treatments-xml/data/30/29/D3/3029D3C9BF585AC0AFFC7E2AF9E5D077.xml

<document ID-DOI="http://dx.doi.org/10.3897/zookeys.1193.116087" ID-Pensoft-Pub="1313-2970-1193-95" ID-Pensoft-UUID="EA19A2400D965CA3AB43B8CCC821462A" ID-ZooBank="1457DD9918B0413CA0D0FBD11878A45F" ModsDocID="1313-2970-1193-95" checkinTime="1709371463725" checkinUser="pensoft" docAuthor="Nguyen, Lien Thi Phuong, Nguyen, Anh D. &amp; Dang, Hoa T." docDate="2024" docId="3029D3C9BF585AC0AFFC7E2AF9E5D077" docLanguage="en" docName="ZooKeys 1193: 95-110" docOrigin="ZooKeys 1193" docPubDate="2024-03-01" docSource="http://dx.doi.org/10.3897/zookeys.1193.116087" docTitle="Orancistrocerus thanghen Nguyen &amp; Nguyen &amp; Dang 2024, sp. nov." docType="treatment" docUuid="C6CA3009-D439-41A3-8A14-0A8C974E964C" docUuidSource="ZooBank" docVersion="1" id="EA19A2400D965CA3AB43B8CCC821462A" lastPageNumber="95" masterDocId="EA19A2400D965CA3AB43B8CCC821462A" masterDocTitle="The solitary wasp genus Orancistrocerus from Vietnam, with descriptions of two new species (Hymenoptera, Vespidae, Eumeninae)" masterLastPageNumber="110" masterPageNumber="95" pageNumber="95" updateTime="1709371463725" updateUser="pensoft">
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<mods:title id="B50E0AAF19846DF3B27A3377407D8664">The solitary wasp genus Orancistrocerus from Vietnam, with descriptions of two new species (Hymenoptera, Vespidae, Eumeninae)</mods:title>
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<mods:namePart id="A87CA5D89C340D72A703850AE879EA3C">Nguyen, Lien Thi Phuong</mods:namePart>
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<mods:affiliation id="E74D865079A482F19C3FE67EF1762185">Insect Ecology Department, Institute of Ecology &amp; Biological Resources (IEBR), Vietnam Academy of Science &amp; Technology, 18 Hoang Quoc Viet Road, Nghia Do, Cau Giay, Hanoi, Vietnam &amp; Graduate University of Science and Technology, Vietnam Academy of Science &amp; Technology, 18 Hoang Quoc Viet Road, Nghia Do, Cau Giay, Hanoi, Vietnam</mods:affiliation>
<mods:nameIdentifier id="9642CE373B2CEB27D5B0BF794995C086" type="email">phuonglientit@gmail.com</mods:nameIdentifier>
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<mods:namePart id="07F05288E0CA4CCB61054924884AA58C">Nguyen, Anh D.</mods:namePart>
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<mods:affiliation id="D6DFEBD238D1825C222FE6E734EC42A6">Insect Ecology Department, Institute of Ecology &amp; Biological Resources (IEBR), Vietnam Academy of Science &amp; Technology, 18 Hoang Quoc Viet Road, Nghia Do, Cau Giay, Hanoi, Vietnam &amp; Graduate University of Science and Technology, Vietnam Academy of Science &amp; Technology, 18 Hoang Quoc Viet Road, Nghia Do, Cau Giay, Hanoi, Vietnam</mods:affiliation>
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<mods:namePart id="339BE8CF9D30436EBC50F672A66F23D2">Dang, Hoa T.</mods:namePart>
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<mods:affiliation id="2FF209495DC95234B32459C254BD3E27">Insect Ecology Department, Institute of Ecology &amp; Biological Resources (IEBR), Vietnam Academy of Science &amp; Technology, 18 Hoang Quoc Viet Road, Nghia Do, Cau Giay, Hanoi, Vietnam &amp; Graduate University of Science and Technology, Vietnam Academy of Science &amp; Technology, 18 Hoang Quoc Viet Road, Nghia Do, Cau Giay, Hanoi, Vietnam</mods:affiliation>
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<treatment id="3029D3C9BF585AC0AFFC7E2AF9E5D077" LSID="urn:lsid:zoobank.org:act:C6CA3009-D439-41A3-8A14-0A8C974E964C" httpUri="http://treatment.plazi.org/id/3029D3C9BF585AC0AFFC7E2AF9E5D077" lastPageNumber="95" pageId="0" pageNumber="95">
