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<document id="F0E5B1DA119094378133D2A28D2090FF" ID-CLB-Dataset="7439" ID-DOI="10.11646/zootaxa.4934.1.1" ID-GBIF-Dataset="300bac18-55f5-4e34-90e1-7fccd02d68c1" ID-ISSN="1175-5326" ID-Zenodo-Dep="4558796" ID-ZooBank="79895443-4597-42A5-AF8A-023EACB20E10" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" IM.treatments_approvedBy="felipe" checkinTime="1614157470936" checkinUser="plazi" docAuthor="Archibald, Bruce, Cannings, Robert A., Erickson, Robert J., Bybee, Seth M. &amp; Mathewes, Rolf W." docDate="2021" docId="03B487C20023FFA6FF5BFEAFFC87153C" docLanguage="en" docName="zootaxa.4934.1.1.pdf" docOrigin="Zootaxa 4934 (1)" docStyle="DocumentStyle:5EBBA59367AD13919D70D935FA04F6A3.14:Zootaxa.2013-.monograph" docStyleId="5EBBA59367AD13919D70D935FA04F6A3" docStyleName="Zootaxa.2013-.monograph" docStyleVersion="14" docTitle="Okanagrion lochmum Archibald &amp; Cannings &amp; Erickson &amp; Bybee &amp; Mathewes 2021, new species" docType="treatment" docVersion="7" lastPageNumber="50" masterDocId="FF8DFFBA0012FF97FFCCFFE5FFAE1215" masterDocTitle="The Cephalozygoptera, a new, extinct suborder of Odonata with new taxa from the early Eocene Okanagan Highlands, western North America" masterLastPageNumber="133" masterPageNumber="1" pageNumber="50" updateTime="1698931040708" updateUser="ExternalLinkService">
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<mods:title id="9DA6D2A61356AB371D075DF2E1CD00B7">The Cephalozygoptera, a new, extinct suborder of Odonata with new taxa from the early Eocene Okanagan Highlands, western North America</mods:title>
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<mods:namePart id="9F1F6054C9720F2D6DAEE01DBE761D24">Archibald, Bruce</mods:namePart>
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<mods:namePart id="F20F677A91600BCB4191B4A899A76884">Cannings, Robert A.</mods:namePart>
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<mods:namePart id="84B6DC885E8103C04E30A515DA582AEA">Erickson, Robert J.</mods:namePart>
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<mods:namePart id="4944F8D734DF0ED2740A5DB19C49262B">Bybee, Seth M.</mods:namePart>
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<mods:namePart id="E8A0AA3845DCAFA67681DD28B544F3CD">Mathewes, Rolf W.</mods:namePart>
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<mods:date id="188C079C6B91EF73E02175FC652FD271">2021</mods:date>
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<mods:number id="0161E80847C2F538D880A527AC4355EF">4934</mods:number>
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<treatment id="03B487C20023FFA6FF5BFEAFFC87153C" ID-DOI="http://doi.org/10.5281/zenodo.4672740" ID-GBIF-Taxon="180881815" ID-Zenodo-Dep="4672740" LSID="urn:lsid:plazi:treatment:03B487C20023FFA6FF5BFEAFFC87153C" httpUri="http://treatment.plazi.org/id/03B487C20023FFA6FF5BFEAFFC87153C" lastPageNumber="50" pageId="49" pageNumber="50">
<subSubSection id="C307655F0023FFA6FF5BFEAFFCCA1371" box="[151,868,330,357]" pageId="49" pageNumber="50" type="nomenclature">
<paragraph id="8BA236D40023FFA6FF5BFEAFFCCA1371" blockId="49.[151,868,330,393]" box="[151,868,330,357]" pageId="49" pageNumber="50">
<heading id="D0EA81B80023FFA6FF5BFEAFFCCA1371" bold="true" box="[151,868,330,357]" fontSize="11" level="2" pageId="49" pageNumber="50" reason="4">
<emphasis id="B969EAC60023FFA6FF5BFEAFFCCA1371" bold="true" box="[151,868,330,357]" pageId="49" pageNumber="50">
<taxonomicName id="4C1D4D570023FFA6FF5BFEAFFD661371" authority="Archibald &amp; Cannings" authorityName="Archibald &amp; Cannings &amp; Erickson &amp; Bybee &amp; Mathewes" authorityYear="2021" box="[151,712,330,357]" class="Insecta" family="Dysagrionidae" genus="Okanagrion" higherTaxonomySource="GBIF" kingdom="Animalia" order="Odonata" pageId="49" pageNumber="50" phylum="Arthropoda" rank="species" species="lochmum" status="sp. nov.">
<emphasis id="B969EAC60023FFA6FF5BFEAFFE0D1370" bold="true" box="[151,419,330,357]" italics="true" pageId="49" pageNumber="50">Okanagrion lochmum</emphasis>
Archibald &amp; Cannings
</taxonomicName>
,
<taxonomicNameLabel id="A25A57BD0023FFA6FD18FEAEFCCA1371" box="[724,868,330,357]" pageId="49" pageNumber="50" rank="species">new species</taxonomicNameLabel>
</emphasis>
</heading>
</paragraph>
</subSubSection>
<subSubSection id="C307655F0023FFA6FF5BFE8AFF40139C" box="[151,238,367,393]" pageId="49" pageNumber="50" type="description">
<paragraph id="8BA236D40023FFA6FF5BFE8AFF40139C" blockId="49.[151,868,330,393]" box="[151,238,367,393]" pageId="49" pageNumber="50">
<figureCitation id="13262A510023FFA6FF5BFE8AFF44139C" box="[151,234,367,393]" captionStart="FIGURE 23" captionStartId="50.[151,250,1999,2023]" captionTargetBox="[221,1367,187,1967]" captionTargetId="figure-19@50.[207,1380,181,1975]" captionTargetPageId="50" captionText="FIGURE 23. Okanagrion lochmum holotype, RBCM 11799.001. A, photograph; B, drawing. Both to scale, 5 mm." figureDoi="http://doi.org/10.5281/zenodo.4558858" httpUri="https://zenodo.org/record/4558858/files/figure.png" pageId="49" pageNumber="50">Fig. 23</figureCitation>
.
