425 lines
57 KiB
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425 lines
57 KiB
XML
<document ID-CLB-Dataset="24351" ID-DOI="http://dx.doi.org/10.3897/zookeys.902.46844" ID-GBIF-Dataset="d4ed6281-9d8a-4055-bbe0-a1b996512927" ID-PMC="PMC6971129" ID-Pensoft-Pub="1313-2970-902-17" ID-Pensoft-UUID="F4535196A3EF5764B53961A797893D78" ID-PubMed="31988597" ID-ZooBank="5086252D43AC42149D740987C59AB555" ModsDocID="1313-2970-902-17" checkinTime="1578966016174" checkinUser="pensoft" docAuthor="Auychinda, Chonlakran, Sartori, Michel & Boonsoong, Boonsatien" docDate="2020" docId="0B070CDE368F5605BB9BA3894D30232E" docLanguage="en" docName="ZooKeys 902: 17-36" docOrigin="ZooKeys 902" docSource="http://dx.doi.org/10.3897/zookeys.902.46844" docTitle="Vietnamella thani Tshernova 1972" docType="treatment" docVersion="7" id="F4535196A3EF5764B53961A797893D78" lastPageNumber="17" masterDocId="F4535196A3EF5764B53961A797893D78" masterDocTitle="Vietnamellidae (Insecta, Ephemeroptera) of Thailand" masterLastPageNumber="36" masterPageNumber="17" pageNumber="17" updateTime="1732827995858" updateUser="ExternalLinkService">
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<mods:mods id="621C9BBD91A4A65CCE9426FDDE4C0857" xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:titleInfo id="E1E375186F5093CB0879DDEA52770E61">
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<mods:title id="566C492D7AAC0282DA369645387B3789">Vietnamellidae (Insecta, Ephemeroptera) of Thailand</mods:title>
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<mods:name id="074CEDAA35DFBEF18076CA7A9AAB5CB9" type="personal">
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<mods:namePart id="FEB66027DC3D96D8B70A94BE98B82454">Auychinda, Chonlakran</mods:namePart>
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<mods:roleTerm id="D476517675FAF31F08ACAA0226F9CE03">Author</mods:roleTerm>
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<mods:namePart id="BEE8A621FA33DA8F9C436120979F3A78">Sartori, Michel</mods:namePart>
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<mods:name id="19C7CFA9A366C07D2B95179BA287C7C8" type="personal">
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<mods:namePart id="836606B06517EE00F8ABF352FA6FB4A0">Boonsoong, Boonsatien</mods:namePart>
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<mods:typeOfResource id="E26A051E79F4ED88F4A7F4C7779F5C1F">text</mods:typeOfResource>
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<mods:title id="E6856374F748AF842FD7ACD7516BB359">ZooKeys</mods:title>
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<mods:part id="CFAC392EB0FB1A71F1E55D803A69B017">
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<mods:date id="1C223B86FFBAF07110EE379F62D18D92">2020</mods:date>
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<mods:detail id="95F2CA3332659EADAE100FB27BBD5635" type="volume">
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<mods:number id="80BDA55EAD75B6CD7B77F4B5967E5410">902</mods:number>
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<mods:start id="E70C041525CCB891287F098CB2B20BB9">17</mods:start>
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<mods:url id="F838A316B26EF4C8E7FC823BFC108B91">http://dx.doi.org/10.3897/zookeys.902.46844</mods:url>
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<mods:classification id="FBABEC7E0EC2E64DE4BB3B662AE75034">journal article</mods:classification>
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<mods:identifier id="019299374DBC735DFD81B4E5F8959074" type="DOI">http://dx.doi.org/10.3897/zookeys.902.46844</mods:identifier>
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<mods:identifier id="1B3C83C29633EB53A450B9B5E9970E5F" type="Pensoft-Pub">1313-2970-902-17</mods:identifier>
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<treatment id="0B070CDE368F5605BB9BA3894D30232E" ID-GBIF-Taxon="161677756" LSID="urn:lsid:plazi:treatment:0B070CDE368F5605BB9BA3894D30232E" httpUri="http://treatment.plazi.org/id/0B070CDE368F5605BB9BA3894D30232E" lastPageNumber="17" pageId="0" pageNumber="17" scope_class="Insecta" scope_family="Vietnamellidae" scope_order="Ephemeroptera">
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<subSubSection id="82E3C9FB86CB0E8A9DE92FDEEE4F6B54" pageId="0" pageNumber="17" type="nomenclature">
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<paragraph id="DD4F5B5219955B66E007D44A2E415506" pageId="0" pageNumber="17">
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<taxonomicName id="AAB57858A43CE33FE05287A5B6819EAF" ID-CoL="5BDFT" LSID="0B070CDE-368F-5605-BB9B-A3894D30232E" authority="Tshernova, 1972" authorityName="Tshernova" authorityYear="1972" class="Insecta" family="Vietnamellidae" genus="Vietnamella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Vietnamella thani" order="Ephemeroptera" pageId="0" pageNumber="17" phylum="Arthropoda" rank="species" species="thani">Vietnamella thani Tshernova, 1972</taxonomicName>
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<figureCitation id="784C6743E6981A1F1418485FE1FA37A8" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Vietnamella spp. Vietnamella maculosa sp. nov. (A, D, G, J): A outer projection on head (arrow) D inner and outer projections on head G, J tubercle on tergite VII and X; Vietnamella sp. B (B, E, H, K): B outer projection on head (arrow) E inner and outer projections with serration on head H, K tubercles on tergite VII and X; Vietnamella thani (C, F, I, L): C outer projection on head (arrow) F inner and outer projections on head I, L tubercles on tergite VII and X. Scale bars: 1 mm (A-C); 0.5 mm (G); 0.1 mm (D-F, H, I); 0.05 mm (J-L)." figureDoi="10.3897/zookeys.902.46844.figure4" httpUri="https://binary.pensoft.net/fig/371641" pageId="0" pageNumber="17">Figs 4C, F, I, L</figureCitation>
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<figureCitation id="E59A994EB88E4A8452A5A4886B88139E" captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Forefemur and setae A forefemur of Vietnamella maculosa sp. nov. with serration of transverse ridge (arrow) B setae on transverse ridge of Vietnamella maculosa sp. nov. C setae on transverse ridge of V. thani. Scale bars: 1 mm (A); 0.01 mm (B, C)." figureDoi="10.3897/zookeys.902.46844.figure5" httpUri="https://binary.pensoft.net/fig/371642" pageId="0" pageNumber="17">, 5C</figureCitation>
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<figureCitation id="B247BDA08D46D61EE4FD37F2CAB0CF74" captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Male imago of Vietnamella thani A dorsal view of head B lateral view of head C foreleg D middle leg E hindleg F, G dorsal and ventral view of thorax H forewing I hindwing J ventral view of genitalia K dorsal view of genitalia L lateral view of genitalia M dorsal view of abdomen N lateral view of abdomen O ventral view of abdomen. Scale bars: 1 mm." figureDoi="10.3897/zookeys.902.46844.figure7" httpUri="https://binary.pensoft.net/fig/371644" pageId="0" pageNumber="17">, 7A-O</figureCitation>
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<figureCitation id="A086672234B966CF228A32A30F3BF021" captionStart="Figure 8" captionStartId="F8" captionText="Figure 8. Male subimago of Vietnamella thani A dorsal view of head B lateral view of head C foreleg D middle leg E hindleg F, G dorsal and ventral view of thorax H forewing I hindwing J ventral view of genitalia K dorsal view of genitalia L lateral view of genitalia M dorsal view of abdomen N lateral view of abdomen O ventral view of abdomen. Scale bars: 1 mm." figureDoi="10.3897/zookeys.902.46844.figure8" httpUri="https://binary.pensoft.net/fig/371645" pageId="0" pageNumber="17">, 8A-O</figureCitation>
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<figureCitation id="691D930289CE3566D18DEBF1EF3C6C41" captionStart="Figure 9" captionStartId="F9" captionText="Figure 9. Female imago of Vietnamella thani A dorsal view of head B lateral view of head C foreleg D middle leg E hindleg F, G dorsal and ventral view of thorax H forewing I hindwing J, K ventral and dorsal view of genitalia L dorsal view of abdomen M lateral view of abdomen N ventral view of abdomen. Scale bars: 1 mm." figureDoi="10.3897/zookeys.902.46844.figure9" httpUri="https://binary.pensoft.net/fig/371646" pageId="0" pageNumber="17">, 9A-N</figureCitation>
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<figureCitation id="4B163A9A483829C87EAD6962AB6F1967" captionStart="Figure 10" captionStartId="F10" captionText="Figure 10. Vietnamella thani A habitat B habitus of larva C habitus of male imago (incomplete molting)." figureDoi="10.3897/zookeys.902.46844.figure10" httpUri="https://binary.pensoft.net/fig/371647" pageId="0" pageNumber="17">, 10B, C</figureCitation>
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<figureCitation id="24AD4A9806C1399C9FCF17D4E121A10A" captionStart="Figure 11" captionStartId="F11" captionText="Figure 11. SEM of egg structure of Vietnamella thani A overview B detail of Knob Terminated Coiled Thread (KCT) and chorionic surface C micropyle. Scale bars: 50 µm." figureDoi="10.3897/zookeys.902.46844.figure11" httpUri="https://binary.pensoft.net/fig/371648" pageId="0" pageNumber="17">, 11A-C</figureCitation>
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</paragraph>
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</subSubSection>
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<subSubSection id="201544C1B944FB7872CFB7EA50032795" pageId="0" pageNumber="17" type="reference_group">
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<paragraph id="0CC262F775F377AC3AFCE3F836B2D767" pageId="0" pageNumber="17">
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<taxonomicName id="14408B4859B57B1A3A8462E4CCD130CF" authorityName="Tshernova" authorityYear="1972" class="Insecta" family="Vietnamellidae" genus="Vietnamella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Vietnamella thani" order="Ephemeroptera" pageId="0" pageNumber="17" phylum="Arthropoda" rank="species" species="thani">Vietnamella thani</taxonomicName>
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Tshernova, 1972: 604-614, fig. 4 (orig.);
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<bibRefCitation id="C9D09ACF23FADC1A9A8C13A541EDE8C1" DOI="https://doi.org/10.11646/zootaxa.4286.3.5" author="Hu, Z" journalOrPublisher="Zootaxa" pageId="0" pageNumber="17" pagination="381 - 390" refId="B3" refString="Hu, Z, Ma, ZX, Luo, JY, Zhou, CF, 2017. Redescription and commentary on the Chinese mayfly Vietnamella sinensis (Ephemeroptera: Vietnamellidae). Zootaxa 4286 (3): 381 - 390, DOI: https://doi.org/10.11646/zootaxa.4286.3.5" title="Redescription and commentary on the Chinese mayfly Vietnamella sinensis (Ephemeroptera: Vietnamellidae)." url="https://doi.org/10.11646/zootaxa.4286.3.5" volume="4286" year="2017">Hu et al. 2017</bibRefCitation>
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: 381-390, fig. 7 (distribution).
