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<document id="7A6409406CE0C0BA64854BD0C41BDF04" ID="10.11646/zootaxa.4117.1.1" ID-CLB-Dataset="38978" ID-DOI="10.11646/zootaxa.4117.1.1" ID-GBIF-Dataset="ec3a9bac-0c79-4210-9574-43ec31ba805f" ID-ISSN="1175-5326" ID-Zenodo-Dep="266257" ID-ZooBank="4274F17E-D096-4B30-8FD2-E66769F49708" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1464589271069" checkinUser="plazi" docAuthor="Dantas, Galileu P. S., Hamada, Neusa &amp; Mendes, Humberto F." docDate="2016" docId="03E32D35511B321AFF04CF73F74AFE5C" docLanguage="en" docName="data.FBCC20389D2703C13D1E6568A51EC59F.cached" docOrigin="Zootaxa 4117 (1)" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Stenochironomus impendens Borkent 1984" docType="treatment" docVersion="9" lastPageNumber="25" masterDocId="FFDA554D510F3202FF93CD34F645FFA8" masterDocTitle="Contribution to the knowledge of Stenochironomus Kieffer (Diptera, Chironomidae) from Brazil: seven new species and description of females and immatures of some previously known species" masterLastPageNumber="47" masterPageNumber="1" pageNumber="21" updateTime="1698662639758" updateUser="ExternalLinkService">
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<mods:title id="66853F973DB9C41AC1B6A52D5D9B0FC1">Contribution to the knowledge of Stenochironomus Kieffer (Diptera, Chironomidae) from Brazil: seven new species and description of females and immatures of some previously known species</mods:title>
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<mods:name id="1EC8A6373D27A3EEB37DD65A6A6D9F8A" type="personal">
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<mods:namePart id="A40630FF54FA946457B28A158B478EE3">Dantas, Galileu P. S.</mods:namePart>
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<mods:namePart id="3EEF0C3C4DBE8C7602D27487E6371782">Hamada, Neusa</mods:namePart>
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<mods:namePart id="19F2E00D2F41378D6DE11B6E8F9E0CD5">Mendes, Humberto F.</mods:namePart>
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<mods:title id="70EFA6B816CC6DE9205D71E7A6690512">Zootaxa</mods:title>
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<mods:date id="96EC09D3CF9D9A6B35EC7E61140FC431">2016</mods:date>
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<mods:number id="96A9C369A66596012CC158C6A799ABB9">4117</mods:number>
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<mods:classification id="16B2D48F0FAF879B1346A8C09CE678CB">journal article</mods:classification>
<mods:identifier id="DC32AB666485ABB299B9D477F481DC9E" type="CLB-Dataset">38978</mods:identifier>
<mods:identifier id="C89F7758390EAA7564D6079A68A9E1C5" type="DOI">10.11646/zootaxa.4117.1.1</mods:identifier>
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<treatment id="03E32D35511B321AFF04CF73F74AFE5C" ID-DOI="http://doi.org/10.5281/zenodo.6073938" ID-GBIF-Taxon="120733285" ID-Zenodo-Dep="6073938" LSID="urn:lsid:plazi:treatment:03E32D35511B321AFF04CF73F74AFE5C" httpUri="http://treatment.plazi.org/id/03E32D35511B321AFF04CF73F74AFE5C" lastPageId="24" lastPageNumber="25" pageId="20" pageNumber="21">
<subSubSection id="C350CFA8511B3216FF04CF73F768FD2B" pageId="20" pageNumber="21" type="nomenclature">
<paragraph id="8BF59C23511B3216FF04CF73F4E9FDCA" blockId="20.[151,684,583,643]" box="[151,684,583,610]" pageId="20" pageNumber="21">
<heading id="D0BD2B4F511B3216FF04CF73F4E9FDCA" bold="true" box="[151,684,583,610]" fontSize="11" level="1" pageId="20" pageNumber="21" reason="1">
<taxonomicName id="4C4AE7A0511B3216FF04CF73F4E9FDCA" ID-CoL="4ZWQW" authority="Borkent, 1984" authorityName="Borkent" authorityYear="1984" box="[151,684,583,610]" class="Insecta" family="Chironomidae" genus="Stenochironomus" kingdom="Animalia" order="Diptera" pageId="20" pageNumber="21" phylum="Arthropoda" rank="species" species="impendens">
<emphasis id="B93E4031511B3216FF04CF73F4E9FDCA" bold="true" box="[151,684,583,610]" pageId="20" pageNumber="21">
<emphasis id="B93E4031511B3216FF04CF73F7B1FDC9" bold="true" box="[151,500,583,609]" italics="true" pageId="20" pageNumber="21">Stenochironomus impendens</emphasis>
<bibRefCitation id="EFDBE1D2511B3216FE68CF7CF4E9FDCA" author="Borkent" box="[507,684,584,610]" pageId="20" pageNumber="21" refString="Borkent, A. (1984) The systematics and phylogeny of the Stenochironomus complex (Xestochironomus, Harrisius, and Stenochironomus) (Diptera: Chironomidae). Memoirs of the Entomological Society of Canada, 128, 1 - 269. http: // dx. doi. org / 10.4039 / entm 116128 fv" type="journal article" year="1984">Borkent, 1984</bibRefCitation>
</emphasis>
</taxonomicName>
</heading>
</paragraph>
<paragraph id="8BF59C23511B3216FF04CF5EF768FD2B" blockId="20.[151,684,583,643]" box="[151,301,618,643]" pageId="20" pageNumber="21">
(
