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<mods:title id="328A3DC6E41A27BB7F88E5CB14284B3D">The genus Rhoenanthus Eaton, 1881 in China with the redescription of R hunanensis You &amp; Gui, 1995 (Ephemeroptera: Potamanthidae)</mods:title>
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<paragraph id="8BB2C916FF8EFF9087DEEF775F2FFBFF" blockId="2.[151,835,1062,1125]" box="[151,835,1062,1089]" pageId="2" pageNumber="565">
<heading id="D0FA7E7AFF8EFF9087DEEF775F2FFBFF" bold="true" box="[151,835,1062,1089]" fontSize="11" level="1" pageId="2" pageNumber="565" reason="1">
<emphasis id="B9791504FF8EFF9087DEEF775F2FFBFF" bold="true" box="[151,835,1062,1089]" pageId="2" pageNumber="565">
<taxonomicName id="4C0DB295FF8EFF9087DEEF775ED5FBFE" authority="(You &amp; Gui, 1995)" authorityName="Han &amp; Zhang &amp; Zhou" authorityYear="2021" baseAuthorityName="You &amp; Gui" baseAuthorityYear="1995" box="[151,697,1062,1089]" class="Insecta" family="Potamanthidae" genus="Rhoenanthus" kingdom="Animalia" order="Ephemeroptera" pageId="2" pageNumber="565" phylum="Arthropoda" rank="species" species="hunanensis" status="stat. nov.">
<emphasis id="B9791504FF8EFF9087DEEF775DA2FBFF" bold="true" box="[151,462,1062,1089]" italics="true" pageId="2" pageNumber="565">Rhoenanthus hunanensis</emphasis>
(
<bibRefCitation id="EF9CB4E7FF8EFF908694EF775EDDFBFE" author="You, D. S. &amp; Gui, H." box="[477,689,1062,1088]" pageId="2" pageNumber="565" pagination="1 - 152" refId="ref8223" refString="You, D. S. &amp; Gui, H. (1995) Ephemeroptera. In: Economic Insect Fauna of China. Fasc. 48. Science Press, Beijing, pp. 1 - 152." type="book chapter" year="1995">You &amp; Gui, 1995</bibRefCitation>
)
</taxonomicName>
<taxonomicNameLabel id="A24AA87FFF8EFF908588EF765F2FFBFF" box="[705,835,1063,1089]" pageId="2" pageNumber="565">new status</taxonomicNameLabel>
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<subSubSection id="C3179A9DFF8EFF9087DEEF1A5DC0FBDB" box="[151,428,1098,1125]" pageId="2" pageNumber="565" type="description">
<paragraph id="8BB2C916FF8EFF9087DEEF1A5DC0FBDB" blockId="2.[151,835,1062,1125]" box="[151,428,1098,1125]" pageId="2" pageNumber="565">
<figureCitation id="1336D593FF8EFF9087DEEF1A5C97FBDB" box="[151,251,1098,1125]" captionStart-0="FIGURE 2" captionStart-1="FIGURE 3" captionStart-2="FIGURE 4" captionStart-3="FIGURE 5" captionStartId-0="3.[151,250,1430,1454]" captionStartId-1="4.[151,250,1186,1210]" captionStartId-2="5.[151,250,1318,1342]" captionStartId-3="6.[151,250,1797,1821]" captionTargetBox-0="[151,1436,273,1407]" captionTargetBox-1="[160,1430,273,1161]" captionTargetBox-2="[164,1423,348,1295]" captionTargetBox-3="[254,1335,181,1773]" captionTargetId-0="figure-71@3.[151,1436,273,1407]" captionTargetId-1="figure-58@4.[157,1430,273,1163]" captionTargetId-2="figure-87@5.[164,1423,345,1295]" captionTargetId-3="figure-16@6.[252,1335,181,1773]" captionTargetPageId-0="3" captionTargetPageId-1="4" captionTargetPageId-2="5" captionTargetPageId-3="6" captionText-0="FIGURE 2. Nymphal characters of Rhoenanthus hunanensis (digital photos).A. Habitus in dorsal view; B. Head and pronotum of another more mature nymph (dorsal view, showing mandibular tusks); C. Enlarged section of the antenna." captionText-1="FIGURE 3. Mouthparts of Rhoenanthus hunanensis nymph (digital photos).A. Labrum (dorsal view); B. Hypopharynx (ventral view); C. Labium (dorsal view); D. Left mandible (dorsal view); E. Right mandible (dorsal view); F. Maxilla (dorsal view)." captionText-2="FIGURE 4. Structures of Rhoenanthus hunanensis nymph (digital photos). A. Foreleg (dorsal view); B. Midclaw (dorsal view); C. Gill VII (dorsal view); D. Midleg (dorsal view); E. Hindleg (dorsal view); F. Gill I (dorsal view); G. Midtibia (ventral view, showing setae on surface); H. Distal part of hindleg (ventral view, arrow indicating the tuft of setae); I. Pronotum (dorsal view, arrow indicating the acute point of dorsal ridge)." captionText-3="FIGURE 5. Male imago of Rhoenanthus hunanensis (digital photos)." figureDoi-0="http://doi.org/10.5281/zenodo.4434885" figureDoi-1="http://doi.org/10.5281/zenodo.4434889" figureDoi-2="http://doi.org/10.5281/zenodo.4434893" figureDoi-3="http://doi.org/10.5281/zenodo.4434897" httpUri-0="https://zenodo.org/record/4434885/files/figure.png" httpUri-1="https://zenodo.org/record/4434889/files/figure.png" httpUri-2="https://zenodo.org/record/4434893/files/figure.png" httpUri-3="https://zenodo.org/record/4434897/files/figure.png" pageId="2" pageNumber="565">Figs 25</figureCitation>
,
<figureCitation id="1336D593FF8EFF90864FEF1A5D7FFBDB" box="[262,275,1099,1125]" captionStart="FIGURE 6" captionStartId="7.[151,250,1023,1047]" captionTargetBox="[156,1432,187,1000]" captionTargetId="figure-17@7.[154,1433,181,1000]" captionTargetPageId="7" captionText="FIGURE 6. Male structures of Rhoenanthus spp. (digital photos). AD. Rhoenanthus hunanensis; EF. Rhoenanthus youi: A. Forewing; B. Hindwing; C, F. Genitalia (dorsal view); DE. Enlarged penes (ventral view)." figureDoi="http://doi.org/10.5281/zenodo.4434901" httpUri="https://zenodo.org/record/4434901/files/figure.png" pageId="2" pageNumber="565">6</figureCitation>
AD, 78, 11
</paragraph>
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<treatmentCitation id="0AACEF07FF8EFF9087DEEFDE5EC9FB19" author="You, D. S. &amp; Gui, H." box="[151,677,1167,1191]" page="118" pageId="2" pageNumber="565" year="1995">
<taxonomicName id="4C0DB295FF8EFF9087DEEFDE5EC9FB19" authority="You &amp; Gui, 1995: 118" authorityName="You &amp; Gui" authorityPageNumber="118" authorityYear="1995" box="[151,677,1167,1191]" class="Insecta" family="Potamanthidae" genus="Neopotamanthus" kingdom="Animalia" order="Ephemeroptera" pageId="2" pageNumber="565" phylum="Arthropoda" rank="species" species="hunanensis">
<emphasis id="B9791504FF8EFF9087DEEFDE5DD7FB19" box="[151,443,1167,1191]" italics="true" pageId="2" pageNumber="565">Neopotamanthus hunanensis</emphasis>
<bibRefCitation id="EF9CB4E7FF8EFF908688EFC15EC9FB19" author="You, D. S. &amp; Gui, H." box="[449,677,1167,1191]" pageId="2" pageNumber="565" pagination="1 - 152" refId="ref8223" refString="You, D. S. &amp; Gui, H. (1995) Ephemeroptera. In: Economic Insect Fauna of China. Fasc. 48. Science Press, Beijing, pp. 1 - 152." type="book chapter" year="1995">You &amp; Gui, 1995: 118</bibRefCitation>
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, Fig. 125.
<typeStatus id="54B677B4FF8EFF908458EFC15F3DFB16" box="[785,849,1168,1192]" pageId="2" pageNumber="565">Types</typeStatus>
: male and female, from
<collectingRegion id="49C907F4FF8EFF908301EFC15881FB19" box="[1096,1261,1167,1191]" country="China" name="Hunan" pageId="2" pageNumber="565">Hunan province</collectingRegion>
,
<collectingCountry id="F31A8986FF8EFF9083BEEFDE5958FB19" box="[1271,1332,1167,1191]" name="China" pageId="2" pageNumber="565">China</collectingCountry>
(based on
<treatmentCitation id="0AACEF07FF8EFF90878EEFFF5EE1FB7B" author="Zhang, J." box="[199,653,1198,1222]" page="7" pageId="2" pageNumber="565" year="1987">
<taxonomicName id="4C0DB295FF8EFF90878EEFFF5EE1FB7B" authority="Zhang, 1987: 7" authorityName="Zhang" authorityPageNumber="7" authorityYear="1987" box="[199,653,1198,1222]" class="Insecta" family="Potamanthidae" genus="Neopotamanthus" kingdom="Animalia" order="Ephemeroptera" pageId="2" pageNumber="565" phylum="Arthropoda" rank="species" species="hunanensis">
<emphasis id="B9791504FF8EFF90878EEFFF5D87FB78" box="[199,491,1198,1222]" italics="true" pageId="2" pageNumber="565">Neopotamanthus hunanensis</emphasis>
<bibRefCitation id="EF9CB4E7FF8EFF9086BBEFFF5EE1FB7B" author="Zhang, J." box="[498,653,1198,1222]" pageId="2" pageNumber="565" refId="ref8262" refString="Zhang, J. (1987) A Preliminary Study on the Ephemeroidea from Hunan Province and Hainan Island of China (Ephemeroptera). Master thesis, Nanjing Normal University. [unknown pagination, in Chinese]" type="book" year="1987">Zhang, 1987: 7</bibRefCitation>
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, unpublished master thesis, authorship unavailable).
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</paragraph>
<paragraph id="8BB2C916FF8EFF9087DEEF9D5845FABD" blockId="2.[151,1436,1167,1314]" pageId="2" pageNumber="565">
<treatmentCitationGroup id="AB1DEE38FF8EFF9087DEEF9D5845FABD" pageId="2" pageNumber="565">
<taxonomicName id="4C0DB295FF8EFF9087DEEF9D5F38FB5B" ID-CoL="6X6BC" authority=": Bae &amp; McCafferty 1991: 29 - 30" authorityName=": Bae &amp; McCafferty" authorityPageNumber="29 - 30" authorityYear="1991" box="[151,852,1228,1253]" class="Insecta" family="Potamanthidae" genus="Rhoenanthus" kingdom="Animalia" order="Ephemeroptera" pageId="2" pageNumber="565" phylum="Arthropoda" rank="species" species="youi" subGenus="Potamanthindus">
<emphasis id="B9791504FF8EFF9087DEEF9D5D77FB5A" box="[151,283,1228,1252]" italics="true" pageId="2" pageNumber="565">Rhoenanthus</emphasis>
(
<emphasis id="B9791504FF8EFF908663EF9D5DBCFB5A" box="[298,464,1228,1252]" italics="true" pageId="2" pageNumber="565">Potamanthindus</emphasis>
)
<emphasis id="B9791504FF8EFF908697EF9C5E7EFB5A" box="[478,530,1229,1252]" italics="true" pageId="2" pageNumber="565">youi:</emphasis>
<bibRefCitation id="EF9CB4E7FF8EFF908551EF9C5F38FB5B" author="Bae, Y. J. &amp; McCafferty, W. P." box="[536,852,1228,1253]" pageId="2" pageNumber="565" pagination="1 - 143" refId="ref7171" refString="Bae, Y. J. &amp; McCafferty, W. P. (1991) Phylogenetic Systematics of the Potamanthidae (Ephemeroptera). Transactions of the American Entomological Society, 117 (3 - 4), 1 - 143." type="journal article" year="1991">Bae &amp; McCafferty 1991:2930</bibRefCitation>
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[based on some materials of
<treatmentCitation id="0AACEF07FF8EFF908330EF9D5D08FABD" author="Zhang, J." page="7" pageId="2" pageNumber="565" year="1987">
<taxonomicName id="4C0DB295FF8EFF908330EF9D5D08FABD" authority="Zhang, 1987: 7" authorityName="Zhang" authorityPageNumber="7" authorityYear="1987" class="Insecta" family="Potamanthidae" genus="Neopotamanthus" kingdom="Animalia" order="Ephemeroptera" pageId="2" pageNumber="565" phylum="Arthropoda" rank="species" species="hunanensis">
<emphasis id="B9791504FF8EFF908330EF9D59F0FB5A" box="[1145,1436,1228,1252]" italics="true" pageId="2" pageNumber="565">Neopotamanthus hunanensis</emphasis>
<bibRefCitation id="EF9CB4E7FF8EFF90878EEFBA5D08FABD" author="Zhang, J." box="[199,356,1259,1283]" pageId="2" pageNumber="565" refId="ref8262" refString="Zhang, J. (1987) A Preliminary Study on the Ephemeroidea from Hunan Province and Hainan Island of China (Ephemeroptera). Master thesis, Nanjing Normal University. [unknown pagination, in Chinese]" type="book" year="1987">Zhang, 1987: 7</bibRefCitation>
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;
<emphasis id="B9791504FF8EFF908626EFBD5DFEFABD" box="[367,402,1260,1283]" italics="true" pageId="2" pageNumber="565">nec</emphasis>
<taxonomicName id="4C0DB295FF8EFF9086D1EFBA5F7FFABD" ID-CoL="6X6BC" authority="(Wu &amp; You, 1986)" baseAuthorityName="Wu &amp; You" baseAuthorityYear="1986" box="[408,787,1259,1283]" class="Insecta" family="Potamanthidae" genus="Rhoenanthus" kingdom="Animalia" order="Ephemeroptera" pageId="2" pageNumber="565" phylum="Arthropoda" rank="species" species="youi">
<emphasis id="B9791504FF8EFF9086D1EFBA5E23FABD" box="[408,591,1259,1283]" italics="true" pageId="2" pageNumber="565">Rhoenanthus youi</emphasis>
(
<bibRefCitation id="EF9CB4E7FF8EFF908512EFBA5F60FABD" author="Wu, X. Y. &amp; You, D. S." box="[603,780,1259,1283]" pageId="2" pageNumber="565" pagination="401 - 405" refId="ref8085" refString="Wu, X. Y. &amp; You, D. S. (1986) A new genus and species of Potamanthidae from China (Ephemeroptera). Acta Zootaxonomica Sinica, 11 (4), 401 - 405. [in Chinese]" type="journal article" year="1986">Wu &amp; You, 1986</bibRefCitation>
)
</taxonomicName>
, partial mis-identification].
