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<document id="86A54B7562A7F2BAFA8E07F00CDB1041" ID-ISSN="1175­5334" IM.materialsCitations_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" checkinTime="1625624287261" checkinUser="felipe" docAuthor="Published, First" docDate="2007" docId="03CE87EB4957073CFF36FE72FAFCD985" docLanguage="en" docName="zt01404p066.pdf" docOrigin="Zootaxa 1404" docStyle="DocumentStyle:C4791ACFF01C5C140D2C1A203DB3C9B0.4:Zootaxa.2007-2008.monograph" docStyleId="C4791ACFF01C5C140D2C1A203DB3C9B0" docStyleName="Zootaxa.2007-2008.monograph" docStyleVersion="4" docTitle="Ploegia occulata Published 2007, n. sp." docType="treatment" docVersion="3" lastPageNumber="38" masterDocId="FFF7FF9349730719FFA1FF88FFC8DE5F" masterDocTitle="Chironomid midges from early Eocene amber of France (Diptera: Chironomidae)" masterLastPageNumber="66" masterPageNumber="1" pageNumber="37" updateTime="1698992602245" updateUser="plazi" zenodo-license-document="CLOSED">
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<mods:title id="D532C911F62CEEAC6D7D410158E7338D">Chironomid midges from early Eocene amber of France (Diptera: Chironomidae)</mods:title>
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<mods:part id="370F279751BE8E54018BD43F3D463C91">
<mods:date id="F4A55EAAAC08753DD56010D6270EEA69">2007</mods:date>
<mods:detail id="842632AA0980B89259080744D3FB6E0E" type="pubDate">
<mods:number id="8A79EB5623CCC0434112645E7AF138E8">2007-02-05</mods:number>
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<treatment id="03CE87EB4957073CFF36FE72FAFCD985" ID-DOI="http://doi.org/10.5281/zenodo.5076797" ID-Zenodo-Dep="5076797" LSID="urn:lsid:plazi:treatment:03CE87EB4957073CFF36FE72FAFCD985" httpUri="http://treatment.plazi.org/id/03CE87EB4957073CFF36FE72FAFCD985" lastPageId="37" lastPageNumber="38" pageId="36" pageNumber="37">
<subSubSection id="C37D65764957073DFF36FE72FE61DC4B" box="[151,425,506,532]" pageId="36" pageNumber="37" type="nomenclature">
<paragraph id="8BD836FD4957073DFF36FE72FE61DC4B" blockId="36.[151,425,506,567]" box="[151,425,506,532]" pageId="36" pageNumber="37">
<heading id="D09081914957073DFF36FE72FE61DC4B" bold="true" box="[151,425,506,532]" fontSize="11" level="1" pageId="36" pageNumber="37" reason="1">
<emphasis id="B913EAEF4957073DFF36FE72FE61DC4B" bold="true" box="[151,425,506,532]" pageId="36" pageNumber="37">
<taxonomicName id="4C674D7E4957073DFF36FE72FE97DC4B" ID-CoL="8DFNT" authority="Published, 2007" authorityName="Published" authorityYear="2007" box="[151,351,506,532]" class="Insecta" family="Chironomidae" genus="Ploegia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Diptera" pageId="36" pageNumber="37" phylum="Arthropoda" rank="species" species="occulata" status="sp. nov.">
<emphasis id="B913EAEF4957073DFF36FE72FE97DC4B" bold="true" box="[151,351,506,532]" italics="true" pageId="36" pageNumber="37">Ploegia occulata</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A22057944957073DFEC6FE72FE61DC4B" box="[359,425,506,532]" pageId="36" pageNumber="37" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
</heading>
</paragraph>
</subSubSection>
<subSubSection id="C37D65764957073DFF36FD95FEFDDC68" box="[151,309,541,567]" pageId="36" pageNumber="37" type="description">
<paragraph id="8BD836FD4957073DFF36FD95FEFDDC68" blockId="36.[151,425,506,567]" box="[151,309,541,567]" pageId="36" pageNumber="37">
(
<figureCitation id="135C2A784957073DFF3EFD95FEC9DC68" box="[159,257,541,567]" captionStart="FIGURE 34" captionStartId="37.[151,255,1952,1976]" captionTargetBox="[230,1346,204,1896]" captionTargetId="figure-47@37.[220,1368,194,1928]" captionTargetPageId="37" captionText="FIGURE 34. Ploegia occulata n. sp., holotype PA 132 (3/12), photograph of habitus." pageId="36" pageNumber="37">Figs. 34</figureCitation>
, 35)
</paragraph>
</subSubSection>
<subSubSection id="C37D65764957073DFF36FDE5FB1EDCD8" box="[151,1238,621,647]" pageId="36" pageNumber="37" type="etymology">
<paragraph id="8BD836FD4957073DFF36FDE5FB1EDCD8" blockId="36.[151,1437,621,1933]" box="[151,1238,621,647]" pageId="36" pageNumber="37">
<emphasis id="B913EAEF4957073DFF36FDE5FEEFDCD8" bold="true" box="[151,295,621,647]" pageId="36" pageNumber="37">Etymology:</emphasis>
This species is named to note the eyes without a distinct dorsomedial extension.