<figureCitation id="137180A6511B3216FF0CCF5EF760FD2B" box="[159,293,618,643]" captionStart-0="FIGURE 15" captionStart-1="FIGURE 16" captionStart-2="FIGURE 17" captionStartId-0="21.[151,250,1067,1089]" captionStartId-1="22.[151,250,1952,1974]" captionStartId-2="23.[151,250,1885,1907]" captionTargetBox-0="[179,1401,182,1045]" captionTargetBox-1="[172,1373,203,1878]" captionTargetBox-2="[166,1421,207,1847]" captionTargetId-0="figure@21.[165,1409,179,1049]" captionTargetId-1="figure@22.[161,1396,193,1897]" captionTargetId-2="figure@23.[154,1433,193,1864]" captionTargetPageId-0="21" captionTargetPageId-1="22" captionTargetPageId-2="23" captionText-0="FIGURE 15. Stenochironomus impendens Borkent, adult female. A, genitalia, dorsal view. B, genitalia, ventral view." captionText-1="FIGURE 16. Stenochironomus impendens Borkent, pupa. A, frontal apotome. B, thorax, lateral view. C, tergites I – V. D, tergites VI – IX. E – F, variations of spur on S VIII." captionText-2="FIGURE 17. Stenochironomus impendens Borkent, larva. A, antenna. B, labrum. C, mandible. D, Labiohypopharynx. E, mentum and ventromental-plate." httpUri-0="https://zenodo.org/record/266272/files/figure.png" httpUri-1="https://zenodo.org/record/266273/files/figure.png" httpUri-2="https://zenodo.org/record/266274/files/figure.png" pageId="20" pageNumber="21">Figs. 15–17</figureCitation>
)
</paragraph>
</subSubSection>
<subSubSection id="C350CFA8511B3216FF04CF86F52BFB9E" pageId="20" pageNumber="21" type="materials_examined">
<paragraph id="8BF59C23511B3216FF04CF86F756FCF3" blockId="20.[151,1437,690,1729]" pageId="20" pageNumber="21">
<emphasis id="B93E4031511B3216FF04CF86F73AFD63" bold="true" box="[151,383,690,715]" pageId="20" pageNumber="21">Material examined.</emphasis>
<collectingCountry id="F35DDCB3511B3216FE15CF86F788FD63" box="[390,461,690,715]" name="Brazil" pageId="20" pageNumber="21">Brazil</collectingCountry>
, Amazonas: Manaus, Reserva Florestal Adolfo Ducke, Igarapé
<collectingCountry id="F35DDCB3511B3216FB02CF86F2A3FD63" box="[1169,1254,690,715]" name="Bolivia" pageId="20" pageNumber="21">Bolívia</collectingCountry>
,
<geoCoordinate id="EE7EFAE4511B3216FB62CF87F3D2FD63" box="[1265,1431,690,715]" direction="south" orientation="latitude" pageId="20" pageNumber="21" precision="1" value="-2.9873612">02º 59' 14.5&quot; S</geoCoordinate>
,
<geoCoordinate id="EE7EFAE4511B3216FF04CFE2F707FD46" box="[151,322,726,751]" direction="west" orientation="longitude" pageId="20" pageNumber="21" precision="1" value="-59.941807">59º 56'30.5&quot; W</geoCoordinate>
, in decayed leaves, G.P.S. Dantas (
<collectionCode id="ED5B04E6511B3216FD55CFE3F549FD47" box="[710,780,727,751]" httpUri="http://grbio.org/cool/rm88-499z" name="Instituto Nacional de Pesquisas da Amazonia" pageId="20" pageNumber="21">INPA</collectionCode>
):
<specimenCount id="9D4C57AA511B3216FC8DCFE3F52CFD47" box="[798,873,726,751]" pageId="20" pageNumber="21" type="male">1 male</specimenCount>
with pupal and larval exuviae,
<date id="FFF4BAE3511B3216FB5ACFE2F300FD47" box="[1225,1349,726,751]" pageId="20" pageNumber="21" value="2009-03-11">11.iii.2009</date>
;
<specimenCount id="9D4C57AA511B3216FAC3CFE3F3D9FD47" box="[1360,1436,726,751]" pageId="20" pageNumber="21" type="male">1 male</specimenCount>
with pupal and larval exuviae,
<date id="FFF4BAE3511B3216FD99CFCEF4C2FCBB" box="[522,647,762,787]" pageId="20" pageNumber="21" value="2009-03-17">17.iii.2009</date>
. Itacoatiara, Madeireira Mil,
<geoCoordinate id="EE7EFAE4511B3216FC70CFCFF2DDFCBB" box="[995,1176,763,787]" direction="south" orientation="latitude" pageId="20" pageNumber="21" precision="1" value="-2.7923055">02º 47’32.3’’ S</geoCoordinate>
,
<geoCoordinate id="EE7EFAE4511B3216FB39CFCEF333FCBA" box="[1194,1398,762,787]" direction="west" orientation="longitude" pageId="20" pageNumber="21" precision="1" value="-58.62847">058º 37’42.5’’ W</geoCoordinate>
, in decayed leaves, G.P.S. Dantas (
<collectionCode id="ED5B04E6511B3216FD9ACE2BF40AFC9F" box="[521,591,799,823]" httpUri="http://grbio.org/cool/rm88-499z" name="Instituto Nacional de Pesquisas da Amazonia" pageId="20" pageNumber="21">INPA</collectionCode>
):
<specimenCount id="9D4C57AA511B3216FDF4CE2BF4F2FC9F" box="[615,695,798,823]" pageId="20" pageNumber="21" type="male">1 male</specimenCount>
with pupal exuviae,
<date id="FFF4BAE3511B3216FC2BCE2AF274FC9F" box="[952,1073,798,823]" pageId="20" pageNumber="21" value="2009-04-02">02.iv.2009</date>
;
<specimenCount id="9D4C57AA511B3216FBD1CE2BF2EDFC9F" box="[1090,1192,798,823]" pageId="20" pageNumber="21" type="female">1 female</specimenCount>
with pupal exuviae,
<date id="FFF4BAE3511B3216FF04CE76F74AFCF3" box="[151,271,834,859]" pageId="20" pageNumber="21" value="2009-04-11">11.iv.2009</date>
.
</paragraph>
<paragraph id="8BF59C23511B3216FF54CE52F52BFB9E" blockId="20.[151,1437,690,1729]" pageId="20" pageNumber="21">
<emphasis id="B93E4031511B3216FF54CE52F465FCD7" bold="true" box="[199,544,870,895]" pageId="20" pageNumber="21">Diagnostic characters. Male:</emphasis>
thorax with dark circular patches; dorsal patch of setae on T IX with posterior setae on posteriorly projecting lobe.
<emphasis id="B93E4031511B3216FDA8CEBEF4DEFC0B" bold="true" box="[571,667,906,931]" pageId="20" pageNumber="21">Female:</emphasis>
Thorax light brown, with dark circular patches on each side and a light brown stripe on preepisternum; tergite IX with about 24 setae; post-genital plate slightly triangular in shape.
<emphasis id="B93E4031511B3216FF04CEE6F69AFC43" bold="true" box="[151,223,978,1003]" pageId="20" pageNumber="21">Pupa:</emphasis>
frontal apotome not elongated; cephalothorax with tubercle anterior to Dc1, anal lobe with a fringe of about 20 filaments.