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</paragraph>
<paragraph id="8BB2C916FF8EFF9087DEEE5B5E3FFA9C" blockId="2.[151,1436,1167,1314]" box="[151,595,1290,1314]" pageId="2" pageNumber="565">
<treatmentCitationGroup id="AB1DEE38FF8EFF9087DEEE5B5E3FFA9C" box="[151,595,1290,1314]" pageId="2" pageNumber="565">
<treatmentCitation id="0AACEF07FF8EFF9087DEEE5B5E22FA9C" author="Kluge, N. J." box="[151,590,1290,1314]" page="223" pageId="2" pageNumber="565" year="2004">
<taxonomicName id="4C0DB295FF8EFF9087DEEE5B5E22FA9C" authority=": Kluge 2004: 223" authorityName=": Kluge" authorityPageNumber="223" authorityYear="2004" box="[151,590,1290,1314]" class="Insecta" family="Potamanthidae" genus="Rhoenanthus" kingdom="Animalia" order="Ephemeroptera" pageId="2" pageNumber="565" phylum="Arthropoda" rank="species" species="hunanensis">
<emphasis id="B9791504FF8EFF9087DEEE5B5DF8FA9C" box="[151,404,1290,1314]" italics="true" pageId="2" pageNumber="565">Rhoenanthus hunanensis</emphasis>
:
<bibRefCitation id="EF9CB4E7FF8EFF9086E8EE5B5E22FA9C" author="Kluge, N. J." box="[417,590,1290,1314]" pageId="2" pageNumber="565" refId="ref7418" refString="Kluge, N. J. (2004) The phylogenetic system of Ephemeroptera. Kluwer Academic Publishers, Dordrecht, 456 pp. https: // doi. org / 10.1007 / 978 - 94 - 007 - 0872 - 3" type="book" year="2004">Kluge 2004: 223</bibRefCitation>
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.
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</paragraph>
</subSubSection>
<subSubSection id="C3179A9DFF8EFF9787DEEE015DB5F855" lastPageId="5" lastPageNumber="568" pageId="2" pageNumber="565" type="distribution">
<paragraph id="8BB2C916FF8EFF9087DEEE015E2FFAD4" blockId="2.[151,1437,1360,2035]" box="[151,579,1360,1387]" pageId="2" pageNumber="565">
<emphasis id="B9791504FF8EFF9087DEEE015D45FAD4" bold="true" box="[151,297,1360,1386]" pageId="2" pageNumber="565">Distribution</emphasis>
:
<collectingCountry id="F31A8986FF8EFF908671EE015D17FAD4" box="[312,379,1360,1386]" name="China" pageId="2" pageNumber="565">China</collectingCountry>
(
<collectingRegion id="49C907F4FF8EFF9086C3EE015DB5FAD4" box="[394,473,1360,1386]" country="China" name="Hunan" pageId="2" pageNumber="565">Hunan</collectingRegion>
,
<figureCitation id="1336D593FF8EFF9086ADEE015E58FAD4" box="[484,564,1360,1386]" captionStart="FIGURE 11" captionStartId="12.[151,250,1447,1471]" captionTargetBox="[201,1385,671,1419]" captionTargetId="figure-252@12.[197,1391,669,1424]" captionTargetPageId="12" captionText="FIGURE 11. Chinese Rhoenanthus species distribution map." figureDoi="http://doi.org/10.5281/zenodo.4434915" httpUri="https://zenodo.org/record/4434915/files/figure.png" pageId="2" pageNumber="565">Fig. 11</figureCitation>
).
</paragraph>
<paragraph id="8BB2C916FF8EFF90878EEE255E18FA0C" blockId="2.[151,1437,1360,2035]" pageId="2" pageNumber="565">
<emphasis id="B9791504FF8EFF90878EEE255DEDFA30" bold="true" box="[199,385,1396,1422]" pageId="2" pageNumber="565">Mature Nymph</emphasis>
(in alcohol,
<figureCitation id="1336D593FF8EFF908547EE255E1FFA30" box="[526,627,1396,1422]" captionStart-0="FIGURE 2" captionStart-1="FIGURE 3" captionStart-2="FIGURE 4" captionStartId-0="3.[151,250,1430,1454]" captionStartId-1="4.[151,250,1186,1210]" captionStartId-2="5.[151,250,1318,1342]" captionTargetBox-0="[151,1436,273,1407]" captionTargetBox-1="[160,1430,273,1161]" captionTargetBox-2="[164,1423,348,1295]" captionTargetId-0="figure-71@3.[151,1436,273,1407]" captionTargetId-1="figure-58@4.[157,1430,273,1163]" captionTargetId-2="figure-87@5.[164,1423,345,1295]" captionTargetPageId-0="3" captionTargetPageId-1="4" captionTargetPageId-2="5" captionText-0="FIGURE 2. Nymphal characters of Rhoenanthus hunanensis (digital photos).A. Habitus in dorsal view; B. Head and pronotum of another more mature nymph (dorsal view, showing mandibular tusks); C. Enlarged section of the antenna." captionText-1="FIGURE 3. Mouthparts of Rhoenanthus hunanensis nymph (digital photos).A. Labrum (dorsal view); B. Hypopharynx (ventral view); C. Labium (dorsal view); D. Left mandible (dorsal view); E. Right mandible (dorsal view); F. Maxilla (dorsal view)." captionText-2="FIGURE 4. Structures of Rhoenanthus hunanensis nymph (digital photos). A. Foreleg (dorsal view); B. Midclaw (dorsal view); C. Gill VII (dorsal view); D. Midleg (dorsal view); E. Hindleg (dorsal view); F. Gill I (dorsal view); G. Midtibia (ventral view, showing setae on surface); H. Distal part of hindleg (ventral view, arrow indicating the tuft of setae); I. Pronotum (dorsal view, arrow indicating the acute point of dorsal ridge)." figureDoi-0="http://doi.org/10.5281/zenodo.4434885" figureDoi-1="http://doi.org/10.5281/zenodo.4434889" figureDoi-2="http://doi.org/10.5281/zenodo.4434893" httpUri-0="https://zenodo.org/record/4434885/files/figure.png" httpUri-1="https://zenodo.org/record/4434889/files/figure.png" httpUri-2="https://zenodo.org/record/4434893/files/figure.png" pageId="2" pageNumber="565">Figs 24</figureCitation>
): body length 20.0 mm, antennae 6.0 mm, cerci 10.012.0 mm, terminal filament 12.0 mm. Body yellowish brown.
</paragraph>
<paragraph id="8BB2C916FF8EFF90878EEEED5E3EF9A0" blockId="2.[151,1437,1360,2035]" pageId="2" pageNumber="565">
<emphasis id="B9791504FF8EFF90878EEEED5D61FA68" box="[199,269,1468,1494]" italics="true" pageId="2" pageNumber="565">Head:</emphasis>
Yellowish to pale brownish, compound eyes large, ecdysial line pale; distance between two compound eyes 3.0x diameter of eye (
<figureCitation id="1336D593FF8EFF908681EEB15E67FA44" box="[456,523,1504,1530]" captionStart="FIGURE 2" captionStartId="3.[151,250,1430,1454]" captionTargetBox="[151,1436,273,1407]" captionTargetId="figure-71@3.[151,1436,273,1407]" captionTargetPageId="3" captionText="FIGURE 2. Nymphal characters of Rhoenanthus hunanensis (digital photos).A. Habitus in dorsal view; B. Head and pronotum of another more mature nymph (dorsal view, showing mandibular tusks); C. Enlarged section of the antenna." figureDoi="http://doi.org/10.5281/zenodo.4434885" httpUri="https://zenodo.org/record/4434885/files/figure.png" pageId="2" pageNumber="565">Fig. 2</figureCitation>
AB); antennae 3.0x head in length, basal yellowish and gradually pale, articulations with tiny hair-like setae (
<figureCitation id="1336D593FF8EFF9086A4ED555E29F9A0" box="[493,581,1540,1566]" captionStart="FIGURE 2" captionStartId="3.[151,250,1430,1454]" captionTargetBox="[151,1436,273,1407]" captionTargetId="figure-71@3.[151,1436,273,1407]" captionTargetPageId="3" captionText="FIGURE 2. Nymphal characters of Rhoenanthus hunanensis (digital photos).A. Habitus in dorsal view; B. Head and pronotum of another more mature nymph (dorsal view, showing mandibular tusks); C. Enlarged section of the antenna." figureDoi="http://doi.org/10.5281/zenodo.4434885" httpUri="https://zenodo.org/record/4434885/files/figure.png" pageId="2" pageNumber="565">Fig. 2C</figureCitation>
).
