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<document id="015896C99260243A2FFA5FCDC527970F" ID-DOI="10.17161/jom.v0i87.11673" ID-ISSN="2325-4467" ID-Zenodo-Dep="13228797" ID-ZooBank="urn:lsid:zoobank.org:pub:64341535-B13B-4A89-9DF7-89D06924ECFA" IM.bibliography_approvedBy="felipe" IM.illustrations_approvedBy="felipe" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" IM.treatments_approvedBy="felipe" checkinTime="1722893657222" checkinUser="felipe" docAuthor="Engel, Michael S." docDate="2019" docId="722E87929246753FFE6A9258D1BFF93D" docLanguage="en" docName="JMelittology.2019.87.1-15.pdf" docOrigin="Journal of Melittology 2019 (87)" docSource="http://dx.doi.org/10.17161/jom.v0i87.11673" docStyle="DocumentStyle:20C606B715423E98DFED429F4976A416.4:JMelittology.2013-.journal_article.0cover" docStyleId="20C606B715423E98DFED429F4976A416" docStyleName="JMelittology.2013-.journal_article.0cover" docStyleVersion="4" docTitle="Trichommation Engel 2019, new genus" docType="treatment" docUuid="1EC370C1-806C-49C9-939D-65DE8CD215D2" docUuidSource="ZooBank" docVersion="2" lastPageNumber="7" masterDocId="8E17FFEA92457538FFBB9039D52EFFF2" masterDocTitle="A new genus of augochlorine bees from northern Venezuela (Hymenoptera: Halictidae)" masterLastPageNumber="15" masterPageNumber="1" pageNumber="4" updateTime="1722900442272" updateUser="ExternalLinkService" zenodo-license-document="CC-BY-NC-ND-4.0">
<mods:mods id="B4703F977768646B26EB4A6B2EDD181B" xmlns:mods="http://www.loc.gov/mods/v3">
<mods:titleInfo id="267C49296D0AED44FBDA4D7E6E80E39B">
<mods:title id="A008F23BDF1D93E98B8CCD4EF3B3F442">A new genus of augochlorine bees from northern Venezuela (Hymenoptera: Halictidae)</mods:title>
</mods:titleInfo>
<mods:name id="DCBAE706492408FB634A74972DAD7F70" type="personal">
<mods:role id="0D0C6E0005D988C3677CA89EA8BC35A2">
<mods:roleTerm id="4C6AE2E251DB9E980120127BFFDE6F59">Author</mods:roleTerm>
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<mods:namePart id="B7AA6FAB48ECEC356D4A3DE73DE548C4">Engel, Michael S.</mods:namePart>
<mods:affiliation id="00537E7D6F5282FF3E274D1377F1DFCA">Division of Entomology, Natural History Museum, and Department of Ecology &amp; Evolutionary Biology, 1501 Crestline Drive - Suite 140, University of Kansas, Lawrence, Kansas 66045 - 4415, USA (msengel @ ku. edu).</mods:affiliation>
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<mods:typeOfResource id="D12712832B4A626FD9296860214B0154">text</mods:typeOfResource>
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<mods:title id="DECF2D950D9A09BEFE499B0C25365F59">Journal of Melittology</mods:title>
</mods:titleInfo>
<mods:part id="832D90D85F96D5E45983BA8E7EA0F345">
<mods:date id="AF65288BB41A2134D52F888E00B80800">2019</mods:date>
<mods:detail id="DD6CBF09C6DD503E07827D6B96C86E90" type="pubDate">
<mods:number id="7962CB7077D48845B175CDD10B9F2C70">2019-08-08</mods:number>
</mods:detail>
<mods:detail id="E32216C2AEDF9104D97B2389E662575D" type="volume">
<mods:number id="457F31C5CFAEFCE48BEE9D7731FF0C45">2019</mods:number>
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<mods:detail id="42478255104AB75CDF5D5E1905D4A2B1" type="issue">
<mods:number id="825C1A0F2EDF966FAF30CF06343A4F51">87</mods:number>
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<mods:location id="30B707805B84D722D36FEC68E1FB7209">
<mods:url id="82BDDC0F561FB0C051A5822C1C0A5668">http://dx.doi.org/10.17161/jom.v0i87.11673</mods:url>