</paragraph>
</subSubSection>
<subSubSection id="C307655F0023FFA6FF5BFE53FDBD16B4" pageId="49" pageNumber="50" type="diagnosis">
<paragraph id="8BA236D40023FFA6FF5BFE53FDC2164C" blockId="49.[151,1437,438,1833]" pageId="49" pageNumber="50">
<emphasis id="B969EAC60023FFA6FF5BFE53FEBC13C5" bold="true" box="[151,274,438,464]" pageId="49" pageNumber="50">Diagnosis.</emphasis>
Wings separated from those of
<taxonomicName id="4C1D4D570023FFA6FDB4FE52FCAC13C4" authorityName="Archibald &amp; Cannings &amp; Erickson &amp; Bybee &amp; Mathewes" authorityYear="2021" box="[632,770,439,465]" class="Insecta" family="Dysagrionidae" genus="Okanagrion" higherTaxonomySource="GBIF" kingdom="Animalia" order="Odonata" pageId="49" pageNumber="50" phylum="Arthropoda" rank="species" species="worleyae">
<emphasis id="B969EAC60023FFA6FDB4FE52FCAC13C4" box="[632,770,439,465]" italics="true" pageId="49" pageNumber="50">O. worleyae</emphasis>
</taxonomicName>
by shape: posterior margin more deeply curved (
<taxonomicName id="4C1D4D570023FFA6FAE1FE52FF6F13E1" authorityName="Archibald &amp; Cannings &amp; Erickson &amp; Bybee &amp; Mathewes" authorityYear="2021" class="Insecta" family="Dysagrionidae" genus="Okanagrion" higherTaxonomySource="GBIF" kingdom="Animalia" order="Odonata" pageId="49" pageNumber="50" phylum="Arthropoda" rank="species" species="angustum">
<emphasis id="B969EAC60023FFA6FAE1FE52FAEF13C4" box="[1325,1345,439,465]" italics="true" pageId="49" pageNumber="50">O</emphasis>
.
<emphasis id="B969EAC60023FFA6FA9CFE52FF6F13E1" italics="true" pageId="49" pageNumber="50">angustum</emphasis>
</taxonomicName>
not known by preservation); from
<taxonomicName id="4C1D4D570023FFA6FD9AFE3EFD6C13E0" authorityName="Archibald &amp; Cannings &amp; Erickson &amp; Bybee &amp; Mathewes" authorityYear="2021" box="[598,706,475,501]" class="Insecta" family="Dysagrionidae" genus="Okanagrion" higherTaxonomySource="GBIF" kingdom="Animalia" order="Odonata" pageId="49" pageNumber="50" phylum="Arthropoda" rank="species" species="beardi">
<emphasis id="B969EAC60023FFA6FD9AFE3EFD6C13E0" box="[598,706,475,501]" italics="true" pageId="49" pageNumber="50">O. beardi</emphasis>
</taxonomicName>
,
<taxonomicName id="4C1D4D570023FFA6FD1EFE3EFCF013E0" authorityName="Archibald &amp; Cannings &amp; Erickson &amp; Bybee &amp; Mathewes" authorityYear="2021" box="[722,862,475,501]" class="Insecta" family="Dysagrionidae" genus="Okanagrion" higherTaxonomySource="GBIF" kingdom="Animalia" order="Odonata" pageId="49" pageNumber="50" phylum="Arthropoda" rank="species" species="dorrellae">
<emphasis id="B969EAC60023FFA6FD1EFE3EFD4813E0" box="[722,742,475,501]" italics="true" pageId="49" pageNumber="50">O</emphasis>
.
<emphasis id="B969EAC60023FFA6FD3BFE3EFCF013E0" box="[759,862,475,501]" italics="true" pageId="49" pageNumber="50">dorrellae</emphasis>
</taxonomicName>
by MP, CuA sub-parallel at terminus on posterior margin [
<taxonomicName id="4C1D4D570023FFA6FF3AFE1AFEF1100C" authorityName="Archibald &amp; Cannings &amp; Erickson &amp; Bybee &amp; Mathewes" authorityYear="2021" box="[246,351,511,537]" class="Insecta" family="Dysagrionidae" genus="Okanagrion" higherTaxonomySource="GBIF" kingdom="Animalia" order="Odonata" pageId="49" pageNumber="50" phylum="Arthropoda" rank="species" species="beardi">
<emphasis id="B969EAC60023FFA6FF3AFE1AFEF1100C" box="[246,351,511,537]" italics="true" pageId="49" pageNumber="50">O. beardi</emphasis>
</taxonomicName>
: distinctly wider,
<taxonomicName id="4C1D4D570023FFA6FDE4FE1AFD1E100C" authorityName="Archibald &amp; Cannings &amp; Erickson &amp; Bybee &amp; Mathewes" authorityYear="2021" box="[552,688,511,537]" class="Insecta" family="Dysagrionidae" genus="Okanagrion" higherTaxonomySource="GBIF" kingdom="Animalia" order="Odonata" pageId="49" pageNumber="50" phylum="Arthropoda" rank="species" species="dorrellae">
<emphasis id="B969EAC60023FFA6FDE4FE1AFD92100C" box="[552,572,511,537]" italics="true" pageId="49" pageNumber="50">O</emphasis>
.
<emphasis id="B969EAC60023FFA6FD85FE1AFD1E100C" box="[585,688,511,537]" italics="true" pageId="49" pageNumber="50">dorrellae</emphasis>
</taxonomicName>
: widening, but less distinctly as CuA zigzagged distally (
<taxonomicName id="4C1D4D570023FFA6FAE2FE1AFF6F1029" authorityName="Archibald &amp; Cannings &amp; Erickson &amp; Bybee &amp; Mathewes" authorityYear="2021" class="Insecta" family="Dysagrionidae" genus="Okanagrion" higherTaxonomySource="GBIF" kingdom="Animalia" order="Odonata" pageId="49" pageNumber="50" phylum="Arthropoda" rank="species" species="angustum">
<emphasis id="B969EAC60023FFA6FAE2FE1AFAEC100C" box="[1326,1346,511,537]" italics="true" pageId="49" pageNumber="50">O</emphasis>
.
