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<document id="EE529EB39FBD33A257E1380D23501A42" ID-DOI="10.11646/zootaxa.1002.1.2" ID-ISSN="1175­5334" ID-Zenodo-Dep="5048588" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" checkinTime="1625103114455" checkinUser="felipe" docAuthor="Ashe, James S." docDate="2005" docId="03E78796FFE8FFCF316CFB53FB0FCA45" docLanguage="en" docName="zt01002p044.pdf" docOrigin="Zootaxa 1002 (1)" docSource="https://biotaxa.org/Zootaxa/article/view/zootaxa.1002.1.2" docStyle="DocumentStyle:FA7E419B012A62B0FC3AC15A186C3DAF.3:Zootaxa.2001-2006.journal_article" docStyleId="FA7E419B012A62B0FC3AC15A186C3DAF" docStyleName="Zootaxa.2001-2006.journal_article" docStyleVersion="3" docTitle="Siagotanyx Ashe 2005, new genus" docType="treatment" docVersion="3" lastPageNumber="26" masterDocId="FFDEFFEEFFECFFC93064FFDFFFAECB1B" masterDocTitle="Three new genera and four new species of aleocharine staphylinids with unusually long mandibles from Australia (Coleoptera: Staphylinidae: Aleocharinae: Homalotini)" masterLastPageNumber="44" masterPageNumber="21" pageNumber="25" updateTime="1698979811357" updateUser="plazi" zenodo-license-document="CLOSED">
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<mods:title id="C310D84B495F91A2AF23411078E3802E">Three new genera and four new species of aleocharine staphylinids with unusually long mandibles from Australia (Coleoptera: Staphylinidae: Aleocharinae: Homalotini)</mods:title>
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<mods:namePart id="A26F5317775EED35DC80FA33B8C2B23B">Ashe, James S.</mods:namePart>
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<mods:date id="7EA40564F76D7FBF7CD029A9DC6375E6">2005</mods:date>
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<treatment id="03E78796FFE8FFCF316CFB53FB0FCA45" ID-DOI="http://doi.org/10.5281/zenodo.5048606" ID-Zenodo-Dep="5048606" LSID="urn:lsid:plazi:treatment:03E78796FFE8FFCF316CFB53FB0FCA45" httpUri="http://treatment.plazi.org/id/03E78796FFE8FFCF316CFB53FB0FCA45" lastPageId="6" lastPageNumber="26" pageId="4" pageNumber="25">
<subSubSection id="C354650BFFE8FFCD316CFB53FDCDCFBD" box="[264,611,1164,1190]" pageId="4" pageNumber="25" type="nomenclature">
<paragraph id="8BF13680FFE8FFCD316CFB53FDCDCFBD" blockId="4.[264,611,1164,1225]" box="[264,611,1164,1190]" pageId="4" pageNumber="25">
<heading id="D0B981ECFFE8FFCD316CFB53FDCDCFBD" bold="true" box="[264,611,1164,1190]" fontSize="11" level="1" pageId="4" pageNumber="25" reason="1">
<emphasis id="B93AEA92FFE8FFCD316CFB53FDCDCFBD" bold="true" box="[264,611,1164,1190]" pageId="4" pageNumber="25">
<taxonomicName id="4C4E4D03FFE8FFCD316CFB53FE78CFBD" ID-CoL="8XPVK" authority="Ashe" authorityName="Ashe" authorityYear="2005" box="[264,470,1164,1190]" class="Insecta" family="Staphylinidae" genus="Siagotanyx" higherTaxonomySource="GBIF" kingdom="Animalia" order="Coleoptera" pageId="4" pageNumber="25" phylum="Arthropoda" rank="genus" status="gen. nov.">
<emphasis id="B93AEA92FFE8FFCD316CFB53FE21CFBD" bold="true" box="[264,399,1164,1190]" italics="true" pageId="4" pageNumber="25">Siagotanyx</emphasis>
Ashe
</taxonomicName>
,
