treatments-xml/data/EF/2B/5D/EF2B5D36DE955281B27A2E77DF660D0F.xml

<document ID-DOI="http://dx.doi.org/10.3897/dez.70.97117" ID-Pensoft-Pub="1860-1324-1-69" ID-Pensoft-UUID="CA0CBE818BFA5DFA80DBD42521D5DBE3" ID-ZooBank="99BBA4C8ED2048879952B61CC25309D4" ModsDocID="1860-1324-70-1-69" checkinTime="1679031804748" checkinUser="pensoft" docAuthor="Tran, Anh Duc, Zettel, Herbert &amp; Sites, Robert W." docDate="2023" docId="EF2B5D36DE955281B27A2E77DF660D0F" docLanguage="en" docName="DeutEntomolZeit 70(1): 69-111" docOrigin="Deutsche Entomologische Zeitschrift 70 (1)" docPubDate="2023-03-16" docSource="http://dx.doi.org/10.3897/dez.70.97117" docTitle="Eotrechus Kirkaldy 1902" docType="treatment" docVersion="1" id="CA0CBE818BFA5DFA80DBD42521D5DBE3" lastPageNumber="69" masterDocId="CA0CBE818BFA5DFA80DBD42521D5DBE3" masterDocTitle="Revision of the genus Eotrechus Kirkaldy (Hemiptera, Heteroptera, Gerridae), with descriptions of six new species" masterLastPageNumber="111" masterPageNumber="69" pageNumber="69" updateTime="1679031804748" updateUser="pensoft">
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<mods:title>Revision of the genus Eotrechus Kirkaldy (Hemiptera, Heteroptera, Gerridae), with descriptions of six new species</mods:title>
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<mods:namePart>Tran, Anh Duc</mods:namePart>
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<mods:affiliation>Faculty of Biology, University of Science, Vietnam National University, Hanoi, 334 Nguyen Trai, Thanh Xuan, Hanoi, Vietnam</mods:affiliation>
<mods:nameIdentifier type="email">tran.anhduc@hus.edu.vn</mods:nameIdentifier>
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<mods:roleTerm>Author</mods:roleTerm>
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<mods:namePart>Zettel, Herbert</mods:namePart>
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<mods:affiliation>Herbert Zettel, 2 nd Zoological Department (Entomology), Natural History Museum Vienna, Burgring 7, 1010 Vienna, Austria</mods:affiliation>
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<mods:namePart>Sites, Robert W.</mods:namePart>
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<mods:affiliation>Enns Entomology Museum, University of Missouri, Columbia, MO 65211, USA</mods:affiliation>
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<paragraph pageId="0" pageNumber="69">
Genus 
<taxonomicName ID-CoL="4CMY" ID-ENA="1445638" LSID="EF2B5D36-DE95-5281-B27A-2E77DF660D0F" authority="Kirkaldy, 1902" authorityName="Kirkaldy" authorityYear="1902" class="Insecta" family="Gerridae" genus="Eotrechus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Eotrechus" order="Hemiptera" pageId="0" pageNumber="69" phylum="Arthropoda" rank="genus">Eotrechus Kirkaldy, 1902</taxonomicName>
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="69" type="reference_group">
<paragraph pageId="0" pageNumber="69">
<taxonomicName authorityName="Kirkaldy" authorityYear="1902" class="Insecta" family="Gerridae" genus="Eotrechus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Eotrechus" order="Hemiptera" pageId="0" pageNumber="69" phylum="Arthropoda" rank="genus">Eotrechus</taxonomicName>
Kirkaldy, 1902: 137 (type species: 
<taxonomicName authorityName="Kirkaldy" authorityYear="1902" class="Insecta" family="Gerridae" genus="Eotrechus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Eotrechus kalidasa" order="Hemiptera" pageId="0" pageNumber="69" phylum="Arthropoda" rank="species" species="kalidasa">Eotrechus kalidasa</taxonomicName>
Kirkaldy, 1902, by monotypy).
</paragraph>
<paragraph pageId="0" pageNumber="69">
<taxonomicName authorityName="Kirkaldy" authorityYear="1902" class="Insecta" family="Gerridae" genus="Eotrechus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Eotrechus" order="Hemiptera" pageId="0" pageNumber="69" phylum="Arthropoda" rank="genus">Eotrechus</taxonomicName>
: 
<bibRefCitation author="Distant, WL" journalOrPublisher="Taylor &amp; Francis, London" pageId="0" pageNumber="69" refId="B6" refString="Distant, WL, 1903. The fauna of British India including Ceylon and Burma: Rhynchota 2(1) (Heteroptera). Taylor &amp; Francis, London" title="The fauna of British India including Ceylon and Burma: Rhynchota 2 (1) (Heteroptera)." year="1903">Distant (1903</bibRefCitation>
: 182); 
<bibRefCitation DOI="https://doi.org/10.5962/bhl.part.15602" author="Matsuda, R" journalOrPublisher="The University of Kansas Science Bulletin" pageId="0" pageNumber="69" pagination="25 - 632" refId="B8" refString="Matsuda, R, 1960. Morphology, evolution and a classification of the Gerridae (Hemiptera - Heteroptera). The University of Kansas Science Bulletin 41 (2): 25 - 632, DOI: https://doi.org/10.5962/bhl.part.15602" title="Morphology, evolution and a classification of the Gerridae (Hemiptera - Heteroptera)." url="https://doi.org/10.5962/bhl.part.15602" volume="41" year="1960">Matsuda (1960</bibRefCitation>
: 249-251); 
<bibRefCitation author="Andersen, NM" journalOrPublisher="Steenstrupia" pageId="0" pageNumber="69" pagination="1 - 25" refId="B2" refString="Andersen, NM, 1982. Semiterrestrial water striders of the genera Eotrechus Kirkaldy and Chimarrhometra Bianchi (Insecta, Hemiptera, Gerridae). Steenstrupia 9: 1 - 25" title="Semiterrestrial water striders of the genera Eotrechus Kirkaldy and Chimarrhometra Bianchi (Insecta, Hemiptera, Gerridae)." volume="9" year="1982">Andersen (1982</bibRefCitation>
: 5-8) (revision).
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="69" type="diagnosis">
<paragraph pageId="0" pageNumber="69">Diagnosis.</paragraph>
<paragraph pageId="0" pageNumber="69">
Body length: apterous males 5.5-10.3, macropterous males 6.7-11.6, apterous females 6.3-11.7, macropterous females 7.1-11.3. Body colouration: dorsum dark-brown, or yellowish with dark-brown markings; ventral side either dark or pale. Antennae long, slender, usually subequal to body length: segment I slightly longer than segment II and usually with 1-8 dark spines subapically (spines absent in the 
<taxonomicName lsidName="E. kalidasa" pageId="0" pageNumber="69" rank="species" species="kalidasa">
<emphasis italics="true" pageId="0" pageNumber="69">E. kalidasa</emphasis>
</taxonomicName>
species group); segments II and IV subequal in length; segment III shortest. Rostrum long and slender, reaching anterior third of mesosternum. Pronotal lobe: reduced in apterous form (e.g., Fig. 
<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. In-situ photographs of Eotrechus. A. E. vietnamensis, apterous male, from Ha Giang Province, Vietnam; B. E. konkakinh sp. nov., apterous male, from Gia Lai Province, Vietnam." figureDoi="10.3897/dez.70.97117.figure1" httpUri="https://binary.pensoft.net/fig/826090" pageId="0" pageNumber="69">1</figureCitation>
); strongly produced in macropterous form, with rounded posterior margin (e.g., Fig. 
