" box="[292,644,1077,1099]" italics="true" pageId="25" pageNumber="26">Sphegina (Asiosphegina) trichaeta</emphasis>
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</taxonomicName>
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<emphasis id="B93D205FFF99FF93FD6FD73B66D1FBCD" bold="true" box="[649,705,1077,1098]" pageId="25" pageNumber="26">
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<taxonomicNameLabel id="A20E9D24FF99FF93FD6FD73B66D1FBCD" box="[649,705,1077,1098]" pageId="25" pageNumber="26" rank="species">sp. n.</taxonomicNameLabel>
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</emphasis>
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(holotype).
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<emphasis id="B93D205FFF99FF93FCDBD73B6746FBCD" bold="true" box="[829,854,1077,1098]" pageId="25" pageNumber="26">A.</emphasis>
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Posterior part of sternite IV, ventral view; the unmodified pilosity omitted.
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<emphasis id="B93D205FFF99FF93FEA5D75A654AFBEE" bold="true" box="[323,346,1108,1129]" pageId="25" pageNumber="26">B.</emphasis>
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Genitalia, lateral view.
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<emphasis id="B93D205FFF99FF93FDAAD75A6674FBED" bold="true" box="[588,612,1108,1130]" pageId="25" pageNumber="26">C.</emphasis>
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Left surstylus, lateral view.
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<emphasis id="B93D205FFF99FF93FC62D75A678CFBEE" bold="true" box="[900,924,1108,1129]" pageId="25" pageNumber="26">D.</emphasis>
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Left superior lobe, lateral view. Scale 0.5 mm.
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</paragraph>
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</caption>
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<paragraph id="8BF6FC4DFF99FF93FF71D79F6506F8D1" blockId="25.[151,1437,1169,2022]" pageId="25" pageNumber="26">
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separated long usually pale setae at apical margin.
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<emphasis id="B93D205FFF99FF93FCEED79F675FFB2D" bold="true" box="[776,847,1169,1194]" pageId="25" pageNumber="26">Wing.</emphasis>
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Hyaline, stigma yellowish.
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<emphasis id="B93D205FFF99FF93FB40D79F60F5FB2D" bold="true" box="[1190,1253,1169,1194]" pageId="25" pageNumber="26">Legs.</emphasis>
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Proleg yellow, brownish on large part of femur, medially on tibia and on tarsomeres 4 and 5. Mesoleg with coxa and trochanter yellow; femur brown, the basal 1/6 and the apex yellow; tibia yellow with a more or less wide brownish annulus near the middle; tarsus yellow, tarsomeres 4 and 5 brown. Metaleg: coxa brown; trochanter simple, yellow; femur uniformly thickened on the basal part, black, yellow on basal 1/4, where with antero-ventral patch of very small black and yellow setulae near base; tibia with an apicoventral tooth, brown, yellow on basal 1/4 and on an annulus on the apical 1/2; tarsus black.
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<emphasis id="B93D205FFF99FF93FE11D6676663FA05" bold="true" box="[503,627,1385,1410]" pageId="25" pageNumber="26">Abdomen.</emphasis>
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Length ratio of tergites I, II,
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<date id="FFF7DA8DFF99FF93FC59D6646052FA06" box="[959,1090,1385,1410]" pageId="25" pageNumber="26">III and IV 1</date>
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:2.9:1.7:1.3. Colour of tergites black, anterior 1/3 of tergite III yellow, pile pale, short and adpressed, becoming longer laterally; tergite I at lateral margin with 2 strong black setae with 1 rather thin yellow seta in front; sternite IV (
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<figureCitation id="1372E0C8FF99FF93FBD0D6BF6094FA4E" box="[1078,1156,1457,1482]" captionStart="FIGURE 13" captionStartId="25.[151,250,1077,1099]" captionTargetBox="[208,1378,201,1047]" captionTargetId="figure@25.[201,1385,193,1056]" captionTargetPageId="25" captionText="FIGURE 13. Sphegina (Asiosphegina) trichaeta sp. n. (holotype). A. Posterior part of sternite IV, ventral view; the unmodified pilosity omitted. B. Genitalia, lateral view. C. Left surstylus, lateral view. D. Left superior lobe, lateral view. Scale 0.5 mm." httpUri="https://zenodo.org/record/288409/files/figure.png" pageId="25" pageNumber="26">Fig. 13</figureCitation>
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A) black, pile pale, a few longer erect individual hairs posteriorly, the strong setae and bristles black or dark brown; sternites VI and VII simple, black, the pile long, erect and pale; sternite VIII black, the pile rather short and pale, more dense anteriorly.
