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<document ID-DOI="10.11646/zootaxa.5239.2.4" ID-GBIF-Dataset="cd477ac0-5d84-4231-9997-1152272c2bd4" ID-ISSN="1175-5326" ID-Zenodo-Dep="7624247" ID-ZooBank="D54F4D1B-8D3A-4A28-9044-A71B8FABC666" checkinTime="1675933667673" checkinUser="plazi" docAuthor="Pires-Silva, Carlos M." docDate="2023" docId="03ECC457FFE64041FF4AFC67FE4FFEF9" docLanguage="en" docName="zootaxa.5239.2.4.pdf" docOrigin="Zootaxa 5239 (2)" docSource="http://dx.doi.org/10.11646/zootaxa.5239.2.4" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Xenogaster pseudonuda Pires-Silva 2023, sp. nov." docType="treatment" docVersion="5" lastPageNumber="254" masterDocId="FFD5BC2FFFE74046FFDDFFB4FFCBFFB8" masterDocTitle="Two new species of the termitophilous rove beetle genus Xenogaster Wasmann from Brazil (Staphylinidae, Aleocharinae, Corotocini)" masterLastPageNumber="264" masterPageNumber="247" pageNumber="248" updateTime="1676308709634" updateUser="ExternalLinkService" zenodo-license-document="CLOSED">
<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
<mods:titleInfo>
<mods:title>Two new species of the termitophilous rove beetle genus Xenogaster Wasmann from Brazil (Staphylinidae, Aleocharinae, Corotocini)</mods:title>
</mods:titleInfo>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Pires-Silva, Carlos M.</mods:namePart>
<mods:affiliation>Programa de Pós-Graduação em Sistemática, Taxonomia Animal e Biodiversidade, Laboratório de Coleoptera, Museu de Zoologia da Universidade de São Paulo, 04263 - 000, São Paulo, Brasil.</mods:affiliation>
</mods:name>
<mods:typeOfResource>text</mods:typeOfResource>
<mods:relatedItem type="host">
<mods:titleInfo>
<mods:title>Zootaxa</mods:title>
</mods:titleInfo>
<mods:part>
<mods:date>2023</mods:date>
<mods:detail type="pubDate">
<mods:number>2023-02-09</mods:number>
</mods:detail>
<mods:detail type="volume">
<mods:number>5239</mods:number>
</mods:detail>
<mods:detail type="issue">
<mods:number>2</mods:number>
</mods:detail>
<mods:extent unit="page">
<mods:start>247</mods:start>
<mods:end>264</mods:end>
</mods:extent>
</mods:part>
</mods:relatedItem>
<mods:location>
<mods:url>http://dx.doi.org/10.11646/zootaxa.5239.2.4</mods:url>
</mods:location>
<mods:classification>journal article</mods:classification>
<mods:identifier type="DOI">10.11646/zootaxa.5239.2.4</mods:identifier>
<mods:identifier type="GBIF-Dataset">cd477ac0-5d84-4231-9997-1152272c2bd4</mods:identifier>
<mods:identifier type="ISSN">1175-5326</mods:identifier>
<mods:identifier type="Zenodo-Dep">7624247</mods:identifier>
<mods:identifier type="ZooBank">D54F4D1B-8D3A-4A28-9044-A71B8FABC666</mods:identifier>
</mods:mods>
<treatment ID-DOI="http://doi.org/10.5281/zenodo.7624241" ID-Zenodo-Dep="7624241" LSID="urn:lsid:plazi:treatment:03ECC457FFE64041FF4AFC67FE4FFEF9" httpUri="http://treatment.plazi.org/id/03ECC457FFE64041FF4AFC67FE4FFEF9" lastPageId="7" lastPageNumber="254" pageId="1" pageNumber="248">
<subSubSection box="[151,685,978,1005]" pageId="1" pageNumber="248" type="nomenclature">
<paragraph blockId="1.[151,685,978,1041]" box="[151,685,978,1005]" pageId="1" pageNumber="248">
<heading bold="true" box="[151,685,978,1005]" fontSize="11" level="1" pageId="1" pageNumber="248" reason="1">
<emphasis bold="true" box="[151,685,978,1005]" pageId="1" pageNumber="248">
<taxonomicName authority="Pires-Silva" authorityName="Pires-Silva" authorityYear="2023" box="[151,584,978,1005]" class="Insecta" family="Staphylinidae" genus="Xenogaster" kingdom="Animalia" order="Coleoptera" pageId="1" pageNumber="248" phylum="Arthropoda" rank="species" species="pseudonuda" status="sp. nov.">
<emphasis bold="true" box="[151,442,978,1005]" italics="true" pageId="1" pageNumber="248">Xenogaster pseudonuda</emphasis>
Pires-Silva
</taxonomicName>
<taxonomicNameLabel box="[591,685,979,1005]" pageId="1" pageNumber="248" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
</heading>
</paragraph>
</subSubSection>
<subSubSection box="[151,554,1015,1041]" pageId="1" pageNumber="248" type="description">
<paragraph blockId="1.[151,685,978,1041]" box="[151,554,1015,1041]" pageId="1" pageNumber="248">
(
<figureCitation box="[159,281,1015,1041]" captionStart-0="FIGURES 1–3" captionStart-1="FIGURES 4–6" captionStart-2="FIGURES 7–34" captionStart-3="FIGURES 35–38" captionStart-4="FIGURES 39–42" captionStart-5="FIGURES 43–46" captionStartId-0="2.[152,270,1456,1480]" captionStartId-1="3.[152,270,1493,1517]" captionStartId-2="4.[152,270,1777,1801]" captionStartId-3="5.[152,270,1006,1030]" captionStartId-4="5.[152,270,1961,1985]" captionStartId-5="6.[152,270,1908,1932]" captionTargetBox-0="[151,1436,378,1430]" captionTargetBox-1="[151,1436,489,1469]" captionTargetBox-2="[151,1436,381,1754]" captionTargetBox-3="[212,1376,181,982]" captionTargetBox-4="[204,1384,1127,1938]" captionTargetBox-5="[263,1325,187,1871]" captionTargetId-0="figure-122@2.[151,1436,378,1430]" captionTargetId-1="figure-156@3.[151,1436,489,1469]" captionTargetId-2="figure-121@4.[151,1436,381,1754]" captionTargetId-3="figure-15@5.[212,1376,181,982]" captionTargetId-4="figure-66@5.[204,1384,1127,1938]" captionTargetId-5="figure-22@6.[262,1325,181,1884]" captionTargetPageId-0="2" captionTargetPageId-1="3" captionTargetPageId-2="4" captionTargetPageId-3="5" captionTargetPageId-4="5" captionTargetPageId-5="6" captionText-0="FIGURES 1–3. Xenogaster pseudonuda sp. nov., holotype male. Habitus (elytra missing). 1, lateral; 2, ventral, 3, dorsal. Scale bars = 0,85 mm." captionText-1="FIGURES 4–6. Xenogaster pseudonuda sp. nov., paratype female. Habitus.4, lateral; 5, ventral, 6, dorsal. Scale bars = 0,9 mm." captionText-2="FIGURES 7–34. Xenogaster pseudonuda sp. nov. 7, head, ventral view; 8, mandibles, dorsal view; mandibular prostheca indicated by arrows; 9, maxilla; 10, labium, dorsal view; 11, labrum, dorsal view; 12, antenna; 13, postmentum, ventral view; 14, meso- and metaventrite, ventral view; 15, scutellum, meso- and metanotum, and abdominal tergite I, dorsal view; 16, endosternite; 17, elytra, dorsal view; 18, prosternum; 19. front leg; 20, hind leg; 21, middle leg; 22, front tarsus; 23, middle tarsus; 24, hind tarsus; 25, tergite VII; 26, sternite VIII (female); 27, tergite VIII (female); 28, tergite IX–X (male); 29, aedeagus, dorsal view; 30, tergite VIII (male); 31, sternite VIII (male); 32, tergite IX–X (female); 33, tergite X (male), 34, spermatheca. Scale bars = 0,025 mm (8, 9, 10, 11); 0,05 mm (22, 23, 24, 32, 33, 34); 0,06 mm (13); 0,075 mm (17, 18, 25, 26, 27, 30, 31); 0,1 mm (7, 12, 14, 15, 16, 19, 20, 21, 28, 29)." captionText-3="FIGURES 35–38. Xenogaster pseudonuda sp. nov. 35, pronotum (dorsal); 36, detail of lateral margins; 37, microsetae on pronotal disc; 38, details of outer border of lateral margin. White arrows point to a fallen bristle. Scale bars = 3 µm (35), 10 µm (36, 37, 38)." captionText-4="FIGURES 39–42. Xenogaster pseudonuda sp. nov. 39, elytra (dorsal); 40, detail of apex of anterior region; 41, detail of small bristles near lateral margins; 42, detail of long bristle of elytra. Scale bars = 3 µm (42); 10 µm (40, 41); 30 µm (39)." captionText-5="FIGURES 43–46. Illustrative schemes showing the differences between the genitalia of Xenogaster pseudonuda sp. nov and X. subnuda. 43, aedeagus of X. pseudonuda (dorsal view); 44, aedeagus of X. subnuda (dorsal view), 45, lateral lobe of X. pseudonuda; 46, lateral lobe of X. subnuda. Abbreviations = al: apical lobe; LL: lateral lobe; bc: basal capsule; px.s.: proximal segment; md.s.: medial segment; dt.s.: distal segment." figureDoi-0="http://doi.org/10.5281/zenodo.7624249" figureDoi-1="http://doi.org/10.5281/zenodo.7624251" figureDoi-2="http://doi.org/10.5281/zenodo.7624253" figureDoi-3="http://doi.org/10.5281/zenodo.7624257" figureDoi-4="http://doi.org/10.5281/zenodo.7624259" figureDoi-5="http://doi.org/10.5281/zenodo.7624261" httpUri-0="https://zenodo.org/record/7624249/files/figure.png" httpUri-1="https://zenodo.org/record/7624251/files/figure.png" httpUri-2="https://zenodo.org/record/7624253/files/figure.png" httpUri-3="https://zenodo.org/record/7624257/files/figure.png" httpUri-4="https://zenodo.org/record/7624259/files/figure.png" httpUri-5="https://zenodo.org/record/7624261/files/figure.png" pageId="1" pageNumber="248">Figs. 1–46</figureCitation>
,
<figureCitation box="[293,407,1015,1041]" captionStart="FIGURES 91–96" captionStartId="12.[152,270,1938,1962]" captionTargetBox="[228,1360,741,1915]" captionTargetId="figure-276@12.[228,1360,741,1915]" captionTargetPageId="12" captionText="FIGURES 91–96. Metathoracic legs. 91, 93, Xenogaster kypomoleia sp. nov.; 92, 94, X. pseudonuda sp. nov; 95, detail of last tarsomeres of X. kymopoleia and 96, X. pseudonuda. Division line of 4th and 5th tarsal segment indicated by arrow. Scale bars = 100 µm (91, 92); 20 µm (93, 94); 10 µm (95, 96)." figureDoi="http://doi.org/10.5281/zenodo.7624283" httpUri="https://zenodo.org/record/7624283/files/figure.png" pageId="1" pageNumber="248">92, 94, 96</figureCitation>
,
<figureCitation box="[419,449,1015,1041]" captionStart="FIGURES 97" captionStartId="13.[152,270,1553,1577]" captionTargetBox="[188,1437,185,1529]" captionTargetId="figure-15@13.[151,1437,181,1529]" captionTargetPageId="13" captionText="FIGURES 97. Labial complex of Xenogaster pseudonuda sp. nov. Abbreviations = as: apical sensilla; asp: apical spiniform sensilla; ds: distal seta of prementum; lb: lobe; lg: ligula." figureDoi="http://doi.org/10.5281/zenodo.7624287" httpUri="https://zenodo.org/record/7624287/files/figure.png" pageId="1" pageNumber="248">97</figureCitation>
,
<figureCitation box="[461,491,1015,1041]" captionStart="FIGURES 98–99" captionStartId="14.[152,270,1527,1551]" captionTargetBox="[157,1436,561,1494]" captionTargetId="figure-198@14.[151,1436,561,1504]" captionTargetPageId="14" captionText="FIGURES 98–99. 98, postmentum of Xenogaster pseudonuda sp. nov; 99, postmentum of Xenogaster kymopoleia, sp. nov. Abbreviations = ap: apical bristles." figureDoi="http://doi.org/10.5281/zenodo.7624289" httpUri="https://zenodo.org/record/7624289/files/figure.png" pageId="1" pageNumber="248">99</figureCitation>
,
<figureCitation box="[503,546,1015,1041]" captionStart="FIGURE 100" captionStartId="15.[152,255,1163,1187]" captionTargetId="figure-15@15.[151,1436,181,1139]" captionTargetPageId="15" captionText="FIGURE 100. Sensilla on antennomere III of Xenogaster pseudonuda sp. nov." figureDoi="http://doi.org/10.5281/zenodo.7636547" httpUri="https://zenodo.org/record/7636547/files/figure.png" pageId="1" pageNumber="248">100</figureCitation>
)
</paragraph>
</subSubSection>
<subSubSection pageId="1" pageNumber="248" type="materials_examined">
<paragraph blockId="1.[151,1437,1086,2015]" pageId="1" pageNumber="248">
<emphasis bold="true" box="[151,323,1086,1113]" pageId="1" pageNumber="248">Type material.</emphasis>
<materialsCitation collectingDate="1982-06-28" collectingDateMax="1982-06-30" collectingDateMin="1982-06-28" collectionCode="MZUSP" collectorName="Vanin, S. A. &amp; Costa C." country="Brazil" location="Paulo" pageId="1" pageNumber="248" specimenCode="MZUSP 21360" specimenCount="1" typeStatus="holotype">
<emphasis bold="true" box="[328,487,1086,1112]" pageId="1" pageNumber="248">
<typeStatus box="[328,487,1086,1112]" pageId="1" pageNumber="248">HOLOTYPE</typeStatus>
</emphasis>
, male.