<subSubSection id="5C3AFFACAFD36B1E57E146F818F471DD" pageId="0" pageNumber="95" type="nomenclature">
<paragraph id="86C6A8022A93B5244CEC72BF1D0A9448" pageId="0" pageNumber="95">
<taxonomicName id="3E4FFC68D46EF1C3B2B8CB496C960B0F" LSID="https://zoobank.org/C6CA3009-D439-41A3-8A14-0A8C974E964C" authority="Nguyen &amp; Nguyen &amp; Dang, 2024" authorityName="Nguyen &amp; Nguyen &amp; Dang" authorityYear="2024" class="Insecta" family="Vespidae" genus="Orancistrocerus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Orancistrocerus thanghen" order="Hymenoptera" pageId="0" pageNumber="95" phylum="Arthropoda" rank="species" species="thanghen" status="sp. nov.">Orancistrocerus thanghen</taxonomicName>
<taxonomicNameLabel id="40247FEFF924195EC97DF173269D4C10" pageId="0" pageNumber="95">sp. nov.</taxonomicNameLabel>
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<paragraph id="850A8B1611E6C6DC86905BAA20EE2CA2" pageId="0" pageNumber="95">
<figureCitation id="B9F9CC5F8807630FB14A8047E336344F" captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Orancistrocerus thanghen sp. nov., female holotype A frontal view B head, dorsal view C mesosoma, dorsal view D propodeum, posterior view E head and mesosoma, lateral view F metasoma, dorsal view G habitus. Scale bars: 1 mm." figureDoi="10.3897/zookeys.1193.116087.figure1" httpUri="https://binary.pensoft.net/fig/995424" pageId="0" pageNumber="95">Fig. 1A-G</figureCitation>
</paragraph>
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<subSubSection id="45C660FEA920CBBE6AF9C5D4D2237016" pageId="0" pageNumber="95" type="materials_examined">
<paragraph id="47B67829FAC6041395ABF8FB302D547B" pageId="0" pageNumber="95">Material examined.</paragraph>
<paragraph id="FC7F2AC46F2D2F81A62DDDF929FE195D" pageId="0" pageNumber="95">
<materialsCitation id="ED65DBBFC5AFC6556B41A4AAC141EBC2" collectingDate="2022-08-03" collectorName="Lien Thi Phuong Nguyen, Cuong Quang Nguyen, Ngat Thi Tran" country="Vietnam" elevation="611" latitude="22.763334" location="Thang Hen lake" longLatPrecision="21" longitude="106.29389" municipality="Tra Linh" specimenCount="♀" specimenCount-female="1" stateProvince="Cao Bang" typeStatus="Holotype">
<emphasis id="17D4DDEC4AD45BC81B46827C556E542D" bold="true" pageId="0" pageNumber="95">
<emphasis id="6E4C37E26C843834356754E5ACB8CECC" italics="true" pageId="0" pageNumber="95">
<typeStatus id="7874A31ACB915DDC1D3D60E5447A980A" type="holotype">Holotype</typeStatus>
</emphasis>
.
</emphasis>
<collectingCountry id="B747F55EDC710368DC70CDAF4AB1B40F" name="Vietnam">Vietnam</collectingCountry>
• 
<specimenCount id="04B12CF67E0386AE5B679638762C0DE1" count="1" type="female">♀</specimenCount>
; 
<collectingRegion id="E438AF88E753ADF9AB8027D17A56EE85" country="Vietnam" name="Cao Bang">Cao Bang</collectingRegion>
, 
<collectingMunicipality id="2D88D2B30C5DACDA52C525816F632168">Tra Linh</collectingMunicipality>
, 
<location id="542F81C0A86DA1008BAA09AA12F31609" LSID="urn:lsid:plazi:treatment:3029D3C9BF585AC0AFFC7E2AF9E5D077:542F81C0A86DA1008BAA09AA12F31609" country="Vietnam" latitude="22.763334" longLatPrecision="21" longitude="106.29389" municipality="Tra Linh" name="Thang Hen lake" stateProvince="Cao Bang">Thang Hen lake</location>
; 
<geoCoordinate id="18B7A3ADAF92823F85F42E5856CCB4EA" degrees="22" direction="north" minutes="45" orientation="latitude" precision="15" seconds="48" value="22.763334">22°45'48&quot;N</geoCoordinate>
, 
<geoCoordinate id="EA0A8B74A69D4D0B543585663C62A229" degrees="106" direction="east" minutes="17" orientation="longitude" precision="15" seconds="38" value="106.29389">106°17'38&quot;E</geoCoordinate>
; alt. 