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<mods:classification id="91ADF60C25ABA1349CBE889475949E5B">journal article</mods:classification>
<mods:identifier id="96338402C23B095AFD630534A5BAC98E" type="DOI">10.17161/jom.v0i87.11673</mods:identifier>
<mods:identifier id="44ADCC096259FB87FA486E9A41C09D4B" type="ISSN">2325-4467</mods:identifier>
<mods:identifier id="44B354E725ED53839F24CF781E4C4A3E" type="Zenodo-Dep">13228797</mods:identifier>
<mods:identifier id="8399366DF2773C336C2B770035E01007" type="ZooBank">urn:lsid:zoobank.org:pub:64341535-B13B-4A89-9DF7-89D06924ECFA</mods:identifier>
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<treatment id="722E87929246753FFE6A9258D1BFF93D" LSID="urn:lsid:zoobank.org:act:1EC370C1-806C-49C9-939D-65DE8CD215D2" httpUri="http://treatment.plazi.org/id/722E87929246753FFE6A9258D1BFF93D" lastPageId="7" lastPageNumber="7" pageId="3" pageNumber="4">
<subSubSection id="B29D650F9246753BFE6A9258D111FD6B" pageId="3" pageNumber="4" type="nomenclature">
<paragraph id="FA3836849246753BFE6A9258D64FFD88" blockId="3.[465,865,609,634]" box="[465,865,609,634]" pageId="3" pageNumber="4">
<heading id="A17081E89246753BFE6A9258D64FFD88" box="[465,865,609,634]" centered="true" fontSize="10" level="2" pageId="3" pageNumber="4" reason="2">
<taxonomicName id="3D874D079246753BFE6A9258D7F8FD8B" authority="Engel" authorityName="Engel" authorityYear="2019" box="[465,726,609,633]" class="Insecta" family="Halictidae" genus="Trichommation" kingdom="Animalia" order="Hymenoptera" pageId="3" pageNumber="4" phylum="Arthropoda" rank="genus" status="gen. nov.">
<emphasis id="C8F3EA969246753BFE6A9258D7A4FD8B" bold="true" box="[465,650,609,633]" italics="true" pageId="3" pageNumber="4">Trichommation</emphasis>
Engel
</taxonomicName>
,
<taxonomicNameLabel id="D3C057ED9246753BFD5A925BD64FFD88" box="[737,865,610,634]" pageId="3" pageNumber="4" rank="genus">new genus</taxonomicNameLabel>
</heading>
</paragraph>
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ZooBank:
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urn:lsid:zoobank.org:act:
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</uri>
</paragraph>
</subSubSection>
<subSubSection id="B29D650F9246753BFF6A92FBD64CFD2B" box="[209,866,705,729]" pageId="3" pageNumber="4" type="materials_examined">
<paragraph id="FA3836849246753BFF6A92FBD64CFD2B" blockId="3.[161,1176,705,1785]" box="[209,866,705,729]" pageId="3" pageNumber="4">
<materialsCitation id="4AEF3CD99246753BFF6A92FBD670FD2B" box="[209,862,705,729]" collectionCode="SPECIES" pageId="3" pageNumber="4" specimenCount="1" typeStatus="holotype">
<typeStatus id="253C88269246753BFF6A92FBD429FD2B" box="[209,263,706,729]" pageId="3" pageNumber="4">TYPE</typeStatus>
<collectionCode id="9C96AE419246753BFEB692F8D44DFD2B" box="[269,355,705,729]" pageId="3" pageNumber="4">SPECIES</collectionCode>
:
<taxonomicName id="3D874D079246753BFED692F8D7EDFD2B" authority="Engel" authorityName="Engel" authorityYear="2019" box="[365,707,705,729]" class="Insecta" family="Halictidae" genus="Trichommation" kingdom="Animalia" order="Hymenoptera" pageId="3" pageNumber="4" phylum="Arthropoda" rank="species" species="osculans" status="sp. nov.">
<emphasis id="C8F3EA969246753BFED692F8D758FD2B" box="[365,630,705,729]" italics="true" pageId="3" pageNumber="4">Trichommation osculans</emphasis>
Engel
</taxonomicName>
,
<taxonomicNameLabel id="D3C057ED9246753BFD7692FBD670FD2B" box="[717,862,705,729]" pageId="3" pageNumber="4" rank="species">new species</taxonomicNameLabel>
</materialsCitation>
.
