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<mods:title id="A57455AE11DD530C272D54F7AF36AAA1">Taxonomic review of Epeorus s. l. Eaton, 1881 (Ephemeroptera: Heptageniidae) in Sapporo City and adjacent areas, Hokkaido, Japan</mods:title>
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<mods:namePart id="E14E5F2E6EBF64FB58E2FE3EDAF4B995">Takayanagi, Tatsushi</mods:namePart>
<mods:affiliation id="AFE8063362FE9DC4D5FEDE9A2144D2F9">Laboratory of Systematic Entomology, Graduate School of Agriculture, Hokkaido University, Sapporo, Japan &amp; Current affiliation: Yamanashi Forest Research Institute, 2290 - 1 Saishoji, Fujikawa-cho, Yamanashi, Japan</mods:affiliation>
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<mods:namePart id="74CC94E437BD74CFEFF274ACC34876D7">Yoshizawa, Kazunori</mods:namePart>
<mods:affiliation id="4A1ED2E52F0B0944CD97C1AD044895BC">Laboratory of Systematic Entomology, Graduate School of Agriculture, Hokkaido University, Sapporo, Japan</mods:affiliation>
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<heading id="145ED828FFB9FFF6FF55FD5AFCC8FD7A" bold="true" box="[151,884,690,717]" fontSize="11" level="1" pageId="26" pageNumber="27" reason="1">
<emphasis id="7DDDB356FFB9FFF6FF55FD5AFCC8FD7A" bold="true" box="[151,884,690,717]" pageId="26" pageNumber="27">
<taxonomicName id="88A914C7FFB9FFF6FF55FD5AFD68FD7A" ID-CoL="6FNXW" authority="(Ueno, 1931)" baseAuthorityName="Ueno" baseAuthorityYear="1931" box="[151,724,690,717]" class="Insecta" family="Heptageniidae" genus="Epeorus" kingdom="Animalia" order="Ephemeroptera" pageId="26" pageNumber="27" phylum="Arthropoda" rank="species" species="nipponicus" subGenus="Proepeorus">
<emphasis id="7DDDB356FFB9FFF6FF55FD5AFF40FD7B" bold="true" box="[151,252,691,717]" italics="true" pageId="26" pageNumber="27">Epeorus</emphasis>
(
<emphasis id="7DDDB356FFB9FFF6FECFFD5AFE24FD7B" bold="true" box="[269,408,691,717]" italics="true" pageId="26" pageNumber="27">Proepeorus</emphasis>
)
<emphasis id="7DDDB356FFB9FFF6FE6BFD5AFD93FD7B" bold="true" box="[425,559,691,717]" italics="true" pageId="26" pageNumber="27">nipponicus</emphasis>
(Uéno, 1931)
</taxonomicName>
(
<figureCitation id="D79273C1FFB9FFF6FD21FD5BFCD0FD7A" box="[739,876,690,716]" captionStart-0="FIGURE 20" captionStart-1="FIGURE 21" captionStart-2="FIGURE 22" captionStartId-0="27.[151,250,1497,1521]" captionStartId-1="28.[151,250,1179,1203]" captionStartId-2="29.[151,250,1635,1659]" captionTargetBox-0="[154,1433,187,1472]" captionTargetBox-1="[154,1432,528,1152]" captionTargetBox-2="[169,1423,321,1598]" captionTargetId-0="figure-19@27.[151,1435,181,1472]" captionTargetId-1="figure-171@28.[151,1435,525,1155]" captionTargetId-2="figure-81@29.[159,1428,309,1612]" captionTargetPageId-0="27" captionTargetPageId-1="28" captionTargetPageId-2="29" captionText-0="FIGURE 20af. Epeorus nipponicus, mature nymph, habitus. a. Male, dorsal view; b. Male, ventral view; c. Male, lateral view; d. Female, dorsal view; e. Female, ventral view; f. Female, lateral view. Scales: af 2 mm." captionText-1="FIGURE 21ad. Epeorus nipponicus, mature nymph. a. Male head, dorsal view; b. Female head, dorsal view; c. Right middle leg, anterior face; d. Gills IVII (from right to left), dorsal view. Scales: ad 1mm." captionText-2="FIGURE 22aj. Epeorus nipponicus, nymph. a. Labrum (left half in ventral view, right half in dorsal view); b. Incisors of right mandible (ventral view); c. Incisors of left mandible (ventral view); d. Setae on dorsal surface of femora; e. Gill I; f. Gill II; g. Gill VII; h. Sternum IX of male; i. Sternum IX of female; j. Posterior margin of tergum VII." figureDoi-0="http://doi.org/10.5281/zenodo.14954029" figureDoi-1="http://doi.org/10.5281/zenodo.14954031" figureDoi-2="http://doi.org/10.5281/zenodo.14954033" httpUri-0="https://zenodo.org/record/14954029/files/figure.png" httpUri-1="https://zenodo.org/record/14954031/files/figure.png" httpUri-2="https://zenodo.org/record/14954033/files/figure.png" pageId="26" pageNumber="27">Figs 2022</figureCitation>
)
</emphasis>
</heading>
</paragraph>
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<paragraph id="4F166F44FFB9FFF6FF55FD3EFD36FD47" blockId="26.[151,884,690,753]" box="[151,650,727,753]" pageId="26" pageNumber="27">
[
<taxonomicName id="88A914C7FFB9FFF6FF5FFD3EFEB8FD47" box="[157,260,727,753]" class="Flasuviricetes" family="Flaviviridae" genus="Japanese" higherTaxonomySource="CoL" kingdom="Orthornavirae" order="Amarillovirales" pageId="26" pageNumber="47" phylum="Kitrinoviricota" rank="genus">Japanese</taxonomicName>
name &quot;Yumimon-hirata-kagerou&quot;]
</paragraph>
</subSubSection>
<subSubSection id="07B33CCFFFB9FFF6FF55FCF5FAB2FAED" pageId="26" pageNumber="27" type="reference_group">
<paragraph id="4F166F44FFB9FFF6FF55FCF5FEC6FCE4" blockId="26.[151,1437,795,1371]" pageId="26" pageNumber="27">
<treatmentCitationGroup id="6FB9486AFFB9FFF6FF55FCF5FEC6FCE4" pageId="26" pageNumber="27">
<taxonomicName id="88A914C7FFB9FFF6FF55FCF5FE84FC85" box="[151,312,796,819]" class="Insecta" family="Heptageniidae" genus="Iron" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="26" pageNumber="27" phylum="Arthropoda" rank="species" species="nipponicus">
<emphasis id="7DDDB356FFB9FFF6FF55FCF5FE84FC85" box="[151,312,796,819]" italics="true" pageId="26" pageNumber="27">Iron nipponicus</emphasis>
</taxonomicName>
:
<treatmentCitation id="CE084955FFB9FFF6FE84FCF2FDBAFC85" author="Ueno, M." box="[326,518,795,819]" page="97" pageId="26" pageNumber="27" year="1931">
<bibRefCitation id="2B3812B5FFB9FFF6FE84FCF2FE7AFC85" author="Ueno, M." box="[326,454,795,819]" pageId="26" pageNumber="27" pagination="91 - 104" refId="ref32022" refString="Ueno, M. (1931 a) Einige neue Ephemeropteren und Plecopteren aus Mittel-Japan. Annotationes zoologicae Japonenses, 13 (2), 91-104." type="journal article" year="1931">Uéno 1931a</bibRefCitation>
: p. 97
</treatmentCitation>
, fig. 4 (male imago) [
<collectingCountry id="37BE2FD4FFB9FFF6FD26FCF2FC8BFC85" box="[740,823,795,819]" name="Japan" pageId="26" pageNumber="27">JAPAN</collectingCountry>
:
<collectingRegion id="8D6DA1A6FFB9FFF6FC83FCF5FC29FC82" box="[833,917,796,820]" country="Japan" name="Nagano" pageId="26" pageNumber="27">Nagano</collectingRegion>
];
<treatmentCitation id="CE084955FFB9FFF6FC64FCF2FB48FC85" author="Ueno, M. &amp; Okamoto, H." box="[934,1268,795,819]" page="1959" pageId="26" pageNumber="27" year="1932">
<bibRefCitation id="2B3812B5FFB9FFF6FC64FCF2FB26FC85" author="Ueno, M. &amp; Okamoto, H." box="[934,1178,795,819]" pageId="26" pageNumber="27" pagination="1950 - 1962" refId="ref32201" refString="Ueno, M. &amp; Okamoto, H. (1932) Ephemeroptera. In: Uchida, S. (Ed.), Nippon Kontyu Zukan. Hokuryukan, Tokyo, pp. 1950-1962. [in Japanese]" type="book chapter" year="1932">Uéno &amp; Okamoto 1932</bibRefCitation>
: p. 1959
</treatmentCitation>
, fig. 3860 (male imago) [
<collectingCountry id="37BE2FD4FFB9FFF6FED9FCD3FECCFCE4" box="[283,368,826,850]" name="Japan" pageId="26" pageNumber="27">JAPAN</collectingCountry>
].
</treatmentCitationGroup>
</paragraph>
<paragraph id="4F166F44FFB9FFF6FF55FCB0FC23FC5D" blockId="26.[151,1437,795,1371]" pageId="26" pageNumber="27">
<taxonomicName id="88A914C7FFB9FFF6FF55FCB0FEDCFCC6" ID-CoL="6FNXW" baseAuthorityName="Ueno" baseAuthorityYear="1931" box="[151,352,857,880]" class="Insecta" family="Heptageniidae" genus="Epeorus" kingdom="Animalia" order="Ephemeroptera" pageId="26" pageNumber="27" phylum="Arthropoda" rank="species" species="nipponicus">
<emphasis id="7DDDB356FFB9FFF6FF55FCB0FEDCFCC6" box="[151,352,857,880]" italics="true" pageId="26" pageNumber="27">Epeorus nipponicus</emphasis>
</taxonomicName>
:
<bibRefCitation id="2B3812B5FFB9FFF6FEAEFCB1FDBCFCC7" author="Imanishi, K." box="[364,512,856,881]" pageId="26" pageNumber="27" pagination="380 - 394" refId="ref28952" refString="Imanishi, K. (1934) Mayflies from Japanese Torrents IV. Notes on the genus Epeorus. Annotationes Zoologicae Japonense, 14, 380-394." type="journal article" year="1934">Imanishi 1934</bibRefCitation>
: p. 386 (synonymy only);
<bibRefCitation id="2B3812B5FFB9FFF6FCC6FCB1FC2AFCC7" author="Ishiwata, S." box="[772,918,856,881]" pageId="26" pageNumber="27" pagination="1 - 46" refId="ref29256" refString="Ishiwata, S. (2002) Mayflies of Kanagawa Prefecture, Japan. Kanagawa-Chuho, 138, 1-46. [in Japanese]" type="journal article" year="2002">Ishiwata 2002</bibRefCitation>
: p. 23, figs 181184 (nymph, male imago) [
<collectingCountry id="37BE2FD4FFB9FFF6FA84FCB0FA25FCC7" box="[1350,1433,857,881]" name="Japan" pageId="26" pageNumber="27">JAPAN</collectingCountry>
:
<collectingRegion id="8D6DA1A6FFB9FFF6FF05FC91FE84FC26" box="[199,312,888,912]" country="Japan" name="Kanagawa" pageId="26" pageNumber="27">Kanagawa</collectingRegion>
];
<bibRefCitation id="2B3812B5FFB9FFF6FE88FC9EFDD3FC39" author="Ishiwata, S. &amp; Takemon, Y." box="[330,623,887,911]" pageId="26" pageNumber="27" pagination="31 - 128" refId="ref29453" refString="Ishiwata, S. &amp; Takemon, Y. (2005 b) Ephemeroptera. In: Kawai, T. &amp; Tanida, K. (Eds.), Aquatic insects of Japan: manual with keys and illustration. Tokai University Press, Kanagawa, pp. 31-128. [in Japanese]" type="book chapter" year="2005">Ishiwata &amp; Takemon 2005b</bibRefCitation>
: p. 105, figs 45-5, 45-10, 46-6, 47-11, 47-12 (male imago, nymph) [
<collectingCountry id="37BE2FD4FFB9FFF6FAFFFC9EFA2EFC39" box="[1341,1426,887,911]" name="Japan" pageId="26" pageNumber="27">JAPAN</collectingCountry>
];
<bibRefCitation id="2B3812B5FFB9FFF6FF05FC7FFECAFC18" author="Maruyama, H." box="[199,374,918,942]" pageId="26" pageNumber="27" pagination="90 - 178" refId="ref30430" refString="Maruyama, H. (2016) Ephemeroptera. In: Maruyama, H. &amp; Hanada, S. (Eds.), A Field Guide to Japanese Aquatic Insects: Adults of Mayflies, Stoneflies and Caddisflies. Zenkoku Noson Kyoiku Kyokai Co., Ltd, Tokyo, pp. 90-178. [in Japanese]" type="book chapter" year="2016">Maruyama 2016</bibRefCitation>
: p. 173, figs 1-171i, 1-180, 1-282, 1-283, 1-284, 1-285 (male imago, female imago, male subimago, female subimago) [
<collectingCountry id="37BE2FD4FFB9FFF6FE45FC5CFE66FC7B" box="[391,474,949,973]" name="Japan" pageId="26" pageNumber="27">JAPAN</collectingCountry>
:
<collectingRegion id="8D6DA1A6FFB9FFF6FE21FC5CFD91FC7B" box="[483,557,949,973]" country="Japan" name="Hyogo" pageId="26" pageNumber="27">Hyogo</collectingRegion>
]; Ishiwata
<emphasis id="7DDDB356FFB9FFF6FD5AFC5CFD76FC7A" box="[664,714,948,972]" italics="true" pageId="26" pageNumber="27">et al.</emphasis>
2018: p. 126, figs 45-5, 45-10, 46-6, 47-11, 47-12 (male imago, nymph) [
<collectingCountry id="37BE2FD4FFB9FFF6FF0FFC3AFE9EFC5D" box="[205,290,979,1003]" name="Japan" pageId="26" pageNumber="27">JAPAN</collectingCountry>
];
<bibRefCitation id="2B3812B5FFB9FFF6FEF0FC3AFD88FC5D" author="Ishiwata, S. &amp; Fujitani, T." box="[306,564,979,1003]" pageId="26" pageNumber="27" pagination="1 - 63" refId="ref29324" refString="Ishiwata, S. &amp; Fujitani, T. (2018) Eggs of Japanese Ephemeroptera. Kanagawa Institute of Technology, Division for Environmental Chemistry Research Report, 7 (Supplement 2), March 2018, 1-63." type="journal article" year="2018">Ishiwata &amp; Fujitani 2018</bibRefCitation>
: p. 33, pl. 22, fig. 6 (egg) [
<collectingCountry id="37BE2FD4FFB9FFF6FC82FC3AFC29FC5D" box="[832,917,979,1003]" name="Japan" pageId="26" pageNumber="27">JAPAN</collectingCountry>
].
