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<mods:title id="DA27AC499CC72D9DA4E11C582DB98DB3">Revision of Australian Matini diving beetles based on morphological and molecular data (Coleoptera, Dytiscidae, Matinae), with description of a new species</mods:title>
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<treatment id="FB9EFAA18F7311EE1B0FE6C366CCBE48" ID-GBIF-Taxon="152043429" LSID="urn:lsid:plazi:treatment:FB9EFAA18F7311EE1B0FE6C366CCBE48" httpUri="http://treatment.plazi.org/id/FB9EFAA18F7311EE1B0FE6C366CCBE48" lastPageId="20" lastPageNumber="60" pageId="13" pageNumber="54" scope_family="Dytiscidae" scope_order="Coleoptera" scope_subFamily="Matinae" scope_tribe="Matini">
<subSubSection id="8918EB576FF43A489D1B211AADB83BB0" pageId="13" pageNumber="54" type="nomenclature">
<paragraph id="2AC80BD6CF25F943731D20C8DE6CEFD9" pageId="13" pageNumber="54">
<taxonomicName id="8908426435C0BE6A5949EBB5C1C15B7C" ID-CoL="KZHT" LSID="http://species-id.net/wiki/Batrachomatus_wingii" authority="Clark, 1863" authorityName="Clark" authorityYear="1863" class="Insecta" family="Dytiscidae" genus="Batrachomatus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Batrachomatus wingii" order="Coleoptera" pageId="13" pageNumber="54" phylum="Arthropoda" rank="species" species="wingii">
<pageBreakToken id="2C1823FF89F6EE64B15794BBC397E753" pageId="13" pageNumber="54" start="start">Batrachomatus</pageBreakToken>
wingii Clark, 1863
</taxonomicName>
</paragraph>
</subSubSection>
<subSubSection id="2B98BDA2874E585B122EF7BAFEB38201" pageId="13" pageNumber="54" type="reference_group">
<paragraph id="067CFE27DD466E3DB55D0B9979185B4B" pageId="13" pageNumber="54">
<taxonomicName id="439B07FFFD9F616DD8234AF1EAAA0F51" class="Insecta" family="Dytiscidae" genus="Batrachomatus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Batrachomatus wingii" order="Coleoptera" pageId="13" pageNumber="54" phylum="Arthropoda" rank="species" species="wingii">Batrachomatus wingii</taxonomicName>
Clark, 1863: 15 (orig. descr.);
<bibRefCitation id="2B836120B25CF9F80F0119150317301A" author="Mouchamps, R" journalOrPublisher="Bulletin de la Societe Entomologique de France" pageId="21" pageNumber="62" pagination="136 - 141" title="Les Matini australiens (Col. Dytiscidae Colymbetinae)." volume="69" year="1964">Mouchamps 1964</bibRefCitation>
: 138 (descr.);
<bibRefCitation id="1CC68CE93D84C642A9F437C1B21A5E18" author="Watts, CHS" journalOrPublisher="Australian Journal of Zoology, Supplement Series" pageId="21" pageNumber="62" pagination="1 - 166" title="A revision of the Australian Dytiscidae (Coleoptera)." url="10.1071/AJZS057" volume="57" year="1978">Watts 1978</bibRefCitation>
: 120 (descr.);
<bibRefCitation id="A2B0673584D3A0982F6081F581002028" author="Watts, CHS" journalOrPublisher="Proceedings of the Academy of Natural Sciences of Philadelphia" pageId="21" pageNumber="62" pagination="22 - 28" title="A faunal assessment of Australian Hydradephaga." volume="137" year="1985">Watts 1985</bibRefCitation>
: 23 (cat.);
<bibRefCitation id="E1B2AE44BA52FCD6AF325C2C939FF221" pageId="13" pageNumber="54">Lawrence et al. 1987</bibRefCitation>
: 351 (cat.);
<bibRefCitation id="2E7A187AA6EC2B21633BD6E215C356F5" author="Larson, DJ" journalOrPublisher="Proceedings of the Royal Society of Queensland" pageId="21" pageNumber="62" pagination="47 - 63" title="Ecology of tropical Australian Hydradephaga (Insecta: Coleoptera). Part 1. Natural history and distribution of northern Queensland species." volume="103" year="1993">Larson 1993</bibRefCitation>
: 50 (cat.);
<bibRefCitation id="E4C592ECFBEFFCB551B4C06E1A0AFB6C" author="Nilsson, AN" journalOrPublisher="Apollo Books, Stenstrup" pageId="21" pageNumber="62" title="Dytiscidae (Coleoptera). World catalogue of insects, Volume 3." year="2001">Nilsson 2001</bibRefCitation>
: 261 (cat.);
<bibRefCitation id="D2E785CA508A77C6E70023302F383671" author="Watts, CHS" journalOrPublisher="Identification and Ecology Guide" pageId="21" pageNumber="62" pagination="1 - 110" title="Checklist and guides to the identification, to genus, of adults and larval Australian water beetles of the families Dytiscidae, Noteridae, Hygrobiidae, Haliplidae, Gyrinidae, Hydraenidae and the superfamily Hydrophiloidea (Insecta - Coleoptera). Cooperative Research Centre for Freshwater Ecology (Australia)." volume="43" year="2002">Watts 2002</bibRefCitation>
: 31, 46 (cat.).