<collectingCountry box="[564,670,1087,1113]" name="Brazil" pageId="1" pageNumber="248">BRAZIL</collectingCountry>
: “Peruíbe—S„o
<location LSID="urn:lsid:plazi:treatment:03ECC457FFE64041FF4AFC67FE4FFEF9:8E9A239AFFE64047FC8EFB8BFC5DFBE1" box="[851,918,1087,1113]" country="Brazil" name="Paulo" pageId="1" pageNumber="248">Paulo</location>
;
<date box="[927,1100,1087,1113]" pageId="1" pageNumber="248" value="1982-06-28" valueMax="1982-06-30" valueMin="1982-06-28">
<collectingDate box="[927,1100,1087,1113]" pageId="1" pageNumber="248" value="1982-06-28" valueMax="1982-06-30" valueMin="1982-06-28">28–30.VI.1982</collectingDate>
</date>
;
<collectorName box="[1109,1240,1087,1113]" pageId="1" pageNumber="248">Vanin, S. A.</collectorName>
&amp;
<collectorName box="[1271,1367,1087,1113]" pageId="1" pageNumber="248">Costa C.</collectorName>
, cols., in alcohol 70%” (
<specimenCode box="[354,532,1123,1149]" collectionCode="MZUSP" country="Brazil" httpUri="http://grbio.org/cool/6yx0-3nm7" name="Museu de Zoologia da Universidade de Sao Paulo" pageId="1" pageNumber="248">MZUSP 21360</specimenCode>
)
</materialsCitation>
.
<materialsCitation collectingDate="1982-06-28" collectingDateMax="1982-06-30" collectingDateMin="1982-06-28" collectionCode="MZUSP" collectorName="Vanin, S. A. &amp; Costa C." country="Brazil" location="Paulo" pageId="1" pageNumber="248" specimenCode="MZUSP 21361" specimenCount="1" specimenCount-female="1" typeStatus="paratype">
<emphasis bold="true" box="[553,701,1122,1148]" pageId="1" pageNumber="248">
<typeStatus box="[553,701,1122,1148]" pageId="1" pageNumber="248">PARATYPE</typeStatus>
</emphasis>
,
<specimenCount box="[717,819,1123,1149]" pageId="1" pageNumber="248" type="female">1 female</specimenCount>
, same data as holotype (dissected on slides) (
<specimenCode collectionCode="MZUSP" country="Brazil" httpUri="http://grbio.org/cool/6yx0-3nm7" name="Museu de Zoologia da Universidade de Sao Paulo" pageId="1" pageNumber="248">MZUSP 21361</specimenCode>
)
</materialsCitation>
.
</paragraph>
<paragraph blockId="1.[151,1437,1086,2015]" box="[199,588,1195,1221]" pageId="1" pageNumber="248">
Male: Length ~3.4 mm (
<figureCitation box="[474,579,1195,1221]" captionStart="FIGURES 1–3" captionStartId="2.[152,270,1456,1480]" captionTargetBox="[151,1436,378,1430]" captionTargetId="figure-122@2.[151,1436,378,1430]" captionTargetPageId="2" captionText="FIGURES 1–3. Xenogaster pseudonuda sp. nov., holotype male. Habitus (elytra missing). 1, lateral; 2, ventral, 3, dorsal. Scale bars = 0,85 mm." figureDoi="http://doi.org/10.5281/zenodo.7624249" httpUri="https://zenodo.org/record/7624249/files/figure.png" pageId="1" pageNumber="248">Figs. 1–3</figureCitation>
)
</paragraph>
<paragraph blockId="1.[151,1437,1086,2015]" box="[199,613,1231,1257]" pageId="1" pageNumber="248">
Female: Length ~3.6 mm (
<figureCitation box="[499,605,1231,1257]" captionStart="FIGURES 4–6" captionStartId="3.[152,270,1493,1517]" captionTargetBox="[151,1436,489,1469]" captionTargetId="figure-156@3.[151,1436,489,1469]" captionTargetPageId="3" captionText="FIGURES 4–6. Xenogaster pseudonuda sp. nov., paratype female. Habitus.4, lateral; 5, ventral, 6, dorsal. Scale bars = 0,9 mm." figureDoi="http://doi.org/10.5281/zenodo.7624251" httpUri="https://zenodo.org/record/7624251/files/figure.png" pageId="1" pageNumber="248">Figs. 4–6</figureCitation>
)
</paragraph>
</subSubSection>
<subSubSection lastPageId="7" lastPageNumber="254" pageId="1" pageNumber="248" type="diagnosis">
<paragraph blockId="1.[151,1437,1086,2015]" pageId="1" pageNumber="248">
<emphasis bold="true" box="[199,322,1266,1292]" pageId="1" pageNumber="248">Diagnosis.</emphasis>
Similar to
<taxonomicName authority="Seevers, 1957" authorityName="Seevers" authorityYear="1957" box="[460,868,1266,1293]" class="Insecta" family="Staphylinidae" genus="Xenogaster" kingdom="Animalia" order="Coleoptera" pageId="1" pageNumber="248" phylum="Arthropoda" rank="species" species="subnuda">
<emphasis box="[460,695,1267,1293]" italics="true" pageId="1" pageNumber="248">Xenogaster subnuda</emphasis>
<bibRefCitation author="Seevers, C. H." box="[706,868,1266,1293]" pageId="1" pageNumber="248" refId="ref7769" refString="Seevers, C. H. (1957) A monograph on the termitophilous Staphylinidae (Coleoptera). Chicago Natural History Museum, Chicago, Illinois, 334 pp. https: // doi. org / 10.5962 / bhl. title. 3797" type="book" year="1957">Seevers, 1957</bibRefCitation>
</taxonomicName>
through the general aspect but distinguished by slightly convex frons, deflexed clypeus, and differences in male genitalia (
<figureCitation box="[1000,1140,1303,1329]" captionStart="FIGURES 43–46" captionStartId="6.[152,270,1908,1932]" captionTargetBox="[263,1325,187,1871]" captionTargetId="figure-22@6.[262,1325,181,1884]" captionTargetPageId="6" captionText="FIGURES 43–46. Illustrative schemes showing the differences between the genitalia of Xenogaster pseudonuda sp. nov and X. subnuda. 43, aedeagus of X. pseudonuda (dorsal view); 44, aedeagus of X. subnuda (dorsal view), 45, lateral lobe of X. pseudonuda; 46, lateral lobe of X. subnuda. Abbreviations = al: apical lobe; LL: lateral lobe; bc: basal capsule; px.s.: proximal segment; md.s.: medial segment; dt.s.: distal segment." figureDoi="http://doi.org/10.5281/zenodo.7624261" httpUri="https://zenodo.org/record/7624261/files/figure.png" pageId="1" pageNumber="248">Figs. 43–46</figureCitation>
). Differs also by the body brownish yellow, physogastric with membranous areas between tergites and sternites yellowish white.