</paragraph>
<paragraph id="4F166F44FFB9FFF6FF55FC1AFC33FB9F" blockId="26.[151,1437,795,1371]" pageId="26" pageNumber="27">
<taxonomicName id="88A914C7FFB9FFF6FF55FC1AFE51FBBF" ID-CoL="6FNXW" baseAuthorityName="Ueno" baseAuthorityYear="1931" box="[151,493,1010,1034]" class="Insecta" family="Heptageniidae" genus="Epeorus" kingdom="Animalia" order="Ephemeroptera" pageId="26" pageNumber="27" phylum="Arthropoda" rank="species" species="nipponicus" subGenus="Proepeorus">
<emphasis id="7DDDB356FFB9FFF6FF55FC1AFF57FBBC" box="[151,235,1011,1034]" italics="true" pageId="26" pageNumber="27">Epeorus</emphasis>
(
<emphasis id="7DDDB356FFB9FFF6FF38FC1AFED3FBBC" box="[250,367,1011,1034]" italics="true" pageId="26" pageNumber="27">Proepeorus</emphasis>
)
<emphasis id="7DDDB356FFB9FFF6FEBCFC1BFE51FBBF" box="[382,493,1010,1033]" italics="true" pageId="26" pageNumber="27">nipponicus</emphasis>
</taxonomicName>
:
<bibRefCitation id="2B3812B5FFB9FFF6FE39FC1BFDCAFBBC" author="Kluge, N. J." box="[507,630,1010,1034]" pageId="26" pageNumber="27" refId="ref29818" refString="Kluge, N. J. (2004) The Phylogenetic System of Ephemeroptera. Kluwer Academic Publishers, Dordrecht, 442 pp. https://doi.org/10.1007/978-94-007-0872-3" type="book" year="2004">Kluge 2004</bibRefCitation>
: p. 204 (name only);
<bibRefCitation id="2B3812B5FFB9FFF6FC8CFC1BFC59FBBC" author="Ma, Z. X. &amp; Lei, Z. M. &amp; Li, W. J. &amp; Zhou, C. F." box="[846,997,1010,1034]" pageId="26" pageNumber="27" pagination="1131 - 1159" refId="ref30227" refString="Ma, Z. X., Lei, Z. M., Li, W. J. &amp; Zhou, C. F. (2021) A revision of Epeorus (Proepeorus) in China, with descriptions of two new species (Ephemeroptera, Heptageniidae). Journal of Natural History, 55 (17 - 18), 1131-1159. https://doi.org/10.1080/00222933.2021.1936679" type="journal article" year="2021">
Ma
<emphasis id="7DDDB356FFB9FFF6FCB4FC1AFC15FBBC" box="[886,937,1010,1034]" italics="true" pageId="26" pageNumber="27">et al.</emphasis>
2021
</bibRefCitation>
: p. 1133, figs 1AC, 6B, 12C, 13C, 14EF, 15A, I, 16C (male imago, female imago, nymph) [Northeast
<collectingCountry id="37BE2FD4FFB9FFF6FCEDFBF8FC39FB9F" box="[815,901,1041,1065]" name="China" pageId="26" pageNumber="27">CHINA</collectingCountry>
].
</paragraph>
<paragraph id="4F166F44FFB9FFF6FF55FBD9FE9BFB49" blockId="26.[151,1437,795,1371]" pageId="26" pageNumber="27">
<treatmentCitationGroup id="6FB9486AFFB9FFF6FF55FBD9FE9BFB49" pageId="26" pageNumber="27">
<taxonomicName id="88A914C7FFB9FFF6FF55FBD9FEE2FBF1" ID-CoL="6FNVL" authorityName="Matsumura" authorityYear="1931" box="[151,350,1071,1095]" class="Insecta" family="Heptageniidae" genus="Epeorus" kingdom="Animalia" order="Ephemeroptera" pageId="26" pageNumber="27" phylum="Arthropoda" rank="species" species="curvatulus">
<emphasis id="7DDDB356FFB9FFF6FF55FBD9FEE2FBF1" box="[151,350,1071,1095]" italics="true" pageId="26" pageNumber="27">Epeorus curvatulus</emphasis>
</taxonomicName>
auct., non
<bibRefCitation id="2B3812B5FFB9FFF6FE10FBD9FD35FBF1" author="Matsumura, S." box="[466,649,1071,1095]" pageId="26" pageNumber="27" refId="ref30492" refString="Matsumura, S. (1931) 6000 Illustrated Insects of Japan-Empire. Toko-shoin, Tokyo, 1497 pp. [in Japanese]" type="book" year="1931">Matsumura, 1931</bibRefCitation>
:
<treatmentCitation id="CE084955FFB9FFF6FD56FBC6FCC4FBF1" author="Imanishi, K." box="[660,888,1071,1095]" page="392" pageId="26" pageNumber="27" year="1934">
<bibRefCitation id="2B3812B5FFB9FFF6FD56FBC6FC96FBF1" author="Imanishi, K." box="[660,810,1071,1095]" pageId="26" pageNumber="27" pagination="380 - 394" refId="ref28952" refString="Imanishi, K. (1934) Mayflies from Japanese Torrents IV. Notes on the genus Epeorus. Annotationes Zoologicae Japonense, 14, 380-394." type="journal article" year="1934">Imanishi 1934</bibRefCitation>
: p. 392
</treatmentCitation>
, fig. 3 (male imago, female imago, nymph) [
<collectingCountry id="37BE2FD4FFB9FFF6FA84FBC6FA25FBF1" box="[1350,1433,1071,1095]" name="Japan" pageId="26" pageNumber="27">JAPAN</collectingCountry>
:
<collectingRegion id="8D6DA1A6FFB9FFF6FF05FBA7FEB0FBD0" box="[199,268,1102,1126]" country="Japan" name="Kyoto" pageId="26" pageNumber="27">Kyoto</collectingRegion>
];
<treatmentCitation id="CE084955FFB9FFF6FEDFFBA7FDBCFBD0" author="Imanishi, K." box="[285,512,1102,1126]" page="250" pageId="26" pageNumber="27" year="1940">
<bibRefCitation id="2B3812B5FFB9FFF6FEDFFBA7FE0EFBD0" author="Imanishi, K." box="[285,434,1102,1126]" pageId="26" pageNumber="27" pagination="169 - 263" refId="ref28981" refString="Imanishi, K. (1940) Ephemeroptera of Manchuria, Inner Mongolia and Korea. In: Kawamura, T. (Ed.), Report of the liminological survey of Kwantung and Manchoukuo, Kyoto, Japan, 1940, pp. 169-263. [in Japanese]" type="journal article" year="1940">Imanishi 1940</bibRefCitation>
, p. 250
</treatmentCitation>
, fig. 38 (nymph) [
<collectingCountry id="37BE2FD4FFB9FFF6FD78FBA7FCAAFBD0" box="[698,790,1102,1126]" name="South Korea" pageId="26" pageNumber="27">KOREA</collectingCountry>
, Northeast
<collectingCountry id="37BE2FD4FFB9FFF6FC49FBA7FC5DFBD0" box="[907,993,1102,1126]" name="China" pageId="26" pageNumber="27">CHINA</collectingCountry>
];
<treatmentCitation id="CE084955FFB9FFF6FC30FBA7FB0FFBD0" author="Ueno, M." box="[1010,1203,1102,1126]" page="123" pageId="26" pageNumber="27" year="1950">
<bibRefCitation id="2B3812B5FFB9FFF6FC30FBA7FBDAFBD0" author="Ueno, M." box="[1010,1126,1102,1126]" pageId="26" pageNumber="27" pagination="120 - 130" refId="ref32120" refString="Ueno, M. (1950) Ephemeroptera. In: Ishii, T. (Ed.), Nippon Kontyu Zukan. Hokuryukan, Tokyo, pp. 120-130. [in Japanese]" type="book chapter" year="1950">Uéno 1950</bibRefCitation>
: p. 123
</treatmentCitation>
, fig. 307 (male imago, female imago) [
<collectingCountry id="37BE2FD4FFB9FFF6FEA6FB84FE05FB33" box="[356,441,1133,1157]" name="Japan" pageId="26" pageNumber="27">JAPAN</collectingCountry>
];
<treatmentCitation id="CE084955FFB9FFF6FE0AFB84FDC8FB32" author="Ueno, M." box="[456,628,1132,1157]" page="54" pageId="26" pageNumber="27" year="1959">
<bibRefCitation id="2B3812B5FFB9FFF6FE0AFB84FD86FB32" author="Ueno, M." box="[456,570,1132,1157]" pageId="26" pageNumber="27" pagination="44 - 58" refId="ref32158" refString="Ueno, M. (1959) Mayflies and stonefly nymphs. In: Kawata, T. (Ed.), Illustrated Insect Larvae of Japan. Hokuryukan, Tokyo, pp. 44-58. [in Japanese]" type="book chapter" year="1959">Uéno 1959</bibRefCitation>
: p. 54
</treatmentCitation>
(nymph) [
<collectingCountry id="37BE2FD4FFB9FFF6FD19FB84FC8CFB33" box="[731,816,1133,1157]" name="Japan" pageId="26" pageNumber="27">JAPAN</collectingCountry>
];
<treatmentCitation id="CE084955FFB9FFF6FCFDFB84FC57FB33" author="Gose, K." box="[831,1003,1132,1157]" page="22" pageId="26" pageNumber="27" year="1962">
<bibRefCitation id="2B3812B5FFB9FFF6FCFDFB84FC12FB32" author="Gose, K." box="[831,942,1132,1157]" pageId="26" pageNumber="27" pagination="6 - 24" refId="ref28133" refString="Gose, K. (1962) Ephemeroptera. In: Tsuda, M. (Ed.), Aquatic Entomology. Hokuryukan, Tokyo, pp. 6-24. [in Japanese]" type="book chapter" year="1962">Gose 1962</bibRefCitation>
: p. 22
</treatmentCitation>
, fig. 1-11-7 (nymph) [
<collectingCountry id="37BE2FD4FFB9FFF6FB04FB84FAA7FB33" box="[1222,1307,1133,1157]" name="Japan" pageId="26" pageNumber="27">JAPAN</collectingCountry>
];
<treatmentCitation id="CE084955FFB9FFF6FAEBFB84FF40FB15" author="Gose, K." page="45" pageId="26" pageNumber="27" year="1979">
<bibRefCitation id="2B3812B5FFB9FFF6FAEBFB84FA25FB33" author="Gose, K." box="[1321,1433,1133,1157]" pageId="26" pageNumber="27" pagination="44 - 46" refId="ref28170" refString="Gose, K. (1979) The mayflies of Japanese (4). Aquabiology, 1 (4), 44-46. [in Japanese]" type="journal article" year="1979">Gose 1979</bibRefCitation>
: p. 45
</treatmentCitation>
, figs 14, 21 (male imago, nymph) [
<collectingCountry id="37BE2FD4FFB9FFF6FD98FB62FD13FB15" box="[602,687,1163,1187]" name="Japan" pageId="26" pageNumber="27">JAPAN</collectingCountry>
];
<treatmentCitation id="CE084955FFB9FFF6FD7CFB62FC3EFB15" author="Okuma, K." box="[702,898,1163,1187]" page="30" pageId="26" pageNumber="27" year="1980">
<bibRefCitation id="2B3812B5FFB9FFF6FD7CFB62FCF8FB15" author="Okuma, K." box="[702,836,1163,1187]" pageId="26" pageNumber="27" pagination="30 - 31" refId="ref30840" refString="Okuma, K. (1980) The nymphs of Epeorus ikanonis and Epeorus nipponicus. The nature and insects, 15 (10), 30-31. [in Japanese] *" type="journal article" year="1980">Okuma 1980</bibRefCitation>
: p. 30
</treatmentCitation>
, fig. 1 (nymph) [
<collectingCountry id="37BE2FD4FFB9FFF6FBEAFB62FBC7FB15" box="[1064,1147,1163,1187]" name="Japan" pageId="26" pageNumber="27">JAPAN</collectingCountry>
:
<collectingRegion id="8D6DA1A6FFB9FFF6FB46FB62FB67FB15" box="[1156,1243,1163,1187]" country="Japan" name="Saitama" pageId="26" pageNumber="27">Saitama</collectingRegion>
];
<treatmentCitation id="CE084955FFB9FFF6FB29FB62FA24FB15" author="Gose, K." box="[1259,1432,1163,1187]" page="16" pageId="26" pageNumber="27" year="1985">
<bibRefCitation id="2B3812B5FFB9FFF6FB29FB62FAE7FB15" author="Gose, K." box="[1259,1371,1163,1187]" pageId="26" pageNumber="27" pagination="7 - 32" refId="ref28200" refString="Gose, K. (1985) Ephemeroptera. In: Kawai, T. (Ed.), An Illustrated Book of Aquatic Insects of Japan. Univ. Tokai Press, Tokyo, pp. 7-32. [in Japanese]" type="book chapter" year="1985">Gose 1985</bibRefCitation>
: p. 16
</treatmentCitation>
, fig. 42 (nymph) [
<collectingCountry id="37BE2FD4FFB9FFF6FEB4FB43FE77FB74" box="[374,459,1194,1218]" name="Japan" pageId="26" pageNumber="27">JAPAN</collectingCountry>
];
<treatmentCitation id="CE084955FFB9FFF6FE1EFB43FD06FB74" author="Bae, Y. J. &amp; Kluge, N. J. &amp; Chun, D. J." box="[476,698,1194,1218]" page="91" pageId="26" pageNumber="27" year="1998">
<bibRefCitation id="2B3812B5FFB9FFF6FE1EFB43FDC0FB74" author="Bae, Y. J. &amp; Kluge, N. J. &amp; Chun, D. J." box="[476,636,1194,1218]" pageId="26" pageNumber="27" pagination="90 - 94" refId="ref27278" refString="Bae, Y. J., Kluge, N. J. &amp; Chun, D. J. (1998) New synonymy and new data on the distribution of the mayflies from Korea and the Russian Far East. Zoosystematica Rossica, 7, 90-94." type="journal article" year="1998">
Bae
<emphasis id="7DDDB356FFB9FFF6FDC9FB42FD83FB74" box="[523,575,1194,1218]" italics="true" pageId="26" pageNumber="27">et al.</emphasis>
1998
</bibRefCitation>
: p. 91
</treatmentCitation>
(nymph, imagines) [
<collectingCountry id="37BE2FD4FFB9FFF6FC4DFB43FC57FB74" box="[911,1003,1194,1218]" name="South Korea" pageId="26" pageNumber="27">KOREA</collectingCountry>
, Far East
<collectingCountry id="37BE2FD4FFB9FFF6FB91FB43FB0FFB74" box="[1107,1203,1194,1218]" name="Russia" pageId="26" pageNumber="27">RUSSIA</collectingCountry>
];
<treatmentCitation id="CE084955FFB9FFF6FB06FB43FA25FB77" author="Ishiwata, S." box="[1220,1433,1194,1218]" page="77" pageId="26" pageNumber="27" year="2000">
<bibRefCitation id="2B3812B5FFB9FFF6FB06FB43FAE4FB74" author="Ishiwata, S." box="[1220,1368,1194,1218]" pageId="26" pageNumber="27" pagination="73 - 82" refId="ref29127" refString="Ishiwata, S. (2000) Notes on mayflies in Kanagawa Prefecture. Natural History Report of Kanagawa, 21, 73-82. [in Japanese]" type="journal article" year="2000">Ishiwata 2000</bibRefCitation>
: p. 77
</treatmentCitation>
, fig. 43 (male imago, nymph) [
<collectingCountry id="37BE2FD4FFB9FFF6FE35FB20FDF6FB57" box="[503,586,1225,1249]" name="Japan" pageId="26" pageNumber="27">JAPAN</collectingCountry>
:
<collectingRegion id="8D6DA1A6FFB9FFF6FD91FB20FD78FB57" box="[595,708,1225,1249]" country="Japan" name="Kanagawa" pageId="26" pageNumber="27">Kanagawa</collectingRegion>
];
<treatmentCitation id="CE084955FFB9FFF6FD16FB20FC77FB56" author="Quan, Y. T. &amp; Bae, Y. J. &amp; Jung, J. C. &amp; Lee, J. W." box="[724,971,1224,1249]" page="253" pageId="26" pageNumber="27" year="2002">
<bibRefCitation id="2B3812B5FFB9FFF6FD16FB20FC3CFB57" author="Quan, Y. T. &amp; Bae, Y. J. &amp; Jung, J. C. &amp; Lee, J. W." box="[724,896,1224,1249]" pageId="26" pageNumber="27" pagination="241 - 269" refId="ref30875" refString="Quan, Y. T., Bae, Y. J., Jung, J. C. &amp; Lee, J. W. (2002) Ephemeroptera (Insecta) fauna of northeast China. Insecta Koreana, 19 (3 &amp; 4), 241-269." type="journal article" year="2002">
Quan
<emphasis id="7DDDB356FFB9FFF6FCD3FB20FCF9FB56" box="[785,837,1224,1248]" italics="true" pageId="26" pageNumber="27">et al.</emphasis>
2002
</bibRefCitation>
, p. 253
</treatmentCitation>
, figs 32, 76, 92, 104, 153 (nymph) [Northeast
<collectingCountry id="37BE2FD4FFB9FFF6FF05FB0EFEA1FB49" box="[199,285,1255,1279]" name="China" pageId="26" pageNumber="27">CHINA</collectingCountry>
].
