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<document ID-DOI="http://dx.doi.org/10.3897/dez.68.65540" ID-GBIF-Dataset="e45fa354-1749-4b8f-a6db-74f49bb3b262" ID-GBIF-Taxon="181939777" ID-Pensoft-Pub="1860-1324-1-179" ID-Pensoft-UUID="BA7A0AE8853C5D1590571F6D7448C301" ID-ZooBank="D39BD7BB70F94BA683AB15F4B81C57D9" ModsDocID="1860-1324-1-179" checkinTime="1620475051968" checkinUser="pensoft" docAuthor="Mtow, Shodo &amp; Tsutsumi, Tadaaki" docDate="2021" docId="F76F01B4864A51AB96F95378250FEDD5" docLanguage="en" docName="DeutEntomolZeit 68(1): 179-188" docOrigin="Deutsche Entomologische Zeitschrift 68 (1)" docPubDate="2021-05-07" docSource="http://dx.doi.org/10.3897/dez.68.65540" docTitle="Yoraperla uenoi" docType="treatment" docVersion="4" id="BA7A0AE8853C5D1590571F6D7448C301" lastPageNumber="179" masterDocId="BA7A0AE8853C5D1590571F6D7448C301" masterDocTitle="First instar nymphs of two peltoperlid stoneflies (Insecta, Plecoptera, Peltoperlidae)" masterLastPageNumber="188" masterPageNumber="179" pageId="0" pageNumber="179" updateTime="1643426944583" updateUser="ExternalLinkService">
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<mods:title>First instar nymphs of two peltoperlid stoneflies (Insecta, Plecoptera, Peltoperlidae)</mods:title>
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<mods:namePart>Mtow, Shodo</mods:namePart>
<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0003-0092-5823</mods:nameIdentifier>
<mods:affiliation>Faculty of Symbiotic Systems Science, Fukushima University, Kanayagawa 1, Fukushima, Fukushima 960 - 1296, Japan</mods:affiliation>
<mods:nameIdentifier type="email">impulse610@gmail.com</mods:nameIdentifier>
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<mods:roleTerm>Author</mods:roleTerm>
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<mods:namePart>Tsutsumi, Tadaaki</mods:namePart>
<mods:affiliation>Faculty of Symbiotic Systems Science, Fukushima University, Kanayagawa 1, Fukushima, Fukushima 960 - 1296, Japan</mods:affiliation>
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<mods:date>2021</mods:date>
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<mods:number>2021-05-07</mods:number>
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<mods:identifier type="DOI">http://dx.doi.org/10.3897/dez.68.65540</mods:identifier>
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<subSection pageId="0" pageNumber="179" type="results">
<treatment ID-GBIF-Taxon="181939777" LSID="urn:lsid:plazi:treatment:F76F01B4864A51AB96F95378250FEDD5" httpUri="http://treatment.plazi.org/id/F76F01B4864A51AB96F95378250FEDD5" lastPageNumber="179" pageId="0" pageNumber="179">
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<taxonomicName LSID="F76F01B4-864A-51AB-96F9-5378250FEDD5" authority="(Kohno, 1946)" baseAuthorityName="Kohno" baseAuthorityYear="1946" class="Insecta" family="Peltoperlidae" genus="Yoraperla" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Yoraperla uenoi" order="Plecoptera" pageId="0" pageNumber="179" phylum="Arthropoda" rank="species" species="uenoi">Yoraperla uenoi (Kohno, 1946)</taxonomicName>