</paragraph>
<paragraph id="8BB2C916FF8EFF91878EED7958E5FF47" blockId="2.[151,1437,1360,2035]" lastBlockId="3.[151,1436,151,249]" lastPageId="3" lastPageNumber="566" pageId="2" pageNumber="565">
<emphasis id="B9791504FF8EFF90878EED795D3FF9FC" box="[199,339,1576,1602]" italics="true" pageId="2" pageNumber="565">Mouthparts:</emphasis>
Labrum: 1/3 head width, hair-like setae on dorsal surface, anterior and lateral margins, those on anterior margin shorter and denser than marginal setae (
<figureCitation id="1336D593FF8EFF908448ED1D5F36F9D8" box="[769,858,1612,1638]" captionStart="FIGURE 3" captionStartId="4.[151,250,1186,1210]" captionTargetBox="[160,1430,273,1161]" captionTargetId="figure-58@4.[157,1430,273,1163]" captionTargetPageId="4" captionText="FIGURE 3. Mouthparts of Rhoenanthus hunanensis nymph (digital photos).A. Labrum (dorsal view); B. Hypopharynx (ventral view); C. Labium (dorsal view); D. Left mandible (dorsal view); E. Right mandible (dorsal view); F. Maxilla (dorsal view)." figureDoi="http://doi.org/10.5281/zenodo.4434889" httpUri="https://zenodo.org/record/4434889/files/figure.png" pageId="2" pageNumber="565">Fig. 3A</figureCitation>
). Mandibular tusks approximately 2.0x head length, taper from base to apex, slightly bent inward; apical 3/4 brown, basal 1/4 pale, triangular, with scattered spine-like denticles and additional hair-like setae on outer margin (
<figureCitation id="1336D593FF8EFF90845AEDC55F36F910" box="[787,858,1684,1710]" captionStart="FIGURE 2" captionStartId="3.[151,250,1430,1454]" captionTargetBox="[151,1436,273,1407]" captionTargetId="figure-71@3.[151,1436,273,1407]" captionTargetPageId="3" captionText="FIGURE 2. Nymphal characters of Rhoenanthus hunanensis (digital photos).A. Habitus in dorsal view; B. Head and pronotum of another more mature nymph (dorsal view, showing mandibular tusks); C. Enlarged section of the antenna." figureDoi="http://doi.org/10.5281/zenodo.4434885" httpUri="https://zenodo.org/record/4434885/files/figure.png" pageId="2" pageNumber="565">Figs 2</figureCitation>
AB, 3DE). Hypopharynx: superlinguae extended into falcate lobe-like structure, lateral margins with sparse hair-like setae, and anterior margin with denser hair-like setae; lingua heart-shaped (
<figureCitation id="1336D593FF8EFF908682ED8D5E48F948" box="[459,548,1756,1782]" captionStart="FIGURE 3" captionStartId="4.[151,250,1186,1210]" captionTargetBox="[160,1430,273,1161]" captionTargetId="figure-58@4.[157,1430,273,1163]" captionTargetPageId="4" captionText="FIGURE 3. Mouthparts of Rhoenanthus hunanensis nymph (digital photos).A. Labrum (dorsal view); B. Hypopharynx (ventral view); C. Labium (dorsal view); D. Left mandible (dorsal view); E. Right mandible (dorsal view); F. Maxilla (dorsal view)." figureDoi="http://doi.org/10.5281/zenodo.4434889" httpUri="https://zenodo.org/record/4434889/files/figure.png" pageId="2" pageNumber="565">Fig. 3B</figureCitation>
). Maxilla: apex of galea-lacinia with 2 large dentisetae and a tuft of brush-like setae anteriorly, those near dentisetae relatively denser and stouter than others; inner margin with a row of bristlelike setae, outer margin and cardo with hair-like setae; maxillary palpi 3-segmented, length ratio from proximal to apical 1.4: 0.9: 1.5; segment 1 subequal to galea-lacinia in length, with setae on outer margin; both inner and outer margins of segment 2 with scattered hair-like setae, segment 3 with scattered but longer hair-like setae on entire surface (
<figureCitation id="1336D593FF8EFF9087B1ECC15D21F814" box="[248,333,1936,1962]" captionStart="FIGURE 3" captionStartId="4.[151,250,1186,1210]" captionTargetBox="[160,1430,273,1161]" captionTargetId="figure-58@4.[157,1430,273,1163]" captionTargetPageId="4" captionText="FIGURE 3. Mouthparts of Rhoenanthus hunanensis nymph (digital photos).A. Labrum (dorsal view); B. Hypopharynx (ventral view); C. Labium (dorsal view); D. Left mandible (dorsal view); E. Right mandible (dorsal view); F. Maxilla (dorsal view)." figureDoi="http://doi.org/10.5281/zenodo.4434889" httpUri="https://zenodo.org/record/4434889/files/figure.png" pageId="2" pageNumber="565">Fig. 3F</figureCitation>
). Labium: paraglossae expanded laterally, with dense hair-like setae on both surface, those on free margins relatively longer and denser; surface of glossae with hair-like setae; labial palpi 3-segmented, length ratio from basal to distal 1.1: 0.6: 0.9, basal segment broader than others, with row of setae on outer margin and sparse tiny setae on inner margin; outer margin of segment 2 with row of sparser but longer hair-like setae; outer margin of segment 3 with longer hair-like setae than those on other segments, apically with rows of irregularly stout bristlelike setae on dorsal surface, and with scattered hair-like setae on ventral surface (
<figureCitation id="1336D593FF8FFF91836AEB8E5810FF47" box="[1059,1148,223,249]" captionStart="FIGURE 3" captionStartId="4.[151,250,1186,1210]" captionTargetBox="[160,1430,273,1161]" captionTargetId="figure-58@4.[157,1430,273,1163]" captionTargetPageId="4" captionText="FIGURE 3. Mouthparts of Rhoenanthus hunanensis nymph (digital photos).A. Labrum (dorsal view); B. Hypopharynx (ventral view); C. Labium (dorsal view); D. Left mandible (dorsal view); E. Right mandible (dorsal view); F. Maxilla (dorsal view)." figureDoi="http://doi.org/10.5281/zenodo.4434889" httpUri="https://zenodo.org/record/4434889/files/figure.png" pageId="3" pageNumber="566">Fig. 3C</figureCitation>
).
</paragraph>
<caption id="DF72999EFF8FFF9187DEEEC75889FA6C" ID-DOI="http://doi.org/10.5281/zenodo.4434885" ID-Zenodo-Dep="4434885" httpUri="https://zenodo.org/record/4434885/files/figure.png" pageId="3" pageNumber="566" startId="3.[151,250,1430,1454]" targetBox="[151,1436,273,1407]" targetPageId="3">
<paragraph id="8BB2C916FF8FFF9187DEEEC75889FA6C" blockId="3.[151,1437,1430,1490]" pageId="3" pageNumber="566">
<emphasis id="B9791504FF8FFF9187DEEEC75D60FA10" bold="true" box="[151,268,1430,1454]" pageId="3" pageNumber="566">FIGURE 2</emphasis>
. Nymphal characters of
<taxonomicName id="4C0DB295FF8FFF91854AEEC75E93FA10" authorityName=": Kluge" authorityYear="2004" box="[515,767,1430,1454]" class="Insecta" family="Potamanthidae" genus="Rhoenanthus" kingdom="Animalia" order="Ephemeroptera" pageId="3" pageNumber="566" phylum="Arthropoda" rank="species" species="hunanensis">
<emphasis id="B9791504FF8FFF91854AEEC75E93FA10" box="[515,767,1430,1454]" italics="true" pageId="3" pageNumber="566">Rhoenanthus hunanensis</emphasis>
</taxonomicName>
(digital photos). A. Habitus in dorsal view; B. Head and pronotum of another more mature nymph (dorsal view, showing mandibular tusks); C. Enlarged section of the antenna.
</paragraph>
</caption>
<paragraph id="8BB2C916FF8FFF96878EED515DBFFF47" blockId="3.[151,1437,1536,2031]" lastBlockId="4.[151,1436,151,249]" lastPageId="4" lastPageNumber="567" pageId="3" pageNumber="566">
<emphasis id="B9791504FF8FFF91878EED515D4DF9A4" box="[199,289,1536,1562]" italics="true" pageId="3" pageNumber="566">Thorax:</emphasis>
pronotum extended laterally and forwards forming acute anterolateral corners, dorsal surface with irregularly pale and brown spots, with a dorsal semicircular ridge to interlock with head, anterior points of ridge extended into acute projections (
<figureCitation id="1336D593FF8FFF91854CED195E3FF9DD" box="[517,595,1608,1635]" captionStart="FIGURE 4" captionStartId="5.[151,250,1318,1342]" captionTargetBox="[164,1423,348,1295]" captionTargetId="figure-87@5.[164,1423,345,1295]" captionTargetPageId="5" captionText="FIGURE 4. Structures of Rhoenanthus hunanensis nymph (digital photos). A. Foreleg (dorsal view); B. Midclaw (dorsal view); C. Gill VII (dorsal view); D. Midleg (dorsal view); E. Hindleg (dorsal view); F. Gill I (dorsal view); G. Midtibia (ventral view, showing setae on surface); H. Distal part of hindleg (ventral view, arrow indicating the tuft of setae); I. Pronotum (dorsal view, arrow indicating the acute point of dorsal ridge)." figureDoi="http://doi.org/10.5281/zenodo.4434893" httpUri="https://zenodo.org/record/4434893/files/figure.png" pageId="3" pageNumber="566">Fig. 4I</figureCitation>
); Mesonotum and metanotum with some pale markings dorsally; wing pad brownish yellow (
<figureCitation id="1336D593FF8FFF91862BED3D5DC9F939" box="[354,421,1644,1671]" captionStart="FIGURE 2" captionStartId="3.[151,250,1430,1454]" captionTargetBox="[151,1436,273,1407]" captionTargetId="figure-71@3.[151,1436,273,1407]" captionTargetPageId="3" captionText="FIGURE 2. Nymphal characters of Rhoenanthus hunanensis (digital photos).A. Habitus in dorsal view; B. Head and pronotum of another more mature nymph (dorsal view, showing mandibular tusks); C. Enlarged section of the antenna." figureDoi="http://doi.org/10.5281/zenodo.4434885" httpUri="https://zenodo.org/record/4434885/files/figure.png" pageId="3" pageNumber="566">Fig. 2</figureCitation>
AB). Forelegs: coxa and trochanter with sparse hair-like setae on margins; length ratio of femora: tibiae: tarsi=2: 2.3: 1; femora yellowish, free margins and surface with sparse stout bristle-like and hair-like setae, those on inner margins denser and longer; dorsal surface of tibiae with rows of relatively long and sporadic setae, inner margin with additional row of spine-like setae apically; tarsi similar to tibiae in structure except those setae on free margins shorter and sparser but with more spine-like setae on inner margin (
<figureCitation id="1336D593FF8FFF9183DAEDAD589DF8A9" box="[1171,1265,1788,1815]" captionStart="FIGURE 2" captionStartId="3.[151,250,1430,1454]" captionTargetBox="[151,1436,273,1407]" captionTargetId="figure-71@3.[151,1436,273,1407]" captionTargetPageId="3" captionText="FIGURE 2. Nymphal characters of Rhoenanthus hunanensis (digital photos).A. Habitus in dorsal view; B. Head and pronotum of another more mature nymph (dorsal view, showing mandibular tusks); C. Enlarged section of the antenna." figureDoi="http://doi.org/10.5281/zenodo.4434885" httpUri="https://zenodo.org/record/4434885/files/figure.png" pageId="3" pageNumber="566">Figs 2A</figureCitation>
,
<figureCitation id="1336D593FF8FFF9183B7EDAC5948F8A9" box="[1278,1316,1789,1815]" captionStart="FIGURE 4" captionStartId="5.[151,250,1318,1342]" captionTargetBox="[164,1423,348,1295]" captionTargetId="figure-87@5.[164,1423,345,1295]" captionTargetPageId="5" captionText="FIGURE 4. Structures of Rhoenanthus hunanensis nymph (digital photos). A. Foreleg (dorsal view); B. Midclaw (dorsal view); C. Gill VII (dorsal view); D. Midleg (dorsal view); E. Hindleg (dorsal view); F. Gill I (dorsal view); G. Midtibia (ventral view, showing setae on surface); H. Distal part of hindleg (ventral view, arrow indicating the tuft of setae); I. Pronotum (dorsal view, arrow indicating the acute point of dorsal ridge)." figureDoi="http://doi.org/10.5281/zenodo.4434893" httpUri="https://zenodo.org/record/4434893/files/figure.png" pageId="3" pageNumber="566">4A</figureCitation>
). Midlegs: coxae with sparse setae and an acute projection dorsally; length ratio of femora: tibiae: tarsi=2.8: 2.6: 1.0; femora wider and flatter than tibiae and tarsi, dorsal surface with sporadic spine-like setae, inner and outer margins with row of spine-like setae and scattered hair-like setae; tibiae with clear patellar-tibial fusion suture and an acute apical denticle, rows of hair-like setae and stout spine-like setae on whole surface of tibiae, those of ventral surface shorter; tarsi with hair-like setae on dorsal and free margins but those on margins much sparser and shorter than dorsal line (
<figureCitation id="1336D593FF8FFF918655EC855D15F851" box="[284,377,2004,2031]" captionStart="FIGURE 2" captionStartId="3.[151,250,1430,1454]" captionTargetBox="[151,1436,273,1407]" captionTargetId="figure-71@3.[151,1436,273,1407]" captionTargetPageId="3" captionText="FIGURE 2. Nymphal characters of Rhoenanthus hunanensis (digital photos).A. Habitus in dorsal view; B. Head and pronotum of another more mature nymph (dorsal view, showing mandibular tusks); C. Enlarged section of the antenna." figureDoi="http://doi.org/10.5281/zenodo.4434885" httpUri="https://zenodo.org/record/4434885/files/figure.png" pageId="3" pageNumber="566">Figs 2A</figureCitation>
,
<figureCitation id="1336D593FF8FFF9186CCEC845DB7F851" box="[389,475,2005,2031]" captionStart="FIGURE 4" captionStartId="5.[151,250,1318,1342]" captionTargetBox="[164,1423,348,1295]" captionTargetId="figure-87@5.[164,1423,345,1295]" captionTargetPageId="5" captionText="FIGURE 4. Structures of Rhoenanthus hunanensis nymph (digital photos). A. Foreleg (dorsal view); B. Midclaw (dorsal view); C. Gill VII (dorsal view); D. Midleg (dorsal view); E. Hindleg (dorsal view); F. Gill I (dorsal view); G. Midtibia (ventral view, showing setae on surface); H. Distal part of hindleg (ventral view, arrow indicating the tuft of setae); I. Pronotum (dorsal view, arrow indicating the acute point of dorsal ridge)." figureDoi="http://doi.org/10.5281/zenodo.4434893" httpUri="https://zenodo.org/record/4434893/files/figure.png" pageId="3" pageNumber="566">4D, 4G</figureCitation>
); Hindlegs slightly longer than midlegs with a slightly broader femora, length ratio of femora: tibiae: tarsi=3.6: 2.8: 1.0; setation patterns similar to midlegs except ventral surface of tibiae without setae while inner margin of femora with tuft of setae or villopore subapically (
<figureCitation id="1336D593FF88FF96849FEBEA585EFF6B" box="[982,1074,187,213]" captionStart="FIGURE 4" captionStartId="5.[151,250,1318,1342]" captionTargetBox="[164,1423,348,1295]" captionTargetId="figure-87@5.[164,1423,345,1295]" captionTargetPageId="5" captionText="FIGURE 4. Structures of Rhoenanthus hunanensis nymph (digital photos). A. Foreleg (dorsal view); B. Midclaw (dorsal view); C. Gill VII (dorsal view); D. Midleg (dorsal view); E. Hindleg (dorsal view); F. Gill I (dorsal view); G. Midtibia (ventral view, showing setae on surface); H. Distal part of hindleg (ventral view, arrow indicating the tuft of setae); I. Pronotum (dorsal view, arrow indicating the acute point of dorsal ridge)." figureDoi="http://doi.org/10.5281/zenodo.4434893" httpUri="https://zenodo.org/record/4434893/files/figure.png" pageId="4" pageNumber="567">Fig. 4H</figureCitation>
). Claws of all legs similar, with dark hooked apex (
<figureCitation id="1336D593FF88FF968627EB8E5DAAFF47" box="[366,454,223,249]" captionStart="FIGURE 4" captionStartId="5.[151,250,1318,1342]" captionTargetBox="[164,1423,348,1295]" captionTargetId="figure-87@5.[164,1423,345,1295]" captionTargetPageId="5" captionText="FIGURE 4. Structures of Rhoenanthus hunanensis nymph (digital photos). A. Foreleg (dorsal view); B. Midclaw (dorsal view); C. Gill VII (dorsal view); D. Midleg (dorsal view); E. Hindleg (dorsal view); F. Gill I (dorsal view); G. Midtibia (ventral view, showing setae on surface); H. Distal part of hindleg (ventral view, arrow indicating the tuft of setae); I. Pronotum (dorsal view, arrow indicating the acute point of dorsal ridge)." figureDoi="http://doi.org/10.5281/zenodo.4434893" httpUri="https://zenodo.org/record/4434893/files/figure.png" pageId="4" pageNumber="567">Fig. 4B</figureCitation>
).