<figureCitation captionStart="Figure 11" captionStartId="F11" captionText="Figure 11. Eotrechus thai sp. nov., habitus. A. Apterous male (from Doi Inthanon. Thailand); B. Apterous female (from Doi Inthanon); C. Macropterous female (from Doi Suthep, Thailand)." figureDoi="10.3897/dez.70.97117.figure11" httpUri="https://binary.pensoft.net/fig/826100" pageId="0" pageNumber="69">11C</figureCitation>
). Ratio of lengths of mesosternum: metasternum variable, around 1.7-5.3: 1.0. Scent orifice small. Fore leg variable, either moderately incrassate or slender. Hind legs longer than middle legs; hind tibia longer than or subequal to middle tibia; claws inserted at apex of tarsal segment II, with long ventral arolium. Pregenital abdominal venter of male 0.2-0.4 
<normalizedToken originalValue="×">x</normalizedToken>
body length; posterior margin of sternum VII either concave or emarginated medially. Male genitalia of variable size; pygophore usually modified, either with dense setae or with posterior projection(s) or both; paramere relatively small. Abdominal venter of female at most one-half of body length.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="69" type="remarks">
<paragraph pageId="0" pageNumber="69">Remarks.</paragraph>
<paragraph pageId="0" pageNumber="69">
Among the genera of the subfamily 
<taxonomicName authorityName="Matsuda" authorityYear="1960" lsidName="" pageId="0" pageNumber="69" rank="subFamily" subFamily="Eotrechinae">Eotrechinae</taxonomicName>
, only 
<taxonomicName authorityName="Kirkaldy" authorityYear="1902" class="Insecta" family="Gerridae" genus="Eotrechus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Eotrechus" order="Hemiptera" pageId="0" pageNumber="69" phylum="Arthropoda" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="69">Eotrechus</emphasis>
</taxonomicName>
has claws that are inserted at the apex of tarsal segment II (
<bibRefCitation author="Andersen, NM" journalOrPublisher="Steenstrupia" pageId="0" pageNumber="69" pagination="1 - 25" refId="B2" refString="Andersen, NM, 1982. Semiterrestrial water striders of the genera Eotrechus Kirkaldy and Chimarrhometra Bianchi (Insecta, Hemiptera, Gerridae). Steenstrupia 9: 1 - 25" title="Semiterrestrial water striders of the genera Eotrechus Kirkaldy and Chimarrhometra Bianchi (Insecta, Hemiptera, Gerridae)." volume="9" year="1982">Andersen 1982</bibRefCitation>
). The comparative morphology and relationship between 
<taxonomicName authorityName="Kirkaldy" authorityYear="1902" class="Insecta" family="Gerridae" genus="Eotrechus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Eotrechus" order="Hemiptera" pageId="0" pageNumber="69" phylum="Arthropoda" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="69">Eotrechus</emphasis>
</taxonomicName>
and other eotrechine genera have been reviewed and discussed by 
<bibRefCitation author="Andersen, NM" journalOrPublisher="Steenstrupia" pageId="0" pageNumber="69" pagination="1 - 25" refId="B2" refString="Andersen, NM, 1982. Semiterrestrial water striders of the genera Eotrechus Kirkaldy and Chimarrhometra Bianchi (Insecta, Hemiptera, Gerridae). Steenstrupia 9: 1 - 25" title="Semiterrestrial water striders of the genera Eotrechus Kirkaldy and Chimarrhometra Bianchi (Insecta, Hemiptera, Gerridae)." volume="9" year="1982">Andersen (1982)</bibRefCitation>
and 
<bibRefCitation author="Polhemus, JT" journalOrPublisher="Steenstrupia (Copenhagen)" pageId="0" pageNumber="69" pagination="65 - 111" refId="B11" refString="Polhemus, JT, Andersen, NM, 1984. A revision of Amemboa Esaki with notes on the phylogeny and ecological evolution of eotrechine water striders (Insecta, Hemiptera, Gerridae). Steenstrupia (Copenhagen) 10 (3): 65 - 111" title="A revision of Amemboa Esaki with notes on the phylogeny and ecological evolution of eotrechine water striders (Insecta, Hemiptera, Gerridae)." volume="10" year="1984">Polhemus and Andersen (1984)</bibRefCitation>
. According to these studies, 
<taxonomicName authorityName="Kirkaldy" authorityYear="1902" class="Insecta" family="Gerridae" genus="Eotrechus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Eotrechus" order="Hemiptera" pageId="0" pageNumber="69" phylum="Arthropoda" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="69">Eotrechus</emphasis>
</taxonomicName>
is most closely related to 
<taxonomicName authorityName="Bianchi" authorityYear="1896" class="Insecta" family="Gerridae" genus="Chimarrhometra" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Chimarrhometra" order="Hemiptera" pageId="0" pageNumber="69" phylum="Arthropoda" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="69">Chimarrhometra</emphasis>
</taxonomicName>
.
</paragraph>
<paragraph pageId="0" pageNumber="69">
Based on the comparative examination of morphological features among species of 
<taxonomicName authorityName="Kirkaldy" authorityYear="1902" class="Insecta" family="Gerridae" genus="Eotrechus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Eotrechus" order="Hemiptera" pageId="0" pageNumber="69" phylum="Arthropoda" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="69">Eotrechus</emphasis>
</taxonomicName>
, e.g., relative lengths of the mesosternum and metasternum, structure of the fore femur, structures of the abdominal sterna, and modification of the male genitalia, we propose the classification of this genus into seven species groups, as in the Taxonomic account section below. The assumption of monophyly of each species group and the relationship among species of 
<taxonomicName authorityName="Kirkaldy" authorityYear="1902" class="Insecta" family="Gerridae" genus="Eotrechus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Eotrechus" order="Hemiptera" pageId="0" pageNumber="69" phylum="Arthropoda" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="69">Eotrechus</emphasis>
</taxonomicName>
still needs to be tested by future phylogenetic analyses.
</paragraph>
<paragraph pageId="0" pageNumber="69">
Note that 
<taxonomicName lsidName="E. sinensis" pageId="0" pageNumber="69" rank="species" species="sinensis">
<emphasis italics="true" pageId="0" pageNumber="69">E. sinensis</emphasis>
</taxonomicName>
Andersen, 1982 cannot be assigned to any species group. The only known specimen of this species is a female and was not available for this study; thus, it was not possible to assess the relationship of this species with its congeners (see Remarks for 
<taxonomicName lsidName="E. sinensis" pageId="0" pageNumber="69" rank="species" species="sinensis">
<emphasis italics="true" pageId="0" pageNumber="69">E. sinensis</emphasis>
</taxonomicName>
).
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="69" type="revised key to species of eotrechus">
<paragraph pageId="0" pageNumber="69">
Revised key to species of 
<taxonomicName authorityName="Kirkaldy" authorityYear="1902" class="Insecta" family="Gerridae" genus="Eotrechus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Eotrechus" order="Hemiptera" pageId="0" pageNumber="69" phylum="Arthropoda" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="69">Eotrechus</emphasis>
</taxonomicName>
</paragraph>
<paragraph pageId="0" pageNumber="69">
<table inLine="true" pageId="0" pageNumber="69">
<tr pageId="0" pageNumber="69">
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">1</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">Mesosternum clearly less than twice as long as metasternum. Fore femur slender, basal part as slender as that of other femora</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">2</td>
</tr>
<tr pageId="0" pageNumber="69">
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">-</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">Mesosternum more than twice as long as metasternum. Fore femur incrassate</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">4</td>
</tr>
<tr pageId="0" pageNumber="69">
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">2</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">
Antennal segment III only slightly shorter than each other segment. Paramere slender, proximal part not clearly wider than distal part, apex narrow (Figs 
<figureCitation captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Eotrechus kalidasa, specimen from India (A-C) and E. steineri sp. nov. (D-F). A, D. Pygophore, lateral view; B, E. Proctiger, dorsal view; C, F. Paramere, lateral view (A, B, D, E. Same scale; C, F. Same scale)." figureDoi="10.3897/dez.70.97117.figure4" httpUri="https://binary.pensoft.net/fig/826093" pageId="0" pageNumber="69">4C</figureCitation>
, 
<figureCitation captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Eotrechus steineri sp. nov. (A-E) and E. kalidasa (F). A. Fore leg of male; B. Abdomen of male, ventral view; C, D. Posterior part of abdomen of female, dorsal and lateral views; E, F. Paramere, lateral view (B-D. Same scale; E, F. Same scale)." figureDoi="10.3897/dez.70.97117.figure5" httpUri="https://binary.pensoft.net/fig/826094" pageId="0" pageNumber="69">5F</figureCitation>
)
</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">
<taxonomicName lsidName="E. kalidasa" pageId="0" pageNumber="69" rank="species" species="kalidasa">
<emphasis italics="true" pageId="0" pageNumber="69">E. kalidasa</emphasis>
</taxonomicName>
Kirkaldy, 1902
</td>
</tr>
<tr pageId="0" pageNumber="69">
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">-</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">
Antennal segment III distinctly shorter than other segments, at most 0.9 
<normalizedToken originalValue="×">x</normalizedToken>
the length of each other segment. Proximal part of paramere about twice wider than distal part, apex rounded
</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">3</td>
</tr>
<tr pageId="0" pageNumber="69">
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">3</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">
Fore leg: tarsal segment I shorter, ca. 0.7 
<normalizedToken originalValue="×">x</normalizedToken>
the length of segment II. Paramere: proximal half twice as wide as distal half, distal half stout, slightly twisted (Fig. 
