<?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>1405-2768</journal-id>
<journal-title><![CDATA[Polibotánica]]></journal-title>
<abbrev-journal-title><![CDATA[Polibotánica]]></abbrev-journal-title>
<issn>1405-2768</issn>
<publisher>
<publisher-name><![CDATA[Instituto Politécnico Nacional, Escuela Nacional de Ciencias Biológicas]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1405-27682018000200159</article-id>
<article-id pub-id-type="doi">10.18387/polibotanica.46.9</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Report of a floral visitor of Cypripedium irapeanum (Orchidaceae) in Tepoztlan, Morelos, Mexico]]></article-title>
<article-title xml:lang="es"><![CDATA[Reporte de un visitante floral en Cypripedium irapeanum (Orchidaceae) en Tepoztlán, Morelos, México]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Lozano-Rodríguez]]></surname>
<given-names><![CDATA[M.A.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Alanís-Méndez]]></surname>
<given-names><![CDATA[J.L.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Enciso-Díaz]]></surname>
<given-names><![CDATA[O.J.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Veracruzana Facultad de Ciencias Biológicas y Agropecuarias campus Tuxpan]]></institution>
<addr-line><![CDATA[Tuxpan Veracruz]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2018</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2018</year>
</pub-date>
<numero>46</numero>
<fpage>159</fpage>
<lpage>167</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1405-27682018000200159&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1405-27682018000200159&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1405-27682018000200159&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract: The process and participating actors of pollination have fascinated many scholars since the time of Darwin. Nevertheless, for many species of orchids, the identity of the pollinator or the purpose of floral visits remains unknown. Cypripedium (Orchidaceae) is a genus of worldwide distribution that presents a broad range of colors and sizes. Three species are reported in Mexico: C. dickinsonianum, C. irapeanum and C. molle. However, there is very little information regarding the ecological interactions of these species. Firstly, a preliminary bibliographic review was conducted in order to compile information pertaining to the pollinators and floral visitors of the genus Cypripedium. Secondly, a population of C. irapeanum was monitored in a pine-oak forest at 1680 m.a.s.l. in the municipality of Tepoztlan, in Morelos, Mexico. The municipality of Tepoztlán in Morelos, Mexico, hosts a population of approximately 250 individuals of the species C. irapeanum. During a visit to this site in July 2015, two specimens of bees, belonging to the genus Lasioglossum subgenus Eickwortia, were found exiting from the apertures of the rear part of the C. irapeanum labellum. This event was photographed and one bee specimen was collected and identified to species, thus contributing to the first record of a floral visitor to this species of orchid. Lasioglossum nyctere is a floral visitor and possibly a pollinator of C. irapeanum. Future studies should confirm whether or not this bee is indeed a pollinator of the orchid.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen: El proceso de polinización y los actores que participan en ella ha fascinado a muchos estudiosos desde tiempos de Darwin. A pesar de esto, en la actualidad existen muchas especies de orquídeas de las cuales no se conoce quién es su polinizador o qué es lo que buscan en sus flores. Cypripedium (Orchidaceae), es un género que se encuentra ampliamente distribuido en nuestro planeta, con una amplia gama de colores y tamaños. Para el caso de México, se reportan tres especies: C. dickinsonianum, C. irapeanum y C. molle. Sin embargo, existe muy poca información sobre las interacciones ecológicas de estas especies. Primero, se realizó una revisión bibliográfica preliminar con el objetivo de compilar toda la información perteneciente a los visitantes florales y polinizadores del género Cypripedium. Segundo, se monitoreó una población de C. irapeanum en un bosque de pino-encino a 1680 m.s.n.m. en el municipio de Tepoztlán, Morelos. En ese sitio se encuentra una población de aproximadamente 250 ejemplares de la especie C. irapeanum. Durante la visita realizada en julio de 2015 se encontraron dos ejemplares de abejas pertenecientes al género Lasioglossum subgénero Eickwortia, saliendo de las aberturas de la parte trasera del labelo de C. irapeanum, pudiéndose capturar el momento en fotografía y colectar un ejemplar de las abejas que se encontraron. Hasta el momento se tiene identificada la especie de abeja encontrada, contribuyendo así al primer registro de un visitante floral para esta especie de orquídea, esperando confirmar en trabajos posteriores si es o no su polinizador.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Cypripedioideae]]></kwd>
<kwd lng="en"><![CDATA[Hymenoptera]]></kwd>
<kwd lng="en"><![CDATA[Lasioglossum]]></kwd>
<kwd lng="en"><![CDATA[Orchidaceae]]></kwd>
<kwd lng="en"><![CDATA[pollinator]]></kwd>
<kwd lng="es"><![CDATA[Cypripedioideae]]></kwd>
<kwd lng="es"><![CDATA[Eickwortia]]></kwd>
<kwd lng="es"><![CDATA[Himenóptero]]></kwd>
<kwd lng="es"><![CDATA[Lasioglossum]]></kwd>
<kwd lng="es"><![CDATA[polinizador]]></kwd>
</kwd-group>
</article-meta>
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