</paragraph>
<caption id="DF72999EFF88FF9687DEEFF35917FB60" ID-DOI="http://doi.org/10.5281/zenodo.4434889" ID-Zenodo-Dep="4434889" httpUri="https://zenodo.org/record/4434889/files/figure.png" pageId="4" pageNumber="567" startId="4.[151,250,1186,1210]" targetBox="[160,1430,273,1161]" targetPageId="4">
<paragraph id="8BB2C916FF88FF9687DEEFF35917FB60" blockId="4.[151,1436,1186,1246]" pageId="4" pageNumber="567">
<emphasis id="B9791504FF88FF9687DEEFF35D60FB04" bold="true" box="[151,268,1186,1210]" pageId="4" pageNumber="567">FIGURE 3</emphasis>
. Mouthparts of
<taxonomicName id="4C0DB295FF88FF9686E2EFF35ECBFB04" authorityName=": Kluge" authorityYear="2004" box="[427,679,1186,1210]" class="Insecta" family="Potamanthidae" genus="Rhoenanthus" kingdom="Animalia" order="Ephemeroptera" pageId="4" pageNumber="567" phylum="Arthropoda" rank="species" species="hunanensis">
<emphasis id="B9791504FF88FF9686E2EFF35ECBFB04" box="[427,679,1186,1210]" italics="true" pageId="4" pageNumber="567">Rhoenanthus hunanensis</emphasis>
</taxonomicName>
nymph (digital photos). A. Labrum (dorsal view); B. Hypopharynx (ventral view); C. Labium (dorsal view); D. Left mandible (dorsal view); E. Right mandible (dorsal view); F. Maxilla (dorsal view).
</paragraph>
</caption>
<paragraph id="8BB2C916FF88FF96878EEE5D592AFA08" blockId="4.[151,1437,1292,2039]" pageId="4" pageNumber="567">
<emphasis id="B9791504FF88FF96878EEE5D5D56FA98" box="[199,314,1292,1318]" italics="true" pageId="4" pageNumber="567">Abdomen:</emphasis>
middle of terga IX with an unconspicuously longitudinal pale stripe, lateral margins of terga with hair-like setae, posterolateral angles of tergum 9 slightly extended into sharp point; gills on terga IVII, gill I much smaller than others, 2-segmented, with sparse hair-like setae (
<figureCitation id="1336D593FF88FF968407EE055FC9FAD0" box="[846,933,1364,1390]" captionStart="FIGURE 4" captionStartId="5.[151,250,1318,1342]" captionTargetBox="[164,1423,348,1295]" captionTargetId="figure-87@5.[164,1423,345,1295]" captionTargetPageId="5" captionText="FIGURE 4. Structures of Rhoenanthus hunanensis nymph (digital photos). A. Foreleg (dorsal view); B. Midclaw (dorsal view); C. Gill VII (dorsal view); D. Midleg (dorsal view); E. Hindleg (dorsal view); F. Gill I (dorsal view); G. Midtibia (ventral view, showing setae on surface); H. Distal part of hindleg (ventral view, arrow indicating the tuft of setae); I. Pronotum (dorsal view, arrow indicating the acute point of dorsal ridge)." figureDoi="http://doi.org/10.5281/zenodo.4434893" httpUri="https://zenodo.org/record/4434893/files/figure.png" pageId="4" pageNumber="567">Fig. 4F</figureCitation>
); gills IIVII bifurcated into two fibrilliform lamellae; apex of them narrower than the bases, black tracheae visible (
<figureCitation id="1336D593FF88FF9684F7EE295870FA2C" box="[958,1052,1400,1426]" captionStart="FIGURE 2" captionStartId="3.[151,250,1430,1454]" captionTargetBox="[151,1436,273,1407]" captionTargetId="figure-71@3.[151,1436,273,1407]" captionTargetPageId="3" captionText="FIGURE 2. Nymphal characters of Rhoenanthus hunanensis (digital photos).A. Habitus in dorsal view; B. Head and pronotum of another more mature nymph (dorsal view, showing mandibular tusks); C. Enlarged section of the antenna." figureDoi="http://doi.org/10.5281/zenodo.4434885" httpUri="https://zenodo.org/record/4434885/files/figure.png" pageId="4" pageNumber="567">Figs 2A</figureCitation>
,
<figureCitation id="1336D593FF88FF968360EE295821FA2C" box="[1065,1101,1400,1426]" captionStart="FIGURE 4" captionStartId="5.[151,250,1318,1342]" captionTargetBox="[164,1423,348,1295]" captionTargetId="figure-87@5.[164,1423,345,1295]" captionTargetPageId="5" captionText="FIGURE 4. Structures of Rhoenanthus hunanensis nymph (digital photos). A. Foreleg (dorsal view); B. Midclaw (dorsal view); C. Gill VII (dorsal view); D. Midleg (dorsal view); E. Hindleg (dorsal view); F. Gill I (dorsal view); G. Midtibia (ventral view, showing setae on surface); H. Distal part of hindleg (ventral view, arrow indicating the tuft of setae); I. Pronotum (dorsal view, arrow indicating the acute point of dorsal ridge)." figureDoi="http://doi.org/10.5281/zenodo.4434893" httpUri="https://zenodo.org/record/4434893/files/figure.png" pageId="4" pageNumber="567">4C</figureCitation>
). Caudal filaments yellowish, with whorls of short hair-like setae on articulations and additional swimming setae on both sides (
<figureCitation id="1336D593FF88FF968396EECD5955FA08" box="[1247,1337,1436,1462]" captionStart="FIGURE 2" captionStartId="3.[151,250,1430,1454]" captionTargetBox="[151,1436,273,1407]" captionTargetId="figure-71@3.[151,1436,273,1407]" captionTargetPageId="3" captionText="FIGURE 2. Nymphal characters of Rhoenanthus hunanensis (digital photos).A. Habitus in dorsal view; B. Head and pronotum of another more mature nymph (dorsal view, showing mandibular tusks); C. Enlarged section of the antenna." figureDoi="http://doi.org/10.5281/zenodo.4434885" httpUri="https://zenodo.org/record/4434885/files/figure.png" pageId="4" pageNumber="567">Fig. 2A</figureCitation>
).
</paragraph>
<paragraph id="8BB2C916FF88FF96878EEE91590BFA41" blockId="4.[151,1437,1292,2039]" pageId="4" pageNumber="567">
<emphasis id="B9791504FF88FF96878EEE915D3FFA64" bold="true" box="[199,339,1472,1498]" pageId="4" pageNumber="567">Male imago</emphasis>
(in alcohol,
<figureCitation id="1336D593FF88FF9686A9EE915E4FFA65" box="[480,547,1472,1499]" captionStart="FIGURE 5" captionStartId="6.[151,250,1797,1821]" captionTargetBox="[254,1335,181,1773]" captionTargetId="figure-16@6.[252,1335,181,1773]" captionTargetPageId="6" captionText="FIGURE 5. Male imago of Rhoenanthus hunanensis (digital photos)." figureDoi="http://doi.org/10.5281/zenodo.4434897" httpUri="https://zenodo.org/record/4434897/files/figure.png" pageId="4" pageNumber="567">Figs 5</figureCitation>
AD, 6AD): Body length 19.0 mm, antenna
<quantity id="4CF564F3FF88FF96836BEE915816FA65" box="[1058,1146,1472,1499]" metricMagnitude="-3" metricUnit="m" metricValue="1.5" pageId="4" pageNumber="567" unit="mm" value="1.5">1.5 mm</quantity>
, forewing 15.0 mm, hindwing 5.0 mm, cerci 21.0 mm, median terminal filament 7.0 mm. General color reddish to dark brown (
<figureCitation id="1336D593FF88FF96825DEEB55935FA41" box="[1300,1369,1508,1535]" captionStart="FIGURE 5" captionStartId="6.[151,250,1797,1821]" captionTargetBox="[254,1335,181,1773]" captionTargetId="figure-16@6.[252,1335,181,1773]" captionTargetPageId="6" captionText="FIGURE 5. Male imago of Rhoenanthus hunanensis (digital photos)." figureDoi="http://doi.org/10.5281/zenodo.4434897" httpUri="https://zenodo.org/record/4434897/files/figure.png" pageId="4" pageNumber="567">Fig. 5</figureCitation>
).
</paragraph>
<paragraph id="8BB2C916FF88FF96878EED595CD9F9D5" blockId="4.[151,1437,1292,2039]" pageId="4" pageNumber="567">
<emphasis id="B9791504FF88FF96878EED595D61F99C" box="[199,269,1544,1570]" italics="true" pageId="4" pageNumber="567">Head:</emphasis>
Head red to dark brown dorsally, distance between compound eyes less than diameter of one eye; basal part of compound eyes blackish but apical one gray. Ocelli with black basal band. Antennae pale yellowish (
<figureCitation id="1336D593FF88FF968226ED7D5CCBF9D5" captionStart="FIGURE 5" captionStartId="6.[151,250,1797,1821]" captionTargetBox="[254,1335,181,1773]" captionTargetId="figure-16@6.[252,1335,181,1773]" captionTargetPageId="6" captionText="FIGURE 5. Male imago of Rhoenanthus hunanensis (digital photos)." figureDoi="http://doi.org/10.5281/zenodo.4434897" httpUri="https://zenodo.org/record/4434897/files/figure.png" pageId="4" pageNumber="567">Fig. 5</figureCitation>
).