</treatmentCitationGroup>
</paragraph>
<paragraph id="4F166F44FFB9FFF6FF55FAEEFB8BFAA8" blockId="26.[151,1437,795,1371]" box="[151,1079,1286,1310]" pageId="26" pageNumber="27">
<treatmentCitationGroup id="6FB9486AFFB9FFF6FF55FAEEFB8BFAA8" box="[151,1079,1286,1310]" pageId="26" pageNumber="27">
<taxonomicName id="88A914C7FFB9FFF6FF55FAEEFE75FAA8" ID-CoL="6FNVL" authorityName="Matsumura" authorityYear="1931" box="[151,457,1286,1310]" class="Insecta" family="Heptageniidae" genus="Epeorus" kingdom="Animalia" order="Ephemeroptera" pageId="26" pageNumber="27" phylum="Arthropoda" rank="species" species="curvatulus" subGenus="Epeorus">
<emphasis id="7DDDB356FFB9FFF6FF55FAEEFF57FAA8" box="[151,235,1287,1310]" italics="true" pageId="26" pageNumber="27">Epeorus</emphasis>
(
<emphasis id="7DDDB356FFB9FFF6FF38FAEEFEF2FAA8" box="[250,334,1287,1310]" italics="true" pageId="26" pageNumber="27">Epeorus</emphasis>
)
<emphasis id="7DDDB356FFB9FFF6FE9CFAEFFE75FAA8" box="[350,457,1286,1310]" italics="true" pageId="26" pageNumber="27">curvatulus</emphasis>
</taxonomicName>
:
<treatmentCitation id="CE084955FFB9FFF6FE14FAEFFD73FAA8" author="Byong, Y. I. &amp; Bae, Y. J." box="[470,719,1286,1310]" page="6" pageId="26" pageNumber="27" year="1984">
<bibRefCitation id="2B3812B5FFB9FFF6FE14FAEFFD22FAA8" author="Byong, Y. I. &amp; Bae, Y. J." box="[470,670,1286,1310]" pageId="26" pageNumber="27" pagination="1 - 34" refId="ref27821" refString="Byong, Y. I. &amp; Bae, Y. J. (1984) The Classification of Heptageniidae (Ephemeroptera) in Korea. Entomological Research Bulletin, 10, 1-34." type="journal article" year="1984">Byong &amp; Bae 1984</bibRefCitation>
: p. 6
</treatmentCitation>
, pl. 3, figs ae (nymph) [
<collectingCountry id="37BE2FD4FFB9FFF6FC0FFAEFFB90FAA8" box="[973,1068,1286,1310]" name="South Korea" pageId="26" pageNumber="27">KOREA</collectingCountry>
].
</treatmentCitationGroup>
</paragraph>
<paragraph id="4F166F44FFB9FFF6FF55FACCFBBEFA8B" blockId="26.[151,1437,795,1371]" box="[151,1026,1316,1341]" pageId="26" pageNumber="27">
<treatmentCitationGroup id="6FB9486AFFB9FFF6FF55FACCFBBEFA8B" box="[151,1026,1316,1341]" pageId="26" pageNumber="27">
<taxonomicName id="88A914C7FFB9FFF6FF55FACCFE77FA8A" ID-CoL="6FNVL" authorityName="Matsumura" authorityYear="1931" box="[151,459,1316,1341]" class="Insecta" family="Heptageniidae" genus="Epeorus" kingdom="Animalia" order="Ephemeroptera" pageId="26" pageNumber="27" phylum="Arthropoda" rank="species" species="curvatulus" subGenus="Belovius">
<emphasis id="7DDDB356FFB9FFF6FF55FACCFF57FA8A" box="[151,235,1317,1340]" italics="true" pageId="26" pageNumber="27">Epeorus</emphasis>
(
<emphasis id="7DDDB356FFB9FFF6FF38FACDFEEDFA8A" box="[250,337,1316,1340]" italics="true" pageId="26" pageNumber="27">Belovius</emphasis>
)
<emphasis id="7DDDB356FFB9FFF6FEA2FACDFE77FA8A" box="[352,459,1316,1340]" italics="true" pageId="26" pageNumber="27">curvatulus</emphasis>
</taxonomicName>
:
<treatmentCitation id="CE084955FFB9FFF6FE1AFACDFD75FA8A" author="Tshernova, O. A." box="[472,713,1316,1341]" page="326" pageId="26" pageNumber="27" year="1981">
<bibRefCitation id="2B3812B5FFB9FFF6FE1AFACDFDC2FA8B" author="Tshernova, O. A." box="[472,638,1316,1341]" pageId="26" pageNumber="27" pagination="323 - 336" refId="ref31871" refString="Tshernova, O. A. (1981) On the systematics of adult mayflies of the genus Epeorus Eaton, 1881 (Ephemeroptera, Heptageniidae). Entomologicheskoe Obozrenie, 60 (2), 323-336. [in Russian]" type="journal article" year="1981">Tshernova 1981</bibRefCitation>
: p. 326
</treatmentCitation>
, fig. 8 (male imago) [
<collectingCountry id="37BE2FD4FFB9FFF6FC66FACCFC45FA8B" box="[932,1017,1317,1341]" name="Japan" pageId="26" pageNumber="27">JAPAN</collectingCountry>
].
</treatmentCitationGroup>
</paragraph>
<paragraph id="4F166F44FFB9FFF6FF55FAADFAB2FAED" blockId="26.[151,1437,795,1371]" box="[151,1294,1347,1371]" pageId="26" pageNumber="27">
<treatmentCitationGroup id="6FB9486AFFB9FFF6FF55FAADFAB2FAED" box="[151,1294,1347,1371]" pageId="26" pageNumber="27">
<taxonomicName id="88A914C7FFB9FFF6FF55FAADFEE1FAED" ID-CoL="6FNHS" authorityName="Eaton" authorityYear="1881" box="[151,349,1348,1371]" class="Insecta" family="Heptageniidae" genus="Epeorus" kingdom="Animalia" order="Ephemeroptera" pageId="26" pageNumber="27" phylum="Arthropoda" rank="species" species="torrentium">
<emphasis id="7DDDB356FFB9FFF6FF55FAADFEE1FAED" box="[151,349,1348,1371]" italics="true" pageId="26" pageNumber="27">Epeorus torrentium</emphasis>
</taxonomicName>
(non
<taxonomicName id="88A914C7FFB9FFF6FE5AFAADFD58FAED" ID-CoL="6FNHS" authority="Eaton, 1881" authorityName="Eaton" authorityYear="1881" box="[408,740,1347,1371]" class="Insecta" family="Heptageniidae" genus="Epeorus" kingdom="Animalia" order="Ephemeroptera" pageId="26" pageNumber="27" phylum="Arthropoda" rank="species" species="torrentium">
<emphasis id="7DDDB356FFB9FFF6FE5AFAADFDE2FAED" box="[408,606,1348,1371]" italics="true" pageId="26" pageNumber="27">Epeorus torrentium</emphasis>
<bibRefCitation id="2B3812B5FFB9FFF6FDA7FAADFD58FAED" author="Eaton, A. E." box="[613,740,1347,1371]" pageId="26" pageNumber="27" pagination="21 - 27" refId="ref27857" refString="Eaton, A. E. (1881) An announcement of new genera of the Ephemeridae. Entomologist's Monthly Magazine, 18, 21-27." type="journal article" year="1881">Eaton, 1881</bibRefCitation>
</taxonomicName>
):
<treatmentCitation id="CE084955FFB9FFF6FD37FAAAFC14FAED" author="Ueno, M." box="[757,936,1347,1371]" page="34" pageId="26" pageNumber="27" year="1928">
<bibRefCitation id="2B3812B5FFB9FFF6FD37FAAAFCD4FAED" author="Ueno, M." box="[757,872,1347,1371]" pageId="26" pageNumber="27" pagination="19 - 63" refId="ref31987" refString="Ueno, M. (1928) Some Japanese mayfly nymphs. Memoirs of the college of science, Kyoto Imperial University, Series B, 4 (1), 19-63." type="journal article" year="1928">Uéno 1928</bibRefCitation>
: p. 34
</treatmentCitation>
, misidentification (
<bibRefCitation id="2B3812B5FFB9FFF6FBA9FAAAFABEFAED" author="Imanishi, K." box="[1131,1282,1347,1371]" pageId="26" pageNumber="27" pagination="169 - 263" refId="ref28981" refString="Imanishi, K. (1940) Ephemeroptera of Manchuria, Inner Mongolia and Korea. In: Kawamura, T. (Ed.), Report of the liminological survey of Kwantung and Manchoukuo, Kyoto, Japan, 1940, pp. 169-263. [in Japanese]" type="journal article" year="1940">Imanishi 1940</bibRefCitation>
).
</treatmentCitationGroup>
</paragraph>
</subSubSection>
<subSubSection id="07B33CCFFFB9FFF0FF55FA60FEE1FEAB" lastPageId="28" lastPageNumber="29" pageId="26" pageNumber="27" type="materials_examined">
<paragraph id="4F166F44FFB9FFF6FF55FA60FC0AF8BD" blockId="26.[151,1437,1417,1876]" pageId="26" pageNumber="27">
<emphasis id="7DDDB356FFB9FFF6FF55FA60FE31FA15" bold="true" box="[151,397,1417,1443]" pageId="26" pageNumber="27">Materials examined.</emphasis>
<materialsCitation id="FFC16519FFB9FFF6FE57FA60FF4DFA71" location="Kyoto" pageId="26" pageNumber="27" specimenCount="1" stateProvince="Kyoto">
<emphasis id="7DDDB356FFB9FFF6FE57FA60FDE7FA15" bold="true" box="[405,603,1417,1443]" pageId="26" pageNumber="27">
<typeStatus id="9012D1E6FFB9FFF6FE57FA60FE6CFA15" box="[405,464,1417,1443]" pageId="26" pageNumber="27">Type</typeStatus>
specimens:
</emphasis>
We investigated The
<collectingRegion id="8D6DA1A6FFB9FFF6FC97FA63FC27FA12" box="[853,923,1418,1444]" country="Japan" name="Kyoto" pageId="26" pageNumber="27">Kyoto</collectingRegion>
University Museum collection but could not find the
</materialsCitation>
<typeStatus id="9012D1E6FFB9FFF6FF3FFA47FE91FA7E" box="[253,301,1454,1480]" pageId="26" pageNumber="27">type</typeStatus>
specimen. Probably lost.
<materialsCitation id="FFC16519FFB9FFF6FD9CFA44FC0EF8BD" collectingDate="2002-09-08" collectingDateMax="2021-08-21" collectingDateMin="2002-09-08" collectionCode="T" collectorName="K. Saito &amp; Sapporo-shi &amp; Minami-ku &amp; Jozankei &amp; Shirai-gawa Stream &amp; Migimata-gawa Stream &amp; Chuo-ku &amp; Minami &amp; Nishi &amp; Toyohira-gawa Riv. &amp; Takayanagi" country="Japan" county="Sapporo-shi" elevation="472" latitude="43.068" location="Jozankei" longLatPrecision="1" longitude="141.387" municipality="Minami-ku" pageId="26" pageNumber="27" specimenCount="2" specimenCount-female="1" specimenCount-male="1" stateProvince="Hokkaido">
<emphasis id="7DDDB356FFB9FFF6FD9CFA44FC8FFA71" bold="true" box="[606,819,1453,1479]" pageId="26" pageNumber="27">
<typeStatus id="9012D1E6FFB9FFF6FD9CFA44FC92FA71" box="[606,814,1453,1479]" isOtherTypeStatus="true" pageId="26" pageNumber="27">Other specimens</typeStatus>
:
</emphasis>
<collectingCountry id="37BE2FD4FFB9FFF6FCFCFA47FC2AFA7E" box="[830,918,1454,1480]" name="Japan" pageId="26" pageNumber="27">JAPAN</collectingCountry>
,
<collectingRegion id="8D6DA1A6FFB9FFF6FC67FA44FB83FA71" box="[933,1087,1453,1479]" country="Japan" name="Hokkaido" pageId="26" pageNumber="27">HOKKAIDO</collectingRegion>
, ISHIKARI:
<emphasis id="7DDDB356FFB9FFF6FB19FA44FABEFA71" bold="true" box="[1243,1282,1453,1479]" pageId="26" pageNumber="27">[4.]</emphasis>
<collectingCounty id="A67717C8FFB9FFF6FACCFA44FA24FA71" box="[1294,1432,1453,1479]" pageId="26" pageNumber="27">Sapporo-shi</collectingCounty>
,
<collectingMunicipality id="AF72F53EFFB9FFF6FF55FA38FEA4FA5D" box="[151,280,1489,1515]" pageId="26" pageNumber="27">Minami-ku</collectingMunicipality>
,
<location id="4A76399FFFB9FFF6FEEAFA38FE31FA5D" LSID="urn:lsid:plazi:treatment:C700DE52FFB9FFF2FF55FD5AFF64FD1F:4A76399FFFB9FFF6FEEAFA38FE31FA5D" box="[296,397,1489,1515]" country="Japan" county="Sapporo-shi" latitude="43.068" longLatPrecision="1" longitude="141.387" municipality="Minami-ku" name="Jozankei" pageId="26" pageNumber="27" stateProvince="Hokkaido">Jozankei</location>
,
<location id="4A76399FFFB9FFF6FE5EFA38FD1FFA5D" LSID="urn:lsid:plazi:treatment:C700DE52FFB9FFF2FF55FD5AFF64FD1F:4A76399FFFB9FFF6FE5EFA38FD1FFA5D" box="[412,675,1489,1515]" country="Japan" county="Sapporo-shi" latitude="43.068" longLatPrecision="1" longitude="141.387" municipality="Minami-ku" name="Usubetsu-gawa Stream" pageId="26" pageNumber="27" stateProvince="Hokkaido">Usubetsu-gawa Stream</location>
(a tributary of Toyohira-gawa Riv.),
<elevation id="C4848877FFB9FFF6FB9FFA38FB54FA5D" box="[1117,1256,1489,1516]" metricMagnitude="2" metricUnit="m" metricValue="4.72" pageId="26" pageNumber="27" unit="m" value="472.0">
<quantity id="8851C2A1FFB9FFF6FB9FFA38FB14FA5A" box="[1117,1192,1489,1516]" metricMagnitude="2" metricUnit="m" metricValue="4.72" pageId="26" pageNumber="27" unit="m" value="472.0">472 m</quantity>
a.s.l.
