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<document ID-DOI="http://dx.doi.org/10.3897/zookeys.975.55456" ID-GBIF-Dataset="bfcb4e07-aaea-419e-8bb5-08851e9f27dd" ID-PMC="PMC7572521" ID-Pensoft-Pub="1313-2970-975-11" ID-Pensoft-UUID="FE5DCB656614590DB4C35092D89F3F3D" ID-PubMed="33117063" ID-ZooBank="785EDF225A3242178C9B6433E0AD199F" ModsDocID="1313-2970-975-11" checkinTime="1602606874639" checkinUser="pensoft" docAuthor="Hendrich, Lars, Watts, Chris H. S. &amp; Balke, Michael" docDate="2020" docId="F1C213AFFE245ABEAEA3A8A92B7C2758" docLanguage="en" docName="ZooKeys 975: 11-49" docOrigin="ZooKeys 975" docSource="http://dx.doi.org/10.3897/zookeys.975.55456" docTitle="Gibbidessus rottnestensis Hendrich &amp; Watts &amp; Balke 2020, sp. nov." docType="treatment" docUuid="C19B9505-4465-4C4B-BFD4-1BE35B7E645E" docUuidSource="ZooBank" docVersion="4" id="FE5DCB656614590DB4C35092D89F3F3D" lastPageNumber="11" masterDocId="FE5DCB656614590DB4C35092D89F3F3D" masterDocTitle="The &quot; minute diving beetles &quot; of southern Australia - taxonomic revision of Gibbidessus Watts, 1978, with description of six new species (Coleoptera, Dytiscidae, Bidessini)" masterLastPageNumber="49" masterPageNumber="11" pageNumber="11" updateTime="1668169601453" updateUser="ExternalLinkService">
<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
<mods:titleInfo>
<mods:title>The &quot; minute diving beetles &quot; of southern Australia - taxonomic revision of Gibbidessus Watts, 1978, with description of six new species (Coleoptera, Dytiscidae, Bidessini)</mods:title>
</mods:titleInfo>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Hendrich, Lars</mods:namePart>
<mods:affiliation>SNSB - Zoologische Staatssammlung Muenchen, Muenchhausenstrasse 21, D - 81247 Muenchen, Germany</mods:affiliation>
<mods:nameIdentifier type="orcid">https://orcid.org/0000-0001-8366-0749</mods:nameIdentifier>
<mods:nameIdentifier type="email">hendrich1@aol.com</mods:nameIdentifier>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Watts, Chris H. S.</mods:namePart>
<mods:affiliation>South Australian Museum, North Terrace, Adelaide, South Australia 5000, Australia</mods:affiliation>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Balke, Michael</mods:namePart>
<mods:affiliation>SNSB - Zoologische Staatssammlung Muenchen, Muenchhausenstrasse 21, D - 81247 Muenchen, Germany</mods:affiliation>
<mods:nameIdentifier type="orcid">https://orcid.org/0000-0002-3773-6586</mods:nameIdentifier>
</mods:name>
<mods:typeOfResource>text</mods:typeOfResource>
<mods:relatedItem type="host">
<mods:titleInfo>
<mods:title>ZooKeys</mods:title>
</mods:titleInfo>
<mods:part>
<mods:date>2020</mods:date>
<mods:detail type="volume">
<mods:number>975</mods:number>
</mods:detail>
<mods:extent unit="page">
<mods:start>11</mods:start>
<mods:end>49</mods:end>
</mods:extent>
</mods:part>
</mods:relatedItem>
<mods:location>
<mods:url>http://dx.doi.org/10.3897/zookeys.975.55456</mods:url>
</mods:location>
<mods:classification>journal article</mods:classification>
<mods:identifier type="DOI">http://dx.doi.org/10.3897/zookeys.975.55456</mods:identifier>
<mods:identifier type="Pensoft-Pub">1313-2970-975-11</mods:identifier>
<mods:identifier type="ZooBank">785EDF225A3242178C9B6433E0AD199F</mods:identifier>
<mods:identifier type="Pensoft-UUID">FE5DCB656614590DB4C35092D89F3F3D</mods:identifier>
</mods:mods>
<treatment ID-GBIF-Taxon="168338745" LSID="urn:lsid:zoobank.org:act:C19B9505-4465-4C4B-BFD4-1BE35B7E645E" httpUri="http://treatment.plazi.org/id/F1C213AFFE245ABEAEA3A8A92B7C2758" lastPageNumber="11" pageId="0" pageNumber="11">
<subSubSection pageId="0" pageNumber="11" type="nomenclature">
<paragraph pageId="0" pageNumber="11">
<taxonomicName LSID="F1C213AF-FE24-5ABE-AEA3-A8A92B7C2758" authority="Hendrich &amp; Watts &amp; Balke, 2020" authorityName="Hendrich &amp; Watts &amp; Balke" authorityYear="2020" class="Insecta" family="Dytiscidae" genus="Gibbidessus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Gibbidessus rottnestensis" order="Coleoptera" pageId="0" pageNumber="11" phylum="Arthropoda" rank="species" species="rottnestensis" status="sp. nov.">Gibbidessus rottnestensis</taxonomicName>
<taxonomicNameLabel pageId="0" pageNumber="11">sp. nov.</taxonomicNameLabel>
<figureCitation captionStart="Figures 811" captionStartId="F3" captionText="Figures 8 - 11. Habitus of 8 G. pictipes, male 9 G. pictipes, female 10 G. rottnestensis sp. nov., male 11 G. rottnestensis sp. nov., female. Scale bar: 1.0 mm." figureDoi="10.3897/zookeys.975.55456.figures8-11" httpUri="https://binary.pensoft.net/fig/462662" pageId="0" pageNumber="11">Figs 10</figureCitation>