<emphasis id="B93E4031511B3216FEA7CECDF7D6FBBA" bold="true" box="[308,403,1017,1042]" pageId="20" pageNumber="21">Larvae:</emphasis>
SI, SII,
<collectionCode id="ED5B04E6511B3216FE64CECEF466FBBA" box="[503,547,1018,1042]" pageId="20" pageNumber="21">SIII</collectionCode>
simple; ventromental plate with a concavity near mentum; labiohypopharynx with rounded lobes and cleft between them widening posteriorly.
</paragraph>
</subSubSection>
<subSubSection id="C350CFA8511B321AFF54C975F74AFE5C" lastPageId="24" lastPageNumber="25" pageId="20" pageNumber="21" type="description">
<paragraph id="8BF59C23511B3216FF54C975F7EFFBD6" blockId="20.[151,1437,690,1729]" pageId="20" pageNumber="21">
<emphasis id="B93E4031511B3216FF54C975F75BFBF2" bold="true" box="[199,286,1089,1114]" pageId="20" pageNumber="21">Female</emphasis>
(n = 1). Total length
<quantity id="4CB231C6511B3216FD8EC976F4C2FBF1" box="[541,647,1090,1114]" metricMagnitude="-3" metricUnit="m" metricValue="2.33" pageId="20" pageNumber="21" unit="mm" value="2.33">2.33 mm</quantity>
. Wing length
<quantity id="4CB231C6511B3216FCBFC976F5D3FBF1" box="[812,918,1090,1114]" metricMagnitude="-3" metricUnit="m" metricValue="1.37" pageId="20" pageNumber="21" unit="mm" value="1.37">1.37 mm</quantity>
. Total length/wing length 1.70. Wing length/ length of profemur 1.48.
</paragraph>
<paragraph id="8BF59C23511B3216FF54C9BDF418FAA6" blockId="20.[151,1437,690,1729]" pageId="20" pageNumber="21">General coloration brownish. Thorax: very light brown, with dark circular patches on each side and a light brown stripe on preepisternum (it is difficult to see on mounted specimens). Legs: fore coxa brown, fore femur, tibia and tarsus brownish; mid and hind legs pale, with apex of femur and base of tibia light brownish. Wing and antenna brownish. Abdomen: yellowish.</paragraph>
<paragraph id="8BF59C23511B3216FF54C82DF2EEFAD2" blockId="20.[151,1437,690,1729]" pageId="20" pageNumber="21">
Head. Flagellomere lengths (in µm): 71; 74; 78; 75; 132. Longest seta 427 µm long. AR 0.44. Temporals
<quantity id="4CB231C6511B3216FAF6C82EF3D9FA9A" box="[1381,1436,1305,1330]" metricMagnitude="-1" metricUnit="m" metricValue="2.794" pageId="20" pageNumber="21" unit="in" value="11.0">11 in</quantity>
single row. Clypeus with 10 setae. Tentorium 103 µm long; 18 µm wide at sieve pore; 9 µm wide at posterior tentorial pit. Stipes 99 µm long, 7 µm wide. Palpomere lengths (in µm): 28; 45; 101; 70; 138.
</paragraph>
<paragraph id="8BF59C23511B3216FF54C8B1F757FA69" blockId="20.[151,1437,690,1729]" pageId="20" pageNumber="21">
Thorax. Acrostichals 7; dorsocentrals
<quantity id="4CB231C6511B3216FDE8C8B2F4F2FA36" box="[635,695,1413,1438]" metricMagnitude="-1" metricUnit="m" metricValue="3.302" pageId="20" pageNumber="21" unit="in" value="13.0">13 in</quantity>
single row; prealars
<quantity id="4CB231C6511B3216FC38C8B1F5B1FA36" box="[939,1012,1413,1438]" metricMagnitude="-1" metricUnit="m" metricValue="1.143" metricValueMax="1.27" metricValueMin="1.016" pageId="20" pageNumber="21" unit="in" value="4.5" valueMax="5.0" valueMin="4.0">4–5 in</quantity>
two rows. Scutellum with 6 setae in single row.
</paragraph>
<paragraph id="8BF59C23511B3216FF54C8F9F53CF9A4" blockId="20.[151,1437,690,1729]" pageId="20" pageNumber="21">
Wing. VR 1.25. Brachiolum with 2 setae. R with 38 setae; R1 with 28 setae; R4+5 with 57 setae; RM with 3 setae; M with 5 setae; remaining veins
<taxonomicName id="4C4AE7A0511B3216FDDEC8C0F4C4F9A5" box="[589,641,1524,1549]" class="Insecta" family="Chironomidae" genus="Stenochironomus" kingdom="Animalia" order="Diptera" pageId="20" pageNumber="21" phylum="Arthropoda" rank="species" species="bare">bare</taxonomicName>
. Squama with 5 setae.
</paragraph>
<paragraph id="8BF59C23511B3216FF54CB2DF473F9D1" blockId="20.[151,1437,690,1729]" pageId="20" pageNumber="21">
Legs. Scale of front tibia 41 µm long; spurs of middle tibia 22 µm and 32 µm long; spurs of hind tibia 22 µm and 35 µm long. Apex of fore tibia 50 µm wide, of mid tibia 48 µm wide, of hind tibia 51 µm wide. Lengths (µm) and proportions of legs as in
<tableCitation id="C6C8A998511B3216FE4FCB54F477F9D1" box="[476,562,1632,1657]" captionStart="TABLE 5" captionStartId="17.[151,239,296,319]" captionTargetBox="[159,1389,348,505]" captionTargetPageId="17" captionText="TABLE 5. Lengths (in µm) and proportions of leg segments of Stenochironomus gracilis sp. nov., adult male (n = 1)." httpUri="http://table.plazi.org/id/DF35CCAB511E3213FF04CC1CF339FE97" pageId="20" pageNumber="21" tableUuid="DF35CCAB511E3213FF04CC1CF339FE97">Table 5</tableCitation>
.
</paragraph>
<paragraph id="8BF59C23511B3216FF54CBB0F286F969" blockId="20.[151,1437,690,1729]" pageId="20" pageNumber="21">
Genitalia (
<figureCitation id="137180A6511B3216FEADCBB0F7DCF935" box="[318,409,1668,1693]" captionStart="FIGURE 15" captionStartId="21.[151,250,1067,1089]" captionTargetBox="[179,1401,182,1045]" captionTargetId="figure@21.[165,1409,179,1049]" captionTargetPageId="21" captionText="FIGURE 15. Stenochironomus impendens Borkent, adult female. A, genitalia, dorsal view. B, genitalia, ventral view." httpUri="https://zenodo.org/record/266272/files/figure.png" pageId="20" pageNumber="21">Figs. 15</figureCitation>
A, 15B). Tergite IX with 24 setae; gonocoxite IX with 4 setae. Cercus 82 µm long. Notum 196 µm long. Coxosternapodeme
<date id="FFF4BAE3511B3216FD80CB9DF416F968" box="[531,595,1704,1728]" pageId="20" pageNumber="21" value="1980-09">IX 80</date>
µm long. Post-genital plate slightly triangular in shape.