</paragraph>
</subSubSection>
<subSubSection id="CEFC3B92B0378775BB9FED16310373EC" pageId="13" pageNumber="54" type="type locality">
<paragraph id="4ADAC823DF1ED4DEFB52BD701946573D" pageId="13" pageNumber="54">Type locality.</paragraph>
<paragraph id="FBB00C97B96936312275161ED6B9A23D" pageId="13" pageNumber="54">Northeast coast of Australia.</paragraph>
</subSubSection>
<subSubSection id="EA5AB4FE529060E506906D0E6E0E2DDF" pageId="13" pageNumber="54" type="holotype">
<paragraph id="81674CE3B993CBFF5F19DB0BEA8B815E" pageId="13" pageNumber="54">Holotype</paragraph>
<paragraph id="6DDAC7AA872DEF6D436664EAE316D4FF" pageId="13" pageNumber="54">
♂: &quot;N. Holl NE Aust 4412&quot; [handwritten label],
<normalizedToken id="9B37868D48CD0F0C290B4D09E91F6B54" originalValue="“Holotype”">&quot;Holotype&quot;</normalizedToken>
, &quot;Batrachomatus wingi&quot; [sic!], [blue handwritten label by Clark] (BMNH).
</paragraph>
</subSubSection>
<subSubSection id="679819C19AF84D7052DD1C0098B18D6E" lastPageId="15" lastPageNumber="56" pageId="13" pageNumber="54" type="additional materia">
<paragraph id="3689BFA5AC89F3217C5092F2F3717CA2" pageId="13" pageNumber="54">Additional materia</paragraph>
<paragraph id="89784FBA957B5D05998D63DBE2E47564" lastPageId="14" lastPageNumber="55" pageId="13" pageNumber="54">
l (71 specimens).Western Australia: 1 ex., &quot;Pilbara Region, De Grey River at Yarrie Station, 10.VII.1953, N.B.Tindale leg.&quot; (SAMA); 1 ex., &quot;East Kimberley, Mitchell Plateau, Surveyors Pool, 150m, 17.VI.1999, Hendrich leg.&quot; (CLH). Northern Territory: 18 exs., &quot;Kakadu N.P., Gungurul Lookout, 50 m,
<pageBreakToken id="739773F77971ECB85428C4BDE6ECFE5F" pageId="14" pageNumber="55" start="start">13.59.359</pageBreakToken>
S, 132.19.904E, 1.XI.1996, L. Hendrich leg. (Lok.11)&quot; (CLH); 3 exs., &quot;Finnis River, 10 km W Batchelor, 43m, 20.VIII.2006, 13.01.278S, 130.57.217E, L. &amp; E. Hendrich leg.&quot; (NT 2), provided with green printed labels &quot;DNA M.Balke 2773&quot;, &quot;DNA M.Balke 2774&quot;, &quot;DNA M.Balke 2775&quot; (ZSM, CLH); 4 exs., &quot;Kakadu NP, Gunlom Waterfall Area, 72m, 25.VIII.2006, 13.26.026S, 132.25.141E, L. &amp; E. Hendrich leg.&quot; (NT 17), one specimen with green printed label &quot;DNA M.Balke 1659&quot; (ZSM); 20 exs., &quot;Magela Creek upstream, Jabiru East, 38m, 29.VIII.2006, 12.40.458S,132.55.853E, L. &amp; E. Hendrich leg.&quot; (NT 21) (CLH, NMW, ZSM); 1 ex., &quot;Magela Creek downstream, Jabiru East, 31m, 30.VIII.2006, 12.38.312S, 132.53.441E, L. &amp; E. Hendrich leg. (NT 23)&quot;, &quot;DNA M.Balke 2772&quot; [green printed label] (ZSM); 1 ex., &quot;Daly River, H. Wesselmann&quot; (SAMA); 4 exs., &quot;Kakadu N.P., Jim Jim District, Jim Jim Falls Camping Area, Jim Jim Creek, 60 m, 13.16.218S, 132.49.276E, low-gradient stream, 26. &amp; 27.X.1996, Hendrich leg./loc. 2a&quot; (CLH);1 ex., &quot;Kakadu N.P., Mary River District, 3 km ESE Gunlom Camping Area, South Alligator River, 50m, 2.XI.1996, 13.27.276S, 132.26.268E, L. Hendrich leg.&quot; (loc. 14) (CLH); 1 ex., &quot;Fergusson River, 31 km SE by S of Pine Creek, 14.XI.1979, T.A.Weir leg.&quot; (ANIC). Queensland: 6 exs., &quot;Foleyvale Aboriginal Reserve, 130 km W Rockhampton, 20.-25.I.1968, G. Hangay leg.&quot; (HNHM, CLH); 4 exs., &quot;Boolburra, 95 km WSW Rockhampton, 12.I.1968, G. Hangay leg.&quot; (HNHM, CLH); 1 ex., &quot;N Queensland, Bridge Creek, 20.XI.1992, water sweep, A. Calder &amp; P. Zborowski leg.&quot; (ANIC); 1 ex., &quot;N Queensland, Kennedy River Xing, dry river bed, sandy base, temporary pool, 16.VI.1992, T.A. Weir leg.&quot; (ANIC). Without any detailed locality label: 4 exs.,
<normalizedToken id="B4A0D48ED6F77CE13422639B75DFF2A6" originalValue="“Australien”">&quot;Australien&quot;</normalizedToken>
, &quot;Sammlung Clemens
<normalizedToken id="41FDFA7015B9B94258F11C9268E2E99D" originalValue="Müller”">Mueller&quot;</normalizedToken>
, &quot;Sammlung Zimmermann&quot; (ZSM).