</paragraph>
<paragraph blockId="1.[151,1437,1086,2015]" lastBlockId="2.[151,1437,151,357]" lastPageId="2" lastPageNumber="249" pageId="1" pageNumber="248">
<emphasis bold="true" box="[199,263,1375,1401]" pageId="1" pageNumber="248">Head</emphasis>
(
<figureCitation box="[278,346,1375,1401]" captionStart="FIGURES 7–34" captionStartId="4.[152,270,1777,1801]" captionTargetBox="[151,1436,381,1754]" captionTargetId="figure-121@4.[151,1436,381,1754]" captionTargetPageId="4" captionText="FIGURES 7–34. Xenogaster pseudonuda sp. nov. 7, head, ventral view; 8, mandibles, dorsal view; mandibular prostheca indicated by arrows; 9, maxilla; 10, labium, dorsal view; 11, labrum, dorsal view; 12, antenna; 13, postmentum, ventral view; 14, meso- and metaventrite, ventral view; 15, scutellum, meso- and metanotum, and abdominal tergite I, dorsal view; 16, endosternite; 17, elytra, dorsal view; 18, prosternum; 19. front leg; 20, hind leg; 21, middle leg; 22, front tarsus; 23, middle tarsus; 24, hind tarsus; 25, tergite VII; 26, sternite VIII (female); 27, tergite VIII (female); 28, tergite IX–X (male); 29, aedeagus, dorsal view; 30, tergite VIII (male); 31, sternite VIII (male); 32, tergite IX–X (female); 33, tergite X (male), 34, spermatheca. Scale bars = 0,025 mm (8, 9, 10, 11); 0,05 mm (22, 23, 24, 32, 33, 34); 0,06 mm (13); 0,075 mm (17, 18, 25, 26, 27, 30, 31); 0,1 mm (7, 12, 14, 15, 16, 19, 20, 21, 28, 29)." figureDoi="http://doi.org/10.5281/zenodo.7624253" httpUri="https://zenodo.org/record/7624253/files/figure.png" pageId="1" pageNumber="248">Fig. 7</figureCitation>
). Slightly longer than wide, parallel at 2/4 median and gradually narrowed anteriad and posteriad, forming rounded posterior angles; dorsal surface of head finely punctuate; frons slightly projected, broadly and weakly arcuate. Clypeus membranous and transverse; slightly deflexed in front of antennal fossae producing a transversal carina between posterior margins of antennal insertions. Gula long, with almost 2/3 of total head length, fused to submentum; gular sutures diverging near the posterior region of the head.Antennae (
<figureCitation box="[1161,1252,1519,1545]" captionStart="FIGURES 7–34" captionStartId="4.[152,270,1777,1801]" captionTargetBox="[151,1436,381,1754]" captionTargetId="figure-121@4.[151,1436,381,1754]" captionTargetPageId="4" captionText="FIGURES 7–34. Xenogaster pseudonuda sp. nov. 7, head, ventral view; 8, mandibles, dorsal view; mandibular prostheca indicated by arrows; 9, maxilla; 10, labium, dorsal view; 11, labrum, dorsal view; 12, antenna; 13, postmentum, ventral view; 14, meso- and metaventrite, ventral view; 15, scutellum, meso- and metanotum, and abdominal tergite I, dorsal view; 16, endosternite; 17, elytra, dorsal view; 18, prosternum; 19. front leg; 20, hind leg; 21, middle leg; 22, front tarsus; 23, middle tarsus; 24, hind tarsus; 25, tergite VII; 26, sternite VIII (female); 27, tergite VIII (female); 28, tergite IX–X (male); 29, aedeagus, dorsal view; 30, tergite VIII (male); 31, sternite VIII (male); 32, tergite IX–X (female); 33, tergite X (male), 34, spermatheca. Scale bars = 0,025 mm (8, 9, 10, 11); 0,05 mm (22, 23, 24, 32, 33, 34); 0,06 mm (13); 0,075 mm (17, 18, 25, 26, 27, 30, 31); 0,1 mm (7, 12, 14, 15, 16, 19, 20, 21, 28, 29)." figureDoi="http://doi.org/10.5281/zenodo.7624253" httpUri="https://zenodo.org/record/7624253/files/figure.png" pageId="1" pageNumber="248">Figs. 12</figureCitation>
,
<figureCitation box="[1261,1304,1519,1545]" captionStart="FIGURE 100" captionStartId="15.[152,255,1163,1187]" captionTargetId="figure-15@15.[151,1436,181,1139]" captionTargetPageId="15" captionText="FIGURE 100. Sensilla on antennomere III of Xenogaster pseudonuda sp. nov." figureDoi="http://doi.org/10.5281/zenodo.7636547" httpUri="https://zenodo.org/record/7636547/files/figure.png" pageId="1" pageNumber="248">100</figureCitation>
) cylindrical with 11 antennomeres; antennomere II longer than wide, narrowed at base, subtriangular, as long as antennomeres IV - X; antennomeres III–IX subquadrate slightly decreasing in length apicad; couples of antennomeres subequal in length: II–III; IV–V; VI–VII; VIII–IX. Antennomeres III and XI bearing one pair of coeloconic sensilla each. Labrum (
<figureCitation box="[258,340,1663,1689]" captionStart="FIGURES 7–34" captionStartId="4.[152,270,1777,1801]" captionTargetBox="[151,1436,381,1754]" captionTargetId="figure-121@4.[151,1436,381,1754]" captionTargetPageId="4" captionText="FIGURES 7–34. Xenogaster pseudonuda sp. nov. 7, head, ventral view; 8, mandibles, dorsal view; mandibular prostheca indicated by arrows; 9, maxilla; 10, labium, dorsal view; 11, labrum, dorsal view; 12, antenna; 13, postmentum, ventral view; 14, meso- and metaventrite, ventral view; 15, scutellum, meso- and metanotum, and abdominal tergite I, dorsal view; 16, endosternite; 17, elytra, dorsal view; 18, prosternum; 19. front leg; 20, hind leg; 21, middle leg; 22, front tarsus; 23, middle tarsus; 24, hind tarsus; 25, tergite VII; 26, sternite VIII (female); 27, tergite VIII (female); 28, tergite IX–X (male); 29, aedeagus, dorsal view; 30, tergite VIII (male); 31, sternite VIII (male); 32, tergite IX–X (female); 33, tergite X (male), 34, spermatheca. Scale bars = 0,025 mm (8, 9, 10, 11); 0,05 mm (22, 23, 24, 32, 33, 34); 0,06 mm (13); 0,075 mm (17, 18, 25, 26, 27, 30, 31); 0,1 mm (7, 12, 14, 15, 16, 19, 20, 21, 28, 29)." figureDoi="http://doi.org/10.5281/zenodo.7624253" httpUri="https://zenodo.org/record/7624253/files/figure.png" pageId="1" pageNumber="248">Fig. 11</figureCitation>
) slightly wider than long, membranous, with two long bristles on posterior margin. Mandibles (
<figureCitation box="[159,228,1699,1725]" captionStart="FIGURES 7–34" captionStartId="4.[152,270,1777,1801]" captionTargetBox="[151,1436,381,1754]" captionTargetId="figure-121@4.[151,1436,381,1754]" captionTargetPageId="4" captionText="FIGURES 7–34. Xenogaster pseudonuda sp. nov. 7, head, ventral view; 8, mandibles, dorsal view; mandibular prostheca indicated by arrows; 9, maxilla; 10, labium, dorsal view; 11, labrum, dorsal view; 12, antenna; 13, postmentum, ventral view; 14, meso- and metaventrite, ventral view; 15, scutellum, meso- and metanotum, and abdominal tergite I, dorsal view; 16, endosternite; 17, elytra, dorsal view; 18, prosternum; 19. front leg; 20, hind leg; 21, middle leg; 22, front tarsus; 23, middle tarsus; 24, hind tarsus; 25, tergite VII; 26, sternite VIII (female); 27, tergite VIII (female); 28, tergite IX–X (male); 29, aedeagus, dorsal view; 30, tergite VIII (male); 31, sternite VIII (male); 32, tergite IX–X (female); 33, tergite X (male), 34, spermatheca. Scale bars = 0,025 mm (8, 9, 10, 11); 0,05 mm (22, 23, 24, 32, 33, 34); 0,06 mm (13); 0,075 mm (17, 18, 25, 26, 27, 30, 31); 0,1 mm (7, 12, 14, 15, 16, 19, 20, 21, 28, 29)." figureDoi="http://doi.org/10.5281/zenodo.7624253" httpUri="https://zenodo.org/record/7624253/files/figure.png" pageId="1" pageNumber="248">Fig. 8</figureCitation>
) symmetrical; each with an apical and subapical tooth; broader at base and slightly narrowed and curved apicad; prostheca membranous, occupying almost the whole mesal length (in fig. 8, indicated by red arrows); dorsal sensitive pores near base. Maxilla (
<figureCitation box="[642,713,1771,1797]" captionStart="FIGURES 7–34" captionStartId="4.[152,270,1777,1801]" captionTargetBox="[151,1436,381,1754]" captionTargetId="figure-121@4.[151,1436,381,1754]" captionTargetPageId="4" captionText="FIGURES 7–34. Xenogaster pseudonuda sp. nov. 7, head, ventral view; 8, mandibles, dorsal view; mandibular prostheca indicated by arrows; 9, maxilla; 10, labium, dorsal view; 11, labrum, dorsal view; 12, antenna; 13, postmentum, ventral view; 14, meso- and metaventrite, ventral view; 15, scutellum, meso- and metanotum, and abdominal tergite I, dorsal view; 16, endosternite; 17, elytra, dorsal view; 18, prosternum; 19. front leg; 20, hind leg; 21, middle leg; 22, front tarsus; 23, middle tarsus; 24, hind tarsus; 25, tergite VII; 26, sternite VIII (female); 27, tergite VIII (female); 28, tergite IX–X (male); 29, aedeagus, dorsal view; 30, tergite VIII (male); 31, sternite VIII (male); 32, tergite IX–X (female); 33, tergite X (male), 34, spermatheca. Scale bars = 0,025 mm (8, 9, 10, 11); 0,05 mm (22, 23, 24, 32, 33, 34); 0,06 mm (13); 0,075 mm (17, 18, 25, 26, 27, 30, 31); 0,1 mm (7, 12, 14, 15, 16, 19, 20, 21, 28, 29)." figureDoi="http://doi.org/10.5281/zenodo.7624253" httpUri="https://zenodo.org/record/7624253/files/figure.png" pageId="1" pageNumber="248">Fig. 9</figureCitation>
) with cardo transverse, subtriangular, rounded laterally; stipes rectangular, longer than wide, almost the same size of galea; lacinia and galea band-like and arcuate, similar in length; lacinia narrow, with a distal comb of bristles across inner margin; distal lobe of galea bearing a thick comb of bristles. Maxillary palpi 4-articulated, arcuated; palpomere I reduced, almost indistinct, ring-like; II elongate, curved, subcylindrical, dilated at apex and gradually narrowing at base; III elongate, oval, slightly narrower than previous, with sparse long bristles; IV elongate, narrow and slightly narrowed apicad. Labial palpi (
<figureCitation box="[1300,1385,1951,1977]" captionStart="FIGURES 7–34" captionStartId="4.[152,270,1777,1801]" captionTargetBox="[151,1436,381,1754]" captionTargetId="figure-121@4.[151,1436,381,1754]" captionTargetPageId="4" captionText="FIGURES 7–34. Xenogaster pseudonuda sp. nov. 7, head, ventral view; 8, mandibles, dorsal view; mandibular prostheca indicated by arrows; 9, maxilla; 10, labium, dorsal view; 11, labrum, dorsal view; 12, antenna; 13, postmentum, ventral view; 14, meso- and metaventrite, ventral view; 15, scutellum, meso- and metanotum, and abdominal tergite I, dorsal view; 16, endosternite; 17, elytra, dorsal view; 18, prosternum; 19. front leg; 20, hind leg; 21, middle leg; 22, front tarsus; 23, middle tarsus; 24, hind tarsus; 25, tergite VII; 26, sternite VIII (female); 27, tergite VIII (female); 28, tergite IX–X (male); 29, aedeagus, dorsal view; 30, tergite VIII (male); 31, sternite VIII (male); 32, tergite IX–X (female); 33, tergite X (male), 34, spermatheca. Scale bars = 0,025 mm (8, 9, 10, 11); 0,05 mm (22, 23, 24, 32, 33, 34); 0,06 mm (13); 0,075 mm (17, 18, 25, 26, 27, 30, 31); 0,1 mm (7, 12, 14, 15, 16, 19, 20, 21, 28, 29)." figureDoi="http://doi.org/10.5281/zenodo.7624253" httpUri="https://zenodo.org/record/7624253/files/figure.png" pageId="1" pageNumber="248">Fig. 10</figureCitation>
,
<figureCitation box="[1399,1428,1951,1977]" captionStart="FIGURES 97" captionStartId="13.[152,270,1553,1577]" captionTargetBox="[188,1437,185,1529]" captionTargetId="figure-15@13.[151,1437,181,1529]" captionTargetPageId="13" captionText="FIGURES 97. Labial complex of Xenogaster pseudonuda sp. nov. Abbreviations = as: apical sensilla; asp: apical spiniform sensilla; ds: distal seta of prementum; lb: lobe; lg: ligula." figureDoi="http://doi.org/10.5281/zenodo.7624287" httpUri="https://zenodo.org/record/7624287/files/figure.png" pageId="1" pageNumber="248">97</figureCitation>