<quantity id="228EB22634C23BA2A341E45D8FE77816" metricMagnitude="2" metricUnit="m" metricValue="6.11" unit="m" value="611.0">
<elevation id="936A53165E81E3692F6B27D28383199B" metricMagnitude="2" metricUnit="m" metricValue="6.11" unit="m" value="611.0">611 m</elevation>
</quantity>
; 
<collectingDate id="A38BBA0649CA4EB9200635839C4F8ECA" value="2022-08-03">3.viii.2022</collectingDate>
; 
<collectorName id="4CAC5BA672FB0194FEDFD97ACE11C2E3">Lien Thi Phuong Nguyen</collectorName>
, 
<collectorName id="8FABF569AED55E65CBDC2E8823D9F6A6">Cuong Quang Nguyen</collectorName>
, 
<collectorName id="46FD082834A76C6AA789D1720D64BE61">Ngat Thi Tran</collectorName>
leg.; IEBR.
</materialsCitation>
</paragraph>
<paragraph id="168ACAEE47B47C1EAC78590DC43220FC" pageId="0" pageNumber="95">
<materialsCitation id="C0D28CEE9843C707BB8FB6E7A256E084" collectingDate="2024-01-01" collectingDateMax="2024-12-31" collectingDateMin="2024-01-01" collectorName="Lien Thi Phuong Nguyen &amp; Cuong Quang Nguyen &amp; Ngat Thi Tran" country="Vietnam" elevation="611" latitude="22.763334" location="Vietnam" longLatPrecision="21" longitude="106.29389" municipality="Tra Linh" specimenCount="4" specimenCount-female="4" stateProvince="Cao Bang" typeStatus="Paratypes">
<emphasis id="2A83DEDC77C0D148C35814AB35E1C1AF" bold="true" pageId="0" pageNumber="95">
<emphasis id="6E5C341BDB5BD1B7DFCBD3486E5310DE" italics="true" pageId="0" pageNumber="95">
<typeStatus id="551717A5AA1BA8D2E4A5B9A6CE1B3F2A" type="paratype">Paratypes</typeStatus>
</emphasis>
.
</emphasis>
<collectingCountry id="591A08437A3C1B65C5A8DB283AFBF05B" name="Vietnam">Vietnam</collectingCountry>
• 
<specimenCount id="1DF048010A544F5231514D115FF86DEA" count="4" type="female">4♀♀</specimenCount>
, same data as holotype
</materialsCitation>
• 
<materialsCitation id="56BC1270D956B8BD4B3BFA34CA159902" collectingDate="2023-11-18" collectorName="Lien Thi Phuong Nguyen, Duc Anh Nguyen, Ngat Thi Tran" country="Vietnam" elevation="619" latitude="22.763195" location="Thang Hen Lake" longLatPrecision="1" longitude="106.29325" municipality="Tra Linh" specimenCount="1" specimenCount-female="1" stateProvince="Cao Bang" typeStatus="paratype">
<specimenCount id="48E14F33FFBB218DC033D7184B224BDB" count="1" type="female">1♀</specimenCount>
; 
<collectingRegion id="F199399C6523B45616E30ED1F524DB06" country="Vietnam" name="Cao Bang">Cao Bang</collectingRegion>
, 
<collectingMunicipality id="0AC76C254616A52517030594B83426E2">Tra Linh</collectingMunicipality>
, 
<location id="A7D5FA8C64E7B956FAB07FBFDA9FBC18" LSID="urn:lsid:plazi:treatment:3029D3C9BF585AC0AFFC7E2AF9E5D077:A7D5FA8C64E7B956FAB07FBFDA9FBC18" country="Vietnam" latitude="22.763195" longLatPrecision="1" longitude="106.29325" municipality="Tra Linh" name="Thang Hen Lake" stateProvince="Cao Bang">Thang Hen Lake</location>
; 
<geoCoordinate id="91D5C3ADAD697BA184F89E64B56610F1" degrees="22" direction="north" minutes="45" orientation="latitude" precision="1" seconds="47.5" value="22.763195">22°45'47.5&quot;N</geoCoordinate>
, 
<geoCoordinate id="92BB7AB1FF4B835CE45B01D1837025D1" degrees="106" direction="east" minutes="17" orientation="longitude" precision="1" seconds="35.7" value="106.29325">106°17'35.7&quot;E</geoCoordinate>
; alt. 
<quantity id="5E2B462CFEFCC821657B0BF736DFDC0D" metricMagnitude="2" metricUnit="m" metricValue="6.1899999999999995" unit="m" value="619.0">
<elevation id="E34DF7FF9FA4C36E1850A6AAB9BE155E" metricMagnitude="2" metricUnit="m" metricValue="6.1899999999999995" unit="m" value="619.0">619 m</elevation>
</quantity>
; 
<collectingDate id="3201B95BDB81EDFB766104D04AEEF57A" value="2023-11-18">18.xi.2023</collectingDate>
; 
<collectorName id="6A2F64579B5A3BBD4EB11BB17CAE0B30">Lien Thi Phuong Nguyen</collectorName>
, 
<collectorName id="6817F8C3D0BCEAEFCA1132AA9A595C3E">Duc Anh Nguyen</collectorName>
, 
<collectorName id="FACCC59DEB4673A64976B489FC954F96">Ngat Thi Tran</collectorName>
leg.; IEBR
</materialsCitation>
.