</paragraph>
<caption id="DF35CCAB511B3216FF04CBD9F6F1F88C" ID-Table-UUID="DF35CCAB511B3216FF04CBD9F6F1F88C" httpUri="http://table.plazi.org/id/DF35CCAB511B3216FF04CBD9F6F1F88C" pageId="20" pageNumber="21" targetBox="[159,1391,1856,2013]" targetIsTable="true" targetPageId="20">
<paragraph id="8BF59C23511B3216FF04CBD9F6F1F88C" blockId="20.[151,1435,1772,1828]" pageId="20" pageNumber="21">
<emphasis id="B93E4031511B3216FF04CBD9F74CF8AC" bold="true" box="[151,265,1773,1796]" pageId="20" pageNumber="21">TABLE 6.</emphasis>
Lengths (in µm) and proportions of leg segments of
<taxonomicName id="4C4AE7A0511B3216FCD5CBD8F292F8AC" authority="Borkent" authorityName="Borkent" box="[838,1239,1772,1796]" class="Insecta" family="Chironomidae" genus="Stenochironomus" kingdom="Animalia" order="Diptera" pageId="20" pageNumber="21" phylum="Arthropoda" rank="species" species="impendens">
<emphasis id="B93E4031511B3216FCD5CBD8F233F8AC" box="[838,1142,1772,1796]" italics="true" pageId="20" pageNumber="21">Stenochironomus impendens</emphasis>
Borkent
</taxonomicName>
, adult female (n = 1).
</paragraph>
</caption>
<paragraph id="8BF59C23511B3216FF60CA74F32BF872" pageId="20" pageNumber="21">
<table id="F94A6E83511BCDFDFF0CCA74F32AF875" box="[159,1391,1856,2013]" gridcols="12" gridrows="4" pageId="20" pageNumber="21">
<tr id="357A9E61511BCDFDFF0CCA74F32AF8F2" box="[159,1391,1856,1882]" gridrow="0" pageId="20" pageNumber="21" rowspan-0="1">
<th id="76ABF71D511BCDFDFF60CA74F75CF8F2" box="[243,281,1856,1882]" gridcol="1" gridrow="0" pageId="20" pageNumber="21">fe</th>
<th id="76ABF71D511BCDFDFEF1CA74F7CDF8F2" box="[354,392,1856,1882]" gridcol="2" gridrow="0" pageId="20" pageNumber="21">ti</th>
<th id="76ABF71D511BCDFDFE41CA74F440F8F2" box="[466,517,1856,1882]" gridcol="3" gridrow="0" pageId="20" pageNumber="21">ta1</th>
<th id="76ABF71D511BCDFDFDD2CA74F422F8F2" box="[577,615,1856,1882]" gridcol="4" gridrow="0" pageId="20" pageNumber="21">ta2</th>
<th id="76ABF71D511BCDFDFD22CA74F492F8F2" box="[689,727,1856,1882]" gridcol="5" gridrow="0" pageId="20" pageNumber="21">ta3</th>
<th id="76ABF71D511BCDFDFCB3CA74F503F8F2" box="[800,838,1856,1882]" gridcol="6" gridrow="0" pageId="20" pageNumber="21">ta4</th>
<th id="76ABF71D511BCDFDFC1CCA74F5F0F8F2" box="[911,949,1856,1882]" gridcol="7" gridrow="0" pageId="20" pageNumber="21">ta5</th>
<th id="76ABF71D511BCDFDFC6CCA74F26EF8F2" box="[1023,1067,1856,1882]" gridcol="8" gridrow="0" pageId="20" pageNumber="21">LR</th>
<th id="76ABF71D511BCDFDFBFDCA74F2DFF8F2" box="[1134,1178,1856,1882]" gridcol="9" gridrow="0" pageId="20" pageNumber="21">BV</th>
<th id="76ABF71D511BCDFDFB4DCA74F34FF8F2" box="[1246,1290,1856,1882]" gridcol="10" gridrow="0" pageId="20" pageNumber="21">SV</th>
<th id="76ABF71D511BCDFDFADECA74F32AF8F2" box="[1357,1391,1856,1882]" gridcol="11" gridrow="0" pageId="20" pageNumber="21">BR</th>
</tr>
<tr id="357A9E61511BCDFDFF0CCA58F32AF82D" box="[159,1391,1900,1925]" gridrow="1" pageId="20" pageNumber="21">
<th id="76ABF71D511BCDFDFF0CCA58F6F1F82D" box="[159,180,1900,1925]" gridcol="0" gridrow="1" pageId="20" pageNumber="21">P1</th>
<td id="76ABF71D511BCDFDFF60CA58F75CF82D" box="[243,281,1900,1925]" gridcol="1" gridrow="1" pageId="20" pageNumber="21">930</td>
<td id="76ABF71D511BCDFDFEF1CA58F7CDF82D" box="[354,392,1900,1925]" gridcol="2" gridrow="1" pageId="20" pageNumber="21">732</td>
<td id="76ABF71D511BCDFDFE41CA58F440F82D" box="[466,517,1900,1925]" gridcol="3" gridrow="1" pageId="20" pageNumber="21">1047</td>
<td id="76ABF71D511BCDFDFDD2CA58F422F82D" box="[577,615,1900,1925]" gridcol="4" gridrow="1" pageId="20" pageNumber="21">659</td>
<td id="76ABF71D511BCDFDFD22CA58F492F82D" box="[689,727,1900,1925]" gridcol="5" gridrow="1" pageId="20" pageNumber="21">517</td>
<td id="76ABF71D511BCDFDFCB3CA58F503F82D" box="[800,838,1900,1925]" gridcol="6" gridrow="1" pageId="20" pageNumber="21">427</td>
<td id="76ABF71D511BCDFDFC1CCA58F5F0F82D" box="[911,949,1900,1925]" gridcol="7" gridrow="1" pageId="20" pageNumber="21">177</td>
<td id="76ABF71D511BCDFDFC6CCA58F26EF82D" box="[1023,1067,1900,1925]" gridcol="8" gridrow="1" pageId="20" pageNumber="21">1.42</td>
<td id="76ABF71D511BCDFDFBFDCA58F2DFF82D" box="[1134,1178,1900,1925]" gridcol="9" gridrow="1" pageId="20" pageNumber="21">1.52</td>
<td id="76ABF71D511BCDFDFB4DCA58F34FF82D" box="[1246,1290,1900,1925]" gridcol="10" gridrow="1" pageId="20" pageNumber="21">1.59</td>
<td id="76ABF71D511BCDFDFADECA58F32AF82D" box="[1357,1391,1900,1925]" gridcol="11" gridrow="1" pageId="20" pageNumber="21">3.0</td>