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</paragraph>
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</subSubSection>
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<subSubSection id="29EC083778071F532F286BEA0F8BECD2" pageId="0" pageNumber="17" type="materials_examined">
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<paragraph id="32817286178127FC9E61BBAB7BAF0565" pageId="0" pageNumber="17">Material examined.</paragraph>
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<paragraph id="80D2E307B0F3CBC7515289441C3BD21E" pageId="0" pageNumber="17">
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Thailand; Kanchanaburi Province, Thong Pha Phum, Huai Pak Kok,
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<geoCoordinate id="CDF632C9F9834D78613D5D7ED133C695" degrees="14" direction="north" minutes="35" orientation="latitude" precision="1" seconds="01.4" value="14.583722">14°35'01.4"N</geoCoordinate>
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,
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<geoCoordinate id="4AD24FE8FCB534B89F1A41E33C37175B" degrees="98" direction="east" minutes="34" orientation="longitude" precision="1" seconds="54.0" value="98.581665">98°34'54.0"E</geoCoordinate>
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, 161 m, 15.X.2015, 1 larva; 20.II.2016, 1 larva; 21.II.2016, 3 larvae, 1 female imago; 31.I.2019, 9 larvae, 1 male subimago (reared), 1 male imago (reared). Huai Khayeng, Ban Prachum Mai,
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<geoCoordinate id="0205E0B6A57E892321801D7ACD884680" degrees="14" direction="north" minutes="39" orientation="latitude" precision="1" seconds="34.0" value="14.659444">14°39'34.0"N</geoCoordinate>
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,
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<geoCoordinate id="A5FE4A5401BBC66174FD9C7D43C4AFEE" degrees="98" direction="east" minutes="32" orientation="longitude" precision="1" seconds="02.0" value="98.53389">98°32'02.0"E</geoCoordinate>
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, 233 m, 20.II.2016, 4 larvae, [ZMKU]; 13.XII.2014, 1 larva, all B. Boonsoong leg; 15.X.2015, 3 larvae, B. Boonsoong & M. Sartori leg. [MZL]. Prachuap Khiri Khan Province, Kui Buri, Huai Samrong,
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<geoCoordinate id="BFE2DDE5B7B14E93E66CC1DC79DE45E9" degrees="12" direction="north" minutes="03" orientation="latitude" precision="1" seconds="55.0" value="12.065278">12°03'55.0"N</geoCoordinate>
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,
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<geoCoordinate id="75CDD5F63193DC876E81A856C24E5EB8" degrees="99" direction="east" minutes="37" orientation="longitude" precision="1" seconds="38.0" value="99.62723">99°37'38.0"E</geoCoordinate>
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, 103 m, 11 larvae, D. Chainthong leg. [ZMKU].
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</paragraph>
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</subSubSection>
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<subSubSection id="C16C7F8E1F41A56E906F114AEE3EF2A2" pageId="0" pageNumber="17" type="diagnosis">
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<paragraph id="AFED7313888DBA4C0D6F390E608226B5" pageId="0" pageNumber="17">Diagnosis.</paragraph>
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<paragraph id="ADB92D5547D336C6A40CBE0DEB0CA7A1" pageId="0" pageNumber="17">
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The larva of
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<taxonomicName id="AA850EAEE593820227D0E3C77CD5692C" authorityName="Tshernova" authorityYear="1972" class="Insecta" family="Vietnamellidae" genus="Vietnamella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Vietnamella thani" order="Ephemeroptera" pageId="0" pageNumber="17" phylum="Arthropoda" rank="species" species="thani">
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<emphasis id="A0EBD7F8B789A936683F4D1B2B0E7892" italics="true" pageId="0" pageNumber="17">Vietnamella thani</emphasis>
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</taxonomicName>
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can be distinguished from those of other
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<taxonomicName id="E18FC06360C2ECA86361E1F06F3530FE" class="Insecta" family="Vietnamellidae" genus="Vietnamella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Vietnamella" order="Ephemeroptera" pageId="0" pageNumber="17" phylum="Arthropoda" rank="genus">
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<emphasis id="C8253D8DDC33717D8F35CFFF89F37BD5" italics="true" pageId="0" pageNumber="17">Vietnamella</emphasis>
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</taxonomicName>
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based on the following characteristics: i) outer pairs of projections on the head are long, triangular, and cone shaped without serrated spines; ii) the first and second segments of the maxillary palpi have an equal length ratio; iii) the forefemur has a serrated transverse ridge with spatulate setae (Fig.
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<figureCitation id="384E7334A62B2CD7A49560585EBD48D9" captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Forefemur and setae A forefemur of Vietnamella maculosa sp. nov. with serration of transverse ridge (arrow) B setae on transverse ridge of Vietnamella maculosa sp. nov. C setae on transverse ridge of V. thani. Scale bars: 1 mm (A); 0.01 mm (B, C)." figureDoi="10.3897/zookeys.902.46844.figure5" httpUri="https://binary.pensoft.net/fig/371642" pageId="0" pageNumber="17">5C</figureCitation>
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); and iv) the abdominal tergite X either lacks or has a poorly-developed pair of tubercles (Fig.
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<figureCitation id="9B9C4C8150633347091EA4A7F2343588" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Vietnamella spp. Vietnamella maculosa sp. nov. (A, D, G, J): A outer projection on head (arrow) D inner and outer projections on head G, J tubercle on tergite VII and X; Vietnamella sp. B (B, E, H, K): B outer projection on head (arrow) E inner and outer projections with serration on head H, K tubercles on tergite VII and X; Vietnamella thani (C, F, I, L): C outer projection on head (arrow) F inner and outer projections on head I, L tubercles on tergite VII and X. Scale bars: 1 mm (A-C); 0.5 mm (G); 0.1 mm (D-F, H, I); 0.05 mm (J-L)." figureDoi="10.3897/zookeys.902.46844.figure4" httpUri="https://binary.pensoft.net/fig/371641" pageId="0" pageNumber="17">4L</figureCitation>
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).