</paragraph>
</subSubSection>
<subSubSection id="C37D65764957073DFF67FD1DFD78DCF0" box="[198,688,661,687]" pageId="36" pageNumber="37" type="diagnosis">
<paragraph id="8BD836FD4957073DFF67FD1DFD78DCF0" blockId="36.[151,1437,621,1933]" box="[198,688,661,687]" pageId="36" pageNumber="37">
<emphasis id="B913EAEF4957073DFF67FD1DFE80DCF0" bold="true" box="[198,328,661,687]" pageId="36" pageNumber="37">Diagnosis:</emphasis>
As stated above for the genus.
</paragraph>
</subSubSection>
<subSubSection id="C37D65764957073DFF67FD35FCEEDB02" pageId="36" pageNumber="37" type="description">
<paragraph id="8BD836FD4957073DFF67FD35FCEEDB02" blockId="36.[151,1437,621,1933]" pageId="36" pageNumber="37">
<emphasis id="B913EAEF4957073DFF67FD35FEA8DC88" bold="true" box="[198,352,701,727]" pageId="36" pageNumber="37">Description:</emphasis>
Head
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long, deformed; ocelli absent; antenna
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long, much longer than head, distinctly hairy (shortest setae
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long, longest
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long), pedicel broad and short, rounded; apex of terminal flagellomere rounded, without apical nipple, but with apical rosette of setae; eye bare, without dorsomedial extension; mouthparts lacking functional mandibles; 5 palpomeres with setae; frontal, postocular, inner and outer vertical setae absent. Thorax more than
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long,
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wide,
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high; postnotum bare, with longitudinal median groove; surface of scutellum with 4 long setae in 1 row; scutal tubercle not visible; acrostichals absent, dorsocentrals uniserial; scutum with median longitudinal groove; 2 prealar setae, no supraalar setae; epimeron II and preepisternum bare. Wing macropterous,
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long,
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wide, hyaline, membrane bare; anal vein An
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absent; radius with 3 branches R
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, R
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and R
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, R
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not divided into R
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and R
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; only M
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and M
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present; cross­vein MCu absent; squama bare. Halter
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long. Fore tibia
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long, tarsus
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long; mid femur
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long, tibia
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long, tarsus
<quantity id="4C9F9B184957073DFBD8FBDBFB29DA32" box="[1145,1249,1107,1133]" metricMagnitude="-4" metricUnit="m" metricValue="2.8" pageId="36" pageNumber="37" unit="mm" value="0.28">0.28 mm</quantity>
long; hind tibia
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long, tarsus
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long; ta4 of all legs cylindrical, not cordiform; fore tibia with 1 long spur, mid and hind tibiae with 2 long spurs, hind tibial comb well developed. Abdomen
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long,
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wide; gonostylus
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long,
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wide, simple, elongate, with strong subapical megasetae, inner surface covered by numerous short setae, hinged to gonocoxite and folded inward; gonocoxite
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long,
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wide, without visible setae on outer surface; inferior volsella subtriangular with setae apically; anal point narrow and short,
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long,
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wide at base.
