<?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>S1870-34532016000401336</article-id>
<article-id pub-id-type="doi">10.1016/j.rmb.2016.10.004</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Female reproductive cycle and clutch size of Aspidoscelis costata costata (Squamata: Teiidae) from Tonatico, Estado de México]]></article-title>
<article-title xml:lang="es"><![CDATA[Ciclo reproductor de las hembras y tamaño de nidada de Aspidoscelis costata costata (Squamata: Teiidae) en Tonatico, Estado de México]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[López-Moreno]]></surname>
<given-names><![CDATA[Ana E.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rheubert]]></surname>
<given-names><![CDATA[Justin L.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pérez-Almazán]]></surname>
<given-names><![CDATA[Carlos]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Granados-González]]></surname>
<given-names><![CDATA[Gisela]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Hernández-Hernández]]></surname>
<given-names><![CDATA[Laura E.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gribbins]]></surname>
<given-names><![CDATA[Kevin M.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Hernández-Gallegos]]></surname>
<given-names><![CDATA[Oswaldo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Autónoma del Estado de México Facultad de Ciencias Laboratorio de Herpetología]]></institution>
<addr-line><![CDATA[Toluca Estado de México]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,University of Findlay College of Sciences ]]></institution>
<addr-line><![CDATA[Findlay OH]]></addr-line>
<country>USA</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad Autónoma del Estado de México Facultad de Ciencias Laboratorio de Morfofisiología de la Reproducción]]></institution>
<addr-line><![CDATA[Toluca Estado de México]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,University of Indianapolis Department of Biology ]]></institution>
<addr-line><![CDATA[Indianapolis IN]]></addr-line>
<country>USA</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2016</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2016</year>
</pub-date>
<volume>87</volume>
<numero>4</numero>
<fpage>1336</fpage>
<lpage>1341</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1870-34532016000401336&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1870-34532016000401336&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1870-34532016000401336&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract: Female reproductive cycle and clutch size are important life history traits in lizards that can be influenced by biotic and/or abiotic factors. Here, the ovarian cycle and clutch size of a high-elevation population (1500-1600 m) of Aspidoscelis costata costata in Central Mexico are described. Females were collected monthly between 2005 and 2007, and their reproductive condition was evaluated based on appearance and size of ovarian follicles and presence/absence of oviductal eggs. The reproductive cycle was markedly seasonal with asynchrony in reproductive condition among females. Vitellogenic and gravid females were recorded from April (end of the dry season) through July (middle of the rainy season). Although this population inhabits a semi-humid warm climate, the timing of female reproduction in A. costata costata is similar to the cycle of temperate-zone species of Aspidoscelis. Females produced a single clutch annually with an average clutch size of 7.7 ± 0.44 eggs (median 8 eggs, range 4-14), which is the largest reported to date within the genus Aspidoscelis.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen: El ciclo reproductor de las hembras y el tamaño de nidada en lagartijas son características importantes de historia de vida que pueden ser influenciadas por factores bióticos y/o abióticos. En este trabajo se describen el ciclo ovárico y el tamaño de nidada de Aspidoscelis costata costata en una población de elevación alta (1,500-1,600 m) del centro de México. Las hembras se recolectaron mensualmente entre 2005 y 2007 y se evaluó su condición reproductora con base en la apariencia y tamaño de los folículos ováricos, y la presencia o ausencia de huevos oviductales. El ciclo reproductor fue marcadamente estacional con asincronía ovárica entre las hembras. Hembras vitelogénicas y grávidas se registraron desde abril (final de la estación de sequía) hasta julio (mediados de la estación de lluvias). No obstante que esta población habita en un clima cálido sub-húmedo, el ciclo reproductor en las hembras de A. costata costata es similar al ciclo de las especies de Aspidoscelis de zonas templadas. Las hembras producen una sola nidada anualmente con un tamaño de nidada promedio de 7.7 ± 0.44 huevos (mediana 8 huevos, intervalo 4-14), que es el más alto registrado dentro del género Aspidoscelis.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Endemic oviparous lizard]]></kwd>
<kwd lng="en"><![CDATA[Female life history traits]]></kwd>
<kwd lng="en"><![CDATA[Oviductal eggs]]></kwd>
<kwd lng="en"><![CDATA[Whiptail lizard]]></kwd>
<kwd lng="en"><![CDATA[High-elevation population]]></kwd>
<kwd lng="en"><![CDATA[High-reproductive output]]></kwd>
<kwd lng="es"><![CDATA[Lagartija ovípara endémica]]></kwd>
<kwd lng="es"><![CDATA[Características de historia de vida en hembras]]></kwd>
<kwd lng="es"><![CDATA[Huevos oviductales]]></kwd>
<kwd lng="es"><![CDATA[Lagartija cola de látigo]]></kwd>
<kwd lng="es"><![CDATA[Población de elevación alta]]></kwd>
<kwd lng="es"><![CDATA[Esfuerzo reproductor alto]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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