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</paragraph>
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</subSubSection>
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<subSubSection id="453D888C7C9346A8000CC0AE1D6A9B2B" pageId="0" pageNumber="17" type="description">
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<paragraph id="E8A149D6DB0809D0F20E0F9CC8D480B2" pageId="0" pageNumber="17">Description of imagoes.</paragraph>
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<paragraph id="D6A9C31BAD21003E4C78FA0D5E6498EF" pageId="0" pageNumber="17">
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<emphasis id="E237CE4F57FEA0E9F5A9C353003096D6" bold="true" pageId="0" pageNumber="17">Male imago</emphasis>
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(in alcohol, Figs
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<figureCitation id="C8478F8A014DFA9CB096A8D7E5024A6C" captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Male imago of Vietnamella thani A dorsal view of head B lateral view of head C foreleg D middle leg E hindleg F, G dorsal and ventral view of thorax H forewing I hindwing J ventral view of genitalia K dorsal view of genitalia L lateral view of genitalia M dorsal view of abdomen N lateral view of abdomen O ventral view of abdomen. Scale bars: 1 mm." figureDoi="10.3897/zookeys.902.46844.figure7" httpUri="https://binary.pensoft.net/fig/371644" pageId="0" pageNumber="17">7</figureCitation>
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,
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<figureCitation id="733ECD8BC8E97E194151BCCDC484F344" captionStart="Figure 10" captionStartId="F10" captionText="Figure 10. Vietnamella thani A habitat B habitus of larva C habitus of male imago (incomplete molting)." figureDoi="10.3897/zookeys.902.46844.figure10" httpUri="https://binary.pensoft.net/fig/371647" pageId="0" pageNumber="17">10C</figureCitation>
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).
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<emphasis id="E78E82A531F81D50BEB012C00104448A" bold="true" pageId="0" pageNumber="17">
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<emphasis id="A5DAEA2F16BBB26C1F7069A348F94DEB" italics="true" pageId="0" pageNumber="17">Head</emphasis>
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.
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</emphasis>
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Eyes rounded with ventral part brown-yellowish and dorsal part yellowish (Fig.
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<figureCitation id="D529F7D8124A8C99BB887C67BEC2DBDC" captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Male imago of Vietnamella thani A dorsal view of head B lateral view of head C foreleg D middle leg E hindleg F, G dorsal and ventral view of thorax H forewing I hindwing J ventral view of genitalia K dorsal view of genitalia L lateral view of genitalia M dorsal view of abdomen N lateral view of abdomen O ventral view of abdomen. Scale bars: 1 mm." figureDoi="10.3897/zookeys.902.46844.figure7" httpUri="https://binary.pensoft.net/fig/371644" pageId="0" pageNumber="17">7A, B</figureCitation>
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).
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<emphasis id="95E1B76FA3D913A72C7287525146E91B" bold="true" pageId="0" pageNumber="17">
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<emphasis id="74978D036F58AEFCB1A75D89D4716A5A" italics="true" pageId="0" pageNumber="17">Thorax</emphasis>
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.
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</emphasis>
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Forelegs (8.07 mm), length ratio of femur and tibia = 1:1.45; length ratio of four tarsal segments is 3:2:1.5:1 (Fig.
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<figureCitation id="11E7AE6DE77C7F7F00A29F9194C5147C" captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Male imago of Vietnamella thani A dorsal view of head B lateral view of head C foreleg D middle leg E hindleg F, G dorsal and ventral view of thorax H forewing I hindwing J ventral view of genitalia K dorsal view of genitalia L lateral view of genitalia M dorsal view of abdomen N lateral view of abdomen O ventral view of abdomen. Scale bars: 1 mm." figureDoi="10.3897/zookeys.902.46844.figure7" httpUri="https://binary.pensoft.net/fig/371644" pageId="0" pageNumber="17">7C</figureCitation>
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). Midlegs (4.76 mm), length ratio of femur and tibia = 1.2:1; length ratio of four tarsal segments is 1:1:1:3 (Fig.
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<figureCitation id="BAE878A35D870755320B40BF955ABCD1" captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Male imago of Vietnamella thani A dorsal view of head B lateral view of head C foreleg D middle leg E hindleg F, G dorsal and ventral view of thorax H forewing I hindwing J ventral view of genitalia K dorsal view of genitalia L lateral view of genitalia M dorsal view of abdomen N lateral view of abdomen O ventral view of abdomen. Scale bars: 1 mm." figureDoi="10.3897/zookeys.902.46844.figure7" httpUri="https://binary.pensoft.net/fig/371644" pageId="0" pageNumber="17">7D</figureCitation>
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). Hindlegs (4.97 mm), length ratio of femur and tibia = 1.4:1; length ratio of four tarsal segments is 1:1:1:4 (Fig.
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<figureCitation id="DBEF746AEB5C8DBD4FF28EC1641C9A35" captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Male imago of Vietnamella thani A dorsal view of head B lateral view of head C foreleg D middle leg E hindleg F, G dorsal and ventral view of thorax H forewing I hindwing J ventral view of genitalia K dorsal view of genitalia L lateral view of genitalia M dorsal view of abdomen N lateral view of abdomen O ventral view of abdomen. Scale bars: 1 mm." figureDoi="10.3897/zookeys.902.46844.figure7" httpUri="https://binary.pensoft.net/fig/371644" pageId="0" pageNumber="17">7E</figureCitation>
|
|
). Mesonotum with a notable median longitudinal suture, two medioparapsidal sutures (Fig.
|
|
<figureCitation id="EDA5F748ECB8E84EE33D5BDC7422FD07" captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Male imago of Vietnamella thani A dorsal view of head B lateral view of head C foreleg D middle leg E hindleg F, G dorsal and ventral view of thorax H forewing I hindwing J ventral view of genitalia K dorsal view of genitalia L lateral view of genitalia M dorsal view of abdomen N lateral view of abdomen O ventral view of abdomen. Scale bars: 1 mm." figureDoi="10.3897/zookeys.902.46844.figure7" httpUri="https://binary.pensoft.net/fig/371644" pageId="0" pageNumber="17">7F</figureCitation>
|
|
). Mesosternum with a square basisternum, broad furcasternum (Fig.
|
|
<figureCitation id="BAC24EC7C49C5659C09FC16E3A5E0B50" captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Male imago of Vietnamella thani A dorsal view of head B lateral view of head C foreleg D middle leg E hindleg F, G dorsal and ventral view of thorax H forewing I hindwing J ventral view of genitalia K dorsal view of genitalia L lateral view of genitalia M dorsal view of abdomen N lateral view of abdomen O ventral view of abdomen. Scale bars: 1 mm." figureDoi="10.3897/zookeys.902.46844.figure7" httpUri="https://binary.pensoft.net/fig/371644" pageId="0" pageNumber="17">7G</figureCitation>
|
|
). Forewings, numerous crossviens. MA forked middle of wing, MP forked basally, three intercalaries between MP1 and MP2; CuA and CuP adjacent at base; cubital field with three bifurcate veins arising from CuA (Fig.
|
|
<figureCitation id="A2D44D697C3846583FCC2DD6DD11AD98" captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Male imago of Vietnamella thani A dorsal view of head B lateral view of head C foreleg D middle leg E hindleg F, G dorsal and ventral view of thorax H forewing I hindwing J ventral view of genitalia K dorsal view of genitalia L lateral view of genitalia M dorsal view of abdomen N lateral view of abdomen O ventral view of abdomen. Scale bars: 1 mm." figureDoi="10.3897/zookeys.902.46844.figure7" httpUri="https://binary.pensoft.net/fig/371644" pageId="0" pageNumber="17">7H</figureCitation>
|
|
). Hind wings rounded, leading margin slightly concave, with clear crossveins; seven crossveins with one bifurcate between Sc and RA; three crossveins between MA and MP (Fig.
|
|
<figureCitation id="CCECE1E360F83084F9BB15E322B72046" captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Male imago of Vietnamella thani A dorsal view of head B lateral view of head C foreleg D middle leg E hindleg F, G dorsal and ventral view of thorax H forewing I hindwing J ventral view of genitalia K dorsal view of genitalia L lateral view of genitalia M dorsal view of abdomen N lateral view of abdomen O ventral view of abdomen. Scale bars: 1 mm." figureDoi="10.3897/zookeys.902.46844.figure7" httpUri="https://binary.pensoft.net/fig/371644" pageId="0" pageNumber="17">7I</figureCitation>
|
|
).
|
|
<emphasis id="13261A82276F2D112526AF47715E8C7B" bold="true" pageId="0" pageNumber="17">
|
|
<emphasis id="CE5497C341408FABAA9F8ED71B98A2CB" italics="true" pageId="0" pageNumber="17">Abdomen</emphasis>
|
|
.
|
|
</emphasis>
|
|
Genitalia with three-segmented forceps (1.2 mm), first segment = 0.6 mm, second segment = 0.45 mm, apical segment = 0.15, small and nearly rounded; penes (0.76 mm) totally fused with a shallow median cleft; subgenital plate slightly convex (Fig.