<taxonomicNameLabel id="A20957E9FFE8FFCD3186FB53FDCDCFBD" box="[482,611,1164,1190]" pageId="4" pageNumber="25" rank="genus">new genus</taxonomicNameLabel>
</emphasis>
</heading>
</paragraph>
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<subSubSection id="C354650BFFE8FFCD316CFB70FE6CCFD2" box="[264,450,1199,1225]" pageId="4" pageNumber="25" type="description">
<paragraph id="8BF13680FFE8FFCD316CFB70FE6CCFD2" blockId="4.[264,611,1164,1225]" box="[264,450,1199,1225]" pageId="4" pageNumber="25">
(
<figureCitation id="13752A05FFE8FFCD3175FB70FECACFD2" box="[273,356,1199,1225]" captionStart="FIGURE 2" captionStartId="15.[264,368,1828,1852]" captionTargetBox="[554,1060,325,1778]" captionTargetId="figure-24@15.[526,1060,315,1804]" captionTargetPageId="15" captionText="FIGURE 2. Siagotanyx rufa Ashe, habitus dorsal, length, 2.4 mm." figureDoi="http://doi.org/10.5281/zenodo.5048592" httpUri="https://zenodo.org/record/5048592/files/figure.png" pageId="4" pageNumber="25">Figs. 2</figureCitation>
,
<figureCitation id="13752A05FFE8FFCD3114FB70FE14CFD2" box="[368,442,1199,1225]" captionStart-0="FIGURES 1418" captionStart-1="FIGURES 1924" captionStartId-0="19.[264,383,1773,1797]" captionStartId-1="20.[264,383,1795,1819]" captionTargetBox-0="[289,1297,330,1745]" captionTargetBox-1="[288,1298,330,1768]" captionTargetId-0="figure-50@19.[287,1300,326,1749]" captionTargetId-1="figure-45@20.[285,1302,326,1771]" captionTargetPageId-0="19" captionTargetPageId-1="20" captionText-0="FIGURES 1418. Siagotanyx rufa Ashe. 14, labrum, dorsal aspect. 15, epipharynx. 16, right and left mandibles respectively, ventral aspect. 17, right maxilla, ventral aspect. 18, labium, ventral aspect. Scale bar = 0.1 mm." captionText-1="FIGURES 1924. Siagotanyx rufa Ashe. 19, mentum. 20, antenna. 21, meso­ and metasternum. 22, spermatheca. 23, aedeagus, paramere. 24, aedaegus, median lobe. Scale bar = 0.1 mm." figureDoi-0="http://doi.org/10.5281/zenodo.5048602" figureDoi-1="http://doi.org/10.5281/zenodo.5048604" httpUri-0="https://zenodo.org/record/5048602/files/figure.png" httpUri-1="https://zenodo.org/record/5048604/files/figure.png" pageId="4" pageNumber="25">1424</figureCitation>
)
</paragraph>
</subSubSection>
<subSubSection id="C354650BFFE8FFCD316CFB21FC24CE02" box="[264,906,1278,1305]" pageId="4" pageNumber="25" type="type_taxon">
<paragraph id="8BF13680FFE8FFCD316CFB21FC24CE02" blockId="4.[264,906,1278,1305]" box="[264,906,1278,1305]" pageId="4" pageNumber="25">
<emphasis id="B93AEA92FFE8FFCD316CFB21FE09CE03" bold="true" box="[264,423,1278,1304]" pageId="4" pageNumber="25">
<typeStatus id="54F58822FFE8FFCD316CFB21FEEBCE03" box="[264,325,1278,1304]" pageId="4" pageNumber="25">Type</typeStatus>
Species
</emphasis>
.
<taxonomicName id="4C4E4D03FFE8FFCD31DAFB20FD11CE02" ID-CoL="4X5FT" authority="Ashe" authorityName="Ashe" box="[446,703,1279,1305]" class="Insecta" family="Staphylinidae" genus="Siagotanyx" higherTaxonomySource="GBIF" kingdom="Animalia" order="Coleoptera" pageId="4" pageNumber="25" phylum="Arthropoda" rank="species" species="rufa">
<emphasis id="B93AEA92FFE8FFCD31DAFB20FDD6CE03" box="[446,632,1279,1304]" italics="true" pageId="4" pageNumber="25">Siagotanyx rufa</emphasis>
Ashe
</taxonomicName>
, here designated.