</paragraph>
<paragraph id="A5C4E86A310B5CAA08736751C60E31CA" pageId="15" pageNumber="56">
<pageBreakToken id="B87E5B8A9CD0DEF39BAE2123B63516A0" pageId="15" pageNumber="56" start="start">Literature</pageBreakToken>
records: Australia, Western Australia, Weaber Plain, Keep River east of Milligans,
<geoCoordinate id="91D94C0FA348672C3C8E38BD5DBB10FB" direction="south" orientation="latitude" precision="15" value="-15.619722">15°37'11&quot;S</geoCoordinate>
,
<geoCoordinate id="B70EC51D6516D40F5F1D14CAC3E2059A" direction="east" orientation="longitude" precision="15" value="129.03334">129°02'00&quot;E</geoCoordinate>
, May 2009, A.W. Storey leg. (
<bibRefCitation id="80534A89EB9D4796341676D74C06C2D5" pageId="15" pageNumber="56">WRM 2010</bibRefCitation>
); Australia, Northern Territory, Sandy Creek downstream of Keep River at Legune Road Crossing, 23.VII.-1.VIII.2004,
<geoCoordinate id="9565DF75D3920F04A5267FD2FA1C69D5" direction="south" orientation="latitude" precision="15" value="-15.381667">15°22'54&quot;S</geoCoordinate>
,
<geoCoordinate id="DA54D059293F2F80C3519D336745E000" direction="east" orientation="longitude" precision="15" value="129.19528">129°11'43&quot;E</geoCoordinate>
, A.W. Storey leg., site code SE 1, idem, Sandy Creek upstream of Keep River Road, 23.VII.-1.VIII.2004,
<geoCoordinate id="3AE643F5FC7BA7841E38D2FD5BC578A1" direction="south" orientation="latitude" precision="15" value="-15.408333">15°24'30&quot;S</geoCoordinate>
,
<geoCoordinate id="81C19B8B7FFAC5CACFA8B2F042E98201" direction="east" orientation="longitude" precision="15" value="129.1925">129°11'33&quot;E</geoCoordinate>
, A.W. Storey leg., site code SR 2 (
<bibRefCitation id="D913F630A8AF5199D1D912FAE0F24FC8" author="NTCWR," journalOrPublisher="Unpublished report by National Centre for Tropical Wetland Research (NCTWR) in Darwin to Departement of Industry and Resources in Perth, Western Australia" pageId="21" pageNumber="62" title="Aquatic Fauna Survey of the Ord Stage II M 2 Area: Final report." year="2005">NCTWR 2005</bibRefCitation>
).
</paragraph>
</subSubSection>
<subSubSection id="99BA44BA5BFF530C58BF3AE842624A6C" lastPageId="16" lastPageNumber="57" pageId="15" pageNumber="56" type="description">
<paragraph id="19A18C82051A84E1EB1A511626C70624" pageId="15" pageNumber="56">Description.</paragraph>
<paragraph id="FAFC589CD8EA5F3FA673F763931ABBEA" pageId="15" pageNumber="56">Measurements. TL = 6.9-7.8 mm, TL-H = 6.2-7.2 mm; MW = 3.2-3.7 mm.</paragraph>
<paragraph id="D9DAECC4DD5A3ADC2209645CC1FD749E" pageId="15" pageNumber="56">Colour. Black, anterior part of head reddish brown, pronotum with broad yellow lateral margins, elytron with a narrow yellow band of which apical 1/3 close to side and basal 2/3 some distance from side (Fig. 7). Underside and parts of head reddish brown,appendages reddish brown.</paragraph>
<paragraph id="801F72FCBEC1498D6801B9A09805AD08" pageId="15" pageNumber="56">Structure and sculpture. Body outline elongate oval, flattened, pointed apically. Dorsal surface shiny, head, pronotum and elytral surface densely and evenly covered with small punctures, reticulation absent. Serial punctures on elytron sparse, weakly impressed, indistinct. Sides of pronotum moderately curved and convergent anteriorly. Ventral surface very densely and minutely punctured. Prosternal process flat, broad, parallel-sided, weakly and narrowly grooved in midline, and weakly margined at side, tip bluntly pointed, apex pointed. Metacoxal lines well separated, subparallel, reaching almost to hind margin of metaventrite.</paragraph>
<paragraph id="513709FE244F28FFE8D2019F017D4270" pageId="16" pageNumber="57">
<pageBreakToken id="427A917E285FBC6E5DE551A57E92F4CB" pageId="16" pageNumber="57" start="start">Male</pageBreakToken>
. Pro- and mesotarsi stouter than in female, furnished beneath with dense, short, stout setae arranged in groups, many of the setae ending in minute suction cups. Aedeagus: median lobe (Fig. 12 a, b); paramere (Fig. 12 c).