</paragraph>
</subSubSection>
<subSubSection id="B29D650F9246753BFF6A92D8D143FB6B" pageId="3" pageNumber="4" type="diagnosis">
<paragraph id="FA3836849246753BFF6A92D8D143FB6B" blockId="3.[161,1176,705,1785]" pageId="3" pageNumber="4">
DIAGNOSIS:
<taxonomicName id="3D874D079246753BFEED92D8D4D2FD0B" authorityName="Engel" authorityYear="2019" box="[342,508,737,761]" class="Insecta" family="Halictidae" genus="Trichommation" kingdom="Animalia" order="Hymenoptera" pageId="3" pageNumber="4" phylum="Arthropoda" rank="genus">
<emphasis id="C8F3EA969246753BFEED92D8D4D2FD0B" box="[342,508,737,761]" italics="true" pageId="3" pageNumber="4">Trichommation</emphasis>
</taxonomicName>
is unique among genera in the
<taxonomicName id="3D874D079246753BFCDD92D8D6DAFD0B" authorityName="Cockerell" authorityYear="1900" box="[870,1012,737,761]" class="Insecta" family="Halictidae" genus="Megaloptidia" kingdom="Animalia" order="Hymenoptera" pageId="3" pageNumber="4" phylum="Arthropoda" rank="genus">
<emphasis id="C8F3EA969246753BFCDD92D8D6DAFD0B" box="[870,1012,737,761]" italics="true" pageId="3" pageNumber="4">Megaloptidia</emphasis>
</taxonomicName>
-genus group for the possession of distinct ocular setae (most genera have minute setae, but these are about as long as a single ommatidial diameter, or often less, while in the new genus these setae are more than twice the ommatidial diameter, and often thrice or more). The new genus is most similar to
<taxonomicName id="3D874D079246753BFD92935BD7E8FC8B" box="[553,710,866,889]" class="Insecta" family="Halictidae" genus="Megommation" kingdom="Animalia" order="Hymenoptera" pageId="3" pageNumber="4" phylum="Arthropoda" rank="genus">
<emphasis id="C8F3EA969246753BFD92935BD7E8FC8B" box="[553,710,866,889]" italics="true" pageId="3" pageNumber="4">Megommation</emphasis>
</taxonomicName>
and
<taxonomicName id="3D874D079246753BFCBB9358D6A0FC8B" authorityName="Cockerell" authorityYear="1900" box="[768,910,865,889]" class="Insecta" family="Halictidae" genus="Megaloptidia" kingdom="Animalia" order="Hymenoptera" pageId="3" pageNumber="4" phylum="Arthropoda" rank="genus">
<emphasis id="C8F3EA969246753BFCBB9358D6A0FC8B" box="[768,910,865,889]" italics="true" pageId="3" pageNumber="4">Megaloptidia</emphasis>
</taxonomicName>
, but differs from both in the pectinate inner metatibial spur (serrate in the former two genera), presence of basal rugae on the basal area of the propodeum (entirely coriarious without other sculpturing in the former two genera), and smaller body size (just under
<quantity id="3D7F9B619246753BFC4C93F8D169FC2B" box="[1015,1095,961,985]" metricMagnitude="-2" metricUnit="m" metricValue="1.0" pageId="3" pageNumber="4" unit="mm" value="10.0">10 mm</quantity>
in the new genus, while the former two genera are over
<quantity id="3D7F9B619246753BFD4993D8D66BFC0B" box="[754,837,993,1017]" metricMagnitude="-2" metricUnit="m" metricValue="1.1" pageId="3" pageNumber="4" unit="mm" value="11.0">11 mm</quantity>
, and frequently
<quantity id="3D7F9B619246753BFBB393D8D1A4FC08" box="[1032,1162,993,1018]" metricMagnitude="-2" metricUnit="m" metricValue="1.35" metricValueMax="1.5" metricValueMin="1.2" pageId="3" pageNumber="4" unit="mm" value="13.5" valueMax="15.0" valueMin="12.0">12–15 mm</quantity>
). Apart from the aforementioned traits, the combination of the following further discriminates the genus from others: ocelli enlarged; compound eyes not enlarged, with upper tangent not exceeding level of vertex; labral distal process narrowly triangular, narrower than basal area; labral basal area suborbicular; hypostomal ridge lamellate; probasitarsal brush present; and metabasitibial plate with all borders well defined.
</paragraph>
</subSubSection>
<subSubSection id="B29D650F9246753DFF6A9498D459F902" lastPageId="5" lastPageNumber="6" pageId="3" pageNumber="4" type="description">
<paragraph id="FA3836849246753DFF6A9498D459F902" blockId="3.[161,1176,705,1785]" lastBlockId="5.[160,1168,1688,1776]" lastPageId="5" lastPageNumber="6" pageId="3" pageNumber="4">
DESCRIPTION:
<specimenCount id="EC81FD0D9246753BFECF949BD4A6FB4E" box="[372,392,1186,1212]" count="1" pageId="3" pageNumber="4" type="female">♀</specimenCount>
: Mandible short (length from anterior articulation to apex subequal to lower interorbital distance: versus well surpassing it as in
<taxonomicName id="3D874D079246753BFC6094F8D1AFFB2B" authorityName="Engel, Brooks &amp; Yanega" authorityYear="1997" box="[987,1153,1217,1241]" class="Insecta" family="Halictidae" genus="Cleptommation" higherTaxonomySource="GBIF" kingdom="Animalia" order="Hymenoptera" pageId="3" pageNumber="15" phylum="Arthropoda" rank="genus">