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<emphasis id="B93D205FFF99FF93FF71D513651CF9B1" bold="true" box="[151,268,1565,1590]" pageId="25" pageNumber="26">Genitalia,</emphasis>
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<figureCitation id="1372E0C8FF99FF93FEF2D5136578F9B1" box="[276,360,1565,1590]" captionStart="FIGURE 13" captionStartId="25.[151,250,1077,1099]" captionTargetBox="[208,1378,201,1047]" captionTargetId="figure@25.[201,1385,193,1056]" captionTargetPageId="25" captionText="FIGURE 13. Sphegina (Asiosphegina) trichaeta sp. n. (holotype). A. Posterior part of sternite IV, ventral view; the unmodified pilosity omitted. B. Genitalia, lateral view. C. Left surstylus, lateral view. D. Left superior lobe, lateral view. Scale 0.5 mm." httpUri="https://zenodo.org/record/288409/files/figure.png" pageId="25" pageNumber="26">Figs 13</figureCitation>
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B–D. Note the strongly asymmetrical surstyli, slightly asymmetrical superior lobes, the medial lobe at the base of the dorsal lobe of the left side surstylus and the long aedeagal lobe.
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<emphasis id="B93D205FFF99FF93FBB0D54F60C6F9DD" bold="true" box="[1110,1238,1601,1626]" pageId="25" pageNumber="26">FEMALE.</emphasis>
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Body length
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<quantity id="4CB151A8FF99FF93FA8DD54F64E2F9FA" metricMagnitude="-3" metricUnit="m" metricValue="7.4" metricValueMax="8.1" metricValueMin="6.7" pageId="25" pageNumber="26" unit="mm" value="7.4" valueMax="8.1" valueMin="6.7">6.7– 8.1 mm</quantity>
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, wing length 5.4–7.0 mm. Similar to male except for the normal sexual dimorphism. Abdomen mainly black except dorsally indistinct reddish-brown anterior macula on tergite III, and tergite V entirely orange-brown; length ratio of tergites I, II,
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<date id="FFF7DA8DFF99FF93FE2CD5A06659F941" box="[458,585,1709,1734]" pageId="25" pageNumber="26">III and IV 1</date>
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:2.6:2.3:1.9; tergite I with 2 clearly separated strong black setae on posterior 1/2 laterally; ratio of length:width of tergites
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<date id="FFF7DA8DFF99FF93FD72D5DC6708F96E" box="[660,792,1745,1770]" pageId="25" pageNumber="26">III and IV 1</date>
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:1.1 and 1:1.3; tergite V elongate with medial transversal groove, with long pale erect pile; sternite IV trapezoid, about 2 times as long as broad, with arcuate posterior margin, brown, pile short, pale; sternite V semirectangular, rounded posteriorly, with very long pale pile posteriorly.
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</paragraph>
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</subSubSection>
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<subSubSection id="C353AFC6FF99FF93FF21D46F67F3F861" pageId="25" pageNumber="26" type="materials_examined">
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<paragraph id="8BF6FC4DFF99FF93FF21D46F67F3F861" blockId="25.[151,1437,1169,2022]" pageId="25" pageNumber="26">
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||
<emphasis id="B93D205FFF99FF93FF21D46F6591F8FD" bold="true" box="[199,385,1889,1914]" pageId="25" pageNumber="26">
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<typeStatus id="54F242EFFF99FF93FF21D46F6512F8FD" box="[199,258,1889,1914]" pageId="25" pageNumber="26">Type</typeStatus>
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material.
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</emphasis>
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<typeStatus id="54F242EFFF99FF93FE72D46F6638F8FE" box="[404,552,1889,1913]" pageId="25" pageNumber="26" type="holotype">HOLOTYPE</typeStatus>
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. ♂, N.E.
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<collectingCountry id="F35EBCDDFF99FF93FD5FD46C6718F8FE" box="[697,776,1890,1913]" name="Myanmar" pageId="25" pageNumber="26">Burma</collectingCountry>
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, Kambaiti,
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<quantity id="4CB151A8FF99FF93FC45D46F6014F8FD" box="[931,1028,1889,1914]" metricMagnitude="3" metricUnit="m" metricValue="2.1336" pageId="25" pageNumber="26" unit="ft" value="7000.0">7000 ft</quantity>
|
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.,
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<date id="FFF7DA8DFF99FF93FBC7D46F6091F8FE" box="[1057,1153,1889,1913]" pageId="25" pageNumber="26" value="1934-05-07">7.v.1934</date>
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R.