|
|
<figureCitation id="8F47FA8E045A9D2013DFE27EEC7E7149" captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Male imago of Vietnamella thani A dorsal view of head B lateral view of head C foreleg D middle leg E hindleg F, G dorsal and ventral view of thorax H forewing I hindwing J ventral view of genitalia K dorsal view of genitalia L lateral view of genitalia M dorsal view of abdomen N lateral view of abdomen O ventral view of abdomen. Scale bars: 1 mm." figureDoi="10.3897/zookeys.902.46844.figure7" httpUri="https://binary.pensoft.net/fig/371644" pageId="0" pageNumber="17">7J-L</figureCitation>
|
|
). Abdominal segment IX with lateral projection, white stripe on sternites VII-IX (Fig.
|
|
<figureCitation id="41834B97FA0A636C8C3B442AE06B95C5" captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Male imago of Vietnamella thani A dorsal view of head B lateral view of head C foreleg D middle leg E hindleg F, G dorsal and ventral view of thorax H forewing I hindwing J ventral view of genitalia K dorsal view of genitalia L lateral view of genitalia M dorsal view of abdomen N lateral view of abdomen O ventral view of abdomen. Scale bars: 1 mm." figureDoi="10.3897/zookeys.902.46844.figure7" httpUri="https://binary.pensoft.net/fig/371644" pageId="0" pageNumber="17">7M-O</figureCitation>
|
|
).
|
|
</paragraph>
|
|
<caption id="AD88170B93B09F819D503EB5C2C3907A" doi="10.3897/zookeys.902.46844.figure7" httpUri="https://binary.pensoft.net/fig/371644" pageId="0" pageNumber="17" start="Figure 7" startId="F7">
|
|
<paragraph id="2952B2D22CC4D781424FD02A3C767C2D" pageId="0" pageNumber="17">
|
|
<emphasis id="E36A66FACB445B4DE2A03D9596352A8E" bold="true" pageId="0" pageNumber="17">Figure 7.</emphasis>
|
|
Male imago of
|
|
<taxonomicName id="F472938BA5021AEF3D3AA9718EEF266A" authorityName="Tshernova" authorityYear="1972" class="Insecta" family="Vietnamellidae" genus="Vietnamella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Vietnamella thani" order="Ephemeroptera" pageId="0" pageNumber="17" phylum="Arthropoda" rank="species" species="thani">
|
|
<emphasis id="61845E732293D09B1A882C317C1D81F4" italics="true" pageId="0" pageNumber="17">Vietnamella thani</emphasis>
|
|
</taxonomicName>
|
|
<emphasis id="CAE8906FD10F8155BD8597309F3911EC" bold="true" pageId="0" pageNumber="17">A</emphasis>
|
|
dorsal view of head
|
|
<emphasis id="FE207047CF8B836D6769994ED6BA6CA0" bold="true" pageId="0" pageNumber="17">B</emphasis>
|
|
lateral view of head
|
|
<emphasis id="C9B699F37783AC4F65A110B26E30BA9C" bold="true" pageId="0" pageNumber="17">C</emphasis>
|
|
foreleg
|
|
<emphasis id="20F3F2658E005D03164F3D30CFFACE06" bold="true" pageId="0" pageNumber="17">D</emphasis>
|
|
middle leg
|
|
<emphasis id="61D37D67EB4677682201157B5DA29EA6" bold="true" pageId="0" pageNumber="17">E</emphasis>
|
|
hindleg
|
|
<emphasis id="A3873B04EFE6927AD1B856F4226434A6" bold="true" pageId="0" pageNumber="17">F, G</emphasis>
|
|
dorsal and ventral view of thorax
|
|
<emphasis id="EB35CFC2EFE9087C64A7EED7A87413C3" bold="true" pageId="0" pageNumber="17">H</emphasis>
|
|
forewing
|
|
<emphasis id="F88258267666E7F16D4F88CA666D947B" bold="true" pageId="0" pageNumber="17">I</emphasis>
|
|
hindwing
|
|
<emphasis id="4993B8F87C1A4393CFD7D3F9B6A30003" bold="true" pageId="0" pageNumber="17">J</emphasis>
|
|
ventral view of genitalia
|
|
<emphasis id="6CA8973CABD6F8A895C23D500E475309" bold="true" pageId="0" pageNumber="17">K</emphasis>
|
|
dorsal view of genitalia
|
|
<emphasis id="B36AE3F197C2C66B6D6D726E36904298" bold="true" pageId="0" pageNumber="17">L</emphasis>
|
|
lateral view of genitalia
|
|
<emphasis id="E29690E552E27C6655E6FE6D9E597D9D" bold="true" pageId="0" pageNumber="17">M</emphasis>
|
|
dorsal view of abdomen
|
|
<emphasis id="86A895533A6018F4AA16B69F76E32CDB" bold="true" pageId="0" pageNumber="17">N</emphasis>
|
|
lateral view of abdomen
|
|
<emphasis id="2C9BE202DA67EC4B78467AC332BC6254" bold="true" pageId="0" pageNumber="17">O</emphasis>
|
|
ventral view of abdomen. Scale bars: 1 mm.
|
|
</paragraph>
|
|
</caption>
|
|
<paragraph id="DBFA461FC2B537C0D575017029E3807F" pageId="0" pageNumber="17">
|
|
<emphasis id="D5BC8F1ACF1F4C23A61606AC9AB9A0C2" bold="true" pageId="0" pageNumber="17">Male subimago.</emphasis>
|
|
(in alcohol, Fig.
|
|
<figureCitation id="C9BF5F20E0A9DD6D281F37E9FB57A801" captionStart="Figure 8" captionStartId="F8" captionText="Figure 8. Male subimago of Vietnamella thani A dorsal view of head B lateral view of head C foreleg D middle leg E hindleg F, G dorsal and ventral view of thorax H forewing I hindwing J ventral view of genitalia K dorsal view of genitalia L lateral view of genitalia M dorsal view of abdomen N lateral view of abdomen O ventral view of abdomen. Scale bars: 1 mm." figureDoi="10.3897/zookeys.902.46844.figure8" httpUri="https://binary.pensoft.net/fig/371645" pageId="0" pageNumber="17">8</figureCitation>
|
|
).
|
|
<emphasis id="6AD24F1844051D1E6484A5DC934E075B" bold="true" pageId="0" pageNumber="17">
|
|
<emphasis id="879CF2300A772FF9908659FCA1F21E40" italics="true" pageId="0" pageNumber="17">Head</emphasis>
|
|
.
|
|
</emphasis>
|
|
Eyes rounded; dorsal part dark grey; ventral part brown (Fig.
|
|
<figureCitation id="94D93A596A8CBF085175EA84E9B5D28B" captionStart="Figure 8" captionStartId="F8" captionText="Figure 8. Male subimago of Vietnamella thani A dorsal view of head B lateral view of head C foreleg D middle leg E hindleg F, G dorsal and ventral view of thorax H forewing I hindwing J ventral view of genitalia K dorsal view of genitalia L lateral view of genitalia M dorsal view of abdomen N lateral view of abdomen O ventral view of abdomen. Scale bars: 1 mm." figureDoi="10.3897/zookeys.902.46844.figure8" httpUri="https://binary.pensoft.net/fig/371645" pageId="0" pageNumber="17">8A, B</figureCitation>
|
|
).
|
|
<emphasis id="E3B98E52D61EB712C7C58D5655333A53" bold="true" pageId="0" pageNumber="17">
|
|
<emphasis id="95589B0DD38AC4EF40A037158EEE2283" italics="true" pageId="0" pageNumber="17">Thorax</emphasis>
|
|
.
|
|
</emphasis>
|
|
Forelegs (6.38 mm), length ratio of femur and tibia = 1:1.1; length ratio of four tarsal segments is 1.6:1:1:1.3 (Fig.
|
|
<figureCitation id="BA9B8B9ED017C0596F4CC94ED0DCD48E" captionStart="Figure 8" captionStartId="F8" captionText="Figure 8. Male subimago of Vietnamella thani A dorsal view of head B lateral view of head C foreleg D middle leg E hindleg F, G dorsal and ventral view of thorax H forewing I hindwing J ventral view of genitalia K dorsal view of genitalia L lateral view of genitalia M dorsal view of abdomen N lateral view of abdomen O ventral view of abdomen. Scale bars: 1 mm." figureDoi="10.3897/zookeys.902.46844.figure8" httpUri="https://binary.pensoft.net/fig/371645" pageId="0" pageNumber="17">8C</figureCitation>
|
|
). Midlegs (5.41 mm), length ratio of femur and tibia = 1.4:1; length ratio of four tarsal segments is 1.3:1:1.1:3.4 (Fig.
|
|
<figureCitation id="F5F0DBF011F3023D1A102F96E551BCB5" captionStart="Figure 8" captionStartId="F8" captionText="Figure 8. Male subimago of Vietnamella thani A dorsal view of head B lateral view of head C foreleg D middle leg E hindleg F, G dorsal and ventral view of thorax H forewing I hindwing J ventral view of genitalia K dorsal view of genitalia L lateral view of genitalia M dorsal view of abdomen N lateral view of abdomen O ventral view of abdomen. Scale bars: 1 mm." figureDoi="10.3897/zookeys.902.46844.figure8" httpUri="https://binary.pensoft.net/fig/371645" pageId="0" pageNumber="17">8D</figureCitation>
|
|
). Hindlegs (5.58 mm), length ratio of femur and tibia = 1.6:1; length ratio of four tarsal segments is 1.4:1:1.2:3.4 (Fig.