</paragraph>
</subSubSection>
<subSubSection id="F5425145D9CB3A83D065CD3F63030B7A" pageId="16" pageNumber="57" type="affinities">
<paragraph id="C7BAD81EEB279C38394887F18E36E99F" pageId="16" pageNumber="57">Affinities.</paragraph>
<paragraph id="F15BAF94F4FAD9DB6F878240A0C99F02" pageId="16" pageNumber="57">
A very characteristic species and one of the most beautiful dytiscids in Australia (Fig. 7).
<taxonomicName id="0026C18AEFE9A31B598C3F15F498C28F" class="Insecta" family="Dytiscidae" genus="Batrachomatus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Batrachomatus wingii" order="Coleoptera" pageId="16" pageNumber="57" phylum="Arthropoda" rank="species" species="wingii">Batrachomatus wingii</taxonomicName>
differs from all other species of the genus in the narrower and more flattened shape of body, the dorsal yellowish longitudinal stripes on the elytra, the subparallel metacoxal lines and the shape of the median lobe.
</paragraph>
</subSubSection>
<subSubSection id="4B858CA5CBCE7F3296D7AE67DC2F2367" pageId="16" pageNumber="57" type="distribution">
<paragraph id="31EC848248D0821A16D26A4EEEBC1D7F" pageId="16" pageNumber="57">Distribution.</paragraph>
<paragraph id="362B3ACF776503E051DB835165689EDF" pageId="16" pageNumber="57">Tropical northern Australia. Occurring from the northern Pilbara and the Kimberley region in the northwest, the Daly River, Darwin area and Kakadu National Park in the north, to the Atherton Tableland in northern Queensland, and along the east coast south to Rockhampton (Fig. 14).</paragraph>
</subSubSection>
<subSubSection id="516C2E2A844C07021985591ECF2E2A67" lastPageId="20" lastPageNumber="61" pageId="16" pageNumber="57" type="habitat">
<paragraph id="0EF15BDDB5793AE935083C8CA0206532" pageId="16" pageNumber="57">Habitat.</paragraph>
<paragraph id="467FF169BCF9C76B3EE8D7EB6127FB8A" pageId="16" pageNumber="57">
<taxonomicName id="8A7ABAE8C6C44E7378CF9AB6852AEA70" class="Insecta" family="Dytiscidae" genus="Batrachomatus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Batrachomatus wingii" order="Coleoptera" pageId="16" pageNumber="57" phylum="Arthropoda" rank="species" species="wingii">Batrachomatus wingii</taxonomicName>
occurs in seasonal and permanent lowland streams, creeks and slow flowing smaller rivers at an altitude from about 20 to almost 150 m, at least partly shaded by eucalypt woodland or monsoonal forest. Most specimens were found in low-gradient stream sections where the substratum was entirely coarse sand and smaller pebbles yet the current was strong enough to clear the bottom of silt and leaves (Figs 24, 25, 27). In this habitat the beetles were found in areas of medium, laminar flow, generally in deeper water (50 cm depth and more), along the outside curve of stream bend, among floating gum roots, under larger logs and stones. In the Northern Territory, at the end of the dry season, a larger series of the species was collected in the deepest, coldest and most oxygen rich part (50-80 cm depths) of a rest pool (10 m²), situated in a broad and almost dry and sandy creek bed. The pool was without any vegetation but rich in rotten leaves and partly shaded (Fig. 26). As mentioned by
<bibRefCitation id="9EC12B41E68AD0AB8A9BA58F28BC7AB6" author="Larson, DJ" journalOrPublisher="Proceedings of the Royal Society of Queensland" pageId="21" pageNumber="62" pagination="47 - 63" title="Ecology of tropical Australian Hydradephaga (Insecta: Coleoptera). Part 1. Natural history and distribution of northern Queensland species." volume="103" year="1993">Larson (1993)</bibRefCitation>
, who collected the species in northern Queensland at three different sites, the sub-surface seepage and local water temperatures could also be factors responsible for the local aggregation of beetles. In the Northern Territory larvae have been collected after the rainy season in February by Watts (
<bibRefCitation id="8D301B32CA6E624561A2F39341287AAF" author="Alarie, Y" pageId="20" pageNumber="61" title="Larval morphology of the tribe Matini (Coleoptera: Dytiscidae, Colymbetinae): descriptions of Batrachomatus daemeli, Matus bicarinatus, and Allomatus nannup and phylogenetic relationships. The Canadian Entomologist 133: 165 - 196." url="10.4039/Ent133165-2" year="2001">Alarie et al. 2001</bibRefCitation>
).