<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Eotrechus fuscus. A. Pygophore, lateral view; B. Proctiger, dorsal view; C. paramere, lateral view; D, E. Posterior part of abdomen, female, dorsal and lateral views (A, B. Same scale; D, E. Same scale)." figureDoi="10.3897/dez.70.97117.figure2" httpUri="https://binary.pensoft.net/fig/826091" pageId="0" pageNumber="69">2C</figureCitation>
)
</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">
<taxonomicName lsidName="E. fuscus" pageId="0" pageNumber="69" rank="species" species="fuscus">
<emphasis italics="true" pageId="0" pageNumber="69">E. fuscus</emphasis>
</taxonomicName>
Basu, Chandra &amp; Venkatesan, 2017
</td>
</tr>
<tr pageId="0" pageNumber="69">
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">-</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">
Fore leg: tarsal segment I longer, 1.10-1.25 
<normalizedToken originalValue="×">x</normalizedToken>
the length of segment II. Paramere: proximal third twice as wide as distal part, distal two-thirds slender, directed slightly dorsad (Figs 
<figureCitation captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Eotrechus kalidasa, specimen from India (A-C) and E. steineri sp. nov. (D-F). A, D. Pygophore, lateral view; B, E. Proctiger, dorsal view; C, F. Paramere, lateral view (A, B, D, E. Same scale; C, F. Same scale)." figureDoi="10.3897/dez.70.97117.figure4" httpUri="https://binary.pensoft.net/fig/826093" pageId="0" pageNumber="69">4F</figureCitation>
, 
<figureCitation captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Eotrechus steineri sp. nov. (A-E) and E. kalidasa (F). A. Fore leg of male; B. Abdomen of male, ventral view; C, D. Posterior part of abdomen of female, dorsal and lateral views; E, F. Paramere, lateral view (B-D. Same scale; E, F. Same scale)." figureDoi="10.3897/dez.70.97117.figure5" httpUri="https://binary.pensoft.net/fig/826094" pageId="0" pageNumber="69">5E</figureCitation>
)
</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">
<taxonomicName lsidName="E. steineri" pageId="0" pageNumber="69" rank="species" species="steineri">
<emphasis italics="true" pageId="0" pageNumber="69">E. steineri</emphasis>
</taxonomicName>
sp. nov.
</td>
</tr>
<tr pageId="0" pageNumber="69">
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">4</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">Male specimens</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">5</td>
</tr>
<tr pageId="0" pageNumber="69">
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">-</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">Female specimens [identification is more reliable with associated male specimens]</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">23</td>
</tr>
<tr pageId="0" pageNumber="69">
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">5</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">Fore femur with broad basal tubercle or with a spot of dense minute black setae. Pygophore with one caudal projection, but without posterolateral projections</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">6</td>
</tr>
<tr pageId="0" pageNumber="69">
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">-</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">Fore femur simple, without basal tubercle. Pygophore with a pair of posterolateral projections, but without caudal projection</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">15</td>
</tr>
<tr pageId="0" pageNumber="69">
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">6</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">Basal tubercle of fore femur produced into tooth-like elevation or a small nodule. Caudal projection of pygophore expanded posterolaterally</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">7</td>
</tr>
<tr pageId="0" pageNumber="69">
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">-</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">Basal tubercle of fore femur simple, without tooth-like elevation or nodule. Caudal projection of pygophore not modified as above</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">8</td>
</tr>
<tr pageId="0" pageNumber="69">
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">7</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">
Basal tubercle of fore femur produced into tooth-like elevation (Fig. 
<figureCitation captionStart="Figure 15" captionStartId="F15" captionText="Figure 15. Eotrechus elongatus (A-E) and E. siamensis (F-I), males. A, B, F. Right fore leg (A, F. Ventral view; B. Dorsal view); C, G. Genital capsule, lateral view; D, H. Pygophore, dorsal view; E, I. Proctiger, dorsal view (A, B, F. Same scale; C-E, G-I. Same scale)." figureDoi="10.3897/dez.70.97117.figure15" httpUri="https://binary.pensoft.net/fig/826104" pageId="0" pageNumber="69">15F</figureCitation>
). Caudal projection of pygophore with concave posterior margin and two angular posterolateral tips (Fig. 
<figureCitation captionStart="Figure 15" captionStartId="F15" captionText="Figure 15. Eotrechus elongatus (A-E) and E. siamensis (F-I), males. A, B, F. Right fore leg (A, F. Ventral view; B. Dorsal view); C, G. Genital capsule, lateral view; D, H. Pygophore, dorsal view; E, I. Proctiger, dorsal view (A, B, F. Same scale; C-E, G-I. Same scale)." figureDoi="10.3897/dez.70.97117.figure15" httpUri="https://binary.pensoft.net/fig/826104" pageId="0" pageNumber="69">15H</figureCitation>
)
</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">
<taxonomicName lsidName="E. siamensis" pageId="0" pageNumber="69" rank="species" species="siamensis">
<emphasis italics="true" pageId="0" pageNumber="69">E. siamensis</emphasis>
</taxonomicName>
Vitheepradit &amp; Sites, 2007
</td>
</tr>
<tr pageId="0" pageNumber="69">
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">-</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">
Basal tubercle of fore femur with a small nodule bearing minute black setae (Fig. 
<figureCitation captionStart="Figure 17" captionStartId="F17" captionText="Figure 17. Eotrechus konkakinh sp. nov. A, B. Right fore leg of male, dorsal and ventral views; C. Abdomen of male, ventral view; D. Genitalia, lateral view; E, F. Pygophore, ventral and dorsal views; G. Proctiger, dorsal view; H, I. Posterior part of abdomen of female, dorsal and ventral views (A-C, H, I. Same scale; D-G. Same scale)." figureDoi="10.3897/dez.70.97117.figure17" httpUri="https://binary.pensoft.net/fig/826106" pageId="0" pageNumber="69">17A, B</figureCitation>
). Caudal projection of pygophore with almost straight posterior margin and two lateral lobes (Fig. 
<figureCitation captionStart="Figure 17" captionStartId="F17" captionText="Figure 17. Eotrechus konkakinh sp. nov. A, B. Right fore leg of male, dorsal and ventral views; C. Abdomen of male, ventral view; D. Genitalia, lateral view; E, F. Pygophore, ventral and dorsal views; G. Proctiger, dorsal view; H, I. Posterior part of abdomen of female, dorsal and ventral views (A-C, H, I. Same scale; D-G. Same scale)." figureDoi="10.3897/dez.70.97117.figure17" httpUri="https://binary.pensoft.net/fig/826106" pageId="0" pageNumber="69">17D-F</figureCitation>
)
</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">
<taxonomicName lsidName="E. konkakinh" pageId="0" pageNumber="69" rank="species" species="konkakinh">
<emphasis italics="true" pageId="0" pageNumber="69">E. konkakinh</emphasis>
</taxonomicName>
sp. nov.