<emphasis id="C8F3EA969246753BFC6094F8D1AFFB2B" box="[987,1153,1217,1241]" italics="true" pageId="3" pageNumber="4">Cleptommation</emphasis>
</taxonomicName>
), with acute subapical tooth. Labrum with distal process narrowly triangular, lateral teeth absent (
<figureCitation id="62BC2A019246753BFE809538D452FAE8" box="[315,380,1281,1306]" captionStart="Figures 6–7" captionStartId="5.[160,241,1574,1596]" captionTargetBox="[160,1168,224,1568]" captionTargetId="figure-83@5.[160,1168,224,1568]" captionTargetPageId="5" captionText="Figures 6–7. Labral and clypeal details from holotype female of Trichommation osculans, new ge- nus and species (clypeal angles of marginal area highlighted in green). 6. Direct view of clypeal apex and labral basal area. 7. Oblique view of clypeal apex and narrow labral distal process." figureDoi="http://doi.org/10.5281/zenodo.13228803" httpUri="https://zenodo.org/record/13228803/files/figure.png" pageId="3" pageNumber="4">Fig. 7</figureCitation>
); basal elevation suborbicular, slightly protuberant, with apical surface flatened (
<figureCitation id="62BC2A019246753BFEF09518D4A3FACB" box="[331,397,1313,1337]" captionStart="Figures 6–7" captionStartId="5.[160,241,1574,1596]" captionTargetBox="[160,1168,224,1568]" captionTargetId="figure-83@5.[160,1168,224,1568]" captionTargetPageId="5" captionText="Figures 6–7. Labral and clypeal details from holotype female of Trichommation osculans, new ge- nus and species (clypeal angles of marginal area highlighted in green). 6. Direct view of clypeal apex and labral basal area. 7. Oblique view of clypeal apex and narrow labral distal process." figureDoi="http://doi.org/10.5281/zenodo.13228803" httpUri="https://zenodo.org/record/13228803/files/figure.png" pageId="3" pageNumber="4">Fig. 6</figureCitation>
). Prementum greatly narrowed and elongate (
<figureCitation id="62BC2A019246753BFC169518D6C1FACB" box="[941,1007,1313,1337]" captionStart="Figures 3–5" captionStartId="4.[161,242,1574,1596]" captionTargetBox="[170,1151,237,1545]" captionTargetId="figure-79@4.[160,1168,224,1568]" captionTargetPageId="4" captionText="Figures 3–5. Holotype female of Trichommation osculans, new genus and species. 3. Facial view. 4. Ventral view of head. 5. Dorsal habitus." figureDoi="http://doi.org/10.5281/zenodo.13228801" httpUri="https://zenodo.org/record/13228801/files/figure.png" pageId="3" pageNumber="4">Fig. 4</figureCitation>
). Galeal apex acutely pointed (
<figureCitation id="62BC2A019246753BFEDC9578D49BFAAB" box="[359,437,1345,1369]" captionStart="Figures 3–5" captionStartId="4.[161,242,1574,1596]" captionTargetBox="[170,1151,237,1545]" captionTargetId="figure-79@4.[160,1168,224,1568]" captionTargetPageId="4" captionText="Figures 3–5. Holotype female of Trichommation osculans, new genus and species. 3. Facial view. 4. Ventral view of head. 5. Dorsal habitus." figureDoi="http://doi.org/10.5281/zenodo.13228801" httpUri="https://zenodo.org/record/13228801/files/figure.png" pageId="3" pageNumber="4">Figs. 4</figureCitation>
,
<figureCitation id="62BC2A019246753BFE7A9578D4FEFAAB" box="[449,464,1345,1369]" captionStart="Figures 8–9" captionStartId="6.[160,241,1574,1596]" captionTargetBox="[160,1168,224,1568]" captionTargetId="figure-86@6.[160,1168,224,1568]" captionTargetPageId="6" captionText="Figures 8–9. Head details of Trichommation osculans, new genus and species. 8. Lateral oblique view of labiomaxillary complex and hypostomal lamella (arrow points to posterior enlargement of lamella). 9. Detail of compound eye showing fine ocular setae." figureDoi="http://doi.org/10.5281/zenodo.13228805" httpUri="https://zenodo.org/record/13228805/files/figure.png" pageId="3" pageNumber="4">8</figureCitation>
). Hypostomal ridge lamellate, particularly strongly so posteriorly (
<figureCitation id="62BC2A019246753BFEBD9558D469FA8B" box="[262,327,1377,1401]" captionStart="Figures 8–9" captionStartId="6.[160,241,1574,1596]" captionTargetBox="[160,1168,224,1568]" captionTargetId="figure-86@6.[160,1168,224,1568]" captionTargetPageId="6" captionText="Figures 8–9. Head details of Trichommation osculans, new genus and species. 8. Lateral oblique view of labiomaxillary complex and hypostomal lamella (arrow points to posterior enlargement of lamella). 9. Detail of compound eye showing fine ocular setae." figureDoi="http://doi.org/10.5281/zenodo.13228805" httpUri="https://zenodo.org/record/13228805/files/figure.png" pageId="3" pageNumber="4">Fig. 8</figureCitation>
); anterior angle rounded. Malar space linear, base of mandible abuting lower tangent of compound eye (