<emphasis id="B969EAC60023FFA6FA9CFE1AFF6F1029" italics="true" pageId="49" pageNumber="50">angustum</emphasis>
</taxonomicName>
, not known); from
<taxonomicName id="4C1D4D570023FFA6FE50FDC6FDA21028" authorityName="Archibald &amp; Cannings &amp; Erickson &amp; Bybee &amp; Mathewes" authorityYear="2021" box="[412,524,547,573]" class="Insecta" family="Dysagrionidae" genus="Okanagrion" higherTaxonomySource="GBIF" kingdom="Animalia" order="Odonata" pageId="49" pageNumber="50" phylum="Arthropoda" rank="species" species="hobani">
<emphasis id="B969EAC60023FFA6FE50FDC6FDA21028" box="[412,524,547,573]" italics="true" pageId="49" pageNumber="50">O. hobani</emphasis>
</taxonomicName>
by RP2, IR2, RP3-4, MA, MP not as strongly curved at margin (veins anterior to these not preserved at margin); from
<taxonomicName id="4C1D4D570023FFA6FDF8FDA2FD0D1074" authorityName="Archibald &amp; Cannings &amp; Erickson &amp; Bybee &amp; Mathewes" authorityYear="2021" box="[564,675,583,609]" class="Insecta" family="Dysagrionidae" genus="Okanagrion" higherTaxonomySource="GBIF" kingdom="Animalia" order="Odonata" pageId="49" pageNumber="50" phylum="Arthropoda" rank="species" species="hobani">
<emphasis id="B969EAC60023FFA6FDF8FDA2FD0D1074" box="[564,675,583,609]" italics="true" pageId="49" pageNumber="50">O. hobani</emphasis>
</taxonomicName>
by main veins less deeply curved near margin; from
<taxonomicName id="4C1D4D570023FFA6FB3FFDA2FA321074" authorityName="Archibald &amp; Cannings &amp; Erickson &amp; Bybee &amp; Mathewes" authorityYear="2021" box="[1267,1436,583,609]" class="Insecta" family="Dysagrionidae" genus="Okanagrion" higherTaxonomySource="GBIF" kingdom="Animalia" order="Odonata" pageId="49" pageNumber="50" phylum="Arthropoda" rank="species" species="threadgillae">
<emphasis id="B969EAC60023FFA6FB3FFDA2FA321074" box="[1267,1436,583,609]" italics="true" pageId="49" pageNumber="50">O. threadgillae</emphasis>
</taxonomicName>
by IR2RP3-4 space at wing margin about half width as in
<taxonomicName id="4C1D4D570023FFA6FC87FD8EFC561090" authorityName="Archibald &amp; Cannings &amp; Erickson &amp; Bybee &amp; Mathewes" authorityYear="2021" box="[843,1016,619,645]" class="Insecta" family="Dysagrionidae" genus="Okanagrion" higherTaxonomySource="GBIF" kingdom="Animalia" order="Odonata" pageId="49" pageNumber="50" phylum="Arthropoda" rank="species" species="threadgillae">
<emphasis id="B969EAC60023FFA6FC87FD8EFC561090" box="[843,1016,619,645]" italics="true" pageId="49" pageNumber="50">O. threadgillae</emphasis>
</taxonomicName>
; from
<taxonomicName id="4C1D4D570023FFA6FB85FD8EFB741091" authorityName="Archibald &amp; Cannings &amp; Erickson &amp; Bybee &amp; Mathewes" authorityYear="2021" box="[1097,1242,619,645]" class="Insecta" family="Dysagrionidae" genus="Okanagrion" higherTaxonomySource="GBIF" kingdom="Animalia" order="Odonata" pageId="49" pageNumber="50" phylum="Arthropoda" rank="species" species="angustum">
<emphasis id="B969EAC60023FFA6FB85FD8EFBF31090" box="[1097,1117,619,645]" italics="true" pageId="49" pageNumber="50">O</emphasis>
.
<emphasis id="B969EAC60023FFA6FBA1FD8EFB741091" box="[1133,1242,619,644]" italics="true" pageId="49" pageNumber="50">angustum</emphasis>
</taxonomicName>
,
<taxonomicName id="4C1D4D570023FFA6FB27FD8EFAD91090" authorityName="Archibald &amp; Cannings &amp; Erickson &amp; Bybee &amp; Mathewes" authorityYear="2021" box="[1259,1399,619,645]" class="Insecta" family="Dysagrionidae" genus="Okanagrion" higherTaxonomySource="GBIF" kingdom="Animalia" order="Odonata" pageId="49" pageNumber="50" phylum="Arthropoda" rank="species" species="dorrellae">
<emphasis id="B969EAC60023FFA6FB27FD8EFAD91090" box="[1259,1399,619,645]" italics="true" pageId="49" pageNumber="50">O. dorrellae</emphasis>
</taxonomicName>
by width measured two cells proximal to origin of RP2 perpendicular to apical margin [
<taxonomicName id="4C1D4D570023FFA6FBABFD6AFB5710BD" authorityName="Archibald &amp; Cannings &amp; Erickson &amp; Bybee &amp; Mathewes" authorityYear="2021" box="[1127,1273,655,681]" class="Insecta" family="Dysagrionidae" genus="Okanagrion" higherTaxonomySource="GBIF" kingdom="Animalia" order="Odonata" pageId="49" pageNumber="50" phylum="Arthropoda" rank="species" species="angustum">
<emphasis id="B969EAC60023FFA6FBABFD6AFBD510BC" box="[1127,1147,655,681]" italics="true" pageId="49" pageNumber="50">O</emphasis>
.
<emphasis id="B969EAC60023FFA6FB40FD6AFB5710BD" box="[1164,1273,655,680]" italics="true" pageId="49" pageNumber="50">angustum</emphasis>
</taxonomicName>
,
<taxonomicName id="4C1D4D570023FFA6FAC5FD6AFA3A10BC" authorityName="Archibald &amp; Cannings &amp; Erickson &amp; Bybee &amp; Mathewes" authorityYear="2021" box="[1289,1428,655,681]" class="Insecta" family="Dysagrionidae" genus="Okanagrion" higherTaxonomySource="GBIF" kingdom="Animalia" order="Odonata" pageId="49" pageNumber="50" phylum="Arthropoda" rank="species" species="dorrellae">
<emphasis id="B969EAC60023FFA6FAC5FD6AFA3A10BC" box="[1289,1428,655,681]" italics="true" pageId="49" pageNumber="50">O. dorrellae</emphasis>
</taxonomicName>
: 75% width of
<taxonomicName id="4C1D4D570023FFA6FEFAFD56FE1110D8" authorityName="Archibald &amp; Cannings &amp; Erickson &amp; Bybee &amp; Mathewes" authorityYear="2021" box="[310,447,691,717]" class="Insecta" family="Dysagrionidae" genus="Okanagrion" higherTaxonomySource="GBIF" kingdom="Animalia" order="Odonata" pageId="49" pageNumber="50" phylum="Arthropoda" rank="species" species="lochmum">
<emphasis id="B969EAC60023FFA6FEFAFD56FEE410D8" box="[310,330,691,717]" italics="true" pageId="49" pageNumber="50">O</emphasis>
.
<emphasis id="B969EAC60023FFA6FE94FD56FE1110D8" box="[344,447,691,717]" italics="true" pageId="49" pageNumber="50">lochmum</emphasis>
</taxonomicName>
]; from
<taxonomicName id="4C1D4D570023FFA6FDD8FD56FD3310D8" authorityName="Archibald &amp; Cannings &amp; Erickson &amp; Bybee &amp; Mathewes" authorityYear="2021" box="[532,669,691,717]" class="Insecta" family="Dysagrionidae" genus="Okanagrion" higherTaxonomySource="GBIF" kingdom="Animalia" order="Odonata" pageId="49" pageNumber="50" phylum="Arthropoda" rank="species" species="dorrellae">
<emphasis id="B969EAC60023FFA6FDD8FD56FD8610D8" box="[532,552,691,717]" italics="true" pageId="49" pageNumber="50">O</emphasis>
.