<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. First instar nymphs of Yoraperla uenoi. A. Habitus, dorsal view, scanning electron microscopy (SEM); B. Habitus, dorsal view, same specimen as in (A), light microscopy; C. Mouth parts, ventral view, SEM, right side of maxillary pulp artificially lacking; D. Middle leg, SEM. Abbreviations: An, antenna; Ce, cercus; Cx, coxa; Fe, femur; Ga, galea; Gl, glossa; H, head; La, lacinia; LbP, labial palp; Lr, labrum; Md, mandible; Msn, mesonotum; Mtn, metanotum; Pgl, paraglossa; Pta, pretarsus; St, stipes; Ta, tarsus; Ti, tibia; Tr, trochanter. Scale bars: 100 µm (A, B); 20 µm (C, D)." figureDoi="10.3897/dez.68.65540.figure3" httpUri="https://binary.pensoft.net/fig/540151" pageId="0" pageNumber="179">Figs 3A-D</figureCitation>
<figureCitation captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Chloride cells of first instar nymphs of Microperla brevicauda and Yoraperla uenoi, anterior to the left. A. Abdomen of M. brevicauda, lateral view, stained with Mayer's acid haemalum; B, C. Horizontal sections of fifth abdominal segment of M. brevicauda (B) and Y. uenoi (C); D, E. Abdomen of M. brevicauda, lateral view, scanning electron microscopy (SEM), all abdominal segments (D) and enlargement of chloride cells (E); F, G. Abdomen of Y. uenoi, ventrolateral view, SEM, all abdominal segments (F) and enlargement of chloride cells (G). Arrowheads show the chloride cells. Abbreviations: A 1, 2, 3, 5, and 10: first, second, third, fifth and tenth abdominal segments, respectively; Ce, cercus; Mtn, metanotum. Scale bars: 50 µm (A, D, F); 10 µm (B, C, E, G)." figureDoi="10.3897/dez.68.65540.figure4" httpUri="https://binary.pensoft.net/fig/540152" pageId="0" pageNumber="179">, 4C, F, G</figureCitation>
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="179" type="description">
<paragraph pageId="0" pageNumber="179">Description.</paragraph>
<paragraph pageId="0" pageNumber="179">
Body broad and slightly cockroach-like, uniformly white, covered by brownish, long and short, stout setae, without gill and ocelli (Fig.
<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. First instar nymphs of Yoraperla uenoi. A. Habitus, dorsal view, scanning electron microscopy (SEM); B. Habitus, dorsal view, same specimen as in (A), light microscopy; C. Mouth parts, ventral view, SEM, right side of maxillary pulp artificially lacking; D. Middle leg, SEM. Abbreviations: An, antenna; Ce, cercus; Cx, coxa; Fe, femur; Ga, galea; Gl, glossa; H, head; La, lacinia; LbP, labial palp; Lr, labrum; Md, mandible; Msn, mesonotum; Mtn, metanotum; Pgl, paraglossa; Pta, pretarsus; St, stipes; Ta, tarsus; Ti, tibia; Tr, trochanter. Scale bars: 100 µm (A, B); 20 µm (C, D)." figureDoi="10.3897/dez.68.65540.figure3" httpUri="https://binary.pensoft.net/fig/540151" pageId="0" pageNumber="179">3A, B</figureCitation>
). Head orthognathous, trapezoidal, and highly shortened (Fig.
<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. First instar nymphs of Yoraperla uenoi. A. Habitus, dorsal view, scanning electron microscopy (SEM); B. Habitus, dorsal view, same specimen as in (A), light microscopy; C. Mouth parts, ventral view, SEM, right side of maxillary pulp artificially lacking; D. Middle leg, SEM. Abbreviations: An, antenna; Ce, cercus; Cx, coxa; Fe, femur; Ga, galea; Gl, glossa; H, head; La, lacinia; LbP, labial palp; Lr, labrum; Md, mandible; Msn, mesonotum; Mtn, metanotum; Pgl, paraglossa; Pta, pretarsus; St, stipes; Ta, tarsus; Ti, tibia; Tr, trochanter. Scale bars: 100 µm (A, B); 20 µm (C, D)." figureDoi="10.3897/dez.68.65540.figure3" httpUri="https://binary.pensoft.net/fig/540151" pageId="0" pageNumber="179">3A</figureCitation>
). Antenna nine-segmented, same as half of body length (Fig.