</paragraph>
</subSubSection>
<subSubSection id="6B6F713B2B436FD59A56594B6BF493E1" pageId="0" pageNumber="95" type="diagnosis">
<paragraph id="852064C580418545E75DD7F260BC2542" pageId="0" pageNumber="95">Diagnosis.</paragraph>
<paragraph id="88CC298B1D24B2AEF9DA032549B4B634" pageId="0" pageNumber="95">
This species can be distinguished from other species in the genus in the following combination of characters: head in frontal view subcircular, 1.1 
<normalizedToken id="708B637B395D8BB09AC62F00D58F274B" originalValue="×">x</normalizedToken>
as wide as high; occipital carina slightly widened laterally; clypeus in frontal view 1.2 
<normalizedToken id="ABAC8380F66D78722BDE01D9C29F04AB" originalValue="×">x</normalizedToken>
as wide as high, apical margin deeply emarginated medially, forming blunt tooth on each side, distance between teeth ~0.5 
<normalizedToken id="F9D87CE6DEBB19AE8CDA16776A0C439B" originalValue="×">x</normalizedToken>
width of clypeus between inner compound eye margins; mesoscutum shorter than wide between tegulae; TI in dorsal view ~2.2 
<normalizedToken id="EBBCDA775B27D5AA21647F61F6FAF2B5" originalValue="×">x</normalizedToken>
as wide as long; TII densely punctate, interspaces larger (~1.5 
<normalizedToken id="569A65A130C071CC99DEC2B5B9879B87" originalValue="×">x</normalizedToken>
) than puncture diameter.
</paragraph>
<paragraph id="A412565EB12E783DEE0050E2BA40DDAD" pageId="0" pageNumber="95">
The new species is similar to 
<taxonomicName id="39209AC5AF7C535658705FF0DE5234C1" class="Insecta" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="O. altus" order="Hymenoptera" pageId="0" pageNumber="95" phylum="Arthropoda" rank="species" species="altus">
<emphasis id="E2AB5A1D260C62A98A56C8A683B10816" italics="true" pageId="0" pageNumber="95">O. altus</emphasis>
</taxonomicName>
in that both have TII densely punctate, interspaces larger (~1.0-1.5 
<normalizedToken id="6E2DF01A8943D85BA95A2448039D1C22" originalValue="×">x</normalizedToken>
) than puncture diameter, the occipital carina slightly widened laterally, mesoscutum slightly shorter than wide between tegulae, propodeum with border between dorsal and lateral surfaces rounded, dorsal and posterior surfaces angled. It differs from 
<taxonomicName id="04C1740CAB054F8FDE74C3F16E00E1B0" class="Insecta" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="O. altus" order="Hymenoptera" pageId="0" pageNumber="95" phylum="Arthropoda" rank="species" species="altus">
<emphasis id="96D28D3BA6A5A67A7D5634BE84D1554C" italics="true" pageId="0" pageNumber="95">O. altus</emphasis>
</taxonomicName>
in the following characters: head in frontal view 1.1 
<normalizedToken id="EE31ECF736A0D8991E09C84A62890CCE" originalValue="×">x</normalizedToken>
as wide as high (head in frontal view 1.3 
<normalizedToken id="B5565E0C37883C07E70275C8596EA045" originalValue="×">x</normalizedToken>
as wide as high in 
<taxonomicName id="A283EB637CA23A1ACCB00D162A112C77" class="Insecta" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="O. altus" order="Hymenoptera" pageId="0" pageNumber="95" phylum="Arthropoda" rank="species" species="altus">
<emphasis id="B0C21DBE5992C96076D789C4D15862CD" italics="true" pageId="0" pageNumber="95">O. altus</emphasis>
</taxonomicName>
), clypeus in frontal view 1.2 
<normalizedToken id="F77BA9A181414CEC5A6983BF62FD823C" originalValue="×">x</normalizedToken>
as wide as high (clypeus in frontal view nearly as wide as high in 
<taxonomicName id="B995CFBAA50DC7D047560182C49C1C9C" class="Insecta" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="O. altus" order="Hymenoptera" pageId="0" pageNumber="95" phylum="Arthropoda" rank="species" species="altus">
<emphasis id="C3D65798EDBE0D032A4D8A69FE877A7D" italics="true" pageId="0" pageNumber="95">O. altus</emphasis>
</taxonomicName>
), apical margin of clypeus shallowly emarginate with distance between teeth of clypeus about half width of clypeus between inner compound eye margins (apical margin of clypeus deeply emarginate, half-oval-shaped, distance between teeth of clypeus less than half width of clypeus between inner compound eye margins in 
<taxonomicName id="EF479DAEB7B73FD6BA1ECC81DD6A5DFC" class="Insecta" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="O. altus" order="Hymenoptera" pageId="0" pageNumber="95" phylum="Arthropoda" rank="species" species="altus">
<emphasis id="2B1559D1420492FAB97484C4187FA0CF" italics="true" pageId="0" pageNumber="95">O. altus</emphasis>
</taxonomicName>
).