<emphasis id="B969EAC60023FFA6FDFAFD56FD3310D8" box="[566,669,691,717]" italics="true" pageId="49" pageNumber="50">dorrellae</emphasis>
</taxonomicName>
by MP linear to margin [
<taxonomicName id="4C1D4D570023FFA6FC74FD56FBEF10D8" authorityName="Archibald &amp; Cannings &amp; Erickson &amp; Bybee &amp; Mathewes" authorityYear="2021" box="[952,1089,691,717]" class="Insecta" family="Dysagrionidae" genus="Okanagrion" higherTaxonomySource="GBIF" kingdom="Animalia" order="Odonata" pageId="49" pageNumber="50" phylum="Arthropoda" rank="species" species="dorrellae">
<emphasis id="B969EAC60023FFA6FC74FD56FC6210D8" box="[952,972,691,717]" italics="true" pageId="49" pageNumber="50">O</emphasis>
.
<emphasis id="B969EAC60023FFA6FC16FD56FBEF10D8" box="[986,1089,691,717]" italics="true" pageId="49" pageNumber="50">dorrellae</emphasis>
</taxonomicName>
: zigzagged near margin]; from
<taxonomicName id="4C1D4D570023FFA6FF5BFD32FE8710E5" authorityName="Archibald &amp; Cannings &amp; Erickson &amp; Bybee &amp; Mathewes" authorityYear="2021" box="[151,297,727,753]" class="Insecta" family="Dysagrionidae" genus="Okanagrion" higherTaxonomySource="GBIF" kingdom="Animalia" order="Odonata" pageId="49" pageNumber="50" phylum="Arthropoda" rank="species" species="angustum">
<emphasis id="B969EAC60023FFA6FF5BFD32FF0510E4" box="[151,171,727,753]" italics="true" pageId="49" pageNumber="50">O</emphasis>
.
<emphasis id="B969EAC60023FFA6FF70FD32FE8710E5" box="[188,297,727,752]" italics="true" pageId="49" pageNumber="50">angustum</emphasis>
</taxonomicName>
,
<taxonomicName id="4C1D4D570023FFA6FEF6FD32FE0910E4" authorityName="Archibald &amp; Cannings &amp; Erickson &amp; Bybee &amp; Mathewes" authorityYear="2021" box="[314,423,727,753]" class="Insecta" family="Dysagrionidae" genus="Okanagrion" higherTaxonomySource="GBIF" kingdom="Animalia" order="Odonata" pageId="49" pageNumber="50" phylum="Arthropoda" rank="species" species="beardi">
<emphasis id="B969EAC60023FFA6FEF6FD32FE0910E4" box="[314,423,727,753]" italics="true" pageId="49" pageNumber="50">O. beardi</emphasis>
</taxonomicName>
by IR2 origin between RP1-2, RP3-4 [
<taxonomicName id="4C1D4D570023FFA6FCBCFD32FBAC10E5" authorityName="Archibald &amp; Cannings &amp; Erickson &amp; Bybee &amp; Mathewes" authorityYear="2021" box="[880,1026,727,753]" class="Insecta" family="Dysagrionidae" genus="Okanagrion" higherTaxonomySource="GBIF" kingdom="Animalia" order="Odonata" pageId="49" pageNumber="50" phylum="Arthropoda" rank="species" species="angustum">
<emphasis id="B969EAC60023FFA6FCBCFD32FC2A10E4" box="[880,900,727,753]" italics="true" pageId="49" pageNumber="50">O</emphasis>
.
<emphasis id="B969EAC60023FFA6FC59FD32FBAC10E5" box="[917,1026,727,752]" italics="true" pageId="49" pageNumber="50">angustum</emphasis>
</taxonomicName>
,
<taxonomicName id="4C1D4D570023FFA6FBDFFD32FB2E10E4" authorityName="Archibald &amp; Cannings &amp; Erickson &amp; Bybee &amp; Mathewes" authorityYear="2021" box="[1043,1152,727,753]" class="Insecta" family="Dysagrionidae" genus="Okanagrion" higherTaxonomySource="GBIF" kingdom="Animalia" order="Odonata" pageId="49" pageNumber="50" phylum="Arthropoda" rank="species" species="beardi">
<emphasis id="B969EAC60023FFA6FBDFFD32FB2E10E4" box="[1043,1152,727,753]" italics="true" pageId="49" pageNumber="50">O. beardi</emphasis>
</taxonomicName>
: origin on RP1-2]; from
<taxonomicName id="4C1D4D570023FFA6FF5BFD1EFEEC1100" authorityName="Archibald &amp; Cannings &amp; Erickson &amp; Bybee &amp; Mathewes" authorityYear="2021" box="[151,322,763,789]" class="Insecta" family="Dysagrionidae" genus="Okanagrion" higherTaxonomySource="GBIF" kingdom="Animalia" order="Odonata" pageId="49" pageNumber="50" phylum="Arthropoda" rank="species" species="threadgillae">
<emphasis id="B969EAC60023FFA6FF5BFD1EFEEC1100" box="[151,322,763,789]" italics="true" pageId="49" pageNumber="50">O. threadgillae</emphasis>
</taxonomicName>
,
<taxonomicName id="4C1D4D570023FFA6FE9DFD1EFE121100" authorityName="Archibald &amp; Cannings &amp; Erickson &amp; Bybee &amp; Mathewes" authorityYear="2021" box="[337,444,763,789]" class="Insecta" family="Dysagrionidae" genus="Okanagrion" higherTaxonomySource="GBIF" kingdom="Animalia" order="Odonata" pageId="49" pageNumber="50" phylum="Arthropoda" rank="species" species="beardi">
<emphasis id="B969EAC60023FFA6FE9DFD1EFE121100" box="[337,444,763,789]" italics="true" pageId="49" pageNumber="50">O. beardi</emphasis>
</taxonomicName>
,
<taxonomicName id="4C1D4D570023FFA6FE07FD1EFDFB1100" authorityName="Archibald &amp; Cannings &amp; Erickson &amp; Bybee &amp; Mathewes" authorityYear="2021" box="[459,597,763,789]" class="Insecta" family="Dysagrionidae" genus="Okanagrion" higherTaxonomySource="GBIF" kingdom="Animalia" order="Odonata" pageId="49" pageNumber="50" phylum="Arthropoda" rank="species" species="dorrellae">
<emphasis id="B969EAC60023FFA6FE07FD1EFDFB1100" box="[459,597,763,789]" italics="true" pageId="49" pageNumber="50">O. dorrellae</emphasis>
</taxonomicName>
,
<taxonomicName id="4C1D4D570023FFA6FDA9FD1EFD781100" authorityName="Archibald &amp; Cannings &amp; Erickson &amp; Bybee &amp; Mathewes" authorityYear="2021" box="[613,726,763,789]" class="Insecta" family="Dysagrionidae" genus="Okanagrion" higherTaxonomySource="GBIF" kingdom="Animalia" order="Odonata" pageId="49" pageNumber="50" phylum="Arthropoda" rank="species" species="hobani">
<emphasis id="B969EAC60023FFA6FDA9FD1EFD781100" box="[613,726,763,789]" italics="true" pageId="49" pageNumber="50">O. hobani</emphasis>
</taxonomicName>
,
<taxonomicName id="4C1D4D570023FFA6FD28FD1EFC0A1100" authorityName="Archibald &amp; Cannings &amp; Erickson &amp; Bybee &amp; Mathewes" authorityYear="2021" box="[740,932,763,789]" class="Insecta" family="Dysagrionidae" genus="Okanagrion" higherTaxonomySource="GBIF" kingdom="Animalia" order="Odonata" pageId="49" pageNumber="50" phylum="Arthropoda" rank="species" species="liquetoalatum">