<figureCitation captionStart="Figures 811" captionStartId="F3" captionText="Figures 8 - 11. Habitus of 8 G. pictipes, male 9 G. pictipes, female 10 G. rottnestensis sp. nov., male 11 G. rottnestensis sp. nov., female. Scale bar: 1.0 mm." figureDoi="10.3897/zookeys.975.55456.figures8-11" httpUri="https://binary.pensoft.net/fig/462662" pageId="0" pageNumber="11">, 11</figureCitation>
<figureCitation captionStart="Figure 13" captionStartId="F5" captionText="Figure 13. Head of G. pictipes A without cervical line (red arrows), and of G. rottnestensis sp. nov. B without cervical line but rather a few punctures instead (red arrows)." figureDoi="10.3897/zookeys.975.55456.figure13" httpUri="https://binary.pensoft.net/fig/462664" pageId="0" pageNumber="11">, 13</figureCitation>
<figureCitation captionStart="Figures 20, 21" captionStartId="F9" captionText="Figures 20, 21. 20 Gibbidessus pictipes 21 G. rottnestensis sp. nov. A median lobe in ventral view B median lobe in lateral view, left side C left paramere in lateral view, D right paramere in lateral view. Scale bar: 0.2 mm." figureDoi="10.3897/zookeys.975.55456.figures20-21" httpUri="https://binary.pensoft.net/fig/462668" pageId="0" pageNumber="11">, 21</figureCitation>
<figureCitation captionStart="Figures 24, 25" captionStartId="F11" captionText="Figures 24, 25. Distribution of 24 Gibbidessus pictipes (black dots) 25 G. pederzanii sp. nov. (red dot), G. rottnestensis sp. nov. (blue dots)." figureDoi="10.3897/zookeys.975.55456.figures24-25" httpUri="https://binary.pensoft.net/fig/462670" pageId="0" pageNumber="11">, 25</figureCitation>
<figureCitation captionStart="Figure 28" captionStartId="F14" captionText="Figure 28. Habitat of Gibbidessus davidi sp. nov. and Gibbidessus rottnestensis sp. nov. A Shallow peaty pool with mats of floating grasses along Beeliar Swamps in Perth B same spot and habitat details with collecting methods." figureDoi="10.3897/zookeys.975.55456.figure28" httpUri="https://binary.pensoft.net/fig/462673" pageId="0" pageNumber="11">, 28</figureCitation>
<figureCitation captionStart="Figure 29" captionStartId="F15" captionText="Figure 29. Habitat of Gibbidessus rottnestensis sp. nov. A and B seasonally flooded wetlands at Wongonderrah Road, Nambung River Crossing, 38 Km ESE Cervantes." figureDoi="10.3897/zookeys.975.55456.figure29" httpUri="https://binary.pensoft.net/fig/462674" pageId="0" pageNumber="11">, 29</figureCitation>
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="11" type="reference_group">
<paragraph pageId="0" pageNumber="11">
<taxonomicName baseAuthorityName="Lea" baseAuthorityYear="1899" class="Insecta" family="Dytiscidae" genus="Uvarus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Uvarus pictipes" order="Coleoptera" pageId="0" pageNumber="11" phylum="Arthropoda" rank="species" species="pictipes">Uvarus pictipes</taxonomicName>
(Lea, 1899):
<bibRefCitation DOI="https://doi.org/10.1071/AJZS057" author="Watts, CHS" journalOrPublisher="Australian Journal of Zoology Supplement Series" pageId="0" pageNumber="11" pagination="1 - 166" refId="B19" refString="Watts, CHS, 1978. A revision of the Australian Dytiscidae (Coleoptera). Australian Journal of Zoology Supplement Series 57: 1 - 166, DOI: https://doi.org/10.1071/AJZS057" title="A revision of the Australian Dytiscidae (Coleoptera)." url="https://doi.org/10.1071/AJZS057" volume="57" year="1978">Watts (1978</bibRefCitation>
: 33, partim).
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="11" type="type locality">
<paragraph pageId="0" pageNumber="11">Type locality.</paragraph>
<paragraph pageId="0" pageNumber="11">
Australia, south-western Australia, Rottnest Island [
<geoCoordinate degrees="32" direction="south" minutes="0" orientation="latitude" precision="15" seconds="22" value="-32.00611">32°0'22S</geoCoordinate>
,
<geoCoordinate degrees="115" direction="east" minutes="30" orientation="longitude" precision="15" seconds="26" value="115.507225">115°30'26E</geoCoordinate>
].
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="11" type="type material">
<paragraph pageId="0" pageNumber="11">Type material.</paragraph>
<paragraph pageId="0" pageNumber="11">
<emphasis bold="true" pageId="0" pageNumber="11">
<emphasis italics="true" pageId="0" pageNumber="11">Holotype</emphasis>
:
</emphasis>
Male, &quot;W AUS, ca. 25 km N Augusta on Rd. 250, shallow pool, 4.11.2013, leg. Wewalka (A4)&quot; &quot;Holotype
<taxonomicName authorityName="Hendrich &amp; Watts &amp; Balke" authorityYear="2020" class="Insecta" family="Dytiscidae" genus="Gibbidessus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Gibbidessus rottnestensis" order="Coleoptera" pageId="0" pageNumber="11" phylum="Arthropoda" rank="species" species="rottnestensis">
<emphasis italics="true" pageId="0" pageNumber="11">Gibbidessus rottnestensis</emphasis>
</taxonomicName>
Hendrich, Watts &amp; Balke des. 2020&quot; [red printed label] (WAM).