</tr>
<tr id="357A9E61511BCDFDFF0CCAACF32AF819" box="[159,1391,1944,1969]" gridrow="2" pageId="20" pageNumber="21">
<th id="76ABF71D511BCDFDFF0CCAACF6F1F819" box="[159,180,1944,1969]" gridcol="0" gridrow="2" pageId="20" pageNumber="21">P2</th>
<td id="76ABF71D511BCDFDFF60CAACF75CF819" box="[243,281,1944,1969]" gridcol="1" gridrow="2" pageId="20" pageNumber="21">795</td>
<td id="76ABF71D511BCDFDFEF1CAACF7CDF819" box="[354,392,1944,1969]" gridcol="2" gridrow="2" pageId="20" pageNumber="21">671</td>
<td id="76ABF71D511BCDFDFE41CAACF440F819" box="[466,517,1944,1969]" gridcol="3" gridrow="2" pageId="20" pageNumber="21">470</td>
<td id="76ABF71D511BCDFDFDD2CAACF422F819" box="[577,615,1944,1969]" gridcol="4" gridrow="2" pageId="20" pageNumber="21">257</td>
<td id="76ABF71D511BCDFDFD22CAACF492F819" box="[689,727,1944,1969]" gridcol="5" gridrow="2" pageId="20" pageNumber="21">188</td>
<td id="76ABF71D511BCDFDFCB3CAACF503F819" box="[800,838,1944,1969]" gridcol="6" gridrow="2" pageId="20" pageNumber="21">124</td>
<td id="76ABF71D511BCDFDFC1CCAACF5F0F819" box="[911,949,1944,1969]" gridcol="7" gridrow="2" pageId="20" pageNumber="21">70</td>
<td id="76ABF71D511BCDFDFC6CCAACF26EF819" box="[1023,1067,1944,1969]" gridcol="8" gridrow="2" pageId="20" pageNumber="21">0.70</td>
<td id="76ABF71D511BCDFDFBFDCAACF2DFF819" box="[1134,1178,1944,1969]" gridcol="9" gridrow="2" pageId="20" pageNumber="21">3.03</td>
<td id="76ABF71D511BCDFDFB4DCAACF34FF819" box="[1246,1290,1944,1969]" gridcol="10" gridrow="2" pageId="20" pageNumber="21">3.12</td>
<td id="76ABF71D511BCDFDFADECAACF32AF819" box="[1357,1391,1944,1969]" gridcol="11" gridrow="2" pageId="20" pageNumber="21">3.5</td>
</tr>
<tr id="357A9E61511BCDFDFF0CCAF0F32AF875" box="[159,1391,1988,2013]" gridrow="3" pageId="20" pageNumber="21">
<th id="76ABF71D511BCDFDFF0CCAF0F6F1F875" box="[159,180,1988,2013]" gridcol="0" gridrow="3" pageId="20" pageNumber="21">P3</th>
<td id="76ABF71D511BCDFDFF60CAF0F75CF875" box="[243,281,1988,2013]" gridcol="1" gridrow="3" pageId="20" pageNumber="21">842</td>
<td id="76ABF71D511BCDFDFEF1CAF0F7CDF875" box="[354,392,1988,2013]" gridcol="2" gridrow="3" pageId="20" pageNumber="21">798</td>
<td id="76ABF71D511BCDFDFE41CAF0F440F875" box="[466,517,1988,2013]" gridcol="3" gridrow="3" pageId="20" pageNumber="21">630</td>
<td id="76ABF71D511BCDFDFDD2CAF0F422F875" box="[577,615,1988,2013]" gridcol="4" gridrow="3" pageId="20" pageNumber="21">362</td>
<td id="76ABF71D511BCDFDFD22CAF0F492F875" box="[689,727,1988,2013]" gridcol="5" gridrow="3" pageId="20" pageNumber="21">286</td>
<td id="76ABF71D511BCDFDFCB3CAF0F503F875" box="[800,838,1988,2013]" gridcol="6" gridrow="3" pageId="20" pageNumber="21">175</td>
<td id="76ABF71D511BCDFDFC1CCAF0F5F0F875" box="[911,949,1988,2013]" gridcol="7" gridrow="3" pageId="20" pageNumber="21">78</td>
<td id="76ABF71D511BCDFDFC6CCAF0F26EF875" box="[1023,1067,1988,2013]" gridcol="8" gridrow="3" pageId="20" pageNumber="21">0.79</td>
<td id="76ABF71D511BCDFDFBFDCAF0F2DFF875" box="[1134,1178,1988,2013]" gridcol="9" gridrow="3" pageId="20" pageNumber="21">2.52</td>
<td id="76ABF71D511BCDFDFB4DCAF0F34FF875" box="[1246,1290,1988,2013]" gridcol="10" gridrow="3" pageId="20" pageNumber="21">2.60</td>
<td id="76ABF71D511BCDFDFADECAF0F32AF875" box="[1357,1391,1988,2013]" gridcol="11" gridrow="3" pageId="20" pageNumber="21">3.6</td>
</tr>
</table>
</paragraph>
<caption id="DF35CCAB511A3217FF04C91FF378FBE9" box="[151,1341,1067,1089]" httpUri="https://zenodo.org/record/266272/files/figure.png" pageId="21" pageNumber="22" targetBox="[179,1401,182,1045]" targetPageId="21">
<paragraph id="8BF59C23511A3217FF04C91FF378FBE9" blockId="21.[151,1341,1067,1089]" box="[151,1341,1067,1089]" pageId="21" pageNumber="22">
<emphasis id="B93E4031511A3217FF04C91FF75AFBE8" bold="true" box="[151,287,1067,1089]" pageId="21" pageNumber="22">FIGURE 15.</emphasis>
<taxonomicName id="4C4AE7A0511A3217FEB6C91FF4E5FBE9" authority="Borkent" authorityName="Borkent" box="[293,672,1067,1089]" class="Insecta" family="Chironomidae" genus="Stenochironomus" kingdom="Animalia" order="Diptera" pageId="21" pageNumber="22" phylum="Arthropoda" rank="species" species="impendens">
<emphasis id="B93E4031511A3217FEB6C91FF403FBE8" box="[293,582,1067,1088]" italics="true" pageId="21" pageNumber="22">Stenochironomus impendens</emphasis>
Borkent
</taxonomicName>
, adult female. A, genitalia, dorsal view. B, genitalia, ventral view.