<emphasis id="B969EAC60023FFA6FD28FD1EFC0A1100" box="[740,932,763,789]" italics="true" pageId="49" pageNumber="50">O. liquetoalatum</emphasis>
</taxonomicName>
,
<taxonomicName id="4C1D4D570023FFA6FC7EFD1EFB921100" authorityName="Archibald &amp; Cannings &amp; Erickson &amp; Bybee &amp; Mathewes" authorityYear="2021" box="[946,1084,763,789]" class="Insecta" family="Dysagrionidae" genus="Okanagrion" higherTaxonomySource="GBIF" kingdom="Animalia" order="Odonata" pageId="49" pageNumber="50" phylum="Arthropoda" rank="species" species="worleyae">
<emphasis id="B969EAC60023FFA6FC7EFD1EFB921100" box="[946,1084,763,789]" italics="true" pageId="49" pageNumber="50">O. worleyae</emphasis>
</taxonomicName>
by cells denser in apical wing: RARP1 space becomes two cells wide just over seven cells proximal to pterostigma [
<taxonomicName id="4C1D4D570023FFA6FBBCFCFAFAB5112C" authorityName="Archibald &amp; Cannings &amp; Erickson &amp; Bybee &amp; Mathewes" authorityYear="2021" box="[1136,1307,799,825]" class="Insecta" family="Dysagrionidae" genus="Okanagrion" higherTaxonomySource="GBIF" kingdom="Animalia" order="Odonata" pageId="49" pageNumber="50" phylum="Arthropoda" rank="species" species="threadgillae">
<emphasis id="B969EAC60023FFA6FBBCFCFAFAB5112C" box="[1136,1307,799,825]" italics="true" pageId="49" pageNumber="50">O. threadgillae</emphasis>
</taxonomicName>
,
<taxonomicName id="4C1D4D570023FFA6FAE6FCFAFA3B112C" authorityName="Archibald &amp; Cannings &amp; Erickson &amp; Bybee &amp; Mathewes" authorityYear="2021" box="[1322,1429,799,825]" class="Insecta" family="Dysagrionidae" genus="Okanagrion" higherTaxonomySource="GBIF" kingdom="Animalia" order="Odonata" pageId="49" pageNumber="50" phylum="Arthropoda" rank="species" species="beardi">
<emphasis id="B969EAC60023FFA6FAE6FCFAFA3B112C" box="[1322,1429,799,825]" italics="true" pageId="49" pageNumber="50">O. beardi</emphasis>
</taxonomicName>
,
<taxonomicName id="4C1D4D570023FFA6FF5BFCA6FE8D1148" authorityName="Archibald &amp; Cannings &amp; Erickson &amp; Bybee &amp; Mathewes" authorityYear="2021" box="[151,291,835,861]" class="Insecta" family="Dysagrionidae" genus="Okanagrion" higherTaxonomySource="GBIF" kingdom="Animalia" order="Odonata" pageId="49" pageNumber="50" phylum="Arthropoda" rank="species" species="dorrellae">
<emphasis id="B969EAC60023FFA6FF5BFCA6FE8D1148" box="[151,291,835,861]" italics="true" pageId="49" pageNumber="50">O. dorrellae</emphasis>
</taxonomicName>
: about three cells proximal to it;
<taxonomicName id="4C1D4D570023FFA6FD64FCA6FCB51148" authorityName="Archibald &amp; Cannings &amp; Erickson &amp; Bybee &amp; Mathewes" authorityYear="2021" box="[680,795,835,861]" class="Insecta" family="Dysagrionidae" genus="Okanagrion" higherTaxonomySource="GBIF" kingdom="Animalia" order="Odonata" pageId="49" pageNumber="50" phylum="Arthropoda" rank="species" species="hobani">
<emphasis id="B969EAC60023FFA6FD64FCA6FCB51148" box="[680,795,835,861]" italics="true" pageId="49" pageNumber="50">O. hobani</emphasis>
</taxonomicName>
: about two to four;
<taxonomicName id="4C1D4D570023FFA6FBCAFCA6FB691148" authorityName="Archibald &amp; Cannings &amp; Erickson &amp; Bybee &amp; Mathewes" authorityYear="2021" box="[1030,1223,835,861]" class="Insecta" family="Dysagrionidae" genus="Okanagrion" higherTaxonomySource="GBIF" kingdom="Animalia" order="Odonata" pageId="49" pageNumber="50" phylum="Arthropoda" rank="species" species="liquetoalatum">
<emphasis id="B969EAC60023FFA6FBCAFCA6FB691148" box="[1030,1223,835,861]" italics="true" pageId="49" pageNumber="50">O. liquetoalatum</emphasis>
</taxonomicName>
: one;
<taxonomicName id="4C1D4D570023FFA6FADDFCA6FA331148" authorityName="Archibald &amp; Cannings &amp; Erickson &amp; Bybee &amp; Mathewes" authorityYear="2021" box="[1297,1437,835,861]" class="Insecta" family="Dysagrionidae" genus="Okanagrion" higherTaxonomySource="GBIF" kingdom="Animalia" order="Odonata" pageId="49" pageNumber="50" phylum="Arthropoda" rank="species" species="worleyae">
<emphasis id="B969EAC60023FFA6FADDFCA6FA331148" box="[1297,1437,835,861]" italics="true" pageId="49" pageNumber="50">O. worleyae</emphasis>
</taxonomicName>
four]; RARP1 space three cells wide from about one cell proximal to pterostigma [
<taxonomicName id="4C1D4D570023FFA6FB86FC82FB5A1194" authorityName="Archibald &amp; Cannings &amp; Erickson &amp; Bybee &amp; Mathewes" authorityYear="2021" box="[1098,1268,871,897]" class="Insecta" family="Dysagrionidae" genus="Okanagrion" higherTaxonomySource="GBIF" kingdom="Animalia" order="Odonata" pageId="49" pageNumber="50" phylum="Arthropoda" rank="species" species="threadgillae">
<emphasis id="B969EAC60023FFA6FB86FC82FB5A1194" box="[1098,1268,871,897]" italics="true" pageId="49" pageNumber="50">O. threadgillae</emphasis>
</taxonomicName>
,
<taxonomicName id="4C1D4D570023FFA6FACEFC82FADD1194" authorityName="Archibald &amp; Cannings &amp; Erickson &amp; Bybee &amp; Mathewes" authorityYear="2021" box="[1282,1395,871,897]" class="Insecta" family="Dysagrionidae" genus="Okanagrion" higherTaxonomySource="GBIF" kingdom="Animalia" order="Odonata" pageId="49" pageNumber="50" phylum="Arthropoda" rank="species" species="hobani">
<emphasis id="B969EAC60023FFA6FACEFC82FADD1194" box="[1282,1395,871,897]" italics="true" pageId="49" pageNumber="50">O. hobani</emphasis>
</taxonomicName>
,
<taxonomicName id="4C1D4D570023FFA6FA4DFC82FE9D11B0" authorityName="Archibald &amp; Cannings &amp; Erickson &amp; Bybee &amp; Mathewes" authorityYear="2021" class="Insecta" family="Dysagrionidae" genus="Okanagrion" higherTaxonomySource="GBIF" kingdom="Animalia" order="Odonata" pageId="49" pageNumber="50" phylum="Arthropoda" rank="species" species="liquetoalatum">