</paragraph>
<paragraph id="8BB2C916FF88FF96878EED255968F810" blockId="4.[151,1437,1292,2039]" pageId="4" pageNumber="567">
<emphasis id="B9791504FF88FF96878EED255D4DF930" box="[199,289,1652,1678]" italics="true" pageId="4" pageNumber="567">Thorax:</emphasis>
pronotum with irregular purplish stripes and dots. Membranous areas between coxae and thorax enlarged, making prosternum extremely narrowed medially and with near Xshaped marginal ridges (
<figureCitation id="1336D593FF88FF968249EDC95937F90C" box="[1280,1371,1688,1714]" captionStart="FIGURE 7" captionStartId="8.[151,250,1365,1389]" captionTargetBox="[151,1409,184,1341]" captionTargetId="figure-16@8.[151,1436,181,1341]" captionTargetPageId="8" captionText="FIGURE 7. Ventral structures of Rhoenanthus hunanensis. A. Anterior part of male imago (ventral view, arrow indicating the marginal ridges of prosternum); B. Posterior part of female imago (ventral view)." figureDoi="http://doi.org/10.5281/zenodo.4434905" httpUri="https://zenodo.org/record/4434905/files/figure.png" pageId="4" pageNumber="567">Fig. 7A</figureCitation>
); median depression of mesothoracic furcasternum parallel (
<figureCitation id="1336D593FF88FF96845CEDED5F1EF968" box="[789,882,1724,1750]" captionStart="FIGURE 7" captionStartId="8.[151,250,1365,1389]" captionTargetBox="[151,1409,184,1341]" captionTargetId="figure-16@8.[151,1436,181,1341]" captionTargetPageId="8" captionText="FIGURE 7. Ventral structures of Rhoenanthus hunanensis. A. Anterior part of male imago (ventral view, arrow indicating the marginal ridges of prosternum); B. Posterior part of female imago (ventral view)." figureDoi="http://doi.org/10.5281/zenodo.4434905" httpUri="https://zenodo.org/record/4434905/files/figure.png" pageId="4" pageNumber="567">Fig. 7A</figureCitation>
). Forewings transparent, with purplish pigments on basal, costal and medial areas, MA forked near middle of wing (
<figureCitation id="1336D593FF88FF9684D3EDB15F99F945" box="[922,1013,1760,1787]" captionStart="FIGURE 6" captionStartId="7.[151,250,1023,1047]" captionTargetBox="[156,1432,187,1000]" captionTargetId="figure-17@7.[154,1433,181,1000]" captionTargetPageId="7" captionText="FIGURE 6. Male structures of Rhoenanthus spp. (digital photos). AD. Rhoenanthus hunanensis; EF. Rhoenanthus youi: A. Forewing; B. Hindwing; C, F. Genitalia (dorsal view); DE. Enlarged penes (ventral view)." figureDoi="http://doi.org/10.5281/zenodo.4434901" httpUri="https://zenodo.org/record/4434901/files/figure.png" pageId="4" pageNumber="567">Fig. 6A</figureCitation>
). Apical half of hindwing purplish to reddish brown, costal projections acute; MP
<subScript id="1789CB53FF88FF9685DBEC465EF6F89B" attach="left" box="[658,666,1815,1829]" fontSize="6" pageId="4" pageNumber="567">2</subScript>
connected to MP
<subScript id="1789CB53FF88FF968421EC465F1CF89B" attach="left" box="[872,880,1815,1829]" fontSize="6" pageId="4" pageNumber="567">1</subScript>
near half length (
<figureCitation id="1336D593FF88FF968374EC5558F4F8A1" box="[1085,1176,1796,1823]" captionStart="FIGURE 6" captionStartId="7.[151,250,1023,1047]" captionTargetBox="[156,1432,187,1000]" captionTargetId="figure-17@7.[154,1433,181,1000]" captionTargetPageId="7" captionText="FIGURE 6. Male structures of Rhoenanthus spp. (digital photos). AD. Rhoenanthus hunanensis; EF. Rhoenanthus youi: A. Forewing; B. Hindwing; C, F. Genitalia (dorsal view); DE. Enlarged penes (ventral view)." figureDoi="http://doi.org/10.5281/zenodo.4434901" httpUri="https://zenodo.org/record/4434901/files/figure.png" pageId="4" pageNumber="567">Fig. 6B</figureCitation>
). Forelegs: purplish to brown, except tarsal segments IIIV and basal half of segment V; length ratio of femora: tibiae: tarsi=1.3: 1.7: 0.9; tarsal segment lengths in decreasing order=2, 5, 3, 4, 1. Midlegs: pale to yellowish, length ratio of femora: tibiae: tarsi=1.4: 1.5: 0.8; length of tarsal segments in decreasing order=4, 1, 2, 3. Hindlegs: length ratio of femora: tibiae: tarsi=1.6: 1.5: 0.3, other structures similar to midlegs. All legs with 2 claws, one sharp and one blunt.
</paragraph>
<paragraph id="8BB2C916FF88FF97878EECE95D53FEFF" blockId="4.[151,1437,1292,2039]" lastBlockId="5.[151,1436,150,321]" lastPageId="5" lastPageNumber="568" pageId="4" pageNumber="567">
<emphasis id="B9791504FF88FF96878EECE95D56F86C" box="[199,314,1976,2002]" italics="true" pageId="4" pageNumber="567">Abdomen:</emphasis>
overall purple to brown, each tergum with U-shaped dark brown stripes on dorsal surface, those stripes on terga IIVIII more pronounced; terga IIX with pale longitudinal stripe medially and additional 2 pairs of pale droplet stripes submedially. Genitalia: forceps 3-segmented, length of basal segment 4.5x length of two terminal segments combined; penes brownish, Y-shaped (0.7x length of forceps), furcated beyond 1/3 of the subgenital plate; apex of penis tapered, genital pore in ventral position (
<figureCitation id="1336D593FF89FF978400EB8E5FE1FF44" box="[841,909,223,250]" captionStart="FIGURE 6" captionStartId="7.[151,250,1023,1047]" captionTargetBox="[156,1432,187,1000]" captionTargetId="figure-17@7.[154,1433,181,1000]" captionTargetPageId="7" captionText="FIGURE 6. Male structures of Rhoenanthus spp. (digital photos). AD. Rhoenanthus hunanensis; EF. Rhoenanthus youi: A. Forewing; B. Hindwing; C, F. Genitalia (dorsal view); DE. Enlarged penes (ventral view)." figureDoi="http://doi.org/10.5281/zenodo.4434901" httpUri="https://zenodo.org/record/4434901/files/figure.png" pageId="5" pageNumber="568">Fig. 6</figureCitation>
CD). Caudal filaments with purplish base but others segments pale, surface with tiny setae; every five segments with purplish ring; terminal filament 1/41/3x cerci in length.
</paragraph>
<caption id="DF72999EFF89FF9787DEEE775EEFFA14" ID-DOI="http://doi.org/10.5281/zenodo.4434893" ID-Zenodo-Dep="4434893" httpUri="https://zenodo.org/record/4434893/files/figure.png" pageId="5" pageNumber="568" startId="5.[151,250,1318,1342]" targetBox="[164,1423,348,1295]" targetPageId="5">
<paragraph id="8BB2C916FF89FF9787DEEE775EEFFA14" blockId="5.[151,1436,1318,1450]" pageId="5" pageNumber="568">
<emphasis id="B9791504FF89FF9787DEEE775D60FA80" bold="true" box="[151,268,1318,1342]" pageId="5" pageNumber="568">FIGURE 4</emphasis>
. Structures of
<taxonomicName id="4C0DB295FF89FF9786D7EE775EF6FA80" authorityName=": Kluge" authorityYear="2004" box="[414,666,1318,1342]" class="Insecta" family="Potamanthidae" genus="Rhoenanthus" kingdom="Animalia" order="Ephemeroptera" pageId="5" pageNumber="568" phylum="Arthropoda" rank="species" species="hunanensis">
<emphasis id="B9791504FF89FF9786D7EE775EF6FA80" box="[414,666,1318,1342]" italics="true" pageId="5" pageNumber="568">Rhoenanthus hunanensis</emphasis>
</taxonomicName>
nymph (digital photos). A. Foreleg (dorsal view); B. Midclaw (dorsal view); C. Gill VII (dorsal view); D. Midleg (dorsal view); E. Hindleg (dorsal view); F. Gill I (dorsal view); G. Midtibia (ventral view, showing setae on surface); H. Distal part of hindleg (ventral view, arrow indicating the tuft of setae); I. Pronotum (dorsal view, arrow indicating the acute point of dorsal ridge).
</paragraph>
</caption>
<paragraph id="8BB2C916FF89FF97878EEE885D4EF9E0" blockId="5.[151,1437,1496,2027]" pageId="5" pageNumber="568">
<emphasis id="B9791504FF89FF97878EEE885DECFA4C" bold="true" box="[199,384,1496,1523]" pageId="5" pageNumber="568">Male subimago</emphasis>
(in alcohol): Body length
<quantity id="4CF564F3FF89FF9785FFEE885F72FA4D" box="[694,798,1497,1523]" metricMagnitude="-2" metricUnit="m" metricValue="1.8199999999999998" pageId="5" pageNumber="568" unit="mm" value="18.2">18.2 mm</quantity>
, forewing 14.0 mm, hindwing 4.0 mm; cerci 19.0 mm, median terminal filament 6.0 mm; General color purplish to brown; foretibiae slightly longer than forefemora, foretarsi 0.7x foretibiae length, tarsal segment lengths in decreasing order=2, 5, 3, 4, 1; other characters similar to male imago.
</paragraph>
<paragraph id="8BB2C916FF89FF97878EED385FFCF918" blockId="5.[151,1437,1496,2027]" pageId="5" pageNumber="568">
<emphasis id="B9791504FF89FF97878EED385D02F93C" bold="true" box="[199,366,1640,1667]" pageId="5" pageNumber="568">Female imago</emphasis>
: Body length 29.0 mm, antenna
<quantity id="4CF564F3FF89FF978597ED385F5AF93D" box="[734,822,1641,1667]" metricMagnitude="-3" metricUnit="m" metricValue="2.3" pageId="5" pageNumber="568" unit="mm" value="2.3">2.3 mm</quantity>
, forewing 26.0 mm, hindwing 4.0 mm; cerci 34.0 mm, median terminal filament 17.0 mm. General color reddish to brown.
</paragraph>
<paragraph id="8BB2C916FF89FF97878EEDE15EA5F8C0" blockId="5.[151,1437,1496,2027]" pageId="5" pageNumber="568">
Generally similar to male but with slightly paler color, especially wings and abdomen. Tibiae of forelegs slightly longer than femora, tarsi 0.4x of tibiae in length, tarsal segments lengths in decreasing order=2, 5, 3, 4, 1; Midlegs: pale, tibiae slightly longer than femora, length of tarsi 0.4x length of tibiae; length of tarsal segments in decreasing order as 4, 1, 2, 3; Hindlegs similar to midlegs. Subgenital plate (posterior sternum VII) semi-lunar lobe, posterior margin of sternum VIII thickened into a triangular lobe (
<figureCitation id="1336D593FF89FF978445EC115F0FF8E5" box="[780,867,1856,1883]" captionStart="FIGURE 7" captionStartId="8.[151,250,1365,1389]" captionTargetBox="[151,1409,184,1341]" captionTargetId="figure-16@8.[151,1436,181,1341]" captionTargetPageId="8" captionText="FIGURE 7. Ventral structures of Rhoenanthus hunanensis. A. Anterior part of male imago (ventral view, arrow indicating the marginal ridges of prosternum); B. Posterior part of female imago (ventral view)." figureDoi="http://doi.org/10.5281/zenodo.4434905" httpUri="https://zenodo.org/record/4434905/files/figure.png" pageId="5" pageNumber="568">Fig. 7B</figureCitation>
); subanal plate with a shallow median notch posteriorly (
<figureCitation id="1336D593FF89FF9787ACEC355D51F8C1" box="[229,317,1892,1919]" captionStart="FIGURE 7" captionStartId="8.[151,250,1365,1389]" captionTargetBox="[151,1409,184,1341]" captionTargetId="figure-16@8.[151,1436,181,1341]" captionTargetPageId="8" captionText="FIGURE 7. Ventral structures of Rhoenanthus hunanensis. A. Anterior part of male imago (ventral view, arrow indicating the marginal ridges of prosternum); B. Posterior part of female imago (ventral view)." figureDoi="http://doi.org/10.5281/zenodo.4434905" httpUri="https://zenodo.org/record/4434905/files/figure.png" pageId="5" pageNumber="568">Fig. 7B</figureCitation>
). Terminal filament 1/31/2x cerci.