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<taxonomicName id="4C4987CEFF99FF93FB24D46F610BF8FD" box="[1218,1307,1889,1914]" class="Insecta" family="Syrphidae" genus="Sphegina" kingdom="Animalia" order="Diptera" pageId="25" pageNumber="19" phylum="Arthropoda" rank="species" species="malaise">Malaise</taxonomicName>
|
||
(
|
||
<collectionCode id="ED586488FF99FF93FAD0D46F6180F8FE" box="[1334,1424,1889,1913]" pageId="25" pageNumber="26">BMNH</collectionCode>
|
||
).
|
||
<typeStatus id="54F242EFFF99FF93FF71D488653FF819" box="[151,303,1926,1950]" pageId="25" pageNumber="26" type="paratype">PARATYPES</typeStatus>
|
||
. 2♀ with same data (
|
||
<collectionCode id="ED586488FF99FF93FDCED4886690F819" box="[552,640,1926,1950]" pageId="25" pageNumber="26">BMNH</collectionCode>
|
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,
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<collectionCode id="ED586488FF99FF93FD68D48866DCF819" box="[654,716,1926,1950]" pageId="25" pageNumber="26">NBC</collectionCode>
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||
);
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<specimenCount id="9D4F37C4FF99FF93FD07D4886714F81A" box="[737,772,1926,1950]" pageId="25" pageNumber="26" type="generic">1♂</specimenCount>
|
||
with same data except
|
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<date id="FFF7DA8DFF99FF93FBF4D4886059F819" box="[1042,1097,1926,1950]" pageId="25" pageNumber="26">23.v.</date>
|
||
(
|
||
<collectionCode id="ED586488FF99FF93FBBFD48860A0F819" box="[1113,1200,1926,1950]" httpUri="http://grbio.org/cool/8z6v-f8is" name="Saskatchewan Museum of Natural History" pageId="25" pageNumber="26">SMNH</collectionCode>
|
||
);
|
||
<specimenCount id="9D4F37C4FF99FF93FB23D48860F8F81A" box="[1221,1256,1926,1950]" pageId="25" pageNumber="26" type="generic">1♂</specimenCount>
|
||
with same data except
|
||
<date id="FFF7DA8DFF99FF93FF01D4A7650EF846" box="[231,286,1961,1985]" pageId="25" pageNumber="26">14.v.</date>
|
||
(
|
||
<collectionCode id="ED586488FF99FF93FECBD4A76594F846" box="[301,388,1961,1985]" httpUri="http://grbio.org/cool/8z6v-f8is" name="Saskatchewan Museum of Natural History" pageId="25" pageNumber="26">SMNH</collectionCode>
|
||
); 3♀ with same data except
|
||
<quantity id="4CB151A8FF99FF93FD22D4A7670CF846" box="[708,796,1961,1985]" metricMagnitude="3" metricUnit="m" metricValue="2.0" pageId="25" pageNumber="26" unit="m" value="2000.0">2000 m</quantity>
|
||
,
|
||
<date id="FFF7DA8DFF99FF93FCCFD4A7674AF845" box="[809,858,1961,1986]" pageId="25" pageNumber="26">4.vi.</date>
|
||
(
|
||
<collectionCode id="ED586488FF99FF93FC8CD4A767AFF846" box="[874,959,1961,1985]" httpUri="http://grbio.org/cool/8z6v-f8is" name="Saskatchewan Museum of Natural History" pageId="25" pageNumber="26">SMNH</collectionCode>
|
||
,
|
||
<collectionCode id="ED586488FF99FF93FC2DD4A76019F846" box="[971,1033,1961,1985]" pageId="25" pageNumber="26">NBC</collectionCode>
|
||
);
|
||
<specimenCount id="9D4F37C4FF99FF93FBFBD4A76050F846" box="[1053,1088,1961,1985]" pageId="25" pageNumber="26" type="generic">1♂</specimenCount>
|
||
and 1♀ with same data except
|
||
<date id="FFF7DA8DFF99FF93FF71D4C364C5F861" box="[151,213,1997,2022]" pageId="25" pageNumber="26">11.vi.</date>
|
||
(
|
||
<collectionCode id="ED586488FF99FF93FF02D4C06529F861" box="[228,313,1998,2022]" httpUri="http://grbio.org/cool/8z6v-f8is" name="Saskatchewan Museum of Natural History" pageId="25" pageNumber="26">SMNH</collectionCode>
|
||
,
|
||
<collectionCode id="ED586488FF99FF93FEA3D4C06593F861" box="[325,387,1998,2022]" pageId="25" pageNumber="26">NBC</collectionCode>
|
||
);
|
||
<specimenCount id="9D4F37C4FF99FF93FE70D4C065A9F862" box="[406,441,1998,2022]" pageId="25" pageNumber="26" type="generic">2♂</specimenCount>
|
||
with same data except
|
||
<date id="FFF7DA8DFF99FF93FD59D4C3673AF861" box="[703,810,1997,2022]" pageId="25" pageNumber="26" value="2012-06-17">12–17.vi.</date>
|
||
(
|
||
<collectionCode id="ED586488FF99FF93FCDED4C0679DF861" box="[824,909,1998,2022]" httpUri="http://grbio.org/cool/8z6v-f8is" name="Saskatchewan Museum of Natural History" pageId="25" pageNumber="26">SMNH</collectionCode>
|
||
,
|
||
<collectionCode id="ED586488FF99FF93FC7ED4C067C6F861" box="[920,982,1998,2022]" pageId="25" pageNumber="26">NBC</collectionCode>
|
||
).