</elevation>
(
<geoCoordinate id="2A9D0983FFB9FFF6FB39FA38FA2BFA5A" box="[1275,1431,1489,1516]" degrees="42" direction="north" minutes="54" orientation="latitude" pageId="26" pageNumber="27" precision="1" seconds="33.5" value="42.909306">42°54'33.5&quot;N</geoCoordinate>
,
<geoCoordinate id="2A9D0983FFB9FFF6FF55FA1CFE82F9B9" box="[151,318,1525,1551]" degrees="141" direction="east" minutes="07" orientation="longitude" pageId="26" pageNumber="27" precision="1" seconds="28.9" value="141.1247">141°07'28.9&quot;E</geoCoordinate>
), 2 mature male nymphs,
<date id="3B174984FFB9FFF6FDA7FA1CFD64F9B9" box="[613,728,1525,1551]" pageId="26" pageNumber="27" value="2002-09-08">
<collectingDate id="2B53B06CFFB9FFF6FDA7FA1CFD64F9B9" box="[613,728,1525,1551]" pageId="26" pageNumber="27" value="2002-09-08">8.IX.2002</collectingDate>
</date>
,
<collectorName id="E25C0A92FFB9FFF6FD27FA1FFCF9F9B9" box="[741,837,1525,1552]" pageId="26" pageNumber="27">K. Saito</collectorName>
;
<emphasis id="7DDDB356FFB9FFF6FC93FA1CFCC6F9B9" bold="true" box="[849,890,1525,1551]" pageId="26" pageNumber="27">[5.]</emphasis>
<collectorName id="E25C0A92FFB9FFF6FC43FA1CFBB7F9B9" box="[897,1035,1525,1551]" pageId="26" pageNumber="27">Sapporo-shi</collectorName>
,
<collectorName id="E25C0A92FFB9FFF6FBD5FA1CFB24F9B9" box="[1047,1176,1525,1551]" pageId="26" pageNumber="27">Minami-ku</collectorName>
,
<collectorName id="E25C0A92FFB9FFF6FB66FA1CFAB5F9B9" box="[1188,1289,1525,1551]" pageId="26" pageNumber="27">Jozankei</collectorName>
,
<collectorName id="E25C0A92FFB9FFF6FAD7FA1CFF5AF985" pageId="26" pageNumber="27">Shirai-gawa Stream</collectorName>
(a tributary of Toyohira-gawa Riv.), the confluence of
<collectorName id="E25C0A92FFB9FFF6FCAEF9F0FBF1F985" box="[876,1101,1561,1587]" pageId="26" pageNumber="27">Shirai-gawa Stream</collectorName>
and
<collectorName id="E25C0A92FFB9FFF6FB48F9F0FA24F985" box="[1162,1432,1561,1587]" pageId="26" pageNumber="27">Migimata-gawa Stream</collectorName>
,
<elevation id="C4848877FFB9FFF6FF55F9D4FEA0F9E1" box="[151,284,1597,1624]" metricMagnitude="2" metricUnit="m" metricValue="4.5" pageId="26" pageNumber="27" unit="m" value="450.0">
<quantity id="8851C2A1FFB9FFF6FF55F9D4FF63F9EE" box="[151,223,1597,1624]" metricMagnitude="2" metricUnit="m" metricValue="4.5" pageId="26" pageNumber="27" unit="m" value="450.0">450 m</quantity>
a.s.l.
</elevation>
(
<geoCoordinate id="2A9D0983FFB9FFF6FEEEF9D4FE74F9EE" box="[300,456,1597,1624]" degrees="42" direction="north" minutes="59" orientation="latitude" pageId="26" pageNumber="27" precision="1" seconds="39.6" value="42.994335">42°59'39.6&quot;N</geoCoordinate>
,
<geoCoordinate id="2A9D0983FFB9FFF6FE17F9D4FDC0F9E1" box="[469,636,1597,1623]" degrees="141" direction="east" minutes="04" orientation="longitude" pageId="26" pageNumber="27" precision="1" seconds="42.9" value="141.07858">141°04'42.9&quot;E</geoCoordinate>
), 1 mature male nymph and 1 mature female nymph,
<date id="3B174984FFB9FFF6FB22F9D4FAC9F9E1" box="[1248,1397,1597,1623]" pageId="26" pageNumber="27" value="2004-08-07">
<collectingDate id="2B53B06CFFB9FFF6FB22F9D4FAC9F9E1" box="[1248,1397,1597,1623]" pageId="26" pageNumber="27" value="2004-08-07">07.VIII.2004</collectingDate>
</date>
,
<collectorName id="E25C0A92FFB9FFF6FA43F9D7FF68F9CD" pageId="26" pageNumber="27">K. Saito</collectorName>
;
<emphasis id="7DDDB356FFB9FFF6FF21F988FEA5F9CD" bold="true" box="[227,281,1633,1659]" pageId="26" pageNumber="27">[15.]</emphasis>
<collectorName id="E25C0A92FFB9FFF6FEE1F988FE11F9CD" box="[291,429,1633,1659]" pageId="26" pageNumber="27">Sapporo-shi</collectorName>
,
<collectorName id="E25C0A92FFB9FFF6FE7EF988FD9DF9CD" box="[444,545,1633,1659]" pageId="26" pageNumber="27">Chuo-ku</collectorName>
,
<collectorName id="E25C0A92FFB9FFF6FDF2F988FD35F9CD" box="[560,649,1633,1659]" pageId="26" pageNumber="27">Minami</collectorName>
13-jo,
<collectorName id="E25C0A92FFB9FFF6FD22F988FCA1F9CD" box="[736,797,1633,1659]" pageId="26" pageNumber="27">Nishi</collectorName>
1-chome,
<collectorName id="E25C0A92FFB9FFF6FC58F988FBC2F9CD" box="[922,1150,1633,1659]" pageId="26" pageNumber="27">Toyohira-gawa Riv.</collectorName>
, mainstream,
<elevation id="C4848877FFB9FFF6FAE3F988FA21F9CD" box="[1313,1437,1633,1660]" metricMagnitude="1" metricUnit="m" metricValue="2.8" pageId="26" pageNumber="27" unit="m" value="28.0">
<quantity id="8851C2A1FFB9FFF6FAE3F988FAE2F9CA" box="[1313,1374,1633,1660]" metricMagnitude="1" metricUnit="m" metricValue="2.8" pageId="26" pageNumber="27" unit="m" value="28.0">28 m</quantity>
a.s.l.
</elevation>
(
<geoCoordinate id="2A9D0983FFB9FFF6FF5DF96CFE87F916" box="[159,315,1669,1696]" degrees="43" direction="north" minutes="02" orientation="latitude" pageId="26" pageNumber="27" precision="1" seconds="35.3" value="43.043137">43°02'35.3&quot;N</geoCoordinate>
,
<geoCoordinate id="2A9D0983FFB9FFF6FE85F96CFE52F929" box="[327,494,1669,1695]" degrees="141" direction="east" minutes="21" orientation="longitude" pageId="26" pageNumber="27" precision="1" seconds="31.7" value="141.35881">141°21'31.7&quot;E</geoCoordinate>
), 2 mature male nymphs and 4 mature female nymphs,
<date id="3B174984FFB9FFF6FB9AF96CFB51F929" box="[1112,1261,1669,1695]" pageId="26" pageNumber="27" value="2020-08-19">
<collectingDate id="2B53B06CFFB9FFF6FB9AF96CFB51F929" box="[1112,1261,1669,1695]" pageId="26" pageNumber="27" value="2020-08-19">19.VIII.2020</collectingDate>
</date>
,
<collectionCode id="29B8F781FFB9FFF6FB3AF96FFAB6F916" box="[1272,1290,1670,1696]" name="Tavera, Department of Geology and Geophysics" pageId="26" pageNumber="27">T</collectionCode>
.
<collectorName id="E25C0A92FFB9FFF6FAD6F96CFA24F929" box="[1300,1432,1669,1695]" pageId="26" pageNumber="27">Takayanagi</collectorName>
; ditto,
<specimenCount id="59AFA4CDFFB9FFF6FF1AF940FE9FF975" box="[216,291,1705,1731]" count="1" pageId="26" pageNumber="27" type="male">1 male</specimenCount>
mature nymph and
<specimenCount id="59AFA4CDFFB9FFF6FDC3F940FDDEF975" box="[513,610,1705,1731]" count="1" pageId="26" pageNumber="27" type="female">1 female</specimenCount>
mature nymph,
<date id="3B174984FFB9FFF6FCDAF940FC10F975" box="[792,940,1705,1731]" pageId="26" pageNumber="27" value="2021-08-08">
<collectingDate id="2B53B06CFFB9FFF6FCDAF940FC10F975" box="[792,940,1705,1731]" pageId="26" pageNumber="27" value="2021-08-08">08.VIII.2021</collectingDate>
</date>
,
<collectionCode id="29B8F781FFB9FFF6FC75F943FC75F972" box="[951,969,1706,1732]" name="Tavera, Department of Geology and Geophysics" pageId="26" pageNumber="27">T</collectionCode>
.
<location id="4A76399FFFB9FFF6FC11F940FBEBF975" LSID="urn:lsid:plazi:treatment:C700DE52FFB9FFF2FF55FD5AFF64FD1F:4A76399FFFB9FFF6FC11F940FBEBF975" box="[979,1111,1705,1731]" country="Japan" county="Sapporo-shi" latitude="43.068" longLatPrecision="1" longitude="141.387" municipality="Minami-ku" name="Takayanagi" pageId="26" pageNumber="27" stateProvince="Hokkaido">Takayanagi</location>
;
<emphasis id="7DDDB356FFB9FFF6FBA0F940FB24F975" bold="true" box="[1122,1176,1705,1731]" pageId="26" pageNumber="27">[16.]</emphasis>
<location id="4A76399FFFB9FFF6FB5CF940FA94F975" LSID="urn:lsid:plazi:treatment:C700DE52FFB9FFF2FF55FD5AFF64FD1F:4A76399FFFB9FFF6FB5CF940FA94F975" box="[1182,1320,1705,1731]" country="Japan" county="Sapporo-shi" latitude="43.068" longLatPrecision="1" longitude="141.387" municipality="Minami-ku" name="Sapporo-shi" pageId="26" pageNumber="27" stateProvince="Hokkaido">Sapporo-shi</location>
,
<location id="4A76399FFFB9FFF6FAF1F940FA24F975" LSID="urn:lsid:plazi:treatment:C700DE52FFB9FFF2FF55FD5AFF64FD1F:4A76399FFFB9FFF6FAF1F940FA24F975" box="[1331,1432,1705,1731]" country="Japan" county="Sapporo-shi" latitude="43.068" longLatPrecision="1" longitude="141.387" municipality="Minami-ku" name="Chuo-ku" pageId="26" pageNumber="27" stateProvince="Hokkaido">Chuo-ku</location>
,
<location id="4A76399FFFB9FFF6FF55F924FF7BF951" LSID="urn:lsid:plazi:treatment:C700DE52FFB9FFF2FF55FD5AFF64FD1F:4A76399FFFB9FFF6FF55F924FF7BF951" box="[151,199,1741,1767]" country="Japan" county="Sapporo-shi" latitude="43.068" longLatPrecision="1" longitude="141.387" municipality="Minami-ku" name="Kita" pageId="26" pageNumber="27" stateProvince="Hokkaido">Kita</location>
1-jo,
<location id="4A76399FFFB9FFF6FEC5F924FEE2F951" LSID="urn:lsid:plazi:treatment:C700DE52FFB9FFF2FF55FD5AFF64FD1F:4A76399FFFB9FFF6FEC5F924FEE2F951" box="[263,350,1741,1767]" country="Japan" county="Sapporo-shi" latitude="43.068" longLatPrecision="1" longitude="141.387" municipality="Minami-ku" name="Higashi" pageId="26" pageNumber="27" stateProvince="Hokkaido">Higashi</location>
19-chome, Toyohira-gawa Riv., mainstream,
<elevation id="C4848877FFB9FFF6FC98F924FC70F951" box="[858,972,1741,1768]" metricMagnitude="1" metricUnit="m" metricValue="1.5" pageId="26" pageNumber="27" unit="m" value="15.0">
<quantity id="8851C2A1FFB9FFF6FC98F924FC2EF95E" box="[858,914,1741,1768]" metricMagnitude="1" metricUnit="m" metricValue="1.5" pageId="26" pageNumber="27" unit="m" value="15.0">15 m</quantity>
a.s.l.
</elevation>
(
<geoCoordinate id="2A9D0983FFB9FFF6FC18F924FBCAF951" box="[986,1142,1741,1767]" degrees="43" direction="north" minutes="04" orientation="latitude" pageId="26" pageNumber="27" precision="1" seconds="04.8" value="43.068">43°04'04.8&quot;N</geoCoordinate>
,
<geoCoordinate id="2A9D0983FFB9FFF6FB43F924FA9BF951" box="[1153,1319,1741,1767]" degrees="141" direction="east" minutes="23" orientation="longitude" pageId="26" pageNumber="27" precision="1" seconds="13.2" value="141.387">141°23'13.2&quot;E</geoCoordinate>
), 1 mature male nymph and 1 mature female nymph,
<date id="3B174984FFB9FFF6FDB0F918FCBAF8BD" box="[626,774,1777,1803]" pageId="26" pageNumber="27" value="2021-08-21">
<collectingDate id="2B53B06CFFB9FFF6FDB0F918FCBAF8BD" box="[626,774,1777,1803]" pageId="26" pageNumber="27" value="2021-08-21">21.VIII.2021</collectingDate>
</date>
,
<collectionCode id="29B8F781FFB9FFF6FCD3F91BFC9FF8BA" box="[785,803,1778,1804]" name="Tavera, Department of Geology and Geophysics" pageId="26" pageNumber="27">T</collectionCode>
. Takayanagi
</materialsCitation>
.
</paragraph>
<paragraph id="4F166F44FFB9FFF6FF05F8FCFCDDF899" blockId="26.[151,1437,1417,1876]" box="[199,865,1813,1839]" pageId="26" pageNumber="27">
<emphasis id="7DDDB356FFB9FFF6FF05F8FCFCDDF899" bold="true" box="[199,865,1813,1839]" pageId="26" pageNumber="27">
Nymph (mature, in ethanol), redescription (
<figureCitation id="D79273C1FFB9FFF6FD12F8FCFCE8F899" box="[720,852,1813,1839]" captionStart-0="FIGURE 20" captionStart-1="FIGURE 21" captionStart-2="FIGURE 22" captionStartId-0="27.[151,250,1497,1521]" captionStartId-1="28.[151,250,1179,1203]" captionStartId-2="29.[151,250,1635,1659]" captionTargetBox-0="[154,1433,187,1472]" captionTargetBox-1="[154,1432,528,1152]" captionTargetBox-2="[169,1423,321,1598]" captionTargetId-0="figure-19@27.[151,1435,181,1472]" captionTargetId-1="figure-171@28.[151,1435,525,1155]" captionTargetId-2="figure-81@29.[159,1428,309,1612]" captionTargetPageId-0="27" captionTargetPageId-1="28" captionTargetPageId-2="29" captionText-0="FIGURE 20af. Epeorus nipponicus, mature nymph, habitus. a. Male, dorsal view; b. Male, ventral view; c. Male, lateral view; d. Female, dorsal view; e. Female, ventral view; f. Female, lateral view. Scales: af 2 mm." captionText-1="FIGURE 21ad. Epeorus nipponicus, mature nymph. a. Male head, dorsal view; b. Female head, dorsal view; c. Right middle leg, anterior face; d. Gills IVII (from right to left), dorsal view. Scales: ad 1mm." captionText-2="FIGURE 22aj. Epeorus nipponicus, nymph. a. Labrum (left half in ventral view, right half in dorsal view); b. Incisors of right mandible (ventral view); c. Incisors of left mandible (ventral view); d. Setae on dorsal surface of femora; e. Gill I; f. Gill II; g. Gill VII; h. Sternum IX of male; i. Sternum IX of female; j. Posterior margin of tergum VII." figureDoi-0="http://doi.org/10.5281/zenodo.14954029" figureDoi-1="http://doi.org/10.5281/zenodo.14954031" figureDoi-2="http://doi.org/10.5281/zenodo.14954033" httpUri-0="https://zenodo.org/record/14954029/files/figure.png" httpUri-1="https://zenodo.org/record/14954031/files/figure.png" httpUri-2="https://zenodo.org/record/14954033/files/figure.png" pageId="26" pageNumber="27">Figs 2022</figureCitation>
).
</emphasis>
</paragraph>
<paragraph id="4F166F44FFB9FFF6FF05F8D0FB48F8E5" blockId="26.[151,1437,1417,1876]" box="[199,1268,1849,1876]" pageId="26" pageNumber="27">Body length 11.0 mm (male), 10.012.0 mm (female). Cercus length ca. body length x 1.31.4.</paragraph>
<caption id="1BD63FCCFFB8FFF7FF55FA30FB91F9A3" ID-DOI="http://doi.org/10.5281/zenodo.14954029" ID-Zenodo-Dep="14954029" httpUri="https://zenodo.org/record/14954029/files/figure.png" pageId="27" pageNumber="28" startId="27.[151,250,1497,1521]" targetBox="[154,1433,187,1472]" targetPageId="27" targetType="figure">
<paragraph id="4F166F44FFB8FFF7FF55FA30FB91F9A3" blockId="27.[151,1436,1497,1557]" pageId="27" pageNumber="28">
<emphasis id="7DDDB356FFB8FFF7FF55FA30FEFCFA47" bold="true" box="[151,320,1497,1521]" pageId="27" pageNumber="28">FIGURE 20af.</emphasis>
<taxonomicName id="88A914C7FFB8FFF7FE84FA33FDB3FA47" baseAuthorityName="Ueno" baseAuthorityYear="1931" box="[326,527,1498,1521]" class="Insecta" family="Heptageniidae" genus="Epeorus" kingdom="Animalia" order="Ephemeroptera" pageId="27" pageNumber="28" phylum="Arthropoda" rank="species" species="nipponicus">
<emphasis id="7DDDB356FFB8FFF7FE84FA33FDB3FA47" box="[326,527,1498,1521]" italics="true" pageId="27" pageNumber="28">Epeorus nipponicus</emphasis>
</taxonomicName>
, mature nymph, habitus.