<figureCitation id="62BC2A019246753BFD9395B8D758FA6B" box="[552,630,1409,1433]" captionStart="Figures 1–2" captionStartId="2.[160,241,1555,1577]" captionTargetBox="[160,1149,232,1549]" captionTargetId="figure-73@2.[160,1168,224,1549]" captionTargetPageId="2" captionText="Figures 1–2. Holotype female of Trichommation osculans, new genus and species. 1. Lateral habitus. 2. Lateral detail of head and mesosoma." figureDoi="http://doi.org/10.5281/zenodo.13228799" httpUri="https://zenodo.org/record/13228799/files/figure.png" pageId="3" pageNumber="4">Figs. 2</figureCitation>
,
<figureCitation id="62BC2A019246753BFD3995B8D7BFFA6B" box="[642,657,1409,1433]" captionStart="Figures 3–5" captionStartId="4.[161,242,1574,1596]" captionTargetBox="[170,1151,237,1545]" captionTargetId="figure-79@4.[160,1168,224,1568]" captionTargetPageId="4" captionText="Figures 3–5. Holotype female of Trichommation osculans, new genus and species. 3. Facial view. 4. Ventral view of head. 5. Dorsal habitus." figureDoi="http://doi.org/10.5281/zenodo.13228801" httpUri="https://zenodo.org/record/13228801/files/figure.png" pageId="3" pageNumber="4">3</figureCitation>
). Epistomal sulcus forming orthogonal angle (
<figureCitation id="62BC2A019246753BFF689598D438FA4B" box="[211,278,1441,1465]" captionStart="Figures 3–5" captionStartId="4.[161,242,1574,1596]" captionTargetBox="[170,1151,237,1545]" captionTargetId="figure-79@4.[160,1168,224,1568]" captionTargetPageId="4" captionText="Figures 3–5. Holotype female of Trichommation osculans, new genus and species. 3. Facial view. 4. Ventral view of head. 5. Dorsal habitus." figureDoi="http://doi.org/10.5281/zenodo.13228801" httpUri="https://zenodo.org/record/13228801/files/figure.png" pageId="3" pageNumber="4">Fig. 3</figureCitation>
). Ocelli greatly enlarged (
<figureCitation id="62BC2A019246753BFDF49598D7B3FA4B" box="[591,669,1441,1465]" captionStart="Figures 1–2" captionStartId="2.[160,241,1555,1577]" captionTargetBox="[160,1149,232,1549]" captionTargetId="figure-73@2.[160,1168,224,1549]" captionTargetPageId="2" captionText="Figures 1–2. Holotype female of Trichommation osculans, new genus and species. 1. Lateral habitus. 2. Lateral detail of head and mesosoma." figureDoi="http://doi.org/10.5281/zenodo.13228799" httpUri="https://zenodo.org/record/13228799/files/figure.png" pageId="3" pageNumber="4">Figs. 2</figureCitation>
,
<figureCitation id="62BC2A019246753BFD129598D799FA4B" box="[681,695,1441,1465]" captionStart="Figures 3–5" captionStartId="4.[161,242,1574,1596]" captionTargetBox="[170,1151,237,1545]" captionTargetId="figure-79@4.[160,1168,224,1568]" captionTargetPageId="4" captionText="Figures 3–5. Holotype female of Trichommation osculans, new genus and species. 3. Facial view. 4. Ventral view of head. 5. Dorsal habitus." figureDoi="http://doi.org/10.5281/zenodo.13228801" httpUri="https://zenodo.org/record/13228801/files/figure.png" pageId="3" pageNumber="4">3</figureCitation>
); ocellar furrow absent; compound eyes not greatly enlarged, upper tangent not exceeding level of vertex in facial view (
<figureCitation id="62BC2A019246753BFBFA95F8D1ACFA2B" box="[1089,1154,1473,1497]" captionStart="Figures 3–5" captionStartId="4.[161,242,1574,1596]" captionTargetBox="[170,1151,237,1545]" captionTargetId="figure-79@4.[160,1168,224,1568]" captionTargetPageId="4" captionText="Figures 3–5. Holotype female of Trichommation osculans, new genus and species. 3. Facial view. 4. Ventral view of head. 5. Dorsal habitus." figureDoi="http://doi.org/10.5281/zenodo.13228801" httpUri="https://zenodo.org/record/13228801/files/figure.png" pageId="3" pageNumber="4">Fig. 3</figureCitation>
); compound eyes with distinct ocular setae (
<figureCitation id="62BC2A019246753BFD2D95D8D7F6FA0B" box="[662,728,1505,1529]" captionStart="Figures 8–9" captionStartId="6.[160,241,1574,1596]" captionTargetBox="[160,1168,224,1568]" captionTargetId="figure-86@6.[160,1168,224,1568]" captionTargetPageId="6" captionText="Figures 8–9. Head details of Trichommation osculans, new genus and species. 8. Lateral oblique view of labiomaxillary complex and hypostomal lamella (arrow points to posterior enlargement of lamella). 9. Detail of compound eye showing fine ocular setae." figureDoi="http://doi.org/10.5281/zenodo.13228805" httpUri="https://zenodo.org/record/13228805/files/figure.png" pageId="3" pageNumber="4">Fig. 9</figureCitation>
), individual setae longer than ommatidial diameter. Vertex not expanded or ridged posterior to ocelli, short (subequal to ocellar diameter), without ocellar furrow. Antennal flagellum with 10 flagellomeres. Preoccipital ridge rounded. Pronotal lateral angle obtuse, not projected, lateral ridge rounded, dorsal ridge not carinate. Mesoscutum broadly rounded anteriorly; mesoscutal lip low and rounded. Tegula oval. Probasitarsal brush absent. Scopa formed of long, plumose setae on metafemur, setae uniformly golden yellow (