|
|
<figureCitation id="62AB6C01A84A9693387590E04EDC79BD" captionStart="Figure 8" captionStartId="F8" captionText="Figure 8. Male subimago of Vietnamella thani A dorsal view of head B lateral view of head C foreleg D middle leg E hindleg F, G dorsal and ventral view of thorax H forewing I hindwing J ventral view of genitalia K dorsal view of genitalia L lateral view of genitalia M dorsal view of abdomen N lateral view of abdomen O ventral view of abdomen. Scale bars: 1 mm." figureDoi="10.3897/zookeys.902.46844.figure8" httpUri="https://binary.pensoft.net/fig/371645" pageId="0" pageNumber="17">8E</figureCitation>
|
|
). Mesonotum, brown with a notable median longitudinal suture (Fig.
|
|
<figureCitation id="7C15D254B852554A9B086787D1206E0F" captionStart="Figure 8" captionStartId="F8" captionText="Figure 8. Male subimago of Vietnamella thani A dorsal view of head B lateral view of head C foreleg D middle leg E hindleg F, G dorsal and ventral view of thorax H forewing I hindwing J ventral view of genitalia K dorsal view of genitalia L lateral view of genitalia M dorsal view of abdomen N lateral view of abdomen O ventral view of abdomen. Scale bars: 1 mm." figureDoi="10.3897/zookeys.902.46844.figure8" httpUri="https://binary.pensoft.net/fig/371645" pageId="0" pageNumber="17">8F</figureCitation>
|
|
). Mesosternum, pale red with a square basisternum, broad furcasternum (Fig.
|
|
<figureCitation id="3C582DD6CE5130D656FB67BE20C92194" captionStart="Figure 8" captionStartId="F8" captionText="Figure 8. Male subimago of Vietnamella thani A dorsal view of head B lateral view of head C foreleg D middle leg E hindleg F, G dorsal and ventral view of thorax H forewing I hindwing J ventral view of genitalia K dorsal view of genitalia L lateral view of genitalia M dorsal view of abdomen N lateral view of abdomen O ventral view of abdomen. Scale bars: 1 mm." figureDoi="10.3897/zookeys.902.46844.figure8" httpUri="https://binary.pensoft.net/fig/371645" pageId="0" pageNumber="17">8G</figureCitation>
|
|
). Forewing and hindwing are similar to imago but more opaque and having more visible crossveins (Fig.
|
|
<figureCitation id="B1E0E07FEA07745D5A4D9963551FA2DC" captionStart="Figure 8" captionStartId="F8" captionText="Figure 8. Male subimago of Vietnamella thani A dorsal view of head B lateral view of head C foreleg D middle leg E hindleg F, G dorsal and ventral view of thorax H forewing I hindwing J ventral view of genitalia K dorsal view of genitalia L lateral view of genitalia M dorsal view of abdomen N lateral view of abdomen O ventral view of abdomen. Scale bars: 1 mm." figureDoi="10.3897/zookeys.902.46844.figure8" httpUri="https://binary.pensoft.net/fig/371645" pageId="0" pageNumber="17">8H, I</figureCitation>
|
|
).
|
|
<emphasis id="D7E1AD49D5F03EA3BF54EF78D1D99D4B" bold="true" pageId="0" pageNumber="17">
|
|
<emphasis id="9510AD5FF94B4223B0D2F4AAC4310967" italics="true" pageId="0" pageNumber="17">Abdomen</emphasis>
|
|
.
|
|
</emphasis>
|
|
Genitalia similar to those of imago but forceps and penes shorter and broader; forceps with total length = 1.0 mm, first segment = 0.53 mm, second segment= 0.40 mm and third segment = 0.07 mm; penes length = 0.7 mm (Fig.
|
|
<figureCitation id="61C971963CE2B5FBF1F0D9B3FA5E337E" captionStart="Figure 8" captionStartId="F8" captionText="Figure 8. Male subimago of Vietnamella thani A dorsal view of head B lateral view of head C foreleg D middle leg E hindleg F, G dorsal and ventral view of thorax H forewing I hindwing J ventral view of genitalia K dorsal view of genitalia L lateral view of genitalia M dorsal view of abdomen N lateral view of abdomen O ventral view of abdomen. Scale bars: 1 mm." figureDoi="10.3897/zookeys.902.46844.figure8" httpUri="https://binary.pensoft.net/fig/371645" pageId="0" pageNumber="17">8J-L</figureCitation>
|
|
). Abdomen brown and pale red dorsally, segment IX with notable lateral projections (Fig.
|
|
<figureCitation id="3D296E90CAF76E9D67CA4F87D0F45447" captionStart="Figure 8" captionStartId="F8" captionText="Figure 8. Male subimago of Vietnamella thani A dorsal view of head B lateral view of head C foreleg D middle leg E hindleg F, G dorsal and ventral view of thorax H forewing I hindwing J ventral view of genitalia K dorsal view of genitalia L lateral view of genitalia M dorsal view of abdomen N lateral view of abdomen O ventral view of abdomen. Scale bars: 1 mm." figureDoi="10.3897/zookeys.902.46844.figure8" httpUri="https://binary.pensoft.net/fig/371645" pageId="0" pageNumber="17">8M-O</figureCitation>
|
|
).
|
|
</paragraph>
|
|
<caption id="89B401B9F90C697E4D1D490904687165" doi="10.3897/zookeys.902.46844.figure8" httpUri="https://binary.pensoft.net/fig/371645" pageId="0" pageNumber="17" start="Figure 8" startId="F8">
|
|
<paragraph id="46E0831D6ADC4863545F1C7C2DC91E2D" pageId="0" pageNumber="17">
|
|
<emphasis id="40FF274104DB63DC595415A4AC2EE003" bold="true" pageId="0" pageNumber="17">Figure 8.</emphasis>
|
|
Male subimago of
|
|
<taxonomicName id="3D649F26ECB4A4D0F8938A38C04FA5C3" authorityName="Tshernova" authorityYear="1972" class="Insecta" family="Vietnamellidae" genus="Vietnamella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Vietnamella thani" order="Ephemeroptera" pageId="0" pageNumber="17" phylum="Arthropoda" rank="species" species="thani">
|
|
<emphasis id="29AC5236ED03EAFC0F42A8EE6494CAB3" italics="true" pageId="0" pageNumber="17">Vietnamella thani</emphasis>
|
|
</taxonomicName>
|
|
<emphasis id="916FBDA146098765A96F1C14F46CF61E" bold="true" pageId="0" pageNumber="17">A</emphasis>
|
|
dorsal view of head
|
|
<emphasis id="1469AD9D18CD1B25C50AA7597E0BC8A6" bold="true" pageId="0" pageNumber="17">B</emphasis>
|
|
lateral view of head
|
|
<emphasis id="FB0237A038DEAB1D37430A7E916D3AA5" bold="true" pageId="0" pageNumber="17">C</emphasis>
|
|
foreleg
|
|
<emphasis id="5E8D91476CC14420E4D4266BA41BCDAE" bold="true" pageId="0" pageNumber="17">D</emphasis>
|
|
middle leg
|
|
<emphasis id="0A5D5EBF181B65E048EBD43DE33E358D" bold="true" pageId="0" pageNumber="17">E</emphasis>
|
|
hindleg
|
|
<emphasis id="DA29C422F2F9444E331E216ADC850EB6" bold="true" pageId="0" pageNumber="17">F, G</emphasis>
|
|
dorsal and ventral view of thorax
|
|
<emphasis id="C0B475ACDAF7CEBA9A08A2A72B6C1966" bold="true" pageId="0" pageNumber="17">H</emphasis>
|
|
forewing
|
|
<emphasis id="1C166FDA1A4ADC72F9EDBE36F60969D1" bold="true" pageId="0" pageNumber="17">I</emphasis>
|
|
hindwing
|
|
<emphasis id="A30A49CE310E69B881106BAB78D2FCDA" bold="true" pageId="0" pageNumber="17">J</emphasis>
|
|
ventral view of genitalia
|
|
<emphasis id="651C4597A55C834B1D8DEC4F9D23C81D" bold="true" pageId="0" pageNumber="17">K</emphasis>
|
|
dorsal view of genitalia
|
|
<emphasis id="0DA05B379F0959DF5AEA6CA89A55AB5E" bold="true" pageId="0" pageNumber="17">L</emphasis>
|
|
lateral view of genitalia
|
|
<emphasis id="D7CE7C7A1C12FA31DFB654DBEDB2A0A1" bold="true" pageId="0" pageNumber="17">M</emphasis>
|
|
dorsal view of abdomen
|
|
<emphasis id="687338FC5B0F51A745DF4ADE89B0277D" bold="true" pageId="0" pageNumber="17">N</emphasis>
|
|
lateral view of abdomen
|
|
<emphasis id="0FFFBAFCB13D7A9FFA998EBCF91D2F60" bold="true" pageId="0" pageNumber="17">O</emphasis>
|
|
ventral view of abdomen. Scale bars: 1 mm.