</td>
</tr>
<tr pageId="0" pageNumber="69">
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">8</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">Pygophore produced caudally into triangular or narrowly pointed projection</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">9</td>
</tr>
<tr pageId="0" pageNumber="69">
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">-</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">Pygophore produced caudally into broad plate-like projection</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">12</td>
</tr>
<tr pageId="0" pageNumber="69">
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">9</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">Caudal projection of pygophore very long and slender, with length of projection distinctly greater than width of pygophore</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">10</td>
</tr>
<tr pageId="0" pageNumber="69">
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">-</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">Caudal projection of pygophore shorter, with length of projection clearly less than width of pygophore</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">11</td>
</tr>
<tr pageId="0" pageNumber="69">
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">10</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">
Caudal projection of pygophore gradually tapering towards apex (in ventral view), evenly curved dorsad (in lateral view) (Fig. 
<figureCitation captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Eotrechus petraeus, holotype. A, B. Genitalia, ventral and lateral views; C, D. Pygophore, lateral and dorsal views; E, F. Proctiger, lateral and dorsal views. (A, B. Same scale; C-F. Same scale)." figureDoi="10.3897/dez.70.97117.figure7" httpUri="https://binary.pensoft.net/fig/826096" pageId="0" pageNumber="69">7A-D</figureCitation>
). Lateral process of proctiger rectangular (Fig. 
<figureCitation captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Eotrechus petraeus, holotype. A, B. Genitalia, ventral and lateral views; C, D. Pygophore, lateral and dorsal views; E, F. Proctiger, lateral and dorsal views. (A, B. Same scale; C-F. Same scale)." figureDoi="10.3897/dez.70.97117.figure7" httpUri="https://binary.pensoft.net/fig/826096" pageId="0" pageNumber="69">7F</figureCitation>
). Paramere elongated, length&gt;2.0 
<normalizedToken originalValue="×">x</normalizedToken>
width (Fig. 
<figureCitation captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Eotrechus petraeus, holotype. A, B. Genitalia, ventral and lateral views; C, D. Pygophore, lateral and dorsal views; E, F. Proctiger, lateral and dorsal views. (A, B. Same scale; C-F. Same scale)." figureDoi="10.3897/dez.70.97117.figure7" httpUri="https://binary.pensoft.net/fig/826096" pageId="0" pageNumber="69">7D</figureCitation>
)
</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">
<taxonomicName lsidName="E. petraeus" pageId="0" pageNumber="69" rank="species" species="petraeus">
<emphasis italics="true" pageId="0" pageNumber="69">E. petraeus</emphasis>
</taxonomicName>
Andersen, 1982
</td>
</tr>
<tr pageId="0" pageNumber="69">
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">-</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">
Caudal projection of pygophore very slender (in ventral view), strongly bent dorsad at apical part (in lateral view) (Fig. 
<figureCitation captionStart="Figure 9" captionStartId="F9" captionText="Figure 9. Eotrechus kerberos sp. nov., holotype. A. Left fore leg, ventral view; B, C. Pygophore, lateral and dorsal views; D. Proctiger, dorsal view; E. Paramere, lateral view (B-D. Same scale)." figureDoi="10.3897/dez.70.97117.figure9" httpUri="https://binary.pensoft.net/fig/826098" pageId="0" pageNumber="69">9B, C</figureCitation>
). Lateral process of proctiger acute, pointing posteriorly (Fig. 
<figureCitation captionStart="Figure 9" captionStartId="F9" captionText="Figure 9. Eotrechus kerberos sp. nov., holotype. A. Left fore leg, ventral view; B, C. Pygophore, lateral and dorsal views; D. Proctiger, dorsal view; E. Paramere, lateral view (B-D. Same scale)." figureDoi="10.3897/dez.70.97117.figure9" httpUri="https://binary.pensoft.net/fig/826098" pageId="0" pageNumber="69">9D</figureCitation>
). Paramere small and with conical apex, length ca. 1.5 
<normalizedToken originalValue="×">x</normalizedToken>
width (Fig. 
<figureCitation captionStart="Figure 9" captionStartId="F9" captionText="Figure 9. Eotrechus kerberos sp. nov., holotype. A. Left fore leg, ventral view; B, C. Pygophore, lateral and dorsal views; D. Proctiger, dorsal view; E. Paramere, lateral view (B-D. Same scale)." figureDoi="10.3897/dez.70.97117.figure9" httpUri="https://binary.pensoft.net/fig/826098" pageId="0" pageNumber="69">9E</figureCitation>
)
</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">
<taxonomicName lsidName="E. kerberos" pageId="0" pageNumber="69" rank="species" species="kerberos">
<emphasis italics="true" pageId="0" pageNumber="69">E. kerberos</emphasis>
</taxonomicName>
sp. nov.
</td>
</tr>
<tr pageId="0" pageNumber="69">
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">11</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">
Pygophore: lateral tubercles less distinct; caudal projection slender, with pointed apex (Figs 
<figureCitation captionStart="Figure 12" captionStartId="F12" captionText="Figure 12. Eotrechus thai sp. nov., male genitalia. A. Lateral view; B. Dorsal view; C. Ventral view." figureDoi="10.3897/dez.70.97117.figure12" httpUri="https://binary.pensoft.net/fig/826101" pageId="0" pageNumber="69">12</figureCitation>
, 
<figureCitation captionStart="Figure 13" captionStartId="F13" captionText="Figure 13. Eotrechus romglao (A, C-E) and E. thai sp. nov. (B, F-I). A, B. Right fore leg, ventral view; C, G. Genital capsule (pygophore and proctiger) of male, lateral view; D, H. Pygophore, dorsal view; E, I. Proctiger, dorsal view; F. Abdominal apex of female, dorsal view (A, B. Same scale; C-E, G-I. Same scale)." figureDoi="10.3897/dez.70.97117.figure13" httpUri="https://binary.pensoft.net/fig/826102" pageId="0" pageNumber="69">13G, H</figureCitation>
). Proctiger, in dorsal view: posterolateral tubercle indistinct, apex of proctiger rounded (Figs 
<figureCitation captionStart="Figure 12" captionStartId="F12" captionText="Figure 12. Eotrechus thai sp. nov., male genitalia. A. Lateral view; B. Dorsal view; C. Ventral view." figureDoi="10.3897/dez.70.97117.figure12" httpUri="https://binary.pensoft.net/fig/826101" pageId="0" pageNumber="69">12B</figureCitation>
, 
<figureCitation captionStart="Figure 13" captionStartId="F13" captionText="Figure 13. Eotrechus romglao (A, C-E) and E. thai sp. nov. (B, F-I). A, B. Right fore leg, ventral view; C, G. Genital capsule (pygophore and proctiger) of male, lateral view; D, H. Pygophore, dorsal view; E, I. Proctiger, dorsal view; F. Abdominal apex of female, dorsal view (A, B. Same scale; C-E, G-I. Same scale)." figureDoi="10.3897/dez.70.97117.figure13" httpUri="https://binary.pensoft.net/fig/826102" pageId="0" pageNumber="69">13I</figureCitation>
)
</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">
<taxonomicName lsidName="E. thai" pageId="0" pageNumber="69" rank="species" species="thai">
<emphasis italics="true" pageId="0" pageNumber="69">E. thai</emphasis>
</taxonomicName>
sp. nov.
</td>
</tr>
<tr pageId="0" pageNumber="69">
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">-</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">
Pygophore: lateral tubercles prominent, pointing laterad; caudal projection broad, with rounded apex (Fig. 
<figureCitation captionStart="Figure 13" captionStartId="F13" captionText="Figure 13. Eotrechus romglao (A, C-E) and E. thai sp. nov. (B, F-I). A, B. Right fore leg, ventral view; C, G. Genital capsule (pygophore and proctiger) of male, lateral view; D, H. Pygophore, dorsal view; E, I. Proctiger, dorsal view; F. Abdominal apex of female, dorsal view (A, B. Same scale; C-E, G-I. Same scale)." figureDoi="10.3897/dez.70.97117.figure13" httpUri="https://binary.pensoft.net/fig/826102" pageId="0" pageNumber="69">13C, D</figureCitation>
). Proctiger, in dorsal view: posterolateral tubercle strongly swollen, apex of proctiger angular (Fig. 