</paragraph>
</subSubSection>
<subSubSection id="E7679DCF7BADBE1E039EC43F5EE371C1" pageId="0" pageNumber="95" type="description">
<paragraph id="997FE616FF87EE33FFD403B4F0D40304" pageId="0" pageNumber="95">Description.</paragraph>
<paragraph id="9AB22B6F5B5BBB981AC10A7A7CBD5998" pageId="0" pageNumber="95">
<emphasis id="1AB9E95C3D14B52C4402C945BDCE19AB" bold="true" pageId="0" pageNumber="95">Female</emphasis>
(Fig. 
<figureCitation id="7EC4EBA085F648E906094080FA7802D6" captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Orancistrocerus thanghen sp. nov., female holotype A frontal view B head, dorsal view C mesosoma, dorsal view D propodeum, posterior view E head and mesosoma, lateral view F metasoma, dorsal view G habitus. Scale bars: 1 mm." figureDoi="10.3897/zookeys.1193.116087.figure1" httpUri="https://binary.pensoft.net/fig/995424" pageId="0" pageNumber="95">1G</figureCitation>
): body length 13.0-14.0 mm (holotype = 13.5 mm); forewing length 12.0-13.0 mm (holotype = 12.5 mm).
</paragraph>
<caption id="8B8FE0C28699C68E5E019E0416E2EB2E" doi="10.3897/zookeys.1193.116087.figure1" httpUri="https://binary.pensoft.net/fig/995424" pageId="0" pageNumber="95" start="Figure 1" startId="F1">
<paragraph id="9228C18DAC9FEB6EBAEA89385FAAEBEF" pageId="0" pageNumber="95">
<emphasis id="0B65032B7A9828CE783D2240E63A6820" bold="true" pageId="0" pageNumber="95">Figure 1.</emphasis>
<taxonomicName id="ABA7D0F80B1CB9235F0ACAD5100F52F9" authorityName="Nguyen &amp; Nguyen &amp; Dang" authorityYear="2024" class="Insecta" family="Vespidae" genus="Orancistrocerus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Orancistrocerus thanghen" order="Hymenoptera" pageId="0" pageNumber="95" phylum="Arthropoda" rank="species" species="thanghen">
<emphasis id="5C6B3B447A8C90D0CD2C09502BCB4A10" italics="true" pageId="0" pageNumber="95">Orancistrocerus thanghen</emphasis>
</taxonomicName>
sp. nov., female holotype 
<emphasis id="320E02F873139698770EEF8B72CF89EA" bold="true" pageId="0" pageNumber="95">A</emphasis>
frontal view 
<emphasis id="46484B1742DA33A56BA9DE252761FDA3" bold="true" pageId="0" pageNumber="95">B</emphasis>
head, dorsal view 
<emphasis id="901F26BBE8607814922ECF24DEC23646" bold="true" pageId="0" pageNumber="95">C</emphasis>
mesosoma, dorsal view 
<emphasis id="EAB62FD03025C00930FECE6B494B9E83" bold="true" pageId="0" pageNumber="95">D</emphasis>
propodeum, posterior view 
<emphasis id="DA07728043A733B8C697EB052F814252" bold="true" pageId="0" pageNumber="95">E</emphasis>
head and mesosoma, lateral view 
<emphasis id="86B897062035588E579AF9BB5D1692E2" bold="true" pageId="0" pageNumber="95">F</emphasis>
metasoma, dorsal view 
<emphasis id="7F5256F9AE00D2237FFF7B1C70E0D320" bold="true" pageId="0" pageNumber="95">G</emphasis>
habitus. Scale bars: 1 mm.
</paragraph>
</caption>
<paragraph id="A68B50C7F355EBC2384CDA518BD7392F" pageId="0" pageNumber="95">
<emphasis id="3A8B1B709E5B04ABC7E0BD763B8926A1" bold="true" pageId="0" pageNumber="95">
<emphasis id="AD6DF3D065CA6261AD9CCB5466A19662" italics="true" pageId="0" pageNumber="95">Structure</emphasis>
.