<emphasis id="7DDDB356FFB8FFF7FCCFFA30FC9CFA47" bold="true" box="[781,800,1497,1521]" pageId="27" pageNumber="28">a.</emphasis>
Male, dorsal view;
<emphasis id="7DDDB356FFB8FFF7FC24FA30FC46FA47" bold="true" box="[998,1018,1497,1521]" pageId="27" pageNumber="28">b.</emphasis>
Male, ventral view;
<emphasis id="7DDDB356FFB8FFF7FB0BFA30FB66FA47" bold="true" box="[1225,1242,1497,1521]" pageId="27" pageNumber="28">c.</emphasis>
Male, lateral view;
<emphasis id="7DDDB356FFB8FFF7FF55FA14FF10F9A3" bold="true" box="[151,172,1533,1557]" pageId="27" pageNumber="28">d.</emphasis>
Female, dorsal view;
<emphasis id="7DDDB356FFB8FFF7FE4EFA14FE21F9A3" bold="true" box="[396,413,1533,1557]" pageId="27" pageNumber="28">e.</emphasis>
Female, ventral view;
<emphasis id="7DDDB356FFB8FFF7FD44FA14FD2AF9A3" bold="true" box="[646,662,1533,1557]" pageId="27" pageNumber="28">f.</emphasis>
Female, lateral view.
<emphasis id="7DDDB356FFB8FFF7FCB7FA14FC0BF9A3" bold="true" box="[885,951,1533,1557]" pageId="27" pageNumber="28">Scales</emphasis>
: af 2 mm.
</paragraph>
</caption>
<paragraph id="4F166F44FFB8FFF0FF05F98EFEE1FEAB" blockId="27.[151,1437,1639,2026]" lastBlockId="28.[151,1437,151,501]" lastPageId="28" lastPageNumber="29" pageId="27" pageNumber="28">
<emphasis id="7DDDB356FFB8FFF7FF05F98EFEB0F934" bold="true" box="[199,268,1639,1666]" italics="true" pageId="27" pageNumber="28">Head.</emphasis>
Shape trapezoidal. Color dark-brown, with white markings. Compound eyes dark gray. Ocelli dark gray. Antennae white, basally brown or completely brown. Anterior margin densely covered with fine hair-like setae extending to lateral margins. Dorsal surface of head covered with fine hair-like setae (
<figureCitation id="D79273C1FFB8FFF7FB5EF946FAA0F97F" box="[1180,1308,1711,1737]" captionStart="FIGURE 21" captionStartId="28.[151,250,1179,1203]" captionTargetBox="[154,1432,528,1152]" captionTargetId="figure-171@28.[151,1435,525,1155]" captionTargetPageId="28" captionText="FIGURE 21ad. Epeorus nipponicus, mature nymph. a. Male head, dorsal view; b. Female head, dorsal view; c. Right middle leg, anterior face; d. Gills IVII (from right to left), dorsal view. Scales: ad 1mm." figureDoi="http://doi.org/10.5281/zenodo.14954031" httpUri="https://zenodo.org/record/14954031/files/figure.png" pageId="27" pageNumber="28">Figs 21a, b</figureCitation>
).
<emphasis id="7DDDB356FFB8FFF7FAF3F946FA29F97F" bold="true" box="[1329,1429,1711,1737]" pageId="27" pageNumber="28">Labrum</emphasis>
: anterior and lateral margins evenly convex, anterior margin medially concave. Ventral surface with a row of bristles along lateral margins extending to anterior margins, row of short setae and brush of median fine hair-like setae on each side. Dorsal surface with six long adjacent bristles medially and two long bristles near each side of antero-lateral margin, and scattered variable-length setae (
<figureCitation id="D79273C1FFB8FFF7FD16F8D6FC88F8EF" box="[724,820,1855,1881]" captionStart="FIGURE 22" captionStartId="29.[151,250,1635,1659]" captionTargetBox="[169,1423,321,1598]" captionTargetId="figure-81@29.[159,1428,309,1612]" captionTargetPageId="29" captionText="FIGURE 22aj. Epeorus nipponicus, nymph. a. Labrum (left half in ventral view, right half in dorsal view); b. Incisors of right mandible (ventral view); c. Incisors of left mandible (ventral view); d. Setae on dorsal surface of femora; e. Gill I; f. Gill II; g. Gill VII; h. Sternum IX of male; i. Sternum IX of female; j. Posterior margin of tergum VII." figureDoi="http://doi.org/10.5281/zenodo.14954033" httpUri="https://zenodo.org/record/14954033/files/figure.png" pageId="27" pageNumber="28">Fig. 22a</figureCitation>
).
<emphasis id="7DDDB356FFB8FFF7FC8AF8D6FC7AF8EF" bold="true" box="[840,966,1855,1881]" pageId="27" pageNumber="28">Mandibles</emphasis>
: each outer incisor with three apical teeth (right mandible) or two apical teeth (left mandible) and serrated margins, inner incisor with two apical teeth (right mandible) or three apical teeth (left mandible) and outer margin of both inner incisors sharply serrated, right inner incisor slender and almost straight. Tuft of long setae on the base of inner incisor of right mandible, tuft of long setae and one plumose seta on the base of inner incisor of left mandible (
<figureCitation id="D79273C1FFB8FFF7FC1CF826FBDDF85F" box="[990,1121,1999,2025]" captionStart="FIGURE 22" captionStartId="29.[151,250,1635,1659]" captionTargetBox="[169,1423,321,1598]" captionTargetId="figure-81@29.[159,1428,309,1612]" captionTargetPageId="29" captionText="FIGURE 22aj. Epeorus nipponicus, nymph. a. Labrum (left half in ventral view, right half in dorsal view); b. Incisors of right mandible (ventral view); c. Incisors of left mandible (ventral view); d. Setae on dorsal surface of femora; e. Gill I; f. Gill II; g. Gill VII; h. Sternum IX of male; i. Sternum IX of female; j. Posterior margin of tergum VII." figureDoi="http://doi.org/10.5281/zenodo.14954033" httpUri="https://zenodo.org/record/14954033/files/figure.png" pageId="27" pageNumber="28">Figs 22b, c</figureCitation>
).
<emphasis id="7DDDB356FFB8FFF7FBBAF826FB5CF85F" bold="true" box="[1144,1248,1999,2025]" pageId="27" pageNumber="28">Maxillae</emphasis>
: One penicillate seta at base of apical tooth complex (
<figureCitation id="D79273C1FFBFFFF0FDFAFF7EFD26FF07" box="[568,666,151,177]" captionStart="FIGURE 28" captionStartId="36.[151,250,1106,1130]" captionTargetBox="[154,1433,184,1083]" captionTargetId="figure-20@36.[151,1436,181,1083]" captionTargetPageId="36" captionText="FIGURE 28ae. Setae at the base of apical tooth of maxilla (left half right, right half left). a. Epeorus latifolium; b. E. L-nigrum; c. E. curvatulus; d. E. nipponicus; e. E. aesculus." figureDoi="http://doi.org/10.5281/zenodo.14954045" httpUri="https://zenodo.org/record/14954045/files/figure.png" pageId="28" pageNumber="29">Fig. 28d</figureCitation>
).
<emphasis id="7DDDB356FFBFFFF0FD6CFF7EFCE8FF07" bold="true" box="[686,852,151,177]" pageId="28" pageNumber="29">Hypopharynx</emphasis>
: superlinguae distally widened, lingua subquadrate.
<emphasis id="7DDDB356FFBFFFF0FF55FF53FF4AFF62" bold="true" box="[151,246,186,212]" pageId="28" pageNumber="29">Labium</emphasis>
: Labial palps two segmented, outer margin of proximal one with sparse, thick setae. Distal segment with sparse, hair-like setae on outer surface and dense, brush-like setae on distal 1/3 area. Glossae and paraglossae with long, dense setae.
</paragraph>
</subSubSection>
<subSubSection id="07B33CCFFFBFFFF0FF05FECFFC83F91D" pageId="28" pageNumber="29" type="description">
<paragraph id="4F166F44FFBFFFF0FF05FECFFD4FFE43" blockId="28.[151,1437,151,501]" pageId="28" pageNumber="29">
<emphasis id="7DDDB356FFBFFFF0FF05FECFFE9FFEF7" bold="true" box="[199,291,294,321]" italics="true" pageId="28" pageNumber="29">Thorax.</emphasis>
Color dark brown dorsally, white ventrally (
<figureCitation id="D79273C1FFBFFFF0FCEAFECEFCC3FEF7" box="[808,895,295,321]" captionStart="FIGURE 20" captionStartId="27.[151,250,1497,1521]" captionTargetBox="[154,1433,187,1472]" captionTargetId="figure-19@27.[151,1435,181,1472]" captionTargetPageId="27" captionText="FIGURE 20af. Epeorus nipponicus, mature nymph, habitus. a. Male, dorsal view; b. Male, ventral view; c. Male, lateral view; d. Female, dorsal view; e. Female, ventral view; f. Female, lateral view. Scales: af 2 mm." figureDoi="http://doi.org/10.5281/zenodo.14954029" httpUri="https://zenodo.org/record/14954029/files/figure.png" pageId="28" pageNumber="29">Fig. 20</figureCitation>
). Pronotum margin roundly projecting laterally (
<figureCitation id="D79273C1FFBFFFF0FF5DFEA2FEBEFED3" box="[159,258,331,357]" captionStart="FIGURE 29" captionStartId="36.[151,250,1557,1581]" captionTargetBox="[152,1428,1237,1525]" captionTargetId="figure-62@36.[151,1436,1227,1533]" captionTargetPageId="36" captionText="FIGURE 29ad. Lateral margin of pronotum, left. a. Epeorus latifolium, and E. L-nigrum; b. E. curvatulus; c. E. nipponicus; d. E. aesculus." figureDoi="http://doi.org/10.5281/zenodo.14954047" httpUri="https://zenodo.org/record/14954047/files/figure.png" pageId="28" pageNumber="29">Fig. 29c</figureCitation>
).
<emphasis id="7DDDB356FFBFFFF0FED5FEA2FEEAFED3" bold="true" box="[279,342,331,357]" pageId="28" pageNumber="29">Legs.</emphasis>
Each femur with dark brown markings and a hypodermal black spot on middle part of anterior face (
<figureCitation id="D79273C1FFBFFFF0FF16FE86FE8EFE3F" box="[212,306,367,393]" captionStart="FIGURE 21" captionStartId="28.[151,250,1179,1203]" captionTargetBox="[154,1432,528,1152]" captionTargetId="figure-171@28.[151,1435,525,1155]" captionTargetPageId="28" captionText="FIGURE 21ad. Epeorus nipponicus, mature nymph. a. Male head, dorsal view; b. Female head, dorsal view; c. Right middle leg, anterior face; d. Gills IVII (from right to left), dorsal view. Scales: ad 1mm." figureDoi="http://doi.org/10.5281/zenodo.14954031" httpUri="https://zenodo.org/record/14954031/files/figure.png" pageId="28" pageNumber="29">Fig. 21c</figureCitation>
), blade-like long setae on dorsal edge, and short bluntly pointed spines on ventral edge. Femoral setae diversely shaped: semi-oblong, maize-grain-shape or semi-circular (
<figureCitation id="D79273C1FFBFFFF0FC49FE7AFC50FE1B" box="[907,1004,403,429]" captionStart="FIGURE 22" captionStartId="29.[151,250,1635,1659]" captionTargetBox="[169,1423,321,1598]" captionTargetId="figure-81@29.[159,1428,309,1612]" captionTargetPageId="29" captionText="FIGURE 22aj. Epeorus nipponicus, nymph. a. Labrum (left half in ventral view, right half in dorsal view); b. Incisors of right mandible (ventral view); c. Incisors of left mandible (ventral view); d. Setae on dorsal surface of femora; e. Gill I; f. Gill II; g. Gill VII; h. Sternum IX of male; i. Sternum IX of female; j. Posterior margin of tergum VII." figureDoi="http://doi.org/10.5281/zenodo.14954033" httpUri="https://zenodo.org/record/14954033/files/figure.png" pageId="28" pageNumber="29">Fig. 22d</figureCitation>
). Tibia with two dark-brown markings, long hair like setae on its dorsal edge (
<figureCitation id="D79273C1FFBFFFF0FD93FE5EFD0EFE67" box="[593,690,439,465]" captionStart="FIGURE 21" captionStartId="28.[151,250,1179,1203]" captionTargetBox="[154,1432,528,1152]" captionTargetId="figure-171@28.[151,1435,525,1155]" captionTargetPageId="28" captionText="FIGURE 21ad. Epeorus nipponicus, mature nymph. a. Male head, dorsal view; b. Female head, dorsal view; c. Right middle leg, anterior face; d. Gills IVII (from right to left), dorsal view. Scales: ad 1mm." figureDoi="http://doi.org/10.5281/zenodo.14954031" httpUri="https://zenodo.org/record/14954031/files/figure.png" pageId="28" pageNumber="29">Fig. 21c</figureCitation>
). Tarsus darker in proximal area, long hair like setae on its dorsal edge (
<figureCitation id="D79273C1FFBFFFF0FF19FE32FE80FE43" box="[219,316,475,501]" captionStart="FIGURE 21" captionStartId="28.[151,250,1179,1203]" captionTargetBox="[154,1432,528,1152]" captionTargetId="figure-171@28.[151,1435,525,1155]" captionTargetPageId="28" captionText="FIGURE 21ad. Epeorus nipponicus, mature nymph. a. Male head, dorsal view; b. Female head, dorsal view; c. Right middle leg, anterior face; d. Gills IVII (from right to left), dorsal view. Scales: ad 1mm." figureDoi="http://doi.org/10.5281/zenodo.14954031" httpUri="https://zenodo.org/record/14954031/files/figure.png" pageId="28" pageNumber="29">Fig. 21c</figureCitation>
). Tarsal claw with four small denticles.
</paragraph>
<caption id="1BD63FCCFFBFFFF0FF55FB72FC62FB61" ID-DOI="http://doi.org/10.5281/zenodo.14954031" ID-Zenodo-Dep="14954031" httpUri="https://zenodo.org/record/14954031/files/figure.png" pageId="28" pageNumber="29" startId="28.[151,250,1179,1203]" targetBox="[154,1432,528,1152]" targetPageId="28" targetType="figure">
<paragraph id="4F166F44FFBFFFF0FF55FB72FC62FB61" blockId="28.[151,1436,1179,1239]" pageId="28" pageNumber="29">
<emphasis id="7DDDB356FFBFFFF0FF55FB72FEFBFB05" bold="true" box="[151,327,1179,1203]" pageId="28" pageNumber="29">FIGURE 21ad.</emphasis>
<taxonomicName id="88A914C7FFBFFFF0FE8FFB75FDABFB04" baseAuthorityName="Ueno" baseAuthorityYear="1931" box="[333,535,1179,1203]" class="Insecta" family="Heptageniidae" genus="Epeorus" kingdom="Animalia" order="Ephemeroptera" pageId="28" pageNumber="29" phylum="Arthropoda" rank="species" species="nipponicus">
<emphasis id="7DDDB356FFBFFFF0FE8FFB75FDABFB04" box="[333,535,1179,1203]" italics="true" pageId="28" pageNumber="29">Epeorus nipponicus</emphasis>
</taxonomicName>
, mature nymph.