</paragraph>
<subSection id="2CDF9C2AD7B7DCD4A527BDFD00058377" lastPageId="19" lastPageNumber="60" pageId="16" pageNumber="57" type="habitats and faunistics">
<paragraph id="31137BFE1675FB3B75035728703356C4" pageId="16" pageNumber="57">Habitats and faunistics</paragraph>
<paragraph id="14DF566C911F8CAC6787F9D5914BA256" pageId="16" pageNumber="57">
All Australian
<taxonomicName id="787F516F0D19ABC3FB8C49D5768AB5F9" class="Insecta" family="Dytiscidae" genus="Batrachomatus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Batrachomatus" order="Coleoptera" pageId="16" pageNumber="57" phylum="Arthropoda" rank="genus">Batrachomatus</taxonomicName>
species are strongly lotic and restricted to streams, creeks and rivers with sand, pebble and cobble beds, often situated in woodland or closed-canopy forest sites (Figs 16-27). It is probable that at least the larvae are sensitive to low levels of dissolved oxygen and require cooler temperatures. If this is so the occurrence of any
<taxonomicName id="C566E176413B26A9F3B782FD2E2BF912" class="Insecta" family="Dytiscidae" genus="Batrachomatus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Batrachomatus" order="Coleoptera" pageId="16" pageNumber="57" phylum="Arthropoda" rank="genus">Batrachomatus</taxonomicName>
species can be considered a good indicator of a running
<normalizedToken id="734F7E8A4CE98CC4797EF5F423BFABCF" originalValue="water´s">water's</normalizedToken>
health, habitat and water quality.
</paragraph>
<paragraph id="2DF9325CEF4485584FF8937076372CCE" lastPageId="18" lastPageNumber="59" pageId="16" pageNumber="57">
The currently known altitudinal distribution and ecology of
<taxonomicName id="5E08123F85425AE8DA359E3F83C8C7D8" class="Insecta" family="Dytiscidae" genus="Batrachomatus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Batrachomatus" order="Coleoptera" pageId="16" pageNumber="57" phylum="Arthropoda" rank="genus">Batrachomatus</taxonomicName>
species is shown in Table 1. Most species occur in lowland regions from almost sea level to 500 m. Only
<taxonomicName id="70F57B2C2BF3CEFA7B2EA35C61BEF8AD" class="Insecta" family="Dytiscidae" genus="Batrachomatus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Batrachomatus daemeli" order="Coleoptera" pageId="16" pageNumber="57" phylum="Arthropoda" rank="species" species="daemeli">Batrachomatus daemeli</taxonomicName>
has been collected in the Atherton Tableland and the Great Dividing Range up to at least 950 m. In Queensland
<taxonomicName id="028F189867148C2BCC9249E1ABEF1B7D" class="Insecta" family="Dytiscidae" genus="Batrachomatus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Batrachomatus daemeli" order="Coleoptera" pageId="16" pageNumber="57" phylum="Arthropoda" rank="species" species="daemeli">Batrachomatus daemeli</taxonomicName>
,
<taxonomicName id="6FA465B3ACA580A99D4B09A8ABC2B0A7" class="Insecta" family="Dytiscidae" genus="Batrachomatus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Batrachomatus wingii" order="Coleoptera" pageId="16" pageNumber="57" phylum="Arthropoda" rank="species" species="wingii">Batrachomatus wingii</taxonomicName>
and
<taxonomicName id="9B46418B98251DD05CFB313E1B4420BE" class="Insecta" family="Dytiscidae" genus="Batrachomatus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Batrachomatus larsoni" order="Coleoptera" pageId="16" pageNumber="57" phylum="Arthropoda" rank="species" species="larsoni">Batrachomatus larsoni</taxonomicName>
sp. n.are sympatric. In eastern Victoria
<taxonomicName id="CDBE16089EBF03E0A3AE852413B1DB2E" class="Insecta" family="Dytiscidae" genus="Batrachomatus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Batrachomatus daemeli" order="Coleoptera" pageId="16" pageNumber="57" phylum="Arthropoda" rank="species" species="daemeli">Batrachomatus daemeli</taxonomicName>
and
<taxonomicName id="8240EEB4696846CA4AC17563EC6B9C70" class="Insecta" family="Dytiscidae" genus="Batrachomatus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Batrachomatus wilsoni" order="Coleoptera" pageId="16" pageNumber="57" phylum="Arthropoda" rank="species" species="wilsoni">Batrachomatus wilsoni</taxonomicName>
are known from the same area and in three rivers they are also syntopic.