</paragraph>
</subSubSection>
<subSubSection id="C37D65764957073DFF67FAE2FEA9D962" pageId="36" pageNumber="37" type="discussion">
<paragraph id="8BD836FD4957073DFF67FAE2FEA9D962" blockId="36.[151,1437,621,1933]" pageId="36" pageNumber="37">
<emphasis id="B913EAEF4957073DFF67FAE2FE9BDBDB" bold="true" box="[198,339,1386,1412]" pageId="36" pageNumber="37">Discussion:</emphasis>
Placement of this fossil in the
<taxonomicName id="4C674D7E4957073DFD65FAE3FCBADBDA" authorityName="Edwards" authorityYear="1929" box="[708,882,1387,1413]" class="Insecta" family="Chironomidae" kingdom="Animalia" order="Diptera" pageId="36" pageNumber="37" phylum="Arthropoda" rank="subFamily" subFamily="Orthocladiinae">Orthocladiinae</taxonomicName>
is supported by the characters stated above. In the key to the Holarctic orthocladiine genera of Cranston
<emphasis id="B913EAEF4957073DFCF0FA1BFC4FDBF3" box="[849,903,1427,1452]" italics="true" pageId="36" pageNumber="37">et al</emphasis>
. (1989),
<taxonomicName id="4C674D7E4957073DFC56FA1BFB9ADBF3" authority="Published, 2007" authorityName="Published" authorityYear="2007" box="[1015,1106,1427,1452]" class="Insecta" family="Chironomidae" genus="Ploegia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Diptera" pageId="36" pageNumber="37" phylum="Arthropoda" rank="genus" status="gen. nov.">
<emphasis id="B913EAEF4957073DFC56FA1BFB9ADBF3" box="[1015,1106,1427,1452]" italics="true" pageId="36" pageNumber="37">Ploegia</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A22057944957073DFBFDFA1BFB66DBF2" box="[1116,1198,1427,1453]" pageId="36" pageNumber="37" rank="genus">n. gen.</taxonomicNameLabel>
would fall near the recent genus
<taxonomicName id="4C674D7E4957073DFE9AFA33FE39DB8B" authorityName="Loew" authorityYear="1864" box="[315,497,1467,1492]" class="Insecta" family="Chironomidae" genus="Chasmatonotus" kingdom="Animalia" order="Diptera" pageId="36" pageNumber="37" phylum="Arthropoda" rank="genus">
<emphasis id="B913EAEF4957073DFE9AFA33FE39DB8B" box="[315,497,1467,1492]" italics="true" pageId="36" pageNumber="37">Chasmatonotus</emphasis>
</taxonomicName>
. But
<taxonomicName id="4C674D7E4957073DFD9AFA33FD39DB8B" authorityName="Loew" authorityYear="1864" box="[571,753,1467,1492]" class="Insecta" family="Chironomidae" genus="Chasmatonotus" kingdom="Animalia" order="Diptera" pageId="36" pageNumber="37" phylum="Arthropoda" rank="genus">
<emphasis id="B913EAEF4957073DFD9AFA33FD39DB8B" box="[571,753,1467,1492]" italics="true" pageId="36" pageNumber="37">Chasmatonotus</emphasis>
</taxonomicName>
differs from
<taxonomicName id="4C674D7E4957073DFC3BFA33FC3DDB8B" authorityName="Published" authorityYear="2007" box="[922,1013,1467,1492]" class="Insecta" family="Chironomidae" genus="Ploegia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Diptera" pageId="36" pageNumber="37" phylum="Arthropoda" rank="genus">
<emphasis id="B913EAEF4957073DFC3BFA33FC3DDB8B" box="[922,1013,1467,1492]" italics="true" pageId="36" pageNumber="37">Ploegia</emphasis>
</taxonomicName>
by the following characters: male antenna short, plume reduced with only five flagellomeres; anepipreepisternals present; anal lobe strongly obtuse; squama without setae (but sometimes up to 5 setae present); pseudospurs present on tarsomeres 1 and 2 of mid and hind legs; and anal point prominent, short and with short fine setae. All these characters are absent or different in
<taxonomicName id="4C674D7E4957073DFE3DF9D3FE3FD82B" authorityName="Published" authorityYear="2007" box="[412,503,1627,1652]" class="Insecta" family="Chironomidae" genus="Ploegia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Diptera" pageId="36" pageNumber="37" phylum="Arthropoda" rank="genus">
<emphasis id="B913EAEF4957073DFE3DF9D3FE3FD82B" box="[412,503,1627,1652]" italics="true" pageId="36" pageNumber="37">Ploegia</emphasis>
</taxonomicName>
.