<figureCitation captionStart="Figure 13" captionStartId="F13" captionText="Figure 13. Eotrechus romglao (A, C-E) and E. thai sp. nov. (B, F-I). A, B. Right fore leg, ventral view; C, G. Genital capsule (pygophore and proctiger) of male, lateral view; D, H. Pygophore, dorsal view; E, I. Proctiger, dorsal view; F. Abdominal apex of female, dorsal view (A, B. Same scale; C-E, G-I. Same scale)." figureDoi="10.3897/dez.70.97117.figure13" httpUri="https://binary.pensoft.net/fig/826102" pageId="0" pageNumber="69">13E</figureCitation>
)
</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">
<taxonomicName lsidName="E. romglao" pageId="0" pageNumber="69" rank="species" species="romglao">
<emphasis italics="true" pageId="0" pageNumber="69">E. romglao</emphasis>
</taxonomicName>
Vitheepradit &amp; Sites, 2007
</td>
</tr>
<tr pageId="0" pageNumber="69">
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">12</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">Lateral tubercles of pygophore distinct, situated near narrowest part of pygophore</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">13</td>
</tr>
<tr pageId="0" pageNumber="69">
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">-</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">Lateral tubercles of pygophore absent or indistinct</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">14</td>
</tr>
<tr pageId="0" pageNumber="69">
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">13</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">Pygophore: with dense long and soft setae on ventrolateral surface; lateral tubercles small. Proctiger: with patch of long setae on ventrocaudal surface; posterolateral lobes small, angular</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">
<taxonomicName lsidName="E. fansipan" pageId="0" pageNumber="69" rank="species" species="fansipan">
<emphasis italics="true" pageId="0" pageNumber="69">E. fansipan</emphasis>
</taxonomicName>
J. Polhemus, Tran &amp; D. Polhemus, 2009
</td>
</tr>
<tr pageId="0" pageNumber="69">
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">-</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">
Pygophore: without dense setae on ventrolateral surface; lateral tubercles large (Fig. 
<figureCitation captionStart="Figure 14" captionStartId="F14" captionText="Figure 14. Eotrechus pingae, holotype. A. Right fore leg; B, C. Pygophore, dorsal and lateral views; D. Proctiger, dorsal view (B-D. same scale)." figureDoi="10.3897/dez.70.97117.figure14" httpUri="https://binary.pensoft.net/fig/826103" pageId="0" pageNumber="69">14B, C</figureCitation>
). Proctiger: without patch of long setae on ventrocaudal surface; posterolateral lobes large, rounded (Fig. 
<figureCitation captionStart="Figure 14" captionStartId="F14" captionText="Figure 14. Eotrechus pingae, holotype. A. Right fore leg; B, C. Pygophore, dorsal and lateral views; D. Proctiger, dorsal view (B-D. same scale)." figureDoi="10.3897/dez.70.97117.figure14" httpUri="https://binary.pensoft.net/fig/826103" pageId="0" pageNumber="69">14D</figureCitation>
)
</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">
<taxonomicName lsidName="E. pingae" pageId="0" pageNumber="69" rank="species" species="pingae">
<emphasis italics="true" pageId="0" pageNumber="69">E. pingae</emphasis>
</taxonomicName>
Andersen, 1998
</td>
</tr>
<tr pageId="0" pageNumber="69">
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">14</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">Caudal projection of pygophore about as long as wide. Posterolateral lobes of proctiger large, directed caudad, reaching median apex of proctiger (in dorsal view)</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">
<taxonomicName lsidName="E. luaae" pageId="0" pageNumber="69" rank="species" species="luaae">
<emphasis italics="true" pageId="0" pageNumber="69">E. luaae</emphasis>
</taxonomicName>
Tran &amp; Zettel, 2006
</td>
</tr>
<tr pageId="0" pageNumber="69">
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">-</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">
Caudal projection of pygophore clearly longer than wide (Fig. 
<figureCitation captionStart="Figure 15" captionStartId="F15" captionText="Figure 15. Eotrechus elongatus (A-E) and E. siamensis (F-I), males. A, B, F. Right fore leg (A, F. Ventral view; B. Dorsal view); C, G. Genital capsule, lateral view; D, H. Pygophore, dorsal view; E, I. Proctiger, dorsal view (A, B, F. Same scale; C-E, G-I. Same scale)." figureDoi="10.3897/dez.70.97117.figure15" httpUri="https://binary.pensoft.net/fig/826104" pageId="0" pageNumber="69">15C, D</figureCitation>
). Posterolateral lobes of proctiger smaller, directed posterolaterad, distinctly not reaching median apex of proctiger (in dorsal view) (Fig. 
<figureCitation captionStart="Figure 15" captionStartId="F15" captionText="Figure 15. Eotrechus elongatus (A-E) and E. siamensis (F-I), males. A, B, F. Right fore leg (A, F. Ventral view; B. Dorsal view); C, G. Genital capsule, lateral view; D, H. Pygophore, dorsal view; E, I. Proctiger, dorsal view (A, B, F. Same scale; C-E, G-I. Same scale)." figureDoi="10.3897/dez.70.97117.figure15" httpUri="https://binary.pensoft.net/fig/826104" pageId="0" pageNumber="69">15E</figureCitation>
)
</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">
<taxonomicName lsidName="E. elongatus" pageId="0" pageNumber="69" rank="species" species="elongatus">
<emphasis italics="true" pageId="0" pageNumber="69">E. elongatus</emphasis>
</taxonomicName>
Vitheepradit &amp; Sites, 2007
</td>
</tr>
<tr pageId="0" pageNumber="69">
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">15</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">Pygophore without posterolateral projections, usually with only long setae posterolaterally</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">16</td>
</tr>
<tr pageId="0" pageNumber="69">
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">-</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">Pygophore with a pair of well-developed posterolateral projections</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">18</td>
</tr>
<tr pageId="0" pageNumber="69">
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">16</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">Fore femur with a row of four long, stiff setae on flexor side; fore tibia with a row of long, stiff setae on extensor side. Pygophore simple, not modified posteriorly, with long, soft setae</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">
<taxonomicName lsidName="E. hygropetricus" pageId="0" pageNumber="69" rank="species" species="hygropetricus">
<emphasis italics="true" pageId="0" pageNumber="69">E. hygropetricus</emphasis>
</taxonomicName>
Andersen, 1982
</td>
</tr>
<tr pageId="0" pageNumber="69">
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">-</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">Fore femur without long, stiff setae on flexor side; fore tibia without long, stiff setae. Pygophore with very dense setae or posterolaterally modified</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">17</td>
</tr>
<tr pageId="0" pageNumber="69">
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">17</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">
Fore femur strongly incrassate at basal part, length ca. 4.3 
<normalizedToken originalValue="×">x</normalizedToken>
maximum width. Pygophore and proctiger with very dense, bristle-like, black setae; posterolateral processes of pygophore short, bearing a tuft of tightly packed, thick setae
</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">
<taxonomicName lsidName="E. pilicaudatus" pageId="0" pageNumber="69" rank="species" species="pilicaudatus">
<emphasis italics="true" pageId="0" pageNumber="69">E. pilicaudatus</emphasis>
</taxonomicName>
Tran &amp; Zettel, 2006
</td>
</tr>
<tr pageId="0" pageNumber="69">
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">-</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">
Fore femur moderately incrassate, length about ca. 6.2 
<normalizedToken originalValue="×">x</normalizedToken>
maximum width. Pygophore and proctiger with sparser and shorter, soft, brownish setae; posterolateral corners of pygophore rounded or produced into small lobes, without a tuft of tightly packed, thick setae (Figs 
<figureCitation captionStart="Figure 18" captionStartId="F18" captionText="Figure 18. Eotrechus boukali sp. nov. A, B. Habitus; A. Apterous male; B. Apterous female; C. Pygophore, dorsal view; D. Proctiger, dorsal view (A, B. Same scale; C, D. Same scale)." figureDoi="10.3897/dez.70.97117.figure18" httpUri="https://binary.pensoft.net/fig/826107" pageId="0" pageNumber="69">18C, D</figureCitation>
, 
<figureCitation captionStart="Figure 19" captionStartId="F19" captionText="Figure 19. Eotrechus boukali sp. nov. (A-J) and E. hygropetricus (K). A. Right fore leg of male; B. Abdomen of male, ventral view (excluding genital capsule); C. Right fore leg of female; D, G. Genital capsule, lateral view; E, H. Genital capsule ventral view; F. Genital capsule, dorsal view (D-F. Paratype from location 22 ° 19.113 ' N, 94 ° 28.518 ' E; G, H. Paratype from location 22 ° 19.094 ' N, 94 ° 28.823 ' E); I, K. Abdomen of female, lateral view; J. Abdomen of female, lateral view (A, B, I-K. Same scale; D-H. Same scale)." figureDoi="10.3897/dez.70.97117.figure19" httpUri="https://binary.pensoft.net/fig/826108" pageId="0" pageNumber="69">19D-F</figureCitation>
)
</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">
<taxonomicName lsidName="E. boukali" pageId="0" pageNumber="69" rank="species" species="boukali">
<emphasis italics="true" pageId="0" pageNumber="69">E. boukali</emphasis>
</taxonomicName>
sp. nov.