<emphasis bold="true" pageId="0" pageNumber="11">
<emphasis italics="true" pageId="0" pageNumber="11">Paratypes</emphasis>
(27 exs.):
</emphasis>
4 specimens with same data as holotype (CGW, ZSM); 3 males, 1 female &quot;Rottnest Is. [
<geoCoordinate degrees="32" direction="south" minutes="0" orientation="latitude" precision="15" seconds="22" value="-32.00611">32°0'22S</geoCoordinate>
,
<geoCoordinate degrees="115" direction="east" minutes="30" orientation="longitude" precision="15" seconds="26" value="115.507225">115°30'26E</geoCoordinate>
]
<normalizedToken originalValue="Oct´">Oct'</normalizedToken>
31 W.A.&quot;, &quot;Australia, Harvard Exp., Darlington&quot;, &quot;Museum of Comparative Zoology&quot;, &quot; ANIC Database No. 25013255&quot; (ANIC); 3 specimens with same data, and &quot; SAMA Database No 25-00/596&quot; (SAMA). 2 exs., &quot;Australia, WA, Perth, Success, Beeliar RP, shallow peaty puddle
<geoCoordinate degrees="32" direction="south" minutes="8" orientation="latitude" precision="15" seconds="4" value="-32.134445">32°8'4S</geoCoordinate>
,
<geoCoordinate degrees="115" direction="east" minutes="50" orientation="longitude" precision="15" seconds="22" value="115.83945">115°50'22E</geoCoordinate>
21.-31.10.2015 L. Hendrich (WA 1/15)&quot;, &quot;M. Balke 7248&quot;, &quot;M. Balke 7247&quot; [green, printed label] (ZSM); 1 ex., &quot;Australia, WA, Albany Hwy, Muir Lakes Nature Reserve, SW part of Byenup Lagoon, 4. &amp; 5.1.2000,
<geoCoordinate degrees="34" direction="south" minutes="29" orientation="latitude" precision="925" value="-34.483334">34°29'S</geoCoordinate>
,
<geoCoordinate degrees="116" direction="east" minutes="44" orientation="longitude" precision="925" value="116.73333">116°44'E</geoCoordinate>
[
<geoCoordinate degrees="34" direction="south" minutes="30" orientation="latitude" precision="15" seconds="4" value="-34.50111">34°30'4S</geoCoordinate>
,
<geoCoordinate degrees="116" direction="east" minutes="44" orientation="longitude" precision="15" seconds="19" value="116.73861">116°44'19E</geoCoordinate>
], Hendrich leg. (loc. WA 11/157)&quot; (CLH); 3 exs., &quot;Australia, WA, 1 km W Kodjinup NP 34°24.03S, 116°38.37E [
<geoCoordinate degrees="34" direction="south" minutes="24" orientation="latitude" precision="15" seconds="1" value="-34.40028">34°24'1S</geoCoordinate>
,
<geoCoordinate degrees="116" direction="east" minutes="38" orientation="longitude" precision="15" seconds="22" value="116.63944">116°38'22E</geoCoordinate>
] 4.X.2003, CHS, Watts leg.&quot;, one specimen &quot;M. Balke 3921&quot; [green, printed label] (CLH, SAMA); 1 ex., &quot;WA Kodjinup N.R. [
<geoCoordinate degrees="34" direction="south" minutes="23" orientation="latitude" precision="15" seconds="10" value="-34.386112">34°23'10S</geoCoordinate>
,
<geoCoordinate degrees="116" direction="east" minutes="39" orientation="longitude" precision="15" seconds="30" value="116.65833">116°39'30E</geoCoordinate>
] 21/9/00 C.H.S.Watts&quot;, &quot; SAMA Database No 25-00/594&quot; (SAMA); 2 exs., &quot;AUSTRALIA, WA, Midlands, 38 Km ESE Cervantes, Wongonderrah Road, Nambung River Crossing, 9.9.2002,
<geoCoordinate degrees="30" direction="south" minutes="33" orientation="latitude" precision="15" seconds="21" value="-30.555832">30°33'21S</geoCoordinate>
,
<geoCoordinate degrees="115" direction="east" minutes="21" orientation="longitude" precision="15" seconds="27" value="115.3575">115°21'27E</geoCoordinate>
, Hendrich leg. /Loc. 28b/192b&quot; (CLH); 1 ex., &quot;SW Australia/ N Bunbury, Yalgorup N.P.
<normalizedToken originalValue="östl">oestl</normalizedToken>
. Preston Beach [
<geoCoordinate degrees="32" direction="south" minutes="52" orientation="latitude" precision="15" seconds="35" value="-32.87639">32°52'35S</geoCoordinate>
,
<geoCoordinate degrees="115" direction="east" minutes="40" orientation="longitude" precision="15" seconds="6" value="115.66833">115°40'6E</geoCoordinate>
], 0m, 24.11.1996, Hendrich leg./Lok. 30&quot; (CLH); 1 ex., &quot;Australia, WA, RVDLE03 Riverdale Wetland [
<geoCoordinate degrees="32" direction="south" minutes="59" orientation="latitude" precision="15" seconds="22" value="-32.989445">32°59'22S</geoCoordinate>
,
<geoCoordinate degrees="115" direction="east" minutes="47" orientation="longitude" precision="15" seconds="7" value="115.78528">115°47'7E</geoCoordinate>
], 23/09/2008, South West Catchment Council Mon.&quot; (DPAW); 1 ex., &quot;Australia, WA, Pindicup Lake [
<geoCoordinate degrees="34" direction="south" minutes="24" orientation="latitude" precision="15" seconds="35" value="-34.409725">34°24'35S</geoCoordinate>
,
<geoCoordinate degrees="116" direction="east" minutes="43" orientation="longitude" precision="15" seconds="20" value="116.72222">116°43'20E</geoCoordinate>
], MUB030, 29.09.2014, Muir-Byenup Survey, M. Pennifold leg.&quot; (DPAW); 1 ex., &quot;Australia, WA, Pindicup Lake [
<geoCoordinate degrees="34" direction="south" minutes="24" orientation="latitude" precision="15" seconds="35" value="-34.409725">34°24'35S</geoCoordinate>
,
<geoCoordinate degrees="116" direction="east" minutes="43" orientation="longitude" precision="15" seconds="20" value="116.72222">116°43'20E</geoCoordinate>
], MUB030, 25.09.2014, Muir-Byenup Survey, M. Pennifold leg.&quot; (DPAW); 2 ex., &quot;Australia, WA, wetland north of Mialla Lagoon [
<geoCoordinate degrees="33" direction="south" minutes="10" orientation="latitude" precision="15" seconds="04" value="-33.167778">33°10'04S</geoCoordinate>
,
<geoCoordinate degrees="115" direction="east" minutes="44" orientation="longitude" precision="15" seconds="01" value="115.733604">115°44'01E</geoCoordinate>
], MIAL01, 8/10/2007, South-west Catchment Council Wetland Monitoring&quot; (DPAW). All paratypes are provided with red printed paratype labels.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="11" type="notes">