</paragraph>
</caption>
<paragraph id="8BF59C23511A3217FF54C95AF5B0FB2E" blockId="21.[151,1437,1134,2028]" box="[199,1013,1134,1159]" pageId="21" pageNumber="22">
<emphasis id="B93E4031511A3217FF54C95AF743FB2F" bold="true" box="[199,262,1134,1159]" pageId="21" pageNumber="22">Pupa</emphasis>
(n = 3, except when otherwise stated). Total length
<quantity id="4CB231C6511A3217FCD8C95BF5B5FB2E" box="[843,1008,1135,1159]" metricMagnitude="-3" metricUnit="m" metricValue="3.155" metricValueMax="3.24" metricValueMin="3.07" pageId="21" pageNumber="22" unit="mm" value="3.155" valueMax="3.24" valueMin="3.07">3.07–3.24 mm</quantity>
.
</paragraph>
<paragraph id="8BF59C23511A3217FF54C9A6F70AFB67" blockId="21.[151,1437,1134,2028]" pageId="21" pageNumber="22">Coloration: abdomen and cephalothorax transparent; abdomen with lateral margin from distal half of TV to TVIII brownish.</paragraph>
<paragraph id="8BF59C23511A3217FF54C9EEF365FA95" blockId="21.[151,1437,1134,2028]" pageId="21" pageNumber="22">
Cephalothorax (
<figureCitation id="137180A6511A3217FEEDC9EEF798FB5B" box="[382,477,1242,1267]" captionStart="FIGURE 16" captionStartId="22.[151,250,1952,1974]" captionTargetBox="[172,1373,203,1878]" captionTargetId="figure@22.[161,1396,193,1897]" captionTargetPageId="22" captionText="FIGURE 16. Stenochironomus impendens Borkent, pupa. A, frontal apotome. B, thorax, lateral view. C, tergites I – V. D, tergites VI – IX. E – F, variations of spur on S VIII." httpUri="https://zenodo.org/record/266273/files/figure.png" pageId="21" pageNumber="22">Figs. 16</figureCitation>
A, 16B). Frontal apotome not elongated (
<figureCitation id="137180A6511A3217FC2CC9EEF251FB5B" box="[959,1044,1242,1267]" captionStart="FIGURE 16" captionStartId="22.[151,250,1952,1974]" captionTargetBox="[172,1373,203,1878]" captionTargetId="figure@22.[161,1396,193,1897]" captionTargetPageId="22" captionText="FIGURE 16. Stenochironomus impendens Borkent, pupa. A, frontal apotome. B, thorax, lateral view. C, tergites I – V. D, tergites VI – IX. E – F, variations of spur on S VIII." httpUri="https://zenodo.org/record/266273/files/figure.png" pageId="21" pageNumber="22">Fig. 16</figureCitation>
A). Precorneal setae 2; 53–59 µm long. Dorsocentrals (Dc) 27–32 µm long. Distance between Dc1 and Dc2 4 µm; between Dc2 and Dc3 140–142 µm; between Dc3 and Dc4 4 µm. A laterodorsal tubercle anterior to Dc1 (
<figureCitation id="137180A6511A3217FC1AC810F59EFA95" box="[905,987,1316,1341]" captionStart="FIGURE 16" captionStartId="22.[151,250,1952,1974]" captionTargetBox="[172,1373,203,1878]" captionTargetId="figure@22.[161,1396,193,1897]" captionTargetPageId="22" captionText="FIGURE 16. Stenochironomus impendens Borkent, pupa. A, frontal apotome. B, thorax, lateral view. C, tergites I – V. D, tergites VI – IX. E – F, variations of spur on S VIII." httpUri="https://zenodo.org/record/266273/files/figure.png" pageId="21" pageNumber="22">Fig. 16</figureCitation>
B). Median suture granulose.
</paragraph>
<paragraph id="8BF59C23511A3217FF54C87FF7C8F900" blockId="21.[151,1437,1134,2028]" pageId="21" pageNumber="22">
Abdomen (
<figureCitation id="137180A6511A3217FED6C87FF7E4FACC" box="[325,417,1355,1380]" captionStart="FIGURE 16" captionStartId="22.[151,250,1952,1974]" captionTargetBox="[172,1373,203,1878]" captionTargetId="figure@22.[161,1396,193,1897]" captionTargetPageId="22" captionText="FIGURE 16. Stenochironomus impendens Borkent, pupa. A, frontal apotome. B, thorax, lateral view. C, tergites I – V. D, tergites VI – IX. E – F, variations of spur on S VIII." httpUri="https://zenodo.org/record/266273/files/figure.png" pageId="21" pageNumber="22">Figs. 16</figureCitation>
C, 16D). T I
<taxonomicName id="4C4AE7A0511A3217FDA3C87FF421FACC" box="[560,612,1355,1380]" class="Insecta" family="Chironomidae" genus="Stenochironomus" kingdom="Animalia" order="Diptera" pageId="21" pageNumber="22" phylum="Arthropoda" rank="species" species="bare">bare</taxonomicName>
; T II–III with large field of shagreen; T IV–V with two fields of shagreen separated by a
<taxonomicName id="4C4AE7A0511A3217FED3C85BF735FA20" box="[320,368,1391,1416]" class="Insecta" family="Chironomidae" genus="Stenochironomus" kingdom="Animalia" order="Diptera" pageId="21" pageNumber="22" phylum="Arthropoda" rank="species" species="bare">bare</taxonomicName>
area; T VI with three fields of shagreen, one anterior, one median and one posterior, separated by
<taxonomicName id="4C4AE7A0511A3217FF2DC8A7F6ABFA04" box="[190,238,1427,1452]" class="Insecta" family="Chironomidae" genus="Stenochironomus" kingdom="Animalia" order="Diptera" pageId="21" pageNumber="22" phylum="Arthropoda" rank="species" species="bare">bare</taxonomicName>
areas, the posterior field extending laterally while others not. T VII with a small field of shagreen in posterior margin; T VIII with fine shagreen restricted to anterolateral margin; anal segment with anterior pair of shagreen patches. TII with posterior row of hooklets not extending to lateral margin of tergite, divided medially into two groups. Abdominal setation: S I without L setae; S II–IV with 3 L setae; S V–VII with 4 LS setae; S VIII with 5 LS setae.