|
|
</paragraph>
|
|
</caption>
|
|
<paragraph id="CDF0CED061F4C6DCCCFF6665573DB3EE" pageId="0" pageNumber="17">
|
|
<emphasis id="CCE348173590A1B6D4CFC3B76A01D5A1" bold="true" pageId="0" pageNumber="17">Female imago.</emphasis>
|
|
(in alcohol, Fig.
|
|
<figureCitation id="F4C0A1007E332EFE64DE2CCADFC87852" captionStart="Figure 9" captionStartId="F9" captionText="Figure 9. Female imago of Vietnamella thani A dorsal view of head B lateral view of head C foreleg D middle leg E hindleg F, G dorsal and ventral view of thorax H forewing I hindwing J, K ventral and dorsal view of genitalia L dorsal view of abdomen M lateral view of abdomen N ventral view of abdomen. Scale bars: 1 mm." figureDoi="10.3897/zookeys.902.46844.figure9" httpUri="https://binary.pensoft.net/fig/371646" pageId="0" pageNumber="17">9</figureCitation>
|
|
).
|
|
<emphasis id="9ED12147F0D97EB4CF2B33B3AE685865" bold="true" pageId="0" pageNumber="17">
|
|
<emphasis id="6DBD33BB39A7490EDAB77831D56016A5" italics="true" pageId="0" pageNumber="17">Head</emphasis>
|
|
.
|
|
</emphasis>
|
|
Eyes rounded, dark brown without dorsal eyes (Fig.
|
|
<figureCitation id="C9A9D2637A7A695BED72430D5177F21B" captionStart="Figure 9" captionStartId="F9" captionText="Figure 9. Female imago of Vietnamella thani A dorsal view of head B lateral view of head C foreleg D middle leg E hindleg F, G dorsal and ventral view of thorax H forewing I hindwing J, K ventral and dorsal view of genitalia L dorsal view of abdomen M lateral view of abdomen N ventral view of abdomen. Scale bars: 1 mm." figureDoi="10.3897/zookeys.902.46844.figure9" httpUri="https://binary.pensoft.net/fig/371646" pageId="0" pageNumber="17">9A, B</figureCitation>
|
|
).
|
|
<emphasis id="87091AB1F30AB9D116FA4814E42DC66B" bold="true" pageId="0" pageNumber="17">
|
|
<emphasis id="CCDB2C40EA31854E5AF500FA6DAF6C7E" italics="true" pageId="0" pageNumber="17">Thorax</emphasis>
|
|
.
|
|
</emphasis>
|
|
Forelegs (7.2 mm), length ratio of femur and tibia = 1.4:1; length ratio of four tarsal segments is 1:1:1:3.7 (Fig.
|
|
<figureCitation id="654C6E0A90367F8AD436608FFC50CA88" captionStart="Figure 9" captionStartId="F9" captionText="Figure 9. Female imago of Vietnamella thani A dorsal view of head B lateral view of head C foreleg D middle leg E hindleg F, G dorsal and ventral view of thorax H forewing I hindwing J, K ventral and dorsal view of genitalia L dorsal view of abdomen M lateral view of abdomen N ventral view of abdomen. Scale bars: 1 mm." figureDoi="10.3897/zookeys.902.46844.figure9" httpUri="https://binary.pensoft.net/fig/371646" pageId="0" pageNumber="17">9C</figureCitation>
|
|
). Midlegs (6.4 mm), length ratio of femur and tibia = 1.2:1; length ratio of four tarsal segments is 1:1:1.2:2.8 (Fig.
|
|
<figureCitation id="42193730FA1517638C10530560A3B7AC" captionStart="Figure 9" captionStartId="F9" captionText="Figure 9. Female imago of Vietnamella thani A dorsal view of head B lateral view of head C foreleg D middle leg E hindleg F, G dorsal and ventral view of thorax H forewing I hindwing J, K ventral and dorsal view of genitalia L dorsal view of abdomen M lateral view of abdomen N ventral view of abdomen. Scale bars: 1 mm." figureDoi="10.3897/zookeys.902.46844.figure9" httpUri="https://binary.pensoft.net/fig/371646" pageId="0" pageNumber="17">9D</figureCitation>
|
|
). Hindlegs (7.2 mm), length ratio of femur and tibia = 1:1, length ratio of four tarsal segments is 1:1.2:1.1:2.6 (Fig.
|
|
<figureCitation id="2414A1A4862F02212B6C9D4809BF56D3" captionStart="Figure 9" captionStartId="F9" captionText="Figure 9. Female imago of Vietnamella thani A dorsal view of head B lateral view of head C foreleg D middle leg E hindleg F, G dorsal and ventral view of thorax H forewing I hindwing J, K ventral and dorsal view of genitalia L dorsal view of abdomen M lateral view of abdomen N ventral view of abdomen. Scale bars: 1 mm." figureDoi="10.3897/zookeys.902.46844.figure9" httpUri="https://binary.pensoft.net/fig/371646" pageId="0" pageNumber="17">9E</figureCitation>
|
|
). Mesonotum brown with a notable median longitudinal suture (Fig.
|
|
<figureCitation id="03AAFE56F2E311EAFD9132992942B372" captionStart="Figure 9" captionStartId="F9" captionText="Figure 9. Female imago of Vietnamella thani A dorsal view of head B lateral view of head C foreleg D middle leg E hindleg F, G dorsal and ventral view of thorax H forewing I hindwing J, K ventral and dorsal view of genitalia L dorsal view of abdomen M lateral view of abdomen N ventral view of abdomen. Scale bars: 1 mm." figureDoi="10.3897/zookeys.902.46844.figure9" httpUri="https://binary.pensoft.net/fig/371646" pageId="0" pageNumber="17">9F</figureCitation>
|
|
). Mesoternum pale red with rectangle basisternum, broad furcasternum (Fig.
|
|
<figureCitation id="0E56FBB92FEAC4C716C004E5A32A3A5A" captionStart="Figure 9" captionStartId="F9" captionText="Figure 9. Female imago of Vietnamella thani A dorsal view of head B lateral view of head C foreleg D middle leg E hindleg F, G dorsal and ventral view of thorax H forewing I hindwing J, K ventral and dorsal view of genitalia L dorsal view of abdomen M lateral view of abdomen N ventral view of abdomen. Scale bars: 1 mm." figureDoi="10.3897/zookeys.902.46844.figure9" httpUri="https://binary.pensoft.net/fig/371646" pageId="0" pageNumber="17">9G</figureCitation>
|
|
). Forewing, 14 crossveins in stigmatic area; MA forked middle of wing; MP forked basally, 3 intercalaries between MP1 and MP2; CuA and CuP adjacent at base (Fig.
|
|
<figureCitation id="CB5910C57B887CE5D2F9A9A419931FC9" captionStart="Figure 9" captionStartId="F9" captionText="Figure 9. Female imago of Vietnamella thani A dorsal view of head B lateral view of head C foreleg D middle leg E hindleg F, G dorsal and ventral view of thorax H forewing I hindwing J, K ventral and dorsal view of genitalia L dorsal view of abdomen M lateral view of abdomen N ventral view of abdomen. Scale bars: 1 mm." figureDoi="10.3897/zookeys.902.46844.figure9" httpUri="https://binary.pensoft.net/fig/371646" pageId="0" pageNumber="17">9H</figureCitation>
|
|
). Hindwing rounded, leading margin slightly concave, with clear crossveins, 7 crossveins between MA and MP (Fig.
|
|
<figureCitation id="401A27C3ACDDFE044B98EA1878E2E35A" captionStart="Figure 9" captionStartId="F9" captionText="Figure 9. Female imago of Vietnamella thani A dorsal view of head B lateral view of head C foreleg D middle leg E hindleg F, G dorsal and ventral view of thorax H forewing I hindwing J, K ventral and dorsal view of genitalia L dorsal view of abdomen M lateral view of abdomen N ventral view of abdomen. Scale bars: 1 mm." figureDoi="10.3897/zookeys.902.46844.figure9" httpUri="https://binary.pensoft.net/fig/371646" pageId="0" pageNumber="17">9I</figureCitation>
|
|
).