</emphasis>
Head in frontal view subcircular, 1.1 
<normalizedToken id="3975A3BB994393799F4C66A6AB0B3530" originalValue="×">x</normalizedToken>
as wide as high (Fig. 
<figureCitation id="1B627BFD8F573DA0608D1DB374620495" captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Orancistrocerus thanghen sp. nov., female holotype A frontal view B head, dorsal view C mesosoma, dorsal view D propodeum, posterior view E head and mesosoma, lateral view F metasoma, dorsal view G habitus. Scale bars: 1 mm." figureDoi="10.3897/zookeys.1193.116087.figure1" httpUri="https://binary.pensoft.net/fig/995424" pageId="0" pageNumber="95">1A</figureCitation>
). Vertex produced behind posterior ocelli, then sloping down towards occipital carina, with cephalic foveae small, bearing dense pubescence, situated on depressed area on vertex behind posterior ocelli, and with distance between foveae slightly greater than diameter of median ocellus. Distance from lateral ocelli to apical margin of vertex 2.5 
<normalizedToken id="9CC8758D9769202F76C46797A2F2D5B1" originalValue="×">x</normalizedToken>
distance from lateral ocellus to inner compound eye margin (Fig. 
<figureCitation id="8729CC7F40E817DAAA5892A0623EA1D4" captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Orancistrocerus thanghen sp. nov., female holotype A frontal view B head, dorsal view C mesosoma, dorsal view D propodeum, posterior view E head and mesosoma, lateral view F metasoma, dorsal view G habitus. Scale bars: 1 mm." figureDoi="10.3897/zookeys.1193.116087.figure1" httpUri="https://binary.pensoft.net/fig/995424" pageId="0" pageNumber="95">1B</figureCitation>
). Gena in lateral view narrower than compound eye, ~0.7 
<normalizedToken id="9E0914DDBFA4334FC03849894DD6F6A5" originalValue="×">x</normalizedToken>
as wide as compound eye; occipital carina complete, present along entire length of gena, slightly widened laterally. Inner compound eye margins in frontal view slightly convergent ventrally, in anterior view 1.1 
<normalizedToken id="4CD9AC57008C727EFCBE043CE4367F3C" originalValue="×">x</normalizedToken>
further apart from each other at vertex than at clypeus (Fig. 
<figureCitation id="A9DA86761FC1885005845263FCDF9899" captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Orancistrocerus thanghen sp. nov., female holotype A frontal view B head, dorsal view C mesosoma, dorsal view D propodeum, posterior view E head and mesosoma, lateral view F metasoma, dorsal view G habitus. Scale bars: 1 mm." figureDoi="10.3897/zookeys.1193.116087.figure1" httpUri="https://binary.pensoft.net/fig/995424" pageId="0" pageNumber="95">1A</figureCitation>
). Clypeus in lateral view gradually convex from base to apical margin; in frontal view 1.2 
<normalizedToken id="30AEAD2E4A3B26E8C60347C738661097" originalValue="×">x</normalizedToken>
as wide as high (Fig. 
<figureCitation id="0F22ACF5273AB921D9F02AFCFC5388BA" captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Orancistrocerus thanghen sp. nov., female holotype A frontal view B head, dorsal view C mesosoma, dorsal view D propodeum, posterior view E head and mesosoma, lateral view F metasoma, dorsal view G habitus. Scale bars: 1 mm." figureDoi="10.3897/zookeys.1193.116087.figure1" httpUri="https://binary.pensoft.net/fig/995424" pageId="0" pageNumber="95">1A</figureCitation>
), with basal margin slightly convex medially and distinctly separated from antennal toruli; apical margin deeply emarginate medially, forming blunt tooth on each side, distance between teeth ~0.5 
<normalizedToken id="81DB417EDF3D2F93A53E2EEB17DB7E49" originalValue="×">x</normalizedToken>
width of clypeus between inner compound eye margins. Mandible with prominent wide teeth, fourth tooth blunt apically. Scape long, ~4.4 
<normalizedToken id="1A837E54779D6C9AF70761A2BF5E5245" originalValue="×">x</normalizedToken>
as long as its maximum width, slightly curved; FI ~1.8 
<normalizedToken id="877103454C426990911EEC865A9D29DF" originalValue="×">x</normalizedToken>
longer than wide, FII-III longer than wide, FIV-IX wider than long, terminal flagellomere bullet-shaped, approximately as long as its basal width. Mesosoma longer than wide in dorsal view (Fig. 