<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. First instar nymphs of Yoraperla uenoi. A. Habitus, dorsal view, scanning electron microscopy (SEM); B. Habitus, dorsal view, same specimen as in (A), light microscopy; C. Mouth parts, ventral view, SEM, right side of maxillary pulp artificially lacking; D. Middle leg, SEM. Abbreviations: An, antenna; Ce, cercus; Cx, coxa; Fe, femur; Ga, galea; Gl, glossa; H, head; La, lacinia; LbP, labial palp; Lr, labrum; Md, mandible; Msn, mesonotum; Mtn, metanotum; Pgl, paraglossa; Pta, pretarsus; St, stipes; Ta, tarsus; Ti, tibia; Tr, trochanter. Scale bars: 100 µm (A, B); 20 µm (C, D)." figureDoi="10.3897/dez.68.65540.figure3" httpUri="https://binary.pensoft.net/fig/540151" pageId="0" pageNumber="179">3A, B</figureCitation>
; Table
<tableCitation captionStart="Table 1" captionStartId="T1" captionText="Table 1. Measurements of the fixed specimens of first instar nymphs of Microperla brevicauda and Yoraperla uenoi." httpUri="http://table.plazi.org/id/E87B748A671E17F6F87255491BD24CB4" pageId="0" pageNumber="179" tableUuid="E87B748A671E17F6F87255491BD24CB4">1</tableCitation>
). Compound eye reddish-black but ommatidia inconspicuous in fixed specimens; according to
<bibRefCitation author="Mtow, S" journalOrPublisher="Arthropod Systematics &amp; Phylogeny" pageId="0" pageNumber="179" pagination="65 - 86" publicationUrl="https://www.senckenberg.de/wp-content/uploads/2019/07/05_asp_76-1_mtow_65-86.pdf" refId="B31" refString="Mtow, S, Machida, R, 2018. Egg structure and embryonic development of arctoperlarian stoneflies: a comparative embryological study (Plecoptera). Arthropod Systematics &amp; Phylogeny 76 (1): 65 - 86, https://www.senckenberg.de/wp-content/uploads/2019/07/05_asp_76-1_mtow_65-86.pdf" title="Egg structure and embryonic development of arctoperlarian stoneflies: a comparative embryological study (Plecoptera)." url="https://www.senckenberg.de/wp-content/uploads/2019/07/05_asp_76-1_mtow_65-86.pdf" volume="76" year="2018">Mtow and Machida (2018)</bibRefCitation>
, four ommatidia formed in full-grown embryos of
<taxonomicName class="Insecta" genus="Y." higherTaxonomySource="GBIF,CoL" kingdom="Animalia" lsidName="Y. uenoi" order="Plecoptera" pageId="0" pageNumber="179" phylum="Arthropoda" rank="species" species="uenoi">
<emphasis italics="true" pageId="0" pageNumber="179">Y. uenoi</emphasis>
</taxonomicName>
. Labrum slightly trapezoidal, covering part of mandible (Fig.
<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. First instar nymphs of Yoraperla uenoi. A. Habitus, dorsal view, scanning electron microscopy (SEM); B. Habitus, dorsal view, same specimen as in (A), light microscopy; C. Mouth parts, ventral view, SEM, right side of maxillary pulp artificially lacking; D. Middle leg, SEM. Abbreviations: An, antenna; Ce, cercus; Cx, coxa; Fe, femur; Ga, galea; Gl, glossa; H, head; La, lacinia; LbP, labial palp; Lr, labrum; Md, mandible; Msn, mesonotum; Mtn, metanotum; Pgl, paraglossa; Pta, pretarsus; St, stipes; Ta, tarsus; Ti, tibia; Tr, trochanter. Scale bars: 100 µm (A, B); 20 µm (C, D)." figureDoi="10.3897/dez.68.65540.figure3" httpUri="https://binary.pensoft.net/fig/540151" pageId="0" pageNumber="179">3C</figureCitation>
). Mandible well-developed with teeth at its apex (Fig.
<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. First instar nymphs of Yoraperla uenoi. A. Habitus, dorsal view, scanning electron microscopy (SEM); B. Habitus, dorsal view, same specimen as in (A), light microscopy; C. Mouth parts, ventral view, SEM, right side of maxillary pulp artificially lacking; D. Middle leg, SEM. Abbreviations: An, antenna; Ce, cercus; Cx, coxa; Fe, femur; Ga, galea; Gl, glossa; H, head; La, lacinia; LbP, labial palp; Lr, labrum; Md, mandible; Msn, mesonotum; Mtn, metanotum; Pgl, paraglossa; Pta, pretarsus; St, stipes; Ta, tarsus; Ti, tibia; Tr, trochanter. Scale bars: 100 µm (A, B); 20 µm (C, D)." figureDoi="10.3897/dez.68.65540.figure3" httpUri="https://binary.pensoft.net/fig/540151" pageId="0" pageNumber="179">3C</figureCitation>
). Maxillary coxopodites divided into distal cardo and proximal stipes, but latter hardly visible from ventral view (Fig.