) 3-articulated; palpomere I elongate, cylindrical; II almost as long as wide, about ½ of the length of palpomere I, with setulae
<emphasis box="[291,303,151,176]" italics="true" pageId="2" pageNumber="249">e</emphasis>
and
<emphasis box="[357,365,151,177]" italics="true" pageId="2" pageNumber="249">f</emphasis>
present; III elongate, cylindrical, narrower and longer than previous, with apical sensilla at apex (
<emphasis box="[161,186,187,212]" italics="true" pageId="2" pageNumber="249">as</emphasis>
). Ligula (
<figureCitation box="[302,385,187,213]" captionStart="FIGURES 97" captionStartId="13.[152,270,1553,1577]" captionTargetBox="[188,1437,185,1529]" captionTargetId="figure-15@13.[151,1437,181,1529]" captionTargetPageId="13" captionText="FIGURES 97. Labial complex of Xenogaster pseudonuda sp. nov. Abbreviations = as: apical sensilla; asp: apical spiniform sensilla; ds: distal seta of prementum; lb: lobe; lg: ligula." figureDoi="http://doi.org/10.5281/zenodo.7624287" httpUri="https://zenodo.org/record/7624287/files/figure.png" pageId="2" pageNumber="249">Fig. 97</figureCitation>
) prominent and bilobed, each lobe (
<emphasis box="[805,827,187,213]" italics="true" pageId="2" pageNumber="249">lb</emphasis>
) with surface somewhat scale-like; with a digitiform projection between lobes, bearing two apical spiniform sensilla (
<emphasis box="[889,928,223,248]" italics="true" pageId="2" pageNumber="249">asp</emphasis>
). Prementum membranous, short, band-like. Mentum fused to submentum, with lateral margins straight, anterior and posterior angles divergent; a pair of apical bristles (
<emphasis box="[250,278,295,320]" italics="true" pageId="2" pageNumber="249">ap</emphasis>
) on each edge of anterior margin, and a transverse row of short bristles between the apical (
<figureCitation box="[1338,1424,295,321]" captionStart="FIGURES 98–99" captionStartId="14.[152,270,1527,1551]" captionTargetBox="[157,1436,561,1494]" captionTargetId="figure-198@14.[151,1436,561,1504]" captionTargetPageId="14" captionText="FIGURES 98–99. 98, postmentum of Xenogaster pseudonuda sp. nov; 99, postmentum of Xenogaster kymopoleia, sp. nov. Abbreviations = ap: apical bristles." figureDoi="http://doi.org/10.5281/zenodo.7624289" httpUri="https://zenodo.org/record/7624289/files/figure.png" pageId="2" pageNumber="249">Fig. 99</figureCitation>
). Postmentum fused to gula (
<figureCitation box="[458,542,331,357]" captionStart="FIGURES 7–34" captionStartId="4.[152,270,1777,1801]" captionTargetBox="[151,1436,381,1754]" captionTargetId="figure-121@4.[151,1436,381,1754]" captionTargetPageId="4" captionText="FIGURES 7–34. Xenogaster pseudonuda sp. nov. 7, head, ventral view; 8, mandibles, dorsal view; mandibular prostheca indicated by arrows; 9, maxilla; 10, labium, dorsal view; 11, labrum, dorsal view; 12, antenna; 13, postmentum, ventral view; 14, meso- and metaventrite, ventral view; 15, scutellum, meso- and metanotum, and abdominal tergite I, dorsal view; 16, endosternite; 17, elytra, dorsal view; 18, prosternum; 19. front leg; 20, hind leg; 21, middle leg; 22, front tarsus; 23, middle tarsus; 24, hind tarsus; 25, tergite VII; 26, sternite VIII (female); 27, tergite VIII (female); 28, tergite IX–X (male); 29, aedeagus, dorsal view; 30, tergite VIII (male); 31, sternite VIII (male); 32, tergite IX–X (female); 33, tergite X (male), 34, spermatheca. Scale bars = 0,025 mm (8, 9, 10, 11); 0,05 mm (22, 23, 24, 32, 33, 34); 0,06 mm (13); 0,075 mm (17, 18, 25, 26, 27, 30, 31); 0,1 mm (7, 12, 14, 15, 16, 19, 20, 21, 28, 29)." figureDoi="http://doi.org/10.5281/zenodo.7624253" httpUri="https://zenodo.org/record/7624253/files/figure.png" pageId="2" pageNumber="249">Fig. 13</figureCitation>
).
</paragraph>
<caption ID-DOI="http://doi.org/10.5281/zenodo.7624249" ID-Zenodo-Dep="7624249" httpUri="https://zenodo.org/record/7624249/files/figure.png" pageId="2" pageNumber="249" startId="2.[152,270,1456,1480]" targetBox="[151,1436,378,1430]" targetPageId="2">
<paragraph blockId="2.[151,1436,1456,1517]" pageId="2" pageNumber="249">
<emphasis bold="true" box="[152,320,1456,1480]" pageId="2" pageNumber="249">FIGURES 1–3.</emphasis>
<taxonomicName authority="Pires-Silva, 2023" authorityName="Pires-Silva" authorityYear="2023" box="[325,568,1457,1481]" class="Insecta" family="Staphylinidae" genus="Xenogaster" kingdom="Animalia" order="Coleoptera" pageId="2" pageNumber="249" phylum="Arthropoda" rank="species" species="pseudonuda" status="sp. nov.">
<emphasis box="[325,568,1457,1481]" italics="true" pageId="2" pageNumber="249">Xenogaster pseudonuda</emphasis>
</taxonomicName>
<emphasis bold="true" box="[574,654,1457,1481]" pageId="2" pageNumber="249">
<taxonomicNameLabel box="[574,654,1457,1481]" pageId="2" pageNumber="249" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
, holotype male. Habitus (elytra missing). 1, lateral; 2, ventral, 3, dorsal. Scale bars = 0,85 mm.
</paragraph>
</caption>
<paragraph blockId="2.[151,1437,1563,2021]" lastBlockId="3.[151,1437,151,465]" lastPageId="3" lastPageNumber="250" pageId="2" pageNumber="249">
<emphasis bold="true" box="[199,321,1563,1589]" pageId="2" pageNumber="249">Prothorax</emphasis>
(
<figureCitation box="[334,413,1563,1589]" captionStart="FIGURES 7–34" captionStartId="4.[152,270,1777,1801]" captionTargetBox="[151,1436,381,1754]" captionTargetId="figure-121@4.[151,1436,381,1754]" captionTargetPageId="4" captionText="FIGURES 7–34. Xenogaster pseudonuda sp. nov. 7, head, ventral view; 8, mandibles, dorsal view; mandibular prostheca indicated by arrows; 9, maxilla; 10, labium, dorsal view; 11, labrum, dorsal view; 12, antenna; 13, postmentum, ventral view; 14, meso- and metaventrite, ventral view; 15, scutellum, meso- and metanotum, and abdominal tergite I, dorsal view; 16, endosternite; 17, elytra, dorsal view; 18, prosternum; 19. front leg; 20, hind leg; 21, middle leg; 22, front tarsus; 23, middle tarsus; 24, hind tarsus; 25, tergite VII; 26, sternite VIII (female); 27, tergite VIII (female); 28, tergite IX–X (male); 29, aedeagus, dorsal view; 30, tergite VIII (male); 31, sternite VIII (male); 32, tergite IX–X (female); 33, tergite X (male), 34, spermatheca. Scale bars = 0,025 mm (8, 9, 10, 11); 0,05 mm (22, 23, 24, 32, 33, 34); 0,06 mm (13); 0,075 mm (17, 18, 25, 26, 27, 30, 31); 0,1 mm (7, 12, 14, 15, 16, 19, 20, 21, 28, 29)." figureDoi="http://doi.org/10.5281/zenodo.7624253" httpUri="https://zenodo.org/record/7624253/files/figure.png" pageId="2" pageNumber="249">Fig.18</figureCitation>
,
<figureCitation box="[422,496,1563,1590]" captionStart="FIGURES 35–38" captionStartId="5.[152,270,1006,1030]" captionTargetBox="[212,1376,181,982]" captionTargetId="figure-15@5.[212,1376,181,982]" captionTargetPageId="5" captionText="FIGURES 35–38. Xenogaster pseudonuda sp. nov. 35, pronotum (dorsal); 36, detail of lateral margins; 37, microsetae on pronotal disc; 38, details of outer border of lateral margin. White arrows point to a fallen bristle. Scale bars = 3 µm (35), 10 µm (36, 37, 38)." figureDoi="http://doi.org/10.5281/zenodo.7624257" httpUri="https://zenodo.org/record/7624257/files/figure.png" pageId="2" pageNumber="249">35–38</figureCitation>
).Pronotum subquadrate, with anterior and posterior margins parallel; slightly elevated on its posterior region, which is slightly arcuate with rounded angles. Pronotal disc broadly and deeply impressed; impression rosacea-like formed by geometric irregular petals, marginated by micropunctuation, each with a short stout bristle. Brownish-yellow with lateral margins darker; strongly punctate, giving an impression of a different texture. Pronotum irregularly grooved longitudinally forming elevations; lateral margins of pronotum rounded and downwardly directed; three bristles longitudinally distributed on each side of lateral margins. Meso- metathorax (
<figureCitation box="[159,244,1779,1805]" captionStart="FIGURES 7–34" captionStartId="4.[152,270,1777,1801]" captionTargetBox="[151,1436,381,1754]" captionTargetId="figure-121@4.[151,1436,381,1754]" captionTargetPageId="4" captionText="FIGURES 7–34. Xenogaster pseudonuda sp. nov. 7, head, ventral view; 8, mandibles, dorsal view; mandibular prostheca indicated by arrows; 9, maxilla; 10, labium, dorsal view; 11, labrum, dorsal view; 12, antenna; 13, postmentum, ventral view; 14, meso- and metaventrite, ventral view; 15, scutellum, meso- and metanotum, and abdominal tergite I, dorsal view; 16, endosternite; 17, elytra, dorsal view; 18, prosternum; 19. front leg; 20, hind leg; 21, middle leg; 22, front tarsus; 23, middle tarsus; 24, hind tarsus; 25, tergite VII; 26, sternite VIII (female); 27, tergite VIII (female); 28, tergite IX–X (male); 29, aedeagus, dorsal view; 30, tergite VIII (male); 31, sternite VIII (male); 32, tergite IX–X (female); 33, tergite X (male), 34, spermatheca. Scale bars = 0,025 mm (8, 9, 10, 11); 0,05 mm (22, 23, 24, 32, 33, 34); 0,06 mm (13); 0,075 mm (17, 18, 25, 26, 27, 30, 31); 0,1 mm (7, 12, 14, 15, 16, 19, 20, 21, 28, 29)." figureDoi="http://doi.org/10.5281/zenodo.7624253" httpUri="https://zenodo.org/record/7624253/files/figure.png" pageId="2" pageNumber="249">Fig. 14</figureCitation>
) weakly sclerotized, bearing a pair of bristles symmetrically placed on anterior margin, lateral margins finely punctuated (in fig. 14, punctuate area marked by arrows). Metendosternite (
<figureCitation box="[1096,1179,1815,1841]" captionStart="FIGURES 7–34" captionStartId="4.[152,270,1777,1801]" captionTargetBox="[151,1436,381,1754]" captionTargetId="figure-121@4.[151,1436,381,1754]" captionTargetPageId="4" captionText="FIGURES 7–34. Xenogaster pseudonuda sp. nov. 7, head, ventral view; 8, mandibles, dorsal view; mandibular prostheca indicated by arrows; 9, maxilla; 10, labium, dorsal view; 11, labrum, dorsal view; 12, antenna; 13, postmentum, ventral view; 14, meso- and metaventrite, ventral view; 15, scutellum, meso- and metanotum, and abdominal tergite I, dorsal view; 16, endosternite; 17, elytra, dorsal view; 18, prosternum; 19. front leg; 20, hind leg; 21, middle leg; 22, front tarsus; 23, middle tarsus; 24, hind tarsus; 25, tergite VII; 26, sternite VIII (female); 27, tergite VIII (female); 28, tergite IX–X (male); 29, aedeagus, dorsal view; 30, tergite VIII (male); 31, sternite VIII (male); 32, tergite IX–X (female); 33, tergite X (male), 34, spermatheca. Scale bars = 0,025 mm (8, 9, 10, 11); 0,05 mm (22, 23, 24, 32, 33, 34); 0,06 mm (13); 0,075 mm (17, 18, 25, 26, 27, 30, 31); 0,1 mm (7, 12, 14, 15, 16, 19, 20, 21, 28, 29)." figureDoi="http://doi.org/10.5281/zenodo.7624253" httpUri="https://zenodo.org/record/7624253/files/figure.png" pageId="2" pageNumber="249">Fig. 16</figureCitation>
) Y-shaped, basal stalk bilobed at base; fucal arms parallel, not reaching mesocoxal margins. Scutellum (