|
|
<emphasis id="BB18D57FA4F49F33D4AA7B4EC507E989" bold="true" pageId="0" pageNumber="17">
|
|
<emphasis id="4245A2C7C0539B450D14A73C8CC691EB" italics="true" pageId="0" pageNumber="17">Abdomen</emphasis>
|
|
.
|
|
</emphasis>
|
|
Tergites brown, sternites pale red, sternites VIII-IX brown (Fig.
|
|
<figureCitation id="80370F3DCB2E0DB58EF7A5C45442484E" captionStart="Figure 9" captionStartId="F9" captionText="Figure 9. Female imago of Vietnamella thani A dorsal view of head B lateral view of head C foreleg D middle leg E hindleg F, G dorsal and ventral view of thorax H forewing I hindwing J, K ventral and dorsal view of genitalia L dorsal view of abdomen M lateral view of abdomen N ventral view of abdomen. Scale bars: 1 mm." figureDoi="10.3897/zookeys.902.46844.figure9" httpUri="https://binary.pensoft.net/fig/371646" pageId="0" pageNumber="17">9K-N</figureCitation>
|
|
). Subanal plate brown with shallow median cleft (Fig.
|
|
<figureCitation id="7188FDE86A8074D1D7F1C1907C31CE61" captionStart="Figure 9" captionStartId="F9" captionText="Figure 9. Female imago of Vietnamella thani A dorsal view of head B lateral view of head C foreleg D middle leg E hindleg F, G dorsal and ventral view of thorax H forewing I hindwing J, K ventral and dorsal view of genitalia L dorsal view of abdomen M lateral view of abdomen N ventral view of abdomen. Scale bars: 1 mm." figureDoi="10.3897/zookeys.902.46844.figure9" httpUri="https://binary.pensoft.net/fig/371646" pageId="0" pageNumber="17">9J</figureCitation>
|
|
). Subgenital plate weakly developed, pale, with shallow median emargination (Fig.
|
|
<figureCitation id="024B2D1124A9056293162A10A76F6295" captionStart="Figure 9" captionStartId="F9" captionText="Figure 9. Female imago of Vietnamella thani A dorsal view of head B lateral view of head C foreleg D middle leg E hindleg F, G dorsal and ventral view of thorax H forewing I hindwing J, K ventral and dorsal view of genitalia L dorsal view of abdomen M lateral view of abdomen N ventral view of abdomen. Scale bars: 1 mm." figureDoi="10.3897/zookeys.902.46844.figure9" httpUri="https://binary.pensoft.net/fig/371646" pageId="0" pageNumber="17">9N</figureCitation>
|
|
)
|
|
</paragraph>
|
|
<caption id="CEB044DD18E8B54F1AF6C711F0126D06" doi="10.3897/zookeys.902.46844.figure9" httpUri="https://binary.pensoft.net/fig/371646" pageId="0" pageNumber="17" start="Figure 9" startId="F9">
|
|
<paragraph id="41783451345CB73B08CF80F764EC785F" pageId="0" pageNumber="17">
|
|
<emphasis id="ACC191776744C747DDD849572E2A03A1" bold="true" pageId="0" pageNumber="17">Figure 9.</emphasis>
|
|
Female imago of
|
|
<taxonomicName id="6385E4AAA95A253E74D1428A3E80B778" authorityName="Tshernova" authorityYear="1972" class="Insecta" family="Vietnamellidae" genus="Vietnamella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Vietnamella thani" order="Ephemeroptera" pageId="0" pageNumber="17" phylum="Arthropoda" rank="species" species="thani">
|
|
<emphasis id="B1B7D498B7565DB090FD947FAB6579FC" italics="true" pageId="0" pageNumber="17">Vietnamella thani</emphasis>
|
|
</taxonomicName>
|
|
<emphasis id="C6217BB42B2DE2BB94FA4666F342CFC0" bold="true" pageId="0" pageNumber="17">A</emphasis>
|
|
dorsal view of head
|
|
<emphasis id="107BB87537200DEEE09DF83D12BB4FE1" bold="true" pageId="0" pageNumber="17">B</emphasis>
|
|
lateral view of head
|
|
<emphasis id="405746A00CA9F598FA0F0ED4FD26641F" bold="true" pageId="0" pageNumber="17">C</emphasis>
|
|
foreleg
|
|
<emphasis id="0D73F9B5D5203D455EDDCFB4F0CAAA31" bold="true" pageId="0" pageNumber="17">D</emphasis>
|
|
middle leg
|
|
<emphasis id="64A132F090174DF3D63B76301CBDD28F" bold="true" pageId="0" pageNumber="17">E</emphasis>
|
|
hindleg
|
|
<emphasis id="832586C23110969D64BAD3DBC1597A77" bold="true" pageId="0" pageNumber="17">F, G</emphasis>
|
|
dorsal and ventral view of thorax
|
|
<emphasis id="D6F2B75142F38DBF6850567F5D16BF98" bold="true" pageId="0" pageNumber="17">H</emphasis>
|
|
forewing
|
|
<emphasis id="89518849478240DA5861A394EF35FECE" bold="true" pageId="0" pageNumber="17">I</emphasis>
|
|
hindwing
|
|
<emphasis id="07A1619FC17E3202B7A83E6655E116C4" bold="true" pageId="0" pageNumber="17">J, K</emphasis>
|
|
ventral and dorsal view of genitalia
|
|
<emphasis id="D448102658305EF8E0185B7511CA1693" bold="true" pageId="0" pageNumber="17">L</emphasis>
|
|
dorsal view of abdomen
|
|
<emphasis id="680B33FCCB7A9077732418B84564778C" bold="true" pageId="0" pageNumber="17">M</emphasis>
|
|
lateral view of abdomen
|
|
<emphasis id="F24616457FBD7B8B6309CFC89A36E0D1" bold="true" pageId="0" pageNumber="17">N</emphasis>
|
|
ventral view of abdomen. Scale bars: 1 mm.
|
|
</paragraph>
|
|
</caption>
|
|
<caption id="CEECAAD37E361BB88E6E7D1635680556" doi="10.3897/zookeys.902.46844.figure10" httpUri="https://binary.pensoft.net/fig/371647" pageId="0" pageNumber="17" start="Figure 10" startId="F10">
|
|
<paragraph id="54E3B0B54127D235BBFF1C23D2F8FA7B" pageId="0" pageNumber="17">
|
|
<emphasis id="671DF205A18C10399D922FE4A306C385" bold="true" pageId="0" pageNumber="17">Figure 10.</emphasis>
|
|
<taxonomicName id="1C816AA0E2FDF6EC32F7329725861691" authorityName="Tshernova" authorityYear="1972" class="Insecta" family="Vietnamellidae" genus="Vietnamella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Vietnamella thani" order="Ephemeroptera" pageId="0" pageNumber="17" phylum="Arthropoda" rank="species" species="thani">
|
|
<emphasis id="4DE05AC763593EA1C024FC4F2C3DBD8A" italics="true" pageId="0" pageNumber="17">Vietnamella thani</emphasis>
|
|
</taxonomicName>
|
|
<emphasis id="A32F9411090D46CC2E425C1F16CB015E" bold="true" pageId="0" pageNumber="17">A</emphasis>
|
|
habitat
|
|
<emphasis id="00F1D021C9E73EFB1F69D377F433FCB7" bold="true" pageId="0" pageNumber="17">B</emphasis>
|
|
habitus of larva
|
|
<emphasis id="E08F74924AC2195D381C07E8614106EC" bold="true" pageId="0" pageNumber="17">C</emphasis>
|
|
habitus of male imago (incomplete molting).
|
|
</paragraph>
|
|
</caption>
|
|
<paragraph id="EFC86189F1129F58A499220A83E97313" pageId="0" pageNumber="17">
|
|
<emphasis id="F587982626518F4C8E0DED56772AB391" bold="true" italics="true" pageId="0" pageNumber="17">Eggs.</emphasis>
|
|
(dissected from female imago). Length 175
|
|
<normalizedToken id="0CB1CDD56BBDF7500920A1BAE6CC5520" originalValue="µm">µm</normalizedToken>
|
|
, width 125
|
|
<normalizedToken id="B0446F9AB330F931737B9A261DFB7B99" originalValue="µm">µm</normalizedToken>
|
|
; oval shape, chorionic surface with small protuberances, half of egg covered with helmet-shaped polar cap (Fig.
|
|
<figureCitation id="7D286F0FD1DB32CEA2458CA87F771079" captionStart="Figure 11" captionStartId="F11" captionText="Figure 11. SEM of egg structure of Vietnamella thani A overview B detail of Knob Terminated Coiled Thread (KCT) and chorionic surface C micropyle. Scale bars: 50 µm." figureDoi="10.3897/zookeys.902.46844.figure11" httpUri="https://binary.pensoft.net/fig/371648" pageId="0" pageNumber="17">11A</figureCitation>
|
|
); many KCT around egg body (Fig.