<figureCitation id="6B77CB0E8EB5BDEDAA07D55E55322245" captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Orancistrocerus thanghen sp. nov., female holotype A frontal view B head, dorsal view C mesosoma, dorsal view D propodeum, posterior view E head and mesosoma, lateral view F metasoma, dorsal view G habitus. Scale bars: 1 mm." figureDoi="10.3897/zookeys.1193.116087.figure1" httpUri="https://binary.pensoft.net/fig/995424" pageId="0" pageNumber="95">1C</figureCitation>
). Pronotal carina present, rounded at humeral angle, reaching ventral corner of pronotum. Mesoscutum slightly convex, shorter than wide between tegulae, length ~0.9 
<normalizedToken id="ED08AD01E72EF643AF753CFE71A2F6E4" originalValue="×">x</normalizedToken>
width, with depressed and parallel furrows apically (depression exceptionally inconspicuous and hard to recognize in holotype and three paratypes because they fuse with large punctures), and two carinae laterally at apical one-third (Fig. 
<figureCitation id="95E553750CDBC6DE438BD3CDAAE4F627" captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Orancistrocerus thanghen sp. nov., female holotype A frontal view B head, dorsal view C mesosoma, dorsal view D propodeum, posterior view E head and mesosoma, lateral view F metasoma, dorsal view G habitus. Scale bars: 1 mm." figureDoi="10.3897/zookeys.1193.116087.figure1" httpUri="https://binary.pensoft.net/fig/995424" pageId="0" pageNumber="95">1C</figureCitation>
), with middle narrow furrow present at basal one third. Disc of mesoscutellum slightly convex, with middle furrow present throughout (Fig. 
<figureCitation id="537235A6C466F440CEF85C0B7167285C" captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Orancistrocerus thanghen sp. nov., female holotype A frontal view B head, dorsal view C mesosoma, dorsal view D propodeum, posterior view E head and mesosoma, lateral view F metasoma, dorsal view G habitus. Scale bars: 1 mm." figureDoi="10.3897/zookeys.1193.116087.figure1" httpUri="https://binary.pensoft.net/fig/995424" pageId="0" pageNumber="95">1C</figureCitation>
). Metanotum slightly convex. Propodeum (Fig. 
<figureCitation id="2E415BF0ACEC37EA28E9AB38F73DACAB" captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Orancistrocerus thanghen sp. nov., female holotype A frontal view B head, dorsal view C mesosoma, dorsal view D propodeum, posterior view E head and mesosoma, lateral view F metasoma, dorsal view G habitus. Scale bars: 1 mm." figureDoi="10.3897/zookeys.1193.116087.figure1" httpUri="https://binary.pensoft.net/fig/995424" pageId="0" pageNumber="95">1D</figureCitation>
) conspicuously excavated medially, with posterior surface distinctly concave, at basal half of median carina running to apical margin; border between dorsal and lateral surfaces rounded, posterior and lateral surfaces angled. TI in dorsal view narrower than TII, truncate at base (Fig. 
<figureCitation id="E6F024DC5885433248FA349E425B1C13" captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Orancistrocerus thanghen sp. nov., female holotype A frontal view B head, dorsal view C mesosoma, dorsal view D propodeum, posterior view E head and mesosoma, lateral view F metasoma, dorsal view G habitus. Scale bars: 1 mm." figureDoi="10.3897/zookeys.1193.116087.figure1" httpUri="https://binary.pensoft.net/fig/995424" pageId="0" pageNumber="95">1F</figureCitation>
); anterior vertical surface of TI slightly convex, with sparse shallow punctures, clearly separated from posterior horizontal surface by carina. TI in dorsal view ~2.2 
<normalizedToken id="08B49F4CE3532E94461A0566192DD4FC" originalValue="×">x</normalizedToken>
as wide as long; TII in dorsal view ~1.2 
<normalizedToken id="739132439D0D2B2B35BF4786B4F830DE" originalValue="×">x</normalizedToken>
wider than long (Fig. 
<figureCitation id="AADDF1C98D31F9229A0657BA6540FE80" captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Orancistrocerus thanghen sp. nov., female holotype A frontal view B head, dorsal view C mesosoma, dorsal view D propodeum, posterior view E head and mesosoma, lateral view F metasoma, dorsal view G habitus. Scale bars: 1 mm." figureDoi="10.3897/zookeys.1193.116087.figure1" httpUri="https://binary.pensoft.net/fig/995424" pageId="0" pageNumber="95">1F</figureCitation>
); SII in lateral view depressed basally, then gradually and slightly convex to apical margin.
</paragraph>
<paragraph id="1E4093C047553E290FD5AD4BB39B9968" pageId="0" pageNumber="95">
<emphasis id="7559B6C960D0478D767F86330814F153" bold="true" pageId="0" pageNumber="95">
<emphasis id="4C176B4B4656BE3AF022EA6A1F29B195" italics="true" pageId="0" pageNumber="95">Sculpture</emphasis>
.