<figureCitation box="[1051,1131,1851,1878]" captionStart="FIGURES 7–34" captionStartId="4.[152,270,1777,1801]" captionTargetBox="[151,1436,381,1754]" captionTargetId="figure-121@4.[151,1436,381,1754]" captionTargetPageId="4" captionText="FIGURES 7–34. Xenogaster pseudonuda sp. nov. 7, head, ventral view; 8, mandibles, dorsal view; mandibular prostheca indicated by arrows; 9, maxilla; 10, labium, dorsal view; 11, labrum, dorsal view; 12, antenna; 13, postmentum, ventral view; 14, meso- and metaventrite, ventral view; 15, scutellum, meso- and metanotum, and abdominal tergite I, dorsal view; 16, endosternite; 17, elytra, dorsal view; 18, prosternum; 19. front leg; 20, hind leg; 21, middle leg; 22, front tarsus; 23, middle tarsus; 24, hind tarsus; 25, tergite VII; 26, sternite VIII (female); 27, tergite VIII (female); 28, tergite IX–X (male); 29, aedeagus, dorsal view; 30, tergite VIII (male); 31, sternite VIII (male); 32, tergite IX–X (female); 33, tergite X (male), 34, spermatheca. Scale bars = 0,025 mm (8, 9, 10, 11); 0,05 mm (22, 23, 24, 32, 33, 34); 0,06 mm (13); 0,075 mm (17, 18, 25, 26, 27, 30, 31); 0,1 mm (7, 12, 14, 15, 16, 19, 20, 21, 28, 29)." figureDoi="http://doi.org/10.5281/zenodo.7624253" httpUri="https://zenodo.org/record/7624253/files/figure.png" pageId="2" pageNumber="249">Fig. 15</figureCitation>
) transverse and trapezoidal with rounded angles. Metanotum membranous, fused to metasternum; longer than metanotum. Wings reduced to stubs (
<figureCitation box="[224,307,1923,1950]" captionStart="FIGURES 7–34" captionStartId="4.[152,270,1777,1801]" captionTargetBox="[151,1436,381,1754]" captionTargetId="figure-121@4.[151,1436,381,1754]" captionTargetPageId="4" captionText="FIGURES 7–34. Xenogaster pseudonuda sp. nov. 7, head, ventral view; 8, mandibles, dorsal view; mandibular prostheca indicated by arrows; 9, maxilla; 10, labium, dorsal view; 11, labrum, dorsal view; 12, antenna; 13, postmentum, ventral view; 14, meso- and metaventrite, ventral view; 15, scutellum, meso- and metanotum, and abdominal tergite I, dorsal view; 16, endosternite; 17, elytra, dorsal view; 18, prosternum; 19. front leg; 20, hind leg; 21, middle leg; 22, front tarsus; 23, middle tarsus; 24, hind tarsus; 25, tergite VII; 26, sternite VIII (female); 27, tergite VIII (female); 28, tergite IX–X (male); 29, aedeagus, dorsal view; 30, tergite VIII (male); 31, sternite VIII (male); 32, tergite IX–X (female); 33, tergite X (male), 34, spermatheca. Scale bars = 0,025 mm (8, 9, 10, 11); 0,05 mm (22, 23, 24, 32, 33, 34); 0,06 mm (13); 0,075 mm (17, 18, 25, 26, 27, 30, 31); 0,1 mm (7, 12, 14, 15, 16, 19, 20, 21, 28, 29)." figureDoi="http://doi.org/10.5281/zenodo.7624253" httpUri="https://zenodo.org/record/7624253/files/figure.png" pageId="2" pageNumber="249">Fig. 15</figureCitation>
). Elytra (
<figureCitation box="[411,504,1923,1949]" captionStart="FIGURES 7–34" captionStartId="4.[152,270,1777,1801]" captionTargetBox="[151,1436,381,1754]" captionTargetId="figure-121@4.[151,1436,381,1754]" captionTargetPageId="4" captionText="FIGURES 7–34. Xenogaster pseudonuda sp. nov. 7, head, ventral view; 8, mandibles, dorsal view; mandibular prostheca indicated by arrows; 9, maxilla; 10, labium, dorsal view; 11, labrum, dorsal view; 12, antenna; 13, postmentum, ventral view; 14, meso- and metaventrite, ventral view; 15, scutellum, meso- and metanotum, and abdominal tergite I, dorsal view; 16, endosternite; 17, elytra, dorsal view; 18, prosternum; 19. front leg; 20, hind leg; 21, middle leg; 22, front tarsus; 23, middle tarsus; 24, hind tarsus; 25, tergite VII; 26, sternite VIII (female); 27, tergite VIII (female); 28, tergite IX–X (male); 29, aedeagus, dorsal view; 30, tergite VIII (male); 31, sternite VIII (male); 32, tergite IX–X (female); 33, tergite X (male), 34, spermatheca. Scale bars = 0,025 mm (8, 9, 10, 11); 0,05 mm (22, 23, 24, 32, 33, 34); 0,06 mm (13); 0,075 mm (17, 18, 25, 26, 27, 30, 31); 0,1 mm (7, 12, 14, 15, 16, 19, 20, 21, 28, 29)." figureDoi="http://doi.org/10.5281/zenodo.7624253" httpUri="https://zenodo.org/record/7624253/files/figure.png" pageId="2" pageNumber="249">Figs. 17</figureCitation>
,
<figureCitation box="[516,588,1923,1949]" captionStart="FIGURES 39–42" captionStartId="5.[152,270,1961,1985]" captionTargetBox="[204,1384,1127,1938]" captionTargetId="figure-66@5.[204,1384,1127,1938]" captionTargetPageId="5" captionText="FIGURES 39–42. Xenogaster pseudonuda sp. nov. 39, elytra (dorsal); 40, detail of apex of anterior region; 41, detail of small bristles near lateral margins; 42, detail of long bristle of elytra. Scale bars = 3 µm (42); 10 µm (40, 41); 30 µm (39)." figureDoi="http://doi.org/10.5281/zenodo.7624259" httpUri="https://zenodo.org/record/7624259/files/figure.png" pageId="2" pageNumber="249">39–42</figureCitation>
) elongate, slightly wider on posterior region, forming rounded angles; clear ferruginous, outer margins longer and darker; densely punctuated, with a grainy appearance; anterior and posterior margins declivous and convergent; inner margins separated completely from behind scutellum to apices; anterior margin with a single long bristle near apex; rosacea-like formed by scales-like intertwined with short bristles. Legs (
<figureCitation box="[159,297,187,213]" captionStart="FIGURES 7–34" captionStartId="4.[152,270,1777,1801]" captionTargetBox="[151,1436,381,1754]" captionTargetId="figure-121@4.[151,1436,381,1754]" captionTargetPageId="4" captionText="FIGURES 7–34. Xenogaster pseudonuda sp. nov. 7, head, ventral view; 8, mandibles, dorsal view; mandibular prostheca indicated by arrows; 9, maxilla; 10, labium, dorsal view; 11, labrum, dorsal view; 12, antenna; 13, postmentum, ventral view; 14, meso- and metaventrite, ventral view; 15, scutellum, meso- and metanotum, and abdominal tergite I, dorsal view; 16, endosternite; 17, elytra, dorsal view; 18, prosternum; 19. front leg; 20, hind leg; 21, middle leg; 22, front tarsus; 23, middle tarsus; 24, hind tarsus; 25, tergite VII; 26, sternite VIII (female); 27, tergite VIII (female); 28, tergite IX–X (male); 29, aedeagus, dorsal view; 30, tergite VIII (male); 31, sternite VIII (male); 32, tergite IX–X (female); 33, tergite X (male), 34, spermatheca. Scale bars = 0,025 mm (8, 9, 10, 11); 0,05 mm (22, 23, 24, 32, 33, 34); 0,06 mm (13); 0,075 mm (17, 18, 25, 26, 27, 30, 31); 0,1 mm (7, 12, 14, 15, 16, 19, 20, 21, 28, 29)." figureDoi="http://doi.org/10.5281/zenodo.7624253" httpUri="https://zenodo.org/record/7624253/files/figure.png" pageId="3" pageNumber="250">Figs. 19–21</figureCitation>
). Procoxae longer and subtrapezoideal, mesocoxae oval, and metacoxae triangular. Femora elongated and cylindrical, with inner margins almost straight; tibia slightly narrower and almost the same length as the femur, covered with short bristles along the whole surface; mesotrochanter slightly longer than protrocanter; metatrochanter the longest, bearing a single long bristle (
<figureCitation box="[612,696,295,321]" captionStart="FIGURES 7–34" captionStartId="4.[152,270,1777,1801]" captionTargetBox="[151,1436,381,1754]" captionTargetId="figure-121@4.[151,1436,381,1754]" captionTargetPageId="4" captionText="FIGURES 7–34. Xenogaster pseudonuda sp. nov. 7, head, ventral view; 8, mandibles, dorsal view; mandibular prostheca indicated by arrows; 9, maxilla; 10, labium, dorsal view; 11, labrum, dorsal view; 12, antenna; 13, postmentum, ventral view; 14, meso- and metaventrite, ventral view; 15, scutellum, meso- and metanotum, and abdominal tergite I, dorsal view; 16, endosternite; 17, elytra, dorsal view; 18, prosternum; 19. front leg; 20, hind leg; 21, middle leg; 22, front tarsus; 23, middle tarsus; 24, hind tarsus; 25, tergite VII; 26, sternite VIII (female); 27, tergite VIII (female); 28, tergite IX–X (male); 29, aedeagus, dorsal view; 30, tergite VIII (male); 31, sternite VIII (male); 32, tergite IX–X (female); 33, tergite X (male), 34, spermatheca. Scale bars = 0,025 mm (8, 9, 10, 11); 0,05 mm (22, 23, 24, 32, 33, 34); 0,06 mm (13); 0,075 mm (17, 18, 25, 26, 27, 30, 31); 0,1 mm (7, 12, 14, 15, 16, 19, 20, 21, 28, 29)." figureDoi="http://doi.org/10.5281/zenodo.7624253" httpUri="https://zenodo.org/record/7624253/files/figure.png" pageId="3" pageNumber="250">Fig. 20</figureCitation>
). Tarsi (
<figureCitation box="[786,922,295,321]" captionStart="FIGURES 7–34" captionStartId="4.[152,270,1777,1801]" captionTargetBox="[151,1436,381,1754]" captionTargetId="figure-121@4.[151,1436,381,1754]" captionTargetPageId="4" captionText="FIGURES 7–34. Xenogaster pseudonuda sp. nov. 7, head, ventral view; 8, mandibles, dorsal view; mandibular prostheca indicated by arrows; 9, maxilla; 10, labium, dorsal view; 11, labrum, dorsal view; 12, antenna; 13, postmentum, ventral view; 14, meso- and metaventrite, ventral view; 15, scutellum, meso- and metanotum, and abdominal tergite I, dorsal view; 16, endosternite; 17, elytra, dorsal view; 18, prosternum; 19. front leg; 20, hind leg; 21, middle leg; 22, front tarsus; 23, middle tarsus; 24, hind tarsus; 25, tergite VII; 26, sternite VIII (female); 27, tergite VIII (female); 28, tergite IX–X (male); 29, aedeagus, dorsal view; 30, tergite VIII (male); 31, sternite VIII (male); 32, tergite IX–X (female); 33, tergite X (male), 34, spermatheca. Scale bars = 0,025 mm (8, 9, 10, 11); 0,05 mm (22, 23, 24, 32, 33, 34); 0,06 mm (13); 0,075 mm (17, 18, 25, 26, 27, 30, 31); 0,1 mm (7, 12, 14, 15, 16, 19, 20, 21, 28, 29)." figureDoi="http://doi.org/10.5281/zenodo.7624253" httpUri="https://zenodo.org/record/7624253/files/figure.png" pageId="3" pageNumber="250">Figs. 22–24</figureCitation>
,
<figureCitation box="[933,1048,295,321]" captionStart="FIGURES 91–96" captionStartId="12.[152,270,1938,1962]" captionTargetBox="[228,1360,741,1915]" captionTargetId="figure-276@12.[228,1360,741,1915]" captionTargetPageId="12" captionText="FIGURES 91–96. Metathoracic legs. 91, 93, Xenogaster kypomoleia sp. nov.; 92, 94, X. pseudonuda sp. nov; 95, detail of last tarsomeres of X. kymopoleia and 96, X. pseudonuda. Division line of 4th and 5th tarsal segment indicated by arrow. Scale bars = 100 µm (91, 92); 20 µm (93, 94); 10 µm (95, 96)." figureDoi="http://doi.org/10.5281/zenodo.7624283" httpUri="https://zenodo.org/record/7624283/files/figure.png" pageId="3" pageNumber="250">92, 94, 96</figureCitation>
); tarsal formula 5-5-5, with 4
<superScript attach="left" box="[1376,1389,294,308]" fontSize="6" pageId="3" pageNumber="250">th</superScript>
and 5
<superScript attach="left" box="[165,178,330,344]" fontSize="6" pageId="3" pageNumber="250">th</superScript>
tarsomeres almost fused, but presenting a clear line of division between them– (In figs. 92, 94, 96, division line indicated by arrows); first tarsomere of pro- and mesotarsus almost of the same length; first tarsomere of metatarsus longer than the metatarsomeres 2–5 combined; last tarsomere with two unciform claws and a dentiform projection between claws.