<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. First instar nymphs of Yoraperla uenoi. A. Habitus, dorsal view, scanning electron microscopy (SEM); B. Habitus, dorsal view, same specimen as in (A), light microscopy; C. Mouth parts, ventral view, SEM, right side of maxillary pulp artificially lacking; D. Middle leg, SEM. Abbreviations: An, antenna; Ce, cercus; Cx, coxa; Fe, femur; Ga, galea; Gl, glossa; H, head; La, lacinia; LbP, labial palp; Lr, labrum; Md, mandible; Msn, mesonotum; Mtn, metanotum; Pgl, paraglossa; Pta, pretarsus; St, stipes; Ta, tarsus; Ti, tibia; Tr, trochanter. Scale bars: 100 µm (A, B); 20 µm (C, D)." figureDoi="10.3897/dez.68.65540.figure3" httpUri="https://binary.pensoft.net/fig/540151" pageId="0" pageNumber="179">3C</figureCitation>
); maxillary palp and endites of maxilla, lateral galea, and mesal lacinia well developed (Fig.
<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. First instar nymphs of Yoraperla uenoi. A. Habitus, dorsal view, scanning electron microscopy (SEM); B. Habitus, dorsal view, same specimen as in (A), light microscopy; C. Mouth parts, ventral view, SEM, right side of maxillary pulp artificially lacking; D. Middle leg, SEM. Abbreviations: An, antenna; Ce, cercus; Cx, coxa; Fe, femur; Ga, galea; Gl, glossa; H, head; La, lacinia; LbP, labial palp; Lr, labrum; Md, mandible; Msn, mesonotum; Mtn, metanotum; Pgl, paraglossa; Pta, pretarsus; St, stipes; Ta, tarsus; Ti, tibia; Tr, trochanter. Scale bars: 100 µm (A, B); 20 µm (C, D)." figureDoi="10.3897/dez.68.65540.figure3" httpUri="https://binary.pensoft.net/fig/540151" pageId="0" pageNumber="179">3C</figureCitation>
); teeth formed at tip of lacinia (Fig.
<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. First instar nymphs of Yoraperla uenoi. A. Habitus, dorsal view, scanning electron microscopy (SEM); B. Habitus, dorsal view, same specimen as in (A), light microscopy; C. Mouth parts, ventral view, SEM, right side of maxillary pulp artificially lacking; D. Middle leg, SEM. Abbreviations: An, antenna; Ce, cercus; Cx, coxa; Fe, femur; Ga, galea; Gl, glossa; H, head; La, lacinia; LbP, labial palp; Lr, labrum; Md, mandible; Msn, mesonotum; Mtn, metanotum; Pgl, paraglossa; Pta, pretarsus; St, stipes; Ta, tarsus; Ti, tibia; Tr, trochanter. Scale bars: 100 µm (A, B); 20 µm (C, D)." figureDoi="10.3897/dez.68.65540.figure3" httpUri="https://binary.pensoft.net/fig/540151" pageId="0" pageNumber="179">3C</figureCitation>
). Labial coxopodites divided into proximal postmentum and distal prementum, but hardly recognizable in fixed specimen (Fig.
<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. First instar nymphs of Yoraperla uenoi. A. Habitus, dorsal view, scanning electron microscopy (SEM); B. Habitus, dorsal view, same specimen as in (A), light microscopy; C. Mouth parts, ventral view, SEM, right side of maxillary pulp artificially lacking; D. Middle leg, SEM. Abbreviations: An, antenna; Ce, cercus; Cx, coxa; Fe, femur; Ga, galea; Gl, glossa; H, head; La, lacinia; LbP, labial palp; Lr, labrum; Md, mandible; Msn, mesonotum; Mtn, metanotum; Pgl, paraglossa; Pta, pretarsus; St, stipes; Ta, tarsus; Ti, tibia; Tr, trochanter. Scale bars: 100 µm (A, B); 20 µm (C, D)." figureDoi="10.3897/dez.68.65540.figure3" httpUri="https://binary.pensoft.net/fig/540151" pageId="0" pageNumber="179">3C</figureCitation>
); labial palp and endites of labium, lateral paraglossa, and mesal glossa well developed (Fig.