</paragraph>
<paragraph id="8BB2C916FF89FF97878EECD85DB5F855" blockId="5.[151,1437,1496,2027]" pageId="5" pageNumber="568">
<emphasis id="B9791504FF89FF97878EECD85C9AF81D" bold="true" box="[199,246,1929,1955]" pageId="5" pageNumber="568">Egg</emphasis>
(
<figureCitation id="1336D593FF89FF978641ECD95D23F81D" box="[264,335,1928,1955]" captionStart="FIGURE 8" captionStartId="8.[151,250,1955,1979]" captionTargetBox="[151,1436,1449,1931]" captionTargetId="figure-54@8.[151,1436,1449,1931]" captionTargetPageId="8" captionText="FIGURE 8. Egg of Rhoenanthus hunanensis: A. Whole picture; B. KCT and micropyle enlarged." figureDoi="http://doi.org/10.5281/zenodo.4434909" httpUri="https://zenodo.org/record/4434909/files/figure.png" pageId="5" pageNumber="568">Fig. 8</figureCitation>
). Egg oblong with two polar caps, length ca 182 μm (including polar cap), width at equator ca 88μm, and chorionic surface with tiny tubercles, a round micropyle at equator and additional 6 round knob-terminated coiled threads (KCTs).
</paragraph>
</subSubSection>
<caption id="DF72999EFF8AFF9487DEEC545F37F8A3" ID-DOI="http://doi.org/10.5281/zenodo.4434897" ID-Zenodo-Dep="4434897" box="[151,859,1797,1821]" httpUri="https://zenodo.org/record/4434897/files/figure.png" pageId="6" pageNumber="569" startId="6.[151,250,1797,1821]" targetBox="[254,1335,181,1773]" targetPageId="6">
<paragraph id="8BB2C916FF8AFF9487DEEC545F37F8A3" blockId="6.[151,859,1797,1821]" box="[151,859,1797,1821]" pageId="6" pageNumber="569">
<emphasis id="B9791504FF8AFF9487DEEC545D61F8A3" bold="true" box="[151,269,1797,1821]" pageId="6" pageNumber="569">FIGURE 5</emphasis>
. Male imago of
<taxonomicName id="4C0DB295FF8AFF9486FCEC545EDDF8A3" authorityName=": Kluge" authorityYear="2004" box="[437,689,1797,1821]" class="Insecta" family="Potamanthidae" genus="Rhoenanthus" kingdom="Animalia" order="Ephemeroptera" pageId="6" pageNumber="569" phylum="Arthropoda" rank="species" species="hunanensis">
<emphasis id="B9791504FF8AFF9486FCEC545EDDF8A3" box="[437,689,1797,1821]" italics="true" pageId="6" pageNumber="569">Rhoenanthus hunanensis</emphasis>
</taxonomicName>
(digital photos).
</paragraph>
</caption>
<subSubSection id="C3179A9DFF8AFF94878EEC1A5856F86F" pageId="6" pageNumber="569" type="materials_examined">
<paragraph id="8BB2C916FF8AFF94878EEC1A5856F86F" blockId="6.[151,1436,1867,2002]" pageId="6" pageNumber="569">
<emphasis id="B9791504FF8AFF94878EEC1A5DD1F8DB" bold="true" box="[199,445,1867,1893]" pageId="6" pageNumber="569">Materials examined:</emphasis>
<materialsCitation id="3B65C34BFF8AFF94868BEC1A5F4CF837" ID-GBIF-Occurrence="3014879322" collectingDate="1986-06" collectingDateMax="2000-05-10" collectingDateMin="1985-07" collectionCode="ZHANG, SHE, DU" collectorName="Jun ZHANG &amp; Shusheng SHE" country="China" county="Tongdao County" location="Tongdao County" pageId="6" pageNumber="569" specimenCount="22" specimenCount-female="16" specimenCount-male="5" stateProvince="Hunan Province" typeStatus="holotype">
<typeStatus id="54B677B4FF8AFF94868BEC1A5E46F8DB" box="[450,554,1867,1893]" pageId="6" pageNumber="569" type="holotype">Holotype</typeStatus>
<specimenCount id="9D0B029FFF8AFF948579EC1C5E2EF8D6" box="[560,578,1869,1896]" pageId="6" pageNumber="569" type="male"></specimenCount>
,
<typeStatus id="54B677B4FF8AFF94851BEC1D5ED1F8D8" box="[594,701,1868,1894]" pageId="6" pageNumber="569" type="paratype">paratypes</typeStatus>
<specimenCount id="9D0B029FFF8AFF94858AEC1C5E9DF8D6" box="[707,753,1869,1896]" pageId="6" pageNumber="569" type="male">2♂♂</specimenCount>
<specimenCount id="9D0B029FFF8AFF9485BBEC1C5F2EF8D6" box="[754,834,1869,1896]" pageId="6" pageNumber="569" type="female">16♀♀</specimenCount>
,
<specimenCount id="9D0B029FFF8AFF948407EC1C5FEBF8D6" box="[846,903,1869,1896]" pageId="6" pageNumber="569" type="male">3♂♂</specimenCount>
subimagoes, 8L,
<collectingCounty id="62D3B19AFF8AFF948300EC1A5968F8DB" box="[1097,1284,1867,1893]" pageId="6" pageNumber="569">Tongdao County</collectingCounty>
,
<collectingRegion id="49C907F4FF8AFF948247EC1D5CA4F837" country="China" name="Hunan" pageId="6" pageNumber="569">Hunan Province</collectingRegion>
, collected by
<collectorName id="26F8ACC0FF8AFF94862DEC215D9BF837" box="[356,503,1903,1930]" pageId="6" pageNumber="569">Jun ZHANG</collectorName>
,
<collectorName id="26F8ACC0FF8AFF94854BEC3E5EC3F837" box="[514,687,1903,1929]" pageId="6" pageNumber="569">Shusheng SHE</collectorName>
,
<date id="FFB3EFD6FF8AFF9485F0EC3E5F70F837" box="[697,796,1903,1929]" pageId="6" pageNumber="569" value="1986-06">
<collectingDate id="EFF7163EFF8AFF9485F0EC3E5F70F837" box="[697,796,1903,1929]" pageId="6" pageNumber="569" value="1986-06">VI-1986</collectingDate>
</date>
;
</materialsCitation>
<materialsCitation id="3B65C34BFF8AFF94846EEC3E5E9AF810" ID-GBIF-Occurrence="3014879304" collectingDate="1985-07" collectingDateMax="2000-05-10" collectingDateMin="1985-07" collectionCode="ZHANG, SHE, DU" collectorName="Jun ZHANG &amp; Shusheng SHE" country="China" county="Tongdao County" location="Dahe Port" municipality="Hongjiang City" pageId="6" pageNumber="569" specimenCount="1" specimenCount-female="16" stateProvince="Hunan Province" typeStatus="holotype">
5L,
<location id="8ED29FCDFF8AFF94841CEC3E5FA5F834" LSID="urn:lsid:plazi:treatment:03A47800FF8EFF9587DEEF775D22F8C6:8ED29FCDFF8AFF94841CEC3E5FA5F834" box="[853,969,1903,1930]" country="China" county="Tongdao County" municipality="Hongjiang City" name="Dahe Port" pageId="6" pageNumber="569" stateProvince="Hunan Province">Dahe Port</location>
,
<collectingMunicipality id="6BD6536CFF8AFF94849DEC3E58EFF837" box="[980,1155,1903,1929]" pageId="6" pageNumber="569">Hongjiang City</collectingMunicipality>
,
<collectingRegion id="49C907F4FF8AFF9483C6EC21592BF837" box="[1167,1351,1903,1930]" country="China" name="Hunan" pageId="6" pageNumber="569">Hunan Province</collectingRegion>
,
<collectingCountry id="F31A8986FF8AFF94821BEC3E59F4F837" box="[1362,1432,1903,1929]" name="China" pageId="6" pageNumber="569">China</collectingCountry>
, collected by
<collectorName id="26F8ACC0FF8AFF948663ECC55DD3F813" box="[298,447,1939,1966]" pageId="6" pageNumber="569">Jun ZHANG</collectorName>
,
<collectorName id="26F8ACC0FF8AFF948685ECC25E16F813" box="[460,634,1939,1965]" pageId="6" pageNumber="569">Shusheng SHE</collectorName>
,
<date id="FFB3EFD6FF8AFF9485CFECC25E9EF810" box="[646,754,1939,1966]" pageId="6" pageNumber="569" value="1985-07">
<collectingDate id="EFF7163EFF8AFF9485CFECC25E9EF810" box="[646,754,1939,1966]" pageId="6" pageNumber="569" value="1985-07">VII-1985</collectingDate>
</date>
;
</materialsCitation>
<materialsCitation id="3B65C34BFF8AFF9485B6ECC45856F86F" ID-GBIF-Occurrence="3014879316" collectingDate="2000-05-10" collectingDateMax="2000-05-10" collectingDateMin="1985-07" collectionCode="ZHANG, SHE, DU" collectorName="Yanli DU &amp; Huaijun XUE" country="China" county="Tongdao County" location="Chishui Alsophila National Nature Reserve" municipality="Chishui City" pageId="6" pageNumber="569" specimenCount="1" specimenCount-female="16" specimenCount-male="1" stateProvince="Guizhou Province" typeStatus="holotype">
<specimenCount id="9D0B029FFF8AFF9485B6ECC45F4EF80E" box="[767,802,1941,1968]" pageId="6" pageNumber="569" type="male">1♂</specimenCount>
subimago,
<location id="8ED29FCDFF8AFF9484E1ECC259F4F810" LSID="urn:lsid:plazi:treatment:03A47800FF8EFF9587DEEF775D22F8C6:8ED29FCDFF8AFF9484E1ECC259F4F810" box="[936,1432,1939,1966]" country="China" county="Tongdao County" municipality="Chishui City" name="Chishui Alsophila National Nature Reserve" pageId="6" pageNumber="569" stateProvince="Guizhou Province">Chishui Alsophila National Nature Reserve</location>
,
<collectingMunicipality id="6BD6536CFF8AFF9487DEECE65D4AF86F" box="[151,294,1975,2001]" pageId="6" pageNumber="569">Chishui City</collectingMunicipality>
,
<collectingRegion id="49C907F4FF8AFF94867BECE65D93F86F" box="[306,511,1975,2001]" country="China" name="Guizhou" pageId="6" pageNumber="569">Guizhou Province</collectingRegion>
, collected by
<collectorName id="26F8ACC0FF8AFF9485D0ECE65F6AF86C" box="[665,774,1975,2002]" pageId="6" pageNumber="569">Yanli DU</collectorName>
,
<collectorName id="26F8ACC0FF8AFF94845BECE65FC3F86C" box="[786,943,1975,2002]" pageId="6" pageNumber="569">Huaijun XUE</collectorName>
,
<date id="FFB3EFD6FF8AFF9484F3ECE6585AF86F" box="[954,1078,1975,2001]" pageId="6" pageNumber="569" value="2000-05-10">
<collectingDate id="EFF7163EFF8AFF9484F3ECE6585AF86F" box="[954,1078,1975,2001]" pageId="6" pageNumber="569" value="2000-05-10">10-V-2000</collectingDate>
</date>
.
</materialsCitation>
</paragraph>
</subSubSection>
<caption id="DF72999EFF8BFF9587DEE8AE585AFB82" ID-DOI="http://doi.org/10.5281/zenodo.4434901" ID-Zenodo-Dep="4434901" httpUri="https://zenodo.org/record/4434901/files/figure.png" pageId="7" pageNumber="570" startId="7.[151,250,1023,1047]" targetBox="[156,1432,187,1000]" targetPageId="7">
<paragraph id="8BB2C916FF8BFF9587DEE8AE585AFB82" blockId="7.[151,1437,1023,1084]" pageId="7" pageNumber="570">
<emphasis id="B9791504FF8BFF9587DEE8AE5D62FBA9" bold="true" box="[151,270,1023,1047]" pageId="7" pageNumber="570">FIGURE 6</emphasis>
. Male structures of
<taxonomicName id="4C0DB295FF8BFF958695EF515EE6FBA9" box="[476,650,1024,1048]" class="Insecta" family="Potamanthidae" genus="Rhoenanthus" kingdom="Animalia" order="Ephemeroptera" pageId="7" pageNumber="570" phylum="Arthropoda" rank="species" species="spp">
<emphasis id="B9791504FF8BFF958695EF515EE6FBA9" box="[476,650,1024,1048]" italics="true" pageId="7" pageNumber="570">Rhoenanthus spp</emphasis>
</taxonomicName>
. (digital photos). AD.