</emphasis>
Clypeus with coarse punctures on disc; border between punctures raised to form longitudinal striations medially, with smaller and deeper punctures laterally. Mandible with row of punctures laterally. Frons densely covered with coarse, flat-bottomed punctures, interspaces between punctures narrow and raised to form reticulation. Vertex and gena with punctures similar to those on frons; gena with several short, transverse, conspicuous striae laterally; occipital carina slightly widened laterally. Pronotum with punctures similar to those on vertex. Mesoscutum covered with flat-bottomed punctures, punctures smaller than those on vertex and usually forming row of punctures with interspaces between rows raised to form reticulations, reticulation tending to form longitudinal carina; mesoscutellum with punctures similar to those on mesoscutum, punctures on metanotum coarser than those on mesoscutum. Mesepisternum with flat-bottomed punctures, punctures coarser and larger to those on pronotum posterodorsally, smooth anteroventrally; border between posterodorsal and anteroventral parts distinct, without epicnemial carina. Dorsal part of metapleuron largely smooth and with several punctures at upper part, ventral part largely smooth, with several sparse and shallow punctures, and some short striae laterally. Propodeum with coarse, large, flat-bottomed punctures dorsally; punctures are shallower, smaller, and sparser laterally; angle between dorsal and lateral surfaces of propodeum somewhat rounded; posteriorly surface of propodeum with punctures at upper and lateral parts, and with oblique weak carina at lower part, with a large smooth area centrally. Tegulae with sparse small punctures laterally, the remaining surface with minute punctures. Metasomal segment I covered with dense, strong and well defined punctures dorsally, sparse and fine punctures dorso-anteriorly, distance between punctures on TI narrower than puncture diameter; TII with undefined punctures, punctures shallower than those on TI, punctures near apical margins deeper, larger and coarser than those on other part of the tergum, interspaces between punctures usually equal to puncture diameter at central part; TIII-V with punctures conspicuous and deep, smaller than those on TII apically; TVI with minute punctures; SII with punctures deeper and larger than those on margins of TII laterally; SIII-V with punctures smaller and shallower than those on SII; SVI with minute punctures; SI with narrow basal part smooth.
</paragraph>
<paragraph id="A7EE944BDB3521D9D5BC4163E53B1A97" pageId="0" pageNumber="95">
<emphasis id="93D5507FE99FDA2B3832D08F7824EC8D" bold="true" pageId="0" pageNumber="95">
<emphasis id="12916B99441D4E270EE067E4870D8171" italics="true" pageId="0" pageNumber="95">Color</emphasis>
.
</emphasis>
Black; a narrow, curved, yellow strip near base of clypeus; yellow spots near base of mandible; antennal scape orange-yellow beneath; mandible, propodeal valvulae, and all trochanters reddish-brown. Wings brown with violet reflection; veins dark brown.
</paragraph>
<paragraph id="B7CD843F0AD7294FB941E79BAD4FEE95" pageId="0" pageNumber="95">
<emphasis id="14A3DA815DBEB132D97CC5885F93133B" bold="true" pageId="0" pageNumber="95">
<emphasis id="4892A9DE22D4AE2FB5EE5BB80485EEEC" italics="true" pageId="0" pageNumber="95">Pubescence</emphasis>
.
</emphasis>
Body with short, sparse, yellow or silver setae except lower part of propodeum with longer and denser silver setae.
</paragraph>
<paragraph id="741689176E19F3C14003953CDCC87794" pageId="0" pageNumber="95">
<emphasis id="7E43895F86DC060E96ED815370066C8A" bold="true" pageId="0" pageNumber="95">Male.</emphasis>
Unknown.
</paragraph>
</subSubSection>
<subSubSection id="9B28B5B47C6FB3745D0870544F3E510D" pageId="0" pageNumber="95" type="distribution">
<paragraph id="44E22267BA8BBA3F7F0981051EB5CDEF" pageId="0" pageNumber="95">Distribution.</paragraph>
<paragraph id="E591F42013D7BBE31C39F04E0429375E" pageId="0" pageNumber="95">Central Vietnam.</paragraph>
</subSubSection>
<subSubSection id="44A8A4E6475FD0481761106CC82DD90E" pageId="0" pageNumber="95" type="etymology">
<paragraph id="E63F54F81BFB05107825880B33CAF83C" pageId="0" pageNumber="95">Etymology.</paragraph>
<paragraph id="EF642478CAE3F5E52CF15D0175C63042" pageId="0" pageNumber="95">The specific epithet is a noun in apposition that refers to the name of the lake where the holotype was collected.</paragraph>
</subSubSection>
</treatment>
</document>