<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. First instar nymphs of Yoraperla uenoi. A. Habitus, dorsal view, scanning electron microscopy (SEM); B. Habitus, dorsal view, same specimen as in (A), light microscopy; C. Mouth parts, ventral view, SEM, right side of maxillary pulp artificially lacking; D. Middle leg, SEM. Abbreviations: An, antenna; Ce, cercus; Cx, coxa; Fe, femur; Ga, galea; Gl, glossa; H, head; La, lacinia; LbP, labial palp; Lr, labrum; Md, mandible; Msn, mesonotum; Mtn, metanotum; Pgl, paraglossa; Pta, pretarsus; St, stipes; Ta, tarsus; Ti, tibia; Tr, trochanter. Scale bars: 100 µm (A, B); 20 µm (C, D)." figureDoi="10.3897/dez.68.65540.figure3" httpUri="https://binary.pensoft.net/fig/540151" pageId="0" pageNumber="179">3C</figureCitation>
). Pronotum rectangular with corners slightly rounded, slightly wider than head and wider than abdomen (Fig.
<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. First instar nymphs of Yoraperla uenoi. A. Habitus, dorsal view, scanning electron microscopy (SEM); B. Habitus, dorsal view, same specimen as in (A), light microscopy; C. Mouth parts, ventral view, SEM, right side of maxillary pulp artificially lacking; D. Middle leg, SEM. Abbreviations: An, antenna; Ce, cercus; Cx, coxa; Fe, femur; Ga, galea; Gl, glossa; H, head; La, lacinia; LbP, labial palp; Lr, labrum; Md, mandible; Msn, mesonotum; Mtn, metanotum; Pgl, paraglossa; Pta, pretarsus; St, stipes; Ta, tarsus; Ti, tibia; Tr, trochanter. Scale bars: 100 µm (A, B); 20 µm (C, D)." figureDoi="10.3897/dez.68.65540.figure3" httpUri="https://binary.pensoft.net/fig/540151" pageId="0" pageNumber="179">3A</figureCitation>
; Table
<tableCitation captionStart="Table 1" captionStartId="T1" captionText="Table 1. Measurements of the fixed specimens of first instar nymphs of Microperla brevicauda and Yoraperla uenoi." httpUri="http://table.plazi.org/id/E87B748A671E17F6F87255491BD24CB4" pageId="0" pageNumber="179" tableUuid="E87B748A671E17F6F87255491BD24CB4">1</tableCitation>
). Mesonotum and metanotum trapezoidal, slightly widening posteriorly (Fig.
<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. First instar nymphs of Yoraperla uenoi. A. Habitus, dorsal view, scanning electron microscopy (SEM); B. Habitus, dorsal view, same specimen as in (A), light microscopy; C. Mouth parts, ventral view, SEM, right side of maxillary pulp artificially lacking; D. Middle leg, SEM. Abbreviations: An, antenna; Ce, cercus; Cx, coxa; Fe, femur; Ga, galea; Gl, glossa; H, head; La, lacinia; LbP, labial palp; Lr, labrum; Md, mandible; Msn, mesonotum; Mtn, metanotum; Pgl, paraglossa; Pta, pretarsus; St, stipes; Ta, tarsus; Ti, tibia; Tr, trochanter. Scale bars: 100 µm (A, B); 20 µm (C, D)." figureDoi="10.3897/dez.68.65540.figure3" httpUri="https://binary.pensoft.net/fig/540151" pageId="0" pageNumber="179">3A</figureCitation>
). Thoracic appendage consisting of coxa, trochanter, femur, tibia, tarsus with three tarsomeres, and pretarsus with ungues (Fig.
<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. First instar nymphs of Yoraperla uenoi. A. Habitus, dorsal view, scanning electron microscopy (SEM); B. Habitus, dorsal view, same specimen as in (A), light microscopy; C. Mouth parts, ventral view, SEM, right side of maxillary pulp artificially lacking; D. Middle leg, SEM. Abbreviations: An, antenna; Ce, cercus; Cx, coxa; Fe, femur; Ga, galea; Gl, glossa; H, head; La, lacinia; LbP, labial palp; Lr, labrum; Md, mandible; Msn, mesonotum; Mtn, metanotum; Pgl, paraglossa; Pta, pretarsus; St, stipes; Ta, tarsus; Ti, tibia; Tr, trochanter. Scale bars: 100 µm (A, B); 20 µm (C, D)." figureDoi="10.3897/dez.68.65540.figure3" httpUri="https://binary.pensoft.net/fig/540151" pageId="0" pageNumber="179">3D</figureCitation>
); tibia almost identical in length to femur (Fig.