</td>
</tr>
<tr pageId="0" pageNumber="69">
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">18</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">Posterolateral projections of pygophore slender, simple, directed caudad, apex of projection narrowly rounded or pointed</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">19</td>
</tr>
<tr pageId="0" pageNumber="69">
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">-</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">Posterolateral projections of pygophore broad, usually flat, directed posterolaterally, apex of projection more modified</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">21</td>
</tr>
<tr pageId="0" pageNumber="69">
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">19</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">Posterolateral projections of pygophore thick, with rounded apices, and distal part swollen, covered with dense, long, bristle-like setae</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">
<taxonomicName lsidName="E. anderseni" pageId="0" pageNumber="69" rank="species" species="anderseni">
<emphasis italics="true" pageId="0" pageNumber="69">E. anderseni</emphasis>
</taxonomicName>
sp. nov.
</td>
</tr>
<tr pageId="0" pageNumber="69">
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">-</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">Posterolateral projections of pygophore tapering towards narrow apices, without long, bristle-like setae</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">20</td>
</tr>
<tr pageId="0" pageNumber="69">
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">20</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">
Posterolateral projections of pygophore in lateral view with a notch on lower margin and with broader distal part (Fig. 
<figureCitation captionStart="Figure 21" captionStartId="F21" captionText="Figure 21. Eotrechus longipes, holotype. A. Right fore leg; B. Abdominal apex, ventral view." figureDoi="10.3897/dez.70.97117.figure21" httpUri="https://binary.pensoft.net/fig/826110" pageId="0" pageNumber="69">21B</figureCitation>
)
</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">
<taxonomicName lsidName="E. longipes" pageId="0" pageNumber="69" rank="species" species="longipes">
<emphasis italics="true" pageId="0" pageNumber="69">E. longipes</emphasis>
</taxonomicName>
Andersen, 1982
</td>
</tr>
<tr pageId="0" pageNumber="69">
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">-</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">Posterolateral projections of pygophore in lateral view without notch and with slender distal part</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">
<taxonomicName lsidName="E. terrestris" pageId="0" pageNumber="69" rank="species" species="terrestris">
<emphasis italics="true" pageId="0" pageNumber="69">E. terrestris</emphasis>
</taxonomicName>
Andersen, 1982
</td>
</tr>
<tr pageId="0" pageNumber="69">
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">21</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">Posterior margin of sternum VII with a broad, shallow median notch. Posterolateral projections of pygophore with finger-like process near apex</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">
<taxonomicName lsidName="E. brevipes" pageId="0" pageNumber="69" rank="species" species="brevipes">
<emphasis italics="true" pageId="0" pageNumber="69">E. brevipes</emphasis>
</taxonomicName>
Andersen, 1982
</td>
</tr>
<tr pageId="0" pageNumber="69">
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">-</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">Posterior margin of sternum VII deeply emarginated, length of median notch about half of the length of sternum VII. Posterolateral projections of pygophore without finger-like process</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">22</td>
</tr>
<tr pageId="0" pageNumber="69">
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">22</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">Posterolateral projections of pygophore thickened and broadened at distal part, with tubercles on both sides of each projection</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">
<taxonomicName lsidName="E. pumat" pageId="0" pageNumber="69" rank="species" species="pumat">
<emphasis italics="true" pageId="0" pageNumber="69">E. pumat</emphasis>
</taxonomicName>
J. Polhemus, Tran &amp; D. Polhemus, 2009
</td>
</tr>
<tr pageId="0" pageNumber="69">
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">-</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">Posterolateral projections of pygophore plate-shaped and without such tubercles</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">
<taxonomicName lsidName="E. vietnamensis" pageId="0" pageNumber="69" rank="species" species="vietnamensis">
<emphasis italics="true" pageId="0" pageNumber="69">E. vietnamensis</emphasis>
</taxonomicName>
Tran &amp; Yang, 2006
</td>
</tr>
<tr pageId="0" pageNumber="69">
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">23</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">Fore femur without a row of stiff setae on flexor side</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">24</td>
</tr>
<tr pageId="0" pageNumber="69">
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">-</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">Fore femur with a row of stiff setae on flexor side</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">27</td>
</tr>
<tr pageId="0" pageNumber="69">
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">24</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">Body length greater than 10.5. Sternum VII about as long as two preceding sterna combined</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">25</td>
</tr>
<tr pageId="0" pageNumber="69">
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">-</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">Body length clearly less than 8.5. Sternum VII clearly longer than two preceding sterna combined</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">26</td>
</tr>
<tr pageId="0" pageNumber="69">
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">25</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">
Third rostral segment curved and swollen at base (Fig. 
<figureCitation captionStart="Figure 23" captionStartId="F23" captionText="Figure 23. Eotrechus sp. A, macropterous female. A. Habitus; B. Head in lateral view showing rostrum; C. Terga VI-VIII, dorsal view." figureDoi="10.3897/dez.70.97117.figure23" httpUri="https://binary.pensoft.net/fig/826112" pageId="0" pageNumber="69">23B</figureCitation>
). Tergum VIII with tuft of long, bristle-like setae on each posterolateral corner (Fig. 
<figureCitation captionStart="Figure 23" captionStartId="F23" captionText="Figure 23. Eotrechus sp. A, macropterous female. A. Habitus; B. Head in lateral view showing rostrum; C. Terga VI-VIII, dorsal view." figureDoi="10.3897/dez.70.97117.figure23" httpUri="https://binary.pensoft.net/fig/826112" pageId="0" pageNumber="69">23C</figureCitation>
)
</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">
<taxonomicName authorityName="Kirkaldy" authorityYear="1902" class="Insecta" family="Gerridae" genus="Eotrechus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Eotrechus" order="Hemiptera" pageId="0" pageNumber="69" phylum="Arthropoda" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="69">Eotrechus</emphasis>
</taxonomicName>
sp. A
</td>
</tr>
<tr pageId="0" pageNumber="69">
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">-</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">Third rostral segment almost straight and not swollen at base. Tergum VIII simple, without tuft of long, bristle-like setae</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">
<taxonomicName lsidName="E. anderseni" pageId="0" pageNumber="69" rank="species" species="anderseni">
<emphasis italics="true" pageId="0" pageNumber="69">E. anderseni</emphasis>
</taxonomicName>
sp. nov.
