<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>1870-3453</journal-id>
<journal-title><![CDATA[Revista mexicana de biodiversidad]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. Mex. Biodiv.]]></abbrev-journal-title>
<issn>1870-3453</issn>
<publisher>
<publisher-name><![CDATA[Instituto de Biología]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1870-34532020000100634</article-id>
<article-id pub-id-type="doi">10.22201/ib.20078706e.2020.91.3394</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[The genus Platynectes (Coleoptera: Dytiscidae: Agabinae) in Central America, with the discovery of the northernmost Neotropical species in Oaxaca, Mexico, and nomenclatural notes on the subgenus Agametrus]]></article-title>
<article-title xml:lang="es"><![CDATA[El género Platynectes (Coleoptera: Dytiscidae: Agabinae) en Centroamérica, con el descubrimiento de la especie más septentrional en Oaxaca, México, y notas nomenclaturales sobre el subgénero Agametrus]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[&#352;&#357;astný]]></surname>
<given-names><![CDATA[Jaroslav]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Vondrá&#269;ek]]></surname>
<given-names><![CDATA[Dominik]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Arriaga-Varela]]></surname>
<given-names><![CDATA[Emmanuel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Hájek]]></surname>
<given-names><![CDATA[Ji&#345;í]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Independent scholar  ]]></institution>
<addr-line><![CDATA[Liberec ]]></addr-line>
<country>Czech Republic (the)</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,National Museum Department of Entomology ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Czech Republic (the)</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Charles University Faculty of Science Department of Zoology]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Czech Republic (the)</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Universidad de Guadalajara Centro Universitario de Ciencias Biológicas y Agropecuarias Centro de Estudios en Zoología]]></institution>
<addr-line><![CDATA[Zapopan Jalisco]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2020</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2020</year>
</pub-date>
<volume>91</volume>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1870-34532020000100634&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1870-34532020000100634&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1870-34532020000100634&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Platynectes (Agametrus) zoque sp. nov. is described from the state of Oaxaca, Mexico. It is externally similar to the only Central American Platynectes, P. nitens (Sharp) from Panama and Costa Rica, but can be recognized by the shape of the male genitalia. The genetic distance between both species is 6.8% in the cox1 gene fragment. The finding of Platynectes in Mexico extends the known distribution of the genus in the Americas by about 1,300 km to the northwest. Thirteen species of the subgenus Agametrus Sharp are currently known, occurring in the Cordilleras from Chile to Mexico. A list of all species is provided including 10 new combinations resulting from the phylogenetic analysis of Toussaint et al. (2017): Platynectes (Agametrus) boliviensis (Régimbart, 1899), P. (A.) humilis (Sharp, 1882), P. (A.) labratus (Sharp, 1882), P. (A.) nitens (Sharp, 1887), P. (A.) peruvianus (Laporte, 1835), P. (A.) rotundatus (Brinck, 1948) (all from Agametrus); P. (A.) curtulus (Régimbart, 1899), P. (A.) darlingtoni (Guéorguiev, 1971), P. (A.) gaudichaudii (Laporte, 1835), and P. (A.) muelleri (Kirsch, 1865) (all from Leuronectes Sharp). Platynectes (Gueorguievtes) darlingtoni Guéorguiev, 1972, a junior homonym of P. (A.) darlingtoni (Guéorguiev, 1971), is replaced with its junior subjective synonym P. multimaculatus Watts, 1978.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Se describe Platynectes (Agametrus) zoque sp. nov. del estado de Oaxaca, México. Esta especie es externamente similar al único Platynectes centroamericano, P. nitens (Sharp) de Panamá y Costa Rica, pero puede diferenciarse por la forma del edeago. La distancia genética del fragmento del gen cox1 entre ambas especies es 6.8%. El descubrimiento de Platynectes en México extiende la distribución conocida del género en América en aproximadamente 1,300 km al noroeste. Trece especies del subgénero Agametrus Sharp se conocen actualmente, distribuidas en las cordilleras desde Chile hasta México. Se proporciona la lista de todas las especies, incluyendo 10 nuevas combinaciones resultantes del análisis filogenético de Toussaint et al. (2017): Platynectes (Agametrus) boliviensis (Régimbart, 1899), P. nitens (Sharp, 1887), P. (A.) peruvianus (Laporte, 1835), P. (A.) rotundatus (Brinck, 1948) (todas de Agametrus); P. (A.) curtulus (Régimbart, 1899), P. (A.) darlingtoni (Guéorguiev, 1971), P. (A.) gaudichaudii (Laporte, 1835), y P. (A.) muelleri (Kirsch, 1865) (todas de Leuronectes Sharp). Platynectes (Gueorguievtes) darlingtoni Guéorguiev, 1972, un homónimo junior de P. (A.) darlingtoni (Guéorguiev, 1971), es remplazado por su sinónimo subjetivo junior P. multimaculatus Watts, 1978.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Adephaga]]></kwd>
<kwd lng="en"><![CDATA[Diving beetles]]></kwd>
<kwd lng="en"><![CDATA[Taxonomy]]></kwd>
<kwd lng="en"><![CDATA[New combinations]]></kwd>
<kwd lng="en"><![CDATA[Cytochrome oxidase I]]></kwd>
<kwd lng="en"><![CDATA[Barcoding]]></kwd>
<kwd lng="es"><![CDATA[Adephaga]]></kwd>
<kwd lng="es"><![CDATA[Escarabajos buceadores]]></kwd>
<kwd lng="es"><![CDATA[Taxonomía]]></kwd>
<kwd lng="es"><![CDATA[Nuevas combinaciones]]></kwd>
<kwd lng="es"><![CDATA[Citocromo oxidasa I]]></kwd>
<kwd lng="es"><![CDATA[Código de barras]]></kwd>
</kwd-group>
</article-meta>
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