<emphasis id="B93E4031511A3217FECFCB10F7ACF993" box="[348,489,1572,1596]" italics="true" pageId="21" pageNumber="22">Pedes spurii</emphasis>
B absent on II segment. Spur on S VIII with 4–5 transparent to grayish teeth, the largest being 22–24 µm long; there may be small basal denticles (
<figureCitation id="137180A6511A3217FC1FCB73F5AFF9C8" box="[908,1002,1607,1632]" captionStart="FIGURE 16" captionStartId="22.[151,250,1952,1974]" captionTargetBox="[172,1373,203,1878]" captionTargetId="figure@22.[161,1396,193,1897]" captionTargetPageId="22" captionText="FIGURE 16. Stenochironomus impendens Borkent, pupa. A, frontal apotome. B, thorax, lateral view. C, tergites I – V. D, tergites VI – IX. E – F, variations of spur on S VIII." httpUri="https://zenodo.org/record/266273/files/figure.png" pageId="21" pageNumber="22">Figs. 16</figureCitation>
E, 16F). Genital sac 170 (1) µm long, overreaching the posterior margin of the anal lobe by 48–50 µm; anal lobe 160 (1) µm, rounded at apex, with fringe of about 20 filaments.
</paragraph>
<paragraph id="8BF59C23511A3217FF54CB87F695F958" blockId="21.[151,1437,1134,2028]" pageId="21" pageNumber="22">
<emphasis id="B93E4031511A3217FF54CB87F7EAF964" bold="true" box="[199,431,1715,1740]" pageId="21" pageNumber="22">Fourth-instar larva</emphasis>
(n = 2 except when otherwise stated). Total length 8.56 (1) mm. Head capsule 531 (1) µm long.
</paragraph>
<paragraph id="8BF59C23511A3217FF54CBCFF2B6F844" blockId="21.[151,1437,1134,2028]" pageId="21" pageNumber="22">
Head. Antenna as in
<figureCitation id="137180A6511A3217FE21CBCFF45BF8BC" box="[434,542,1787,1812]" captionStart="FIGURE 17" captionStartId="23.[151,250,1885,1907]" captionTargetBox="[166,1421,207,1847]" captionTargetId="figure@23.[154,1433,193,1864]" captionTargetPageId="23" captionText="FIGURE 17. Stenochironomus impendens Borkent, larva. A, antenna. B, labrum. C, mandible. D, Labiohypopharynx. E, mentum and ventromental-plate." httpUri="https://zenodo.org/record/266274/files/figure.png" pageId="21" pageNumber="22">Figure 17</figureCitation>
A; lengths of antennal segments (in µm): 62; 20; 12; 10; 4 (1). Blade 21 (1) µm long. Labrum as in
<figureCitation id="137180A6511A3217FE13CA2BF7B7F890" box="[384,498,1823,1848]" captionStart="FIGURE 14" captionStartId="19.[151,250,1905,1927]" captionTargetBox="[188,1368,221,1853]" captionTargetId="figure@19.[151,1436,193,1884]" captionTargetPageId="19" captionText="FIGURE 14. Stenochironomus gracilis sp. nov., pupae. A, frontal apotome. B, thorax, in lateral view. C, tergites I – IV. D, tergites V – IX. E, spurs on S VIII." httpUri="https://zenodo.org/record/266271/files/figure.png" pageId="21" pageNumber="22">Figure 14</figureCitation>
B. Labral lamella with two conical-shaped teeth; spicules of pecten epipharyngis simple, arranged in a row (
<figureCitation id="137180A6511A3217FE50CA77F450F8F4" box="[451,533,1859,1884]" captionStart="FIGURE 17" captionStartId="23.[151,250,1885,1907]" captionTargetBox="[166,1421,207,1847]" captionTargetId="figure@23.[154,1433,193,1864]" captionTargetPageId="23" captionText="FIGURE 17. Stenochironomus impendens Borkent, larva. A, antenna. B, labrum. C, mandible. D, Labiohypopharynx. E, mentum and ventromental-plate." httpUri="https://zenodo.org/record/266274/files/figure.png" pageId="21" pageNumber="22">Fig. 17</figureCitation>
B). S1 simple, 21–25 µm long; S2 simple, 21–26 µm long; S3 simple, 15–17 µm long. Premandible 64 (1) µm long. Mandible (
<figureCitation id="137180A6511A3217FD0ACA53F4ACF828" box="[665,745,1895,1920]" captionStart="FIGURE 17" captionStartId="23.[151,250,1885,1907]" captionTargetBox="[166,1421,207,1847]" captionTargetId="figure@23.[154,1433,193,1864]" captionTargetPageId="23" captionText="FIGURE 17. Stenochironomus impendens Borkent, larva. A, antenna. B, labrum. C, mandible. D, Labiohypopharynx. E, mentum and ventromental-plate." httpUri="https://zenodo.org/record/266274/files/figure.png" pageId="21" pageNumber="22">Fig. 17</figureCitation>
C) 176–180 µm long, with 4 inner teeth; setae submenti short, drop-like. Mentum concave (
<figureCitation id="137180A6511A3217FE78CABFF404F80C" box="[491,577,1931,1956]" captionStart="FIGURE 17" captionStartId="23.[151,250,1885,1907]" captionTargetBox="[166,1421,207,1847]" captionTargetId="figure@23.[154,1433,193,1864]" captionTargetPageId="23" captionText="FIGURE 17. Stenochironomus impendens Borkent, larva. A, antenna. B, labrum. C, mandible. D, Labiohypopharynx. E, mentum and ventromental-plate." httpUri="https://zenodo.org/record/266274/files/figure.png" pageId="21" pageNumber="22">Fig. 17</figureCitation>
E), 121–128 µm wide, with 10 blackish teeth; ventromental plate with a concavity near mentum. Base of dorsolateral strip originating near the base of dorsomedian strip. Labiohypopharynx (
<figureCitation id="137180A6511A3217FEE8CAE7F78FF844" box="[379,458,2003,2028]" captionStart="FIGURE 17" captionStartId="23.[151,250,1885,1907]" captionTargetBox="[166,1421,207,1847]" captionTargetId="figure@23.[154,1433,193,1864]" captionTargetPageId="23" captionText="FIGURE 17. Stenochironomus impendens Borkent, larva. A, antenna. B, labrum. C, mandible. D, Labiohypopharynx. E, mentum and ventromental-plate." httpUri="https://zenodo.org/record/266274/files/figure.png" pageId="21" pageNumber="22">Fig. 17</figureCitation>
D) with ligular lobes rounded, cleft between lobes widening posteriorly.