<figureCitation id="62BC2A019246753BFC7E9698D13CF94B" box="[965,1042,1697,1721]" captionStart="Figures 1–2" captionStartId="2.[160,241,1555,1577]" captionTargetBox="[160,1149,232,1549]" captionTargetId="figure-73@2.[160,1168,224,1549]" captionTargetPageId="2" captionText="Figures 1–2. Holotype female of Trichommation osculans, new genus and species. 1. Lateral habitus. 2. Lateral detail of head and mesosoma." figureDoi="http://doi.org/10.5281/zenodo.13228799" httpUri="https://zenodo.org/record/13228799/files/figure.png" pageId="3" pageNumber="4">Figs. 1</figureCitation>
,
<figureCitation id="62BC2A019246753BFB9A9698D110F94B" box="[1057,1086,1697,1721]" captionStart="Figures 14–17" captionStartId="8.[160,241,1300,1322]" captionTargetBox="[177,1151,234,1289]" captionTargetId="figure-98@8.[160,1168,224,1295]" captionTargetPageId="8" captionText="Figures 14–17. Details of holotype female of Trichommation osculans, new genus and species, and Megommation insigne (Smith). 14. Hind leg of T. osculans. 15. Metabasitibial plate of T. osculans. 16. Inner and outer metatibial spurs of T. osculans. 17. Hind leg of M. insigne." figureDoi="http://doi.org/10.5281/zenodo.13228809" httpUri="https://zenodo.org/record/13228809/files/figure.png" pageId="3" pageNumber="4">14</figureCitation>
); inner ridge of metatibia with long, branched setae blending to simple setae on outer surface; inner surface of metatibia with dense simple setae. Metabasitibial plate distinct on anterior and posterior borders (
<figureCitation id="62BC2A019241753CFDFD9645D7B4F966" box="[582,666,1660,1684]" captionStart="Figures 14–17" captionStartId="8.[160,241,1300,1322]" captionTargetBox="[177,1151,234,1289]" captionTargetId="figure-98@8.[160,1168,224,1295]" captionTargetPageId="8" captionText="Figures 14–17. Details of holotype female of Trichommation osculans, new genus and species, and Megommation insigne (Smith). 14. Hind leg of T. osculans. 15. Metabasitibial plate of T. osculans. 16. Inner and outer metatibial spurs of T. osculans. 17. Hind leg of M. insigne." figureDoi="http://doi.org/10.5281/zenodo.13228809" httpUri="https://zenodo.org/record/13228809/files/figure.png" pageId="4" pageNumber="5">Fig. 15</figureCitation>
), apex acutely rounded. Inner metatibial spur pectinate (
<figureCitation id="62BC2A019241753CFEEE96A5D48AF946" box="[341,420,1692,1716]" captionStart="Figures 14–17" captionStartId="8.[160,241,1300,1322]" captionTargetBox="[177,1151,234,1289]" captionTargetId="figure-98@8.[160,1168,224,1295]" captionTargetPageId="8" captionText="Figures 14–17. Details of holotype female of Trichommation osculans, new genus and species, and Megommation insigne (Smith). 14. Hind leg of T. osculans. 15. Metabasitibial plate of T. osculans. 16. Inner and outer metatibial spurs of T. osculans. 17. Hind leg of M. insigne." figureDoi="http://doi.org/10.5281/zenodo.13228809" httpUri="https://zenodo.org/record/13228809/files/figure.png" pageId="4" pageNumber="5">Fig. 16</figureCitation>
), fewer than 10 branches, branches not densely packed together. Forewing with marginal cell apex acute. Hind wing with distal hamuli irregularly spaced (2-1-2). Basal area of propodeum slightly shorter than mesoscutellum, surface coriarious (
<emphasis id="C8F3EA969240753DFE9D96A1D44DF95D" box="[294,355,1688,1711]" italics="true" pageId="5" pageNumber="6">sensu</emphasis>
<bibRefCitation id="9E164B759240753DFED196A1D4D2F942" author="Harris, R. A." box="[362,508,1688,1712]" pageId="5" pageNumber="6" pagination="1 - 31" refId="ref5377" refString="Harris, R. A. 1979. A glossary of surface sculpturing. Occasional Papers in Entomology 28: 1 - 31." type="journal article" year="1979">Harris, 1979</bibRefCitation>
), with short, basal rugae (
<figureCitation id="62BC2A019240753DFC9596A1D651F942" box="[814,895,1688,1712]" captionStart="Figures 10–13" captionStartId="7.[160,241,1574,1596]" captionTargetBox="[160,1168,224,1568]" captionTargetId="figure-75@7.[160,1168,224,1568]" captionTargetPageId="7" captionText="Figures 10–13. Details of holotype female of Trichommation osculans, new genus and species. 10. Forewing. 11. Detail of mesoscutum, mesoscutellum, and metanotum. 12. Detail of mesoscutellum, metanotum, and basal area of propodeum. 13. Detail of protibial calcar." figureDoi="http://doi.org/10.5281/zenodo.13228807" httpUri="https://zenodo.org/record/13228807/files/figure.png" pageId="5" pageNumber="6">Fig. 12</figureCitation>
), border between basal area and posterior surface broadly rounded; propodeal pit narrow, slit-like. Metasoma unmodified.