<emphasis id="B969EAC60023FFA6FA4DFC82FE9D11B0" italics="true" pageId="49" pageNumber="50">O. liquetoalatum</emphasis>
</taxonomicName>
,
<taxonomicName id="4C1D4D570023FFA6FE8EFC6EFE6311B0" authorityName="Archibald &amp; Cannings &amp; Erickson &amp; Bybee &amp; Mathewes" authorityYear="2021" box="[322,461,907,933]" class="Insecta" family="Dysagrionidae" genus="Okanagrion" higherTaxonomySource="GBIF" kingdom="Animalia" order="Odonata" pageId="49" pageNumber="50" phylum="Arthropoda" rank="species" species="worleyae">
<emphasis id="B969EAC60023FFA6FE8EFC6EFE6311B0" box="[322,461,907,933]" italics="true" pageId="49" pageNumber="50">O. worleyae</emphasis>
</taxonomicName>
: at or one cell from apical corner of pterostigma;
<taxonomicName id="4C1D4D570023FFA6FBC6FC6EFBD811B0" authorityName="Archibald &amp; Cannings &amp; Erickson &amp; Bybee &amp; Mathewes" authorityYear="2021" box="[1034,1142,907,933]" class="Insecta" family="Dysagrionidae" genus="Okanagrion" higherTaxonomySource="GBIF" kingdom="Animalia" order="Odonata" pageId="49" pageNumber="50" phylum="Arthropoda" rank="species" species="beardi">
<emphasis id="B969EAC60023FFA6FBC6FC6EFBD811B0" box="[1034,1142,907,933]" italics="true" pageId="49" pageNumber="50">O. beardi</emphasis>
</taxonomicName>
: twothree cells apical to pterostigma;
<taxonomicName id="4C1D4D570023FFA6FEE7FC4AFE1511DD" authorityName="Archibald &amp; Cannings &amp; Erickson &amp; Bybee &amp; Mathewes" authorityYear="2021" box="[299,443,943,969]" class="Insecta" family="Dysagrionidae" genus="Okanagrion" higherTaxonomySource="GBIF" kingdom="Animalia" order="Odonata" pageId="49" pageNumber="50" phylum="Arthropoda" rank="species" species="angustum">
<emphasis id="B969EAC60023FFA6FEE7FC4AFE9111DC" box="[299,319,943,969]" italics="true" pageId="49" pageNumber="50">O</emphasis>
.
<emphasis id="B969EAC60023FFA6FE82FC4AFE1511DD" box="[334,443,943,968]" italics="true" pageId="49" pageNumber="50">angustum</emphasis>
</taxonomicName>
,
<taxonomicName id="4C1D4D570023FFA6FE06FC4AFDFA11DC" authorityName="Archibald &amp; Cannings &amp; Erickson &amp; Bybee &amp; Mathewes" authorityYear="2021" box="[458,596,943,969]" class="Insecta" family="Dysagrionidae" genus="Okanagrion" higherTaxonomySource="GBIF" kingdom="Animalia" order="Odonata" pageId="49" pageNumber="50" phylum="Arthropoda" rank="species" species="dorrellae">
<emphasis id="B969EAC60023FFA6FE06FC4AFDFA11DC" box="[458,596,943,969]" italics="true" pageId="49" pageNumber="50">O. dorrellae</emphasis>
</taxonomicName>
: not known]; RARP1 space becomes four/five cells wide at distal corner of pterostigma [
<taxonomicName id="4C1D4D570023FFA6FE84FC36FE1911F8" authorityName="Archibald &amp; Cannings &amp; Erickson &amp; Bybee &amp; Mathewes" authorityYear="2021" box="[328,439,979,1005]" class="Insecta" family="Dysagrionidae" genus="Okanagrion" higherTaxonomySource="GBIF" kingdom="Animalia" order="Odonata" pageId="49" pageNumber="50" phylum="Arthropoda" rank="species" species="hobani">
<emphasis id="B969EAC60023FFA6FE84FC36FE1911F8" box="[328,439,979,1005]" italics="true" pageId="49" pageNumber="50">O. hobani</emphasis>
</taxonomicName>
: from about half distance from pterostigma to margin;
<taxonomicName id="4C1D4D570023FFA6FBDBFC36FB2E11F8" authorityName="Archibald &amp; Cannings &amp; Erickson &amp; Bybee &amp; Mathewes" authorityYear="2021" box="[1047,1152,979,1005]" class="Insecta" family="Dysagrionidae" genus="Okanagrion" higherTaxonomySource="GBIF" kingdom="Animalia" order="Odonata" pageId="49" pageNumber="50" phylum="Arthropoda" rank="species" species="beardi">
<emphasis id="B969EAC60023FFA6FBDBFC36FB2E11F8" box="[1047,1152,979,1005]" italics="true" pageId="49" pageNumber="50">O. beardi</emphasis>
</taxonomicName>
: becomes maximum four wide about fourfive cells distal to pterostigma;
<taxonomicName id="4C1D4D570023FFA6FD7FFC12FCDF1604" authorityName="Archibald &amp; Cannings &amp; Erickson &amp; Bybee &amp; Mathewes" authorityYear="2021" box="[691,881,1015,1041]" class="Insecta" family="Dysagrionidae" genus="Okanagrion" higherTaxonomySource="GBIF" kingdom="Animalia" order="Odonata" pageId="49" pageNumber="50" phylum="Arthropoda" rank="species" species="liquetoalatum">
<emphasis id="B969EAC60023FFA6FD7FFC12FCDF1604" box="[691,881,1015,1041]" italics="true" pageId="49" pageNumber="50">O. liquetoalatum</emphasis>
</taxonomicName>
: five cells wide over half distance from pterostigma to margin;
<taxonomicName id="4C1D4D570023FFA6FEF7FBFEFE6B1620" authorityName="Archibald &amp; Cannings &amp; Erickson &amp; Bybee &amp; Mathewes" authorityYear="2021" box="[315,453,1051,1077]" class="Insecta" family="Dysagrionidae" genus="Okanagrion" higherTaxonomySource="GBIF" kingdom="Animalia" order="Odonata" pageId="49" pageNumber="50" phylum="Arthropoda" rank="species" species="worleyae">
<emphasis id="B969EAC60023FFA6FEF7FBFEFE6B1620" box="[315,453,1051,1077]" italics="true" pageId="49" pageNumber="50">O. worleyae</emphasis>
</taxonomicName>
: maximum four wide from about four or more cells distal to pterostigma;
<taxonomicName id="4C1D4D570023FFA6FACAFBFEFA3B1621" authorityName="Archibald &amp; Cannings &amp; Erickson &amp; Bybee &amp; Mathewes" authorityYear="2021" box="[1286,1429,1051,1077]" class="Insecta" family="Dysagrionidae" genus="Okanagrion" higherTaxonomySource="GBIF" kingdom="Animalia" order="Odonata" pageId="49" pageNumber="50" phylum="Arthropoda" rank="species" species="angustum">
<emphasis id="B969EAC60023FFA6FACAFBFEFAB41620" box="[1286,1306,1051,1077]" italics="true" pageId="49" pageNumber="50">O</emphasis>
.