<paragraph pageId="0" pageNumber="11">Note.</paragraph>
<paragraph pageId="0" pageNumber="11">
<bibRefCitation DOI="https://doi.org/10.1071/AJZS057" author="Watts, CHS" journalOrPublisher="Australian Journal of Zoology Supplement Series" pageId="0" pageNumber="11" pagination="1 - 166" refId="B19" refString="Watts, CHS, 1978. A revision of the Australian Dytiscidae (Coleoptera). Australian Journal of Zoology Supplement Series 57: 1 - 166, DOI: https://doi.org/10.1071/AJZS057" title="A revision of the Australian Dytiscidae (Coleoptera)." url="https://doi.org/10.1071/AJZS057" volume="57" year="1978">Watts (1978</bibRefCitation>
: 33) reports
<taxonomicName baseAuthorityName="Lea" baseAuthorityYear="1899" class="Insecta" family="Dytiscidae" genus="Uvarus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Uvarus pictipes" order="Coleoptera" pageId="0" pageNumber="11" phylum="Arthropoda" rank="species" species="pictipes">
<emphasis italics="true" pageId="0" pageNumber="11">Uvarus pictipes</emphasis>
</taxonomicName>
from Rottnest Island (housed in Museum of Comparative Zoology and SAMA); these specimens belong to
<taxonomicName authorityName="Hendrich &amp; Watts &amp; Balke" authorityYear="2020" class="Insecta" family="Dytiscidae" genus="Gibbidessus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Gibbidessus rottnestensis" order="Coleoptera" pageId="0" pageNumber="11" phylum="Arthropoda" rank="species" species="rottnestensis">
<emphasis italics="true" pageId="0" pageNumber="11">Gibbidessus rottnestensis</emphasis>
</taxonomicName>
sp. nov.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="11" type="diagnosis">
<paragraph pageId="0" pageNumber="11">Diagnosis.</paragraph>
<paragraph pageId="0" pageNumber="11">
Larger species which externally is characterised by a more elongate body, shiny non-microreticulate dorsal surface, testaceous markings on elytra, and with distinct habitus disruption between pronotum and elytron. Dorsoventrally slightly flattened. Without cervical line but rather a few punctures instead (Fig.
<figureCitation captionStart="Figures 811" captionStartId="F3" captionText="Figures 8 - 11. Habitus of 8 G. pictipes, male 9 G. pictipes, female 10 G. rottnestensis sp. nov., male 11 G. rottnestensis sp. nov., female. Scale bar: 1.0 mm." figureDoi="10.3897/zookeys.975.55456.figures8-11" httpUri="https://binary.pensoft.net/fig/462662" pageId="0" pageNumber="11">10</figureCitation>
).
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="11" type="description">
<paragraph pageId="0" pageNumber="11">Measurements.</paragraph>
<paragraph pageId="0" pageNumber="11">Holotype: TL = 1.85 mm, TL-H = 1.65 mm, MW = 0.95 mm. Paratypes: TL = 1.7-1.9 mm, TL-H = 1.5-1.7 mm, MW = 0.85-1.0 mm.</paragraph>
<paragraph pageId="0" pageNumber="11">
<emphasis bold="true" pageId="0" pageNumber="11">
<emphasis italics="true" pageId="0" pageNumber="11">Head</emphasis>
:
</emphasis>
Black to ferruginous, without cervical line but rather a few punctures instead (punctures not obvious in females) (Fig.
<figureCitation captionStart="Figure 13" captionStartId="F5" captionText="Figure 13. Head of G. pictipes A without cervical line (red arrows), and of G. rottnestensis sp. nov. B without cervical line but rather a few punctures instead (red arrows)." figureDoi="10.3897/zookeys.975.55456.figure13" httpUri="https://binary.pensoft.net/fig/462664" pageId="0" pageNumber="11">13B</figureCitation>
). Evenly and coarsely punctate, shiny but with weak microreticulation. Punctures weak anteriorly and stronger posteriorly between eyes. Antennae relatively short, stout. Antennomeres 1-3 ferruginous, 4-11 darkened anteriorly.
</paragraph>
<paragraph pageId="0" pageNumber="11">
<emphasis bold="true" pageId="0" pageNumber="11">
<emphasis italics="true" pageId="0" pageNumber="11">Pronotum</emphasis>
:
</emphasis>
Ferruginous, anterior and posterior margins darker. Broadest at middle. Punctation very strong, almost evenly distributed, shiny and microsculpture absent. Sides of pronotum broadly margined and almost evenly rounded. Angle between pronotum and elytra well pronounced, basal pronotal plicae present. Striae moderately defined, almost 1/2 length of pronotum, strongly incurved.
</paragraph>
<paragraph pageId="0" pageNumber="11">
<emphasis bold="true" pageId="0" pageNumber="11">
<emphasis italics="true" pageId="0" pageNumber="11">Elytra</emphasis>
:
</emphasis>
Dark brown to black, with distinct basal and subapical testaceous markings (Fig.
<figureCitation captionStart="Figures 811" captionStartId="F3" captionText="Figures 8 - 11. Habitus of 8 G. pictipes, male 9 G. pictipes, female 10 G. rottnestensis sp. nov., male 11 G. rottnestensis sp. nov., female. Scale bar: 1.0 mm." figureDoi="10.3897/zookeys.975.55456.figures8-11" httpUri="https://binary.pensoft.net/fig/462662" pageId="0" pageNumber="11">10</figureCitation>
). Coarsely and densely punctate, shiny, microsculpture absent. Striae weakly impressed, slightly incurved and of same length as basal pronotal striae.
</paragraph>
<paragraph pageId="0" pageNumber="11">
<emphasis bold="true" pageId="0" pageNumber="11">
<emphasis italics="true" pageId="0" pageNumber="11">Ventral side</emphasis>
:
</emphasis>
Ferruginous. Prothorax and apex of abdomen paler than other parts. Metacoxae and metaventrite covered with numerous larger punctures, surface shiny, without microreticulation. Abdominal ventrites with finer punctures, shiny, microreticulation absent. Metacoxal lines almost straight, anteriorly slightly divergent. Epipleuron ferruginous, coarsely punctate, shiny, lacking microsculpture. Legs ferruginous with meta-/mesotibia and meta-/mesotarsae somewhat darkened.