<taxonomicName id="38471C6039FAB90BCBFC267D0F6FE8CE" class="Insecta" family="Dytiscidae" genus="Batrachomatus" higherTaxonomySource="CoL" kingdom="Animalia" lastPageId="17" lastPageNumber="58" lsidName="Batrachomatus daemeli" order="Coleoptera" pageId="16" pageNumber="57" phylum="Arthropoda" rank="species" species="daemeli">
Batrachomatus
<pageBreakToken id="9DA942980037E99FDBE3CAA5083308C3" pageId="17" pageNumber="58" start="start">daemeli</pageBreakToken>
</taxonomicName>
is widespread along the east coast and south-eastern Australia, including the northeast of Tasmania, and
<taxonomicName id="A65FEBEA03CBC20774320857520013E7" class="Insecta" family="Dytiscidae" genus="Batrachomatus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Batrachomatus wingii" order="Coleoptera" pageId="17" pageNumber="58" phylum="Arthropoda" rank="species" species="wingii">Batrachomatus wingii</taxonomicName>
occurs all over the tropical north of Australia. Two species,
<taxonomicName id="67060205483CF160C39A6B3EAABDD776" class="Insecta" family="Dytiscidae" genus="Batrachomatus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Batrachomatus nannup" order="Coleoptera" pageId="17" pageNumber="58" phylum="Arthropoda" rank="species" species="nannup">Batrachomatus nannup</taxonomicName>
in the south west and
<taxonomicName id="C709C6A80FCE9197B7A81C6AEF2FA567" class="Insecta" family="Dytiscidae" genus="Batrachomatus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Batrachomatus larsoni" order="Coleoptera" pageId="17" pageNumber="58" phylum="Arthropoda" rank="species" species="larsoni">Batrachomatus larsoni</taxonomicName>
sp. n. in NE Queensland, have a very restricted distribution and are only known from one stream or river system (Blackwood River, Windsor Tableland). The rarity and limited distribution
<pageBreakToken id="5F892A67225FB3A215E35EE6C5AB5915" pageId="18" pageNumber="59" start="start">of</pageBreakToken>
the south-eastern
<taxonomicName id="1BF49E46BD31BFE059208D959C3D1E85" class="Insecta" family="Dytiscidae" genus="Batrachomatus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Batrachomatus wilsoni" order="Coleoptera" pageId="18" pageNumber="59" phylum="Arthropoda" rank="species" species="wilsoni">Batrachomatus wilsoni</taxonomicName>
might be the result of human impacts (irrigation, increasing of salinity, clearing of riverine forests) on almost all river systems in Victoria in the last five decades. All species seem to be capable of flight but none was ever obtained by operating light traps. The larvae of
<taxonomicName id="7154BD2350ADD779C806976DBF45C931" class="Insecta" family="Dytiscidae" genus="Batrachomatus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Batrachomatus daemeli" order="Coleoptera" pageId="18" pageNumber="59" phylum="Arthropoda" rank="species" species="daemeli">Batrachomatus daemeli</taxonomicName>
and
<taxonomicName id="414969F9711AA3E379CC36FE8D86C779" class="Insecta" family="Dytiscidae" genus="Batrachomatus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Batrachomatus nannup" order="Coleoptera" pageId="18" pageNumber="59" phylum="Arthropoda" rank="species" species="nannup">Batrachomatus nannup</taxonomicName>
were recently described by
<bibRefCitation id="BDC63FF39F4341713E2362550EA7FF99" author="Alarie, Y" pageId="20" pageNumber="61" title="Larval morphology of the tribe Matini (Coleoptera: Dytiscidae, Colymbetinae): descriptions of Batrachomatus daemeli, Matus bicarinatus, and Allomatus nannup and phylogenetic relationships. The Canadian Entomologist 133: 165 - 196." url="10.4039/Ent133165-2" year="2001">Alarie et al. (2001)</bibRefCitation>
. The larvae of
<taxonomicName id="E2707155CE1631F89D5BB02B712D233B" class="Insecta" family="Dytiscidae" genus="Batrachomatus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Batrachomatus wilsoni" order="Coleoptera" pageId="18" pageNumber="59" phylum="Arthropoda" rank="species" species="wilsoni">Batrachomatus wilsoni</taxonomicName>
,
<taxonomicName id="58C4723DCA36848A65BAAF6D34E74698" class="Insecta" family="Dytiscidae" genus="Batrachomatus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Batrachomatus larsoni" order="Coleoptera" pageId="18" pageNumber="59" phylum="Arthropoda" rank="species" species="larsoni">Batrachomatus larsoni</taxonomicName>
sp. n. and
<taxonomicName id="DBDE0C2BE8809F447B036E1906C8C834" class="Insecta" family="Dytiscidae" genus="Batrachomatus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Batrachomatus wingii" order="Coleoptera" pageId="18" pageNumber="59" phylum="Arthropoda" rank="species" species="wingii">Batrachomatus wingii</taxonomicName>
remain unknown.