<taxonomicName id="4C0DB295FF8BFF958436EF515810FBA6" authorityName=": Kluge" authorityYear="2004" box="[895,1148,1024,1048]" class="Insecta" family="Potamanthidae" genus="Rhoenanthus" kingdom="Animalia" order="Ephemeroptera" pageId="7" pageNumber="570" phylum="Arthropoda" rank="species" species="hunanensis">
<emphasis id="B9791504FF8BFF958436EF515810FBA6" box="[895,1148,1024,1048]" italics="true" pageId="7" pageNumber="570">Rhoenanthus hunanensis</emphasis>
</taxonomicName>
; EF.
<taxonomicName id="4C0DB295FF8BFF958389EF51591BFBA9" baseAuthorityName="Wu &amp; You" baseAuthorityYear="1986" box="[1216,1399,1024,1048]" class="Insecta" family="Potamanthidae" genus="Rhoenanthus" kingdom="Animalia" order="Ephemeroptera" pageId="7" pageNumber="570" phylum="Arthropoda" rank="species" species="youi">
<emphasis id="B9791504FF8BFF958389EF51591BFBA9" box="[1216,1399,1024,1048]" italics="true" pageId="7" pageNumber="570">Rhoenanthus youi</emphasis>
</taxonomicName>
: A. Forewing; B. Hindwing; C, F. Genitalia (dorsal view); DE. Enlarged penes (ventral view).
</paragraph>
</caption>
<subSubSection id="C3179A9DFF8BFF95878EEF3B5D22F8C6" pageId="7" pageNumber="570" type="diagnosis">
<paragraph id="8BB2C916FF8BFF95878EEF3B5D69FA1A" blockId="7.[151,1437,1130,1912]" pageId="7" pageNumber="570">
<emphasis id="B9791504FF8BFF95878EEF3B5D28FB3A" bold="true" box="[199,324,1130,1156]" pageId="7" pageNumber="570">Diagnosis:</emphasis>
This species can be distinguished from others in the same genus by the following features: in nymphs: 1) shape of mandibular tusks: relatively longer, straighter and slender; apical 2/3 brown, without setae, basal 1/3 triangular, pale, with spines and setae (
<figureCitation id="1336D593FF8BFF9585F4EFE35F69FB72" box="[701,773,1202,1228]" captionStart="FIGURE 2" captionStartId="3.[151,250,1430,1454]" captionTargetBox="[151,1436,273,1407]" captionTargetId="figure-71@3.[151,1436,273,1407]" captionTargetPageId="3" captionText="FIGURE 2. Nymphal characters of Rhoenanthus hunanensis (digital photos).A. Habitus in dorsal view; B. Head and pronotum of another more mature nymph (dorsal view, showing mandibular tusks); C. Enlarged section of the antenna." figureDoi="http://doi.org/10.5281/zenodo.4434885" httpUri="https://zenodo.org/record/4434885/files/figure.png" pageId="7" pageNumber="570">Figs 2</figureCitation>
AB, 3DE); 2) relatively longer foretibiae (clearly longer than forefemora,
<figureCitation id="1336D593FF8BFF958610EF875DD9FB4E" box="[345,437,1238,1264]" captionStart="FIGURE 2" captionStartId="3.[151,250,1430,1454]" captionTargetBox="[151,1436,273,1407]" captionTargetId="figure-71@3.[151,1436,273,1407]" captionTargetPageId="3" captionText="FIGURE 2. Nymphal characters of Rhoenanthus hunanensis (digital photos).A. Habitus in dorsal view; B. Head and pronotum of another more mature nymph (dorsal view, showing mandibular tusks); C. Enlarged section of the antenna." figureDoi="http://doi.org/10.5281/zenodo.4434885" httpUri="https://zenodo.org/record/4434885/files/figure.png" pageId="7" pageNumber="570">Figs 2A</figureCitation>
,
<figureCitation id="1336D593FF8BFF958688EF875D84FB4E" box="[449,488,1238,1264]" captionStart="FIGURE 4" captionStartId="5.[151,250,1318,1342]" captionTargetBox="[164,1423,348,1295]" captionTargetId="figure-87@5.[164,1423,345,1295]" captionTargetPageId="5" captionText="FIGURE 4. Structures of Rhoenanthus hunanensis nymph (digital photos). A. Foreleg (dorsal view); B. Midclaw (dorsal view); C. Gill VII (dorsal view); D. Midleg (dorsal view); E. Hindleg (dorsal view); F. Gill I (dorsal view); G. Midtibia (ventral view, showing setae on surface); H. Distal part of hindleg (ventral view, arrow indicating the tuft of setae); I. Pronotum (dorsal view, arrow indicating the acute point of dorsal ridge)." figureDoi="http://doi.org/10.5281/zenodo.4434893" httpUri="https://zenodo.org/record/4434893/files/figure.png" pageId="7" pageNumber="570">4A</figureCitation>
); 3) all surface of midtibiae with hair-like setae (
<figureCitation id="1336D593FF8BFF958342EF875805FB4E" box="[1035,1129,1238,1264]" captionStart="FIGURE 2" captionStartId="3.[151,250,1430,1454]" captionTargetBox="[151,1436,273,1407]" captionTargetId="figure-71@3.[151,1436,273,1407]" captionTargetPageId="3" captionText="FIGURE 2. Nymphal characters of Rhoenanthus hunanensis (digital photos).A. Habitus in dorsal view; B. Head and pronotum of another more mature nymph (dorsal view, showing mandibular tusks); C. Enlarged section of the antenna." figureDoi="http://doi.org/10.5281/zenodo.4434885" httpUri="https://zenodo.org/record/4434885/files/figure.png" pageId="7" pageNumber="570">Figs 2A</figureCitation>
,
<figureCitation id="1336D593FF8BFF95833CEF8758A0FB4E" box="[1141,1228,1238,1264]" captionStart="FIGURE 4" captionStartId="5.[151,250,1318,1342]" captionTargetBox="[164,1423,348,1295]" captionTargetId="figure-87@5.[164,1423,345,1295]" captionTargetPageId="5" captionText="FIGURE 4. Structures of Rhoenanthus hunanensis nymph (digital photos). A. Foreleg (dorsal view); B. Midclaw (dorsal view); C. Gill VII (dorsal view); D. Midleg (dorsal view); E. Hindleg (dorsal view); F. Gill I (dorsal view); G. Midtibia (ventral view, showing setae on surface); H. Distal part of hindleg (ventral view, arrow indicating the tuft of setae); I. Pronotum (dorsal view, arrow indicating the acute point of dorsal ridge)." figureDoi="http://doi.org/10.5281/zenodo.4434893" httpUri="https://zenodo.org/record/4434893/files/figure.png" pageId="7" pageNumber="570">4D, 4G</figureCitation>
); in adults: 1) segments IIIV and half base of segment V of foretarsi yellow to white (
<figureCitation id="1336D593FF8BFF9584DAEFAB5FBBFAAB" box="[915,983,1274,1301]" captionStart="FIGURE 5" captionStartId="6.[151,250,1797,1821]" captionTargetBox="[254,1335,181,1773]" captionTargetId="figure-16@6.[252,1335,181,1773]" captionTargetPageId="6" captionText="FIGURE 5. Male imago of Rhoenanthus hunanensis (digital photos)." figureDoi="http://doi.org/10.5281/zenodo.4434897" httpUri="https://zenodo.org/record/4434897/files/figure.png" pageId="7" pageNumber="570">Fig. 5</figureCitation>
); 2) forewing and hindwing with numerous conspicuous large reddish to brown markings or dots (
<figureCitation id="1336D593FF8BFF95846CEE4F5F0BFA87" box="[805,871,1310,1337]" captionStart="FIGURE 6" captionStartId="7.[151,250,1023,1047]" captionTargetBox="[156,1432,187,1000]" captionTargetId="figure-17@7.[154,1433,181,1000]" captionTargetPageId="7" captionText="FIGURE 6. Male structures of Rhoenanthus spp. (digital photos). AD. Rhoenanthus hunanensis; EF. Rhoenanthus youi: A. Forewing; B. Hindwing; C, F. Genitalia (dorsal view); DE. Enlarged penes (ventral view)." figureDoi="http://doi.org/10.5281/zenodo.4434901" httpUri="https://zenodo.org/record/4434901/files/figure.png" pageId="7" pageNumber="570">Fig. 6</figureCitation>
AB); 3) for male, penis lobes slightly longer than half basal segment of forceps, and genital pore on ventral side of penis (
<figureCitation id="1336D593FF8BFF9584F4EE135F93FAE3" box="[957,1023,1346,1373]" captionStart="FIGURE 6" captionStartId="7.[151,250,1023,1047]" captionTargetBox="[156,1432,187,1000]" captionTargetId="figure-17@7.[154,1433,181,1000]" captionTargetPageId="7" captionText="FIGURE 6. Male structures of Rhoenanthus spp. (digital photos). AD. Rhoenanthus hunanensis; EF. Rhoenanthus youi: A. Forewing; B. Hindwing; C, F. Genitalia (dorsal view); DE. Enlarged penes (ventral view)." figureDoi="http://doi.org/10.5281/zenodo.4434901" httpUri="https://zenodo.org/record/4434901/files/figure.png" pageId="7" pageNumber="570">Fig. 6</figureCitation>
CD); 4) for female, subgenital plate pale, slightly round on posterior margin (
<figureCitation id="1336D593FF8BFF95852EEE375ED3FA3E" box="[615,703,1382,1408]" captionStart="FIGURE 7" captionStartId="8.[151,250,1365,1389]" captionTargetBox="[151,1409,184,1341]" captionTargetId="figure-16@8.[151,1436,181,1341]" captionTargetPageId="8" captionText="FIGURE 7. Ventral structures of Rhoenanthus hunanensis. A. Anterior part of male imago (ventral view, arrow indicating the marginal ridges of prosternum); B. Posterior part of female imago (ventral view)." figureDoi="http://doi.org/10.5281/zenodo.4434905" httpUri="https://zenodo.org/record/4434905/files/figure.png" pageId="7" pageNumber="570">Fig. 7B</figureCitation>
); 5) subanal plate shallowly notched on median posterior margin (
<figureCitation id="1336D593FF8BFF9587E9EEDB5C94FA1A" box="[160,248,1418,1444]" captionStart="FIGURE 7" captionStartId="8.[151,250,1365,1389]" captionTargetBox="[151,1409,184,1341]" captionTargetId="figure-16@8.[151,1436,181,1341]" captionTargetPageId="8" captionText="FIGURE 7. Ventral structures of Rhoenanthus hunanensis. A. Anterior part of male imago (ventral view, arrow indicating the marginal ridges of prosternum); B. Posterior part of female imago (ventral view)." figureDoi="http://doi.org/10.5281/zenodo.4434905" httpUri="https://zenodo.org/record/4434905/files/figure.png" pageId="7" pageNumber="570">Fig. 7B</figureCitation>
).