</paragraph>
<paragraph pageId="0" pageNumber="11">
<emphasis bold="true" pageId="0" pageNumber="11">
<emphasis italics="true" pageId="0" pageNumber="11">Male</emphasis>
.
</emphasis>
Dorsal surface with coarse punctures but otherwise with shiny surface (Fig.
<figureCitation captionStart="Figures 811" captionStartId="F3" captionText="Figures 8 - 11. Habitus of 8 G. pictipes, male 9 G. pictipes, female 10 G. rottnestensis sp. nov., male 11 G. rottnestensis sp. nov., female. Scale bar: 1.0 mm." figureDoi="10.3897/zookeys.975.55456.figures8-11" httpUri="https://binary.pensoft.net/fig/462662" pageId="0" pageNumber="11">10</figureCitation>
). Median lobe of aedeagus as in Fig.
<figureCitation captionStart="Figures 20, 21" captionStartId="F9" captionText="Figures 20, 21. 20 Gibbidessus pictipes 21 G. rottnestensis sp. nov. A median lobe in ventral view B median lobe in lateral view, left side C left paramere in lateral view, D right paramere in lateral view. Scale bar: 0.2 mm." figureDoi="10.3897/zookeys.975.55456.figures20-21" httpUri="https://binary.pensoft.net/fig/462668" pageId="0" pageNumber="11">21A, B</figureCitation>
. Shape of median lobe, bent evenly and fairly uniform in lateral view, in ventral view strongly tapering and rounded at apex. Parameres bi-segmented, elongated, without setae inside apical hook (Fig.
<figureCitation captionStart="Figures 20, 21" captionStartId="F9" captionText="Figures 20, 21. 20 Gibbidessus pictipes 21 G. rottnestensis sp. nov. A median lobe in ventral view B median lobe in lateral view, left side C left paramere in lateral view, D right paramere in lateral view. Scale bar: 0.2 mm." figureDoi="10.3897/zookeys.975.55456.figures20-21" httpUri="https://binary.pensoft.net/fig/462668" pageId="0" pageNumber="11">21C, D</figureCitation>
).
</paragraph>
<caption doi="10.3897/zookeys.975.55456.figures20-21" httpUri="https://binary.pensoft.net/fig/462668" pageId="0" pageNumber="11" start="Figures 20, 21" startId="F9">
<paragraph pageId="0" pageNumber="11">
<emphasis bold="true" pageId="0" pageNumber="11">Figures 20, 21.</emphasis>
<emphasis bold="true" pageId="0" pageNumber="11">20</emphasis>
<taxonomicName authorityName="Hendrich &amp; Watts &amp; Balke" authorityYear="2020" baseAuthorityName="Lea" baseAuthorityYear="1899" class="Insecta" family="Dytiscidae" genus="Gibbidessus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Gibbidessus pictipes" order="Coleoptera" pageId="0" pageNumber="11" phylum="Arthropoda" rank="species" species="pictipes">
<emphasis italics="true" pageId="0" pageNumber="11">Gibbidessus pictipes</emphasis>
</taxonomicName>
<emphasis bold="true" pageId="0" pageNumber="11">21</emphasis>
<taxonomicName lsidName="G. rottnestensis" pageId="0" pageNumber="11" rank="species" species="rottnestensis">
<emphasis italics="true" pageId="0" pageNumber="11">G. rottnestensis</emphasis>
</taxonomicName>
sp. nov.
<emphasis bold="true" pageId="0" pageNumber="11">A</emphasis>
median lobe in ventral view
<emphasis bold="true" pageId="0" pageNumber="11">B</emphasis>
median lobe in lateral view, left side
<emphasis bold="true" pageId="0" pageNumber="11">C</emphasis>
left paramere in lateral view,
<emphasis bold="true" pageId="0" pageNumber="11">D</emphasis>
right paramere in lateral view. Scale bar: 0.2 mm.
</paragraph>
</caption>
<paragraph pageId="0" pageNumber="11">
<emphasis bold="true" pageId="0" pageNumber="11">
<emphasis italics="true" pageId="0" pageNumber="11">Female</emphasis>
.
</emphasis>
Dorsal surface almost mat, with coarse punctures and dense microreticulation (Fig.
<figureCitation captionStart="Figures 811" captionStartId="F3" captionText="Figures 8 - 11. Habitus of 8 G. pictipes, male 9 G. pictipes, female 10 G. rottnestensis sp. nov., male 11 G. rottnestensis sp. nov., female. Scale bar: 1.0 mm." figureDoi="10.3897/zookeys.975.55456.figures8-11" httpUri="https://binary.pensoft.net/fig/462662" pageId="0" pageNumber="11">11</figureCitation>
).
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="11" type="affinities">
<paragraph pageId="0" pageNumber="11">Affinities.</paragraph>
<paragraph pageId="0" pageNumber="11">
This species is similar to the smaller
<taxonomicName lsidName="G. pictipes" pageId="0" pageNumber="11" rank="species" species="pictipes">
<emphasis italics="true" pageId="0" pageNumber="11">G. pictipes</emphasis>
</taxonomicName>
(TL = 1.45-1.6 mm) but readily separated by the different colour pattern on elytra. Furthermore, both species can be separated by the form of their median lobes and parameres (Figs
<figureCitation captionStart="Figures 20, 21" captionStartId="F9" captionText="Figures 20, 21. 20 Gibbidessus pictipes 21 G. rottnestensis sp. nov. A median lobe in ventral view B median lobe in lateral view, left side C left paramere in lateral view, D right paramere in lateral view. Scale bar: 0.2 mm." figureDoi="10.3897/zookeys.975.55456.figures20-21" httpUri="https://binary.pensoft.net/fig/462668" pageId="0" pageNumber="11">20</figureCitation>
,
<figureCitation captionStart="Figures 20, 21" captionStartId="F9" captionText="Figures 20, 21. 20 Gibbidessus pictipes 21 G. rottnestensis sp. nov. A median lobe in ventral view B median lobe in lateral view, left side C left paramere in lateral view, D right paramere in lateral view. Scale bar: 0.2 mm." figureDoi="10.3897/zookeys.975.55456.figures20-21" httpUri="https://binary.pensoft.net/fig/462668" pageId="0" pageNumber="11">21</figureCitation>
).