<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. First instar nymphs of Yoraperla uenoi. A. Habitus, dorsal view, scanning electron microscopy (SEM); B. Habitus, dorsal view, same specimen as in (A), light microscopy; C. Mouth parts, ventral view, SEM, right side of maxillary pulp artificially lacking; D. Middle leg, SEM. Abbreviations: An, antenna; Ce, cercus; Cx, coxa; Fe, femur; Ga, galea; Gl, glossa; H, head; La, lacinia; LbP, labial palp; Lr, labrum; Md, mandible; Msn, mesonotum; Mtn, metanotum; Pgl, paraglossa; Pta, pretarsus; St, stipes; Ta, tarsus; Ti, tibia; Tr, trochanter. Scale bars: 100 µm (A, B); 20 µm (C, D)." figureDoi="10.3897/dez.68.65540.figure3" httpUri="https://binary.pensoft.net/fig/540151" pageId="0" pageNumber="179">3D</figureCitation>
); two claws can be recognized from ventral view (data not shown). Abdominal segments with a row of long and short stout setae along posterior margin of each tergum, except first to third terga, covered by metanotum (Figs
<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. First instar nymphs of Yoraperla uenoi. A. Habitus, dorsal view, scanning electron microscopy (SEM); B. Habitus, dorsal view, same specimen as in (A), light microscopy; C. Mouth parts, ventral view, SEM, right side of maxillary pulp artificially lacking; D. Middle leg, SEM. Abbreviations: An, antenna; Ce, cercus; Cx, coxa; Fe, femur; Ga, galea; Gl, glossa; H, head; La, lacinia; LbP, labial palp; Lr, labrum; Md, mandible; Msn, mesonotum; Mtn, metanotum; Pgl, paraglossa; Pta, pretarsus; St, stipes; Ta, tarsus; Ti, tibia; Tr, trochanter. Scale bars: 100 µm (A, B); 20 µm (C, D)." figureDoi="10.3897/dez.68.65540.figure3" httpUri="https://binary.pensoft.net/fig/540151" pageId="0" pageNumber="179">3A</figureCitation>
,
<figureCitation captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Chloride cells of first instar nymphs of Microperla brevicauda and Yoraperla uenoi, anterior to the left. A. Abdomen of M. brevicauda, lateral view, stained with Mayer's acid haemalum; B, C. Horizontal sections of fifth abdominal segment of M. brevicauda (B) and Y. uenoi (C); D, E. Abdomen of M. brevicauda, lateral view, scanning electron microscopy (SEM), all abdominal segments (D) and enlargement of chloride cells (E); F, G. Abdomen of Y. uenoi, ventrolateral view, SEM, all abdominal segments (F) and enlargement of chloride cells (G). Arrowheads show the chloride cells. Abbreviations: A 1, 2, 3, 5, and 10: first, second, third, fifth and tenth abdominal segments, respectively; Ce, cercus; Mtn, metanotum. Scale bars: 50 µm (A, D, F); 10 µm (B, C, E, G)." figureDoi="10.3897/dez.68.65540.figure4" httpUri="https://binary.pensoft.net/fig/540152" pageId="0" pageNumber="179">4F</figureCitation>
); first terga without setae, second and third tergum with setae barely visible in section (data not shown). Coniform chloride cells approximately 10
<normalizedToken originalValue="µm">µm</normalizedToken>
in diameter and 1.5
<normalizedToken originalValue="µm">µm</normalizedToken>
in height distributed on posterior margin of second to ninth abdominal segments; one pair on second sternum; three pairs on third sternum; four pairs on fourth to seventh sterna; three or four pairs on eighth sternum; two pairs on ninth sternum (Fig.