</paragraph>
<caption id="DF35CCAB51193214FF04CA94F4CCF87C" httpUri="https://zenodo.org/record/266273/files/figure.png" pageId="22" pageNumber="23" targetBox="[172,1373,203,1878]" targetPageId="22">
<paragraph id="8BF59C2351193214FF04CA94F4CCF87C" blockId="22.[151,1435,1952,2004]" pageId="22" pageNumber="23">
<emphasis id="B93E403151193214FF04CA94F761F81D" bold="true" box="[151,292,1952,1974]" pageId="22" pageNumber="23">FIGURE 16.</emphasis>
<taxonomicName id="4C4AE7A051193214FEBDCA94F4F4F81E" authority="Borkent" authorityName="Borkent" box="[302,689,1952,1974]" class="Insecta" family="Chironomidae" genus="Stenochironomus" kingdom="Animalia" order="Diptera" pageId="22" pageNumber="23" phylum="Arthropoda" rank="species" species="impendens">
<emphasis id="B93E403151193214FEBDCA94F417F81D" box="[302,594,1952,1973]" italics="true" pageId="22" pageNumber="23">Stenochironomus impendens</emphasis>
Borkent
</taxonomicName>
, pupa. A, frontal apotome. B, thorax, lateral view. C, tergites I–V. D, tergites VI–IX. E–F, variations of spur on S VIII.
</paragraph>
</caption>
<caption id="DF35CCAB51183215FF04CA69F7A7F83A" httpUri="https://zenodo.org/record/266274/files/figure.png" pageId="23" pageNumber="24" targetBox="[166,1421,207,1847]" targetPageId="23">
<paragraph id="8BF59C2351183215FF04CA69F7A7F83A" blockId="23.[151,1435,1885,1938]" pageId="23" pageNumber="24">
<emphasis id="B93E403151183215FF04CA69F761F8DA" bold="true" box="[151,292,1885,1907]" pageId="23" pageNumber="24">FIGURE 17.</emphasis>
<taxonomicName id="4C4AE7A051183215FEBDCA69F4F4F8DB" authority="Borkent" authorityName="Borkent" box="[302,689,1885,1907]" class="Insecta" family="Chironomidae" genus="Stenochironomus" kingdom="Animalia" order="Diptera" pageId="23" pageNumber="24" phylum="Arthropoda" rank="species" species="impendens">
<emphasis id="B93E403151183215FEBDCA69F417F8DA" box="[302,594,1885,1906]" italics="true" pageId="23" pageNumber="24">Stenochironomus impendens</emphasis>
Borkent
</taxonomicName>
, larva. A, antenna. B, labrum. C, mandible. D, Labiohypopharynx. E, mentum and ventromental-plate.
</paragraph>
</caption>
<paragraph id="8BF59C235117321AFF54CDA3F5E2FE2F" blockId="24.[151,1437,151,500]" pageId="24" pageNumber="25">
Abdomen. Procercus with 4 filaments; associated setae of equal size. The longest anal hook 50 (1) µm long.
<emphasis id="B93E40315117321AFF04CD88F7CBFF7D" bold="true" box="[151,398,188,213]" pageId="24" pageNumber="25">Systematic remarks.</emphasis>
The pupa of
<taxonomicName id="4C4AE7A05117321AFDA1CD88F48FFF7C" box="[562,714,188,212]" class="Insecta" family="Chironomidae" genus="Stenochironomus" kingdom="Animalia" order="Diptera" pageId="24" pageNumber="25" phylum="Arthropoda" rank="species" species="impendens">
<emphasis id="B93E40315117321AFDA1CD88F48FFF7C" box="[562,714,188,212]" italics="true" pageId="24" pageNumber="25">S. impendens</emphasis>
</taxonomicName>
is quite distinct from the other Neotropical species, with few filaments present on anal lobe and a considerable variation in shape and number of teeth of the spur on S VIII. Previously, a concavity on the ventromental plate near to the mentum was used to distinguish the larvae of
<taxonomicName id="4C4AE7A05117321AFA14CC30F744FEE8" class="Insecta" family="Chironomidae" genus="Stenochironomus" kingdom="Animalia" order="Diptera" pageId="24" pageNumber="25" phylum="Arthropoda" rank="species" species="bacrionis">
<emphasis id="B93E40315117321AFA14CC30F744FEE8" italics="true" pageId="24" pageNumber="25">S. bacrionis</emphasis>
</taxonomicName>
from other species in the genus, but the larva of
<taxonomicName id="4C4AE7A05117321AFCA7CC1CF58FFEE8" box="[820,970,296,320]" class="Insecta" family="Chironomidae" genus="Stenochironomus" kingdom="Animalia" order="Diptera" pageId="24" pageNumber="25" phylum="Arthropoda" rank="species" species="impendens">
<emphasis id="B93E40315117321AFCA7CC1CF58FFEE8" box="[820,970,296,320]" italics="true" pageId="24" pageNumber="25">S. impendens</emphasis>
</taxonomicName>
described here also has this feature. The larvae of these two species can be differentiated by the structure of the labrum and labiohypopharynx. The larval exuvia of
<taxonomicName id="4C4AE7A05117321AFE94CC44F7DEFE20" box="[263,411,368,392]" class="Insecta" family="Chironomidae" genus="Stenochironomus" kingdom="Animalia" order="Diptera" pageId="24" pageNumber="25" phylum="Arthropoda" rank="species" species="impendens">
<emphasis id="B93E40315117321AFE94CC44F7DEFE20" box="[263,411,368,392]" italics="true" pageId="24" pageNumber="25">S. impendens</emphasis>
</taxonomicName>
is compacted and completely free of the pupa.
</paragraph>
<paragraph id="8BF59C235117321AFF54CCA0F74AFE5C" blockId="24.[151,1437,151,500]" pageId="24" pageNumber="25">
<emphasis id="B93E40315117321AFF54CCA0F405FE05" bold="true" box="[199,576,404,429]" pageId="24" pageNumber="25">Notes on biology of the species.</emphasis>
The adults were reared from larva which had been mining leaves in small, fast flowing, black-water streams. Until now, this species had been recorded only in the
<typeStatus id="54F122815117321AFB12CC8CF2F4FE78" box="[1153,1201,440,464]" pageId="24" pageNumber="25">type</typeStatus>
locality, Rio Paru in Pará State.
</paragraph>
</subSubSection>
</treatment>
</document>
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