</paragraph>
</subSubSection>
<caption id="AEF8660C9241753CFF1A961FD74FF9AB" ID-DOI="http://doi.org/10.5281/zenodo.13228801" ID-Zenodo-Dep="13228801" httpUri="https://zenodo.org/record/13228801/files/figure.png" pageId="4" pageNumber="5" startId="4.[161,242,1574,1596]" targetBox="[170,1151,237,1545]" targetPageId="4" targetType="figure">
<paragraph id="FA3836849241753CFF1A961FD74FF9AB" blockId="4.[161,1175,1574,1625]" pageId="4" pageNumber="5">
<emphasis id="C8F3EA969241753CFF1A961FD40CF9C9" bold="true" box="[161,290,1574,1596]" pageId="4" pageNumber="5">Figures 3–5.</emphasis>
Holotype female of
<taxonomicName id="3D874D079241753CFE45961ED7C3F9CE" authorityName="Engel" authorityYear="2019" box="[510,749,1575,1596]" class="Insecta" family="Halictidae" genus="Trichommation" kingdom="Animalia" order="Hymenoptera" pageId="4" pageNumber="5" phylum="Arthropoda" rank="species" species="osculans" status="new genus and species">
<emphasis id="C8F3EA969241753CFE45961ED7C3F9CE" box="[510,749,1575,1596]" italics="true" pageId="4" pageNumber="5">Trichommation osculans</emphasis>
</taxonomicName>
,
<taxonomicNameLabel id="D3C057ED9241753CFD43961ED6C3F9CF" box="[760,1005,1575,1597]" pageId="4" pageNumber="5" rank="species">new genus and species</taxonomicNameLabel>
.
<emphasis id="C8F3EA969241753CFC40961FD120F9C9" bold="true" box="[1019,1038,1574,1595]" pageId="4" pageNumber="5">3.</emphasis>
Facial view.
<emphasis id="C8F3EA969241753CFF1A967AD59DF9AA" bold="true" box="[161,179,1603,1624]" pageId="4" pageNumber="5">4.</emphasis>
Ventral view of head.
<emphasis id="C8F3EA969241753CFE1C967AD497F9AA" bold="true" box="[423,441,1603,1624]" pageId="4" pageNumber="5">5.</emphasis>
Dorsal habitus.
</paragraph>
</caption>
<caption id="AEF8660C9240753DFF1B961FD15AF984" ID-DOI="http://doi.org/10.5281/zenodo.13228803" ID-Zenodo-Dep="13228803" httpUri="https://zenodo.org/record/13228803/files/figure.png" pageId="5" pageNumber="6" startId="5.[160,241,1574,1596]" targetBox="[160,1168,224,1568]" targetPageId="5" targetType="figure">
<paragraph id="FA3836849240753DFF1B961FD15AF984" blockId="5.[160,1168,1574,1654]" pageId="5" pageNumber="6">
<emphasis id="C8F3EA969240753DFF1B961FD40EF9C9" bold="true" box="[160,288,1574,1596]" pageId="5" pageNumber="6">Figures 6–7.</emphasis>
Labral and clypeal details from holotype female of
<taxonomicName id="3D874D079240753DFCF8961ED11FF9CE" authorityName="Engel" authorityYear="2019" box="[835,1073,1575,1596]" class="Insecta" family="Halictidae" genus="Trichommation" kingdom="Animalia" order="Hymenoptera" pageId="5" pageNumber="6" phylum="Arthropoda" rank="species" species="osculans" status="new genus and species">
<emphasis id="C8F3EA969240753DFCF8961ED11FF9CE" box="[835,1073,1575,1596]" italics="true" pageId="5" pageNumber="6">Trichommation osculans</emphasis>
</taxonomicName>
,
<taxonomicNameLabel id="D3C057ED9240753DFB87961ED46BF9AB" pageId="5" pageNumber="6" rank="species">new genus and species</taxonomicNameLabel>
(clypeal angles of marginal area highlighted in green).
<emphasis id="C8F3EA969240753DFC29967AD68AF9AA" bold="true" box="[914,932,1603,1624]" pageId="5" pageNumber="6">6.</emphasis>
Direct view of clypeal apex and labral basal area.
<emphasis id="C8F3EA969240753DFE7E9659D4F9F987" bold="true" box="[453,471,1632,1653]" pageId="5" pageNumber="6">7.</emphasis>
Oblique view of clypeal apex and narrow labral distal process.