<figureCitation captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Chloride cells of first instar nymphs of Microperla brevicauda and Yoraperla uenoi, anterior to the left. A. Abdomen of M. brevicauda, lateral view, stained with Mayer's acid haemalum; B, C. Horizontal sections of fifth abdominal segment of M. brevicauda (B) and Y. uenoi (C); D, E. Abdomen of M. brevicauda, lateral view, scanning electron microscopy (SEM), all abdominal segments (D) and enlargement of chloride cells (E); F, G. Abdomen of Y. uenoi, ventrolateral view, SEM, all abdominal segments (F) and enlargement of chloride cells (G). Arrowheads show the chloride cells. Abbreviations: A 1, 2, 3, 5, and 10: first, second, third, fifth and tenth abdominal segments, respectively; Ce, cercus; Mtn, metanotum. Scale bars: 50 µm (A, D, F); 10 µm (B, C, E, G)." figureDoi="10.3897/dez.68.65540.figure4" httpUri="https://binary.pensoft.net/fig/540152" pageId="0" pageNumber="179">4C, F, G</figureCitation>
). Cerci three-segmented, with a crown of long and short stout setae on posterior margin of first two segments; short stout setae on apex of third segment (Fig.
<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. First instar nymphs of Yoraperla uenoi. A. Habitus, dorsal view, scanning electron microscopy (SEM); B. Habitus, dorsal view, same specimen as in (A), light microscopy; C. Mouth parts, ventral view, SEM, right side of maxillary pulp artificially lacking; D. Middle leg, SEM. Abbreviations: An, antenna; Ce, cercus; Cx, coxa; Fe, femur; Ga, galea; Gl, glossa; H, head; La, lacinia; LbP, labial palp; Lr, labrum; Md, mandible; Msn, mesonotum; Mtn, metanotum; Pgl, paraglossa; Pta, pretarsus; St, stipes; Ta, tarsus; Ti, tibia; Tr, trochanter. Scale bars: 100 µm (A, B); 20 µm (C, D)." figureDoi="10.3897/dez.68.65540.figure3" httpUri="https://binary.pensoft.net/fig/540151" pageId="0" pageNumber="179">3A</figureCitation>
).
</paragraph>
<caption doi="10.3897/dez.68.65540.figure3" httpUri="https://binary.pensoft.net/fig/540151" pageId="0" pageNumber="179" start="Figure 3" startId="F3">
<paragraph pageId="0" pageNumber="179">
<emphasis bold="true" pageId="0" pageNumber="179">Figure 3.</emphasis>
First instar nymphs of
<taxonomicName baseAuthorityName="Kohno" baseAuthorityYear="1946" class="Insecta" family="Peltoperlidae" genus="Yoraperla" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Yoraperla uenoi" order="Plecoptera" pageId="0" pageNumber="179" phylum="Arthropoda" rank="species" species="uenoi">
<emphasis italics="true" pageId="0" pageNumber="179">Yoraperla uenoi</emphasis>
</taxonomicName>
.
<emphasis bold="true" pageId="0" pageNumber="179">A.</emphasis>
Habitus, dorsal view, scanning electron microscopy (SEM);
<emphasis bold="true" pageId="0" pageNumber="179">B.</emphasis>
Habitus, dorsal view, same specimen as in (
<emphasis bold="true" pageId="0" pageNumber="179">A</emphasis>
), light microscopy;
<emphasis bold="true" pageId="0" pageNumber="179">C.</emphasis>
Mouth parts, ventral view, SEM, right side of maxillary pulp artificially lacking;
<emphasis bold="true" pageId="0" pageNumber="179">D.</emphasis>
Middle leg, SEM. Abbreviations: An, antenna; Ce, cercus; Cx, coxa; Fe, femur; Ga, galea; Gl, glossa; H, head; La, lacinia; LbP, labial palp; Lr, labrum; Md, mandible; Msn, mesonotum; Mtn, metanotum; Pgl, paraglossa; Pta, pretarsus; St, stipes; Ta, tarsus; Ti, tibia; Tr, trochanter. Scale bars: 100
<normalizedToken originalValue="µm">µm</normalizedToken>
(
<emphasis bold="true" pageId="0" pageNumber="179">A, B</emphasis>
); 20
<normalizedToken originalValue="µm">µm</normalizedToken>
(
<emphasis bold="true" pageId="0" pageNumber="179">C, D</emphasis>
).