</paragraph>
</subSubSection>
<subSubSection id="C354650BFFE8FFCD316CFA91FD9BCDB2" pageId="4" pageNumber="25" type="diagnosis">
<paragraph id="8BF13680FFE8FFCD316CFA91FD9BCDB2" blockId="4.[264,1323,1358,1905]" pageId="4" pageNumber="25">
<emphasis id="B93AEA92FFE8FFCD316CFA91FE26CE73" bold="true" box="[264,392,1358,1384]" pageId="4" pageNumber="25">Diagnosis.</emphasis>
This genus can be easily recognized by the combination of: 4­4­5 tarsal segmentation; the extremely long mandibles with reduced prostheca, without modification to the internal base or molar area (
<figureCitation id="13752A05FFE8FFCD3218FA40FD7DCEA2" box="[636,723,1439,1465]" captionStart="FIGURES 1418" captionStartId="19.[264,383,1773,1797]" captionTargetBox="[289,1297,330,1745]" captionTargetId="figure-50@19.[287,1300,326,1749]" captionTargetPageId="19" captionText="FIGURES 1418. Siagotanyx rufa Ashe. 14, labrum, dorsal aspect. 15, epipharynx. 16, right and left mandibles respectively, ventral aspect. 17, right maxilla, ventral aspect. 18, labium, ventral aspect. Scale bar = 0.1 mm." figureDoi="http://doi.org/10.5281/zenodo.5048602" httpUri="https://zenodo.org/record/5048602/files/figure.png" pageId="4" pageNumber="25">Fig. 16</figureCitation>
); the transverse labrum with anterior margin emarginate medially, greatly reduced setation, but with one pair of antero­lateral setae extremely long and whip­like (
<figureCitation id="13752A05FFE8FFCD3215FA30FD66CD12" box="[625,712,1519,1545]" captionStart="FIGURES 1418" captionStartId="19.[264,383,1773,1797]" captionTargetBox="[289,1297,330,1745]" captionTargetId="figure-50@19.[287,1300,326,1749]" captionTargetPageId="19" captionText="FIGURES 1418. Siagotanyx rufa Ashe. 14, labrum, dorsal aspect. 15, epipharynx. 16, right and left mandibles respectively, ventral aspect. 17, right maxilla, ventral aspect. 18, labium, ventral aspect. Scale bar = 0.1 mm." figureDoi="http://doi.org/10.5281/zenodo.5048602" httpUri="https://zenodo.org/record/5048602/files/figure.png" pageId="4" pageNumber="25">Fig. 14</figureCitation>
); the distinctive labium (
<figureCitation id="13752A05FFE8FFCD338FFA30FBEFCD12" box="[1003,1089,1519,1545]" captionStart="FIGURES 1418" captionStartId="19.[264,383,1773,1797]" captionTargetBox="[289,1297,330,1745]" captionTargetId="figure-50@19.[287,1300,326,1749]" captionTargetPageId="19" captionText="FIGURES 1418. Siagotanyx rufa Ashe. 14, labrum, dorsal aspect. 15, epipharynx. 16, right and left mandibles respectively, ventral aspect. 17, right maxilla, ventral aspect. 18, labium, ventral aspect. Scale bar = 0.1 mm." figureDoi="http://doi.org/10.5281/zenodo.5048602" httpUri="https://zenodo.org/record/5048602/files/figure.png" pageId="4" pageNumber="25">Fig. 18</figureCitation>
), with ligula deeply divided to near base into 2 narrow, widely separated, pointed lobes, 2 discal setae, bases of discal setae widely separated, and wide but poorly defined medial pseudopore field with numerous pseudopores; and relatively short antenna with antennomeres 4 subquadrate and 510 transverse (
<figureCitation id="13752A05FFE8FFCD31ABF950FD89CDB2" box="[463,551,1679,1705]" captionStart="FIGURES 1924" captionStartId="20.[264,383,1795,1819]" captionTargetBox="[288,1298,330,1768]" captionTargetId="figure-45@20.[285,1302,326,1771]" captionTargetPageId="20" captionText="FIGURES 1924. Siagotanyx rufa Ashe. 19, mentum. 20, antenna. 21, meso­ and metasternum. 22, spermatheca. 23, aedeagus, paramere. 24, aedaegus, median lobe. Scale bar = 0.1 mm." figureDoi="http://doi.org/10.5281/zenodo.5048604" httpUri="https://zenodo.org/record/5048604/files/figure.png" pageId="4" pageNumber="25">Fig. 20</figureCitation>
).