</paragraph>
<caption ID-DOI="http://doi.org/10.5281/zenodo.7624251" ID-Zenodo-Dep="7624251" box="[152,1437,1493,1517]" httpUri="https://zenodo.org/record/7624251/files/figure.png" pageId="3" pageNumber="250" startId="3.[152,270,1493,1517]" targetBox="[151,1436,489,1469]" targetPageId="3">
<paragraph blockId="3.[152,1437,1493,1517]" box="[152,1437,1493,1517]" pageId="3" pageNumber="250">
<emphasis bold="true" box="[152,320,1493,1517]" pageId="3" pageNumber="250">FIGURES 4–6.</emphasis>
<taxonomicName authority="Pires-Silva, 2023" authorityName="Pires-Silva" authorityYear="2023" box="[324,567,1493,1517]" class="Insecta" family="Staphylinidae" genus="Xenogaster" kingdom="Animalia" order="Coleoptera" pageId="3" pageNumber="250" phylum="Arthropoda" rank="species" species="pseudonuda" status="sp. nov.">
<emphasis box="[324,567,1493,1517]" italics="true" pageId="3" pageNumber="250">Xenogaster pseudonuda</emphasis>
</taxonomicName>
<emphasis bold="true" box="[572,651,1493,1517]" pageId="3" pageNumber="250">
<taxonomicNameLabel box="[572,651,1493,1517]" pageId="3" pageNumber="250" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
, paratype female. Habitus. 4, lateral; 5, ventral, 6, dorsal. Scale bars = 0,9 mm.
</paragraph>
</caption>
<paragraph blockId="3.[151,1437,1563,2022]" lastBlockId="4.[151,1436,151,357]" lastPageId="4" lastPageNumber="251" pageId="3" pageNumber="250">
<emphasis bold="true" box="[199,316,1563,1589]" pageId="3" pageNumber="250">Abdomen</emphasis>
physogastric with membranous wide areas among sclerites. Tergites and sternites separated by two pairs of paratergites in abdominal segments III–VI; bristles of tergites always on sclerites; inner paratergites sclerotized, subquadrate, outer paratergites narrow. Segment I membranous, reduced, fused to metanotum; segment II with a reduced tergite, shorter than tergite III, and anterior margin emarginate at middle; second sternite transverse, plate-shaped; tergites III–V rectangular; tergite III with anterior margin slightly emarginate at middle; tergites III– VI with one row of bristles; tergite VII (
<figureCitation box="[605,686,1743,1770]" captionStart="FIGURES 7–34" captionStartId="4.[152,270,1777,1801]" captionTargetBox="[151,1436,381,1754]" captionTargetId="figure-121@4.[151,1436,381,1754]" captionTargetPageId="4" captionText="FIGURES 7–34. Xenogaster pseudonuda sp. nov. 7, head, ventral view; 8, mandibles, dorsal view; mandibular prostheca indicated by arrows; 9, maxilla; 10, labium, dorsal view; 11, labrum, dorsal view; 12, antenna; 13, postmentum, ventral view; 14, meso- and metaventrite, ventral view; 15, scutellum, meso- and metanotum, and abdominal tergite I, dorsal view; 16, endosternite; 17, elytra, dorsal view; 18, prosternum; 19. front leg; 20, hind leg; 21, middle leg; 22, front tarsus; 23, middle tarsus; 24, hind tarsus; 25, tergite VII; 26, sternite VIII (female); 27, tergite VIII (female); 28, tergite IX–X (male); 29, aedeagus, dorsal view; 30, tergite VIII (male); 31, sternite VIII (male); 32, tergite IX–X (female); 33, tergite X (male), 34, spermatheca. Scale bars = 0,025 mm (8, 9, 10, 11); 0,05 mm (22, 23, 24, 32, 33, 34); 0,06 mm (13); 0,075 mm (17, 18, 25, 26, 27, 30, 31); 0,1 mm (7, 12, 14, 15, 16, 19, 20, 21, 28, 29)." figureDoi="http://doi.org/10.5281/zenodo.7624253" httpUri="https://zenodo.org/record/7624253/files/figure.png" pageId="3" pageNumber="250">Fig. 25</figureCitation>
) band-like and subtrapezoideal, with posterior margin emarginate; anterior margin straight, with one pair of rounded glandular reservoirs, each widely separated; one row of 4 long bristles in the medial region; finely punctuated in the whole surface; posterior margin marginate by fringe of fine bristles. Tergite VIII (
<figureCitation box="[395,477,1851,1877]" captionStart="FIGURES 7–34" captionStartId="4.[152,270,1777,1801]" captionTargetBox="[151,1436,381,1754]" captionTargetId="figure-121@4.[151,1436,381,1754]" captionTargetPageId="4" captionText="FIGURES 7–34. Xenogaster pseudonuda sp. nov. 7, head, ventral view; 8, mandibles, dorsal view; mandibular prostheca indicated by arrows; 9, maxilla; 10, labium, dorsal view; 11, labrum, dorsal view; 12, antenna; 13, postmentum, ventral view; 14, meso- and metaventrite, ventral view; 15, scutellum, meso- and metanotum, and abdominal tergite I, dorsal view; 16, endosternite; 17, elytra, dorsal view; 18, prosternum; 19. front leg; 20, hind leg; 21, middle leg; 22, front tarsus; 23, middle tarsus; 24, hind tarsus; 25, tergite VII; 26, sternite VIII (female); 27, tergite VIII (female); 28, tergite IX–X (male); 29, aedeagus, dorsal view; 30, tergite VIII (male); 31, sternite VIII (male); 32, tergite IX–X (female); 33, tergite X (male), 34, spermatheca. Scale bars = 0,025 mm (8, 9, 10, 11); 0,05 mm (22, 23, 24, 32, 33, 34); 0,06 mm (13); 0,075 mm (17, 18, 25, 26, 27, 30, 31); 0,1 mm (7, 12, 14, 15, 16, 19, 20, 21, 28, 29)." figureDoi="http://doi.org/10.5281/zenodo.7624253" httpUri="https://zenodo.org/record/7624253/files/figure.png" pageId="3" pageNumber="250">Fig. 27</figureCitation>
, female;
<figureCitation box="[581,663,1851,1877]" captionStart="FIGURES 7–34" captionStartId="4.[152,270,1777,1801]" captionTargetBox="[151,1436,381,1754]" captionTargetId="figure-121@4.[151,1436,381,1754]" captionTargetPageId="4" captionText="FIGURES 7–34. Xenogaster pseudonuda sp. nov. 7, head, ventral view; 8, mandibles, dorsal view; mandibular prostheca indicated by arrows; 9, maxilla; 10, labium, dorsal view; 11, labrum, dorsal view; 12, antenna; 13, postmentum, ventral view; 14, meso- and metaventrite, ventral view; 15, scutellum, meso- and metanotum, and abdominal tergite I, dorsal view; 16, endosternite; 17, elytra, dorsal view; 18, prosternum; 19. front leg; 20, hind leg; 21, middle leg; 22, front tarsus; 23, middle tarsus; 24, hind tarsus; 25, tergite VII; 26, sternite VIII (female); 27, tergite VIII (female); 28, tergite IX–X (male); 29, aedeagus, dorsal view; 30, tergite VIII (male); 31, sternite VIII (male); 32, tergite IX–X (female); 33, tergite X (male), 34, spermatheca. Scale bars = 0,025 mm (8, 9, 10, 11); 0,05 mm (22, 23, 24, 32, 33, 34); 0,06 mm (13); 0,075 mm (17, 18, 25, 26, 27, 30, 31); 0,1 mm (7, 12, 14, 15, 16, 19, 20, 21, 28, 29)." figureDoi="http://doi.org/10.5281/zenodo.7624253" httpUri="https://zenodo.org/record/7624253/files/figure.png" pageId="3" pageNumber="250">Fig. 30</figureCitation>
, male) subquadrate, wider than long; anterior margin straight; lateral margins rounded; posterior margin slightly sinuose; one transversal row of four bristles near posterior margin, symmetrically distributed. Sternite VIII (
<figureCitation box="[618,703,1923,1949]" captionStart="FIGURES 7–34" captionStartId="4.[152,270,1777,1801]" captionTargetBox="[151,1436,381,1754]" captionTargetId="figure-121@4.[151,1436,381,1754]" captionTargetPageId="4" captionText="FIGURES 7–34. Xenogaster pseudonuda sp. nov. 7, head, ventral view; 8, mandibles, dorsal view; mandibular prostheca indicated by arrows; 9, maxilla; 10, labium, dorsal view; 11, labrum, dorsal view; 12, antenna; 13, postmentum, ventral view; 14, meso- and metaventrite, ventral view; 15, scutellum, meso- and metanotum, and abdominal tergite I, dorsal view; 16, endosternite; 17, elytra, dorsal view; 18, prosternum; 19. front leg; 20, hind leg; 21, middle leg; 22, front tarsus; 23, middle tarsus; 24, hind tarsus; 25, tergite VII; 26, sternite VIII (female); 27, tergite VIII (female); 28, tergite IX–X (male); 29, aedeagus, dorsal view; 30, tergite VIII (male); 31, sternite VIII (male); 32, tergite IX–X (female); 33, tergite X (male), 34, spermatheca. Scale bars = 0,025 mm (8, 9, 10, 11); 0,05 mm (22, 23, 24, 32, 33, 34); 0,06 mm (13); 0,075 mm (17, 18, 25, 26, 27, 30, 31); 0,1 mm (7, 12, 14, 15, 16, 19, 20, 21, 28, 29)." figureDoi="http://doi.org/10.5281/zenodo.7624253" httpUri="https://zenodo.org/record/7624253/files/figure.png" pageId="3" pageNumber="250">Fig. 26</figureCitation>