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C353AFC6FF9AFF90FF21D39966FCFF53" pageId="26" pageNumber="27" type="etymology">
|
||
<paragraph id="8BF6FC4DFF9AFF90FF21D39966FCFF53" blockId="26.[151,1436,151,608]" pageId="26" pageNumber="27">
|
||
<emphasis id="B93D205FFF9AFF90FF21D399655EFF37" bold="true" box="[199,334,151,176]" pageId="26" pageNumber="27">Etymology.</emphasis>
|
||
The name is composed of, and Latinized, from the Greek words
|
||
<emphasis id="B93D205FFF9AFF90FBB2D3966095FF28" box="[1108,1157,152,175]" italics="true" pageId="26" pageNumber="27">treis</emphasis>
|
||
, three, and
|
||
<emphasis id="B93D205FFF9AFF90FAF5D3966147FF37" box="[1299,1367,152,176]" italics="true" pageId="26" pageNumber="27">chaite</emphasis>
|
||
, seta, referring to the three strong setae on male sternite IV.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C353AFC6FF9AFF90FF21D3D160E3FDE7" pageId="26" pageNumber="27" type="discussion">
|
||
<paragraph id="8BF6FC4DFF9AFF90FF21D3D160E3FDE7" blockId="26.[151,1436,151,608]" pageId="26" pageNumber="27">
|
||
<emphasis id="B93D205FFF9AFF90FF21D3D1655CFF7F" bold="true" box="[199,332,223,248]" pageId="26" pageNumber="27">Discussion.</emphasis>
|
||
<taxonomicName id="4C4987CEFF9AFF90FEB3D3EE663BFF7F" box="[341,555,224,248]" class="Insecta" family="Syrphidae" genus="Sphegina" kingdom="Animalia" order="Diptera" pageId="26" pageNumber="27" phylum="Arthropoda" rank="species" species="trichaeta">
|
||
<emphasis id="B93D205FFF9AFF90FEB3D3EE663BFF7F" box="[341,555,224,248]" italics="true" pageId="26" pageNumber="27">Sphegina trichaeta</emphasis>
|
||
</taxonomicName>
|
||
belongs to a group of species in which the male tergite IV posteriorly bears strong spinose setae in an asymmetrical pattern and which have the left side dorsal lobe of surstylus broader that the right side one (see also under
|
||
<taxonomicName id="4C4987CEFF9AFF90FDFED22666A5FEB8" box="[536,693,296,319]" class="Insecta" family="Syrphidae" genus="Sphegina" kingdom="Animalia" order="Diptera" pageId="26" pageNumber="27" phylum="Arthropoda" rank="species" species="crassispina">
|
||
<emphasis id="B93D205FFF9AFF90FDFED22666A5FEB8" box="[536,693,296,319]" italics="true" pageId="26" pageNumber="27">S. crassispina</emphasis>
|
||
</taxonomicName>
|
||
above). The other similar species in this respect are
|
||
<taxonomicName id="4C4987CEFF9AFF90FAE9D2266168FEC7" box="[1295,1400,296,320]" class="Insecta" family="Syrphidae" genus="Sphegina" kingdom="Animalia" order="Diptera" pageId="26" pageNumber="27" phylum="Arthropoda" rank="species" species="radula">
|
||
<emphasis id="B93D205FFF9AFF90FAE9D2266168FEC7" box="[1295,1400,296,320]" italics="true" pageId="26" pageNumber="27">S. radula</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C4987CEFF9AFF90FA61D226651FFEE3" class="Insecta" family="Syrphidae" genus="Sphegina" kingdom="Animalia" order="Diptera" pageId="26" pageNumber="27" phylum="Arthropoda" rank="species" species="raduloides">
|
||
<emphasis id="B93D205FFF9AFF90FA61D226651FFEE3" italics="true" pageId="26" pageNumber="27">S. raduloides</emphasis>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="4C4987CEFF9AFF90FEA0D24265C5FEE3" box="[326,469,332,356]" class="Insecta" family="Syrphidae" genus="Sphegina" kingdom="Animalia" order="Diptera" pageId="26" pageNumber="27" phylum="Arthropoda" rank="species" species="subradula">