</paragraph>
<paragraph id="7105B76FA0815830DD37AC699343D629" pageId="19" pageNumber="60">
<pageBreakToken id="09DD575DF7EB4A391B887959D4081E02" pageId="19" pageNumber="60" start="start">When</pageBreakToken>
in a net and out of the water specimensof
<taxonomicName id="6559B65BE3EC9336A87B357D9E497436" class="Insecta" family="Dytiscidae" genus="Batrachomatus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Batrachomatus" order="Coleoptera" pageId="19" pageNumber="60" phylum="Arthropoda" rank="genus">Batrachomatus</taxonomicName>
move very rapidly and are easily to recognise and to collect. In contrast,
<bibRefCitation id="44565EBF058D680AC449392B7662802B" pageId="19" pageNumber="60">Larson et al. (2000)</bibRefCitation>
noted that the related Nearctic
<taxonomicName id="46F5AD8A65F62BD2F2669AF8EE01B9D2" class="Insecta" family="Dytiscidae" genus="Matus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Matus" order="Coleoptera" pageId="19" pageNumber="60" phylum="Arthropoda" rank="genus">Matus</taxonomicName>
are all lentic and occur along the margins of rather eutrophic ponds, often amongst
<taxonomicName id="079D3BEB17AAF72B2F49D39211BA45D9" class="Liliopsida" family="Typhaceae" genus="Typha" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Typha" order="Poales" pageId="19" pageNumber="60" phylum="Tracheophyta" rank="genus">Typha</taxonomicName>
or decaying deciduous leaves. They are often slow to move and with their brownish colour are easily overlooked and consequently are not well collected. Despite the fact that all Australian species are capable of flight, none was obtained by operating light traps.
</paragraph>
<caption id="4A36AA2059FC76C59038A2755C0F2E96" pageId="19" pageNumber="60">
<paragraph id="48BCFC9FE1BFBC915B5F3BDDAB167D6E" pageId="19" pageNumber="60">Table 1. Habitat information and altitudinal distribution of Matiniin Australia.&lt;br/&gt;</paragraph>
</caption>
<paragraph id="9B8A62AA12F50E5754E3757BD904E218" pageId="19" pageNumber="60">
<table id="FFA78F16C31CE334E6803DB6C621B402" pageId="19" pageNumber="60">
<tr id="C83AF8E0B6EF77801C4B9A4C4120C092" pageId="19" pageNumber="60">
<th id="1240B62EBB915F0B5512104BA3537836" colspan="1" pageId="19" pageNumber="60" rowspan="1">Species</th>
<th id="42551621D146F73341ED360E3E2BFDD7" colspan="1" pageId="19" pageNumber="60" rowspan="1">Altitude</th>
<th id="8F5CE1B0B1D7B9CA9DC5AFE3E61A6E58" colspan="1" pageId="19" pageNumber="60" rowspan="1">Habitat</th>
</tr>
<tr id="EF621B60CA631C00138C7BA57417DF36" pageId="19" pageNumber="60">
<td id="0735591C3B917C15209C28C0FE0F14B3" colspan="1" pageId="19" pageNumber="60" rowspan="1">
<taxonomicName id="71277442130D663A55802C1E79E596E4" class="Insecta" family="Dytiscidae" genus="Batrachomatus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Batrachomatus daemeli" order="Coleoptera" pageId="19" pageNumber="60" phylum="Arthropoda" rank="species" species="daemeli">Batrachomatus daemeli</taxonomicName>
</td>
</tr>
<tr id="6A5EB1739F87BBFDE7B6376AD0CA9B5B" pageId="19" pageNumber="60">
<td id="136A7D4AD0EE6104D3B92B9797389F07" colspan="1" pageId="19" pageNumber="60" rowspan="1">
<taxonomicName id="68F84FCCE9E0F2B9FD6B8B9A67AE17CD" class="Insecta" family="Dytiscidae" genus="Batrachomatus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Batrachomatus larsoni" order="Coleoptera" pageId="19" pageNumber="60" phylum="Arthropoda" rank="species" species="larsoni">Batrachomatus larsoni</taxonomicName>
</td>
</tr>
<tr id="09338DAF94F807107FB2537AABE5FBB1" pageId="19" pageNumber="60">
<td id="5ADD846F4324DF5A604CF0B2597BAA96" colspan="1" pageId="19" pageNumber="60" rowspan="1">
<taxonomicName id="EB1CDE3EF7E2BC301CD458E867080797" class="Insecta" family="Dytiscidae" genus="Batrachomatus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Batrachomatus nannup" order="Coleoptera" pageId="19" pageNumber="60" phylum="Arthropoda" rank="species" species="nannup">Batrachomatus nannup</taxonomicName>
</td>
</tr>
<tr id="16FA2AC7E8763F70C5FC7BF9FEB2CEE5" pageId="19" pageNumber="60">
<td id="559A59BC9314894F9DFD8E55B32F754E" colspan="1" pageId="19" pageNumber="60" rowspan="1">
<taxonomicName id="B81F444432FDFD7E6F39E8B53C3B1E43" class="Insecta" family="Dytiscidae" genus="Batrachomatus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Batrachomatus wilsoni" order="Coleoptera" pageId="19" pageNumber="60" phylum="Arthropoda" rank="species" species="wilsoni">Batrachomatus wilsoni</taxonomicName>