<taxonomicName id="4C674D7E4957073DFDA9F9D3FD3AD82B" authorityName="Published" authorityYear="2007" box="[520,754,1627,1652]" class="Insecta" family="Chironomidae" genus="Parachasmatonotus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Diptera" pageId="36" pageNumber="37" phylum="Arthropoda" rank="genus">
<emphasis id="B913EAEF4957073DFDA9F9D3FD3AD82B" box="[520,754,1627,1652]" italics="true" pageId="36" pageNumber="37">Parachasmatonotus</emphasis>
</taxonomicName>
differs from
<taxonomicName id="4C674D7E4957073DFC35F9D3FC27D82B" authorityName="Published" authorityYear="2007" box="[916,1007,1627,1652]" class="Insecta" family="Chironomidae" genus="Ploegia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Diptera" pageId="36" pageNumber="37" phylum="Arthropoda" rank="genus">
<emphasis id="B913EAEF4957073DFC35F9D3FC27D82B" box="[916,1007,1627,1652]" italics="true" pageId="36" pageNumber="37">Ploegia</emphasis>
</taxonomicName>
by the following characters: dorsocentrals uniserial and biserial, gonostylus short and robust; and anal point narrow and elongate. The presence of setae on the wing membrane, a dorsomedian extension of the eye, and the bifurcate gonostylus in the genus
<taxonomicName id="4C674D7E4957073DFF36F95BFE55D8B3" authorityName="Published" authorityYear="2007" box="[151,413,1747,1772]" class="Insecta" family="Chironomidae" genus="Pseudochasmatonotus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Diptera" pageId="36" pageNumber="37" phylum="Arthropoda" rank="genus">
<emphasis id="B913EAEF4957073DFF36F95BFE55D8B3" box="[151,413,1747,1772]" italics="true" pageId="36" pageNumber="37">Pseudochasmatonotus</emphasis>
</taxonomicName>
exclude affinities with our fossils. The eye with a dorsomedial extension and an anal point narrow and elongate in
<taxonomicName id="4C674D7E4957073DFE54F973FD07D94B" authorityName="Published" authorityYear="2007" box="[501,719,1787,1812]" class="Insecta" family="Chironomidae" genus="Chasmatonotoides" higherTaxonomySource="GBIF" kingdom="Animalia" order="Diptera" pageId="36" pageNumber="37" phylum="Arthropoda" rank="genus">
<emphasis id="B913EAEF4957073DFE54F973FD07D94B" box="[501,719,1787,1812]" italics="true" pageId="36" pageNumber="37">Chasmatonotoides</emphasis>
</taxonomicName>
exclude affinities with
<taxonomicName id="4C674D7E4957073DFC48F973FB8CD94B" authorityName="Published" authorityYear="2007" box="[1001,1092,1787,1812]" class="Insecta" family="Chironomidae" genus="Ploegia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Diptera" pageId="36" pageNumber="37" phylum="Arthropoda" rank="genus">
<emphasis id="B913EAEF4957073DFC48F973FB8CD94B" box="[1001,1092,1787,1812]" italics="true" pageId="36" pageNumber="37">Ploegia</emphasis>
</taxonomicName>
. For these reasons we establish a new genus.