</paragraph>
</caption>
<caption id="AEF8660C9243753EFF1B961FD67DF984" ID-DOI="http://doi.org/10.5281/zenodo.13228805" ID-Zenodo-Dep="13228805" httpUri="https://zenodo.org/record/13228805/files/figure.png" pageId="6" pageNumber="7" startId="6.[160,241,1574,1596]" targetBox="[160,1168,224,1568]" targetPageId="6" targetType="figure">
<paragraph id="FA3836849243753EFF1B961FD67DF984" blockId="6.[160,1169,1574,1654]" pageId="6" pageNumber="7">
<emphasis id="C8F3EA969243753EFF1B961FD40CF9C9" bold="true" box="[160,290,1574,1596]" pageId="6" pageNumber="7">Figures 8–9.</emphasis>
Head details of
<taxonomicName id="3D874D079243753EFE6D961ED7EBF9CE" authorityName="Engel" authorityYear="2019" box="[470,709,1575,1596]" class="Insecta" family="Halictidae" genus="Trichommation" kingdom="Animalia" order="Hymenoptera" pageId="6" pageNumber="7" phylum="Arthropoda" rank="species" species="osculans" status="new genus and species">
<emphasis id="C8F3EA969243753EFE6D961ED7EBF9CE" box="[470,709,1575,1596]" italics="true" pageId="6" pageNumber="7">Trichommation osculans</emphasis>
</taxonomicName>
,
<taxonomicNameLabel id="D3C057ED9243753EFD69961ED6E6F9CF" box="[722,968,1575,1597]" pageId="6" pageNumber="7" rank="species">new genus and species</taxonomicNameLabel>
.
<emphasis id="C8F3EA969243753EFC63961FD6C4F9C9" bold="true" box="[984,1002,1574,1595]" pageId="6" pageNumber="7">8.</emphasis>
Lateral oblique view of labiomaxillary complex and hypostomal lamella (arrow points to posterior enlargement of lamella).
<emphasis id="C8F3EA969243753EFE989659D41BF987" bold="true" box="[291,309,1632,1653]" pageId="6" pageNumber="7">9.</emphasis>
Detail of compound eye showing fine ocular setae.
</paragraph>
</caption>
<subSubSection id="B29D650F9243753FFF6B96A1D1BFF93D" lastPageId="7" lastPageNumber="8" pageId="6" pageNumber="7" type="etymology">
<paragraph id="FA3836849243753FFF6B96A1D1BFF93D" blockId="6.[160,1169,1688,1776]" lastBlockId="7.[160,1169,1688,1744]" lastPageId="7" lastPageNumber="8" pageId="6" pageNumber="7">
ETYMOLOGY: The new genus-group name is a combination of the Greek words
<emphasis id="C8F3EA969243753EFF1B9681D5C7F922" box="[160,233,1720,1744]" italics="true" pageId="6" pageNumber="7">trichós</emphasis>
(genitive singular of
<emphasis id="C8F3EA969243753EFE589681D736F922" box="[483,536,1720,1744]" italics="true" pageId="6" pageNumber="7">thríx</emphasis>
, meaning, “hair”) and
<emphasis id="C8F3EA969243753EFC9D9681D6BCF93D" box="[806,914,1720,1743]" italics="true" pageId="6" pageNumber="7">ommation</emphasis>
(diminutive of
<emphasis id="C8F3EA969243753EFBF39681D1A7F93D" box="[1096,1161,1720,1743]" italics="true" pageId="6" pageNumber="7">ómma</emphasis>
, meaning, “eye”), and is a reference to the setose compound eyes, distinctive among the
<taxonomicName id="3D874D079242753FFF1B96A1D400F942" authorityName="Cockerell" authorityYear="1900" box="[160,302,1688,1712]" class="Insecta" family="Halictidae" genus="Megaloptidia" kingdom="Animalia" order="Hymenoptera" pageId="7" pageNumber="8" phylum="Arthropoda" rank="genus">
<emphasis id="C8F3EA969242753FFF1B96A1D400F942" box="[160,302,1688,1712]" italics="true" pageId="7" pageNumber="8">Megaloptidia</emphasis>
</taxonomicName>
-group of genera. The name also refers to the general similarity between this new taxon and the genus
<taxonomicName id="3D874D079242753FFDBB9681D7D4F93D" authority="Moure." authorityName="Moure." box="[512,762,1720,1743]" class="Insecta" family="Halictidae" genus="Megommation" kingdom="Animalia" order="Hymenoptera" pageId="7" pageNumber="8" phylum="Arthropoda" rank="genus">
<emphasis id="C8F3EA969242753FFDBB9681D7B3F93D" box="[512,669,1720,1743]" italics="true" pageId="7" pageNumber="8">Megommation</emphasis>
Moure.
</taxonomicName>
The gender of the name is neuter.
</paragraph>
</subSubSection>
</treatment>
</document>
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