</paragraph>
</caption>
<caption doi="10.3897/dez.68.65540.figure4" httpUri="https://binary.pensoft.net/fig/540152" pageId="0" pageNumber="179" start="Figure 4" startId="F4">
<paragraph pageId="0" pageNumber="179">
<emphasis bold="true" pageId="0" pageNumber="179">Figure 4.</emphasis>
Chloride cells of first instar nymphs of
<taxonomicName authorityName="Kawai" authorityYear="1958" class="Insecta" family="Peltoperlidae" genus="Microperla" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Microperla brevicauda" order="Plecoptera" pageId="0" pageNumber="179" phylum="Arthropoda" rank="species" species="brevicauda">
<emphasis italics="true" pageId="0" pageNumber="179">Microperla brevicauda</emphasis>
</taxonomicName>
and
<taxonomicName baseAuthorityName="Kohno" baseAuthorityYear="1946" class="Insecta" family="Peltoperlidae" genus="Yoraperla" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Yoraperla uenoi" order="Plecoptera" pageId="0" pageNumber="179" phylum="Arthropoda" rank="species" species="uenoi">
<emphasis italics="true" pageId="0" pageNumber="179">Yoraperla uenoi</emphasis>
</taxonomicName>
, anterior to the left.
<emphasis bold="true" pageId="0" pageNumber="179">A.</emphasis>
Abdomen of
<taxonomicName genus="M." lsidName="M. brevicauda" pageId="0" pageNumber="179" rank="species" species="brevicauda">
<emphasis italics="true" pageId="0" pageNumber="179">M. brevicauda</emphasis>
</taxonomicName>
, lateral view, stained with
<normalizedToken originalValue="Mayers">Mayer's</normalizedToken>
acid haemalum;
<emphasis bold="true" pageId="0" pageNumber="179">B, C.</emphasis>
Horizontal sections of fifth abdominal segment of
<taxonomicName genus="M." lsidName="M. brevicauda" pageId="0" pageNumber="179" rank="species" species="brevicauda">
<emphasis italics="true" pageId="0" pageNumber="179">M. brevicauda</emphasis>
</taxonomicName>
(
<emphasis bold="true" pageId="0" pageNumber="179">B</emphasis>
) and
<taxonomicName class="Insecta" genus="Y." higherTaxonomySource="GBIF,CoL" kingdom="Animalia" lsidName="Y. uenoi" order="Plecoptera" pageId="0" pageNumber="179" phylum="Arthropoda" rank="species" species="uenoi">
<emphasis italics="true" pageId="0" pageNumber="179">Y. uenoi</emphasis>
</taxonomicName>
(
<emphasis bold="true" pageId="0" pageNumber="179">C</emphasis>
);
<emphasis bold="true" pageId="0" pageNumber="179">D, E.</emphasis>
Abdomen of
<taxonomicName genus="M." lsidName="M. brevicauda" pageId="0" pageNumber="179" rank="species" species="brevicauda">
<emphasis italics="true" pageId="0" pageNumber="179">M. brevicauda</emphasis>
</taxonomicName>
, lateral view, scanning electron microscopy (SEM), all abdominal segments (
<emphasis bold="true" pageId="0" pageNumber="179">D</emphasis>
) and enlargement of chloride cells (
<emphasis bold="true" pageId="0" pageNumber="179">E</emphasis>
);
<emphasis bold="true" pageId="0" pageNumber="179">F, G.</emphasis>
Abdomen of
<taxonomicName class="Insecta" genus="Y." higherTaxonomySource="GBIF,CoL" kingdom="Animalia" lsidName="Y. uenoi" order="Plecoptera" pageId="0" pageNumber="179" phylum="Arthropoda" rank="species" species="uenoi">
<emphasis italics="true" pageId="0" pageNumber="179">Y. uenoi</emphasis>
</taxonomicName>
, ventrolateral view, SEM, all abdominal segments (
<emphasis bold="true" pageId="0" pageNumber="179">F</emphasis>
) and enlargement of chloride cells (
<emphasis bold="true" pageId="0" pageNumber="179">G</emphasis>
). Arrowheads show the chloride cells. Abbreviations: A1, 2, 3, 5, and 10: first, second, third, fifth and tenth abdominal segments, respectively; Ce, cercus; Mtn, metanotum. Scale bars: 50
<normalizedToken originalValue="µm">µm</normalizedToken>
(
<emphasis bold="true" pageId="0" pageNumber="179">A, D, F</emphasis>
); 10
<normalizedToken originalValue="µm">µm</normalizedToken>
(
<emphasis bold="true" pageId="0" pageNumber="179">B, C, E, G</emphasis>
).
</paragraph>
</caption>
</subSubSection>
</treatment>
</subSection>
</document>