</td>
</tr>
<tr pageId="0" pageNumber="69">
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">26</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">
Sternum VII 1.2-1.3 
<normalizedToken originalValue="×">x</normalizedToken>
as long as two preceding sterna combined. Genitalia totally enclosed by tergum VIII and sternum VII, proctiger not visible in lateral view
</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">
<taxonomicName lsidName="E. brevipes" pageId="0" pageNumber="69" rank="species" species="brevipes">
<emphasis italics="true" pageId="0" pageNumber="69">E. brevipes</emphasis>
</taxonomicName>
Andersen, 1982
</td>
</tr>
<tr pageId="0" pageNumber="69">
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">-</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">
Sternum VII ca. 1.5 
<normalizedToken originalValue="×">x</normalizedToken>
as long as two preceding sterna combined. Genitalia not totally enclosed, proctiger visible in lateral view
</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">
<taxonomicName lsidName="E. longipes" pageId="0" pageNumber="69" rank="species" species="longipes">
<emphasis italics="true" pageId="0" pageNumber="69">E. longipes</emphasis>
</taxonomicName>
Andersen, 1982 and 
<taxonomicName lsidName="E. terrestris" pageId="0" pageNumber="69" rank="species" species="terrestris">
<emphasis italics="true" pageId="0" pageNumber="69">E. terrestris</emphasis>
</taxonomicName>
Andersen, 1982
</td>
</tr>
<tr pageId="0" pageNumber="69">
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">27</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">
Dorsal surface of head with a yellowish stripe on midline. Fore femur with 4-5 long, stiff setae on flexor side. Length of mesosternum at least 4.0 
<normalizedToken originalValue="×">x</normalizedToken>
length of metasternum
</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">28</td>
</tr>
<tr pageId="0" pageNumber="69">
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">-</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">
Dorsal surface of head mainly brown, without yellowish stripe on midline. Fore femur with at least nine long, stiff setae on flexor side. Length of mesosternum less than 3.6 
<normalizedToken originalValue="×">x</normalizedToken>
length of metasternum
</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">29</td>
</tr>
<tr pageId="0" pageNumber="69">
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">28</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">
Sternum VII ca. 1.2 
<normalizedToken originalValue="×">x</normalizedToken>
as long as two preceding sterna combined
</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">
<taxonomicName lsidName="E. vietnamensis" pageId="0" pageNumber="69" rank="species" species="vietnamensis">
<emphasis italics="true" pageId="0" pageNumber="69">E. vietnamensis</emphasis>
</taxonomicName>
Tran &amp; Yang, 2006
</td>
</tr>
<tr pageId="0" pageNumber="69">
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">-</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">
Sternum VII ca. 1.6 
<normalizedToken originalValue="×">x</normalizedToken>
as long as two preceding sterna combined
</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">
<taxonomicName lsidName="E. pumat" pageId="0" pageNumber="69" rank="species" species="pumat">
<emphasis italics="true" pageId="0" pageNumber="69">E. pumat</emphasis>
</taxonomicName>
J. Polhemus, Tran &amp; D. Polhemus, 2009
</td>
</tr>
<tr pageId="0" pageNumber="69">
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">29</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">
Tergum VIII produced posterolaterally (Figs 
<figureCitation captionStart="Figure 10" captionStartId="F10" captionText="Figure 10. Eotrechus kerberos sp. nov. A-F. Holotype; A. Abdomen of male, ventral view (excluding genitalia); B, C, D. Pygophore, ventral, lateral, and dorsal views; E, F. Proctiger, lateral and dorsal views; G, H. Posterior part of abdomen of female, dorsal and lateral views (B-F. Same scale; G, H. Same scale)." figureDoi="10.3897/dez.70.97117.figure10" httpUri="https://binary.pensoft.net/fig/826099" pageId="0" pageNumber="69">10G</figureCitation>
, 
<figureCitation captionStart="Figure 13" captionStartId="F13" captionText="Figure 13. Eotrechus romglao (A, C-E) and E. thai sp. nov. (B, F-I). A, B. Right fore leg, ventral view; C, G. Genital capsule (pygophore and proctiger) of male, lateral view; D, H. Pygophore, dorsal view; E, I. Proctiger, dorsal view; F. Abdominal apex of female, dorsal view (A, B. Same scale; C-E, G-I. Same scale)." figureDoi="10.3897/dez.70.97117.figure13" httpUri="https://binary.pensoft.net/fig/826102" pageId="0" pageNumber="69">13F</figureCitation>
)
</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">30</td>
</tr>
<tr pageId="0" pageNumber="69">
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">-</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">Tergum VIII not as above, posterior margin almost straight</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">31</td>
</tr>
<tr pageId="0" pageNumber="69">
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">30</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">
Sternum VII slightly longer (ca. 1.1 
<normalizedToken originalValue="×">x</normalizedToken>
) than two preceding sterna combined
</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">
<taxonomicName lsidName="E. romglao" pageId="0" pageNumber="69" rank="species" species="romglao">
<emphasis italics="true" pageId="0" pageNumber="69">E. romglao</emphasis>
</taxonomicName>
Vitheepradit &amp; Sites, 2007
</td>
</tr>
<tr pageId="0" pageNumber="69">
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">-</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">
Sternum VII clearly longer (ca. 1.3 
<normalizedToken originalValue="×">x</normalizedToken>
) than two preceding sterna combined
</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">
<taxonomicName lsidName="E. thai" pageId="0" pageNumber="69" rank="species" species="thai">
<emphasis italics="true" pageId="0" pageNumber="69">E. thai</emphasis>
</taxonomicName>
sp. nov. and 
<taxonomicName lsidName="E. kerberos" pageId="0" pageNumber="69" rank="species" species="kerberos">
<emphasis italics="true" pageId="0" pageNumber="69">E. kerberos</emphasis>
</taxonomicName>
sp. nov.
</td>
</tr>
<tr pageId="0" pageNumber="69">
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">31</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">Stiff setae on flexor side of fore femur as long as greatest width of fore femur</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">32</td>
</tr>
<tr pageId="0" pageNumber="69">
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">-</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">Stiff setae on flexor side of fore femur distinctly shorter than greatest width of fore femur</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">33</td>
</tr>
<tr pageId="0" pageNumber="69">
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">32</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">
Fore trochanter with a distinct row of long, stiff setae. Combined median length of sterna II to VII ca. 0.4 
<normalizedToken originalValue="×">x</normalizedToken>
body length. Sternum VII about as long as two preceding sterna combined (Fig. 
<figureCitation captionStart="Figure 19" captionStartId="F19" captionText="Figure 19. Eotrechus boukali sp. nov. (A-J) and E. hygropetricus (K). A. Right fore leg of male; B. Abdomen of male, ventral view (excluding genital capsule); C. Right fore leg of female; D, G. Genital capsule, lateral view; E, H. Genital capsule ventral view; F. Genital capsule, dorsal view (D-F. Paratype from location 22 ° 19.113 ' N, 94 ° 28.518 ' E; G, H. Paratype from location 22 ° 19.094 ' N, 94 ° 28.823 ' E); I, K. Abdomen of female, lateral view; J. Abdomen of female, lateral view (A, B, I-K. Same scale; D-H. Same scale)." figureDoi="10.3897/dez.70.97117.figure19" httpUri="https://binary.pensoft.net/fig/826108" pageId="0" pageNumber="69">19K</figureCitation>
)
</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">
<taxonomicName lsidName="E. hygropetricus" pageId="0" pageNumber="69" rank="species" species="hygropetricus">
<emphasis italics="true" pageId="0" pageNumber="69">E. hygropetricus</emphasis>
</taxonomicName>
Andersen, 1982
</td>
</tr>
<tr pageId="0" pageNumber="69">
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">-</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">
Fore trochanter usually with only 2-3 stiff setae (Fig. 