<emphasis id="7DDDB356FFBFFFF0FD01FB72FD6AFB05" bold="true" box="[707,726,1179,1203]" pageId="28" pageNumber="29">a.</emphasis>
Male head, dorsal view;
<emphasis id="7DDDB356FFBFFFF0FC17FB72FC56FB05" bold="true" box="[981,1002,1179,1203]" pageId="28" pageNumber="29">b.</emphasis>
Female head, dorsal view;
<emphasis id="7DDDB356FFBFFFF0FAC2FB72FAADFB05" bold="true" box="[1280,1297,1179,1203]" pageId="28" pageNumber="29">c.</emphasis>
Right middle leg, anterior face;
<emphasis id="7DDDB356FFBFFFF0FE8DFB56FED8FB61" bold="true" box="[335,356,1215,1239]" pageId="28" pageNumber="29">d.</emphasis>
Gills IVII (from right to left), dorsal view.
<emphasis id="7DDDB356FFBFFFF0FCEAFB57FCD6FB60" bold="true" box="[808,874,1214,1238]" pageId="28" pageNumber="29">Scales</emphasis>
: ad 1mm.
</paragraph>
</caption>
<paragraph id="4F166F44FFBFFFF0FF05FAC1FB7FF931" blockId="28.[151,1437,1320,2032]" pageId="28" pageNumber="29">
<emphasis id="7DDDB356FFBFFFF0FF05FAC1FE80FAF5" bold="true" box="[199,316,1320,1347]" italics="true" pageId="28" pageNumber="29">Abdomen.</emphasis>
Terga dark-brown, each tergum with a pair of dark spots (
<figureCitation id="D79273C1FFBFFFF0FC11FAC0FBE9FAF5" box="[979,1109,1321,1347]" captionStart="FIGURE 20" captionStartId="27.[151,250,1497,1521]" captionTargetBox="[154,1433,187,1472]" captionTargetId="figure-19@27.[151,1435,181,1472]" captionTargetPageId="27" captionText="FIGURE 20af. Epeorus nipponicus, mature nymph, habitus. a. Male, dorsal view; b. Male, ventral view; c. Male, lateral view; d. Female, dorsal view; e. Female, ventral view; f. Female, lateral view. Scales: af 2 mm." figureDoi="http://doi.org/10.5281/zenodo.14954029" httpUri="https://zenodo.org/record/14954029/files/figure.png" pageId="28" pageNumber="29">Figs 20a, d</figureCitation>
). Sterna white, each sternum with a pair of slightly blackish spots (
<figureCitation id="D79273C1FFBFFFF0FD82FAA4FD7DFAD1" box="[576,705,1357,1383]" captionStart="FIGURE 20" captionStartId="27.[151,250,1497,1521]" captionTargetBox="[154,1433,187,1472]" captionTargetId="figure-19@27.[151,1435,181,1472]" captionTargetPageId="27" captionText="FIGURE 20af. Epeorus nipponicus, mature nymph, habitus. a. Male, dorsal view; b. Male, ventral view; c. Male, lateral view; d. Female, dorsal view; e. Female, ventral view; f. Female, lateral view. Scales: af 2 mm." figureDoi="http://doi.org/10.5281/zenodo.14954029" httpUri="https://zenodo.org/record/14954029/files/figure.png" pageId="28" pageNumber="29">Figs 20b, e</figureCitation>
). Each tergum with a pair of rows of sparse long setae located to each side of midline. Posterior margin of each segment with several long setae and diversely shaped spines which are pointed, blunt or spatulate and arranged in an irregular line, overlapping in 23 levels (
<figureCitation id="D79273C1FFBFFFF0FB55FA7CFB4BFA19" box="[1175,1271,1429,1455]" captionStart="FIGURE 22" captionStartId="29.[151,250,1635,1659]" captionTargetBox="[169,1423,321,1598]" captionTargetId="figure-81@29.[159,1428,309,1612]" captionTargetPageId="29" captionText="FIGURE 22aj. Epeorus nipponicus, nymph. a. Labrum (left half in ventral view, right half in dorsal view); b. Incisors of right mandible (ventral view); c. Incisors of left mandible (ventral view); d. Setae on dorsal surface of femora; e. Gill I; f. Gill II; g. Gill VII; h. Sternum IX of male; i. Sternum IX of female; j. Posterior margin of tergum VII." figureDoi="http://doi.org/10.5281/zenodo.14954033" httpUri="https://zenodo.org/record/14954033/files/figure.png" pageId="28" pageNumber="29">Figs 22j</figureCitation>
,
<figureCitation id="D79273C1FFBFFFF0FAC1FA7CFA8DFA19" box="[1283,1329,1429,1455]" captionStart="FIGURE 31" captionStartId="38.[151,250,1520,1544]" captionTargetBox="[153,1432,184,1492]" captionTargetId="figure-20@38.[151,1435,181,1495]" captionTargetPageId="38" captionText="FIGURE 31ae. SEM images of abdominal tergum VII (left half). a. Epeorus latifolium; b. E. L-nigrum; c. E. curvatulus; d. E. nipponicus; e. E. aesculus. Scales: ae 50 µm." figureDoi="http://doi.org/10.5281/zenodo.14954051" httpUri="https://zenodo.org/record/14954051/files/figure.png" pageId="28" pageNumber="29">31d</figureCitation>
). Each of terga IVII with three postero-lateral projections, ventral and dorsal ones blunt, lateral one short-tipped (
<figureCitation id="D79273C1FFBFFFF0FAEFFA50FA2CFA65" box="[1325,1424,1465,1491]" captionStart="FIGURE 30" captionStartId="37.[151,250,1300,1324]" captionTargetBox="[163,1425,193,1260]" captionTargetId="figure-19@37.[151,1435,181,1276]" captionTargetPageId="37" captionText="FIGURE 30af. Postero-lateral projections of abdominal tergum IV, dorsal (left) and lateral (right). a. Epeorus latifolium; b. E. L-nigrum; c. E. curvatulus; d. E. nipponicus; e. E. aesculus; f. Correspondence of projections from a different view (dotted lines)." figureDoi="http://doi.org/10.5281/zenodo.14954049" httpUri="https://zenodo.org/record/14954049/files/figure.png" pageId="28" pageNumber="29">Fig. 30d</figureCitation>
). Posterior margin of sternum IX round with relatively rounded emargination (
<figureCitation id="D79273C1FFBFFFF0FC38FA34FBC8FA41" box="[1018,1140,1501,1527]" captionStart="FIGURE 22" captionStartId="29.[151,250,1635,1659]" captionTargetBox="[169,1423,321,1598]" captionTargetId="figure-81@29.[159,1428,309,1612]" captionTargetPageId="29" captionText="FIGURE 22aj. Epeorus nipponicus, nymph. a. Labrum (left half in ventral view, right half in dorsal view); b. Incisors of right mandible (ventral view); c. Incisors of left mandible (ventral view); d. Setae on dorsal surface of femora; e. Gill I; f. Gill II; g. Gill VII; h. Sternum IX of male; i. Sternum IX of female; j. Posterior margin of tergum VII." figureDoi="http://doi.org/10.5281/zenodo.14954033" httpUri="https://zenodo.org/record/14954033/files/figure.png" pageId="28" pageNumber="29">Figs 22h, i</figureCitation>
). Dorsal surface of cercus with a row of fine setae.
<emphasis id="7DDDB356FFBFFFF0FE78F9E8FE45F9AD" bold="true" box="[442,505,1537,1563]" pageId="28" pageNumber="29">Gills.</emphasis>
Costal and posterior half part of each gill brown (
<figureCitation id="D79273C1FFBFFFF0FB83F9E8FB19F9AD" box="[1089,1189,1537,1563]" captionStart="FIGURE 21" captionStartId="28.[151,250,1179,1203]" captionTargetBox="[154,1432,528,1152]" captionTargetId="figure-171@28.[151,1435,525,1155]" captionTargetPageId="28" captionText="FIGURE 21ad. Epeorus nipponicus, mature nymph. a. Male head, dorsal view; b. Female head, dorsal view; c. Right middle leg, anterior face; d. Gills IVII (from right to left), dorsal view. Scales: ad 1mm." figureDoi="http://doi.org/10.5281/zenodo.14954031" httpUri="https://zenodo.org/record/14954031/files/figure.png" pageId="28" pageNumber="29">Fig. 21d</figureCitation>
). Gill I not anteriorly elongate (
<figureCitation id="D79273C1FFBFFFF0FEC5F9CCFED6F989" box="[263,362,1573,1599]" captionStart="FIGURE 22" captionStartId="29.[151,250,1635,1659]" captionTargetBox="[169,1423,321,1598]" captionTargetId="figure-81@29.[159,1428,309,1612]" captionTargetPageId="29" captionText="FIGURE 22aj. Epeorus nipponicus, nymph. a. Labrum (left half in ventral view, right half in dorsal view); b. Incisors of right mandible (ventral view); c. Incisors of left mandible (ventral view); d. Setae on dorsal surface of femora; e. Gill I; f. Gill II; g. Gill VII; h. Sternum IX of male; i. Sternum IX of female; j. Posterior margin of tergum VII." figureDoi="http://doi.org/10.5281/zenodo.14954033" httpUri="https://zenodo.org/record/14954033/files/figure.png" pageId="28" pageNumber="29">Fig. 22e</figureCitation>
). Gills IIVII oval (
<figureCitation id="D79273C1FFBFFFF0FD8DF9CCFD73F989" box="[591,719,1573,1599]" captionStart="FIGURE 22" captionStartId="29.[151,250,1635,1659]" captionTargetBox="[169,1423,321,1598]" captionTargetId="figure-81@29.[159,1428,309,1612]" captionTargetPageId="29" captionText="FIGURE 22aj. Epeorus nipponicus, nymph. a. Labrum (left half in ventral view, right half in dorsal view); b. Incisors of right mandible (ventral view); c. Incisors of left mandible (ventral view); d. Setae on dorsal surface of femora; e. Gill I; f. Gill II; g. Gill VII; h. Sternum IX of male; i. Sternum IX of female; j. Posterior margin of tergum VII." figureDoi="http://doi.org/10.5281/zenodo.14954033" httpUri="https://zenodo.org/record/14954033/files/figure.png" pageId="28" pageNumber="29">Figs 22f, g</figureCitation>
). Costal margin of gill I with fine setae. Costal margin of gills IIVII with small spines and fine setae forming a rough surface. Gill IIVII with anal ribs on anal margin. Each gill plate with filaments forming a fan-shape together. Gill VII without longitudinal fold (
<figureCitation id="D79273C1FFBFFFF0FB97F984FB0BF931" box="[1109,1207,1645,1671]" captionStart="FIGURE 22" captionStartId="29.[151,250,1635,1659]" captionTargetBox="[169,1423,321,1598]" captionTargetId="figure-81@29.[159,1428,309,1612]" captionTargetPageId="29" captionText="FIGURE 22aj. Epeorus nipponicus, nymph. a. Labrum (left half in ventral view, right half in dorsal view); b. Incisors of right mandible (ventral view); c. Incisors of left mandible (ventral view); d. Setae on dorsal surface of femora; e. Gill I; f. Gill II; g. Gill VII; h. Sternum IX of male; i. Sternum IX of female; j. Posterior margin of tergum VII." figureDoi="http://doi.org/10.5281/zenodo.14954033" httpUri="https://zenodo.org/record/14954033/files/figure.png" pageId="28" pageNumber="29">
Fig.
<quantity id="8851C2A1FFBFFFF0FB4BF984FB0BF931" box="[1161,1207,1645,1671]" metricMagnitude="-2" metricUnit="kg" metricValue="2.2" pageId="28" pageNumber="29" unit="g" value="22.0">22g</quantity>
</figureCitation>
).
</paragraph>
<paragraph id="4F166F44FFBFFFF0FF05F978FC83F91D" blockId="28.[151,1437,1320,2032]" box="[199,831,1681,1708]" pageId="28" pageNumber="29">
<emphasis id="7DDDB356FFBFFFF0FF05F978FE88F91D" bold="true" box="[199,308,1681,1707]" pageId="28" pageNumber="29">Imagines</emphasis>
of this species were not obtained in this study.
</paragraph>
</subSubSection>
<subSubSection id="07B33CCFFFBFFFF0FF05F95CFBDBF8A1" pageId="28" pageNumber="29" type="diagnosis">
<paragraph id="4F166F44FFBFFFF0FF05F95CFBDBF8A1" blockId="28.[151,1437,1320,2032]" pageId="28" pageNumber="29">
<emphasis id="7DDDB356FFBFFFF0FF05F95CFDD6F979" bold="true" box="[199,618,1716,1743]" pageId="28" pageNumber="29">
Diagnosis and comparison.
<emphasis id="7DDDB356FFBFFFF0FDD2F95DFDD6F979" bold="true" box="[528,618,1716,1743]" italics="true" pageId="28" pageNumber="29">Nymph.</emphasis>
</emphasis>
Gill I is not extended anteriorly, and gill VII lacks a longitudinal fold, in contrast to
<taxonomicName id="88A914C7FFBFFFF0FED6F933FE15F945" authorityName="Matsumura" authorityYear="1931" box="[276,425,1753,1779]" class="Insecta" family="Heptageniidae" genus="Epeorus" kingdom="Animalia" order="Ephemeroptera" pageId="28" pageNumber="29" phylum="Arthropoda" rank="species" species="curvatulus">
<emphasis id="7DDDB356FFBFFFF0FED6F933FE15F945" box="[276,425,1753,1779]" italics="true" pageId="28" pageNumber="29">E. curvatulus</emphasis>
</taxonomicName>
and
<taxonomicName id="88A914C7FFBFFFF0FE1DF933FDE2F945" authorityName="Imanishi" authorityYear="1934" box="[479,606,1753,1779]" class="Insecta" family="Heptageniidae" genus="Epeorus" kingdom="Animalia" order="Ephemeroptera" pageId="28" pageNumber="29" phylum="Arthropoda" rank="species" species="aesculus">
<emphasis id="7DDDB356FFBFFFF0FE1DF933FDE2F945" box="[479,606,1753,1779]" italics="true" pageId="28" pageNumber="29">E. aesculus</emphasis>
</taxonomicName>
. Immature nymphs display a blackish streak on the posterior part of each abdominal tergum, similar to
<taxonomicName id="88A914C7FFBFFFF0FE21F917FDDEF8A1" authorityName="Imanishi" authorityYear="1934" box="[483,610,1789,1815]" class="Insecta" family="Heptageniidae" genus="Epeorus" kingdom="Animalia" order="Ephemeroptera" pageId="28" pageNumber="29" phylum="Arthropoda" rank="species" species="aesculus">
<emphasis id="7DDDB356FFBFFFF0FE21F917FDDEF8A1" box="[483,610,1789,1815]" italics="true" pageId="28" pageNumber="29">E. aesculus</emphasis>
</taxonomicName>
, but this streak diminishes in mature nymphs.
</paragraph>
</subSubSection>
<subSubSection id="07B33CCFFFBFFFF2FF05F8C8FC0BFDD7" lastPageId="30" lastPageNumber="31" pageId="28" pageNumber="29" type="discussion">
<paragraph id="4F166F44FFBFFFF1FF05F8C8FDEFFEAA" blockId="28.[151,1437,1320,2032]" lastBlockId="29.[151,1437,151,285]" lastPageId="29" lastPageNumber="30" pageId="28" pageNumber="29">
<emphasis id="7DDDB356FFBFFFF0FF05F8C8FE1CF88D" bold="true" box="[199,416,1824,1851]" pageId="28" pageNumber="29">
Remarks.