</paragraph>
</subSubSection>
<subSubSection id="C37D65764957073CFF67F8C2FAFCD985" lastPageId="37" lastPageNumber="38" pageId="36" pageNumber="37" type="materials_examined">
<paragraph id="8BD836FD4957073DFF67F8C2FDDBD9D2" blockId="36.[151,1437,621,1933]" pageId="36" pageNumber="37">
<emphasis id="B913EAEF4957073DFF67F8C2FEF5D93B" bold="true" box="[198,317,1866,1892]" pageId="36" pageNumber="37">Material:</emphasis>
<typeStatus id="54DC885F4957073DFEE4F8C3FE7AD93A" box="[325,434,1867,1893]" pageId="36" pageNumber="37" type="holotype">Holotype</typeStatus>
PA 132 (3/12) (male), associated with two other
<typeStatus id="54DC885F4957073DFC5AF8C3FBA6D93A" box="[1019,1134,1867,1893]" pageId="36" pageNumber="37" type="paratype">paratypes</typeStatus>
, all females;
<typeStatus id="54DC885F4957073DFAADF8C3FAB9D93A" box="[1292,1393,1867,1893]" pageId="36" pageNumber="37" type="paratype">paratype</typeStatus>
PA 9(1/6) and PA 2894, both males.
</paragraph>
<caption id="DF1866754956073CFF36F828FBE0D9E8" box="[151,1064,1952,1976]" pageId="37" pageNumber="38" startId="37.[151,255,1952,1976]" targetBox="[230,1346,204,1896]" targetPageId="37">
<paragraph id="8BD836FD4956073CFF36F828FBE0D9E8" blockId="37.[151,1332,1952,2011]" box="[151,1064,1952,1976]" pageId="37" pageNumber="38">
<emphasis id="B913EAEF4956073CFF36F828FEEED9E7" bold="true" box="[151,294,1952,1976]" pageId="37" pageNumber="38">FIGURE 34.</emphasis>
<taxonomicName id="4C674D7E4956073CFE8CF829FE2BD9E7" authority="Published, 2007" authorityName="Published" authorityYear="2007" box="[301,483,1953,1976]" class="Insecta" family="Chironomidae" genus="Ploegia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Diptera" pageId="37" pageNumber="38" phylum="Arthropoda" rank="species" species="occulata" status="sp. nov.">
<emphasis id="B913EAEF4956073CFE8CF829FE2BD9E7" box="[301,483,1953,1976]" italics="true" pageId="37" pageNumber="38">Ploegia occulata</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A22057944956073CFE48F828FDECD9E8" box="[489,548,1952,1975]" pageId="37" pageNumber="38" rank="species">n. sp.</taxonomicNameLabel>
, holotype PA 132 (3/12), photograph of habitus.
</paragraph>
</caption>
<paragraph id="8BD836FD4956073CFF36F84BFAFCD985" blockId="37.[151,1332,1952,2011]" box="[151,1332,1987,2011]" pageId="37" pageNumber="38">
<emphasis id="B913EAEF4956073CFF36F84BFEEED984" bold="true" box="[151,294,1987,2011]" pageId="37" pageNumber="38">FIGURE 35.</emphasis>
<taxonomicName id="4C674D7E4956073CFE8CF84BFE2BD985" authority="Published, 2007" authorityName="Published" authorityYear="2007" box="[301,483,1987,2010]" class="Insecta" family="Chironomidae" genus="Ploegia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Diptera" pageId="37" pageNumber="38" phylum="Arthropoda" rank="species" species="occulata" status="sp. nov.">
<emphasis id="B913EAEF4956073CFE8CF84BFE2BD985" box="[301,483,1987,2010]" italics="true" pageId="37" pageNumber="38">Ploegia occulata</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A22057944956073CFE48F84BFDECD985" box="[489,548,1987,2010]" pageId="37" pageNumber="38" rank="species">n. sp.</taxonomicNameLabel>
,
<typeStatus id="54DC885F4956073CFD8EF84BFD44D985" box="[559,652,1987,2010]" pageId="37" pageNumber="38" type="holotype">holotype</typeStatus>
PA 132 (3/12), drawing of male genitalia (scale bar =
<quantity id="4C9F9B184956073CFB73F84BFAE0D985" box="[1234,1320,1987,2010]" metricMagnitude="-4" metricUnit="m" metricValue="1.0" pageId="37" pageNumber="38" unit="mm" value="0.1">0.1 mm</quantity>
).
</paragraph>
</subSubSection>
</treatment>
</document>