<emphasis id="B969EAC60023FFA6FAE4FBFEFA3B1621" box="[1320,1429,1051,1076]" italics="true" pageId="49" pageNumber="50">angustum</emphasis>
</taxonomicName>
,
<taxonomicName id="4C1D4D570023FFA6FF5BFBDAFE8E164C" authorityName="Archibald &amp; Cannings &amp; Erickson &amp; Bybee &amp; Mathewes" authorityYear="2021" box="[151,288,1087,1113]" class="Insecta" family="Dysagrionidae" genus="Okanagrion" higherTaxonomySource="GBIF" kingdom="Animalia" order="Odonata" pageId="49" pageNumber="50" phylum="Arthropoda" rank="species" species="dorrellae">
<emphasis id="B969EAC60023FFA6FF5BFBDAFE8E164C" box="[151,288,1087,1113]" italics="true" pageId="49" pageNumber="50">O. dorrellae</emphasis>
</taxonomicName>
: not known by preservation].
</paragraph>
<paragraph id="8BA236D40023FFA6FF0BFB86FDBD16B4" blockId="49.[151,1437,438,1833]" pageId="49" pageNumber="50">
Further separated by colouration (sex unknown): similar to that of
<taxonomicName id="4C1D4D570023FFA6FC75FB86FB8A1668" authorityName="Archibald &amp; Cannings &amp; Erickson &amp; Bybee &amp; Mathewes" authorityYear="2021" box="[953,1060,1123,1149]" class="Insecta" family="Dysagrionidae" genus="Okanagrion" higherTaxonomySource="GBIF" kingdom="Animalia" order="Odonata" pageId="49" pageNumber="50" phylum="Arthropoda" rank="species" species="beardi">
<emphasis id="B969EAC60023FFA6FC75FB86FB8A1668" box="[953,1060,1123,1149]" italics="true" pageId="49" pageNumber="50">O. beardi</emphasis>
</taxonomicName>
, and differing from other species of the genus as in their diagnoses.
</paragraph>
</subSubSection>
<subSubSection id="C307655F0023FFA6FF0BFB4EFC9E1718" pageId="49" pageNumber="50" type="materials_examined">
<paragraph id="8BA236D40023FFA6FF0BFB4EFC9E1718" blockId="49.[151,1437,438,1833]" pageId="49" pageNumber="50">
<emphasis id="B969EAC60023FFA6FF0BFB4EFED916D1" bold="true" box="[199,375,1194,1221]" pageId="49" pageNumber="50">Type material.</emphasis>
<materialsCitation id="3B753C890023FFA6FE4CFB4EFC9E1718" ID-GBIF-Occurrence="3069296385" county="McAbee Hoodoo Face" location="Royal" municipality="John Leahy" pageId="49" pageNumber="50" specimenCount="1" stateProvince="British Columbia" typeStatus="holotype">
<emphasis id="B969EAC60023FFA6FE4CFB4EFE4916D0" box="[384,487,1195,1221]" italics="true" pageId="49" pageNumber="50">
<typeStatus id="54A688760023FFA6FE4CFB4EFE4916D0" box="[384,487,1195,1221]" pageId="49" pageNumber="50" type="holotype">Holotype</typeStatus>
</emphasis>
: RBCM 11799.001 (
<figureCitation id="13262A510023FFA6FD15FB4EFC8016D0" box="[729,814,1195,1221]" captionStart="FIGURE 23" captionStartId="50.[151,250,1999,2023]" captionTargetBox="[221,1367,187,1967]" captionTargetId="figure-19@50.[207,1380,181,1975]" captionTargetPageId="50" captionText="FIGURE 23. Okanagrion lochmum holotype, RBCM 11799.001. A, photograph; B, drawing. Both to scale, 5 mm." figureDoi="http://doi.org/10.5281/zenodo.4558858" httpUri="https://zenodo.org/record/4558858/files/figure.png" pageId="49" pageNumber="50">Fig. 23</figureCitation>
), collected at the
<collectingCounty id="62C34E580023FFA6FC37FB4EFB5316D0" box="[1019,1277,1195,1221]" pageId="49" pageNumber="50">McAbee Hoodoo Face</collectingCounty>
beds by
<collectingMunicipality id="6BC6ACAE0023FFA6FAABFB4EFF7016FC" pageId="49" pageNumber="50">John Leahy</collectingMunicipality>
, date unknown: a mostly complete wing missing the apical-most portion and small damage proximally; housed in the
<location id="8EC2600F0023FFA6FEF8FB16FED91718" LSID="urn:lsid:plazi:treatment:03B487C20023FFA6FF5BFEAFFC87153C:8EC2600F0023FFA6FEF8FB16FED91718" box="[308,375,1267,1293]" county="McAbee Hoodoo Face" municipality="John Leahy" name="Royal" pageId="49" pageNumber="50" stateProvince="British Columbia">Royal</location>
<collectingRegion id="49D9F8360023FFA6FEB1FB16FD911718" box="[381,575,1267,1293]" country="Canada" name="British Columbia" pageId="49" pageNumber="50">British Columbia</collectingRegion>
<location id="8EC2600F0023FFA6FD8AFB16FD061718" LSID="urn:lsid:plazi:treatment:03B487C20023FFA6FF5BFEAFFC87153C:8EC2600F0023FFA6FD8AFB16FD061718" box="[582,680,1267,1293]" county="McAbee Hoodoo Face" municipality="John Leahy" name="Museum" pageId="49" pageNumber="50" stateProvince="British Columbia">Museum</location>
collections.