</paragraph>
</subSubSection>
<subSubSection id="C354650BFFE8FFCC315CF969FD93CC3D" lastPageId="5" lastPageNumber="26" pageId="4" pageNumber="25" type="description">
<paragraph id="8BF13680FFE8FFCC315CF969FBFCCAE5" blockId="4.[264,1323,1358,1905]" lastBlockId="5.[264,1325,284,1870]" lastPageId="5" lastPageNumber="26" pageId="4" pageNumber="25">
<emphasis id="B93AEA92FFE8FFCD315CF969FE7ECDCB" bold="true" box="[312,464,1718,1744]" pageId="4" pageNumber="25">Description.</emphasis>
Body generalized, slender, more­or­less parallel­sided, moderately flattened. Length
<quantity id="4CB69B65FFE8FFCD31A7F900FDFCCDE2" box="[451,594,1759,1785]" metricMagnitude="-3" metricUnit="m" metricValue="2.4" metricValueMax="2.5" metricValueMin="2.3" pageId="4" pageNumber="25" unit="mm" value="2.4" valueMax="2.5" valueMin="2.3">2.32.5 mm</quantity>
(known species). Head and prothorax very finely and uniformly covered with fine punctures and short, yellowish microsetae; elytra with moderatesized punctures and uniformly distributed yellowish microsetae; abdominal terga and sterna with longer and more prominent microsetae, uniformly distributed. Body without obvious microsculpture, glossy. Head subquadrate; eyes large, length in dorsal aspect about 0.7 times length of temples behind eye; temples broadly rounded behind eyes to base of head; neck absent; infraorbital carina present, complete, moderately well developed; antennal fossae very near lateral margins of clypeus, separated by lateral margins by less than 1/5 width of fossa. Antenna (
<figureCitation id="13752A05FFE9FFCC32C4FE63FD58CACD" box="[672,758,444,470]" captionStart="FIGURES 1924" captionStartId="20.[264,383,1795,1819]" captionTargetBox="[288,1298,330,1768]" captionTargetId="figure-45@20.[285,1302,326,1771]" captionTargetPageId="20" captionText="FIGURES 1924. Siagotanyx rufa Ashe. 19, mentum. 20, antenna. 21, meso­ and metasternum. 22, spermatheca. 23, aedeagus, paramere. 24, aedaegus, median lobe. Scale bar = 0.1 mm." figureDoi="http://doi.org/10.5281/zenodo.5048604" httpUri="https://zenodo.org/record/5048604/files/figure.png" pageId="5" pageNumber="26">Fig. 20</figureCitation>
) moderately short; known species with article 4 subquadrate, 510 transverse, 11 slightly shorter than 9 and 10 together.
</paragraph>
<paragraph id="8BF13680FFE9FFCC315CFDD3FE2ECF65" blockId="5.[264,1325,284,1870]" pageId="5" pageNumber="26">
Labrum (
<figureCitation id="13752A05FFE9FFCC31CEFDD3FDAAC93D" box="[426,516,524,550]" captionStart="FIGURES 1418" captionStartId="19.[264,383,1773,1797]" captionTargetBox="[289,1297,330,1745]" captionTargetId="figure-50@19.[287,1300,326,1749]" captionTargetPageId="19" captionText="FIGURES 1418. Siagotanyx rufa Ashe. 14, labrum, dorsal aspect. 15, epipharynx. 16, right and left mandibles respectively, ventral aspect. 17, right maxilla, ventral aspect. 18, labium, ventral aspect. Scale bar = 0.1 mm." figureDoi="http://doi.org/10.5281/zenodo.5048602" httpUri="https://zenodo.org/record/5048602/files/figure.png" pageId="5" pageNumber="26">Fig. 14</figureCitation>
) transverse, separated from anterior margin of mentum by broad membranous area; anterior margin emarginate medially; setation reduced except one pair of antero­lateral setae very long and whip­like, oriented posteriorly in preserved specimens. Epipharynx as in
<figureCitation id="13752A05FFE9FFCC324BFD5BFD2BC985" box="[559,645,644,670]" captionStart="FIGURES 1418" captionStartId="19.[264,383,1773,1797]" captionTargetBox="[289,1297,330,1745]" captionTargetId="figure-50@19.[287,1300,326,1749]" captionTargetPageId="19" captionText="FIGURES 1418. Siagotanyx rufa Ashe. 14, labrum, dorsal aspect. 15, epipharynx. 16, right and left mandibles respectively, ventral aspect. 17, right maxilla, ventral aspect. 18, labium, ventral aspect. Scale bar = 0.1 mm." figureDoi="http://doi.org/10.5281/zenodo.5048602" httpUri="https://zenodo.org/record/5048602/files/figure.png" pageId="5" pageNumber="26">Fig. 15</figureCitation>
. Mandibles (