<figureCitation captionStart="Figure 19" captionStartId="F19" captionText="Figure 19. Eotrechus boukali sp. nov. (A-J) and E. hygropetricus (K). A. Right fore leg of male; B. Abdomen of male, ventral view (excluding genital capsule); C. Right fore leg of female; D, G. Genital capsule, lateral view; E, H. Genital capsule ventral view; F. Genital capsule, dorsal view (D-F. Paratype from location 22 ° 19.113 ' N, 94 ° 28.518 ' E; G, H. Paratype from location 22 ° 19.094 ' N, 94 ° 28.823 ' E); I, K. Abdomen of female, lateral view; J. Abdomen of female, lateral view (A, B, I-K. Same scale; D-H. Same scale)." figureDoi="10.3897/dez.70.97117.figure19" httpUri="https://binary.pensoft.net/fig/826108" pageId="0" pageNumber="69">19C</figureCitation>
). Combined median length of sterna II to VII ca. 0.3 
<normalizedToken originalValue="×">x</normalizedToken>
body length. Sternum VII distinctly longer (ca. 1.5 
<normalizedToken originalValue="×">x</normalizedToken>
) than two preceding sterna combined (Fig. 
<figureCitation captionStart="Figure 19" captionStartId="F19" captionText="Figure 19. Eotrechus boukali sp. nov. (A-J) and E. hygropetricus (K). A. Right fore leg of male; B. Abdomen of male, ventral view (excluding genital capsule); C. Right fore leg of female; D, G. Genital capsule, lateral view; E, H. Genital capsule ventral view; F. Genital capsule, dorsal view (D-F. Paratype from location 22 ° 19.113 ' N, 94 ° 28.518 ' E; G, H. Paratype from location 22 ° 19.094 ' N, 94 ° 28.823 ' E); I, K. Abdomen of female, lateral view; J. Abdomen of female, lateral view (A, B, I-K. Same scale; D-H. Same scale)." figureDoi="10.3897/dez.70.97117.figure19" httpUri="https://binary.pensoft.net/fig/826108" pageId="0" pageNumber="69">19J</figureCitation>
)
</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">
<taxonomicName lsidName="E. boukali" pageId="0" pageNumber="69" rank="species" species="boukali">
<emphasis italics="true" pageId="0" pageNumber="69">E. boukali</emphasis>
</taxonomicName>
sp. nov.
</td>
</tr>
<tr pageId="0" pageNumber="69">
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">33</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">
Combined median length of sterna II to VII ca. 0.4 
<normalizedToken originalValue="×">x</normalizedToken>
body length. Sternum VII ca. 1.4 
<normalizedToken originalValue="×">x</normalizedToken>
as long as two preceding sterna combined; posterior margin of sternum VII produced medially
</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">
<taxonomicName lsidName="E. sinensis" pageId="0" pageNumber="69" rank="species" species="sinensis">
<emphasis italics="true" pageId="0" pageNumber="69">E. sinensis</emphasis>
</taxonomicName>
Andersen, 1982
</td>
</tr>
<tr pageId="0" pageNumber="69">
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">-</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">
Combined median length of sterna II to VII less than 0.4 
<normalizedToken originalValue="×">x</normalizedToken>
body length. Sternum VII at most 1.3 
<normalizedToken originalValue="×">x</normalizedToken>
as long as two preceding sterna combined; posterior margin of sternum VII not produced medially
</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">34</td>
</tr>
<tr pageId="0" pageNumber="69">
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">34</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">Pronotum without sublateral yellow markings</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">
<taxonomicName lsidName="E. siamensis" pageId="0" pageNumber="69" rank="species" species="siamensis">
<emphasis italics="true" pageId="0" pageNumber="69">E. siamensis</emphasis>
</taxonomicName>
Vitheepradit &amp; Sites, 2007
</td>
</tr>
<tr pageId="0" pageNumber="69">
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">-</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">Pronotum with sublateral yellow markings extending from anterior part</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">35</td>
</tr>
<tr pageId="0" pageNumber="69">
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">35</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">Sublateral yellow markings of pronotum longer, about two-thirds of pronotal length. Mesonotum of apterous morph mostly yellowish on anterior half</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">
<taxonomicName lsidName="E. konkakinh" pageId="0" pageNumber="69" rank="species" species="konkakinh">
<emphasis italics="true" pageId="0" pageNumber="69">E. konkakinh</emphasis>
</taxonomicName>
sp. nov.
</td>
</tr>
<tr pageId="0" pageNumber="69">
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">-</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">Sublateral yellow markings of pronotum shorter, less than half of pronotal length. Mesonotum of apterous morph mainly brown</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">36</td>
</tr>
<tr pageId="0" pageNumber="69">
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">36</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">
Sternum VII 1.0-1.1 
<normalizedToken originalValue="×">x</normalizedToken>
as long as two preceding sterna combined
</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">
<taxonomicName lsidName="E. luaae" pageId="0" pageNumber="69" rank="species" species="luaae">
<emphasis italics="true" pageId="0" pageNumber="69">E. luaae</emphasis>
</taxonomicName>
Tran &amp; Zettel, 2006
</td>
</tr>
<tr pageId="0" pageNumber="69">
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">-</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">
Sternum VII ca. 1.3 
<normalizedToken originalValue="×">x</normalizedToken>
as long as two preceding sterna combined
</td>
<td colspan="1" pageId="0" pageNumber="69" rowspan="1">
<taxonomicName lsidName="E. elongatus" pageId="0" pageNumber="69" rank="species" species="elongatus">
<emphasis italics="true" pageId="0" pageNumber="69">E. elongatus</emphasis>
</taxonomicName>
Vitheepradit &amp; Sites, 2007 and 
<taxonomicName lsidName="E. fansipan" pageId="0" pageNumber="69" rank="species" species="fansipan">
<emphasis italics="true" pageId="0" pageNumber="69">E. fansipan</emphasis>
</taxonomicName>
J. Polhemus, Tran &amp; D. Polhemus, 2009
</td>
</tr>
</table>
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="69" type="taxonomic account">
<paragraph pageId="0" pageNumber="69">Taxonomic account</paragraph>
<paragraph pageId="0" pageNumber="69">
<emphasis bold="true" pageId="0" pageNumber="69">
<taxonomicName authorityName="Kirkaldy" authorityYear="1902" class="Insecta" family="Gerridae" genus="Eotrechus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Eotrechus kalidasa" order="Hemiptera" pageId="0" pageNumber="69" phylum="Arthropoda" rank="species" species="kalidasa">
<emphasis italics="true" pageId="0" pageNumber="69">Eotrechus kalidasa</emphasis>
</taxonomicName>
species group
</emphasis>
</paragraph>
<paragraph pageId="0" pageNumber="69">
<emphasis bold="true" pageId="0" pageNumber="69">Diagnosis.</emphasis>
Fore leg long and slender. Mesosternum short, only 1.5-1.7 
<normalizedToken originalValue="×">x</normalizedToken>
length of metasternum. Male: sternum VII shorter than two preceding sterna combined, posterior margin concave or slightly emarginated. Male genitalia: pygophore with long and slender posterolateral projections; paramere well-developed, longer than wide; proctiger with broadly rounded apex. Female: sternum VII shorter than two preceding sterna combined.
</paragraph>
<paragraph pageId="0" pageNumber="69">
<emphasis bold="true" pageId="0" pageNumber="69">Species included.</emphasis>
<taxonomicName lsidName="E. kalidasa" pageId="0" pageNumber="69" rank="species" species="kalidasa">
<emphasis italics="true" pageId="0" pageNumber="69">E. kalidasa</emphasis>
</taxonomicName>
Kirkaldy, 1902, 
<taxonomicName lsidName="E. fuscus" pageId="0" pageNumber="69" rank="species" species="fuscus">
<emphasis italics="true" pageId="0" pageNumber="69">E. fuscus</emphasis>
</taxonomicName>
Basu, Chandra &amp; Venkatesan, 2017, and 
<taxonomicName lsidName="E. steineri" pageId="0" pageNumber="69" rank="species" species="steineri">
<emphasis italics="true" pageId="0" pageNumber="69">E. steineri</emphasis>
</taxonomicName>
sp. nov.
</paragraph>
</subSubSection>
</treatment>
</document>