</td>
</tr>
<tr id="744BA237B691DD67100E7A207F857585" pageId="19" pageNumber="60">
<td id="8ECA082E9C502478C8E60946EB0D7953" colspan="1" pageId="19" pageNumber="60" rowspan="1">
<taxonomicName id="FA3CCB675BDC53849171C22F65FA823E" class="Insecta" family="Dytiscidae" genus="Batrachomatus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Batrachomatus wingii" order="Coleoptera" pageId="19" pageNumber="60" phylum="Arthropoda" rank="species" species="wingii">Batrachomatus wingii</taxonomicName>
</td>
</tr>
</table>
</paragraph>
</subSection>
<subSection id="BFEAE8813FDE183C5A18CD3E5CDC1584" lastPageId="20" lastPageNumber="61" pageId="19" pageNumber="60" type="key to batrochomatus">
<paragraph id="07344A06D5EAFDB6D6A6EC87AE6F4F08" pageId="19" pageNumber="60">
Key to
<taxonomicName id="10B00BCB5957930C7F1E5C7C7DC2EFD4" genus="Batrochomatus" lsidName="Batrochomatus" pageId="19" pageNumber="60" rank="genus">Batrochomatus</taxonomicName>
</paragraph>
<paragraph id="7A009828BE05B50EBBCC74E82EE05E39" lastPageId="20" lastPageNumber="61" pageId="19" pageNumber="60">
<table id="5F57BBFF401AE8077188C74712E52481" lastPageId="20" lastPageNumber="61" pageId="19" pageNumber="60">
<tr id="48EC4A535F9D0AA51D37CB679628ABCA" pageId="19" pageNumber="60">
<td id="B016732FD5BD955660BD3004421F596F" colspan="1" pageId="19" pageNumber="60" rowspan="1">
<taxonomicName id="7C1BE81DACD4DB2E42642E3E2ECEFBA6" class="Insecta" family="Dytiscidae" genus="Batrachomatus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Batrachomatus larsoni" order="Coleoptera" pageId="19" pageNumber="60" phylum="Arthropoda" rank="species" species="larsoni">Batrachomatus larsoni</taxonomicName>
</td>
</tr>
<tr id="C6A8BC3141E1693672BA8F4A3EE1990F" pageId="19" pageNumber="60">
<td id="38F4F4A418A0383864A72BE447290E7E" colspan="1" pageId="19" pageNumber="60" rowspan="1">Fig. 11 a, b</td>
<td id="893388A519F16312472123E612D96FC1" colspan="1" pageId="19" pageNumber="60" rowspan="1">
<taxonomicName id="7DBE40057F36551D07077B403F424EE8" class="Insecta" family="Dytiscidae" genus="Batrachomatus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Batrachomatus wilsoni" order="Coleoptera" pageId="19" pageNumber="60" phylum="Arthropoda" rank="species" species="wilsoni">Batrachomatus wilsoni</taxonomicName>
</td>
</tr>
<tr id="4AEFCDB18FA59DA5CE41193EB3FCB729" pageId="19" pageNumber="60">
<td id="60B6C304948BD577B5006721BC84E85D" colspan="1" pageId="19" pageNumber="60" rowspan="1">Fig. 10 a, b</td>
<td id="FCD538EFA98743879A450B1108522009" colspan="1" pageId="19" pageNumber="60" rowspan="1">
<taxonomicName id="16E24BEC4DBA2D9D588D7C5C1662FCFC" class="Insecta" family="Dytiscidae" genus="Batrachomatus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Batrachomatus nannup" order="Coleoptera" pageId="19" pageNumber="60" phylum="Arthropoda" rank="species" species="nannup">Batrachomatus nannup</taxonomicName>
</td>
</tr>
<tr id="7AE9C7CEDAE10227CBBC6E0ED1284A84" pageId="20" pageNumber="61">
<td id="27D6A0634772C8145D344CDF60084039" colspan="1" pageId="20" pageNumber="61" rowspan="1">
<pageBreakToken id="468113E7D8A181C60B254D6D73328354" pageId="20" pageNumber="61" start="start">Fig</pageBreakToken>
. 8 a, b
</td>
<td id="4E7F944DA95F7015200FC7D28EFF76A0" colspan="1" pageId="20" pageNumber="61" rowspan="1">
<taxonomicName id="2D95D45A2B4B626E0F77DD891BB8A602" class="Insecta" family="Dytiscidae" genus="Batrachomatus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Batrachomatus daemeli" order="Coleoptera" pageId="20" pageNumber="61" phylum="Arthropoda" rank="species" species="daemeli">Batrachomatus daemeli</taxonomicName>
</td>
</tr>
<tr id="86F0959B069580FC2CD5A6AD3EDA5A8A" pageId="20" pageNumber="61">
<td id="5F031424FDDC3DEE31AD637FC2C3A424" colspan="1" pageId="20" pageNumber="61" rowspan="1">Fig. 12 a, b</td>
<td id="C9262D2EBAF65AC9C7E66F5391DF65D7" colspan="1" pageId="20" pageNumber="61" rowspan="1">
<taxonomicName id="6BDC9D7FA9B72ED68D4DF1C08A413196" class="Insecta" family="Dytiscidae" genus="Batrachomatus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Batrachomatus wingii" order="Coleoptera" pageId="20" pageNumber="61" phylum="Arthropoda" rank="species" species="wingii">Batrachomatus wingii</taxonomicName>
</td>
</tr>
</table>
</paragraph>
</subSection>
</subSubSection>
</treatment>
</document>