<figureCitation id="13752A05FFE9FFCC3343FD5BFCD3C985" box="[807,893,644,670]" captionStart="FIGURES 1418" captionStartId="19.[264,383,1773,1797]" captionTargetBox="[289,1297,330,1745]" captionTargetId="figure-50@19.[287,1300,326,1749]" captionTargetPageId="19" captionText="FIGURES 1418. Siagotanyx rufa Ashe. 14, labrum, dorsal aspect. 15, epipharynx. 16, right and left mandibles respectively, ventral aspect. 17, right maxilla, ventral aspect. 18, labium, ventral aspect. Scale bar = 0.1 mm." figureDoi="http://doi.org/10.5281/zenodo.5048602" httpUri="https://zenodo.org/record/5048602/files/figure.png" pageId="5" pageNumber="26">Fig. 16</figureCitation>
) with very long, curved and slender apices; right and left similar except right with very slight lobe in position of medial tooth; prostheca reduced with a few small teeth basally and a ciliate margin apically; internal base or molar area not modified into lobe. Maxilla (
<figureCitation id="13752A05FFE9FFCC33ECFD23FC4EC80D" box="[904,992,764,790]" captionStart="FIGURES 1418" captionStartId="19.[264,383,1773,1797]" captionTargetBox="[289,1297,330,1745]" captionTargetId="figure-50@19.[287,1300,326,1749]" captionTargetPageId="19" captionText="FIGURES 1418. Siagotanyx rufa Ashe. 14, labrum, dorsal aspect. 15, epipharynx. 16, right and left mandibles respectively, ventral aspect. 17, right maxilla, ventral aspect. 18, labium, ventral aspect. Scale bar = 0.1 mm." figureDoi="http://doi.org/10.5281/zenodo.5048602" httpUri="https://zenodo.org/record/5048602/files/figure.png" pageId="5" pageNumber="26">Fig. 17</figureCitation>
) similar to
<taxonomicName id="4C4E4D03FFE9FFCC340BFD23FA84C80E" authorityName="Ashe" authorityYear="2005" box="[1135,1322,764,789]" class="Insecta" family="Staphylinidae" genus="Eumecognathus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Coleoptera" pageId="5" pageNumber="26" phylum="Arthropoda" rank="genus">
<emphasis id="B93AEA92FFE9FFCC340BFD23FA84C80E" box="[1135,1322,764,789]" italics="true" pageId="5" pageNumber="26">Eumecognathus</emphasis>
</taxonomicName>
except lacinia broader and spines and spinose setae of the inner face of lacinia more densely arranged; maxillary palpi 4­articled, similar to that of
<taxonomicName id="4C4E4D03FFE9FFCC33BBFC93FB34C87E" authorityName="Ashe" authorityYear="2005" box="[991,1178,844,869]" class="Insecta" family="Staphylinidae" genus="Eumecognathus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Coleoptera" pageId="5" pageNumber="26" phylum="Arthropoda" rank="genus">
<emphasis id="B93AEA92FFE9FFCC33BBFC93FB34C87E" box="[991,1178,844,869]" italics="true" pageId="5" pageNumber="26">Eumecognathus</emphasis>
</taxonomicName>
. Labium as in
<figureCitation id="13752A05FFE9FFCC314EFCABFE2AC895" box="[298,388,884,910]" captionStart="FIGURES 1418" captionStartId="19.[264,383,1773,1797]" captionTargetBox="[289,1297,330,1745]" captionTargetId="figure-50@19.[287,1300,326,1749]" captionTargetPageId="19" captionText="FIGURES 1418. Siagotanyx rufa Ashe. 14, labrum, dorsal aspect. 15, epipharynx. 16, right and left mandibles respectively, ventral aspect. 17, right maxilla, ventral aspect. 18, labium, ventral aspect. Scale bar = 0.1 mm." figureDoi="http://doi.org/10.5281/zenodo.5048602" httpUri="https://zenodo.org/record/5048602/files/figure.png" pageId="5" pageNumber="26">Fig. 18</figureCitation>
; ligula deeply divided to near base into 2 narrow, widely separated, pointed lobes, about 1/2 length of labial palpus 1; 2 discal setae, bases of discal setae widely separated; medial pseudopore field wide but poorly defined, without numerous pseudopores; lateral pseudopore fields each with setose pore, real pores, and about 1316 pseudopores. Labial palpi 3­articled, first article subequal in length to next 2 together, article 2 and article 1 subequal in length, article 3 with 2 leaf­like sensory appendages apically. Mentum as in
<figureCitation id="13752A05FFE9FFCC3142FBBBFED2CF65" box="[294,380,1124,1150]" captionStart="FIGURES 1418" captionStartId="19.[264,383,1773,1797]" captionTargetBox="[289,1297,330,1745]" captionTargetId="figure-50@19.[287,1300,326,1749]" captionTargetPageId="19" captionText="FIGURES 1418. Siagotanyx rufa Ashe. 14, labrum, dorsal aspect. 15, epipharynx. 16, right and left mandibles respectively, ventral aspect. 17, right maxilla, ventral aspect. 18, labium, ventral aspect. Scale bar = 0.1 mm." figureDoi="http://doi.org/10.5281/zenodo.5048602" httpUri="https://zenodo.org/record/5048602/files/figure.png" pageId="5" pageNumber="26">Fig. 18</figureCitation>
.