|
|
<figureCitation id="41844A9BBFA35F01DF63E317DD2ACDBE" captionStart="Figure 11" captionStartId="F11" captionText="Figure 11. SEM of egg structure of Vietnamella thani A overview B detail of Knob Terminated Coiled Thread (KCT) and chorionic surface C micropyle. Scale bars: 50 µm." figureDoi="10.3897/zookeys.902.46844.figure11" httpUri="https://binary.pensoft.net/fig/371648" pageId="0" pageNumber="17">11B</figureCitation>
|
|
); 1 or 2 tagenoform-type of micropyles at centre (Fig.
|
|
<figureCitation id="C8403A63ADED021CA0315E7CCC16BF0F" captionStart="Figure 11" captionStartId="F11" captionText="Figure 11. SEM of egg structure of Vietnamella thani A overview B detail of Knob Terminated Coiled Thread (KCT) and chorionic surface C micropyle. Scale bars: 50 µm." figureDoi="10.3897/zookeys.902.46844.figure11" httpUri="https://binary.pensoft.net/fig/371648" pageId="0" pageNumber="17">11C</figureCitation>
|
|
).
|
|
</paragraph>
|
|
<caption id="F5F47CE27624F20CB8C84D0228348BB5" doi="10.3897/zookeys.902.46844.figure11" httpUri="https://binary.pensoft.net/fig/371648" pageId="0" pageNumber="17" start="Figure 11" startId="F11">
|
|
<paragraph id="54E620B5A1683854D767F9E700FED93B" pageId="0" pageNumber="17">
|
|
<emphasis id="A58301F1E39D3321C66F8A356BA6FAAC" bold="true" pageId="0" pageNumber="17">Figure 11.</emphasis>
|
|
SEM of egg structure of
|
|
<taxonomicName id="4B2ABE9DB4170A5F5D609DE1BBB5B362" authorityName="Tshernova" authorityYear="1972" class="Insecta" family="Vietnamellidae" genus="Vietnamella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Vietnamella thani" order="Ephemeroptera" pageId="0" pageNumber="17" phylum="Arthropoda" rank="species" species="thani">
|
|
<emphasis id="AB7D86191F9085195C3C18BB6C766839" italics="true" pageId="0" pageNumber="17">Vietnamella thani</emphasis>
|
|
</taxonomicName>
|
|
<emphasis id="51E94E28085FE4326080EF183F0D6FAF" bold="true" pageId="0" pageNumber="17">A</emphasis>
|
|
overview
|
|
<emphasis id="5AC2CA7B80AC4F1A28F0FD0D02A0B63D" bold="true" pageId="0" pageNumber="17">B</emphasis>
|
|
detail of Knob Terminated Coiled Thread (KCT) and chorionic surface
|
|
<emphasis id="696A851BD7830B363487DB5C408D1717" bold="true" pageId="0" pageNumber="17">C</emphasis>
|
|
micropyle. Scale bars: 50
|
|
<normalizedToken id="C71767C3FE128CA648CCB93BA1634CE6" originalValue="µm">µm</normalizedToken>
|
|
.
|
|
</paragraph>
|
|
</caption>
|
|
</subSubSection>
|
|
<subSubSection id="20D09CAEC9C379B351368757E46ABB47" pageId="0" pageNumber="17" type="distribution">
|
|
<paragraph id="AF7B91963487188BFAF5F2AB33276215" pageId="0" pageNumber="17">Distribution.</paragraph>
|
|
<paragraph id="3504CC7F9844B1ED0379BFFBF059F922" pageId="0" pageNumber="17">Kanchanaburi and Prachuap Khiri Khan Provinces, Thailand.</paragraph>
|
|
</subSubSection>
|
|
<subSubSection id="93F431F5139856763C2ACFDFEB3315BA" pageId="0" pageNumber="17" type="remarks">
|
|
<paragraph id="C04CFB2A14DC28D0B4C1FE17D165D6A1" pageId="0" pageNumber="17">Remarks.</paragraph>
|
|
<paragraph id="A138352E11D06CAB4B1BEBDFFA5394E3" pageId="0" pageNumber="17">
|
|
The larvae of
|
|
<taxonomicName id="69F36A444FFF128198BFDF7329D6FC9C" authorityName="Tshernova" authorityYear="1972" class="Insecta" family="Vietnamellidae" genus="Vietnamella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Vietnamella thani" order="Ephemeroptera" pageId="0" pageNumber="17" phylum="Arthropoda" rank="species" species="thani">
|
|
<emphasis id="2AAD59486CE3DE347B46999EF9505171" italics="true" pageId="0" pageNumber="17">Vietnamella thani</emphasis>
|
|
</taxonomicName>
|
|
are widely distributed in Thailand. They inhabit fast-flowing streams (Fig.
|
|
<figureCitation id="72E219C185443BAA58AEB2CB4AB92BA3" captionStart="Figure 10" captionStartId="F10" captionText="Figure 10. Vietnamella thani A habitat B habitus of larva C habitus of male imago (incomplete molting)." figureDoi="10.3897/zookeys.902.46844.figure10" httpUri="https://binary.pensoft.net/fig/371647" pageId="0" pageNumber="17">10A</figureCitation>
|
|
) but have never been reported in southern Thailand.
|
|
<taxonomicName id="6FF608191299C784F65599A6ED6D82DE" authorityName="Tshernova" authorityYear="1972" class="Insecta" family="Vietnamellidae" genus="Vietnamella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Vietnamella thani" order="Ephemeroptera" pageId="0" pageNumber="17" phylum="Arthropoda" rank="species" species="thani">
|
|
<emphasis id="573E9065F3EA1231154930B76EBE09D9" italics="true" pageId="0" pageNumber="17">Vietnamella thani</emphasis>
|
|
</taxonomicName>
|
|
have notable outer pairs of projections on head without serrated spines that differ from
|
|
<taxonomicName id="FF84CD20A940B5BCCD2D202F7E8E39B1" class="Insecta" family="Vietnamellidae" genus="Vietnamella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Vietnamella" order="Ephemeroptera" pageId="0" pageNumber="17" phylum="Arthropoda" rank="genus">
|
|
<emphasis id="F37D58571CF18308D86A4A886312F938" italics="true" pageId="0" pageNumber="17">Vietnamella</emphasis>
|
|
</taxonomicName>
|
|
sp. B. The larvae show colour variations and can be greenish, yellow or brown. The imaginal stages of
|
|
<taxonomicName id="796EDAD81D26C6E2CDC3FEBDF4038E74" class="Insecta" higherTaxonomySource="GBIF,CoL" kingdom="Animalia" lsidName="V. thani" order="Ephemeroptera" pageId="0" pageNumber="17" phylum="Arthropoda" rank="species" species="thani">
|
|
<emphasis id="209CA0FEF1C82C6555A97C4B7835BC32" italics="true" pageId="0" pageNumber="17">V. thani</emphasis>
|
|
</taxonomicName>
|
|
have similar characters to those of
|
|
<taxonomicName id="07253D7D6A286A96685439E2E1030C86" class="Insecta" higherTaxonomySource="GBIF,CoL" kingdom="Animalia" lsidName="V. sinensis" order="Ephemeroptera" pageId="0" pageNumber="17" phylum="Arthropoda" rank="species" species="sinensis">
|
|
<emphasis id="3188CBB5FB62B2B4645058EFEF0C1645" italics="true" pageId="0" pageNumber="17">V. sinensis</emphasis>
|
|
</taxonomicName>
|
|
but lack the longitudinal vein on the stigmatic area of the forewing and they have less crossveins between Sc and RA on the hindwings (Table
|
|
<tableCitation id="98D134B8D252B418AFFD07B2C8C086B9" captionStart="Table 4" captionStartId="T4" captionText="Table 4. Comparison of adult characteristics of known Vietnamella species." httpUri="http://table.plazi.org/id/E7E41F6F77DD3F515A9625CB35EF7212" pageId="0" pageNumber="17" tableUuid="E7E41F6F77DD3F515A9625CB35EF7212">4</tableCitation>
|
|
). The egg structure is covered by a membrane, which leads to unclear sculpturing of the surface, especially in the posterior part of the egg. Thus, the egg from this study showed little difference from the egg structure of
|
|
<taxonomicName id="5DA91CA339036A8E22FCF56B1A7E215B" class="Insecta" higherTaxonomySource="GBIF,CoL" kingdom="Animalia" lsidName="V. sinensis" order="Ephemeroptera" pageId="0" pageNumber="17" phylum="Arthropoda" rank="species" species="sinensis">
|
|
<emphasis id="27506FCB7D32B9A83DE437F24AF719F0" italics="true" pageId="0" pageNumber="17">V. sinensis</emphasis>
|
|
</taxonomicName>
|
|
.
|
|
</paragraph>
|
|
</subSubSection>
|
|
</treatment>
|
|
</document> |