|
||
<emphasis id="B93D205FFF9AFF90FEA0D24265C5FEE3" box="[326,469,332,356]" italics="true" pageId="26" pageNumber="27">S. subradula</emphasis>
|
||
</taxonomicName>
|
||
. In addition to the characters mentioned in the key,
|
||
<taxonomicName id="4C4987CEFF9AFF90FBC4D24260B3FEE3" box="[1058,1187,332,356]" class="Insecta" family="Syrphidae" genus="Sphegina" kingdom="Animalia" order="Diptera" pageId="26" pageNumber="27" phylum="Arthropoda" rank="species" species="trichaeta">
|
||
<emphasis id="B93D205FFF9AFF90FBC4D24260B3FEE3" box="[1058,1187,332,356]" italics="true" pageId="26" pageNumber="27">S. trichaeta</emphasis>
|
||
</taxonomicName>
|
||
differs from the three latter e.g. by male sternite IV which has a group of three long setae on the left side, about half the width of the sternite and greatly deviating from the other setae, the others have two or three short setae, one fifth of the width of sternite or shorter and not greatly deviating from the other setae. Also the male genitalia of all the four species are very similar.
|
||
<taxonomicName id="4C4987CEFF9AFF90FECBD2D265A0FE73" box="[301,432,476,500]" class="Insecta" family="Syrphidae" genus="Sphegina" kingdom="Animalia" order="Diptera" pageId="26" pageNumber="27" phylum="Arthropoda" rank="species" species="trichaeta">
|
||
<emphasis id="B93D205FFF9AFF90FECBD2D265A0FE73" box="[301,432,476,500]" italics="true" pageId="26" pageNumber="27">S. trichaeta</emphasis>
|
||
</taxonomicName>
|
||
is distinguished from
|
||
<taxonomicName id="4C4987CEFF9AFF90FD54D2D26752FE73" box="[690,834,476,500]" class="Insecta" family="Syrphidae" genus="Sphegina" kingdom="Animalia" order="Diptera" pageId="26" pageNumber="27" phylum="Arthropoda" rank="species" species="subradula">
|
||
<emphasis id="B93D205FFF9AFF90FD54D2D26752FE73" box="[690,834,476,500]" italics="true" pageId="26" pageNumber="27">S. subradula</emphasis>
|
||
</taxonomicName>
|
||
e.g. by a much narrower dorsal lobe on the left side surstylus, from
|
||
<taxonomicName id="4C4987CEFF9AFF90FEA0D10E65BDFD9F" box="[326,429,512,536]" class="Insecta" family="Syrphidae" genus="Sphegina" kingdom="Animalia" order="Diptera" pageId="26" pageNumber="27" phylum="Arthropoda" rank="species" species="radula">
|
||
<emphasis id="B93D205FFF9AFF90FEA0D10E65BDFD9F" box="[326,429,512,536]" italics="true" pageId="26" pageNumber="27">S. radula</emphasis>
|
||
</taxonomicName>
|
||
by having the ventral margin of the superior lobe straight (not with an angulate lobe) and by having a much larger aedeagal lobe and from
|
||
<taxonomicName id="4C4987CEFF9AFF90FD5AD12A6740FDBB" box="[700,848,548,572]" class="Insecta" family="Syrphidae" genus="Sphegina" kingdom="Animalia" order="Diptera" pageId="26" pageNumber="27" phylum="Arthropoda" rank="species" species="raduloides">
|
||
<emphasis id="B93D205FFF9AFF90FD5AD12A6740FDBB" box="[700,848,548,572]" italics="true" pageId="26" pageNumber="27">S. raduloides</emphasis>
|
||
</taxonomicName>
|
||
by having the dorsal margin of the left side superior lobe smoothly curved, not angulate, and by having posteriorly one-lobed, not bilobed superior lobe.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |