<?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>0188-8897</journal-id>
<journal-title><![CDATA[Hidrobiológica]]></journal-title>
<abbrev-journal-title><![CDATA[Hidrobiológica]]></abbrev-journal-title>
<issn>0188-8897</issn>
<publisher>
<publisher-name><![CDATA[Universidad Autónoma Metropolitana, División de Ciencias Biológicas y de la Salud]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0188-88972016000300395</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Variación morfométrica de la pata mesotorácica de Rhagovelia gastrotricha (Hemiptera: Veliidae) en los Andes de Colombia]]></article-title>
<article-title xml:lang="en"><![CDATA[Morphometric variation in the mesothoracic leg of Rhagovelia gastrotricha (Hemiptera: Veliidae) in the Colombian Andes]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Padilla-Gil]]></surname>
<given-names><![CDATA[Dora Nancy]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[García-López]]></surname>
<given-names><![CDATA[Juan Pablo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de Nariño Departamento de Biología ]]></institution>
<addr-line><![CDATA[San Juan de Pasto Nariño]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad de Nariño Grupo de investigación de Entomología ]]></institution>
<addr-line><![CDATA[San Juan de Pasto Nariño]]></addr-line>
<country>Colombia</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>26</volume>
<numero>3</numero>
<fpage>395</fpage>
<lpage>401</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0188-88972016000300395&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0188-88972016000300395&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0188-88972016000300395&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Antecedentes. Los Gerromorpha presentan como zona adaptativa la película superficial del agua. Estos insectos exhiben asociaciones definidas entre el hábitat, su componente genético y algunos elementos estructurales. Los Vélidos del género Rhagovelia encontrados en ecosistemas acuáticos lóticos en microhábitats heterogéneos, evidencian diferencias en las patas medias, las cuales están implicadas en su hidrodinámica.  Objetivos. Comparar la variabilidad interpoblacional de la pata media en Rhagovelia gastrotricha.  Métodos. Este estudio analiza cuatro poblaciones de R. gastrotricha en el piedemonte Andino de la vertiente Pacífica de la Cordillera Occidental de los Andes en un rango altitudinal entre los 1000 a 1200 m s.n.m. entre las localidades de &#8220;Ricaurte&#8221; (Quebrada Palpis y Quebrada Amor) y Altaquer (Quebrada Ensillada y Río Ñambí), en el departamento de Nariño. Los muestreos se realizaron en noviembre de 2011. Se realizó un análisis de morfometría geométrica con descriptores elípticos de Fourier del contorno de los segmentos fémur, tibia y tarso en 40 individuos de cuatro poblaciones del suroeste de Nariño.  Resultados. Los insectos con patas medias que presentan mayor contorno en los segmentos fémur y tibia son los de los cuerpos de agua de las Quebradas Palpis y Amor; les preceden los de Río Ñambí. Los especímenes de La Ensillada presentaron menor contorno tanto del fémur como de la tibia. El análisis de varianza muestra diferencias significativas (p&lt;0,05) en el contorno de los tres segmentos de la pata media entre las poblaciones.  Conclusiones. Se argumentan las diferencias con relación a la topografía y algunos parámetros físico-químicos de los cuerpos de agua muestreados.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Background. The Gerromorpha are adapted on the water surface film. These insects exhibit strong associations between their genetic component, some structural elements of their body and the habitat. The genus Rhagovelia (Veliidae) is found in lotic aquatic ecosystems in heterogeneous microhabitats, where show differences in the middle legs, which are involved in the hydrodynamic of insect.  Goals. In order to compare the interpoblational variability of the middle leg of Rhagovelia gastrotricha.  Methods. This study analyzed four populations of R. gastrotricha in the sub-Andean foothills of the pacific slope in the west Andes at altitudinal ranges that go from 1000 to 1220 m.a.s.l., between the towns of &#8220;Ricaurte&#8221; (forest streams Quebrada Palpis and Quebrada Amor) and &#8220;Altaquer&#8221; (Quebrada Ensillada and River Ñambí), in the department of Nariño. Samples were collected in November 2011. We analyzed by means of geometric morphometrics (Fourier&#8217;s elliptic descriptors) the outline of femur, tibia and tarsus segments, of 40 individuals from four populations of southwestern Nariño.  Results. The insects with middle legs that present bigger contour of the femur and tibia were of the water bodies from Quebradas Palpis and Amor; next precedes River Ñambí. The Ensillada&#8217;s specimens presented minor contour so much of the femur as of the tibia. The variance analysis indicate significant differences (p&lt;0.05) in the outline of the middle leg between populations.  Conclusions. Differences are justified by relation with the topography and some physic-chemistry parameters of water bodies.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Insectos acuáticos]]></kwd>
<kwd lng="es"><![CDATA[morfometría]]></kwd>
<kwd lng="es"><![CDATA[neotrópico]]></kwd>
<kwd lng="es"><![CDATA[suroeste de Colombia]]></kwd>
<kwd lng="es"><![CDATA[topografía]]></kwd>
<kwd lng="en"><![CDATA[Aquatic insects]]></kwd>
<kwd lng="en"><![CDATA[morphometry]]></kwd>
<kwd lng="en"><![CDATA[neotropic]]></kwd>
<kwd lng="en"><![CDATA[south-west Colombia]]></kwd>
<kwd lng="en"><![CDATA[topography]]></kwd>
</kwd-group>
</article-meta>
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