<emphasis id="7DDDB356FFBFFFF0FE84F8C9FE1CF88D" bold="true" box="[326,416,1824,1851]" italics="true" pageId="28" pageNumber="29">Nymph.</emphasis>
</emphasis>
According to
<bibRefCitation id="2B3812B5FFBFFFF0FD8EF8C8FD48F88D" author="Okuma, K." box="[588,756,1825,1851]" pageId="28" pageNumber="29" pagination="30 - 31" refId="ref30840" refString="Okuma, K. (1980) The nymphs of Epeorus ikanonis and Epeorus nipponicus. The nature and insects, 15 (10), 30-31. [in Japanese] *" type="journal article" year="1980">Okuma (1980)</bibRefCitation>
and Ishiwata
<emphasis id="7DDDB356FFBFFFF0FC59F8CBFC6BF88D" box="[923,983,1825,1851]" italics="true" pageId="28" pageNumber="29">et al.</emphasis>
(2018), nymphs of this species can be distinguished from the similar species
<taxonomicName id="88A914C7FFBFFFF0FD8BF8AFFC36F8E9" authority="Takahashi, 1924" authorityName="Takahashi" authorityYear="1924" box="[585,906,1861,1887]" class="Insecta" family="Heptageniidae" genus="Epeorus" kingdom="Animalia" order="Ephemeroptera" pageId="28" pageNumber="29" phylum="Arthropoda" rank="species" species="ikanonis">
<emphasis id="7DDDB356FFBFFFF0FD8BF8AFFD74F8E9" box="[585,712,1861,1887]" italics="true" pageId="28" pageNumber="29">E. ikanonis</emphasis>
<bibRefCitation id="2B3812B5FFBFFFF0FD0DF8ACFC36F8E9" author="Takahashi, Y." box="[719,906,1861,1887]" pageId="28" pageNumber="29" pagination="377 - 380" refId="ref31380" refString="Takahashi, Y. (1924) Some new species of Japanese mayflies. Zoological Magazine (Doubutsugaku Zasshi), 36, 377-380. [in Japanese] *" type="journal article" year="1924">Takahashi, 1924</bibRefCitation>
</taxonomicName>
, by the length of the cerci and seasonal growth patterns. In
<taxonomicName id="88A914C7FFBFFFF0FEDCF883FE22F835" authorityName="Takahashi" authorityYear="1924" box="[286,414,1897,1923]" class="Insecta" family="Heptageniidae" genus="Epeorus" kingdom="Animalia" order="Ephemeroptera" pageId="28" pageNumber="29" phylum="Arthropoda" rank="species" species="ikanonis">
<emphasis id="7DDDB356FFBFFFF0FEDCF883FE22F835" box="[286,414,1897,1923]" italics="true" pageId="28" pageNumber="29">E. ikanonis</emphasis>
</taxonomicName>
, the cerci length is roughly equal to the body length, whereas in
<taxonomicName id="88A914C7FFBFFFF0FB43F883FAA1F835" baseAuthorityName="Ueno" baseAuthorityYear="1931" box="[1153,1309,1898,1923]" class="Insecta" family="Heptageniidae" genus="Epeorus" kingdom="Animalia" order="Ephemeroptera" pageId="28" pageNumber="29" phylum="Arthropoda" rank="species" species="nipponicus">
<emphasis id="7DDDB356FFBFFFF0FB43F883FAA1F835" box="[1153,1309,1898,1923]" italics="true" pageId="28" pageNumber="29">E. nipponicus</emphasis>
</taxonomicName>
, it is about 1.5 times the body length. Mature nymphs of
<taxonomicName id="88A914C7FFBFFFF0FD53F867FCB3F811" authorityName="Takahashi" authorityYear="1924" box="[657,783,1933,1959]" class="Insecta" family="Heptageniidae" genus="Epeorus" kingdom="Animalia" order="Ephemeroptera" pageId="28" pageNumber="29" phylum="Arthropoda" rank="species" species="ikanonis">
<emphasis id="7DDDB356FFBFFFF0FD53F867FCB3F811" box="[657,783,1933,1959]" italics="true" pageId="28" pageNumber="29">E. ikanonis</emphasis>
</taxonomicName>
are observed from winter to early spring, while those of
<taxonomicName id="88A914C7FFBFFFF0FA46F867FEAEF87D" baseAuthorityName="Ueno" baseAuthorityYear="1931" class="Insecta" family="Heptageniidae" genus="Epeorus" kingdom="Animalia" order="Ephemeroptera" pageId="28" pageNumber="29" phylum="Arthropoda" rank="species" species="nipponicus">
<emphasis id="7DDDB356FFBFFFF0FA46F867FEAEF87D" italics="true" pageId="28" pageNumber="29">E. nipponicus</emphasis>
</taxonomicName>
appear in autumn.
<emphasis id="7DDDB356FFBFFFF0FE2EF859FD5AF87D" bold="true" box="[492,742,1968,1995]" italics="true" pageId="28" pageNumber="29">Subgenus attribution.</emphasis>
Our observation fully supports the classification by
<bibRefCitation id="2B3812B5FFBFFFF0FAF5F85BFF5EF859" author="Ma, Z. X. &amp; Lei, Z. M. &amp; Li, W. J. &amp; Zhou, C. F." pageId="28" pageNumber="29" pagination="1131 - 1159" refId="ref30227" refString="Ma, Z. X., Lei, Z. M., Li, W. J. &amp; Zhou, C. F. (2021) A revision of Epeorus (Proepeorus) in China, with descriptions of two new species (Ephemeroptera, Heptageniidae). Journal of Natural History, 55 (17 - 18), 1131-1159. https://doi.org/10.1080/00222933.2021.1936679" type="journal article" year="2021">
Ma
<emphasis id="7DDDB356FFBFFFF0FAA6F85BFA21F87D" box="[1380,1437,1969,1995]" italics="true" pageId="28" pageNumber="29">et al.</emphasis>
(2021)
</bibRefCitation>
which assigned this species to the subgenus
<taxonomicName id="88A914C7FFBFFFF0FD1AF83FFCE6F859" authorityName="Kluge" authorityYear="2004" box="[728,858,2006,2031]" pageId="28" pageNumber="29" rank="subGenus" subGenus="Proepeorus">
<emphasis id="7DDDB356FFBFFFF0FD1AF83FFCE6F859" box="[728,858,2006,2031]" italics="true" pageId="28" pageNumber="29">Proepeorus</emphasis>
</taxonomicName>
based on male imaginal characteristics. Nymphs of this subgenus are characterized by the following features: 1) gills IIVII possess an anal rib along the anal margin; 2) gill I is not elongated; and 3) gill VII lacks a longitudinal fold (
<bibRefCitation id="2B3812B5FFBEFFF1FC50FF52FBA2FF63" author="Kluge, N. J." box="[914,1054,187,213]" pageId="29" pageNumber="30" refId="ref29818" refString="Kluge, N. J. (2004) The Phylogenetic System of Ephemeroptera. Kluwer Academic Publishers, Dordrecht, 442 pp. https://doi.org/10.1007/978-94-007-0872-3" type="book" year="2004">Kluge 2004</bibRefCitation>
). The subgenus
<emphasis id="7DDDB356FFBEFFF1FB1AFF52FAC7FF62" box="[1240,1403,187,212]" italics="true" pageId="29" pageNumber="30">
<taxonomicName id="88A914C7FFBEFFF1FB1AFF52FA89FF62" box="[1240,1333,187,212]" pageId="29" pageNumber="30" rank="subGenus" subGenus="Epeorus">Epeorus</taxonomicName>
<taxonomicNameLabel id="66EE0E2DFFBEFFF1FAFCFF52FAC7FF62" box="[1342,1403,187,212]" pageId="29" pageNumber="30" sensu="stricto">s. str.</taxonomicNameLabel>
</emphasis>
(=
<taxonomicName id="88A914C7FFBEFFF1FF55FF36FF48FF4F" authorityName="Eaton" authorityYear="1881" box="[151,244,223,249]" class="Insecta" family="Heptageniidae" genus="Epeorus" kingdom="Animalia" order="Ephemeroptera" pageId="29" pageNumber="30" phylum="Arthropoda" rank="genus">Epeorus</taxonomicName>
/fg4) also shares these traits, with male imaginal penial structures being the only distinguishing feature between
<taxonomicName id="88A914C7FFBEFFF1FF39FEEAFEC1FEAA" authorityName="Kluge" authorityYear="2004" box="[251,381,259,284]" pageId="29" pageNumber="29" rank="subGenus" subGenus="Proepeorus">
<emphasis id="7DDDB356FFBEFFF1FF39FEEAFEC1FEAA" box="[251,381,259,284]" italics="true" pageId="29" pageNumber="30">Proepeorus</emphasis>
</taxonomicName>
and
<emphasis id="7DDDB356FFBEFFF1FE76FEEAFDEFFEAA" box="[436,595,259,284]" italics="true" pageId="29" pageNumber="30">
<taxonomicName id="88A914C7FFBEFFF1FE76FEEAFDADFEAA" authorityName="Eaton" authorityYear="1881" box="[436,529,259,284]" class="Insecta" family="Heptageniidae" genus="Epeorus" kingdom="Animalia" order="Ephemeroptera" pageId="29" pageNumber="30" phylum="Arthropoda" rank="genus" sensu="stricto">Epeorus</taxonomicName>
<taxonomicNameLabel id="66EE0E2DFFBEFFF1FDDAFEEAFDEFFEAA" box="[536,595,259,284]" pageId="29" pageNumber="30" sensu="stricto">s. str.</taxonomicNameLabel>
</emphasis>
</paragraph>
<caption id="1BD63FCCFFBEFFF1FF55F98AFB81F975" ID-DOI="http://doi.org/10.5281/zenodo.14954033" ID-Zenodo-Dep="14954033" httpUri="https://zenodo.org/record/14954033/files/figure.png" pageId="29" pageNumber="30" startId="29.[151,250,1635,1659]" targetBox="[169,1423,321,1598]" targetPageId="29" targetType="figure">
<paragraph id="4F166F44FFBEFFF1FF55F98AFB81F975" blockId="29.[151,1436,1635,1732]" pageId="29" pageNumber="30">
<emphasis id="7DDDB356FFBEFFF1FF55F98AFEFDF9CD" bold="true" box="[151,321,1635,1659]" pageId="29" pageNumber="30">FIGURE 22aj.</emphasis>
<taxonomicName id="88A914C7FFBEFFF1FE85F98DFDACF9CD" baseAuthorityName="Ueno" baseAuthorityYear="1931" box="[327,528,1636,1659]" class="Insecta" family="Heptageniidae" genus="Epeorus" kingdom="Animalia" order="Ephemeroptera" pageId="29" pageNumber="30" phylum="Arthropoda" rank="species" species="nipponicus">
<emphasis id="7DDDB356FFBEFFF1FE85F98DFDACF9CD" box="[327,528,1636,1659]" italics="true" pageId="29" pageNumber="30">Epeorus nipponicus</emphasis>
</taxonomicName>
, nymph.
<emphasis id="7DDDB356FFBEFFF1FDACF98DFD3DF9CA" bold="true" box="[622,641,1636,1660]" pageId="29" pageNumber="30">a.</emphasis>
Labrum (left half in ventral view, right half in dorsal view);
<emphasis id="7DDDB356FFBEFFF1FB23F98DFB4AF9CA" bold="true" box="[1249,1270,1636,1660]" pageId="29" pageNumber="30">b.</emphasis>
Incisors of right mandible (ventral view);
<emphasis id="7DDDB356FFBEFFF1FE5BF961FE16F916" bold="true" box="[409,426,1672,1696]" pageId="29" pageNumber="30">c.</emphasis>
Incisors of left mandible (ventral view);
<emphasis id="7DDDB356FFBEFFF1FC8FF961FCDEF916" bold="true" box="[845,866,1672,1696]" pageId="29" pageNumber="30">d.</emphasis>
Setae on dorsal surface of femora;
<emphasis id="7DDDB356FFBEFFF1FB09F961FB60F916" bold="true" box="[1227,1244,1672,1696]" pageId="29" pageNumber="30">e.</emphasis>
Gill I;
<emphasis id="7DDDB356FFBEFFF1FAE5F96EFA8BF929" bold="true" box="[1319,1335,1671,1695]" pageId="29" pageNumber="30">f.</emphasis>
Gill II;
<emphasis id="7DDDB356FFBEFFF1FA4BF961FA20F916" bold="true" box="[1417,1436,1672,1696]" pageId="29" pageNumber="30">g.</emphasis>
Gill VII;
<emphasis id="7DDDB356FFBEFFF1FF37F945FEB5F972" bold="true" box="[245,265,1708,1732]" pageId="29" pageNumber="30">h.</emphasis>
Sternum IX of male;
<emphasis id="7DDDB356FFBEFFF1FE25F942FE48F975" bold="true" box="[487,500,1707,1731]" pageId="29" pageNumber="30">i.</emphasis>
Sternum IX of female;
<emphasis id="7DDDB356FFBEFFF1FD24F942FD48F975" bold="true" box="[742,756,1707,1731]" pageId="29" pageNumber="30">j.</emphasis>
Posterior margin of tergum VII.
</paragraph>
</caption>
<paragraph id="4F166F44FFBEFFF2FF05F8FFFD48FEF7" blockId="29.[151,1437,1814,2020]" lastBlockId="30.[151,1437,151,681]" lastPageId="30" lastPageNumber="31" pageId="29" pageNumber="30">
The taxonomic status of this species has been ambiguous.
<bibRefCitation id="2B3812B5FFBEFFF1FCB8F8FFFBA5F886" author="Ueno, M." box="[890,1049,1814,1840]" pageId="29" pageNumber="30" pagination="91 - 104" refId="ref32022" refString="Ueno, M. (1931 a) Einige neue Ephemeropteren und Plecopteren aus Mittel-Japan. Annotationes zoologicae Japonenses, 13 (2), 91-104." type="journal article" year="1931">Uéno (1931a)</bibRefCitation>
first described the species based on material collected from the Nakabusa-gawa River in Nagano, central Honshu. However, the
<typeStatus id="9012D1E6FFBEFFF1FB2FF8D3FAA1F8E2" box="[1261,1309,1850,1876]" pageId="29" pageNumber="30">type</typeStatus>
specimens were likely lost (Author's investigation 2019).
<bibRefCitation id="2B3812B5FFBEFFF1FD74F8B7FCD1F8CE" author="Imanishi, K." box="[694,877,1886,1912]" pageId="29" pageNumber="30" pagination="380 - 394" refId="ref28952" refString="Imanishi, K. (1934) Mayflies from Japanese Torrents IV. Notes on the genus Epeorus. Annotationes Zoologicae Japonense, 14, 380-394." type="journal article" year="1934">Imanishi (1934)</bibRefCitation>
included this species in his monograph without any accompanying explanation. Since then, it has been omitted from major works, such as Gose's monograph on
<taxonomicName id="88A914C7FFBEFFF1FF55F84FFF47F876" box="[151,251,1958,1984]" class="Flasuviricetes" family="Flaviviridae" genus="Japanese" higherTaxonomySource="CoL" kingdom="Orthornavirae" order="Amarillovirales" pageId="29" pageNumber="47" phylum="Kitrinoviricota" rank="genus">Japanese</taxonomicName>
mayflies (
<bibRefCitation id="2B3812B5FFBEFFF1FEBAF84FFE46F876" author="Gose, K." box="[376,506,1958,1984]" pageId="29" pageNumber="30" pagination="44 - 46" refId="ref28170" refString="Gose, K. (1979) The mayflies of Japanese (4). Aquabiology, 1 (4), 44-46. [in Japanese]" type="journal article" year="1979">Gose 1979</bibRefCitation>
).