</paragraph>
<paragraph id="8BF13680FFE9FFCC315CFB53FD78CD2D" blockId="5.[264,1325,284,1870]" pageId="5" pageNumber="26">
Pronotum transverse, 1.5 times as wide as long in known species; uniformly covered with short, yellowish microsetae, microsetae posteriorly directed in midline and posterolaterally to laterally directed on each side of midline, without conspicuous macrosetae; integument with very slight, weak microsculpture, surface glossy. Hypomera narrowly visible in lateral aspect. Elytra about 1.2 times longer than prothorax; postero­lateral margins sinuate. Meso­ and metasternum as in
<figureCitation id="13752A05FFE9FFCC3363FA8BFCF3CE75" box="[775,861,1364,1390]" captionStart="FIGURES 1924" captionStartId="20.[264,383,1795,1819]" captionTargetBox="[288,1298,330,1768]" captionTargetId="figure-45@20.[285,1302,326,1771]" captionTargetPageId="20" captionText="FIGURES 1924. Siagotanyx rufa Ashe. 19, mentum. 20, antenna. 21, meso­ and metasternum. 22, spermatheca. 23, aedeagus, paramere. 24, aedaegus, median lobe. Scale bar = 0.1 mm." figureDoi="http://doi.org/10.5281/zenodo.5048604" httpUri="https://zenodo.org/record/5048604/files/figure.png" pageId="5" pageNumber="26">Fig. 21</figureCitation>
; mesosternum faintly carinate medially at base; mesocoxal cavities fully margined behind; mesosternal process long, slender, pointed apically, extended beyond middle of mesocoxal cavities; metasternal process short, acutely rounded apically, not attaining mesosternal process, isthmus moderately long; known species with mesosternal process: isthmus: metasternal process in ratio of 1.7:0.7:0.9. Tarsal segmentation 4­4­5.
</paragraph>
<paragraph id="8BF13680FFE9FFCC315CF99BFA83CDB5" blockId="5.[264,1325,284,1870]" pageId="5" pageNumber="26">Abdomen parallel­sided, rounded apically. Known species with terga IIIIV with moderate, V with slight and VI with inconspicuous transverse basal impressions; uniformly covered with moderately long microsetae. Surface without microsculpture, glossy.</paragraph>
<paragraph id="8BF13680FFE9FFCC315CF963FD93CC3D" blockId="5.[264,1325,284,1870]" pageId="5" pageNumber="26">Secondary sexual features: None obvious except males with anterior half of sternum VII with densely arranged micropores, and males with sternum VIII very slightly produced as a triangular lobe.</paragraph>
</subSubSection>
<subSubSection id="C354650BFFE9FFCF315CF8EBFB0FCA45" lastPageId="6" lastPageNumber="27" pageId="5" pageNumber="26" type="etymology">
<paragraph id="8BF13680FFE9FFCF315CF8EBFB0FCA45" blockId="5.[264,1325,284,1870]" lastBlockId="6.[264,1323,284,350]" lastPageId="6" lastPageNumber="27" pageId="5" pageNumber="26">
<emphasis id="B93AEA92FFE9FFCC315CF8EBFE6ACC55" bold="true" box="[312,452,1844,1870]" pageId="5" pageNumber="26">Etymology.</emphasis>
The genus name is derived from the Greek noun “Siagon” (feminine) meaning “jaw” and the Greek verb “tanyo” meaning “stretch out” (
<bibRefCitation id="EFDF4B71FFEAFFCF347FFEC3FB1DCA2D" author="Brown, R. W." box="[1051,1203,284,310]" pageId="6" pageNumber="27" refId="ref7981" refString="Brown, R. W. (1956) Composition of Scientific Words. Smithsonian Institution Press, Washington, D. C, 882 pp." type="book" year="1956">Brown 1956</bibRefCitation>
). It refers to the long, slender mandibles that characterize this genus. Gender: feminine.
</paragraph>
</subSubSection>
</treatment>
</document>