</materialsCitation>
</paragraph>
</subSubSection>
<subSubSection id="C307655F0023FFA6FF0BFAF3FE0C14A8" pageId="49" pageNumber="50" type="description">
<paragraph id="8BA236D40023FFA6FF0BFAF3FE0C14A8" blockId="49.[151,1437,438,1833]" pageId="49" pageNumber="50">
<emphasis id="B969EAC60023FFA6FF0BFAF3FEF71725" bold="true" box="[199,345,1302,1328]" pageId="49" pageNumber="50">Description.</emphasis>
<typeStatus id="54A688760023FFA6FE93FAF2FE641724" box="[351,458,1303,1329]" pageId="49" pageNumber="50" type="holotype">Holotype</typeStatus>
, RBCM 11799.001, hind wing. Shape generalised for
<taxonomicName id="4C1D4D570023FFA6FBE4FAF2FB011724" authorityName="Archibald &amp; Cannings &amp; Erickson &amp; Bybee &amp; Mathewes" authorityYear="2021" box="[1064,1199,1303,1329]" class="Insecta" family="Dysagrionidae" genus="Okanagrion" higherTaxonomySource="GBIF" kingdom="Animalia" order="Odonata" pageId="49" pageNumber="50" phylum="Arthropoda" rank="genus">
<emphasis id="B969EAC60023FFA6FBE4FAF2FB011724" box="[1064,1199,1303,1329]" italics="true" pageId="49" pageNumber="50">Okanagrion</emphasis>
</taxonomicName>
hind wing,
<emphasis id="B969EAC60023FFA6FAF8FAF2FAFE1725" box="[1332,1360,1303,1328]" italics="true" pageId="49" pageNumber="50">i.e</emphasis>
., anterior margin nodus to pterostigma rather straight, posterior margin deeply curved; length arculus to base of pterostigma:
<quantity id="4CE59B310023FFA6FF04FABAFE81176C" box="[200,303,1375,1401]" metricMagnitude="-2" metricUnit="m" metricValue="2.04" pageId="49" pageNumber="50" unit="mm" value="20.4">20.4 mm</quantity>
; nodus to base of pterostigma:
<quantity id="4CE59B310023FFA6FD45FABBFD5E176C" box="[649,752,1374,1401]" metricMagnitude="-2" metricUnit="m" metricValue="1.54" pageId="49" pageNumber="50" unit="mm" value="15.4">15.4 mm</quantity>
; nodus estimated at about 28% wing length; maximum width
<quantity id="4CE59B310023FFA6FF5BFA67FF5F1788" box="[151,241,1410,1437]" metricMagnitude="-3" metricUnit="m" metricValue="8.5" pageId="49" pageNumber="50" unit="mm" value="8.5">8.5 mm</quantity>
; colouration as in diagnosis; pterostigma anterior, posterior margins oblique (anterior margin more), three times longer than wide, subtends 5.5 cells; no oblique brace vein; crossveins in postnodal, postsubnodal spaces not aligned; maximum four cells wide distal to pterostigma in costal space (but region damaged); RARP1 space maximum five cells wide in preserved portion; IR1 origin six cells distal to origin of RP2; RP2 origin five cells distal to origin of IR2; IR2 origin close to subnodus, immediately proximal to it; RP3-4 origin in distal part of middle third between arculus, nodus; arculus at Ax2; Ax0 not detected; no crossvein O; MA linear (very slight, short zigzag); MP linear, hardly curved from quadrangle to terminus about two-thirds distance from nodus to pterostigma; MP, CuA sub-parallel at terminus on posterior margin; CuA linear; CuAA space with seven cells at widest (between levels of origins of IR1, RP2).
</paragraph>
</subSubSection>
<subSubSection id="C307655F0023FFA6FF0BF922FC87153C" pageId="49" pageNumber="50" type="etymology">
<paragraph id="8BA236D40023FFA6FF0BF922FCC81510" blockId="49.[151,1437,438,1833]" pageId="49" pageNumber="50">
<emphasis id="B969EAC60023FFA6FF0BF922FEE614F4" bold="true" box="[199,328,1735,1761]" pageId="49" pageNumber="50">Etymology</emphasis>
. The specific epithet
<taxonomicName id="4C1D4D570023FFA6FDF1F922FD0A14F4" authorityName="Archibald &amp; Cannings &amp; Erickson &amp; Bybee &amp; Mathewes" authorityYear="2021" box="[573,676,1735,1761]" class="Insecta" family="Dysagrionidae" genus="Okanagrion" higherTaxonomySource="GBIF" kingdom="Animalia" order="Odonata" pageId="49" pageNumber="50" phylum="Arthropoda" rank="species" species="lochmum">
<emphasis id="B969EAC60023FFA6FDF1F922FD0A14F4" box="[573,676,1735,1761]" italics="true" pageId="49" pageNumber="50">lochmum</emphasis>
</taxonomicName>
is the Latinized neuter adjective form of the Greek Λóχμη,
<emphasis id="B969EAC60023FFA6FA85F922FA3B14F4" box="[1353,1429,1735,1761]" italics="true" pageId="49" pageNumber="50">lóchmi</emphasis>
, meaning
<emphasis id="B969EAC60023FFA6FF33F90EFEE41510" box="[255,330,1771,1797]" italics="true" pageId="49" pageNumber="50">thicket</emphasis>
, referring to the denseness of the crossvenation.
</paragraph>
<paragraph id="8BA236D40023FFA6FF0BF8EAFC87153C" blockId="49.[151,1437,438,1833]" box="[199,809,1807,1833]" pageId="49" pageNumber="50">
<emphasis id="B969EAC60023FFA6FF0BF8EAFED9153C" bold="true" box="[199,375,1807,1833]" pageId="49" pageNumber="50">Range and age</emphasis>
. McAbee, BC,
<collectingCountry id="F30A76440023FFA6FDEBF8EAFDD1153C" box="[551,639,1807,1833]" name="Canada" pageId="49" pageNumber="50">Canada</collectingCountry>
; mid-Ypresian.
</paragraph>
</subSubSection>
</treatment>
</document>