, female;
<figureCitation box="[810,894,1923,1949]" captionStart="FIGURES 7–34" captionStartId="4.[152,270,1777,1801]" captionTargetBox="[151,1436,381,1754]" captionTargetId="figure-121@4.[151,1436,381,1754]" captionTargetPageId="4" captionText="FIGURES 7–34. Xenogaster pseudonuda sp. nov. 7, head, ventral view; 8, mandibles, dorsal view; mandibular prostheca indicated by arrows; 9, maxilla; 10, labium, dorsal view; 11, labrum, dorsal view; 12, antenna; 13, postmentum, ventral view; 14, meso- and metaventrite, ventral view; 15, scutellum, meso- and metanotum, and abdominal tergite I, dorsal view; 16, endosternite; 17, elytra, dorsal view; 18, prosternum; 19. front leg; 20, hind leg; 21, middle leg; 22, front tarsus; 23, middle tarsus; 24, hind tarsus; 25, tergite VII; 26, sternite VIII (female); 27, tergite VIII (female); 28, tergite IX–X (male); 29, aedeagus, dorsal view; 30, tergite VIII (male); 31, sternite VIII (male); 32, tergite IX–X (female); 33, tergite X (male), 34, spermatheca. Scale bars = 0,025 mm (8, 9, 10, 11); 0,05 mm (22, 23, 24, 32, 33, 34); 0,06 mm (13); 0,075 mm (17, 18, 25, 26, 27, 30, 31); 0,1 mm (7, 12, 14, 15, 16, 19, 20, 21, 28, 29)." figureDoi="http://doi.org/10.5281/zenodo.7624253" httpUri="https://zenodo.org/record/7624253/files/figure.png" pageId="3" pageNumber="250">Fig. 31</figureCitation>
, male) with basal margin roundly emarginated, continuous laterally by sclerotized extension on females; and forming short angles in male; transversal row of six bristles near posterior margin symmetrically distributed; sternite IX represented by a pair of hemisternites laterally attached to tergite IX. Tergite IX subtriangular, with two long bristles in a longitudinal row parallel to lateral margin; male sternite IX (
<figureCitation box="[341,421,187,213]" captionStart="FIGURES 7–34" captionStartId="4.[152,270,1777,1801]" captionTargetBox="[151,1436,381,1754]" captionTargetId="figure-121@4.[151,1436,381,1754]" captionTargetPageId="4" captionText="FIGURES 7–34. Xenogaster pseudonuda sp. nov. 7, head, ventral view; 8, mandibles, dorsal view; mandibular prostheca indicated by arrows; 9, maxilla; 10, labium, dorsal view; 11, labrum, dorsal view; 12, antenna; 13, postmentum, ventral view; 14, meso- and metaventrite, ventral view; 15, scutellum, meso- and metanotum, and abdominal tergite I, dorsal view; 16, endosternite; 17, elytra, dorsal view; 18, prosternum; 19. front leg; 20, hind leg; 21, middle leg; 22, front tarsus; 23, middle tarsus; 24, hind tarsus; 25, tergite VII; 26, sternite VIII (female); 27, tergite VIII (female); 28, tergite IX–X (male); 29, aedeagus, dorsal view; 30, tergite VIII (male); 31, sternite VIII (male); 32, tergite IX–X (female); 33, tergite X (male), 34, spermatheca. Scale bars = 0,025 mm (8, 9, 10, 11); 0,05 mm (22, 23, 24, 32, 33, 34); 0,06 mm (13); 0,075 mm (17, 18, 25, 26, 27, 30, 31); 0,1 mm (7, 12, 14, 15, 16, 19, 20, 21, 28, 29)." figureDoi="http://doi.org/10.5281/zenodo.7624253" httpUri="https://zenodo.org/record/7624253/files/figure.png" pageId="4" pageNumber="251">Fig. 28</figureCitation>
) represented by three long extensions (apodemes). Tergite X band-like, fore angles rounded, covered with short bristles and with two transversal rows of long bristles symmetrically distributed parallel to anterior margin. Aedeagus (
<figureCitation box="[464,558,259,285]" captionStart="FIGURES 7–34" captionStartId="4.[152,270,1777,1801]" captionTargetBox="[151,1436,381,1754]" captionTargetId="figure-121@4.[151,1436,381,1754]" captionTargetPageId="4" captionText="FIGURES 7–34. Xenogaster pseudonuda sp. nov. 7, head, ventral view; 8, mandibles, dorsal view; mandibular prostheca indicated by arrows; 9, maxilla; 10, labium, dorsal view; 11, labrum, dorsal view; 12, antenna; 13, postmentum, ventral view; 14, meso- and metaventrite, ventral view; 15, scutellum, meso- and metanotum, and abdominal tergite I, dorsal view; 16, endosternite; 17, elytra, dorsal view; 18, prosternum; 19. front leg; 20, hind leg; 21, middle leg; 22, front tarsus; 23, middle tarsus; 24, hind tarsus; 25, tergite VII; 26, sternite VIII (female); 27, tergite VIII (female); 28, tergite IX–X (male); 29, aedeagus, dorsal view; 30, tergite VIII (male); 31, sternite VIII (male); 32, tergite IX–X (female); 33, tergite X (male), 34, spermatheca. Scale bars = 0,025 mm (8, 9, 10, 11); 0,05 mm (22, 23, 24, 32, 33, 34); 0,06 mm (13); 0,075 mm (17, 18, 25, 26, 27, 30, 31); 0,1 mm (7, 12, 14, 15, 16, 19, 20, 21, 28, 29)." figureDoi="http://doi.org/10.5281/zenodo.7624253" httpUri="https://zenodo.org/record/7624253/files/figure.png" pageId="4" pageNumber="251">Figs. 29</figureCitation>
,
<figureCitation box="[570,599,259,285]" captionStart="FIGURES 43–46" captionStartId="6.[152,270,1908,1932]" captionTargetBox="[263,1325,187,1871]" captionTargetId="figure-22@6.[262,1325,181,1884]" captionTargetPageId="6" captionText="FIGURES 43–46. Illustrative schemes showing the differences between the genitalia of Xenogaster pseudonuda sp. nov and X. subnuda. 43, aedeagus of X. pseudonuda (dorsal view); 44, aedeagus of X. subnuda (dorsal view), 45, lateral lobe of X. pseudonuda; 46, lateral lobe of X. subnuda. Abbreviations = al: apical lobe; LL: lateral lobe; bc: basal capsule; px.s.: proximal segment; md.s.: medial segment; dt.s.: distal segment." figureDoi="http://doi.org/10.5281/zenodo.7624261" httpUri="https://zenodo.org/record/7624261/files/figure.png" pageId="4" pageNumber="251">43</figureCitation>
) piriform, basal capsule broad; apical lobe narrowing apicad; lateral lobes (
<figureCitation box="[159,242,294,321]" captionStart="FIGURES 43–46" captionStartId="6.[152,270,1908,1932]" captionTargetBox="[263,1325,187,1871]" captionTargetId="figure-22@6.[262,1325,181,1884]" captionTargetPageId="6" captionText="FIGURES 43–46. Illustrative schemes showing the differences between the genitalia of Xenogaster pseudonuda sp. nov and X. subnuda. 43, aedeagus of X. pseudonuda (dorsal view); 44, aedeagus of X. subnuda (dorsal view), 45, lateral lobe of X. pseudonuda; 46, lateral lobe of X. subnuda. Abbreviations = al: apical lobe; LL: lateral lobe; bc: basal capsule; px.s.: proximal segment; md.s.: medial segment; dt.s.: distal segment." figureDoi="http://doi.org/10.5281/zenodo.7624261" httpUri="https://zenodo.org/record/7624261/files/figure.png" pageId="4" pageNumber="251">Fig. 45</figureCitation>
) with distal segment short, with four short bristles on apex; medial segment broad and proximal segment narrow and elongate. Spermatheca sclerotized, stem elongated; capsule dilated at apex (
<figureCitation box="[1134,1218,331,357]" captionStart="FIGURES 7–34" captionStartId="4.[152,270,1777,1801]" captionTargetBox="[151,1436,381,1754]" captionTargetId="figure-121@4.[151,1436,381,1754]" captionTargetPageId="4" captionText="FIGURES 7–34. Xenogaster pseudonuda sp. nov. 7, head, ventral view; 8, mandibles, dorsal view; mandibular prostheca indicated by arrows; 9, maxilla; 10, labium, dorsal view; 11, labrum, dorsal view; 12, antenna; 13, postmentum, ventral view; 14, meso- and metaventrite, ventral view; 15, scutellum, meso- and metanotum, and abdominal tergite I, dorsal view; 16, endosternite; 17, elytra, dorsal view; 18, prosternum; 19. front leg; 20, hind leg; 21, middle leg; 22, front tarsus; 23, middle tarsus; 24, hind tarsus; 25, tergite VII; 26, sternite VIII (female); 27, tergite VIII (female); 28, tergite IX–X (male); 29, aedeagus, dorsal view; 30, tergite VIII (male); 31, sternite VIII (male); 32, tergite IX–X (female); 33, tergite X (male), 34, spermatheca. Scale bars = 0,025 mm (8, 9, 10, 11); 0,05 mm (22, 23, 24, 32, 33, 34); 0,06 mm (13); 0,075 mm (17, 18, 25, 26, 27, 30, 31); 0,1 mm (7, 12, 14, 15, 16, 19, 20, 21, 28, 29)." figureDoi="http://doi.org/10.5281/zenodo.7624253" httpUri="https://zenodo.org/record/7624253/files/figure.png" pageId="4" pageNumber="251">Fig. 34</figureCitation>
).