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="11" type="etymology">
<paragraph pageId="0" pageNumber="11">Etymology.</paragraph>
<paragraph pageId="0" pageNumber="11">The species is named after the type locality. The specific epithet is a substantive in the genitive case.</paragraph>
<caption doi="10.3897/zookeys.975.55456.figures22-23" httpUri="https://binary.pensoft.net/fig/462669" pageId="0" pageNumber="11" start="Figures 22, 23" startId="F10">
<paragraph pageId="0" pageNumber="11">
<emphasis bold="true" pageId="0" pageNumber="11">Figures 22, 23.</emphasis>
Distribution of
<emphasis bold="true" pageId="0" pageNumber="11">22</emphasis>
<taxonomicName authorityName="Watts" authorityYear="1978" class="Insecta" family="Dytiscidae" genus="Gibbidessus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Gibbidessus chipi" order="Coleoptera" pageId="0" pageNumber="11" phylum="Arthropoda" rank="species" species="chipi">
<emphasis italics="true" pageId="0" pageNumber="11">Gibbidessus chipi</emphasis>
</taxonomicName>
(black dots),
<taxonomicName lsidName="G. drikdrikensis" pageId="0" pageNumber="11" rank="species" species="drikdrikensis">
<emphasis italics="true" pageId="0" pageNumber="11">G. drikdrikensis</emphasis>
</taxonomicName>
sp. nov. (yellow square),
<taxonomicName lsidName="G. kangarooensis" pageId="0" pageNumber="11" rank="species" species="kangarooensis">
<emphasis italics="true" pageId="0" pageNumber="11">G. kangarooensis</emphasis>
</taxonomicName>
sp. nov. (red square)
<emphasis bold="true" pageId="0" pageNumber="11">23</emphasis>
<taxonomicName lsidName="G. atomus" pageId="0" pageNumber="11" rank="species" species="atomus">
<emphasis italics="true" pageId="0" pageNumber="11">G. atomus</emphasis>
</taxonomicName>
sp. nov. (red square),
<taxonomicName lsidName="G. davidi" pageId="0" pageNumber="11" rank="species" species="davidi">
<emphasis italics="true" pageId="0" pageNumber="11">G. davidi</emphasis>
</taxonomicName>
sp. nov. (yellow square).
</paragraph>
</caption>
</subSubSection>
<subSubSection pageId="0" pageNumber="11" type="distribution">
<paragraph pageId="0" pageNumber="11">Distribution.</paragraph>
<paragraph pageId="0" pageNumber="11">
South-western Australia. Widespread but always rare and in low population densities. A more coastal species, from around 100 km north of Perth to south of Augusta and eastwards to the Muir Lakes (Fig.
<figureCitation captionStart="Figures 24, 25" captionStartId="F11" captionText="Figures 24, 25. Distribution of 24 Gibbidessus pictipes (black dots) 25 G. pederzanii sp. nov. (red dot), G. rottnestensis sp. nov. (blue dots)." figureDoi="10.3897/zookeys.975.55456.figures24-25" httpUri="https://binary.pensoft.net/fig/462670" pageId="0" pageNumber="11">25</figureCitation>
).
</paragraph>
<caption doi="10.3897/zookeys.975.55456.figures24-25" httpUri="https://binary.pensoft.net/fig/462670" pageId="0" pageNumber="11" start="Figures 24, 25" startId="F11">
<paragraph pageId="0" pageNumber="11">
<emphasis bold="true" pageId="0" pageNumber="11">Figures 24, 25.</emphasis>
Distribution of
<emphasis bold="true" pageId="0" pageNumber="11">24</emphasis>
<taxonomicName authorityName="Hendrich &amp; Watts &amp; Balke" authorityYear="2020" baseAuthorityName="Lea" baseAuthorityYear="1899" class="Insecta" family="Dytiscidae" genus="Gibbidessus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Gibbidessus pictipes" order="Coleoptera" pageId="0" pageNumber="11" phylum="Arthropoda" rank="species" species="pictipes">
<emphasis italics="true" pageId="0" pageNumber="11">Gibbidessus pictipes</emphasis>
</taxonomicName>
(black dots)
<emphasis bold="true" pageId="0" pageNumber="11">25</emphasis>
<taxonomicName lsidName="G. pederzanii" pageId="0" pageNumber="11" rank="species" species="pederzanii">
<emphasis italics="true" pageId="0" pageNumber="11">G. pederzanii</emphasis>
</taxonomicName>
sp. nov. (red dot),
<taxonomicName lsidName="G. rottnestensis" pageId="0" pageNumber="11" rank="species" species="rottnestensis">
<emphasis italics="true" pageId="0" pageNumber="11">G. rottnestensis</emphasis>
</taxonomicName>
sp. nov. (blue dots).
</paragraph>
</caption>
</subSubSection>
<subSubSection pageId="0" pageNumber="11" type="habitat">
<paragraph pageId="0" pageNumber="11">Habitat.</paragraph>
<paragraph pageId="0" pageNumber="11">
Seasonal, very shallow and exposed sedge swamps, pool and puddles on sandy bottom, with a thin layer of peat and rotten debris of sedges (Figs
<figureCitation captionStart="Figure 28" captionStartId="F14" captionText="Figure 28. Habitat of Gibbidessus davidi sp. nov. and Gibbidessus rottnestensis sp. nov. A Shallow peaty pool with mats of floating grasses along Beeliar Swamps in Perth B same spot and habitat details with collecting methods." figureDoi="10.3897/zookeys.975.55456.figure28" httpUri="https://binary.pensoft.net/fig/462673" pageId="0" pageNumber="11">28</figureCitation>
,
<figureCitation captionStart="Figure 29" captionStartId="F15" captionText="Figure 29. Habitat of Gibbidessus rottnestensis sp. nov. A and B seasonally flooded wetlands at Wongonderrah Road, Nambung River Crossing, 38 Km ESE Cervantes." figureDoi="10.3897/zookeys.975.55456.figure29" httpUri="https://binary.pensoft.net/fig/462674" pageId="0" pageNumber="11">29</figureCitation>
).
