<?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>S1870-34532019000101224</article-id>
<article-id pub-id-type="doi">10.22201/ib.20078706e.2019.90.2856</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Water scavenger beetles in rotten cacti: a review of Agna with the description of a new species from Mexico (Coleoptera: Hydrophilidae: Sphaeridiinae)]]></article-title>
<article-title xml:lang="es"><![CDATA[Escarabajos hidrofílidos en cactus podridos: una revisión de Agna con la descripción de una especie nueva de México (Coleoptera: Hydrophilidae: Sphaeridiinae)]]></article-title>
</title-group>
<contrib-group>
<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[Cortés-Aguilar]]></surname>
<given-names><![CDATA[Jesús]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Fiká&#269;ek]]></surname>
<given-names><![CDATA[Martin]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Charles University Faculty of Science Department of Zoology]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Czech Republic</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,National Museum Department of Entomology ]]></institution>
<addr-line><![CDATA[Praha ]]></addr-line>
<country>Czech Republic</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Zapopan  ]]></institution>
<addr-line><![CDATA[Zapopan Jalisco]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2019</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2019</year>
</pub-date>
<volume>90</volume>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1870-34532019000101224&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1870-34532019000101224&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1870-34532019000101224&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract The terrestrial hydrophilid genus Agna Smetana (tribe Megasternini), specialized in rotten cacti, is redescribed and illustrated. Known species are diagnosed and a new one, A. zaragozai sp. nov., is described from central Mexico (Hidalgo, Puebla, and Oaxaca) and its molecular barcode is provided. Other species of Hydrophilidae known to have been collected in cacti are listed and commented. Dactylosternum cacti (LeConte) (Coelostomatini) is recorded for the first time from Mexico and Cryptopleurum impressum Sharp (Megasternini) is recorded for the first time from the Mexican states of Jalisco and San Luis Potosí.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Se revisa el género terrestre de Hydrophylidae Agna Smetana (tribu Megasternini), especializado en cactus podridos. El género es redescrito e ilustrado. Las especies conocidas son diagnosticadas y se describe una nueva, A. zaragozai sp. nov., de Hidalgo, Puebla y Oaxaca. Otras especies de Hydrophilidae con registros de colecta en cactus podridos son listadas y comentadas. Se registra Dactylosternum cacti (LeConte) (Coelostomatini) por primera vez para México y Cryptopleurum impressum Sharp (Megasternini) se registra por primera vez para los estados mexicanos de Jalisco y San Luis Potosí.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Saprophilous]]></kwd>
<kwd lng="en"><![CDATA[Neotropical]]></kwd>
<kwd lng="en"><![CDATA[Neartic]]></kwd>
<kwd lng="en"><![CDATA[Arid]]></kwd>
<kwd lng="en"><![CDATA[Semiarid]]></kwd>
<kwd lng="en"><![CDATA[Hydrophiloidea]]></kwd>
<kwd lng="en"><![CDATA[Barcode of life]]></kwd>
<kwd lng="es"><![CDATA[Saprófilo]]></kwd>
<kwd lng="es"><![CDATA[Neotropical]]></kwd>
<kwd lng="es"><![CDATA[Neártico]]></kwd>
<kwd lng="es"><![CDATA[Árida]]></kwd>
<kwd lng="es"><![CDATA[Semiárida]]></kwd>
<kwd lng="es"><![CDATA[Hydrophiloidea]]></kwd>
<kwd lng="es"><![CDATA[Código de barras de la vida]]></kwd>
</kwd-group>
</article-meta>
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