</paragraph>
<caption ID-DOI="http://doi.org/10.5281/zenodo.7624253" ID-Zenodo-Dep="7624253" httpUri="https://zenodo.org/record/7624253/files/figure.png" pageId="4" pageNumber="251" startId="4.[152,270,1777,1801]" targetBox="[151,1436,381,1754]" targetPageId="4">
<paragraph blockId="4.[151,1437,1777,2017]" pageId="4" pageNumber="251">
<emphasis bold="true" box="[152,334,1777,1801]" pageId="4" pageNumber="251">FIGURES 7–34.</emphasis>
<taxonomicName authority="Pires-Silva, 2023" authorityName="Pires-Silva" authorityYear="2023" box="[339,573,1777,1801]" class="Insecta" family="Staphylinidae" genus="Xenogaster" kingdom="Animalia" order="Coleoptera" pageId="4" pageNumber="251" phylum="Arthropoda" rank="species" species="pseudonuda" status="sp. nov.">
<emphasis box="[339,573,1777,1801]" italics="true" pageId="4" pageNumber="251">Xenogaster pseudonuda</emphasis>
</taxonomicName>
<emphasis bold="true" box="[579,655,1777,1801]" pageId="4" pageNumber="251">
<taxonomicNameLabel box="[579,655,1777,1801]" pageId="4" pageNumber="251" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
7, head, ventral view; 8, mandibles, dorsal view; mandibular prostheca indicated by arrows; 9, maxilla; 10, labium, dorsal view; 11, labrum, dorsal view; 12, antenna; 13, postmentum, ventral view; 14, meso- and metaventrite, ventral view; 15, scutellum, meso- and metanotum, and abdominal tergite I, dorsal view; 16, endosternite; 17, elytra, dorsal view; 18, prosternum; 19. front leg; 20, hind leg; 21, middle leg; 22, front tarsus; 23, middle tarsus; 24, hind tarsus; 25, tergite VII; 26, sternite VIII (female); 27, tergite VIII (female); 28, tergite IX–X (male); 29, aedeagus, dorsal view; 30, tergite VIII (male); 31, sternite VIII (male); 32, tergite IX–X (female); 33, tergite X (male), 34, spermatheca. Scale bars = 0,025 mm (8, 9, 10, 11); 0,05 mm (22, 23, 24, 32, 33, 34); 0,06 mm (13); 0,075 mm (17, 18, 25, 26, 27, 30, 31); 0,1 mm (7, 12, 14, 15, 16, 19, 20, 21, 28, 29).
</paragraph>
</caption>
<caption ID-DOI="http://doi.org/10.5281/zenodo.7624257" ID-Zenodo-Dep="7624257" httpUri="https://zenodo.org/record/7624257/files/figure.png" pageId="5" pageNumber="252" startId="5.[152,270,1006,1030]" targetBox="[212,1376,181,982]" targetPageId="5">
<paragraph blockId="5.[151,1436,1006,1103]" pageId="5" pageNumber="252">
<emphasis bold="true" box="[152,349,1006,1030]" pageId="5" pageNumber="252">FIGURES 35–38.</emphasis>
<taxonomicName authority="Pires-Silva, 2023" authorityName="Pires-Silva" authorityYear="2023" box="[357,603,1006,1030]" class="Insecta" family="Staphylinidae" genus="Xenogaster" kingdom="Animalia" order="Coleoptera" pageId="5" pageNumber="252" phylum="Arthropoda" rank="species" species="pseudonuda" status="sp. nov.">
<emphasis box="[357,603,1006,1030]" italics="true" pageId="5" pageNumber="252">Xenogaster pseudonuda</emphasis>
</taxonomicName>
<emphasis bold="true" box="[613,696,1007,1031]" pageId="5" pageNumber="252">
<taxonomicNameLabel box="[613,696,1007,1031]" pageId="5" pageNumber="252" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
35, pronotum (dorsal); 36, detail of lateral margins; 37, microsetae on pronotal disc; 38, details of outer border of lateral margin. White arrows point to a fallen bristle. Scale bars = 3 µm (35), 10 µm (36, 37, 38).
</paragraph>
</caption>
<caption ID-DOI="http://doi.org/10.5281/zenodo.7624259" ID-Zenodo-Dep="7624259" httpUri="https://zenodo.org/record/7624259/files/figure.png" pageId="5" pageNumber="252" startId="5.[152,270,1961,1985]" targetBox="[204,1384,1127,1938]" targetPageId="5">
<paragraph blockId="5.[151,1436,1961,2022]" pageId="5" pageNumber="252">
<emphasis bold="true" box="[152,346,1961,1986]" pageId="5" pageNumber="252">FIGURES 39–42.</emphasis>
<taxonomicName authority="Pires-Silva, 2023" authorityName="Pires-Silva" authorityYear="2023" box="[352,595,1962,1986]" class="Insecta" family="Staphylinidae" genus="Xenogaster" kingdom="Animalia" order="Coleoptera" pageId="5" pageNumber="252" phylum="Arthropoda" rank="species" species="pseudonuda" status="sp. nov.">
<emphasis box="[352,595,1962,1986]" italics="true" pageId="5" pageNumber="252">Xenogaster pseudonuda</emphasis>
</taxonomicName>
<emphasis bold="true" box="[602,682,1962,1986]" pageId="5" pageNumber="252">
<taxonomicNameLabel box="[602,682,1962,1986]" pageId="5" pageNumber="252" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
39, elytra (dorsal); 40, detail of apex of anterior region; 41, detail of small bristles near lateral margins; 42, detail of long bristle of elytra. Scale bars = 3 µm (42); 10 µm (40, 41); 30 µm (39).
</paragraph>
</caption>
<caption ID-DOI="http://doi.org/10.5281/zenodo.7624261" ID-Zenodo-Dep="7624261" httpUri="https://zenodo.org/record/7624261/files/figure.png" pageId="6" pageNumber="253" startId="6.[152,270,1908,1932]" targetBox="[263,1325,187,1871]" targetPageId="6">
<paragraph blockId="6.[151,1437,1908,2041]" pageId="6" pageNumber="253">
<emphasis bold="true" box="[152,347,1908,1932]" pageId="6" pageNumber="253">FIGURES 43–46.</emphasis>
Illustrative schemes showing the differences between the genitalia of
<taxonomicName authority="Pires-Silva, 2023" authorityName="Pires-Silva" authorityYear="2023" box="[1066,1311,1908,1932]" class="Insecta" family="Staphylinidae" genus="Xenogaster" kingdom="Animalia" order="Coleoptera" pageId="6" pageNumber="253" phylum="Arthropoda" rank="species" species="pseudonuda" status="sp. nov">
<emphasis box="[1066,1311,1908,1932]" italics="true" pageId="6" pageNumber="253">Xenogaster pseudonuda</emphasis>
</taxonomicName>
<taxonomicNameLabel box="[1318,1392,1909,1932]" pageId="6" pageNumber="253" rank="species">sp. nov</taxonomicNameLabel>
and
<taxonomicName authorityName="Seevers" authorityYear="1957" box="[151,268,1944,1968]" class="Insecta" family="Staphylinidae" genus="Xenogaster" kingdom="Animalia" order="Coleoptera" pageId="6" pageNumber="253" phylum="Arthropoda" rank="species" species="subnuda">
<emphasis box="[151,268,1944,1968]" italics="true" pageId="6" pageNumber="253">X. subnuda</emphasis>
</taxonomicName>
. 43, aedeagus of
<taxonomicName authorityName="Pires-Silva" authorityYear="2023" box="[455,608,1944,1968]" class="Insecta" family="Staphylinidae" genus="Xenogaster" kingdom="Animalia" order="Coleoptera" pageId="6" pageNumber="253" phylum="Arthropoda" rank="species" species="pseudonuda">
<emphasis box="[455,608,1944,1968]" italics="true" pageId="6" pageNumber="253">X. pseudonuda</emphasis>
</taxonomicName>
(dorsal view); 44, aedeagus of
<taxonomicName authorityName="Seevers" authorityYear="1957" box="[942,1059,1944,1968]" class="Insecta" family="Staphylinidae" genus="Xenogaster" kingdom="Animalia" order="Coleoptera" pageId="6" pageNumber="253" phylum="Arthropoda" rank="species" species="subnuda">
<emphasis box="[942,1059,1944,1968]" italics="true" pageId="6" pageNumber="253">X. subnuda</emphasis>
</taxonomicName>
(dorsal view), 45, lateral lobe of
<taxonomicName authorityName="Pires-Silva" authorityYear="2023" class="Insecta" family="Staphylinidae" genus="Xenogaster" kingdom="Animalia" order="Coleoptera" pageId="6" pageNumber="253" phylum="Arthropoda" rank="species" species="pseudonuda">
<emphasis italics="true" pageId="6" pageNumber="253">X. pseudonuda</emphasis>
</taxonomicName>
; 46, lateral lobe
<emphasis box="[445,586,1980,2005]" italics="true" pageId="6" pageNumber="253">
of
<taxonomicName authorityName="Seevers" authorityYear="1957" box="[472,586,1980,2004]" class="Insecta" family="Staphylinidae" genus="Xenogaster" kingdom="Animalia" order="Coleoptera" pageId="6" pageNumber="253" phylum="Arthropoda" rank="species" species="subnuda">X. subnuda</taxonomicName>
</emphasis>
. Abbreviations = al: apical lobe; LL: lateral lobe; bc: basal capsule; px.s.: proximal segment; md.s.: medial segment; dt.s.: distal segment.
</paragraph>
</caption>
<paragraph blockId="7.[151,1436,150,321]" box="[199,663,150,177]" pageId="7" pageNumber="254">
<emphasis bold="true" box="[199,360,150,176]" pageId="7" pageNumber="254">Type-locality.</emphasis>
<collectingCountry box="[367,439,151,177]" name="Brazil" pageId="7" pageNumber="254">Brazil</collectingCountry>
. S„o Paulo: Peruíbe
</paragraph>
</subSubSection>
<subSubSection pageId="7" pageNumber="254" type="biology_ecology">
<paragraph blockId="7.[151,1436,150,321]" pageId="7" pageNumber="254">
<emphasis bold="true" box="[199,262,187,213]" pageId="7" pageNumber="254">Host.</emphasis>
Beetles were collected inside a nest of
<taxonomicName box="[736,927,187,213]" class="Insecta" family="Termitidae" genus="Nasutitermes" kingdom="Animalia" order="Blattodea" pageId="7" pageNumber="254" phylum="Arthropoda" rank="species" species="undetermined">
<emphasis box="[736,884,187,212]" italics="true" pageId="7" pageNumber="254">Nasutitermes</emphasis>
sp.
</taxonomicName>
in a fallen tree trunk (L. R. Fontes private collection, pers. comm.).
</paragraph>
</subSubSection>
<subSubSection pageId="7" pageNumber="254" type="etymology">
<paragraph blockId="7.[151,1436,150,321]" pageId="7" pageNumber="254">
<emphasis bold="true" box="[199,334,259,285]" pageId="7" pageNumber="254">Etymology.</emphasis>
The specific epithet “
<taxonomicName authorityName="Pires-Silva" authorityYear="2023" box="[582,717,259,285]" class="Insecta" family="Staphylinidae" genus="Xenogaster" kingdom="Animalia" order="Coleoptera" pageId="7" pageNumber="254" phylum="Arthropoda" rank="species" species="pseudonuda">
<emphasis box="[582,717,259,285]" italics="true" pageId="7" pageNumber="254">pseudonuda</emphasis>
</taxonomicName>
” is an allusion to the similarity that the new species shares with
<taxonomicName authorityName="Seevers" authorityYear="1957" box="[151,381,295,321]" class="Insecta" family="Staphylinidae" genus="Xenogaster" kingdom="Animalia" order="Coleoptera" pageId="7" pageNumber="254" phylum="Arthropoda" rank="species" species="subnuda">
<emphasis box="[151,381,295,321]" italics="true" pageId="7" pageNumber="254">Xenogaster subnuda</emphasis>
</taxonomicName>
.
</paragraph>
</subSubSection>
</treatment>
</document>
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