<taxonomicName authorityName="Hendrich &amp; Watts &amp; Balke" authorityYear="2020" class="Insecta" family="Dytiscidae" genus="Gibbidessus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Gibbidessus rottnestensis" order="Coleoptera" pageId="0" pageNumber="11" phylum="Arthropoda" rank="species" species="rottnestensis">
<emphasis italics="true" pageId="0" pageNumber="11">Gibbidessus rottnestensis</emphasis>
</taxonomicName>
sp. nov. tolerates slightly saline water as it was found at Preston Beach in a shallow lagoon near the coast. According to the data it is an early spring breeder. Most specimens were collected in September and October. In the Riverdale Wetland the species was syntopic with
<taxonomicName authorityName="Hendrich &amp; Watts &amp; Balke" authorityYear="2020" class="Insecta" family="Dytiscidae" genus="Gibbidessus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Gibbidessus atomus" order="Coleoptera" pageId="0" pageNumber="11" phylum="Arthropoda" rank="species" species="atomus">
<emphasis italics="true" pageId="0" pageNumber="11">Gibbidessus atomus</emphasis>
</taxonomicName>
sp. nov. and
<taxonomicName lsidName="G. davidi" pageId="0" pageNumber="11" rank="species" species="davidi">
<emphasis italics="true" pageId="0" pageNumber="11">G. davidi</emphasis>
</taxonomicName>
sp. nov. For the rich water beetle coenosis in Beeliar Regional Park near Perth see under
<taxonomicName authorityName="Hendrich &amp; Watts &amp; Balke" authorityYear="2020" class="Insecta" family="Dytiscidae" genus="Gibbidessus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Gibbidessus davidi" order="Coleoptera" pageId="0" pageNumber="11" phylum="Arthropoda" rank="species" species="davidi">
<emphasis italics="true" pageId="0" pageNumber="11">Gibbidessus davidi</emphasis>
</taxonomicName>
sp. nov. In the seasonal swamps at Wongonderrah Road, near Nambung River Crossing, the species was collected with several hundred specimens of an undescribed
<taxonomicName authorityName="Broun" authorityYear="1886" class="Insecta" family="Dytiscidae" genus="Exocelina" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Exocelina" order="Coleoptera" pageId="0" pageNumber="11" phylum="Arthropoda" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="11">Exocelina</emphasis>
</taxonomicName>
species and
<taxonomicName authorityName="Sharp" authorityYear="1882" class="Insecta" family="Dytiscidae" genus="Hyderodes" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Hyderodes crassus" order="Coleoptera" pageId="0" pageNumber="11" phylum="Arthropoda" rank="species" species="crassus">
<emphasis italics="true" pageId="0" pageNumber="11">Hyderodes crassus</emphasis>
</taxonomicName>
Sharp, 1882; at Preston Beach north of Bunbury it was collected with
<taxonomicName baseAuthorityName="Montrouzier" baseAuthorityYear="1860" class="Insecta" family="Dytiscidae" genus="Hyphydrus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Hyphydrus elegans" order="Coleoptera" pageId="0" pageNumber="11" phylum="Arthropoda" rank="species" species="elegans">
<emphasis italics="true" pageId="0" pageNumber="11">Hyphydrus elegans</emphasis>
</taxonomicName>
(Montrouzier, 1860),
<taxonomicName baseAuthorityName="Babington" baseAuthorityYear="1841" class="Insecta" family="Dytiscidae" genus="Necterosoma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Necterosoma darwinii" order="Coleoptera" pageId="0" pageNumber="11" phylum="Arthropoda" rank="species" species="darwinii">
<emphasis italics="true" pageId="0" pageNumber="11">Necterosoma darwinii</emphasis>
</taxonomicName>
, and
<taxonomicName authorityName="Sharp" authorityYear="1882" class="Insecta" family="Dytiscidae" genus="Platynectes" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Platynectes aenescens" order="Coleoptera" pageId="0" pageNumber="11" phylum="Arthropoda" rank="species" species="aenescens">
<emphasis italics="true" pageId="0" pageNumber="11">Platynectes aenescens</emphasis>
</taxonomicName>
Sharp, 1882.
</paragraph>
<caption doi="10.3897/zookeys.975.55456.figure26" httpUri="https://binary.pensoft.net/fig/462671" pageId="0" pageNumber="11" start="Figure 26" startId="F12">
<paragraph pageId="0" pageNumber="11">
<emphasis bold="true" pageId="0" pageNumber="11">Figure 26.</emphasis>
Maximum likelihood tree for Australian
<taxonomicName authorityName="Watts" authorityYear="1978" class="Insecta" family="Dytiscidae" genus="Gibbidessus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Gibbidessus" order="Coleoptera" pageId="0" pageNumber="11" phylum="Arthropoda" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="11">Gibbidessus</emphasis>
</taxonomicName>
. Neighbour joining tree (p-distances) calculated with Geneious (11.0.4.) software.
</paragraph>
</caption>
<caption doi="10.3897/zookeys.975.55456.figure27" httpUri="https://binary.pensoft.net/fig/462672" pageId="0" pageNumber="11" start="Figure 27" startId="F13">
<paragraph pageId="0" pageNumber="11">
<emphasis bold="true" pageId="0" pageNumber="11">Figure 27.</emphasis>
Habitat of
<taxonomicName authorityName="Hendrich &amp; Watts &amp; Balke" authorityYear="2020" class="Insecta" family="Dytiscidae" genus="Gibbidessus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Gibbidessus atomus" order="Coleoptera" pageId="0" pageNumber="11" phylum="Arthropoda" rank="species" species="atomus">
<emphasis italics="true" pageId="0" pageNumber="11">Gibbidessus atomus</emphasis>
</taxonomicName>
sp. nov. and
<taxonomicName authorityName="Hendrich &amp; Watts &amp; Balke" authorityYear="2020" class="Insecta" family="Dytiscidae" genus="Gibbidessus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Gibbidessus davidi" order="Coleoptera" pageId="0" pageNumber="11" phylum="Arthropoda" rank="species" species="davidi">
<emphasis italics="true" pageId="0" pageNumber="11">Gibbidessus davidi</emphasis>
</taxonomicName>
sp. nov.