<bibRefCitation id="2B3812B5FFBEFFF1FDD3F84FFD70F876" author="Ishiwata, S." box="[529,716,1958,1984]" pageId="29" pageNumber="30" pagination="55 - 84" refId="ref29157" refString="Ishiwata, S. (2001 a) A checklist of Japanese Ephemeroptera. In: The 21 st Century and Aquatic Entomology in East Asia. roceedings of the 1 st. Symposium of Aquatic Entomologists in East Asia (AESEA). Korean Society of Aquatic Entomology Korea, Seoul, pp. 55-84." type="book chapter" year="2001">Ishiwata (2001a</bibRefCitation>
; 2018) listed the species as valid and described its diagnostic characters (
<bibRefCitation id="2B3812B5FFBEFFF1FED8F823FE7CF852" author="Ishiwata, S." box="[282,448,1994,2020]" pageId="29" pageNumber="30" pagination="1 - 46" refId="ref29256" refString="Ishiwata, S. (2002) Mayflies of Kanagawa Prefecture, Japan. Kanagawa-Chuho, 138, 1-46. [in Japanese]" type="journal article" year="2002">Ishiwata 2002</bibRefCitation>
; Ishiwata
<emphasis id="7DDDB356FFBEFFF1FDF5F823FDCEF852" box="[567,626,1994,2020]" italics="true" pageId="29" pageNumber="30">et al.</emphasis>
2018), which allowed for its identification. The nymphal morphology of this species, in its current sense, closely aligns with
<bibRefCitation id="2B3812B5FFBDFFF2FCC9FF7EFC6DFF07" author="Imanishi, K." box="[779,977,151,177]" pageId="30" pageNumber="31" pagination="380 - 394" refId="ref28952" refString="Imanishi, K. (1934) Mayflies from Japanese Torrents IV. Notes on the genus Epeorus. Annotationes Zoologicae Japonense, 14, 380-394." type="journal article" year="1934">Imanishi's (1934)</bibRefCitation>
description of
<taxonomicName id="88A914C7FFBDFFF2FBBCFF7EFAA9FF07" authorityName="Matsumura" authorityYear="1931" box="[1150,1301,151,177]" class="Insecta" family="Heptageniidae" genus="Epeorus" kingdom="Animalia" order="Ephemeroptera" pageId="30" pageNumber="31" phylum="Arthropoda" rank="species" species="curvatulus">
<emphasis id="7DDDB356FFBDFFF2FBBCFF7EFAA9FF07" box="[1150,1301,151,177]" italics="true" pageId="30" pageNumber="31">E. curvatulus</emphasis>
</taxonomicName>
, suggesting that
<taxonomicName id="88A914C7FFBDFFF2FF0BFF52FED9FF62" baseAuthorityName="Ueno" baseAuthorityYear="1931" box="[201,357,187,212]" class="Insecta" family="Heptageniidae" genus="Epeorus" kingdom="Animalia" order="Ephemeroptera" pageId="30" pageNumber="31" phylum="Arthropoda" rank="species" species="nipponicus">
<emphasis id="7DDDB356FFBDFFF2FF0BFF52FED9FF62" box="[201,357,187,212]" italics="true" pageId="30" pageNumber="31">E. nipponicus</emphasis>
</taxonomicName>
may have been misidentified as
<taxonomicName id="88A914C7FFBDFFF2FD18FF52FCCCFF63" authorityName="Matsumura" authorityYear="1931" box="[730,880,187,213]" class="Insecta" family="Heptageniidae" genus="Epeorus" kingdom="Animalia" order="Ephemeroptera" pageId="30" pageNumber="31" phylum="Arthropoda" rank="species" species="curvatulus">
<emphasis id="7DDDB356FFBDFFF2FD18FF52FCCCFF63" box="[730,880,187,213]" italics="true" pageId="30" pageNumber="31">E. curvatulus</emphasis>
</taxonomicName>
in Imanishi's work.
<bibRefCitation id="2B3812B5FFBDFFF2FB9BFF52FAAFFF63" author="Ma, Z. X. &amp; Lei, Z. M. &amp; Li, W. J. &amp; Zhou, C. F." box="[1113,1299,187,213]" pageId="30" pageNumber="31" pagination="1131 - 1159" refId="ref30227" refString="Ma, Z. X., Lei, Z. M., Li, W. J. &amp; Zhou, C. F. (2021) A revision of Epeorus (Proepeorus) in China, with descriptions of two new species (Ephemeroptera, Heptageniidae). Journal of Natural History, 55 (17 - 18), 1131-1159. https://doi.org/10.1080/00222933.2021.1936679" type="journal article" year="2021">
Ma
<emphasis id="7DDDB356FFBDFFF2FB45FF52FB7CFF63" box="[1159,1216,187,213]" italics="true" pageId="30" pageNumber="31">et al.</emphasis>
(2021)
</bibRefCitation>
published a revision of
<taxonomicName id="88A914C7FFBDFFF2FED8FF36FDA8FF4F" box="[282,532,223,249]" class="Insecta" family="Heptageniidae" genus="Epeorus" kingdom="Animalia" order="Ephemeroptera" pageId="30" pageNumber="31" phylum="Arthropoda" rank="subGenus" subGenus="Proepeorus">
<emphasis id="7DDDB356FFBDFFF2FED8FF36FECBFF4E" box="[282,375,223,248]" italics="true" pageId="30" pageNumber="31">Epeorus</emphasis>
(
<emphasis id="7DDDB356FFBDFFF2FE4BFF36FDB7FF4E" box="[393,523,223,248]" italics="true" pageId="30" pageNumber="31">Proepeorus</emphasis>
)
</taxonomicName>
in
<collectingCountry id="37BE2FD4FFBDFFF2FDF9FF36FD3DFF4F" box="[571,641,223,249]" name="China" pageId="30" pageNumber="31">China</collectingCountry>
, providing a detailed description of the morphology of
<taxonomicName id="88A914C7FFBDFFF2FB38FF36FA29FF4E" baseAuthorityName="Ueno" baseAuthorityYear="1931" box="[1274,1429,223,248]" class="Insecta" family="Heptageniidae" genus="Epeorus" kingdom="Animalia" order="Ephemeroptera" pageId="30" pageNumber="31" phylum="Arthropoda" rank="species" species="nipponicus">
<emphasis id="7DDDB356FFBDFFF2FB38FF36FA29FF4E" box="[1274,1429,223,248]" italics="true" pageId="30" pageNumber="31">E. nipponicus</emphasis>
</taxonomicName>
. The nymphal morphology observed, particularly the structure of the mouthparts and the posterior margin of the abdominal terga, aligns closely with our observations.
</paragraph>
<paragraph id="4F166F44FFBDFFF2FF05FEA2FC65FDAF" blockId="30.[151,1437,151,681]" pageId="30" pageNumber="31">
A similar species,
<taxonomicName id="88A914C7FFBDFFF2FE4DFEA2FD52FED3" authority="Sinitshenkova, 1981" authorityName="Sinitshenkova" authorityYear="1981" box="[399,750,331,357]" class="Insecta" family="Heptageniidae" genus="Epeorus" kingdom="Animalia" order="Ephemeroptera" pageId="30" pageNumber="31" phylum="Arthropoda" rank="species" species="anatolii">
<emphasis id="7DDDB356FFBDFFF2FE4DFEA2FDB8FED3" box="[399,516,331,357]" italics="true" pageId="30" pageNumber="31">E. anatolii</emphasis>
<bibRefCitation id="2B3812B5FFBDFFF2FDCBFEA2FD52FED3" author="Sinitshenkova, N. D." box="[521,750,331,357]" pageId="30" pageNumber="31" pagination="813 - 823" refId="ref31158" refString="Sinitshenkova, N. D. (1981) To the knowledge of nymphs of the genus Epeorus Eaton (Ephemeroptera, Heptageniidae). Entomologicheskoe Obozrenie, 60 (4), 813-823. [in Russian]" type="journal article" year="1981">Sinitshenkova, 1981</bibRefCitation>
</taxonomicName>
, was described from Far East
<collectingCountry id="37BE2FD4FFBDFFF2FBF7FEA2FB3CFED3" box="[1077,1152,331,357]" name="Russia" pageId="30" pageNumber="31">Russia</collectingCountry>
based on female nymphs, and the description aligns completely with our observations.
<bibRefCitation id="2B3812B5FFBDFFF2FC84FE86FBB8FE3F" author="Bae, Y. J. &amp; Kluge, N. J. &amp; Chun, D. J." box="[838,1028,367,393]" pageId="30" pageNumber="31" pagination="90 - 94" refId="ref27278" refString="Bae, Y. J., Kluge, N. J. &amp; Chun, D. J. (1998) New synonymy and new data on the distribution of the mayflies from Korea and the Russian Far East. Zoosystematica Rossica, 7, 90-94." type="journal article" year="1998">
Bae
<emphasis id="7DDDB356FFBDFFF2FCBBFE86FC0EFE3F" box="[889,946,367,393]" italics="true" pageId="30" pageNumber="31">et al.</emphasis>
(1998)
</bibRefCitation>
later synonymized this species with
<taxonomicName id="88A914C7FFBDFFF2FF55FE7AFE93FE1B" authorityName="Matsumura" authorityYear="1931" box="[151,303,403,429]" class="Insecta" family="Heptageniidae" genus="Epeorus" kingdom="Animalia" order="Ephemeroptera" pageId="30" pageNumber="31" phylum="Arthropoda" rank="species" species="curvatulus">
<emphasis id="7DDDB356FFBDFFF2FF55FE7AFE93FE1B" box="[151,303,403,429]" italics="true" pageId="30" pageNumber="31">E. curvatulus</emphasis>
</taxonomicName>
, likely based on Imanishis concept, which may have confused
<taxonomicName id="88A914C7FFBDFFF2FBDBFE7AFB0EFE1B" authorityName="Matsumura" authorityYear="1931" box="[1049,1202,403,429]" class="Insecta" family="Heptageniidae" genus="Epeorus" kingdom="Animalia" order="Ephemeroptera" pageId="30" pageNumber="31" phylum="Arthropoda" rank="species" species="curvatulus">
<emphasis id="7DDDB356FFBDFFF2FBDBFE7AFB0EFE1B" box="[1049,1202,403,429]" italics="true" pageId="30" pageNumber="31">E. curvatulus</emphasis>
</taxonomicName>
with
<taxonomicName id="88A914C7FFBDFFF2FB3AFE7AFA29FE1A" baseAuthorityName="Ueno" baseAuthorityYear="1931" box="[1272,1429,403,428]" class="Insecta" family="Heptageniidae" genus="Epeorus" kingdom="Animalia" order="Ephemeroptera" pageId="30" pageNumber="31" phylum="Arthropoda" rank="species" species="nipponicus">
<emphasis id="7DDDB356FFBDFFF2FB3AFE7AFA29FE1A" box="[1272,1429,403,428]" italics="true" pageId="30" pageNumber="31">E. nipponicus</emphasis>
</taxonomicName>
. However, the nymphal morphologies of
<taxonomicName id="88A914C7FFBDFFF2FD9CFE5EFD4FFE67" authorityName="Matsumura" authorityYear="1931" box="[606,755,439,465]" class="Insecta" family="Heptageniidae" genus="Epeorus" kingdom="Animalia" order="Ephemeroptera" pageId="30" pageNumber="31" phylum="Arthropoda" rank="species" species="curvatulus">
<emphasis id="7DDDB356FFBDFFF2FD9CFE5EFD4FFE67" box="[606,755,439,465]" italics="true" pageId="30" pageNumber="31">E. curvatulus</emphasis>
</taxonomicName>
and
<taxonomicName id="88A914C7FFBDFFF2FCE9FE5EFC79FE66" baseAuthorityName="Ueno" baseAuthorityYear="1931" box="[811,965,439,464]" class="Insecta" family="Heptageniidae" genus="Epeorus" kingdom="Animalia" order="Ephemeroptera" pageId="30" pageNumber="31" phylum="Arthropoda" rank="species" species="nipponicus">
<emphasis id="7DDDB356FFBDFFF2FCE9FE5EFC79FE66" box="[811,965,439,464]" italics="true" pageId="30" pageNumber="31">E. nipponicus</emphasis>
</taxonomicName>
are distinctly different, suggesting that
<taxonomicName id="88A914C7FFBDFFF2FA46FE5EFF52FE43" authorityName="Sinitshenkova" authorityYear="1981" class="Insecta" family="Heptageniidae" genus="Epeorus" kingdom="Animalia" order="Ephemeroptera" pageId="30" pageNumber="31" phylum="Arthropoda" rank="species" species="anatolii">
<emphasis id="7DDDB356FFBDFFF2FA46FE5EFF52FE43" italics="true" pageId="30" pageNumber="31">E. anatolii</emphasis>
</taxonomicName>
should potentially be synonymized with
<taxonomicName id="88A914C7FFBDFFF2FD78FE32FCEFFE42" baseAuthorityName="Ueno" baseAuthorityYear="1931" box="[698,851,475,500]" class="Insecta" family="Heptageniidae" genus="Epeorus" kingdom="Animalia" order="Ephemeroptera" pageId="30" pageNumber="31" phylum="Arthropoda" rank="species" species="nipponicus">
<emphasis id="7DDDB356FFBDFFF2FD78FE32FCEFFE42" box="[698,851,475,500]" italics="true" pageId="30" pageNumber="31">E. nipponicus</emphasis>
</taxonomicName>
. Nevertheless, confirming this requires examination of the
<typeStatus id="9012D1E6FFBDFFF2FF1DFE16FEB3FDAF" box="[223,271,511,537]" pageId="30" pageNumber="31">type</typeStatus>
specimens of
<taxonomicName id="88A914C7FFBDFFF2FE72FE16FD9AFDAF" authorityName="Sinitshenkova" authorityYear="1981" box="[432,550,511,537]" class="Insecta" family="Heptageniidae" genus="Epeorus" kingdom="Animalia" order="Ephemeroptera" pageId="30" pageNumber="31" phylum="Arthropoda" rank="species" species="anatolii">
<emphasis id="7DDDB356FFBDFFF2FE72FE16FD9AFDAF" box="[432,550,511,537]" italics="true" pageId="30" pageNumber="31">E. anatolii</emphasis>
</taxonomicName>
, as also discussed by
<bibRefCitation id="2B3812B5FFBDFFF2FCDEFE16FC69FDAF" author="Ma, Z. X. &amp; Lei, Z. M. &amp; Li, W. J. &amp; Zhou, C. F." box="[796,981,511,537]" pageId="30" pageNumber="31" pagination="1131 - 1159" refId="ref30227" refString="Ma, Z. X., Lei, Z. M., Li, W. J. &amp; Zhou, C. F. (2021) A revision of Epeorus (Proepeorus) in China, with descriptions of two new species (Ephemeroptera, Heptageniidae). Journal of Natural History, 55 (17 - 18), 1131-1159. https://doi.org/10.1080/00222933.2021.1936679" type="journal article" year="2021">
Ma
<emphasis id="7DDDB356FFBDFFF2FC8AFE16FC3CFDAF" box="[840,896,511,537]" italics="true" pageId="30" pageNumber="31">et al.</emphasis>
(2021)
</bibRefCitation>
.
</paragraph>
<paragraph id="4F166F44FFBDFFF2FF05FDCAFC0BFDD7" blockId="30.[151,1437,151,681]" pageId="30" pageNumber="31">
<emphasis id="7DDDB356FFBDFFF2FF05FDCAFDFAFD8A" bold="true" box="[199,582,546,573]" pageId="30" pageNumber="31">Emergence periods and habitat.</emphasis>
Mature nymphs were obtained after August in the study areas. This species was obtained from a wide area within the Toyohira-gawa River system.
</paragraph>
</subSubSection>
<subSubSection id="07B33CCFFFBDFFF2FF05FD83FF64FD1F" pageId="30" pageNumber="31" type="distribution">
<paragraph id="4F166F44FFBDFFF2FF05FD83FF64FD1F" blockId="30.[151,1437,151,681]" pageId="30" pageNumber="31">
<emphasis id="7DDDB356FFBDFFF2FF05FD83FEDDFD32" bold="true" box="[199,353,618,644]" pageId="30" pageNumber="31">Distribution.</emphasis>
<collectingCountry id="37BE2FD4FFBDFFF2FEA8FD82FE16FD33" box="[362,426,619,645]" name="Japan" pageId="30" pageNumber="31">Japan</collectingCountry>
(
<collectingRegion id="8D6DA1A6FFBDFFF2FE79FD82FD92FD33" box="[443,558,619,645]" country="Japan" name="Hokkaido" pageId="30" pageNumber="31">Hokkaido</collectingRegion>
, Honshu, Shikoku, and Kyushu),
<collectingCountry id="37BE2FD4FFBDFFF2FC77FD82FC40FD33" box="[949,1020,619,645]" name="South Korea" pageId="30" pageNumber="31">Korea</collectingCountry>
,
<collectingCountry id="37BE2FD4FFBDFFF2FBC8FD82FBF1FD33" box="[1034,1101,619,645]" name="China" pageId="30" pageNumber="31">China</collectingCountry>
(Northeast), and
<collectingCountry id="37BE2FD4FFBDFFF2FADBFD82FAD8FD33" box="[1305,1380,619,645]" name="Russia" pageId="30" pageNumber="31">Russia</collectingCountry>
(Far East).
</paragraph>
</subSubSection>
</treatment>
</document>