</paragraph>
<paragraph id="8BB2C916FF8BFF95878EEEFF5DD3F9E6" blockId="7.[151,1437,1130,1912]" pageId="7" pageNumber="570">
The nymph of this species is somewhat similar to those of
<taxonomicName id="4C0DB295FF8BFF958433EEFE587BFA76" authorityName="Ulmer" authorityYear="1920" box="[890,1047,1454,1480]" class="Insecta" family="Potamanthidae" genus="Rhoenanthus" kingdom="Animalia" order="Ephemeroptera" pageId="7" pageNumber="570" phylum="Arthropoda" rank="species" species="magnificus">
<emphasis id="B9791504FF8BFF958433EEFE587BFA76" box="[890,1047,1454,1480]" italics="true" pageId="7" pageNumber="570">R. magnificus</emphasis>
</taxonomicName>
and
<taxonomicName id="4C0DB295FF8BFF95831DEEFE58B7FA76" authorityName="Navas" authorityYear="1922" box="[1108,1243,1454,1480]" class="Insecta" family="Potamanthidae" genus="Rhoenanthus" kingdom="Animalia" order="Ephemeroptera" pageId="7" pageNumber="570" phylum="Arthropoda" rank="species" species="obscurus">
<emphasis id="B9791504FF8BFF95831DEEFE58B7FA76" box="[1108,1243,1454,1480]" italics="true" pageId="7" pageNumber="570">R. obscurus</emphasis>
</taxonomicName>
because of their smooth apical mandibular tusks (setae and spines on base only,
<figureCitation id="1336D593FF8BFF95841FEE835FF6FA52" box="[854,922,1490,1516]" captionStart="FIGURE 2" captionStartId="3.[151,250,1430,1454]" captionTargetBox="[151,1436,273,1407]" captionTargetId="figure-71@3.[151,1436,273,1407]" captionTargetPageId="3" captionText="FIGURE 2. Nymphal characters of Rhoenanthus hunanensis (digital photos).A. Habitus in dorsal view; B. Head and pronotum of another more mature nymph (dorsal view, showing mandibular tusks); C. Enlarged section of the antenna." figureDoi="http://doi.org/10.5281/zenodo.4434885" httpUri="https://zenodo.org/record/4434885/files/figure.png" pageId="7" pageNumber="570">Figs 2</figureCitation>
AB, 3DE). But the latter two have distinctly broader inward tusks (
<figureCitation id="1336D593FF8BFF9586DAEEA75D91F9AE" box="[403,509,1526,1552]" captionStart="FIGURE 10" captionStartId="11.[151,250,1711,1735]" captionTargetBox="[151,1436,525,1688]" captionTargetId="figure-161@11.[151,1436,525,1688]" captionTargetPageId="11" captionText="FIGURE 10. Selected structures of Rhoenanthus spp. (digital photos). AC. R. sapa; DF. R. youi; GI. R. obscurus: A, D, G. Anterior part of body (showing the relatively length of mandibular tusks, forelegs and their setae); B, E, H. Maxilla (dorsal view); C, F, I. Labrum (ventral view)." figureDoi="http://doi.org/10.5281/zenodo.4434913" httpUri="https://zenodo.org/record/4434913/files/figure.png" pageId="7" pageNumber="570">Fig. 10G</figureCitation>
). The other three species (
<emphasis id="B9791504FF8BFF95846FEEA658F5F9AE" box="[806,1177,1526,1552]" italics="true" pageId="7" pageNumber="570">
<taxonomicName id="4C0DB295FF8BFF95846FEEA65F15F9AE" baseAuthorityName="Wu &amp; You" baseAuthorityYear="1986" box="[806,889,1527,1552]" class="Insecta" family="Potamanthidae" genus="Rhoenanthus" kingdom="Animalia" order="Ephemeroptera" pageId="7" pageNumber="570" phylum="Arthropoda" rank="species" species="youi">R. youi</taxonomicName>
,
<taxonomicName id="4C0DB295FF8BFF9584CCEEA65867F9AE" authorityName=": Bae &amp; McCafferty" authorityYear="1991" box="[901,1035,1527,1552]" class="Insecta" family="Potamanthidae" genus="Rhoenanthus" kingdom="Animalia" order="Ephemeroptera" pageId="7" pageNumber="570" phylum="Arthropoda" rank="species" species="coreanus">R. coreanus</taxonomicName>
and
<taxonomicName id="4C0DB295FF8BFF95830DEEA658F5F9AE" authorityName="Nguyen &amp; Bae" authorityYear="2004" box="[1092,1177,1527,1552]" class="Insecta" family="Potamanthidae" genus="Rhoenanthus" kingdom="Animalia" order="Ephemeroptera" pageId="7" pageNumber="570" phylum="Arthropoda" rank="species" species="sapa">R. sapa</taxonomicName>
</emphasis>
) have spines on whole tusks (see
<figureCitation id="1336D593FF8BFF958659ED4B5DD6F98A" box="[272,442,1562,1588]" captionStart="FIGURE 10" captionStartId="11.[151,250,1711,1735]" captionTargetBox="[151,1436,525,1688]" captionTargetId="figure-161@11.[151,1436,525,1688]" captionTargetPageId="11" captionText="FIGURE 10. Selected structures of Rhoenanthus spp. (digital photos). AC. R. sapa; DF. R. youi; GI. R. obscurus: A, D, G. Anterior part of body (showing the relatively length of mandibular tusks, forelegs and their setae); B, E, H. Maxilla (dorsal view); C, F, I. Labrum (ventral view)." figureDoi="http://doi.org/10.5281/zenodo.4434913" httpUri="https://zenodo.org/record/4434913/files/figure.png" pageId="7" pageNumber="570">Fig. 10A, 10D</figureCitation>
). The ventral surface of midtibiae of
<taxonomicName id="4C0DB295FF8BFF958421ED4A586BF98A" authorityName=": Kluge" authorityYear="2004" box="[872,1031,1562,1588]" class="Insecta" family="Potamanthidae" genus="Rhoenanthus" kingdom="Animalia" order="Ephemeroptera" pageId="7" pageNumber="570" phylum="Arthropoda" rank="species" species="hunanensis">
<emphasis id="B9791504FF8BFF958421ED4A586BF98A" box="[872,1031,1562,1588]" italics="true" pageId="7" pageNumber="570">R. hunanensis</emphasis>
</taxonomicName>
has hair-like setae which is unique among the known species.
</paragraph>
<paragraph id="8BB2C916FF8BFF95878EED335879F957" blockId="7.[151,1437,1130,1912]" pageId="7" pageNumber="570">
The male of
<taxonomicName id="4C0DB295FF8BFF958611ED325D9AF9C2" authorityName=": Kluge" authorityYear="2004" box="[344,502,1634,1660]" class="Insecta" family="Potamanthidae" genus="Rhoenanthus" kingdom="Animalia" order="Ephemeroptera" pageId="7" pageNumber="570" phylum="Arthropoda" rank="species" species="hunanensis">
<emphasis id="B9791504FF8BFF958611ED325D9AF9C2" box="[344,502,1634,1660]" italics="true" pageId="7" pageNumber="570">R. hunanensis</emphasis>
</taxonomicName>
is close to that of
<taxonomicName id="4C0DB295FF8BFF958581ED325F74F9C2" baseAuthorityName="Wu &amp; You" baseAuthorityYear="1986" box="[712,792,1635,1660]" class="Insecta" family="Potamanthidae" genus="Rhoenanthus" kingdom="Animalia" order="Ephemeroptera" pageId="7" pageNumber="570" phylum="Arthropoda" rank="species" species="youi">
<emphasis id="B9791504FF8BFF958581ED325F74F9C2" box="[712,792,1635,1660]" italics="true" pageId="7" pageNumber="570">R. youi</emphasis>
</taxonomicName>
because of penial shape and length, and color pattern on body and wings. However, the genital pores of this species open on the ventral surface of penes subapically (
<figureCitation id="1336D593FF8BFF958226EDD75CC8F97B" captionStart="FIGURE 6" captionStartId="7.[151,250,1023,1047]" captionTargetBox="[156,1432,187,1000]" captionTargetId="figure-17@7.[154,1433,181,1000]" captionTargetPageId="7" captionText="FIGURE 6. Male structures of Rhoenanthus spp. (digital photos). AD. Rhoenanthus hunanensis; EF. Rhoenanthus youi: A. Forewing; B. Hindwing; C, F. Genitalia (dorsal view); DE. Enlarged penes (ventral view)." figureDoi="http://doi.org/10.5281/zenodo.4434901" httpUri="https://zenodo.org/record/4434901/files/figure.png" pageId="7" pageNumber="570">Fig. 6</figureCitation>
CD) while in
<taxonomicName id="4C0DB295FF8BFF958606EDFA5DF3F97A" baseAuthorityName="Wu &amp; You" baseAuthorityYear="1986" box="[335,415,1707,1732]" class="Insecta" family="Potamanthidae" genus="Rhoenanthus" kingdom="Animalia" order="Ephemeroptera" pageId="7" pageNumber="570" phylum="Arthropoda" rank="species" species="youi">
<emphasis id="B9791504FF8BFF958606EDFA5DF3F97A" box="[335,415,1707,1732]" italics="true" pageId="7" pageNumber="570">R. youi</emphasis>
</taxonomicName>
, it opens apically. In addition, apex of
<taxonomicName id="4C0DB295FF8BFF958413EDFA5F94F97A" authorityName=": Kluge" authorityYear="2004" box="[858,1016,1706,1732]" class="Insecta" family="Potamanthidae" genus="Rhoenanthus" kingdom="Animalia" order="Ephemeroptera" pageId="7" pageNumber="570" phylum="Arthropoda" rank="species" species="hunanensis">
<emphasis id="B9791504FF8BFF958413EDFA5F94F97A" box="[858,1016,1706,1732]" italics="true" pageId="7" pageNumber="570">R. hunanensis</emphasis>
</taxonomicName>
penis is sharp. In contrast, the apical genital pore of
<taxonomicName id="4C0DB295FF8BFF958608ED9E5DFDF956" baseAuthorityName="Wu &amp; You" baseAuthorityYear="1986" box="[321,401,1743,1768]" class="Insecta" family="Potamanthidae" genus="Rhoenanthus" kingdom="Animalia" order="Ephemeroptera" pageId="7" pageNumber="570" phylum="Arthropoda" rank="species" species="youi">
<emphasis id="B9791504FF8BFF958608ED9E5DFDF956" box="[321,401,1743,1768]" italics="true" pageId="7" pageNumber="570">R. youi</emphasis>
</taxonomicName>
makes the apex of penis concaved or forked (
<figureCitation id="1336D593FF8BFF9584DAED9F5FBAF957" box="[915,982,1742,1769]" captionStart="FIGURE 6" captionStartId="7.[151,250,1023,1047]" captionTargetBox="[156,1432,187,1000]" captionTargetId="figure-17@7.[154,1433,181,1000]" captionTargetPageId="7" captionText="FIGURE 6. Male structures of Rhoenanthus spp. (digital photos). AD. Rhoenanthus hunanensis; EF. Rhoenanthus youi: A. Forewing; B. Hindwing; C, F. Genitalia (dorsal view); DE. Enlarged penes (ventral view)." figureDoi="http://doi.org/10.5281/zenodo.4434901" httpUri="https://zenodo.org/record/4434901/files/figure.png" pageId="7" pageNumber="570">Fig. 6</figureCitation>
EF).
</paragraph>
<paragraph id="8BB2C916FF8BFF95878EEDA35D22F8C6" blockId="7.[151,1437,1130,1912]" pageId="7" pageNumber="570">
Female adults of
<taxonomicName id="4C0DB295FF8BFF9586D8EDA25E5DF8B2" authorityName=": Kluge" authorityYear="2004" box="[401,561,1778,1804]" class="Insecta" family="Potamanthidae" genus="Rhoenanthus" kingdom="Animalia" order="Ephemeroptera" pageId="7" pageNumber="570" phylum="Arthropoda" rank="species" species="hunanensis">
<emphasis id="B9791504FF8BFF9586D8EDA25E5DF8B2" box="[401,561,1778,1804]" italics="true" pageId="7" pageNumber="570">R. hunanensis</emphasis>
</taxonomicName>
and
<taxonomicName id="4C0DB295FF8BFF958524EDA25ED3F8B2" baseAuthorityName="Wu &amp; You" baseAuthorityYear="1986" box="[621,703,1779,1804]" class="Insecta" family="Potamanthidae" genus="Rhoenanthus" kingdom="Animalia" order="Ephemeroptera" pageId="7" pageNumber="570" phylum="Arthropoda" rank="species" species="youi">
<emphasis id="B9791504FF8BFF958524EDA25ED3F8B2" box="[621,703,1779,1804]" italics="true" pageId="7" pageNumber="570">R. youi</emphasis>
</taxonomicName>
are very close and hard to differentiate. But the reddish brown stripes and markings on wings of the former species are slightly clearer, subgenital plate is more rounded, lateral extensions of terga VIII and IX are smaller, and the concave posterior margin of subanal plate is shallower than those of
<taxonomicName id="4C0DB295FF8BFF9587B1EC0E5D2BF8C6" baseAuthorityName="Wu &amp; You" baseAuthorityYear="1986" box="[248,327,1887,1912]" class="Insecta" family="Potamanthidae" genus="Rhoenanthus" kingdom="Animalia" order="Ephemeroptera" pageId="7" pageNumber="570" phylum="Arthropoda" rank="species" species="youi">
<emphasis id="B9791504FF8BFF9587B1EC0E5D2BF8C6" box="[248,327,1887,1912]" italics="true" pageId="7" pageNumber="570">R. youi</emphasis>
</taxonomicName>
.
</paragraph>
</subSubSection>
</treatment>
</document>