<emphasis bold="true" pageId="0" pageNumber="11">A</emphasis>
Seasonally flooded
<taxonomicName class="Agaricomycetes" family="Tricholomataceae" genus="Melaleuca" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Melaleuca" order="Agaricales" pageId="0" pageNumber="11" phylum="Basidiomycota" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="11">Melaleuca</emphasis>
</taxonomicName>
sedge swamp
<emphasis bold="true" pageId="0" pageNumber="11">B</emphasis>
small and shallow heathland pool along Windy Harbour Road, south of Northcliffe, south-western Australia.
</paragraph>
</caption>
<caption doi="10.3897/zookeys.975.55456.figure28" httpUri="https://binary.pensoft.net/fig/462673" pageId="0" pageNumber="11" start="Figure 28" startId="F14">
<paragraph pageId="0" pageNumber="11">
<emphasis bold="true" pageId="0" pageNumber="11">Figure 28.</emphasis>
Habitat of
<taxonomicName authorityName="Hendrich &amp; Watts &amp; Balke" authorityYear="2020" class="Insecta" family="Dytiscidae" genus="Gibbidessus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Gibbidessus davidi" order="Coleoptera" pageId="0" pageNumber="11" phylum="Arthropoda" rank="species" species="davidi">
<emphasis italics="true" pageId="0" pageNumber="11">Gibbidessus davidi</emphasis>
</taxonomicName>
sp. nov. and
<taxonomicName authorityName="Hendrich &amp; Watts &amp; Balke" authorityYear="2020" class="Insecta" family="Dytiscidae" genus="Gibbidessus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Gibbidessus rottnestensis" order="Coleoptera" pageId="0" pageNumber="11" phylum="Arthropoda" rank="species" species="rottnestensis">
<emphasis italics="true" pageId="0" pageNumber="11">Gibbidessus rottnestensis</emphasis>
</taxonomicName>
sp. nov.
<emphasis bold="true" pageId="0" pageNumber="11">A</emphasis>
Shallow peaty pool with mats of floating grasses along Beeliar Swamps in Perth
<emphasis bold="true" pageId="0" pageNumber="11">B</emphasis>
same spot and habitat details with collecting methods.
</paragraph>
</caption>
<caption doi="10.3897/zookeys.975.55456.figure29" httpUri="https://binary.pensoft.net/fig/462674" pageId="0" pageNumber="11" start="Figure 29" startId="F15">
<paragraph pageId="0" pageNumber="11">
<emphasis bold="true" pageId="0" pageNumber="11">Figure 29.</emphasis>
Habitat of
<taxonomicName authorityName="Hendrich &amp; Watts &amp; Balke" authorityYear="2020" class="Insecta" family="Dytiscidae" genus="Gibbidessus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Gibbidessus rottnestensis" order="Coleoptera" pageId="0" pageNumber="11" phylum="Arthropoda" rank="species" species="rottnestensis">
<emphasis italics="true" pageId="0" pageNumber="11">Gibbidessus rottnestensis</emphasis>
</taxonomicName>
sp. nov.
<emphasis bold="true" pageId="0" pageNumber="11">A</emphasis>
and
<emphasis bold="true" pageId="0" pageNumber="11">B</emphasis>
seasonally flooded wetlands at Wongonderrah Road, Nambung River Crossing, 38 Km ESE Cervantes.
</paragraph>
</caption>
<caption doi="10.3897/zookeys.975.55456.figure30" httpUri="https://binary.pensoft.net/fig/462675" pageId="0" pageNumber="11" start="Figure 30" startId="F16">
<paragraph pageId="0" pageNumber="11">
<emphasis bold="true" pageId="0" pageNumber="11">Figure 30.</emphasis>
Habitat of
<taxonomicName authorityName="Hendrich &amp; Watts &amp; Balke" authorityYear="2020" baseAuthorityName="Lea" baseAuthorityYear="1899" class="Insecta" family="Dytiscidae" genus="Gibbidessus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Gibbidessus pictipes" order="Coleoptera" pageId="0" pageNumber="11" phylum="Arthropoda" rank="species" species="pictipes">
<emphasis italics="true" pageId="0" pageNumber="11">Gibbidessus pictipes</emphasis>
</taxonomicName>
.
<emphasis bold="true" pageId="0" pageNumber="11">A, B</emphasis>
Seasonally flooded and exposed wetland with
<taxonomicName class="Liliopsida" family="Cyperaceae" genus="Baumea" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Baumea" order="Poales" pageId="0" pageNumber="11" phylum="Tracheophyta" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="11">Baumea</emphasis>
</taxonomicName>
and sedges 3 km ENE Manypeaks, Lake Pleasant Nature Reserve.
</paragraph>
</caption>
<caption doi="10.3897/zookeys.975.55456.figure31" httpUri="https://binary.pensoft.net/fig/462676" pageId="0" pageNumber="11" start="Figure 31" startId="F17">
<paragraph pageId="0" pageNumber="11">
<emphasis bold="true" pageId="0" pageNumber="11">Figure 31.</emphasis>
Habitat of
<taxonomicName authorityName="Hendrich &amp; Watts &amp; Balke" authorityYear="2020" baseAuthorityName="Lea" baseAuthorityYear="1899" class="Insecta" family="Dytiscidae" genus="Gibbidessus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Gibbidessus pictipes" order="Coleoptera" pageId="0" pageNumber="11" phylum="Arthropoda" rank="species" species="pictipes">
<emphasis italics="true" pageId="0" pageNumber="11">Gibbidessus pictipes</emphasis>
</taxonomicName>
.
<emphasis bold="true" pageId="0" pageNumber="11">A, B</emphasis>
Seasonally flooded sedge swamp around lake Nalyerin
<emphasis bold="true" pageId="0" pageNumber="11">C</emphasis>
deeper and more permanent part of the lake, with stands of
<taxonomicName class="Liliopsida" family="Cyperaceae" genus="Baumea" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Baumea" order="Poales" pageId="0" pageNumber="11" phylum="Tracheophyta" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="11">Baumea</emphasis>
</taxonomicName>
.
</paragraph>
</caption>
</subSubSection>
</treatment>
</document>